diff options
Diffstat (limited to 'trunk/channels/misdn/isdn_lib.c')
| -rw-r--r-- | trunk/channels/misdn/isdn_lib.c | 4582 |
1 files changed, 0 insertions, 4582 deletions
diff --git a/trunk/channels/misdn/isdn_lib.c b/trunk/channels/misdn/isdn_lib.c deleted file mode 100644 index 67ecb47fa..000000000 --- a/trunk/channels/misdn/isdn_lib.c +++ /dev/null @@ -1,4582 +0,0 @@ -/* - * Chan_Misdn -- Channel Driver for Asterisk - * - * Interface to mISDN - * - * Copyright (C) 2004, Christian Richter - * - * Christian Richter <crich@beronet.com> - * - * This program is free software, distributed under the terms of - * the GNU General Public License - */ - -/*! \file \brief - * Interface to mISDN - * \author Christian Richter <crich@beronet.com> - */ - - - -#include <syslog.h> -#include <mISDNuser/isdn_debug.h> - -#include "isdn_lib_intern.h" -#include "isdn_lib.h" - -void misdn_join_conf(struct misdn_bchannel *bc, int conf_id); -void misdn_split_conf(struct misdn_bchannel *bc, int conf_id); - -int queue_cleanup_bc(struct misdn_bchannel *bc) ; - -int misdn_lib_get_l2_up(struct misdn_stack *stack); - -struct misdn_stack* get_misdn_stack( void ); - -static int set_chan_in_stack(struct misdn_stack *stack, int channel); - -int release_cr(struct misdn_stack *stack, mISDNuser_head_t *hh); - -int misdn_lib_port_is_pri(int port) -{ - struct misdn_stack *stack=get_misdn_stack(); - for ( ; stack; stack=stack->next) { - if (stack->port == port) { - return stack->pri; - } - } - - return -1; -} - -int misdn_lib_port_is_nt(int port) -{ - struct misdn_stack *stack=get_misdn_stack(); - for ( ; stack; stack=stack->next) { - if (stack->port == port) { - return stack->nt; - } - } - - return -1; -} - -void misdn_make_dummy(struct misdn_bchannel *dummybc, int port, int l3id, int nt, int channel) -{ - memset (dummybc,0,sizeof(struct misdn_bchannel)); - dummybc->port=port; - if (l3id==0) - dummybc->l3_id = MISDN_ID_DUMMY; - else - dummybc->l3_id=l3id; - - dummybc->nt=nt; - dummybc->dummy=1; - dummybc->channel=channel; -} - -int misdn_lib_port_block(int port) -{ - struct misdn_stack *stack=get_misdn_stack(); - for ( ; stack; stack=stack->next) { - if (stack->port == port) { - stack->blocked=1; - return 0; - } - } - return -1; - -} - -int misdn_lib_port_unblock(int port) -{ - struct misdn_stack *stack=get_misdn_stack(); - for ( ; stack; stack=stack->next) { - if (stack->port == port) { - stack->blocked=0; - return 0; - } - } - return -1; - -} - -int misdn_lib_is_port_blocked(int port) -{ - struct misdn_stack *stack=get_misdn_stack(); - for ( ; stack; stack=stack->next) { - if (stack->port == port) { - return stack->blocked; - } - } - return -1; -} - -int misdn_lib_is_ptp(int port) -{ - struct misdn_stack *stack=get_misdn_stack(); - for ( ; stack; stack=stack->next) { - if (stack->port == port) return stack->ptp; - } - return -1; -} - -int misdn_lib_get_maxchans(int port) -{ - struct misdn_stack *stack=get_misdn_stack(); - for ( ; stack; stack=stack->next) { - if (stack->port == port) { - if (stack->pri) - return 30; - else - return 2; - } - } - return -1; -} - - -struct misdn_stack* get_stack_by_bc(struct misdn_bchannel *bc) -{ - struct misdn_stack *stack=get_misdn_stack(); - - if (!bc) return NULL; - - for ( ; stack; stack=stack->next) { - int i; - for (i=0; i <=stack->b_num; i++) { - if ( bc->port == stack->port) return stack; - } - } - - return NULL; -} - - -void get_show_stack_details(int port, char *buf) -{ - struct misdn_stack *stack=get_misdn_stack(); - - for ( ; stack; stack=stack->next) { - if (stack->port == port) break; - } - - if (stack) { - sprintf(buf, "* Port %d Type %s Prot. %s L2Link %s L1Link:%s Blocked:%d", stack->port, stack->nt?"NT":"TE", stack->ptp?"PTP":"PMP", stack->l2link?"UP":"DOWN", stack->l1link?"UP":"DOWN",stack->blocked); - - } else { - buf[0]=0; - } - -} - - -static int nt_err_cnt =0 ; - -enum global_states { - MISDN_INITIALIZING, - MISDN_INITIALIZED -} ; - -static enum global_states global_state=MISDN_INITIALIZING; - - -#include <mISDNuser/net_l2.h> -#include <mISDNuser/tone.h> -#include <unistd.h> -#include <semaphore.h> -#include <pthread.h> -#include <signal.h> - -#include "isdn_lib.h" - - -struct misdn_lib { - int midev; - int midev_nt; - - pthread_t event_thread; - pthread_t event_handler_thread; - - void *user_data; - - msg_queue_t upqueue; - msg_queue_t activatequeue; - - sem_t new_msg; - - struct misdn_stack *stack_list; -} ; - -#ifndef ECHOCAN_ON -#define ECHOCAN_ON 123 -#define ECHOCAN_OFF 124 -#endif - -#define MISDN_DEBUG 0 - -void misdn_tx_jitter(struct misdn_bchannel *bc, int len); - -struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id); - -struct misdn_bchannel *find_bc_by_confid(unsigned long confid); - -struct misdn_bchannel *stack_holder_find_bychan(struct misdn_stack *stack, int chan); - -int setup_bc(struct misdn_bchannel *bc); - -int manager_isdn_handler(iframe_t *frm ,msg_t *msg); - -int misdn_lib_port_restart(int port); -int misdn_lib_pid_restart(int pid); - -extern struct isdn_msg msgs_g[]; - -#define ISDN_PID_L3_B_USER 0x430000ff -#define ISDN_PID_L4_B_USER 0x440000ff - -/* #define MISDN_IBUF_SIZE 1024 */ -#define MISDN_IBUF_SIZE 512 - -/* Fine Tuning of Inband Signalling time */ -#define TONE_ALERT_CNT 41 /* 1 Sec */ -#define TONE_ALERT_SILENCE_CNT 200 /* 4 Sec */ - -#define TONE_BUSY_CNT 20 /* ? */ -#define TONE_BUSY_SILENCE_CNT 48 /* ? */ - -static int entity; - -static struct misdn_lib *glob_mgr; - -char tone_425_flip[TONE_425_SIZE]; -char tone_silence_flip[TONE_SILENCE_SIZE]; - -static void misdn_lib_isdn_event_catcher(void *arg); -static int handle_event_nt(void *dat, void *arg); - - -void stack_holder_add(struct misdn_stack *stack, struct misdn_bchannel *holder); -void stack_holder_remove(struct misdn_stack *stack, struct misdn_bchannel *holder); -struct misdn_bchannel *stack_holder_find(struct misdn_stack *stack, unsigned long l3id); - -/* from isdn_lib.h */ -int init_bc(struct misdn_stack * stack, struct misdn_bchannel *bc, int midev, int port, int bidx, char *msn, int firsttime); -struct misdn_stack* stack_init(int midev, int port, int ptp); -void stack_destroy(struct misdn_stack* stack); - /* user iface */ -int te_lib_init( void ) ; /* returns midev */ -void te_lib_destroy(int midev) ; -struct misdn_bchannel *manager_find_bc_by_pid(int pid); -struct misdn_bchannel *manager_find_bc_holded(struct misdn_bchannel* bc); -void manager_ph_control_block(struct misdn_bchannel *bc, int c1, void *c2, int c2_len); -void manager_clean_bc(struct misdn_bchannel *bc ); -void manager_bchannel_setup (struct misdn_bchannel *bc); -void manager_bchannel_cleanup (struct misdn_bchannel *bc); - -void ec_chunk( struct misdn_bchannel *bc, unsigned char *rxchunk, unsigned char *txchunk, int chunk_size); - /* end */ -int bchdev_echocancel_activate(struct misdn_bchannel* dev); -void bchdev_echocancel_deactivate(struct misdn_bchannel* dev); -/* end */ - - -static char *bearer2str(int cap) { - static char *bearers[]={ - "Speech", - "Audio 3.1k", - "Unres Digital", - "Res Digital", - "Unknown Bearer" - }; - - switch (cap) { - case INFO_CAPABILITY_SPEECH: - return bearers[0]; - break; - case INFO_CAPABILITY_AUDIO_3_1K: - return bearers[1]; - break; - case INFO_CAPABILITY_DIGITAL_UNRESTRICTED: - return bearers[2]; - break; - case INFO_CAPABILITY_DIGITAL_RESTRICTED: - return bearers[3]; - break; - default: - return bearers[4]; - break; - } -} - - -static char flip_table[256]; - -static void init_flip_bits(void) -{ - int i,k; - - for (i = 0 ; i < 256 ; i++) { - unsigned char sample = 0 ; - for (k = 0; k<8; k++) { - if ( i & 1 << k ) sample |= 0x80 >> k; - } - flip_table[i] = sample; - } -} - -static char * flip_buf_bits ( char * buf , int len) -{ - int i; - char * start = buf; - - for (i = 0 ; i < len; i++) { - buf[i] = flip_table[(unsigned char)buf[i]]; - } - - return start; -} - - - - -static msg_t *create_l2msg(int prim, int dinfo, int size) /* NT only */ -{ - int i = 0; - msg_t *dmsg; - - while(i < 10) - { - dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL); - if (dmsg) - return(dmsg); - - if (!i) - printf("cannot allocate memory, trying again...\n"); - i++; - usleep(300000); - } - printf("cannot allocate memory, system overloaded.\n"); - exit(-1); -} - - - -msg_t *create_l3msg(int prim, int mt, int dinfo, int size, int ntmode) -{ - int i = 0; - msg_t *dmsg; - Q931_info_t *qi; - iframe_t *frm; - - if (!ntmode) - size = sizeof(Q931_info_t)+2; - - while(i < 10) { - if (ntmode) { - dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL); - if (dmsg) { - return(dmsg); - } - } else { - dmsg = alloc_msg(size+256+mISDN_HEADER_LEN+DEFAULT_HEADROOM); - if (dmsg) - { - memset(msg_put(dmsg,size+mISDN_HEADER_LEN), 0, size+mISDN_HEADER_LEN); - frm = (iframe_t *)dmsg->data; - frm->prim = prim; - frm->dinfo = dinfo; - qi = (Q931_info_t *)(dmsg->data + mISDN_HEADER_LEN); - qi->type = mt; - return(dmsg); - } - } - - if (!i) printf("cannot allocate memory, trying again...\n"); - i++; - usleep(300000); - } - printf("cannot allocate memory, system overloaded.\n"); - exit(-1); -} - - -static int send_msg (int midev, struct misdn_bchannel *bc, msg_t *dmsg) -{ - iframe_t *frm = (iframe_t *)dmsg->data; - struct misdn_stack *stack=get_stack_by_bc(bc); - - if (!stack) { - cb_log(0,bc->port,"send_msg: IEK!! no stack\n "); - return -1; - } - - frm->addr = (stack->upper_id | FLG_MSG_DOWN); - frm->dinfo = bc->l3_id; - frm->len = (dmsg->len) - mISDN_HEADER_LEN; - - cb_log(4,stack->port,"Sending msg, prim:%x addr:%x dinfo:%x\n",frm->prim,frm->addr,frm->dinfo); - - mISDN_write(midev, dmsg->data, dmsg->len, TIMEOUT_1SEC); - free_msg(dmsg); - - return 0; -} - - -static int mypid=1; - - -int misdn_cap_is_speech(int cap) -/** Poor mans version **/ -{ - if ( (cap != INFO_CAPABILITY_DIGITAL_UNRESTRICTED) && - (cap != INFO_CAPABILITY_DIGITAL_RESTRICTED) ) return 1; - return 0; -} - -int misdn_inband_avail(struct misdn_bchannel *bc) -{ - - /*if ! early_bconnect we have never inband available*/ - if ( ! bc->early_bconnect ) return 0; - - switch (bc->progress_indicator) { - case INFO_PI_INBAND_AVAILABLE: - case INFO_PI_CALL_NOT_E2E_ISDN: - case INFO_PI_CALLED_NOT_ISDN: - return 1; - default: - return 0; - } - return 0; -} - - -static void dump_chan_list(struct misdn_stack *stack) -{ - int i; - - for (i=0; i <= stack->b_num; i++) { - cb_log(6, stack->port, "Idx:%d stack->cchan:%d in_use:%d Chan:%d\n",i,stack->channels[i], stack->bc[i].in_use, i+1); - } -} - - -void misdn_dump_chanlist() -{ - struct misdn_stack *stack=get_misdn_stack(); - for ( ; stack; stack=stack->next) { - dump_chan_list(stack); - } - -} - -int set_chan_in_stack(struct misdn_stack *stack, int channel) -{ - - cb_log(4,stack->port,"set_chan_in_stack: %d\n",channel); - dump_chan_list(stack); - if (channel >=1 && channel <= MAX_BCHANS) { - if (!stack->channels[channel-1]) - stack->channels[channel-1] = 1; - else { - cb_log(4,stack->port,"channel already in use:%d\n", channel ); - return -1; - } - } else { - cb_log(0,stack->port,"couldn't set channel %d in\n", channel ); - return -1; - } - - return 0; -} - - - -static int find_free_chan_in_stack(struct misdn_stack *stack, struct misdn_bchannel *bc, int channel, int dec) -{ - int i; - int chan=0; - int bnums = stack->pri ? stack->b_num : stack->b_num - 1; - - if (bc->channel_found) - return 0; - - bc->channel_found=1; - - cb_log(5,stack->port,"find_free_chan: req_chan:%d\n",channel); - - if (channel < 0 || channel > MAX_BCHANS) { - cb_log(0, stack->port, " !! out of bound call to find_free_chan_in_stack! (ch:%d)\n", channel); - return 0; - } - - channel--; - - if (dec) { - for (i = bnums; i >=0; i--) { - if (i != 15 && (channel < 0 || i == channel)) { /* skip E1 Dchannel ;) and work with chan preselection */ - if (!stack->channels[i]) { - cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1); - chan=i+1; - break; - } - } - } - } else { - for (i = 0; i <= bnums; i++) { - if (i != 15 && (channel < 0 || i == channel)) { /* skip E1 Dchannel ;) and work with chan preselection */ - if (!stack->channels[i]) { - cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1); - chan=i+1; - break; - } - } - } - } - - if (!chan) { - cb_log (1, stack->port, " !! NO FREE CHAN IN STACK\n"); - dump_chan_list(stack); - bc->out_cause=34; - return -1; - } - - if (set_chan_in_stack(stack, chan)<0) { - cb_log (0, stack->port, "Channel Already in use:%d\n", chan); - bc->out_cause=44; - return -1; - } - - bc->channel=chan; - return 0; -} - -static int empty_chan_in_stack(struct misdn_stack *stack, int channel) -{ - if (channel<=0 || channel>MAX_BCHANS) { - cb_log(0,stack?stack->port:0, "empty_chan_in_stack: cannot empty channel %d\n",channel); - return -1; - } - - cb_log (4, stack?stack->port:0, "empty_chan_in_stack: %d\n",channel); - stack->channels[channel-1] = 0; - dump_chan_list(stack); - return 0; -} - -char *bc_state2str(enum bchannel_state state) { - int i; - - struct bchan_state_s { - char *n; - enum bchannel_state s; - } states[] = { - {"BCHAN_CLEANED", BCHAN_CLEANED }, - {"BCHAN_EMPTY", BCHAN_EMPTY}, - {"BCHAN_SETUP", BCHAN_SETUP}, - {"BCHAN_SETUPED", BCHAN_SETUPED}, - {"BCHAN_ACTIVE", BCHAN_ACTIVE}, - {"BCHAN_ACTIVATED", BCHAN_ACTIVATED}, - {"BCHAN_BRIDGE", BCHAN_BRIDGE}, - {"BCHAN_BRIDGED", BCHAN_BRIDGED}, - {"BCHAN_RELEASE", BCHAN_RELEASE}, - {"BCHAN_RELEASED", BCHAN_RELEASED}, - {"BCHAN_CLEAN", BCHAN_CLEAN}, - {"BCHAN_CLEAN_REQUEST", BCHAN_CLEAN_REQUEST}, - {"BCHAN_ERROR", BCHAN_ERROR} - }; - - for (i=0; i< sizeof(states)/sizeof(struct bchan_state_s); i++) - if ( states[i].s == state) - return states[i].n; - - return "UNKNOWN"; -} - -void bc_state_change(struct misdn_bchannel *bc, enum bchannel_state state) -{ - cb_log(5,bc->port,"BC_STATE_CHANGE: l3id:%x from:%s to:%s\n", - bc->l3_id, - bc_state2str(bc->bc_state), - bc_state2str(state) ); - - switch (state) { - case BCHAN_ACTIVATED: - if (bc->next_bc_state == BCHAN_BRIDGED) { - misdn_join_conf(bc, bc->conf_id); - bc->next_bc_state = BCHAN_EMPTY; - return; - } - default: - bc->bc_state=state; - break; - } -} - -static void bc_next_state_change(struct misdn_bchannel *bc, enum bchannel_state state) -{ - cb_log(5,bc->port,"BC_NEXT_STATE_CHANGE: from:%s to:%s\n", - bc_state2str(bc->next_bc_state), - bc_state2str(state) ); - - bc->next_bc_state=state; -} - - -static void empty_bc(struct misdn_bchannel *bc) -{ - bc->dummy=0; - - bc->bframe_len=0; - - bc->cw= 0; - - bc->dec=0; - bc->channel = 0; - - bc->sending_complete = 0; - - bc->restart_channel=0; - - bc->conf_id = 0; - - bc->need_more_infos = 0; - - bc->send_dtmf=0; - bc->nodsp=0; - bc->nojitter=0; - - bc->time_usec=0; - - bc->rxgain=0; - bc->txgain=0; - - bc->crypt=0; - bc->curptx=0; bc->curprx=0; - - bc->crypt_key[0] = 0; - - bc->generate_tone=0; - bc->tone_cnt=0; - - bc->dnumplan=NUMPLAN_UNKNOWN; - bc->onumplan=NUMPLAN_UNKNOWN; - bc->rnumplan=NUMPLAN_UNKNOWN; - bc->cpnnumplan=NUMPLAN_UNKNOWN; - - - bc->active = 0; - - bc->early_bconnect = 1; - -#ifdef MISDN_1_2 - *bc->pipeline = 0; -#else - bc->ec_enable = 0; - bc->ec_deftaps = 128; -#endif - - bc->AOCD_need_export = 0; - - bc->orig=0; - - bc->cause=16; - bc->out_cause=16; - bc->pres=0 ; /* screened */ - - bc->evq=EVENT_NOTHING; - - bc->progress_coding=0; - bc->progress_location=0; - bc->progress_indicator=0; - -/** Set Default Bearer Caps **/ - bc->capability=INFO_CAPABILITY_SPEECH; - bc->law=INFO_CODEC_ALAW; - bc->mode=0; - bc->rate=0x10; - bc->user1=0; - bc->urate=0; - - bc->hdlc=0; - - - bc->info_dad[0] = 0; - bc->display[0] = 0; - bc->infos_pending[0] = 0; - bc->cad[0] = 0; - bc->oad[0] = 0; - bc->dad[0] = 0; - bc->rad[0] = 0; - bc->orig_dad[0] = 0; - bc->uu[0]=0; - bc->uulen=0; - - bc->fac_in.Function = Fac_None; - bc->fac_out.Function = Fac_None; - - bc->te_choose_channel = 0; - bc->channel_found= 0; -} - - -static int clean_up_bc(struct misdn_bchannel *bc) -{ - int ret=0; - unsigned char buff[32]; - struct misdn_stack * stack; - - cb_log(3, bc?bc->port:0, "$$$ CLEANUP CALLED pid:%d\n", bc?bc->pid:-1); - - if (!bc ) return -1; - stack=get_stack_by_bc(bc); - - if (!stack) return -1; - - switch (bc->bc_state ) { - case BCHAN_CLEANED: - cb_log(5, stack->port, "$$$ Already cleaned up bc with stid :%x\n", bc->b_stid); - return -1; - - default: - break; - } - - cb_log(2, stack->port, "$$$ Cleaning up bc with stid :%x pid:%d\n", bc->b_stid, bc->pid); - - manager_ec_disable(bc); - - manager_bchannel_deactivate(bc); - - mISDN_write_frame(stack->midev, buff, bc->layer_id|FLG_MSG_TARGET|FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); - - bc->b_stid = 0; - bc_state_change(bc, BCHAN_CLEANED); - - return ret; -} - - - -static void clear_l3(struct misdn_stack *stack) -{ - int i; - - for (i=0; i<=stack->b_num; i++) { - if (global_state == MISDN_INITIALIZED) { - cb_event(EVENT_CLEANUP, &stack->bc[i], NULL); - empty_chan_in_stack(stack,i+1); - empty_bc(&stack->bc[i]); - clean_up_bc(&stack->bc[i]); - stack->bc[i].in_use = 0; - } - - } -} - -static int newteid=0; - -#define MAXPROCS 0x100 - -static int misdn_lib_get_l1_down(struct misdn_stack *stack) -{ - /* Pull Up L1 */ - iframe_t act; - act.prim = PH_DEACTIVATE | REQUEST; - act.addr = stack->lower_id|FLG_MSG_DOWN; - act.dinfo = 0; - act.len = 0; - - cb_log(1, stack->port, "SENDING PH_DEACTIVATE | REQ\n"); - return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); -} - - -static int misdn_lib_get_l2_down(struct misdn_stack *stack) -{ - - if (stack->ptp && (stack->nt) ) { - msg_t *dmsg; - /* L2 */ - dmsg = create_l2msg(DL_RELEASE| REQUEST, 0, 0); - - if (stack->nst.manager_l3(&stack->nst, dmsg)) - free_msg(dmsg); - - } else { - iframe_t act; - - act.prim = DL_RELEASE| REQUEST; - act.addr = (stack->upper_id |FLG_MSG_DOWN) ; - - act.dinfo = 0; - act.len = 0; - return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); - } - - return 0; -} - - -static int misdn_lib_get_l1_up(struct misdn_stack *stack) -{ - /* Pull Up L1 */ - iframe_t act; - act.prim = PH_ACTIVATE | REQUEST; - act.addr = (stack->upper_id | FLG_MSG_DOWN) ; - - - act.dinfo = 0; - act.len = 0; - - return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); - -} - -int misdn_lib_get_l2_up(struct misdn_stack *stack) -{ - - if (stack->ptp && (stack->nt) ) { - msg_t *dmsg; - /* L2 */ - dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0); - - if (stack->nst.manager_l3(&stack->nst, dmsg)) - free_msg(dmsg); - - } else { - iframe_t act; - - act.prim = DL_ESTABLISH | REQUEST; - act.addr = (stack->upper_id |FLG_MSG_DOWN) ; - - act.dinfo = 0; - act.len = 0; - return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); - } - - return 0; -} - -#if 0 -static int misdn_lib_get_l2_te_ptp_up(struct misdn_stack *stack) -{ - iframe_t act; - - act.prim = DL_ESTABLISH | REQUEST; - act.addr = (stack->upper_id & ~LAYER_ID_MASK) | 3 | FLG_MSG_DOWN; - - act.dinfo = 0; - act.len = 0; - return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); - return 0; -} -#endif - -static int misdn_lib_get_short_status(struct misdn_stack *stack) -{ - iframe_t act; - - - act.prim = MGR_SHORTSTATUS | REQUEST; - - act.addr = (stack->upper_id | MSG_BROADCAST) ; - - act.dinfo = SSTATUS_BROADCAST_BIT | SSTATUS_ALL; - - act.len = 0; - return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); -} - - - -static int create_process (int midev, struct misdn_bchannel *bc) { - iframe_t ncr; - int l3_id; - int i; - struct misdn_stack *stack=get_stack_by_bc(bc); - - if (stack->nt) { - if (find_free_chan_in_stack(stack, bc, bc->channel_preselected?bc->channel:0, 0)<0) return -1; - cb_log(4,stack->port, " --> found channel: %d\n",bc->channel); - - for (i=0; i <= MAXPROCS; i++) - if (stack->procids[i]==0) break; - - if (i== MAXPROCS) { - cb_log(0, stack->port, "Couldnt Create New ProcId.\n"); - return -1; - } - stack->procids[i]=1; - - l3_id = 0xff00 | i; - - ncr.prim = CC_NEW_CR | REQUEST; - - ncr.addr = (stack->upper_id | FLG_MSG_DOWN) ; - - ncr.dinfo = l3_id; - ncr.len = 0; - - bc->l3_id = l3_id; - cb_log(3, stack->port, " --> new_l3id %x\n",l3_id); - - } else { - if (stack->ptp || bc->te_choose_channel) { - /* we know exactly which channels are in use */ - if (find_free_chan_in_stack(stack, bc, bc->channel_preselected?bc->channel:0, bc->dec)<0) return -1; - cb_log(2,stack->port, " --> found channel: %d\n",bc->channel); - } else { - /* other phones could have made a call also on this port (ptmp) */ - bc->channel=0xff; - } - - - /* if we are in te-mode, we need to create a process first */ - if (newteid++ > 0xffff) - newteid = 0x0001; - - l3_id = (entity<<16) | newteid; - /* preparing message */ - ncr.prim = CC_NEW_CR | REQUEST; - - ncr.addr = (stack->upper_id | FLG_MSG_DOWN) ; - - ncr.dinfo =l3_id; - ncr.len = 0; - /* send message */ - - bc->l3_id = l3_id; - cb_log(3, stack->port, "--> new_l3id %x\n",l3_id); - - mISDN_write(midev, &ncr, mISDN_HEADER_LEN+ncr.len, TIMEOUT_1SEC); - } - - return l3_id; -} - - -void misdn_lib_setup_bc(struct misdn_bchannel *bc) -{ - clean_up_bc(bc); - setup_bc(bc); -} - - -int setup_bc(struct misdn_bchannel *bc) -{ - unsigned char buff[1025]; - int midev, channel, b_stid, i; - mISDN_pid_t pid; - int ret; - - struct misdn_stack *stack=get_stack_by_bc(bc); - - if (!stack) { - cb_log(0, bc->port, "setup_bc: NO STACK FOUND!!\n"); - return -1; - } - - midev = stack->midev; - channel = bc->channel - 1 - (bc->channel > 16); - b_stid = stack->b_stids[channel >= 0 ? channel : 0]; - - switch (bc->bc_state) { - case BCHAN_CLEANED: - break; - default: - cb_log(4, stack->port, "$$$ bc already upsetted stid :%x (state:%s)\n", b_stid, bc_state2str(bc->bc_state) ); - return -1; - } - - cb_log(5, stack->port, "$$$ Setting up bc with stid :%x\n", b_stid); - - /*check if the b_stid is alread initialized*/ - for (i=0; i <= stack->b_num; i++) { - if (stack->bc[i].b_stid == b_stid) { - cb_log(0, bc->port, "setup_bc: b_stid:%x already in use !!!\n", b_stid); - return -1; - } - } - - if (b_stid <= 0) { - cb_log(0, stack->port," -- Stid <=0 at the moment in channel:%d\n",channel); - - bc_state_change(bc,BCHAN_ERROR); - return 1; - } - - bc->b_stid = b_stid; - - { - layer_info_t li; - memset(&li, 0, sizeof(li)); - - li.object_id = -1; - li.extentions = 0; - - li.st = bc->b_stid; /* given idx */ - - -#define MISDN_DSP -#ifndef MISDN_DSP - bc->nodsp=1; -#endif - if ( bc->hdlc || bc->nodsp) { - cb_log(4, stack->port,"setup_bc: without dsp\n"); - { - int l = sizeof(li.name); - strncpy(li.name, "B L3", l); - li.name[l-1] = 0; - } - li.pid.layermask = ISDN_LAYER((3)); - li.pid.protocol[3] = ISDN_PID_L3_B_USER; - - bc->layer=3; - } else { - cb_log(4, stack->port,"setup_bc: with dsp\n"); - { - int l = sizeof(li.name); - strncpy(li.name, "B L4", l); - li.name[l-1] = 0; - } - li.pid.layermask = ISDN_LAYER((4)); - li.pid.protocol[4] = ISDN_PID_L4_B_USER -; - bc->layer=4; - - } - - ret = mISDN_new_layer(midev, &li); - if (ret ) { - cb_log(0, stack->port,"New Layer Err: %d %s\n",ret,strerror(errno)); - - bc_state_change(bc,BCHAN_ERROR); - return(-EINVAL); - } - - bc->layer_id = li.id; - } - - memset(&pid, 0, sizeof(pid)); - - - - cb_log(4, stack->port," --> Channel is %d\n", bc->channel); - - if (bc->nodsp) { - cb_log(2, stack->port," --> TRANSPARENT Mode (no DSP, no HDLC)\n"); - pid.protocol[1] = ISDN_PID_L1_B_64TRANS; - pid.protocol[2] = ISDN_PID_L2_B_TRANS; - pid.protocol[3] = ISDN_PID_L3_B_USER; - pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)); - - } else if ( bc->hdlc ) { - cb_log(2, stack->port," --> HDLC Mode\n"); - pid.protocol[1] = ISDN_PID_L1_B_64HDLC ; - pid.protocol[2] = ISDN_PID_L2_B_TRANS ; - pid.protocol[3] = ISDN_PID_L3_B_USER; - pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) ; - } else { - cb_log(2, stack->port," --> TRANSPARENT Mode\n"); - pid.protocol[1] = ISDN_PID_L1_B_64TRANS; - pid.protocol[2] = ISDN_PID_L2_B_TRANS; - pid.protocol[3] = ISDN_PID_L3_B_DSP; - pid.protocol[4] = ISDN_PID_L4_B_USER; - pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) | ISDN_LAYER((4)); - - } - - ret = mISDN_set_stack(midev, bc->b_stid, &pid); - - if (ret){ - cb_log(0, stack->port,"$$$ Set Stack Err: %d %s\n",ret,strerror(errno)); - - mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); - - bc_state_change(bc,BCHAN_ERROR); - cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data); - return(-EINVAL); - } - - ret = mISDN_get_setstack_ind(midev, bc->layer_id); - - if (ret) { - cb_log(0, stack->port,"$$$ Set StackIND Err: %d %s\n",ret,strerror(errno)); - mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); - - bc_state_change(bc,BCHAN_ERROR); - cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data); - return(-EINVAL); - } - - ret = mISDN_get_layerid(midev, bc->b_stid, bc->layer) ; - - bc->addr = ret>0? ret : 0; - - if (!bc->addr) { - cb_log(0, stack->port,"$$$ Get Layerid Err: %d %s\n",ret,strerror(errno)); - mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); - - bc_state_change(bc,BCHAN_ERROR); - cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data); - return (-EINVAL); - } - - manager_bchannel_activate(bc); - - bc_state_change(bc,BCHAN_ACTIVATED); - - return 0; -} - - - -/** IFACE **/ -int init_bc(struct misdn_stack *stack, struct misdn_bchannel *bc, int midev, int port, int bidx, char *msn, int firsttime) -{ - unsigned char buff[1025] = ""; - iframe_t *frm = (iframe_t *)buff; - int ret; - - if (!bc) return -1; - - cb_log(8, port, "Init.BC %d.