diff options
Diffstat (limited to '1.2-netsec/channels/misdn/isdn_lib.c')
| -rw-r--r-- | 1.2-netsec/channels/misdn/isdn_lib.c | 3308 |
1 files changed, 0 insertions, 3308 deletions
diff --git a/1.2-netsec/channels/misdn/isdn_lib.c b/1.2-netsec/channels/misdn/isdn_lib.c deleted file mode 100644 index aa1d51cea..000000000 --- a/1.2-netsec/channels/misdn/isdn_lib.c +++ /dev/null @@ -1,3308 +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 - */ - -#include "isdn_lib_intern.h" - - -int misdn_ibuf_freecount(void *buf) -{ - return ibuf_freecount( (ibuffer_t*)buf); -} - -int misdn_ibuf_usedcount(void *buf) -{ - return ibuf_usedcount( (ibuffer_t*)buf); -} - -void misdn_ibuf_memcpy_r(char *to, void *buf, int len) -{ - ibuf_memcpy_r( to, (ibuffer_t*)buf, len); -} - -void misdn_ibuf_memcpy_w(void *buf, char *from, int len) -{ - ibuf_memcpy_w((ibuffer_t*)buf, from, len); -} - -struct misdn_stack* get_misdn_stack( void ); - - -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; -} - - -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, "* Stack Addr: Port %d Type %s Prot. %s L2Link %s L1Link:%s", stack->upper_id & IF_CONTRMASK, stack->mode==NT_MODE?"NT":"TE", stack->ptp?"PTP":"PMP", stack->l2link?"UP":"DOWN", stack->l1link?"UP":"DOWN"); - } 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 - -struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id); - -int setup_bc(struct misdn_bchannel *bc); - -int manager_isdn_handler(iframe_t *frm ,msg_t *msg); - -int misdn_lib_port_restart(int port); - -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; - -unsigned char tone_425_flip[TONE_425_SIZE]; -unsigned 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_te_init(int midev, int port, int ptp); -void stack_te_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); -unsigned char * manager_flip_buf_bits ( unsigned char * buf , int len); -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); - -int isdn_msg_get_index(struct isdn_msg msgs[], msg_t *frm, int nt); -enum event_e isdn_msg_get_event(struct isdn_msg msgs[], msg_t *frm, int nt); -int isdn_msg_parse_event(struct isdn_msg msgs[], msg_t *frm, struct misdn_bchannel *bc, int nt); -char * isdn_get_info(struct isdn_msg msgs[], enum event_e event, int nt); -msg_t * isdn_msg_build_event(struct isdn_msg msgs[], struct misdn_bchannel *bc, enum event_e event, int nt); -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]; - -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 unsigned char * flip_buf_bits ( unsigned char * buf , int len) -{ - int i; - char * start = buf; - - for (i = 0 ; i < len; i++) { - buf[i] = flip_table[buf[i]]; - } - - return start; -} - - - - -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); -} - - -int send_msg (int midev, struct misdn_bchannel *bc, msg_t *dmsg) -{ - iframe_t *frm; - frm = (iframe_t *)dmsg->data; - struct misdn_stack *stack=get_stack_by_bc(bc); - - frm->addr = (stack->upper_id & IF_ADDRMASK) | IF_DOWN ; - frm->dinfo = bc->l3_id; - - frm->len = (dmsg->len) - mISDN_HEADER_LEN; - - mISDN_write(midev, dmsg->data, dmsg->len, TIMEOUT_1SEC); - - free_msg(dmsg); - - return 0; -} - - -static int mypid=0; - -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; -} - - -void dump_chan_list(struct misdn_stack *stack) -{ - int i; - - for (i=0; i <stack->b_num; i++) { - cb_log(3, stack->port, "Idx:%d stack->cchan:%d Chan:%d\n",i,stack->channels[i], i+1); - } -} - - - - -static int find_free_chan_in_stack(struct misdn_stack *stack, int channel) -{ - int i; - - if (channel < 0 || channel > MAX_BCHANS) { - cb_log(4, stack->port, " !! out of bound call to find_free_chan_in_stack! (port:%d ch:%d)\n", stack->port, channel); - return 0; - } - - channel--; - - for (i = 0; i < stack->b_num; i++) { - if (i != 15 && (channel < 0 || i == channel)) { /* skip E1 Dchannel ;) and work with chan preselection */ - if (!stack->channels[i]) { - cb_log (4, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1); - stack->channels[i] = 1; - return i+1; - } - } - } - - cb_log (4, stack->port, " !! NO FREE CHAN IN STACK\n"); - dump_chan_list(stack); - - return 0; -} - -int empty_chan_in_stack(struct misdn_stack *stack, int channel) -{ - cb_log (4, stack?stack->port:0, " --> empty chan %d\n",channel); - stack->channels[channel-1] = 0; - dump_chan_list(stack); - return 0; -} - - -void empty_bc(struct misdn_bchannel *bc) -{ - bc->state=STATE_NOTHING; - - bc->channel = 0; - bc->in_use = 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->tone=TONE_NONE; - bc->tone_cnt2 = bc->tone_cnt=0; - - bc->dnumplan=NUMPLAN_UNKNOWN; - bc->onumplan=NUMPLAN_UNKNOWN; - bc->rnumplan=NUMPLAN_UNKNOWN; - - - bc->active = 0; - - bc->early_bconnect = 1; - - bc->ec_enable = 0; - bc->ec_deftaps = 128; - bc->ec_whenbridged = 0; - bc->ec_training = 1; - - - 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=0; - bc->user1=0; - bc->async=0; - bc->urate=0; - - - - bc->info_dad[0] = 0; - bc->display[0] = 0; - bc->infos_pending[0] = 0; - bc->oad[0] = 0; - bc->dad[0] = 0; - bc->orig_dad[0] = 0; - - bc->facility=FACILITY_NONE; - bc->facility_calldeflect_nr[0]=0; - - bc->te_choose_channel = 0; -} - - -int clean_up_bc(struct misdn_bchannel *bc) -{ - int ret=0; - unsigned char buff[32]; - struct misdn_stack * stack; - - if (!bc ) return -1; - stack=get_stack_by_bc(bc); - if (!stack) return -1; - - if (!bc->upset) { - cb_log(5, stack->port, "$$$ Already cleaned up bc with stid :%x\n", bc->b_stid); - return -1; - } - - cb_log(5, stack->port, "$$$ Cleaning up bc with stid :%x\n", bc->b_stid); - - - if ( misdn_cap_is_speech(bc->capability) && bc->ec_enable) { - manager_ec_disable(bc); - } - - mISDN_write_frame(stack->midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); - - - bc->b_stid = 0; - - bc->upset=0; - - return ret; -} - - - -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], glob_mgr->user_data); - empty_chan_in_stack(stack,i+1); - empty_bc(&stack->bc[i]); - clean_up_bc(&stack->bc[i]); - - } - - } -} - -int set_chan_in_stack(struct misdn_stack *stack, int channel) -{ - stack->channels[channel-1] = 1; - - return 0; -} - -int chan_in_stack_free(struct misdn_stack *stack, int channel) -{ - if (stack->channels[channel-1]) - return 0; - - return 1; -} - - - -static int newteid=0; - -#ifdef MISDNUSER_JOLLY -#define MAXPROCS 0x100 -#else -#define MAXPROCS 0x10 -#endif - - -int misdn_lib_get_l1_up(struct misdn_stack *stack) -{ - /* Pull Up L1 if we have JOLLY */ - iframe_t act; - act.prim = PH_ACTIVATE | REQUEST; - act.addr = (stack->upper_id & IF_ADDRMASK) | IF_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->mode == NT_MODE) ) { - 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 & IF_ADDRMASK) | IF_DOWN; - act.dinfo = 0; - act.len = 0; - return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); - } - - return 0; -} - - -int misdn_lib_get_l2_status(struct misdn_stack *stack) -{ - iframe_t act; - -#ifdef DL_STATUS - act.prim = DL_STATUS | REQUEST; -#else - act.prim = DL_ESTABLISH | REQUEST; -#endif - act.addr = (stack->upper_id & IF_ADDRMASK) | IF_DOWN; - act.dinfo = 0; - 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); - int free_chan; - - if (stack->mode == NT_MODE) { - free_chan = find_free_chan_in_stack(stack, bc->channel_preselected?bc->channel:0); - if (!free_chan) return -1; - bc->channel=free_chan; - - for (i=0; i <= MAXPROCS; i++) - if (stack->procids[i]==0) break; - - if (i== MAXPROCS) { - cb_log(0, stack->port, "Couldnt Create New ProcId Port:%d\n",stack->port); - return -1; - } - stack->procids[i]=1; - -#ifdef MISDNUSER_JOLLY - l3_id = 0xff00 | i; -#else - l3_id = 0xfff0 | i; -#endif - - ncr.prim = CC_NEW_CR | REQUEST; - ncr.addr = (stack->upper_id & IF_ADDRMASK) | IF_DOWN ; - ncr.dinfo = l3_id; - ncr.len = 0; - - bc->l3_id = l3_id; - if (mypid>5000) mypid=0; - bc->pid=mypid++; - - 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 */ - free_chan = find_free_chan_in_stack(stack, bc->channel_preselected?bc->channel:0); - if (!free_chan) return -1; - bc->channel=free_chan; - } 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 & IF_ADDRMASK) | IF_DOWN ; - ncr.dinfo =l3_id; - ncr.len = 0; - /* send message */ - - bc->l3_id = l3_id; - if (mypid>5000) mypid=0; - bc->pid=mypid++; - - 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) -{ - setup_bc(bc); -} - - -int setup_bc(struct misdn_bchannel *bc) -{ - unsigned char buff[1025]; - - mISDN_pid_t pid; - int ret; - - struct misdn_stack *stack=get_stack_by_bc(bc); - - int midev=stack->midev; - int channel=bc->channel-1-(bc->channel>16); - int b_stid=stack->b_stids[channel>=0?channel:0]; - - - if (bc->nodsp ) - clean_up_bc(bc); - - if ( !misdn_cap_is_speech(bc->capability)) - clean_up_bc(bc); - - - if (bc->upset) { - cb_log(4, stack->port, "$$$ bc already upsetted stid :%x\n", b_stid); - return -1; - } - - cb_log(5, stack->port, "$$$ Setting up bc with stid :%x\n", b_stid); - - if (b_stid <= 0) { - cb_log(0, stack->port," -- Stid <=0 at the moment on port:%d channel:%d\n",stack->port,channel); - 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 */ - - - if ( misdn_cap_is_speech(bc->capability) && !bc->nodsp && bc->async != 1) { - 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; - - } else { - 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; - } - - ret = mISDN_new_layer(midev, &li); - if (ret <= 0) { - cb_log(0, stack->port,"New Layer Err: %d %s port:%d\n",ret,strerror(errno), stack->port); - return(-EINVAL); - } - - bc->layer_id = ret; - } - - memset(&pid, 0, sizeof(pid)); - - bc->addr = ( bc->layer_id & IF_ADDRMASK) | IF_DOWN; - cb_log(4, stack->port," --> Got Adr %x\n", bc->addr); - cb_log(4, stack->port," --> Channel is %d\n", bc->channel); - - - if (bc->async == 1 || bc->nodsp) { - cb_log(4, 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 ( misdn_cap_is_speech(bc->capability)) { - cb_log(4, 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)); - - } else { - cb_log(4, 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)) ; - } - - ret = mISDN_set_stack(midev, bc->b_stid, &pid); - - - if (ret){ - cb_log(5, stack->port,"$$$ Set Stack Err: %d %s\n",ret,strerror(errno)); - - mISDN_write_frame(midev, buff, bc->addr, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC); - return(-EINVAL); - } - - bc->upset=1; - - 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(4, port, "Init.BC %d on port:%d\n",bidx, port); - - memset(bc, 0,sizeof(struct misdn_bchannel)); - - if (msn) { - int l = sizeof(bc->msn); - strncpy(bc->msn,msn, l); - bc->msn[l-1] = 0; - } - - - empty_bc(bc); - bc->upset=0; - bc->port=stack->port; - bc->nt=stack->mode==NT_MODE?1:0; - - { - ibuffer_t* ibuf= init_ibuffer(MISDN_IBUF_SIZE); - ibuffer_t* mbuf= init_ibuffer(MISDN_IBUF_SIZE); - - if (!ibuf) return -1; - if (!mbuf) return -1; - - clear_ibuffer( ibuf); - clear_ibuffer( mbuf); - - ibuf->rsem=malloc(sizeof(sem_t)); - mbuf->rsem=malloc(sizeof(sem_t)); - - bc->astbuf=ibuf; - bc->misdnbuf=mbuf; - - if (sem_init(ibuf->rsem,1,0)<0) - sem_init(ibuf->rsem,0,0); - if (sem_init(mbuf->rsem,1,0)< 0) - sem_init(mbuf->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 port:%d (ret=%d)\n", __FUNCTION__, port, ret); - return -1; - } - - stinf = (stack_info_t *)&frm->data.p; - - cb_log(4, port, " --> Child %x\n",stinf->child[bidx]); - } - - return 0; -} - - - -struct misdn_stack * stack_nt_init(struct misdn_stack *stack, int midev, int port) -{ - int ret; - layer_info_t li; - interface_info_t ii; - - - cb_log(4, port, "Init. Stack on port:%d\n",port); - stack->mode = NT_MODE; - - stack->lower_id = mISDN_get_layerid(midev, stack->d_stid, 1); - if (stack->lower_id <= 0) { - cb_log(0, port, "%s: Cannot get layer(%d) id of port:%d\n", __FUNCTION__, 1, port); - return(NULL); - } - - - memset(&li, 0, sizeof(li)); - { - int l = sizeof(li.name); - strncpy(li.name,"net l2", l); - li.name[l-1] = 0; - } - li.object_id = -1; - li.extentions = 0; - li.pid.protocol[2] = ISDN_PID_L2_LAPD_NET; - li.pid.layermask = ISDN_LAYER((2)); - li.st = stack->d_stid; - - - stack->upper_id = mISDN_new_layer(midev, &li); - if (stack->upper_id <= 0) { - cb_log(0, port, "%s: Cannot add layer %d of port:%d\n", __FUNCTION__, 2, port); - return(NULL); - } - - cb_log(4, port, "NT Stacks upper_id %x\n",stack->upper_id); - - memset(&ii, 0, sizeof(ii)); - ii.extentions = EXT_IF_EXCLUSIV; - ii.owner = stack->upper_id; - ii.peer = stack->lower_id; - ii.stat = IF_DOWN; - ret = mISDN_connect(midev, &ii); - if (ret) { - cb_log(0, port, "%s: Cannot connect layer %d of port:%d exclusively.\n", __FUNCTION__, 2, port); - return(NULL); - } - - /* create nst (nt-mode only) */ - { - 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; - -#ifdef MISDNUSER_JOLLY - 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; -#endif - - 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); - } - - misdn_lib_get_l1_up(stack); - - if (stack->ptp) { - misdn_lib_get_l2_up(stack); - stack->l2link=0; - } - - - return stack; -} - - -struct misdn_stack* stack_te_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; - interface_info_t ii; - struct misdn_stack *stack = malloc(sizeof(struct misdn_stack)); - if (!stack ) return NULL; - - - //cb_log(2, "Init. Stack on port:%d\n",port); - cb_log(4, port, "Init. Stack on port:%d\n",port); - - 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); - - /* 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 port:%d (ret=%d)\n", __FUNCTION__, port, 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: - //cb_log(2, "TE Stack\n"); - stack->mode = TE_MODE; - break; - case ISDN_PID_L0_NT_S0: - cb_log(4, port, "NT Stack\n"); - - return stack_nt_init(stack,midev,port); - break; - - case ISDN_PID_L0_TE_U: - break; - case ISDN_PID_L0_NT_U: - break; - case ISDN_PID_L0_TE_UP2: - break; - case ISDN_PID_L0_NT_UP2: - break; - case ISDN_PID_L0_TE_E1: - cb_log(4, port, "TE S2M Stack\n"); - stack->mode = TE_MODE; - stack->pri=1; - break; - case ISDN_PID_L0_NT_E1: - cb_log(4, port, "TE S2M Stack\n"); - stack->mode = NT_MODE; - stack->pri=1; - - return stack_nt_init(stack,midev,port); - break; - default: - cb_log(0, port, "unknown port(%d) type 0x%08x\n", port, stinf->pid.protocol[0]); - - } - - if (stinf->pid.protocol[2] & ISDN_PID_L2_DF_PTP ) { /* || (nt&&ptp) || pri */ - stack->ptp = 1; - } else { - stack->ptp = 0; - } - - stack->lower_id = mISDN_get_layerid(midev, stack->d_stid, 3); - if (stack->lower_id <= 0) { - cb_log(0, stack->port, "No lower Id port:%d\n", stack->port); - return(NULL); - } - - memset(&li, 0, sizeof(li)); - { - int l = sizeof(li.name); - strncpy(li.name, "user L4", l); - li.name[l-1] = 0; - } - li.object_id = -1; - li.extentions = 0; - - li.pid.protocol[4] = ISDN_PID_L4_CAPI20; - - li.pid.layermask = ISDN_LAYER((4)); - li.st = stack->d_stid; - stack->upper_id = mISDN_new_layer(midev, &li); - - if (stack->upper_id <= 0) { - cb_log(0, stack->port, "No Upper ID port:%d\n",stack->port); - return(NULL); - } - - memset(&ii, 0, sizeof(ii)); - ii.extentions = EXT_IF_EXCLUSIV | EXT_IF_CREATE; - ii.owner = stack->upper_id; - ii.peer = stack->lower_id; - ii.stat = IF_DOWN; - ret = mISDN_connect(midev, &ii); - if (ret) { - cb_log(0, stack->port, "No Connect port:%d\n", stack->port); - return NULL; - } - - misdn_lib_get_l1_up(stack); - misdn_lib_get_l2_status(stack); - - /* initially, we assume that the link is NOT up */ - stack->l2link = 0; - stack->l1link = 0; - - stack->next=NULL; - - return stack; - -} - -void stack_te_destroy(struct misdn_stack* stack) -{ - char buf[1024]; - if (!stack) return; - - 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); -} - - -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 == addr) return stack; - } - - return NULL; -} - - -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; -} - -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; -} - -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); -} - -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; -} - - -struct misdn_bchannel *find_bc_by_addr(unsigned long addr) -{ - int port = addr & IF_CONTRMASK; - struct misdn_stack* stack; - int i; - - - for (stack=glob_mgr->stack_list; - stack; - stack=stack->next) { - - if (stack->port == port) { - for (i=0; i< stack->b_num; i++) { - if (stack->bc[i].addr==addr) { - return &stack->bc[i]; - } - } - } - } - - return NULL; -} - - - - -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->mode == TE_MODE) { - switch (event) { - - case EVENT_CONNECT_ACKNOWLEDGE: - manager_bchannel_activate(bc); - break; - case EVENT_CONNECT: - - if ( *bc->crypt_key ) { - cb_log(4, stack->port, "ENABLING BLOWFISH port:%d channel:%d oad%d:%s dad%d:%s\n", stack->port, 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_SETUP: - if (bc->channel>0 && bc->channel<255) - set_chan_in_stack(stack, bc->channel); - break; - case EVENT_ALERTING: - case EVENT_PROGRESS: - case EVENT_PROCEEDING: - case EVENT_SETUP_ACKNOWLEDGE: - - { - struct misdn_stack *stack=find_stack_by_port(frm->addr&IF_CONTRMASK); - if (!stack) return -1; - - if (bc->channel == 0xff) { - bc->channel=find_free_chan_in_stack(stack, 0); - if (!bc->channel) { - cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n"); - break; - } - } - - if (stack->mode == TE_MODE) { - setup_bc(bc); - } - } - - default: - break; - } - } else { /** NT MODE **/ - - } - return 0; -} - -int handle_new_process(struct misdn_stack *stack, iframe_t *frm) -{ - - struct misdn_bchannel* bc=misdn_lib_get_free_bc(frm->addr&IF_CONTRMASK, 0); - - if (!bc) { - cb_log(0, 0, " --> !! lib: No free channel!\n"); - return -1; - } - - cb_log(4, stack->port, " --> new_process: New L3Id: %x\n",frm->dinfo); - bc->l3_id=frm->dinfo; - - if (mypid>5000) mypid=0; - bc->pid=mypid++; - return 0; -} - -int handle_cr ( iframe_t *frm) -{ - struct misdn_stack *stack=find_stack_by_port(frm->addr&IF_CONTRMASK); - - if (!stack) return -1; - - switch (frm->prim) { - case CC_NEW_CR|INDICATION: - cb_log(4, stack->port, " --> lib: NEW_CR Ind with l3id:%x port:%d\n",frm->dinfo, stack->port); - handle_new_process(stack, frm); - 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 port:%d\n", frm->dinfo, stack->port); - memset (&dummybc,0,sizeof(dummybc)); - dummybc.port=stack->port; - dummybc.l3_id=frm->dinfo; - bc=&dummybc; - } - - if (bc) { - cb_log(4, stack->port, " --> lib: CLEANING UP l3id: %x\n",frm->dinfo); - empty_chan_in_stack(stack,bc->channel); - empty_bc(bc); - clean_up_bc(bc); - dump_chan_list(stack); - bc->pid = 0; - cb_event(EVENT_CLEANUP, bc, glob_mgr->user_data); - - if (bc->stack_holder) { - cb_log(4,stack->port, "REMOVEING Holder\n"); - stack_holder_remove( stack, bc); - free(bc); - } - } - else { - if (stack->mode == NT_MODE) - 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); -} - - - - -int misdn_lib_get_port_up (int port) -{ /* Pull Up L1 if we have JOLLY */ - 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_send_facility(struct misdn_bchannel *bc, enum facility_type fac, void *data) -{ - bc->facility=fac; - strcpy(bc->facility_calldeflect_nr,(char*)data); - - misdn_lib_send_event(bc,EVENT_FACILITY); - return 0; -} - - -int misdn_lib_port_up(int port) -{ - struct misdn_stack *stack; - - for (stack=glob_mgr->stack_list; - stack; - stack=stack->next) { - - if (stack->port == port) { - if (stack->mode == NT_MODE) { - if (stack->l1link) - return 1; - else - return 0; - } else { - if (stack->l1link) - return 1; - else - return 0; - } - - } - } - - return -1; -} - - -int -handle_event_nt(void *dat, void *arg) -{ - manager_t *mgr = (manager_t *)dat; - msg_t *msg = (msg_t *)arg; -#ifdef MISDNUSER_JOLLY - mISDNuser_head_t *hh; -#else - mISDN_head_t *hh; -#endif - struct misdn_stack *stack=find_stack_by_mgr(mgr); - int port; - - if (!msg || !mgr) - return(-EINVAL); - -#ifdef MISDNUSER_JOLLY - hh=(mISDNuser_head_t*)msg->data; -#else - hh=(mISDN_head_t*)msg->data; -#endif - - port=hh->dinfo & IF_CONTRMASK; - - cb_log(4, stack->port, " --> lib: prim %x dinfo %x port: %d\n",hh->prim, hh->dinfo ,stack->port); - - { - switch(hh->prim){ - - case CC_RETRIEVE|INDICATION: - { - iframe_t frm; /* fake te frm to add callref to global callreflist */ - frm.dinfo = hh->dinfo; - frm.addr=stack->upper_id; - frm.prim = CC_NEW_CR|INDICATION; - - if (handle_cr(&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; - } - - struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo); - cb_event(EVENT_NEW_BC, bc, glob_mgr->user_data); - struct misdn_bchannel *hold_bc=stack_holder_find(stack,bc->l3_id); - if (hold_bc) { - cb_log(4, stack->port, "REMOVEING Holder\n"); - stack_holder_remove(stack, hold_bc); - free(hold_bc); - } - - } - - 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, bc?stack->port:0, " --> lib: Event_ind:SETUP CONFIRM [NT] : new L3ID is %x\n",l3id ); - - if (!bc) { cb_log(4, 0, "Bc Not found (after SETUP CONFIRM)\n"); return 0; } - - bc->l3_id=l3id; - cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data); - } - free_msg(msg); - return 0; - - case CC_SETUP|INDICATION: - { - iframe_t frm; /* fake te frm to add callref to global callreflist */ - frm.dinfo = hh->dinfo; - frm.addr=stack->upper_id; - frm.prim = CC_NEW_CR|INDICATION; - - if (handle_cr(&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; - } - } - break; - - - case CC_CONNECT|INDICATION: - case CC_ALERTING|INDICATION: - case CC_PROCEEDING|INDICATION: - - { - struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo); - - if (!bc) { - msg_t *dmsg; - cb_log(0, stack->port,"!!!! We didn't found our bc, dinfo:%x port:%d\n",hh->dinfo, stack->port); - - cb_log(0, stack->port, "Releaseing call %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; - - } - - setup_bc(bc); - } - 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) { //repair reject bug - int myprocid=bc->l3_id&0x0000ffff; - hh->dinfo=(hh->dinfo&0xffff0000)|myprocid; - cb_log(4,stack->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); - cb_log(4, stack->port, " --> RELEASE