\n",bidx); - - memset(bc, 0,sizeof(struct misdn_bchannel)); - - bc->send_lock=malloc(sizeof(struct send_lock)); - - pthread_mutex_init(&bc->send_lock->lock, NULL); - - if (msn) { - int l = sizeof(bc->msn); - strncpy(bc->msn,msn, l); - bc->msn[l-1] = 0; - } - - - empty_bc(bc); - bc_state_change(bc, BCHAN_CLEANED); - - bc->port=stack->port; - bc->nt=stack->nt?1:0; - bc->pri=stack->pri; - - { - ibuffer_t* ibuf= init_ibuffer(MISDN_IBUF_SIZE); - - if (!ibuf) return -1; - - clear_ibuffer( ibuf); - - ibuf->rsem=malloc(sizeof(sem_t)); - - bc->astbuf=ibuf; - - if (sem_init(ibuf->rsem,1,0)<0) - sem_init(ibuf->rsem,0,0); - - } - - { - stack_info_t *stinf; - ret = mISDN_get_stack_info(midev, stack->port, buff, sizeof(buff)); - if (ret < 0) { - cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret); - return -1; - } - - stinf = (stack_info_t *)&frm->data.p; - - cb_log(8, port, " --> Child %x\n",stinf->child[bidx]); - } - - return 0; -} - - - -struct misdn_stack* stack_init( int midev, int port, int ptp ) -{ - int ret; - unsigned char buff[1025]; - iframe_t *frm = (iframe_t *)buff; - stack_info_t *stinf; - int i; - layer_info_t li; - - struct misdn_stack *stack = malloc(sizeof(struct misdn_stack)); - if (!stack ) return NULL; - - - cb_log(8, port, "Init. Stack.\n"); - - memset(stack,0,sizeof(struct misdn_stack)); - - for (i=0; i<MAX_BCHANS + 1; i++ ) stack->channels[i]=0; - - stack->port=port; - stack->midev=midev; - stack->ptp=ptp; - - stack->holding=NULL; - stack->pri=0; - - msg_queue_init(&stack->downqueue); - msg_queue_init(&stack->upqueue); - - /* query port's requirements */ - ret = mISDN_get_stack_info(midev, port, buff, sizeof(buff)); - if (ret < 0) { - cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret); - return(NULL); - } - - stinf = (stack_info_t *)&frm->data.p; - - stack->d_stid = stinf->id; - stack->b_num = stinf->childcnt; - - for (i=0; i<=stinf->childcnt; i++) - stack->b_stids[i] = stinf->child[i]; - - switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK) { - case ISDN_PID_L0_TE_S0: - stack->nt=0; - break; - case ISDN_PID_L0_NT_S0: - cb_log(8, port, "NT Stack\n"); - - stack->nt=1; - break; - case ISDN_PID_L0_TE_E1: - cb_log(8, port, "TE S2M Stack\n"); - stack->nt=0; - stack->pri=1; - break; - case ISDN_PID_L0_NT_E1: - cb_log(8, port, "TE S2M Stack\n"); - stack->nt=1; - stack->pri=1; - - break; - default: - cb_log(0, port, "this is a unknown port type 0x%08x\n", stinf->pid.protocol[0]); - - } - - if (!stack->nt) { - if (stinf->pid.protocol[2] & ISDN_PID_L2_DF_PTP ) { - stack->ptp = 1; - } else { - stack->ptp = 0; - } - } - - { - int ret; - int nt=stack->nt; - - cb_log(8, port, "Init. Stack.\n"); - - memset(&li, 0, sizeof(li)); - { - int l = sizeof(li.name); - strncpy(li.name,nt?"net l2":"user l4", l); - li.name[l-1] = 0; - } - li.object_id = -1; - li.extentions = 0; - li.pid.protocol[nt?2:4] = nt?ISDN_PID_L2_LAPD_NET:ISDN_PID_L4_CAPI20; - li.pid.layermask = ISDN_LAYER((nt?2:4)); - li.st = stack->d_stid; - - - ret = mISDN_new_layer(midev, &li); - if (ret) { - cb_log(0, port, "%s: Cannot add layer %d to this port.\n", __FUNCTION__, nt?2:4); - return(NULL); - } - - - stack->upper_id = li.id; - ret = mISDN_register_layer(midev, stack->d_stid, stack->upper_id); - if (ret) - { - cb_log(0,port,"Cannot register layer %d of this port.\n", nt?2:4); - return(NULL); - } - - stack->lower_id = mISDN_get_layerid(midev, stack->d_stid, nt?1:3); - if (stack->lower_id < 0) { - cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, nt?1:3); - return(NULL); - } - - stack->upper_id = mISDN_get_layerid(midev, stack->d_stid, nt?2:4); - if (stack->upper_id < 0) { - cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, 2); - return(NULL); - } - - cb_log(8, port, "NT Stacks upper_id %x\n",stack->upper_id); - - - /* create nst (nt-mode only) */ - if (nt) { - - memset(&stack->nst, 0, sizeof(net_stack_t)); - memset(&stack->mgr, 0, sizeof(manager_t)); - - stack->mgr.nst = &stack->nst; - stack->nst.manager = &stack->mgr; - - stack->nst.l3_manager = handle_event_nt; - stack->nst.device = midev; - stack->nst.cardnr = port; - stack->nst.d_stid = stack->d_stid; - - stack->nst.feature = FEATURE_NET_HOLD; - if (stack->ptp) - stack->nst.feature |= FEATURE_NET_PTP; - if (stack->pri) - stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID; - - stack->nst.l1_id = stack->lower_id; - stack->nst.l2_id = stack->upper_id; - - msg_queue_init(&stack->nst.down_queue); - - Isdnl2Init(&stack->nst); - Isdnl3Init(&stack->nst); - - } - - if (!stack->nt) { - /*assume L1 is up, we'll get DEACTIVATES soon, for non - * up L1s*/ - stack->l1link=0; - } - stack->l1link=0; - stack->l2link=0; -#if 0 - if (!stack->nt) { - misdn_lib_get_short_status(stack); - } else { - misdn_lib_get_l1_up(stack); - if (!stack->ptp) misdn_lib_get_l1_up(stack); - misdn_lib_get_l2_up(stack); - } -#endif - - misdn_lib_get_short_status(stack); - misdn_lib_get_l1_up(stack); - misdn_lib_get_l2_up(stack); - - } - - cb_log(8,0,"stack_init: port:%d lowerId:%x upperId:%x\n",stack->port,stack->lower_id, stack->upper_id); - - return stack; -} - - -void stack_destroy(struct misdn_stack* stack) -{ - char buf[1024]; - if (!stack) return; - - if (stack->nt) { - cleanup_Isdnl2(&stack->nst); - cleanup_Isdnl3(&stack->nst); - } - - if (stack->lower_id) - mISDN_write_frame(stack->midev, buf, stack->lower_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); - - if (stack->upper_id) - mISDN_write_frame(stack->midev, buf, stack->upper_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); -} - - -static struct misdn_stack * find_stack_by_addr(int addr) -{ - struct misdn_stack *stack; - - for (stack=glob_mgr->stack_list; - stack; - stack=stack->next) { - if ( (stack->upper_id&STACK_ID_MASK) == (addr&STACK_ID_MASK)) return stack; - - } - - return NULL; -} - - -static struct misdn_stack * find_stack_by_port(int port) -{ - struct misdn_stack *stack; - - for (stack=glob_mgr->stack_list; - stack; - stack=stack->next) - if (stack->port == port) return stack; - - return NULL; -} - -static struct misdn_stack * find_stack_by_mgr(manager_t* mgr_nt) -{ - struct misdn_stack *stack; - - for (stack=glob_mgr->stack_list; - stack; - stack=stack->next) - if ( &stack->mgr == mgr_nt) return stack; - - return NULL; -} - -static struct misdn_bchannel *find_bc_by_masked_l3id(struct misdn_stack *stack, unsigned long l3id, unsigned long mask) -{ - int i; - for (i=0; i<=stack->b_num; i++) { - if ( (stack->bc[i].l3_id & mask) == (l3id & mask)) return &stack->bc[i] ; - } - return stack_holder_find(stack,l3id); -} - - -struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id) -{ - int i; - for (i=0; i<=stack->b_num; i++) { - if (stack->bc[i].l3_id == l3id) return &stack->bc[i] ; - } - return stack_holder_find(stack,l3id); -} - -static struct misdn_bchannel *find_bc_holded(struct misdn_stack *stack) -{ - int i; - for (i=0; i<=stack->b_num; i++) { - if (stack->bc[i].holded ) return &stack->bc[i] ; - } - return NULL; -} - - -static struct misdn_bchannel *find_bc_by_addr(unsigned long addr) -{ - struct misdn_stack* stack; - int i; - - for (stack=glob_mgr->stack_list; - stack; - stack=stack->next) { - for (i=0; i<=stack->b_num; i++) { - if ( (stack->bc[i].addr&STACK_ID_MASK)==(addr&STACK_ID_MASK) || stack->bc[i].layer_id== addr ) { - return &stack->bc[i]; - } - } - } - - return NULL; -} - -struct misdn_bchannel *find_bc_by_confid(unsigned long confid) -{ - struct misdn_stack* stack; - int i; - - for (stack=glob_mgr->stack_list; - stack; - stack=stack->next) { - for (i=0; i<=stack->b_num; i++) { - if ( stack->bc[i].conf_id==confid ) { - return &stack->bc[i]; - } - } - } - return NULL; -} - - -static struct misdn_bchannel *find_bc_by_channel(int port, int channel) -{ - struct misdn_stack* stack=find_stack_by_port(port); - int i; - - if (!stack) return NULL; - - for (i=0; i<=stack->b_num; i++) { - if ( stack->bc[i].channel== channel ) { - return &stack->bc[i]; - } - } - - return NULL; -} - - - - - -static int handle_event ( struct misdn_bchannel *bc, enum event_e event, iframe_t *frm) -{ - struct misdn_stack *stack=get_stack_by_bc(bc); - - if (!stack->nt) { - - switch (event) { - - case EVENT_CONNECT_ACKNOWLEDGE: - setup_bc(bc); - - if ( *bc->crypt_key ) { - cb_log(4, stack->port, "ENABLING BLOWFISH channel:%d oad%d:%s dad%d:%s\n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad); - manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) ); - } - - if (misdn_cap_is_speech(bc->capability)) { - if ( !bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0); - manager_ec_enable(bc); - - if ( bc->txgain != 0 ) { - cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain); - manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain); - } - if ( bc->rxgain != 0 ) { - cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain); - manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain); - } - } - - break; - case EVENT_CONNECT: - - if ( *bc->crypt_key ) { - cb_log(4, stack->port, "ENABLING BLOWFISH channel:%d oad%d:%s dad%d:%s\n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad); - manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) ); - } - case EVENT_ALERTING: - case EVENT_PROGRESS: - case EVENT_PROCEEDING: - case EVENT_SETUP_ACKNOWLEDGE: - case EVENT_SETUP: - { - if (bc->channel == 0xff || bc->channel<=0) - bc->channel=0; - - if (find_free_chan_in_stack(stack, bc, bc->channel, 0)<0){ - if (!stack->pri && !stack->ptp) { - bc->cw=1; - break; - } - - cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n"); - misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE); - return -1; - } - } - - setup_bc(bc); - break; - - case EVENT_RELEASE_COMPLETE: - case EVENT_RELEASE: - break; - default: - break; - } - } else { /** NT MODE **/ - - } - return 0; -} - -static int handle_cr ( struct misdn_stack *stack, iframe_t *frm) -{ - struct misdn_bchannel *bc; - - if (!stack) return -1; - - switch (frm->prim) { - case CC_NEW_CR|INDICATION: - cb_log(7, stack->port, " --> lib: NEW_CR Ind with l3id:%x on this port.\n",frm->dinfo); - - bc = misdn_lib_get_free_bc(stack->port, 0, 1, 0); - if (!bc) { - cb_log(0, stack->port, " --> !! lib: No free channel!\n"); - return -1; - } - - cb_log(7, stack->port, " --> new_process: New L3Id: %x\n",frm->dinfo); - bc->l3_id=frm->dinfo; - return 1; - case CC_NEW_CR|CONFIRM: - return 1; - case CC_NEW_CR|REQUEST: - return 1; - case CC_RELEASE_CR|REQUEST: - return 1; - case CC_RELEASE_CR|CONFIRM: - break; - case CC_RELEASE_CR|INDICATION: - cb_log(4, stack->port, " --> lib: RELEASE_CR Ind with l3id:%x\n",frm->dinfo); - { - struct misdn_bchannel *bc=find_bc_by_l3id(stack, frm->dinfo); - struct misdn_bchannel dummybc; - - if (!bc) { - cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo); - misdn_make_dummy(&dummybc, stack->port, frm->dinfo, stack->nt, 0); - - bc=&dummybc; - } - - if (bc) { - int channel = bc->channel; - cb_log(4, stack->port, " --> lib: CLEANING UP l3id: %x\n",frm->dinfo); - - /*bc->pid = 0;*/ - bc->need_disconnect=0; - bc->need_release=0; - bc->need_release_complete=0; - - cb_event(EVENT_CLEANUP, bc, glob_mgr->user_data); - - empty_bc(bc); - clean_up_bc(bc); - - if (channel>0) - empty_chan_in_stack(stack,channel); - bc->in_use=0; - - dump_chan_list(stack); - - if (bc->stack_holder) { - cb_log(4,stack->port, "REMOVEING Holder\n"); - stack_holder_remove( stack, bc); - free(bc); - } - } - else { - if (stack->nt) - cb_log(4, stack->port, "BC with dinfo: %x not found.. (prim was %x and addr %x)\n",frm->dinfo, frm->prim, frm->addr); - } - - return 1; - } - break; - } - - return 0; -} - - -/*Emptys bc if it's reserved (no SETUP out yet)*/ -void misdn_lib_release(struct misdn_bchannel *bc) -{ - struct misdn_stack *stack=get_stack_by_bc(bc); - - if (!stack) { - cb_log(1,0,"misdn_release: No Stack found\n"); - return; - } - - if (bc->channel>0) - empty_chan_in_stack(stack,bc->channel); - - empty_bc(bc); - clean_up_bc(bc); - bc->in_use=0; -} - - - - -int misdn_lib_get_port_up (int port) -{ /* Pull Up L1 */ - struct misdn_stack *stack; - - for (stack=glob_mgr->stack_list; - stack; - stack=stack->next) { - - if (stack->port == port) { - - if (!stack->l1link) - misdn_lib_get_l1_up(stack); - if (!stack->l2link) - misdn_lib_get_l2_up(stack); - - return 0; - } - } - return 0; -} - - -int misdn_lib_get_port_down (int port) -{ /* Pull Down L1 */ - struct misdn_stack *stack; - for (stack=glob_mgr->stack_list; - stack; - stack=stack->next) { - if (stack->port == port) { - if (stack->l2link) - misdn_lib_get_l2_down(stack); - misdn_lib_get_l1_down(stack); - return 0; - } - } - return 0; -} - -int misdn_lib_port_up(int port, int check) -{ - struct misdn_stack *stack; - - - for (stack=glob_mgr->stack_list; - stack; - stack=stack->next) { - - if (stack->port == port) { - - if (stack->blocked) { - cb_log(0,port, "Port Blocked:%d L2:%d L1:%d\n", stack->blocked, stack->l2link, stack->l1link); - return -1; - } - - if (stack->ptp ) { - - if (stack->l1link && stack->l2link) { - return 1; - } else { - cb_log(1,port, "Port Down L2:%d L1:%d\n", - stack->l2link, stack->l1link); - return 0; - } - } else { - if ( !check || stack->l1link ) - return 1; - else { - cb_log(1,port, "Port down PMP\n"); - return 0; - } - } - } - } - - return -1; -} - - -int release_cr(struct misdn_stack *stack, mISDNuser_head_t *hh) -{ - struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo); - struct misdn_bchannel dummybc; - iframe_t frm; /* fake te frm to remove callref from global callreflist */ - frm.dinfo = hh->dinfo; - - frm.addr=stack->upper_id | FLG_MSG_DOWN; - - frm.prim = CC_RELEASE_CR|INDICATION; - cb_log(4, stack->port, " --> CC_RELEASE_CR: Faking Realease_cr for %x l3id:%x\n",frm.addr, frm.dinfo); - /** removing procid **/ - if (!bc) { - cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", hh->dinfo); - misdn_make_dummy(&dummybc, stack->port, hh->dinfo, stack->nt, 0); - bc=&dummybc; - } - - if (bc) { - if ( (bc->l3_id & 0xff00) == 0xff00) { - cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", bc->l3_id&0xff); - stack->procids[bc->l3_id&0xff] = 0 ; - } - } - else cb_log(0, stack->port, "Couldnt find BC so I couldnt remove the Process!!!! this is a bad port.\n"); - - if (handle_cr(stack, &frm)<0) { - } - - return 0 ; -} - -int -handle_event_nt(void *dat, void *arg) -{ - manager_t *mgr = (manager_t *)dat; - msg_t *msg = (msg_t *)arg; - mISDNuser_head_t *hh; - int reject=0; - - struct misdn_stack *stack=find_stack_by_mgr(mgr); - int port; - - if (!msg || !mgr) - return(-EINVAL); - - hh=(mISDNuser_head_t*)msg->data; - port=stack->port; - - cb_log(5, stack->port, " --> lib: prim %x dinfo %x\n",hh->prim, hh->dinfo); - { - switch(hh->prim){ - case CC_RETRIEVE|INDICATION: - { - struct misdn_bchannel *bc, *hold_bc; - - iframe_t frm; /* fake te frm to add callref to global callreflist */ - frm.dinfo = hh->dinfo; - - frm.addr=stack->upper_id | FLG_MSG_DOWN; - - frm.prim = CC_NEW_CR|INDICATION; - - if (handle_cr( stack, &frm)< 0) { - msg_t *dmsg; - cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo); - dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1); - stack->nst.manager_l3(&stack->nst, dmsg); - free_msg(msg); - return 0; - } - - bc = find_bc_by_l3id(stack, hh->dinfo); - hold_bc = stack_holder_find(stack, bc->l3_id); - cb_log(4, stack->port, "bc_l3id:%x holded_bc_l3id:%x\n",bc->l3_id, hold_bc->l3_id); - - if (hold_bc) { - cb_log(4, stack->port, "REMOVEING Holder\n"); - - /*swap the backup to our new channel back*/ - stack_holder_remove(stack, hold_bc); - memcpy(bc, hold_bc, sizeof(*bc)); - free(hold_bc); - - bc->holded=0; - bc->b_stid=0; - } - - } - - break; - - case CC_SETUP|CONFIRM: - { - struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo); - int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE)); - cb_log(4, stack->port, " --> lib: Event_ind:SETUP CONFIRM [NT] : new L3ID is %x\n",l3id ); - - if (!bc) { cb_log(4, stack->port, "Bc Not found (after SETUP CONFIRM)\n"); return 0; } - cb_log (2,bc->port,"I IND :CC_SETUP|CONFIRM: old l3id:%x new l3id:%x\n", bc->l3_id, l3id); - bc->l3_id=l3id; - cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data); - } - free_msg(msg); - return 0; - - case CC_SETUP|INDICATION: - { - struct misdn_bchannel* bc=misdn_lib_get_free_bc(stack->port, 0, 1, 0); - if (!bc) - ERR_NO_CHANNEL: - { - msg_t *dmsg; - cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo); - dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1); - stack->nst.manager_l3(&stack->nst, dmsg); - free_msg(msg); - return 0; - } - - cb_log(4, stack->port, " --> new_process: New L3Id: %x\n",hh->dinfo); - bc->l3_id=hh->dinfo; - } - break; - - case CC_CONNECT_ACKNOWLEDGE|INDICATION: - break; - - case CC_ALERTING|INDICATION: - case CC_PROCEEDING|INDICATION: - case CC_SETUP_ACKNOWLEDGE|INDICATION: - if(!stack->ptp) break; - case CC_CONNECT|INDICATION: - break; - case CC_DISCONNECT|INDICATION: - { - struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo); - if (!bc) { - bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000); - if (bc) { - int myprocid=bc->l3_id&0x0000ffff; - hh->dinfo=(hh->dinfo&0xffff0000)|myprocid; - cb_log(3,stack->port,"Reject dinfo: %x cause:%d\n",hh->dinfo,bc->cause); - reject=1; - } - } - } - break; - - case CC_FACILITY|INDICATION: - { - struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo); - if (!bc) { - bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000); - if (bc) { - int myprocid=bc->l3_id&0x0000ffff; - hh->dinfo=(hh->dinfo&0xffff0000)|myprocid; - cb_log(4,bc->port,"Repaired reject Bug, new dinfo: %x\n",hh->dinfo); - } - } - } - break; - - case CC_RELEASE_COMPLETE|INDICATION: - break; - - case CC_SUSPEND|INDICATION: - { - msg_t *dmsg; - cb_log(4, stack->port, " --> Got Suspend, sending Reject for now\n"); - dmsg = create_l3msg(CC_SUSPEND_REJECT | REQUEST,MT_SUSPEND_REJECT, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1); - stack->nst.manager_l3(&stack->nst, dmsg); - free_msg(msg); - return 0; - } - break; - case CC_RESUME|INDICATION: - break; - - case CC_RELEASE|CONFIRM: - { - struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo); - - if (bc) { - cb_log(1, stack->port, "CC_RELEASE|CONFIRM (l3id:%x), sending RELEASE_COMPLETE\n", hh->dinfo); - misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE); - } - } - break; - - case CC_RELEASE|INDICATION: - break; - - case CC_RELEASE_CR|INDICATION: - release_cr(stack, hh); - free_msg(msg); - return 0 ; - break; - - case CC_NEW_CR|INDICATION: - /* Got New CR for bchan, for now I handle this one in */ - /* connect_ack, Need to be changed */ - { - struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo); - int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE)); - if (!bc) { cb_log(0, stack->port, " --> In NEW_CR: didn't found bc ??\n"); return -1;}; - if (((l3id&0xff00)!=0xff00) && ((bc->l3_id&0xff00)==0xff00)) { - cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", 0xff&bc->l3_id); - stack->procids[bc->l3_id&0xff] = 0 ; - } - cb_log(4, stack->port, "lib: Event_ind:CC_NEW_CR : very new L3ID is %x\n",l3id ); - - bc->l3_id =l3id; - cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data); - - free_msg(msg); - return 0; - } - - case DL_ESTABLISH | INDICATION: - case DL_ESTABLISH | CONFIRM: - { - cb_log(3, stack->port, "%% GOT L2 Activate Info.\n"); - - if (stack->ptp && stack->l2link) { - cb_log(0, stack->port, "%% GOT L2 Activate Info. but we're activated already.. this l2 is faulty, blocking port\n"); - cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data); - } - - if (stack->ptp && !stack->restart_sent) { - /* make sure we restart the interface of the - * other side */ - stack->restart_sent=1; - misdn_lib_send_restart(stack->port, -1); - - } - - /* when we get the L2 UP, the L1 is UP definitely too*/ - stack->l2link = 1; - stack->l2upcnt=0; - - free_msg(msg); - return 0; - } - break; - - - case DL_RELEASE | INDICATION: - case DL_RELEASE | CONFIRM: - { - if (stack->ptp) { - cb_log(3 , stack->port, "%% GOT L2 DeActivate Info.\n"); - - if (stack->l2upcnt>3) { - cb_log(0 , stack->port, "!!! Could not Get the L2 up after 3 Attemps!!!\n"); - } else { -#if 0 - if (stack->nt) misdn_lib_reinit_nt_stack(stack->port); -#endif - if (stack->l1link) { - misdn_lib_get_l2_up(stack); - stack->l2upcnt++; - } - } - - } else - cb_log(3, stack->port, "%% GOT L2 DeActivate Info.\n"); - - stack->l2link = 0; - free_msg(msg); - return 0; - } - break; - } - } - - { - /* Parse Events and fire_up to App. */ - struct misdn_bchannel *bc; - struct misdn_bchannel dummybc; - - enum event_e event = isdn_msg_get_event(msgs_g, msg, 1); - - bc=find_bc_by_l3id(stack, hh->dinfo); - - if (!bc) { - cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x).\n", hh->dinfo); - misdn_make_dummy(&dummybc, stack->port, hh->dinfo, stack->nt, 0); - bc=&dummybc; - } - if (bc ) { - isdn_msg_parse_event(msgs_g,msg,bc, 1); - - switch (event) { - case EVENT_SETUP: - if (bc->channel<=0 || bc->channel==0xff) - bc->channel=0; - - if (find_free_chan_in_stack(stack,bc, bc->channel,0)<0) - goto ERR_NO_CHANNEL; - break; - case EVENT_RELEASE: - case EVENT_RELEASE_COMPLETE: - { - int channel=bc->channel; - int tmpcause=bc->cause; - empty_bc(bc); - bc->cause=tmpcause; - clean_up_bc(bc); - - if (channel>0) - empty_chan_in_stack(stack,channel); - bc->in_use=0; - } - break; - - default: - break; - } - - if(!isdn_get_info(msgs_g,event,1)) { - cb_log(4, stack->port, "Unknown Event Ind: prim %x dinfo %x\n",hh->prim, hh->dinfo); - } else { - if (reject) { - switch(bc->cause){ - case 17: - cb_log(1, stack->port, "Siemens Busy reject..\n"); - - break; - default: - break; - } - } - cb_event(event, bc, glob_mgr->user_data); - } - } else { - cb_log(4, stack->port, "No BC found with l3id: prim %x dinfo %x\n",hh->prim, hh->dinfo); - } - - free_msg(msg); - } - - - return 0; -} - - -static int handle_timers(msg_t* msg) -{ - iframe_t *frm= (iframe_t*)msg->data; - struct misdn_stack *stack; - - /* Timer Stuff */ - switch (frm->prim) { - case MGR_INITTIMER | CONFIRM: - case MGR_ADDTIMER | CONFIRM: - case MGR_DELTIMER | CONFIRM: - case MGR_REMOVETIMER | CONFIRM: - free_msg(msg); - return(1); - } - - - - if (frm->prim==(MGR_TIMER | INDICATION) ) { - for (stack = glob_mgr->stack_list; - stack; - stack = stack->next) { - itimer_t *it; - - if (!stack->nt) continue; - - it = stack->nst.tlist; - /* find timer */ - for(it=stack->nst.tlist; - it; - it=it->next) { - if (it->id == (int)frm->addr) - break; - } - if (it) { - int ret; - ret = mISDN_write_frame(stack->midev, msg->data, frm->addr, - MGR_TIMER | RESPONSE, 0, 0, NULL, TIMEOUT_1SEC); - test_and_clear_bit(FLG_TIMER_RUNING, (long unsigned int *)&it->Flags); - ret = it->function(it->data); - free_msg(msg); - return 1; - } - } - - cb_log(0, 0, "Timer Msg without Timer ??\n"); - free_msg(msg); - return 1; - } - - return 0; -} - - - -void misdn_lib_tone_generator_start(struct misdn_bchannel *bc) -{ - bc->generate_tone=1; -} - -void misdn_lib_tone_generator_stop(struct misdn_bchannel *bc) -{ - bc->generate_tone=0; -} - - -static int do_tone(struct misdn_bchannel *bc, int len) -{ - bc->tone_cnt=len; - - if (bc->generate_tone) { - cb_event(EVENT_TONE_GENERATE, bc, glob_mgr->user_data); - - if ( !bc->nojitter ) { - misdn_tx_jitter(bc,len); - } - - return 1; - } - - return 0; -} - - -#ifdef MISDN_SAVE_DATA -static void misdn_save_data(int id, char *p1, int l1, char *p2, int l2) -{ - char n1[32],n2[32]; - FILE *rx, *tx; - - sprintf(n1,"/tmp/misdn-rx-%d.raw",id); - sprintf(n2,"/tmp/misdn-tx-%d.raw",id); - - rx = fopen(n1,"a+"); - tx = fopen(n2,"a+"); - - if (!rx || !tx) { - cb_log(0,0,"Couldn't open files: %s\n",strerror(errno)); - return ; - } - - fwrite(p1,1,l1,rx); - fwrite(p2,1,l2,tx); - - fclose(rx); - fclose(tx); - -} -#endif - -void misdn_tx_jitter(struct misdn_bchannel *bc, int len) -{ - char buf[4096 + mISDN_HEADER_LEN]; - char *data=&buf[mISDN_HEADER_LEN]; - iframe_t *txfrm= (iframe_t*)buf; - int jlen, r; - - jlen=cb_jb_empty(bc,data,len); - - if (jlen) { -#ifdef MISDN_SAVE_DATA - misdn_save_data((bc->port*100+bc->channel), data, jlen, bc->bframe, bc->bframe_len); -#endif - flip_buf_bits( data, jlen); - - if (jlen < len) { - cb_log(7,bc->port,"Jitterbuffer Underrun.