CONFIRM, sending RELEASE_COMPLETE\n"); - if (bc) misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE); - } - hh->prim=CC_RELEASE|INDICATION; - break; - case CC_RELEASE|INDICATION: - break; - - case CC_RELEASE_CR|INDICATION: - { - 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; - frm.prim = CC_RELEASE_CR|INDICATION; - cb_log(4, stack->port, " --> Faking Realease_cr for %x\n",frm.addr); - /** removing procid **/ - - if (!bc) { - cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on port:%d\n", hh->dinfo, stack->port); - memset (&dummybc,0,sizeof(dummybc)); - dummybc.port=stack->port; - dummybc.l3_id=hh->dinfo; - bc=&dummybc; - } - - if (bc) { -#ifdef MISDNUSER_JOLLY - if ( (bc->l3_id & 0xff00) == 0xff00) { - cb_log(4, stack->port, " --> Removing Process Id:%x on port:%d\n", bc->l3_id&0xff, stack->port); - stack->procids[bc->l3_id&0xff] = 0 ; - } -#else - if ( (bc->l3_id & 0xfff0) == 0xfff0) { - cb_log(4, stack->port, " --> Removing Process Id:%x on port:%d\n", bc->l3_id&0xf, stack->port); - stack->procids[bc->l3_id&0xf] = 0 ; - - } - -#endif - - } - else cb_log(0, stack->port, "Couldnt find BC so I couldnt remove the Process!!!! this is bad Port:%d\n", stack->port ); - - handle_cr(&frm); - 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, 0, " --> In NEW_CR: didn't found bc ??\n"); return -1;}; -#ifdef MISDNUSER_JOLLY - if (((l3id&0xff00)!=0xff00) && ((bc->l3_id&0xff00)==0xff00)) { - cb_log(4, stack->port, " --> Removing Process Id:%x on port:%d\n", 0xff&bc->l3_id, stack->port); - stack->procids[bc->l3_id&0xff] = 0 ; - } -#else - if (((l3id&0xfff0)!=0xfff0) && ((bc->l3_id&0xfff0)==0xfff0)) { - cb_log(4, stack->port, "Removing Process Id:%x on port:%d\n", 0xf&bc->l3_id, stack->port); - stack->procids[bc->l3_id&0xf] = 0 ; - } - -#endif - 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(4, stack->port, "%% GOT L2 Activate Info port:%d\n",stack->port); - stack->l2link = 1; - - free_msg(msg); - return 0; - } - break; - - case DL_RELEASE | INDICATION: - case DL_RELEASE | CONFIRM: - { - cb_log(4, stack->port, "%% GOT L2 DeActivate Info port:%d\n",stack->port); - stack->l2link = 0; - - /** Clean the L3 here **/ - if (cb_clearl3_true()) - clear_l3(stack); - - 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) on port:%d\n", hh->dinfo, stack->port); - memset (&dummybc,0,sizeof(dummybc)); - dummybc.port=stack->port; - dummybc.l3_id=hh->dinfo; - bc=&dummybc; - } - if (bc ) { - isdn_msg_parse_event(msgs_g,msg,bc, 1); - - 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 { - 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; -} - - -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->mode != NT_MODE) 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; -} - - - - -static int do_tone(struct misdn_bchannel *bc, int len) -{ - char buf[4096 + mISDN_HEADER_LEN]; - iframe_t *frm= (iframe_t*)buf; - int r; - struct misdn_stack *stack=get_stack_by_bc(bc); - - if (bc->tone == TONE_NONE) return 0; - - frm->prim = DL_DATA|REQUEST; - frm->dinfo = 0; - frm->addr = bc->addr | IF_DOWN; - - bc->tone_cnt+=len; - - if (bc->tone_cnt < TONE_425_SIZE) return 1; - - switch(bc->tone) { - case TONE_DIAL: - { - frm->len = TONE_425_SIZE; - memcpy(&buf[mISDN_HEADER_LEN], tone_425_flip,TONE_425_SIZE); - - r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_1SEC); - if (r<frm->len) { - perror("Error written less than told bytes :(\n"); - } - } - break; - - case TONE_ALERTING: - bc->tone_cnt2++; - - if (bc->tone_cnt2 <= TONE_ALERT_CNT) { - frm->len = TONE_425_SIZE; - memcpy(&buf[mISDN_HEADER_LEN], tone_425_flip,TONE_425_SIZE); - r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_1SEC); - if (r<frm->len) { - perror("Error written less than told bytes :(\n"); - } - } else if (bc->tone_cnt2 <= (TONE_ALERT_SILENCE_CNT)) { - frm->len = TONE_SILENCE_SIZE; - memcpy(&buf[mISDN_HEADER_LEN], tone_silence_flip ,TONE_SILENCE_SIZE); - r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_1SEC); - } else { - bc->tone_cnt2=-1; - } - break; - case TONE_BUSY: - bc->tone_cnt2++; - - if (bc->tone_cnt2 <= TONE_BUSY_CNT) { - frm->len = TONE_425_SIZE; - memcpy(&buf[mISDN_HEADER_LEN], tone_425_flip,TONE_425_SIZE); - r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_1SEC); - if (r<frm->len) { - perror("Error written less than told bytes :(\n"); - } - } else if (bc->tone_cnt2 <= (TONE_BUSY_SILENCE_CNT)) { - frm->len = TONE_SILENCE_SIZE; - memcpy(&buf[mISDN_HEADER_LEN], tone_silence_flip ,TONE_SILENCE_SIZE); - r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_1SEC); - } else { - bc->tone_cnt2=-1; - } - break; - case TONE_FILE: - break; - case TONE_NONE: - return 0; - } - - bc->tone_cnt -= TONE_425_SIZE ; - return 1; -} - - - -int handle_bchan(msg_t *msg) -{ - iframe_t *frm= (iframe_t*)msg->data; - struct misdn_bchannel *bc; - - bc=find_bc_by_addr(frm->addr); - - if (!bc) return 0 ; - - struct misdn_stack *stack=get_stack_by_bc(bc); - - if (!stack) return 0; - - switch (frm->prim) { - case PH_ACTIVATE | INDICATION: - case DL_ESTABLISH | INDICATION: - cb_log(4, stack->port, "BCHAN: ACT Ind\n"); - free_msg(msg); - return 1; - - case PH_ACTIVATE | CONFIRM: - case DL_ESTABLISH | CONFIRM: - cb_log(4, stack->port, "BCHAN: bchan ACT Confirm\n"); - free_msg(msg); - - return 1; - - case PH_DEACTIVATE | INDICATION: - case DL_RELEASE | INDICATION: - cb_log (4, stack->port, "BCHAN: DeACT