\n"); - } - - txfrm->prim = DL_DATA|REQUEST; - - txfrm->dinfo = 0; - - txfrm->addr = bc->addr|FLG_MSG_DOWN; /* | IF_DOWN; */ - - txfrm->len =jlen; - cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len); - - r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 ); - } else { -#define MISDN_GEN_SILENCE -#ifdef MISDN_GEN_SILENCE - int cnt=len/TONE_SILENCE_SIZE; - int rest=len%TONE_SILENCE_SIZE; - int i; - - for (i=0; i<cnt; i++) { - memcpy(data, tone_silence_flip, TONE_SILENCE_SIZE ); - data +=TONE_SILENCE_SIZE; - } - - if (rest) { - memcpy(data, tone_silence_flip, rest); - } - - txfrm->prim = DL_DATA|REQUEST; - - txfrm->dinfo = 0; - - txfrm->addr = bc->addr|FLG_MSG_DOWN; /* | IF_DOWN; */ - - txfrm->len =len; - cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len); - - r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 ); -#endif - - } -} - -static int handle_bchan(msg_t *msg) -{ - iframe_t *frm= (iframe_t*)msg->data; - struct misdn_bchannel *bc=find_bc_by_addr(frm->addr); - struct misdn_stack *stack; - - if (!bc) { - cb_log(1,0,"handle_bchan: BC not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo); - return 0 ; - } - - stack = get_stack_by_bc(bc); - - if (!stack) { - cb_log(0, bc->port,"handle_bchan: STACK not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo); - return 0; - } - - switch (frm->prim) { - - case MGR_SETSTACK| CONFIRM: - cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|CONFIRM pid:%d\n",bc->pid); - break; - - case MGR_SETSTACK| INDICATION: - cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|IND pid:%d\n",bc->pid); - break; -#if 0 - AGAIN: - bc->addr = mISDN_get_layerid(stack->midev, bc->b_stid, bc->layer); - if (!bc->addr) { - - if (errno == EAGAIN) { - usleep(1000); - goto AGAIN; - } - - cb_log(0,stack->port,"$$$ Get Layer (%d) Id Error: %s\n",bc->layer,strerror(errno)); - - /* we kill the channel later, when we received some - data. */ - bc->addr= frm->addr; - } else if ( bc->addr < 0) { - cb_log(0, stack->port,"$$$ bc->addr <0 Error:%s\n",strerror(errno)); - bc->addr=0; - } - - cb_log(4, stack->port," --> Got Adr %x\n", bc->addr); - - free_msg(msg); - - - switch(bc->bc_state) { - case BCHAN_SETUP: - bc_state_change(bc,BCHAN_SETUPED); - break; - - case BCHAN_CLEAN_REQUEST: - default: - cb_log(0, stack->port," --> STATE WASN'T SETUP (but %s) in SETSTACK|IND pid:%d\n",bc_state2str(bc->bc_state), bc->pid); - clean_up_bc(bc); - } - return 1; -#endif - - case MGR_DELLAYER| INDICATION: - cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|IND pid:%d\n",bc->pid); - break; - - case MGR_DELLAYER| CONFIRM: - cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|CNF pid:%d\n",bc->pid); - - bc->pid=0; - bc->addr=0; - - free_msg(msg); - return 1; - - case PH_ACTIVATE | INDICATION: - case DL_ESTABLISH | INDICATION: - cb_log(3, stack->port, "BCHAN: ACT Ind pid:%d\n", bc->pid); - - free_msg(msg); - return 1; - - case PH_ACTIVATE | CONFIRM: - case DL_ESTABLISH | CONFIRM: - - cb_log(3, stack->port, "BCHAN: bchan ACT Confirm pid:%d\n",bc->pid); - free_msg(msg); - - return 1; - - case DL_ESTABLISH | REQUEST: - { - char buf[128]; - mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN, DL_ESTABLISH | CONFIRM, 0,0, NULL, TIMEOUT_1SEC); - } - free_msg(msg); - return 1; - - case DL_RELEASE|REQUEST: - { - char buf[128]; - mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN, DL_RELEASE| CONFIRM, 0,0, NULL, TIMEOUT_1SEC); - } - free_msg(msg); - return 1; - - case PH_DEACTIVATE | INDICATION: - case DL_RELEASE | INDICATION: - cb_log (3, stack->port, "BCHAN: DeACT Ind pid:%d\n",bc->pid); - - free_msg(msg); - return 1; - - case PH_DEACTIVATE | CONFIRM: - case DL_RELEASE | CONFIRM: - cb_log(3, stack->port, "BCHAN: DeACT Conf pid:%d\n",bc->pid); - - free_msg(msg); - return 1; - - case PH_CONTROL|INDICATION: - { - unsigned int cont = *((unsigned int *)&frm->data.p); - - cb_log(4, stack->port, "PH_CONTROL: channel:%d oad%d:%s dad%d:%s \n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad); - - if ((cont&~DTMF_TONE_MASK) == DTMF_TONE_VAL) { - int dtmf = cont & DTMF_TONE_MASK; - cb_log(4, stack->port, " --> DTMF TONE: %c\n",dtmf); - bc->dtmf=dtmf; - cb_event(EVENT_DTMF_TONE, bc, glob_mgr->user_data); - - free_msg(msg); - return 1; - } - if (cont == BF_REJECT) { - cb_log(4, stack->port, " --> BF REJECT\n"); - free_msg(msg); - return 1; - } - if (cont == BF_ACCEPT) { - cb_log(4, stack->port, " --> BF ACCEPT\n"); - free_msg(msg); - return 1; - } - } - break; - - case PH_DATA|REQUEST: - case DL_DATA|REQUEST: - cb_log(0, stack->port, "DL_DATA REQUEST \n"); - do_tone(bc, 64); - - free_msg(msg); - return 1; - - - case PH_DATA|INDICATION: - case DL_DATA|INDICATION: - { - bc->bframe = (void*)&frm->data.i; - bc->bframe_len = frm->len; - - /** Anyway flip the bufbits **/ - if ( misdn_cap_is_speech(bc->capability) ) - flip_buf_bits(bc->bframe, bc->bframe_len); - - - if (!bc->bframe_len) { - cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr); - free_msg(msg); - return 1; - } - - if ( (bc->addr&STACK_ID_MASK) != (frm->addr&STACK_ID_MASK) ) { - cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr); - free_msg(msg); - return 1; - } - -#if MISDN_DEBUG - cb_log(0, stack->port, "DL_DATA INDICATION Len %d\n", frm->len); - -#endif - - if ( (bc->bc_state == BCHAN_ACTIVATED) && frm->len > 0) { - int t; - -#ifdef MISDN_B_DEBUG - cb_log(0,bc->port,"do_tone START\n"); -#endif - t=do_tone(bc,frm->len); - -#ifdef MISDN_B_DEBUG - cb_log(0,bc->port,"do_tone STOP (%d)\n",t); -#endif - if ( !t ) { - int i; - - if ( misdn_cap_is_speech(bc->capability)) { - if ( !bc->nojitter ) { -#ifdef MISDN_B_DEBUG - cb_log(0,bc->port,"tx_jitter START\n"); -#endif - misdn_tx_jitter(bc,frm->len); -#ifdef MISDN_B_DEBUG - cb_log(0,bc->port,"tx_jitter STOP\n"); -#endif - } - } - -#ifdef MISDN_B_DEBUG - cb_log(0,bc->port,"EVENT_B_DATA START\n"); -#endif - - i = cb_event(EVENT_BCHAN_DATA, bc, glob_mgr->user_data); -#ifdef MISDN_B_DEBUG - cb_log(0,bc->port,"EVENT_B_DATA STOP\n"); -#endif - - if (i<0) { - cb_log(10,stack->port,"cb_event returned <0\n"); - /*clean_up_bc(bc);*/ - } - } - } - free_msg(msg); - return 1; - } - - - case PH_CONTROL | CONFIRM: - cb_log(4, stack->port, "PH_CONTROL|CNF bc->addr:%x\n", frm->addr); - free_msg(msg); - return 1; - - case PH_DATA | CONFIRM: - case DL_DATA|CONFIRM: -#if MISDN_DEBUG - - cb_log(0, stack->port, "Data confirmed\n"); - -#endif - free_msg(msg); - return 1; - case DL_DATA|RESPONSE: -#if MISDN_DEBUG - cb_log(0, stack->port, "Data response\n"); - -#endif - break; - } - - return 0; -} - - - -static int handle_frm_nt(msg_t *msg) -{ - iframe_t *frm= (iframe_t*)msg->data; - struct misdn_stack *stack; - int err=0; - - stack=find_stack_by_addr( frm->addr ); - - - - if (!stack || !stack->nt) { - return 0; - } - - - if ((err=stack->nst.l1_l2(&stack->nst,msg))) { - - if (nt_err_cnt > 0 ) { - if (nt_err_cnt < 100) { - nt_err_cnt++; - cb_log(0, stack->port, "NT Stack sends us error: %d \n", err); - } else if (nt_err_cnt < 105){ - cb_log(0, stack->port, "NT Stack sends us error: %d over 100 times, so I'll stop this message\n", err); - nt_err_cnt = - 1; - } - } - free_msg(msg); - return 1; - - } - - return 1; -} - - -static int handle_frm(msg_t *msg) -{ - iframe_t *frm = (iframe_t*) msg->data; - - struct misdn_stack *stack=find_stack_by_addr(frm->addr); - - if (!stack || stack->nt) { - return 0; - } - - cb_log(4,stack?stack->port:0,"handle_frm: frm->addr:%x frm->prim:%x\n",frm->addr,frm->prim); - - { - struct misdn_bchannel dummybc; - struct misdn_bchannel *bc; - int ret=handle_cr(stack, frm); - - if (ret<0) { - cb_log(3,stack?stack->port:0,"handle_frm: handle_cr <0 prim:%x addr:%x\n", frm->prim, frm->addr); - - - } - - if(ret) { - free_msg(msg); - return 1; - } - - bc=find_bc_by_l3id(stack, frm->dinfo); - - if (!bc && (frm->prim==(CC_RESTART|CONFIRM)) ) { - misdn_make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0); - bc=&dummybc; - } - -handle_frm_bc: - if (bc ) { - enum event_e event = isdn_msg_get_event(msgs_g, msg, 0); - enum event_response_e response=RESPONSE_OK; - int ret; - - isdn_msg_parse_event(msgs_g,msg,bc, 0); - - /** Preprocess some Events **/ - ret = handle_event(bc, event, frm); - if (ret<0) { - cb_log(0,stack->port,"couldn't handle event\n"); - free_msg(msg); - return 1; - } - /* shoot up event to App: */ - cb_log(5, stack->port, "lib Got Prim: Addr %x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo); - - if(!isdn_get_info(msgs_g,event,0)) - cb_log(0, stack->port, "Unknown Event Ind: Addr:%x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo); - else - response=cb_event(event, bc, glob_mgr->user_data); -#if 1 - if (event == EVENT_SETUP) { - switch (response) { - case RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE: - - cb_log(0, stack->port, "TOTALY IGNORING SETUP \n"); - - break; - case RESPONSE_IGNORE_SETUP: - /* I think we should send CC_RELEASE_CR, but am not sure*/ - bc->out_cause=16; - - case RESPONSE_RELEASE_SETUP: - misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE); - if (bc->channel>0) - empty_chan_in_stack(stack, bc->channel); - empty_bc(bc); - bc_state_change(bc,BCHAN_CLEANED); - bc->in_use=0; - - cb_log(0, stack->port, "GOT IGNORE SETUP\n"); - break; - case RESPONSE_OK: - cb_log(4, stack->port, "GOT SETUP OK\n"); - - - break; - default: - break; - } - } - - if (event == EVENT_RELEASE_COMPLETE) { - /* release bchannel only after we've anounced the RELEASE_COMPLETE */ - int channel=bc->channel; - int tmpcause=bc->cause; - int tmp_out_cause=bc->out_cause; - empty_bc(bc); - bc->cause=tmpcause; - bc->out_cause=tmp_out_cause; - clean_up_bc(bc); - - if (tmpcause == 44) { - cb_log(0,stack->port,"**** Received CAUSE:44, so not cleaning up channel %d\n", channel); - cb_log(0,stack->port,"**** This channel is now no longer available,\nplease try to restart it with 'misdn send restart <port> <channel>'\n"); - set_chan_in_stack(stack, channel); - bc->channel=channel; - misdn_lib_send_restart(stack->port, channel); - } else { - if (channel>0) - empty_chan_in_stack(stack, channel); - } - bc->in_use=0; - } - - if (event == EVENT_RESTART) { - cb_log(0, stack->port, "**** Received RESTART_ACK channel:%d\n", bc->restart_channel); - empty_chan_in_stack(stack, bc->restart_channel); - } - - cb_log(5, stack->port, "Freeing Msg on prim:%x \n",frm->prim); - - - free_msg(msg); - return 1; -#endif - - } else { - struct misdn_bchannel dummybc; - if (frm->prim!=(CC_FACILITY|INDICATION)) - cb_log(0, stack->port, " --> Didn't find BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo); - else - cb_log(5, stack->port, " --> Using Dummy BC for FACILITy\n"); - - memset (&dummybc,0,sizeof(dummybc)); - dummybc.port=stack->port; - dummybc.l3_id=frm->dinfo; - bc=&dummybc; - goto handle_frm_bc; - } - } - - cb_log(4, stack->port, "TE_FRM_HANDLER: Returning 0 on prim:%x \n",frm->prim); - return 0; -} - - -static int handle_l1(msg_t *msg) -{ - iframe_t *frm = (iframe_t*) msg->data; - struct misdn_stack *stack = find_stack_by_addr(frm->addr); - int i ; - - if (!stack) return 0 ; - - switch (frm->prim) { - case PH_ACTIVATE | CONFIRM: - case PH_ACTIVATE | INDICATION: - cb_log (3, stack->port, "L1: PH L1Link Up!\n"); - stack->l1link=1; - - if (stack->nt) { - - if (stack->nst.l1_l2(&stack->nst, msg)) - free_msg(msg); - - if (stack->ptp) - misdn_lib_get_l2_up(stack); - } else { - free_msg(msg); - } - - for (i=0;i<=stack->b_num; i++) { - if (stack->bc[i].evq != EVENT_NOTHING) { - cb_log(4, stack->port, "Fireing Queued Event %s because L1 got up\n", isdn_get_info(msgs_g, stack->bc[i].evq, 0)); - misdn_lib_send_event(&stack->bc[i],stack->bc[i].evq); - stack->bc[i].evq=EVENT_NOTHING; - } - - } - return 1; - - case PH_ACTIVATE | REQUEST: - free_msg(msg); - cb_log(3,stack->port,"L1: PH_ACTIVATE|REQUEST \n"); - return 1; - - case PH_DEACTIVATE | REQUEST: - free_msg(msg); - cb_log(3,stack->port,"L1: PH_DEACTIVATE|REQUEST \n"); - return 1; - - case PH_DEACTIVATE | CONFIRM: - case PH_DEACTIVATE | INDICATION: - cb_log (3, stack->port, "L1: PH L1Link Down! \n"); - -#if 0 - for (i=0; i<=stack->b_num; i++) { - if (global_state == MISDN_INITIALIZED) { - cb_event(EVENT_CLEANUP, &stack->bc[i], glob_mgr->user_data); - } - } -#endif - - if (stack->nt) { - if (stack->nst.l1_l2(&stack->nst, msg)) - free_msg(msg); - } else { - free_msg(msg); - } - - stack->l1link=0; - stack->l2link=0; - return 1; - } - - return 0; -} - -static int handle_l2(msg_t *msg) -{ - iframe_t *frm = (iframe_t*) msg->data; - - struct misdn_stack *stack = find_stack_by_addr(frm->addr); - - if (!stack) { - return 0 ; - } - - switch(frm->prim) { - - case DL_ESTABLISH | REQUEST: - cb_log(1,stack->port,"DL_ESTABLISH|REQUEST \n"); - return 1; - case DL_RELEASE | REQUEST: - cb_log(1,stack->port,"DL_RELEASE|REQUEST \n"); - return 1; - - case DL_ESTABLISH | INDICATION: - case DL_ESTABLISH | CONFIRM: - { - cb_log (3, stack->port, "L2: L2Link Up! \n"); - if (stack->ptp && stack->l2link) { - cb_log (-1, stack->port, "L2: L2Link Up! but it's already UP.. must be faulty, blocking port\n"); - cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data); - } - stack->l2link=1; - free_msg(msg); - return 1; - } - break; - - case DL_RELEASE | INDICATION: - case DL_RELEASE | CONFIRM: - { - cb_log (3, stack->port, "L2: L2Link Down! \n"); - stack->l2link=0; - - free_msg(msg); - return 1; - } - break; - } - return 0; -} - -static int handle_mgmt(msg_t *msg) -{ - iframe_t *frm = (iframe_t*) msg->data; - struct misdn_stack *stack; - - if ( (frm->addr == 0) && (frm->prim == (MGR_DELLAYER|CONFIRM)) ) { - cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: 0 !\n") ; - free_msg(msg); - return 1; - } - - stack = find_stack_by_addr(frm->addr); - - if (!stack) { - if (frm->prim == (MGR_DELLAYER|CONFIRM)) { - cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: %x !