Ind\n"); - free_msg(msg); - return 1; - - case PH_DEACTIVATE | CONFIRM: - case DL_RELEASE | CONFIRM: - cb_log(4, stack->port, "BCHAN: DeACT Conf\n"); - free_msg(msg); - return 1; - - case PH_CONTROL|INDICATION: - { - unsigned long cont = *((unsigned long *)&frm->data.p); - - cb_log(4, stack->port, "PH_CONTROL: port:%d channel:%d oad%d:%s dad%d:%s \n", stack->port, 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|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 MISDN_DEBUG - cb_log(0, stack->port, "DL_DATA INDICATION Len %d\n", frm->len); -#endif - - if (bc->active && frm->len > 0) { - if ( !do_tone(bc, frm->len) ) { - - if ( misdn_cap_is_speech(bc->capability)) { - if ( !bc->nojitter ) { - char buf[4096 + mISDN_HEADER_LEN]; - iframe_t *txfrm= (iframe_t*)buf; - int len, r; - - len = ibuf_usedcount(bc->misdnbuf); - - if (len < frm->len) { - /** send nothing - * till we are synced - **/ - } else { - - txfrm->prim = DL_DATA|REQUEST; - txfrm->dinfo = 0; - txfrm->addr = bc->addr; /* | IF_DOWN; */ - txfrm->len = frm->len; - ibuf_memcpy_r(&buf[mISDN_HEADER_LEN], bc->misdnbuf,frm->len); - cb_log(9, stack->port, "Transmitting %d samples 2 misdn\n", txfrm->len); - - r=mISDN_write(stack->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 ); - - } - - } - } - - cb_event( EVENT_BCHAN_DATA, bc, glob_mgr->user_data); - } - } - 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; - break; - case DL_DATA|RESPONSE: -#if MISDN_DEBUG - cb_log(0, stack->port, "Data response\n"); -#endif - break; - - case DL_DATA | REQUEST: - break; - } - - return 0; -} - - - -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_ADDRMASK ) ); - - if (!stack || stack->mode != NT_MODE) { - 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 port:%d\n", err,stack->port); - } else if (nt_err_cnt < 105){ - cb_log(0, stack->port, "NT Stack sends us error: %d port:%d over 100 times, so I'll stop this message\n", err,stack->port); - nt_err_cnt = - 1; - } - } - free_msg(msg); - return 1; - - } - - return 1; -} - - -int handle_frm(msg_t *msg) -{ - iframe_t *frm = (iframe_t*) msg->data; - struct misdn_stack *stack=find_stack_by_addr(frm->addr & IF_ADDRMASK); - - if (!stack || stack->mode != TE_MODE) { - return 0; - } - - { - struct misdn_bchannel *bc; - - if(handle_cr(frm)) { - free_msg(msg); - return 1; - } - - bc=find_bc_by_l3id(stack, frm->dinfo); - - if (bc ) { - enum event_e event = isdn_msg_get_event(msgs_g, msg, 0); - enum event_response_e response=RESPONSE_OK; - - isdn_msg_parse_event(msgs_g,msg,bc, 0); - - /** Preprocess some Events **/ - handle_event(bc, event, frm); - /* 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: port:%d\n", frm->addr&IF_CONTRMASK); - break; - case RESPONSE_IGNORE_SETUP: - /* I think we should send CC_RELEASE_CR, but am not sure*/ - empty_chan_in_stack(stack, bc->channel); - empty_bc(bc); - - cb_log(0, stack->port, "GOT IGNORE SETUP: port:%d\n", frm->addr&IF_CONTRMASK); - break; - case RESPONSE_OK: - cb_log(4, stack->port, "GOT SETUP OK: port:%d\n", frm->addr&IF_CONTRMASK); - break; - default: - break; - } - } - - cb_log(5, stack->port, "Freeing Msg on prim:%x port:%d\n",frm->prim, frm->addr&IF_CONTRMASK); - free_msg(msg); - return 1; -#endif - - } else { - cb_log(0, stack->port, "NO BC FOR STACK: port:%d\n", frm->addr&IF_CONTRMASK); - } - - } - cb_log(4, stack->port, "TE_FRM_HANDLER: Returning 0 on prim:%x port:%d\n",frm->prim, frm->addr&IF_CONTRMASK); - - return 0; -} - - -int handle_l1(msg_t *msg) -{ - iframe_t *frm = (iframe_t*) msg->data; - struct misdn_stack *stack = find_stack_by_port(frm->addr & IF_CONTRMASK); - int i ; - - if (!stack) return 0 ; - - switch (frm->prim) { - case PH_ACTIVATE | CONFIRM: - case PH_ACTIVATE | INDICATION: - cb_log (1, stack->port, "L1: PH L1Link Up! port:%d\n",stack->port); - stack->l1link=1; - - if (stack->mode==NT_MODE) { - - if (stack->nst.l1_l2(&stack->nst, msg)) - free_msg(msg); - } 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_DEACTIVATE | CONFIRM: - case PH_DEACTIVATE | INDICATION: - cb_log (1, stack->port, "L1: PH L1Link Down! port:%d\n",stack->port); - - for (i=0; i<stack->b_num; i++) { - if (global_state == MISDN_INITIALIZED) { - cb_event(EVENT_CLEANUP, &stack->bc[i], glob_mgr->user_data); - } - - } - - if (stack->mode==NT_MODE) { - 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; -} - -int handle_l2(msg_t *msg) -{ - iframe_t *frm = (iframe_t*) msg->data; - struct misdn_stack *stack = find_stack_by_addr(frm->addr & IF_ADDRMASK); - - if (!stack) return 0 ; - - switch(frm->prim) { - -#ifdef DL_STATUS - case DL_STATUS | INDICATION: - case DL_STATUS | CONFIRM: - cb_log (3, stack->port, "L2: DL_STATUS! port:%d\n", stack->port); - - switch (frm->dinfo) { - case SDL_ESTAB: - cb_log (4, stack->port, " --> SDL_ESTAB port:%d\n", stack->port); - stack->l1link=1; - goto dl_estab; - case SDL_REL: - cb_log (4, stack->port, " --> SDL_REL port:%d\n", stack->port); - stack->l1link=0; - misdn_lib_get_l2_up(stack); - goto dl_rel; - } - break; -#endif - - - case DL_ESTABLISH | INDICATION: - case DL_ESTABLISH | CONFIRM: -#ifdef DL_STATUS - dl_estab: -#endif - { - cb_log (3, stack->port, "L2: L2Link Up! port:%d\n", stack->port); - stack->l2link=1; - free_msg(msg); - return 1; - } - break; - - case DL_RELEASE | INDICATION: - case DL_RELEASE | CONFIRM: -#ifdef DL_STATUS - dl_rel: -#endif - { - cb_log (3, stack->port, "L2: L2Link Down! port:%d\n", stack->port); - stack->l2link=0; - - free_msg(msg); - return 1; - } - break; - } - return 0; -} - - -int handle_mgmt(msg_t *msg) -{ - iframe_t *frm = (iframe_t*) msg->data; - - 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; -} - - -msg_t *fetch_msg(int midev) -{ - msg_t *msg=alloc_msg(MAX_MSG_SIZE); - int r; - fd_set rdfs; - - if (!msg) { - cb_log(0, 0, "fetch_msg: alloc msg failed !!"); - return NULL; - } - - FD_ZERO(&rdfs); - FD_SET(midev,&rdfs); - - mISDN_select(FD_SETSIZE, &rdfs, NULL, NULL, NULL); - - if (FD_ISSET(midev, &rdfs)) { - - r=mISDN_read(midev,msg->data,MAX_MSG_SIZE,0); - msg->len=r; - - if (r==0) { - free_msg(msg); /* danger, cauz usualy freeing in main_loop */ - printf ("Got empty Msg?\n"); - return NULL; - } - - return msg; - } else { - printf ("Select timeout\n"); - } - - return NULL; -} - - -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; - - //cb_log(5, 0, "In event_catcher thread\n"); - - while (1) { - msg_t *msg = fetch_msg(midev); - iframe_t *frm; - - - if (!msg) continue; - - frm = (iframe_t*) msg->data; - port = frm->addr&IF_CONTRMASK; - - /** 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; - - memset(buff,0,1025); - - 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); -} - - - -struct misdn_bchannel* misdn_lib_get_free_bc(int port, int channel) -{ - struct misdn_stack *stack; - int i; - - if (channel < 0 || channel > MAX_BCHANS) - return NULL; - - for (stack=glob_mgr->stack_list; stack; stack=stack->next) { - - if (stack->port == port) { - 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) { - return NULL; - } - } - } else - return NULL; - } - for (i = 0; i < stack->b_num; i++) { - if (!stack->bc[i].in_use) { - stack->bc[i].channel = channel; - stack->bc[i].channel_preselected = channel?1:0; - stack->bc[i].in_use = 1; - return &stack->bc[i]; - } - } - return NULL; - } - } - return NULL; -} - -void misdn_lib_log_ies(struct misdn_bchannel *bc) -{ - if (!bc) return; - - struct misdn_stack *stack=get_stack_by_bc(bc); - - if (!stack) return; - - cb_log(2, stack->port, " --> mode:%s cause:%d ocause:%d rad:%s\n", stack->mode==NT_MODE?"NT":"TE", bc->cause, bc->out_cause, bc->rad); - - cb_log(2, stack->port, - " --> info_dad:%s onumplan:%c dnumplan:%c rnumplan:%c\n", - bc->info_dad, - bc->onumplan>=0?'0'+bc->onumplan:' ', - bc->dnumplan>=0?'0'+bc->dnumplan:' ', - bc->rnumplan>=0?'0'+bc->rnumplan:' ' - ); - - cb_log(2, stack->port, " --> channel:%d caps:%s pi:%x keypad:%s\n", bc->channel, bearer2str(bc->capability),bc->progress_indicator, bc->keypad); - - cb_log(3, stack->port, " --> urate:%d rate:%d mode:%d user1:%d\n", bc->urate, bc->rate, bc->mode,bc->user1); - - cb_log(3, stack->port, " --> pid:%d addr:%x l3id:%x\n", bc->pid, bc->addr, bc->l3_id); - - cb_log(4, stack->port, " --> bc:%x h:%d sh:%d\n", bc, bc->holded, bc->stack_holder); -} - -int misdn_lib_send_event(struct misdn_bchannel *bc, enum event_e event ) -{ - msg_t *msg; - int err = -1 ; - - if (!bc) goto ERR; - - struct misdn_stack *stack=get_stack_by_bc(bc); - - if ( stack->mode == NT_MODE && !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)); - { /* Pull Up L1 */ - iframe_t act; - act.prim = PH_ACTIVATE | REQUEST; - act.addr = (stack->upper_id & IF_ADDRMASK) | IF_DOWN ; - act.dinfo = 0; - act.len = 0; - mISDN_write(glob_mgr->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC); - } - - return 0; - } - - cb_log(1, stack->port, "I SEND:%s oad:%s dad:%s port:%d\n", isdn_get_info(msgs_g, event, 0), bc->oad, bc->dad, stack->port); - 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"); - err=-ENOCHAN; - goto ERR; - } - break; - - case EVENT_CONNECT: - case EVENT_PROGRESS: - case EVENT_ALERTING: - case EVENT_PROCEEDING: - case EVENT_SETUP_ACKNOWLEDGE: - case EVENT_RETRIEVE_ACKNOWLEDGE: - - if (stack->mode == NT_MODE) { - if (bc->channel <=0 ) { /* else we have the channel already */ - bc->channel = find_free_chan_in_stack(stack, 0); - if (!bc->channel) { - cb_log(0, stack->port, " No free channel at the moment\n"); - err=-ENOCHAN; - goto ERR; - } - } - /* Its that i generate channels */ - } - - setup_bc(bc); - - - if ( event == EVENT_CONNECT ) { - if ( *bc->crypt_key ) { - cb_log(4, stack->port, " --> ENABLING BLOWFISH port:%d channel:%d oad%d:%s dad%d:%s \n", stack->port, 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); - - if (bc->ec_enable) 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); - } - } - } - - if (event == EVENT_RETRIEVE_ACKNOWLEDGE) { - manager_bchannel_activate(bc); - } - - break; - - case EVENT_HOLD_ACKNOWLEDGE: - { - struct misdn_bchannel *holded_bc=malloc(sizeof(struct misdn_bchannel)); - - memcpy(holded_bc,bc,sizeof(struct misdn_bchannel)); - - holded_bc->holded=1; - stack_holder_add(stack,holded_bc); - - if (stack->mode == NT_MODE) { - empty_chan_in_stack(stack,bc->channel); - empty_bc(bc); - clean_up_bc(bc); - } - - /** we set it up later at RETRIEVE_ACK again.**/ - holded_bc->upset=0; - holded_bc->active=0; - - cb_event( EVENT_NEW_BC, holded_bc, glob_mgr->user_data); - } - break; - - case EVENT_RELEASE: - break; - - case EVENT_RELEASE_COMPLETE: - empty_chan_in_stack(stack,bc->channel); - empty_bc(bc); - clean_up_bc(bc); - break; - - case EVENT_CONNECT_ACKNOWLEDGE: - - if (misdn_cap_is_speech(bc->capability)) { - if ( !bc->nodsp) manager_ph_control(bc, DTMF_TONE_START, 0); - if (bc->ec_enable) 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->mode==NT_MODE?1:0); - msg_queue_tail(&stack->downqueue, msg); - sem_post(&glob_mgr->new_msg); - - return 0; - - ERR: - return -1; -} - - - -int manager_isdn_handler(iframe_t *frm ,msg_t *msg) -{ - - if (frm->dinfo==(signed long)0xffffffff && frm->prim==(PH_DATA|CONFIRM)) { - printf("SERIOUS BUG, dinfo == 0xffffffff, prim == PH_DATA | CONFIRM !!!!