\n", - frm->addr) ; - free_msg(msg); - return 1; - } - - return 0; - } - - switch(frm->prim) { - case MGR_SHORTSTATUS | INDICATION: - case MGR_SHORTSTATUS | CONFIRM: - cb_log(5, 0, "MGMT: Short status dinfo %x\n",frm->dinfo); - - switch (frm->dinfo) { - case SSTATUS_L1_ACTIVATED: - cb_log(3, 0, "MGMT: SSTATUS: L1_ACTIVATED \n"); - stack->l1link=1; - - break; - case SSTATUS_L1_DEACTIVATED: - cb_log(3, 0, "MGMT: SSTATUS: L1_DEACTIVATED \n"); - stack->l1link=0; -#if 0 - clear_l3(stack); -#endif - break; - - case SSTATUS_L2_ESTABLISHED: - cb_log(3, stack->port, "MGMT: SSTATUS: L2_ESTABLISH \n"); - stack->l2link=1; - break; - - case SSTATUS_L2_RELEASED: - cb_log(3, stack->port, "MGMT: SSTATUS: L2_RELEASED \n"); - stack->l2link=0; - break; - } - - free_msg(msg); - return 1; - - case MGR_SETSTACK | INDICATION: - cb_log(4, stack->port, "MGMT: SETSTACK|IND dinfo %x\n",frm->dinfo); - free_msg(msg); - return 1; - case MGR_DELLAYER | CONFIRM: - cb_log(4, stack->port, "MGMT: DELLAYER|CNF dinfo %x\n",frm->dinfo) ; - free_msg(msg); - return 1; - - } - - /* - if ( (frm->prim & 0x0f0000) == 0x0f0000) { - cb_log(5, 0, "$$$ MGMT FRAME: prim %x addr %x dinfo %x\n",frm->prim, frm->addr, frm->dinfo) ; - free_msg(msg); - return 1; - } */ - - return 0; -} - - -static msg_t *fetch_msg(int midev) -{ - msg_t *msg=alloc_msg(MAX_MSG_SIZE); - int r; - - if (!msg) { - cb_log(0, 0, "fetch_msg: alloc msg failed !!"); - return NULL; - } - - AGAIN: - r=mISDN_read(midev,msg->data,MAX_MSG_SIZE, TIMEOUT_10SEC); - msg->len=r; - - if (r==0) { - free_msg(msg); /* danger, cauz usualy freeing in main_loop */ - cb_log(6,0,"Got empty Msg..\n"); - return NULL; - } - - if (r<0) { - if (errno == EAGAIN) { - /*we wait for mISDN here*/ - cb_log(4,0,"mISDN_read wants us to wait\n"); - usleep(5000); - goto AGAIN; - } - - cb_log(0,0,"mISDN_read returned :%d error:%s (%d)\n",r,strerror(errno),errno); - } - -#if 0 - if (!(frm->prim == (DL_DATA|INDICATION) )|| (frm->prim == (PH_DATA|INDICATION))) - cb_log(0,0,"prim: %x dinfo:%x addr:%x msglen:%d frm->len:%d\n",frm->prim, frm->dinfo, frm->addr, msg->len,frm->len ); -#endif - return msg; -} - -void misdn_lib_isdn_l1watcher(int port) -{ - struct misdn_stack *stack; - - for (stack = glob_mgr->stack_list; stack && (stack->port != port); stack = stack->next) - ; - - if (stack) { - cb_log(4, port, "Checking L1 State\n"); - if (!stack->l1link) { - cb_log(4, port, "L1 State Down, trying to get it up again\n"); - misdn_lib_get_short_status(stack); - misdn_lib_get_l1_up(stack); - misdn_lib_get_l2_up(stack); - } - } -} - -static void misdn_lib_isdn_event_catcher(void *arg) -{ - struct misdn_lib *mgr = arg; - int zero_frm=0 , fff_frm=0 ; - int midev= mgr->midev; - int port=0; - - while (1) { - msg_t *msg = fetch_msg(midev); - iframe_t *frm; - - - if (!msg) continue; - - frm = (iframe_t*) msg->data; - - /** When we make a call from NT2Ast we get this frames **/ - if (frm->len == 0 && frm->addr == 0 && frm->dinfo == 0 && frm->prim == 0 ) { - zero_frm++; - free_msg(msg); - continue; - } else { - if (zero_frm) { - cb_log(0, port, "*** Alert: %d zero_frms caught\n", zero_frm); - zero_frm = 0 ; - } - } - - /** I get this sometimes after setup_bc **/ - if (frm->len == 0 && frm->dinfo == 0 && frm->prim == 0xffffffff ) { - fff_frm++; - free_msg(msg); - continue; - } else { - if (fff_frm) { - cb_log(0, port, "*** Alert: %d fff_frms caught\n", fff_frm); - fff_frm = 0 ; - } - } - - manager_isdn_handler(frm, msg); - } - -} - - -/** App Interface **/ - -int te_lib_init() { - char buff[1025] = ""; - iframe_t *frm=(iframe_t*)buff; - int midev=mISDN_open(); - int ret; - - if (midev<=0) return midev; - -/* create entity for layer 3 TE-mode */ - mISDN_write_frame(midev, buff, 0, MGR_NEWENTITY | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); - ret = mISDN_read_frame(midev, frm, sizeof(iframe_t), 0, MGR_NEWENTITY | CONFIRM, TIMEOUT_1SEC); - - if (ret < mISDN_HEADER_LEN) { - noentity: - fprintf(stderr, "cannot request MGR_NEWENTITY from mISDN: %s\n",strerror(errno)); - exit(-1); - } - - entity = frm->dinfo & 0xffff ; - - if (!entity) - goto noentity; - - return midev; - -} - -void te_lib_destroy(int midev) -{ - char buf[1024]; - mISDN_write_frame(midev, buf, 0, MGR_DELENTITY | REQUEST, entity, 0, NULL, TIMEOUT_1SEC); - - cb_log(4, 0, "Entetity deleted\n"); - mISDN_close(midev); - cb_log(4, 0, "midev closed\n"); -} - - - -void misdn_lib_transfer(struct misdn_bchannel* holded_bc) -{ - holded_bc->holded=0; -} - -struct misdn_bchannel *manager_find_bc_by_pid(int pid) -{ - struct misdn_stack *stack; - int i; - - for (stack=glob_mgr->stack_list; - stack; - stack=stack->next) { - for (i=0; i<=stack->b_num; i++) - if (stack->bc[i].pid == pid) return &stack->bc[i]; - } - - return NULL; -} - -struct misdn_bchannel *manager_find_bc_holded(struct misdn_bchannel* bc) -{ - struct misdn_stack *stack=get_stack_by_bc(bc); - return find_bc_holded(stack); -} - - - -static void prepare_bc(struct misdn_bchannel*bc, int channel) -{ - bc->channel = channel; - bc->channel_preselected = channel?1:0; - bc->in_use = 1; - bc->need_disconnect=1; - bc->need_release=1; - bc->need_release_complete=1; - bc->cause=16; - - if (++mypid>5000) mypid=1; - bc->pid=mypid; - -#if 0 - bc->addr=0; - bc->b_stid=0; - bc->layer_id=0; -#endif -} - -struct misdn_bchannel* misdn_lib_get_free_bc(int port, int channel, int inout, int dec) -{ - struct misdn_stack *stack; - int i; - - if (channel < 0 || channel > MAX_BCHANS) { - cb_log(0,port,"Requested channel out of bounds (%d)\n",channel); - return NULL; - } - - for (stack=glob_mgr->stack_list; stack; stack=stack->next) { - - if (stack->port == port) { - int maxnum; - - if (stack->blocked) { - cb_log(0,port,"Port is blocked\n"); - return NULL; - } - - if (channel > 0) { - if (channel <= stack->b_num) { - for (i = 0; i < stack->b_num; i++) { - if (stack->bc[i].in_use && stack->bc[i].channel == channel) { - cb_log(0,port,"Requested channel:%d on port:%d is already in use\n",channel, port); - return NULL; - } - } - } else { - cb_log(0,port,"Requested channel:%d is out of bounds on port:%d\n",channel, port); - return NULL; - } - } - - maxnum = inout && !stack->pri && !stack->ptp ? stack->b_num + 1 : stack->b_num; - - if (dec) { - for (i = maxnum-1; i>=0; i--) { - if (!stack->bc[i].in_use) { - /* 3. channel on bri means CW*/ - if (!stack->pri && i==stack->b_num) - stack->bc[i].cw=1; - - prepare_bc(&stack->bc[i], channel); - stack->bc[i].dec=1; - return &stack->bc[i]; - } - } - } else { - for (i = 0; i <maxnum; i++) { - if (!stack->bc[i].in_use) { - /* 3. channel on bri means CW*/ - if (!stack->pri && i==stack->b_num) - stack->bc[i].cw=1; - - prepare_bc(&stack->bc[i], channel); - return &stack->bc[i]; - } - } - } - - cb_log(1,port,"There is no free channel on port (%d)\n",port); - return NULL; - } - } - - cb_log(0,port,"Port is not configured (%d)\n",port); - return NULL; -} - - -static char *fac2str (enum FacFunction func) -{ - struct arr_el { - enum FacFunction p; - char *s ; - } arr[] = { - { Fac_None, "Fac_None" }, - { Fac_CD, "Fac_CD"}, - }; - - int i; - - for (i=0; i < sizeof(arr)/sizeof( struct arr_el) ; i ++) - if ( arr[i].p==func) return arr[i].s; - - return "unknown"; -} - -void misdn_lib_log_ies(struct misdn_bchannel *bc) -{ - struct misdn_stack *stack; - - if (!bc) return; - - stack = get_stack_by_bc(bc); - - if (!stack) return; - - cb_log(2, stack->port, " --> channel:%d mode:%s cause:%d ocause:%d rad:%s cad:%s\n", bc->channel, stack->nt?"NT":"TE", bc->cause, bc->out_cause, bc->rad, bc->cad); - - cb_log(2, stack->port, - " --> info_dad:%s onumplan:%c dnumplan:%c rnumplan:%c cpnnumplan:%c\n", - bc->info_dad, - bc->onumplan>=0?'0'+bc->onumplan:' ', - bc->dnumplan>=0?'0'+bc->dnumplan:' ', - bc->rnumplan>=0?'0'+bc->rnumplan:' ', - bc->cpnnumplan>=0?'0'+bc->cpnnumplan:' ' - ); - - cb_log(3, stack->port, " --> caps:%s pi:%x keypad:%s sending_complete:%d\n", bearer2str(bc->capability),bc->progress_indicator, bc->keypad, bc->sending_complete); - cb_log(4, stack->port, " --> screen:%d --> pres:%d\n", - bc->screen, bc->pres); - - cb_log(4, stack->port, " --> addr:%x l3id:%x b_stid:%x layer_id:%x\n", bc->addr, bc->l3_id, bc->b_stid, bc->layer_id); - - cb_log(4, stack->port, " --> facility:%s out_facility:%s\n",fac2str(bc->fac_in.Function),fac2str(bc->fac_out.Function)); - - cb_log(5, stack->port, " --> urate:%d rate:%d mode:%d user1:%d\n", bc->urate, bc->rate, bc->mode,bc->user1); - - cb_log(5, stack->port, " --> bc:%x h:%d sh:%d\n", bc, bc->holded, bc->stack_holder); -} - -void misdn_send_lock(struct misdn_bchannel *bc); -void misdn_send_unlock(struct misdn_bchannel *bc); - -#define RETURN(a,b) {retval=a; goto b;} - -void misdn_send_lock(struct misdn_bchannel *bc) -{ - //cb_log(0,bc->port,"Locking bc->pid:%d\n", bc->pid); - if (bc->send_lock) - pthread_mutex_lock(&bc->send_lock->lock); -} - -void misdn_send_unlock(struct misdn_bchannel *bc) -{ - //cb_log(0,bc->port,"UnLocking bc->pid:%d\n", bc->pid); - if (bc->send_lock) - pthread_mutex_unlock(&bc->send_lock->lock); -} - -int misdn_lib_send_event(struct misdn_bchannel *bc, enum event_e event ) -{ - msg_t *msg; - int retval=0; - struct misdn_stack *stack; - - if (!bc) RETURN(-1,OUT_POST_UNLOCK); - - stack = get_stack_by_bc(bc); - - if (!stack) { - cb_log(0,bc->port,"SENDEVENT: no Stack for event:%s oad:%s dad:%s \n", isdn_get_info(msgs_g, event, 0), bc->oad, bc->dad); - RETURN(-1,OUT); - } - - misdn_send_lock(bc); - - - cb_log(6,stack->port,"SENDEVENT: stack->nt:%d stack->uperid:%x\n",stack->nt, stack->upper_id); - - if ( stack->nt && !stack->l1link) { - /** Queue Event **/ - bc->evq=event; - cb_log(1, stack->port, "Queueing Event %s because L1 is down (btw. Activating L1)\n", isdn_get_info(msgs_g, event, 0)); - misdn_lib_get_l1_up(stack); - RETURN(0,OUT); - } - - cb_log(1, stack->port, "I SEND:%s oad:%s dad:%s pid:%d\n", isdn_get_info(msgs_g, event, 0), bc->oad, bc->dad, bc->pid); - cb_log(4, stack->port, " --> bc_state:%s\n",bc_state2str(bc->bc_state)); - misdn_lib_log_ies(bc); - - switch (event) { - case EVENT_SETUP: - if (create_process(glob_mgr->midev, bc)<0) { - cb_log(0, stack->port, " No free channel at the moment @ send_event\n"); - - RETURN(-ENOCHAN,OUT); - } - break; - - case EVENT_PROGRESS: - case EVENT_ALERTING: - case EVENT_PROCEEDING: - case EVENT_SETUP_ACKNOWLEDGE: - case EVENT_CONNECT: - if (!stack->nt) break; - - case EVENT_RETRIEVE_ACKNOWLEDGE: - - if (stack->nt) { - if (bc->channel <=0 ) { /* else we have the channel already */ - if (find_free_chan_in_stack(stack, bc, 0, 0)<0) { - cb_log(0, stack->port, " No free channel at the moment\n"); - /*FIXME: add disconnect*/ - RETURN(-ENOCHAN,OUT); - } - } - /* Its that i generate channels */ - } - - retval=setup_bc(bc); - if (retval == -EINVAL) { - cb_log(0,bc->port,"send_event: setup_bc failed\n"); - } - - if (misdn_cap_is_speech(bc->capability)) { - if ((event==EVENT_CONNECT)||(event==EVENT_RETRIEVE_ACKNOWLEDGE)) { - if ( *bc->crypt_key ) { - cb_log(4, stack->port, " --> ENABLING BLOWFISH channel:%d oad%d:%s dad%d:%s \n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad); - - manager_ph_control_block(bc, BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) ); - } - - if (!bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0); - manager_ec_enable(bc); - - if (bc->txgain != 0) { - cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain); - manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain); - } - - if ( bc->rxgain != 0 ) { - cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain); - manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain); - } - } - } - break; - - case EVENT_HOLD_ACKNOWLEDGE: - { - struct misdn_bchannel *holded_bc=malloc(sizeof(struct misdn_bchannel)); - if (!holded_bc) { - cb_log(0,bc->port, "Could not allocate holded_bc!!!\n"); - RETURN(-1,OUT); - } - - /*backup the bc*/ - memcpy(holded_bc,bc,sizeof(struct misdn_bchannel)); - holded_bc->holded=1; - bc_state_change(holded_bc,BCHAN_CLEANED); - - stack_holder_add(stack,holded_bc); - - /*kill the bridge and clean the bchannel*/ - if (stack->nt) { - int channel; - if (bc->bc_state == BCHAN_BRIDGED) { - struct misdn_bchannel *bc2; - - misdn_split_conf(bc,bc->conf_id); - bc2 = find_bc_by_confid(bc->conf_id); - if (!bc2) { - cb_log(0,bc->port,"We have no second bc in bridge???\n"); - } else { - misdn_split_conf(bc2,bc->conf_id); - } - } - - channel = bc->channel; - - empty_bc(bc); - clean_up_bc(bc); - - if (channel>0) - empty_chan_in_stack(stack,channel); - - bc->in_use=0; - } - - } - break; - - /* finishing the channel eh ? */ - case EVENT_DISCONNECT: - if (!bc->need_disconnect) { - cb_log(0,bc->port," --> we have already send Disconnect\n"); - RETURN(-1,OUT); - } - - bc->need_disconnect=0; - break; - case EVENT_RELEASE: - if (!bc->need_release) { - cb_log(0,bc->port," --> we have already send Release\n"); - RETURN(-1,OUT); - } - bc->need_disconnect=0; - bc->need_release=0; - break; - case EVENT_RELEASE_COMPLETE: - if (!bc->need_release_complete) { - cb_log(0,bc->port," --> we have already send Release_complete\n"); - RETURN(-1,OUT); - } - bc->need_disconnect=0; - bc->need_release=0; - bc->need_release_complete=0; - - if (!stack->nt) { - /*create clenaup in TE*/ - int channel=bc->channel; - - int tmpcause=bc->cause; - int tmp_out_cause=bc->out_cause; - empty_bc(bc); - bc->cause=tmpcause; - bc->out_cause=tmp_out_cause; - clean_up_bc(bc); - - if (channel>0) - empty_chan_in_stack(stack,channel); - - bc->in_use=0; - } - break; - - case EVENT_CONNECT_ACKNOWLEDGE: - - if ( bc->nt || misdn_cap_is_speech(bc->capability)) { - int retval=setup_bc(bc); - if (retval == -EINVAL){ - cb_log(0,bc->port,"send_event: setup_bc failed\n"); - - } - } - - if (misdn_cap_is_speech(bc->capability)) { - if ( !bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0); - manager_ec_enable(bc); - - if ( bc->txgain != 0 ) { - cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain); - manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain); - } - if ( bc->rxgain != 0 ) { - cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain); - manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain); - } - } - break; - - default: - break; - } - - /* Later we should think about sending bchannel data directly to misdn. */ - msg = isdn_msg_build_event(msgs_g, bc, event, stack->nt); - msg_queue_tail(&stack->downqueue, msg); - sem_post(&glob_mgr->new_msg); - -OUT: - misdn_send_unlock(bc); - -OUT_POST_UNLOCK: - return retval; -} - - -static int handle_err(msg_t *msg) -{ - iframe_t *frm = (iframe_t*) msg->data; - - - if (!frm->addr) { - static int cnt=0; - if (!cnt) - cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x\n",frm->prim,frm->dinfo); - cnt++; - if (cnt>100) { - cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x (already more than 100 of them)\n",frm->prim,frm->dinfo); - cnt=0; - } - - free_msg(msg); - return 1; - - } - - switch (frm->prim) { - case MGR_SETSTACK|INDICATION: - return handle_bchan(msg); - break; - - case MGR_SETSTACK|CONFIRM: - case MGR_CLEARSTACK|CONFIRM: - free_msg(msg) ; - return 1; - break; - - case DL_DATA|CONFIRM: - cb_log(4,0,"DL_DATA|CONFIRM\n"); - free_msg(msg); - return 1; - - case PH_CONTROL|CONFIRM: - cb_log(4,0,"PH_CONTROL|CONFIRM\n"); - free_msg(msg); - return 1; - - case DL_DATA|INDICATION: - { - int port=(frm->addr&MASTER_ID_MASK) >> 8; - int channel=(frm->addr&CHILD_ID_MASK) >> 16; - struct misdn_bchannel *bc; - - /*we flush the read buffer here*/ - - cb_log(9,0,"BCHAN DATA without BC: addr:%x port:%d channel:%d\n",frm->addr, port,channel); - - free_msg(msg); - return 1; - - - bc = find_bc_by_channel(port, channel); - - if (!bc) { - struct misdn_stack *stack = find_stack_by_port(port); - - if (!stack) { - cb_log(0,0," --> stack not found\n"); - free_msg(msg); - return 1; - } - - cb_log(0,0," --> bc not found by channel\n"); - if (stack->l2link) - misdn_lib_get_l2_down(stack); - - if (stack->l1link) - misdn_lib_get_l1_down(stack); - - free_msg(msg); - return 1; - } - - cb_log(3,port," --> BC in state:%s\n", bc_state2str(bc->bc_state)); - } - } - - return 0; -} - -#if 0 -static int queue_l2l3(msg_t *msg) -{ - iframe_t *frm= (iframe_t*)msg->data; - struct misdn_stack *stack; - stack=find_stack_by_addr( frm->addr ); - - - if (!stack) { - return 0; - } - - msg_queue_tail(&stack->upqueue, msg); - sem_post(&glob_mgr->new_msg); - return 1; -} -#endif - -int manager_isdn_handler(iframe_t *frm ,msg_t *msg) -{ - - if (frm->dinfo==0xffffffff && frm->prim==(PH_DATA|CONFIRM)) { - cb_log(0,0,"SERIOUS BUG, dinfo == 0xffffffff, prim == PH_DATA | CONFIRM !!!!\n"); - } - - if ( ((frm->addr | ISDN_PID_BCHANNEL_BIT )>> 28 ) == 0x5) { - if (handle_bchan(msg)) { - return 0 ; - } - } - -#ifdef RECV_FRM_SYSLOG_DEBUG - syslog(LOG_NOTICE,"mISDN recv: P(%02d): ADDR:%x PRIM:%x DINFO:%x\n",stack->port, frm->addr, frm->prim, frm->dinfo); -#endif - - if (handle_timers(msg)) - return 0 ; - - - if (handle_mgmt(msg)) - return 0 ; - - if (handle_l2(msg)) - return 0 ; - - /* Its important to handle l1 AFTER l2 */ - if (handle_l1(msg)) - return 0 ; - - if (handle_frm_nt(msg)) { - return 0; - } - - if (handle_frm(msg)) { - return 0; - } - - if (handle_err(msg)) { - return 0 ; - } - - cb_log(0, 0, "Unhandled Message: prim %x len %d from addr %x, dinfo %x on this port.\n",frm->prim, frm->len, frm->addr, frm->dinfo); - free_msg(msg); - - - return 0; -} - - - - -int misdn_lib_get_port_info(int port) -{ - msg_t *msg=alloc_msg(MAX_MSG_SIZE); - iframe_t *frm; - struct misdn_stack *stack=find_stack_by_port(port); - if (!msg) { - cb_log(0, port, "misgn_lib_get_port: alloc_msg failed!\n"); - return -1; - } - frm=(iframe_t*)msg->data; - if (!stack ) { - cb_log(0, port, "There is no Stack for this port.\n"); - return -1; - } - /* activate bchannel */ - frm->prim = CC_STATUS_ENQUIRY | REQUEST; - - frm->addr = stack->upper_id| FLG_MSG_DOWN; - - frm->dinfo = 0; - frm->len = 0; - - msg_queue_tail(&glob_mgr->activatequeue, msg); - sem_post(&glob_mgr->new_msg); - - - return 0; -} - - -int queue_cleanup_bc(struct misdn_bchannel *bc) -{ - msg_t *msg=alloc_msg(MAX_MSG_SIZE); - iframe_t *frm; - if (!msg) { - cb_log(0, bc->port, "misgn_lib_get_port: alloc_msg failed!\n"); - return -1; - } - frm=(iframe_t*)msg->data; - - /* activate bchannel */ - frm->prim = MGR_CLEARSTACK| REQUEST; - - frm->addr = bc->l3_id; - - frm->dinfo = bc->port; - frm->len = 0; - - msg_queue_tail(&glob_mgr->activatequeue, msg); - sem_post(&glob_mgr->new_msg); - - return 0; - -} - -int misdn_lib_pid_restart(int pid) -{ - struct misdn_bchannel *bc=manager_find_bc_by_pid(pid); - - if (bc) { - manager_clean_bc(bc); - } - return 0; -} - -/*Sends Restart message for every bchnanel*/ -int misdn_lib_send_restart(int port, int channel) -{ - struct misdn_stack *stack=find_stack_by_port(port); - struct misdn_bchannel dummybc; - /*default is all channels*/ - cb_log(0, port, "Sending Restarts on this port.\n"); - - misdn_make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0); - - /*default is all channels*/ - if (channel <0) { - dummybc.channel=-1; - cb_log(0, port, "Restarting and all Interfaces\n"); - misdn_lib_send_event(&dummybc, EVENT_RESTART); - - return 0; - } - - /*if a channel is specified we restart only this one*/ - if (channel >0) { - int cnt; - dummybc.channel=channel; - cb_log(0, port, "Restarting and cleaning channel %d\n",channel); - misdn_lib_send_event(&dummybc, EVENT_RESTART); - /* clean up chan in stack, to be sure we don't think it's - * in use anymore */ - for (cnt=0; cnt<=stack->b_num; cnt++) { - if (stack->bc[cnt].channel == channel) { - empty_bc(&stack->bc[cnt]); - clean_up_bc(&stack->bc[cnt]); - stack->bc[cnt].in_use=0; - } - } - } - - return 0; -} - -/*reinitializes the L2/L3*/ -int misdn_lib_port_restart(int port) -{ - struct misdn_stack *stack=find_stack_by_port(port); - - cb_log(0, port, "Restarting this port.\n"); - if (stack) { - cb_log(0, port, "Stack:%p\n",stack); - - clear_l3(stack); - { - msg_t *msg=alloc_msg(MAX_MSG_SIZE); - iframe_t *frm; - - if (!msg) { - cb_log(0, port, "port_restart: alloc_msg failed\n"); - return -1; - } - - frm=(iframe_t*)msg->data; - /* we must activate if we are deactivated */ - /* activate bchannel */ - frm->prim = DL_RELEASE | REQUEST; - frm->addr = stack->upper_id | FLG_MSG_DOWN; - - frm->dinfo = 0; - frm->len = 0; - msg_queue_tail(&glob_mgr->activatequeue, msg); - sem_post(&glob_mgr->new_msg); - } - - if (stack->nt) - misdn_lib_reinit_nt_stack(stack->port); - - } - - return 0; -} - - - -sem_t handler_started; - -static void manager_event_handler(void *arg) -{ - sem_post(&handler_started); - while (1) { - struct misdn_stack *stack; - msg_t *msg; - - /** wait for events **/ - sem_wait(&glob_mgr->new_msg); - - for (msg=msg_dequeue(&glob_mgr->activatequeue); - msg; - msg=msg_dequeue(&glob_mgr->activatequeue) - ) - { - - iframe_t *frm = (iframe_t*) msg->data ; - - switch ( frm->prim) { - - case MGR_CLEARSTACK | REQUEST: - /*a queued bchannel cleanup*/ - { - struct misdn_stack *stack=find_stack_by_port(frm->dinfo); - struct misdn_bchannel *bc; - if (!stack) { - cb_log(0,0,"no stack found with port [%d]!! so we cannot cleanup the bc\n",frm->dinfo); - free_msg(msg); - break; - } - - bc = find_bc_by_l3id(stack, frm->addr); - if (bc) { - cb_log(1,bc->port,"CLEARSTACK queued, cleaning up\n"); - clean_up_bc(bc); - } else { - cb_log(0,stack->port,"bc could not be cleaned correctly !! addr [%x]\n",frm->addr); - } - } - free_msg(msg); - break; - case MGR_SETSTACK | REQUEST : - break; - default: - mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC); - free_msg(msg); - } - } - - for (stack=glob_mgr->stack_list; - stack; - stack=stack->next ) { - - while ( (msg=msg_dequeue(&stack->upqueue)) ) { - /** Handle L2/3 Signalling after bchans **/ - if (!handle_frm_nt(msg)) { - /* Maybe it's TE */ - if (!handle_frm(msg)) { - /* wow none! */ - cb_log(0,stack->port,"Wow we've got a strange issue while dequeueing a Frame\n"); - } - } - } - - /* Here we should check if we really want to - send all the messages we've queued, lets - assume we've queued a Disconnect, but - received it already from the other side!*/ - - while ( (msg=msg_dequeue(&stack->downqueue)) ) { - if (stack->nt ) { - if (stack->nst.manager_l3(&stack->nst, msg)) - cb_log(0, stack->port, "Error@ Sending Message in NT-Stack.\n"); - - } else { - iframe_t *frm = (iframe_t *)msg->data; - struct misdn_bchannel *bc = find_bc_by_l3id(stack, frm->dinfo); - if (bc) - send_msg(glob_mgr->midev, bc, msg); - else { - if (frm->dinfo == MISDN_ID_GLOBAL || frm->dinfo == MISDN_ID_DUMMY ) { - struct misdn_bchannel dummybc; - cb_log(5,0," --> GLOBAL/DUMMY\n"); - misdn_make_dummy(&dummybc, stack->port, frm->dinfo, stack->nt, 0); - send_msg(glob_mgr->midev, &dummybc, msg); - } else { - cb_log(0,0,"No bc for Message\n"); - } - } - } - } - } - } -} - - -int misdn_lib_maxports_get() { /** BE AWARE WE HAVE NO CB_LOG HERE! **/ - - int i = mISDN_open(); - int max=0; - - if (i<0) - return -1; - - max = mISDN_get_stack_count(i); - - mISDN_close(i); - - return max; -} - - -void misdn_lib_nt_keepcalls( int kc) -{ -#ifdef FEATURE_NET_KEEPCALLS - if (kc) { - struct misdn_stack *stack=get_misdn_stack(); - for ( ; stack; stack=stack->next) { - stack->nst.feature |= FEATURE_NET_KEEPCALLS; - } - } -#endif -} - -void misdn_lib_nt_debug_init( int flags, char *file ) -{ - int static init=0; - char *f; - - if (!flags) - f=NULL; - else - f=file; - - if (!init) { - debug_init( flags , f, f, f); - init=1; - } else { - debug_close(); - debug_init( flags , f, f, f); - } -} - - -int misdn_lib_init(char *portlist, struct misdn_lib_iface *iface, void *user_data) -{ - struct misdn_lib *mgr=calloc(1, sizeof(struct misdn_lib)); - char *tok, *tokb; - char plist[1024]; - int midev; - int port_count=0; - - cb_log = iface->cb_log; - cb_event = iface->cb_event; - cb_jb_empty = iface->cb_jb_empty; - - glob_mgr = mgr; - - msg_init(); - - misdn_lib_nt_debug_init(0,NULL); - - if (!portlist || (*portlist == 0) ) return 1; - - init_flip_bits(); - - { - strncpy(plist,portlist, 1024); - plist[1023] = 0; - } - - memcpy(tone_425_flip,tone_425,TONE_425_SIZE); - flip_buf_bits(tone_425_flip,TONE_425_SIZE); - - memcpy(tone_silence_flip,tone_SILENCE,TONE_SILENCE_SIZE); - flip_buf_bits(tone_silence_flip,TONE_SILENCE_SIZE); - - midev=te_lib_init(); - mgr->midev=midev; - - port_count=mISDN_get_stack_count(midev); - - msg_queue_init(&mgr->activatequeue); - - if (sem_init(&mgr->new_msg, 1, 0)<0) - sem_init(&mgr->new_msg, 0, 0); - - for (tok=strtok_r(plist," ,",&tokb ); - tok; - tok=strtok_r(NULL," ,",&tokb)) { - int port = atoi(tok); - struct misdn_stack *stack; - static int first=1; - int ptp=0; - - if (strstr(tok, "ptp")) - ptp=1; - - if (port > port_count) { - cb_log(0, port, "Couldn't Initialize this port since we have only %d ports\n", port_count); - exit(1); - } - stack=stack_init(midev, port, ptp); - - if (!stack) { - perror("init_stack"); - exit(1); - } - - { - int i; - for(i=0;i<=stack->b_num; i++) { - int r; - if ((r=init_bc(stack, &stack->bc[i], stack->midev,port,i, "", 1))<0) { - cb_log(0, port, "Got Err @ init_bc :%d\n",r); - exit(1); - } - } - } - - if (stack && first) { - mgr->stack_list=stack; - first=0; - continue; - } - - if (stack) { - struct misdn_stack * help; - for ( help=mgr->stack_list; help; help=help->next ) - if (help->next == NULL) break; - help->next=stack; - } - - } - - if (sem_init(&handler_started, 1, 0)<0) - sem_init(&handler_started, 0, 0); - - cb_log(8, 0, "Starting Event Handler\n"); - pthread_create( &mgr->event_handler_thread, NULL,(void*)manager_event_handler, mgr); - - sem_wait(&handler_started) ; - cb_log(8, 0, "Starting Event Catcher\n"); - pthread_create( &mgr->event_thread, NULL, (void*)misdn_lib_isdn_event_catcher, mgr); - - cb_log(8, 0, "Event Catcher started\n"); - - global_state= MISDN_INITIALIZED; - - return (mgr == NULL); -} - -void misdn_lib_destroy() -{ - struct misdn_stack *help; - int i; - - for ( help=glob_mgr->stack_list; help; help=help->next ) { - for(i=0;i<=help->b_num; i++) { - char buf[1024]; - mISDN_write_frame(help->midev, buf, help->bc[i].addr, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); - help->bc[i].addr = 0; - } - cb_log (1, help->port, "Destroying this port.\n"); - stack_destroy(help); - } - - if (global_state == MISDN_INITIALIZED) { - cb_log(4, 0, "Killing Handler Thread\n"); - if ( pthread_cancel(glob_mgr->event_handler_thread) == 0 ) { - cb_log(4, 0, "Joining Handler Thread\n"); - pthread_join(glob_mgr->event_handler_thread, NULL); - } - - cb_log(4, 0, "Killing Main Thread\n"); - if ( pthread_cancel(glob_mgr->event_thread) == 0 ) { - cb_log(4, 0, "Joining Main Thread\n"); - pthread_join(glob_mgr->event_thread, NULL); - } - } - - cb_log(1, 0, "Closing mISDN device\n"); - te_lib_destroy(glob_mgr->midev); -} - -char *manager_isdn_get_info(enum event_e event) -{ - return isdn_get_info(msgs_g , event, 0); -} - -void manager_bchannel_activate(struct misdn_bchannel *bc) -{ - char buf[128]; - - struct misdn_stack *stack=get_stack_by_bc(bc); - - if (!stack) { - cb_log(0, bc->port, "bchannel_activate: Stack not found !"); - return ; - } - - /* we must activate if we are deactivated */ - clear_ibuffer(bc->astbuf); - - cb_log(5, stack->port, "$$$ Bchan Activated addr %x\n", bc->addr); - - mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_ESTABLISH | REQUEST, 0,0, NULL, TIMEOUT_1SEC); - - return ; -} - - -void manager_bchannel_deactivate(struct misdn_bchannel * bc) -{ - - struct misdn_stack *stack=get_stack_by_bc(bc); - iframe_t dact; - char buf[128]; - - switch (bc->bc_state) { - case BCHAN_ACTIVATED: - break; - case BCHAN_BRIDGED: - misdn_split_conf(bc,bc->conf_id); - break; - default: - cb_log( 4, bc->port,"bchan_deactivate: called but not activated\n"); - return ; - - } - - cb_log(5, stack->port, "$$$ Bchan deActivated addr %x\n", bc->addr); - - bc->generate_tone=0; - - dact.prim = DL_RELEASE | REQUEST; - dact.addr = bc->addr | FLG_MSG_DOWN; - dact.dinfo = 0; - dact.len = 0; - mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_RELEASE|REQUEST,0,0,NULL, TIMEOUT_1SEC); - - clear_ibuffer(bc->astbuf); - - bc_state_change(bc,BCHAN_RELEASE); - - return; -} - - -int misdn_lib_tx2misdn_frm(struct misdn_bchannel *bc, void *data, int len) -{ - struct misdn_stack *stack=get_stack_by_bc(bc); - char buf[4096 + mISDN_HEADER_LEN]; - iframe_t *frm = (iframe_t*)buf; - int r; - - switch (bc->bc_state) { - case BCHAN_ACTIVATED: - case BCHAN_BRIDGED: - break; - default: - cb_log(3, bc->port, "BC not yet activated (state:%s)\n",bc_state2str(bc->bc_state)); - return -1; - } - - frm->prim = DL_DATA|REQUEST; - frm->dinfo = 0; - frm->addr = bc->addr | FLG_MSG_DOWN ; - - frm->len = len; - memcpy(&buf[mISDN_HEADER_LEN], data,len); - - if ( misdn_cap_is_speech(bc->capability) ) - flip_buf_bits( &buf[mISDN_HEADER_LEN], len); - else - cb_log(6, stack->port, "Writing %d data bytes\n",len); - - cb_log(9, stack->port, "Writing %d bytes 2 mISDN\n",len); - r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_INFINIT); - return 0; -} - - - -/* - * send control information to the channel (dsp-module) - */ -void manager_ph_control(struct misdn_bchannel *bc, int c1, int c2) -{ - unsigned char buffer[mISDN_HEADER_LEN+2*sizeof(int)]; - iframe_t *ctrl = (iframe_t *)buffer; /* preload data */ - unsigned int *d = (unsigned int*)&ctrl->data.p; - /*struct misdn_stack *stack=get_stack_by_bc(bc);*/ - - cb_log(4,bc->port,"ph_control: c1:%x c2:%x\n",c1,c2); - - ctrl->prim = PH_CONTROL | REQUEST; - ctrl->addr = bc->addr | FLG_MSG_DOWN; - ctrl->dinfo = 0; - ctrl->len = sizeof(unsigned int)*2; - *d++ = c1; - *d++ = c2; - mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC); -} - -/* - * allow live control of channel parameters - */ -void isdn_lib_update_rxgain (struct misdn_bchannel *bc) -{ - manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain); -} - -void isdn_lib_update_txgain (struct misdn_bchannel *bc) -{ - manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain); -} - -void isdn_lib_update_ec (struct misdn_bchannel *bc) -{ -#ifdef MISDN_1_2 - if (*bc->pipeline) -#else - if (bc->ec_enable) -#endif - manager_ec_enable(bc); - else - manager_ec_disable(bc); -} - -void isdn_lib_stop_dtmf (struct misdn_bchannel *bc) -{ - manager_ph_control(bc, DTMF_TONE_STOP, 0); -} - -/* - * send control information to the channel (dsp-module) - */ -void manager_ph_control_block(struct misdn_bchannel *bc, int c1, void *c2, int c2_len) -{ - unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+c2_len]; - iframe_t *ctrl = (iframe_t *)buffer; - unsigned int *d = (unsigned int *)&ctrl->data.p; - /*struct misdn_stack *stack=get_stack_by_bc(bc);*/ - - ctrl->prim = PH_CONTROL | REQUEST; - ctrl->addr = bc->addr | FLG_MSG_DOWN; - ctrl->dinfo = 0; - ctrl->len = sizeof(unsigned int) + c2_len; - *d++ = c1; - memcpy(d, c2, c2_len); - mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC); -} - - - - -void manager_clean_bc(struct misdn_bchannel *bc ) -{ - struct misdn_stack *stack=get_stack_by_bc(bc); - - if (bc->channel>0) - empty_chan_in_stack(stack, bc->channel); - empty_bc(bc); - bc->in_use=0; - - cb_event(EVENT_CLEANUP, bc, NULL); -} - - -void stack_holder_add(struct misdn_stack *stack, struct misdn_bchannel *holder) -{ - struct misdn_bchannel *help; - cb_log(4,stack->port, "*HOLDER: add %x\n",holder->l3_id); - - holder->stack_holder=1; - - if (!stack ) return ; - - holder->next=NULL; - - if (!stack->holding) { - stack->holding = holder; - return; - } - - for (help=stack->holding; - help; - help=help->next) { - if (!help->next) { - help->next=holder; - break; - } - } - -} - -void stack_holder_remove(struct misdn_stack *stack, struct misdn_bchannel *holder) -{ - struct misdn_bchannel *h1; - - if (!holder->stack_holder) return; - - holder->stack_holder=0; - - cb_log(4,stack->port, "*HOLDER: remove %x\n",holder->l3_id); - if (!stack || ! stack->holding) return; - - if (holder == stack->holding) { - stack->holding = stack->holding->next; - return; - } - - for (h1=stack->holding; - h1; - h1=h1->next) { - if (h1->next == holder) { - h1->next=h1->next->next; - return ; - } - } -} - -struct misdn_bchannel *stack_holder_find_bychan(struct misdn_stack *stack, int chan) -{ - struct misdn_bchannel *help; - - cb_log(4,stack?stack->port:0, "*HOLDER: find_bychan %c\n", chan); - - if (!stack) return NULL; - - for (help=stack->holding; - help; - help=help->next) { - if (help->channel == chan) { - cb_log(4,stack->port, "*HOLDER: found_bychan bc\n"); - return help; - } - } - - cb_log(4,stack->port, "*HOLDER: find_bychan nothing\n"); - return NULL; - -} - -struct misdn_bchannel *stack_holder_find(struct misdn_stack *stack, unsigned long l3id) -{ - struct misdn_bchannel *help; - - cb_log(4,stack?stack->port:0, "*HOLDER: find %x\n",l3id); - - if (!stack) return NULL; - - for (help=stack->holding; - help; - help=help->next) { - if (help->l3_id == l3id) { - cb_log(4,stack->port, "*HOLDER: found bc\n"); - return help; - } - } - - cb_log(4,stack->port, "*HOLDER: find nothing\n"); - return NULL; -} - - - -void misdn_lib_send_tone(struct misdn_bchannel *bc, enum tone_e tone) -{ - char buf[mISDN_HEADER_LEN + 128] = ""; - iframe_t *frm = (iframe_t*)buf; - - switch(tone) { - case TONE_DIAL: - manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_DIALTONE); - break; - - case TONE_ALERTING: - manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_RINGING); - break; - - case TONE_HANGUP: - manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_HANGUP); - break; - - case TONE_NONE: - default: - manager_ph_control(bc, TONE_PATT_OFF, TONE_GERMAN_HANGUP); - } - - frm->prim=DL_DATA|REQUEST; - frm->addr=bc->addr|FLG_MSG_DOWN; - frm->dinfo=0; - frm->len=128; - - mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC); -} - - -void manager_ec_enable(struct misdn_bchannel *bc) -{ - struct misdn_stack *stack=get_stack_by_bc(bc); - - cb_log(4, stack?stack->port:0,"ec_enable\n"); - - if (!misdn_cap_is_speech(bc->capability)) { - cb_log(1, stack?stack->port:0, " --> no speech? cannot enable EC\n"); - } else { - -#ifdef MISDN_1_2 - if (*bc->pipeline) { - cb_log(3, stack?stack->port:0,"Sending Control PIPELINE_CFG %s\n",bc->pipeline); - manager_ph_control_block(bc, PIPELINE_CFG, bc->pipeline, strlen(bc->pipeline) + 1); - } -#else - int ec_arr[2]; - - if (bc->ec_enable) { - cb_log(3, stack?stack->port:0,"Sending Control ECHOCAN_ON taps:%d\n",bc->ec_deftaps); - - switch (bc->ec_deftaps) { - case 4: - case 8: - case 16: - case 32: - case 64: - case 128: - case 256: - case 512: - case 1024: - cb_log(4, stack->port, "Taps is %d\n",bc->ec_deftaps); - break; - default: - cb_log(0, stack->port, "Taps should be power of 2\n"); - bc->ec_deftaps=128; - } - - ec_arr[0]=bc->ec_deftaps; - ec_arr[1]=0; - - manager_ph_control_block(bc, ECHOCAN_ON, ec_arr, sizeof(ec_arr)); - } -#endif - } -} - - - -void manager_ec_disable(struct misdn_bchannel *bc) -{ - struct misdn_stack *stack=get_stack_by_bc(bc); - - cb_log(4, stack?stack->port:0," --> ec_disable\n"); - - if (!misdn_cap_is_speech(bc->capability)) { - cb_log(1, stack?stack->port:0, " --> no speech? cannot disable EC\n"); - return; - } - -#ifdef MISDN_1_2 - manager_ph_control_block(bc, PIPELINE_CFG, "", 0); -#else - if ( ! bc->ec_enable) { - cb_log(3, stack?stack->port:0, "Sending Control ECHOCAN_OFF\n"); - manager_ph_control(bc, ECHOCAN_OFF, 0); - } -#endif -} - -struct misdn_stack* get_misdn_stack() { - return glob_mgr->stack_list; -} - - - -void misdn_join_conf(struct misdn_bchannel *bc, int conf_id) -{ - char data[16] = ""; - - bc_state_change(bc,BCHAN_BRIDGED); - manager_ph_control(bc, CMX_RECEIVE_OFF, 0); - manager_ph_control(bc, CMX_CONF_JOIN, conf_id); - - cb_log(3,bc->port, "Joining bc:%x in conf:%d\n",bc->addr,conf_id); - - misdn_lib_tx2misdn_frm(bc, data, sizeof(data) - 1); -} - - -void misdn_split_conf(struct misdn_bchannel *bc, int conf_id) -{ - bc_state_change(bc,BCHAN_ACTIVATED); - manager_ph_control(bc, CMX_RECEIVE_ON, 0); - manager_ph_control(bc, CMX_CONF_SPLIT, conf_id); - - cb_log(4,bc->port, "Splitting bc:%x in conf:%d\n",bc->addr,conf_id); -} - -void misdn_lib_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2) { - int conf_id = bc1->pid + 1; - struct misdn_bchannel *bc_list[] = { bc1, bc2, NULL }; - struct misdn_bchannel **bc; - - cb_log(4, bc1->port, "I Send: BRIDGE from:%d to:%d\n",bc1->port,bc2->port); - - for (bc=bc_list; *bc; bc++) { - (*bc)->conf_id=conf_id; - cb_log(4, (*bc)->port, " --> bc_addr:%x\n",(*bc)->addr); - - switch((*bc)->bc_state) { - case BCHAN_ACTIVATED: - misdn_join_conf(*bc,conf_id); - break; - default: - bc_next_state_change(*bc,BCHAN_BRIDGED); - break; - } - } -} - -void misdn_lib_split_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2) -{ - - struct misdn_bchannel *bc_list[]={ - bc1,bc2,NULL - }; - struct misdn_bchannel **bc; - - for (bc=bc_list; *bc; bc++) { - if ( (*bc)->bc_state == BCHAN_BRIDGED){ - misdn_split_conf( *bc, (*bc)->conf_id); - } else { - cb_log( 2, (*bc)->port, "BC not bridged (state:%s) so not splitting it\n",bc_state2str((*bc)->bc_state)); - } - } - -} - - - -void misdn_lib_echo(struct misdn_bchannel *bc, int onoff) -{ - cb_log(3,bc->port, " --> ECHO %s\n", onoff?"ON":"OFF"); - manager_ph_control(bc, onoff?CMX_ECHO_ON:CMX_ECHO_OFF, 0); -} - - - -void misdn_lib_reinit_nt_stack(int port) -{ - struct misdn_stack *stack=find_stack_by_port(port); - - if (stack) { - stack->l2link=0; - stack->blocked=0; - - cleanup_Isdnl3(&stack->nst); - cleanup_Isdnl2(&stack->nst); - - - memset(&stack->nst, 0, sizeof(net_stack_t)); - memset(&stack->mgr, 0, sizeof(manager_t)); - - stack->mgr.nst = &stack->nst; - stack->nst.manager = &stack->mgr; - - stack->nst.l3_manager = handle_event_nt; - stack->nst.device = glob_mgr->midev; - stack->nst.cardnr = port; - stack->nst.d_stid = stack->d_stid; - - stack->nst.feature = FEATURE_NET_HOLD; - if (stack->ptp) - stack->nst.feature |= FEATURE_NET_PTP; - if (stack->pri) - stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID; - - stack->nst.l1_id = stack->lower_id; - stack->nst.l2_id = stack->upper_id; - - msg_queue_init(&stack->nst.down_queue); - - Isdnl2Init(&stack->nst); - Isdnl3Init(&stack->nst); - - if (!stack->ptp) - misdn_lib_get_l1_up(stack); - misdn_lib_get_l2_up(stack); - } -} - - |