\n"); - } - - 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_bchan(msg)) - return 0 ; - - /** Handle L2/3 Signalling after bchans **/ - if (handle_frm_nt(msg)) - return 0 ; - - if (handle_frm(msg)) - return 0 ; - - cb_log(0, frm->addr&IF_CONTRMASK, "Unhandled Message: prim %x len %d from addr %x, dinfo %x on port: %d\n",frm->prim, frm->len, frm->addr, frm->dinfo, frm->addr&IF_CONTRMASK); - - 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 on Port:%d\n",port); - return -1; - } - /* activate bchannel */ - frm->prim = CC_STATUS_ENQUIRY | REQUEST; - frm->addr = stack->upper_id; - frm->dinfo = 0; - frm->len = 0; - - msg_queue_tail(&glob_mgr->activatequeue, msg); - sem_post(&glob_mgr->new_msg); - - - return 0; -} - -int misdn_lib_port_restart(int port) -{ - struct misdn_stack *stack=find_stack_by_port(port); - - cb_log(0, port, "Restarting Port:%d\n",port); - 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 fialed\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 ; - frm->dinfo = 0; - frm->len = 0; - msg_queue_tail(&glob_mgr->activatequeue, msg); - sem_post(&glob_mgr->new_msg); - } - return 0; - - stack_te_destroy(stack); - - { - struct misdn_stack *tmpstack; - struct misdn_stack *newstack=stack_te_init(stack->midev ,port, stack->ptp); - - - if (stack == glob_mgr->stack_list) { - struct misdn_stack *n=glob_mgr->stack_list->next; - glob_mgr->stack_list = newstack ; - glob_mgr->stack_list->next = n; - } else { - for (tmpstack=glob_mgr->stack_list; - tmpstack->next; - tmpstack=tmpstack->next) - if (tmpstack->next == stack) break; - - if (!tmpstack->next) { - cb_log(0, port, "Stack to restart not found\n"); - return 0; - } else { - struct misdn_stack *n=tmpstack->next->next; - tmpstack->next=newstack; - newstack->next=n; - } - } - - { - int i; - for(i=0;i<newstack->b_num; i++) { - int r; - if ((r=init_bc(newstack, &newstack->bc[i], newstack->midev,port,i, "", 1))<0) { - cb_log(0, port, "Got Err @ init_bc :%d\n",r); - return 0; - } - } - } - - free(stack); - } - } - - return 0; -} - - - -sem_t handler_started; - -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_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->downqueue)) ) { - - if (stack->mode == NT_MODE ){ - - if (stack->nst.manager_l3(&stack->nst, msg)) - cb_log(0, stack->port, "Error@ Sending Message in NT-Stack.\n"); - - } else { - if (msg) { - 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); - } - } - } - } - } -} - - -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; -} - -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_clearl3_true = iface->cb_clearl3_true; - - glob_mgr = mgr; - - msg_init(); - debug_init(0 , NULL, NULL, 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 Port:%d since we have only %d ports\n",port, port_count); - exit(1); - } - stack=stack_te_init(midev, port, ptp); - - - - if (!stack) { - perror("init_stack"); - exit(1); - } - - if (stack && first) { - mgr->stack_list=stack; - first=0; - { - 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); - } - } - } - - continue; - } - - if (stack) { - struct misdn_stack * help; - for ( help=mgr->stack_list; help; help=help->next ) - if (help->next == NULL) break; - - - help->next=stack; - - { - 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 (sem_init(&handler_started, 1, 0)<0) - sem_init(&handler_started, 0, 0); - - cb_log(4, 0, "Starting Event Handler\n"); - pthread_create( &mgr->event_handler_thread, NULL,(void*)manager_event_handler, mgr); - - sem_wait(&handler_started) ; - cb_log(4, 0, "Starting Event Catcher\n"); - pthread_create( &mgr->event_thread, NULL, (void*)misdn_lib_isdn_event_catcher, mgr); - - cb_log(4, 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 port:%d\n", help->port); - stack_te_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) -{ - msg_t *msg=alloc_msg(MAX_MSG_SIZE); - iframe_t *frm; - - struct misdn_stack *stack=get_stack_by_bc(bc); - - if (!msg) { - cb_log(0, stack->port, "bchannel_activate: alloc_msg failed !"); - return ; - } - - frm=(iframe_t*)msg->data; - /* we must activate if we are deactivated */ - clear_ibuffer(bc->misdnbuf); - clear_ibuffer(bc->astbuf); - - - if (bc->active) return; - - cb_log(5, stack->port, "$$$ Bchan Activated addr %x\n", bc->addr); - - /* activate bchannel */ - frm->prim = DL_ESTABLISH | REQUEST; - frm->addr = bc->addr ; - frm->dinfo = 0; - frm->len = 0; - - msg_queue_tail(&glob_mgr->activatequeue, msg); - sem_post(&glob_mgr->new_msg); - - bc->active=1; - - return ; - -} - - -void manager_bchannel_deactivate(struct misdn_bchannel * bc) -{ - iframe_t dact; - - struct misdn_stack *stack=get_stack_by_bc(bc); - if (!bc->active) return; - - cb_log(5, stack->port, "$$$ Bchan deActivated addr %x\n", bc->addr); - - bc->tone=TONE_NONE; - - dact.prim = DL_RELEASE | REQUEST; - dact.addr = bc->addr; - dact.dinfo = 0; - dact.len = 0; - - mISDN_write(stack->midev, &dact, mISDN_HEADER_LEN+dact.len, TIMEOUT_1SEC); - clear_ibuffer(bc->misdnbuf); - clear_ibuffer(bc->astbuf); - bc->active=0; - - return; -} - - -int manager_tx2misdn_frm(struct misdn_bchannel *bc, void *data, int len) -{ - - struct misdn_stack *stack=get_stack_by_bc(bc); - if (!bc->active) return -1; - - if ( misdn_cap_is_speech(bc->capability) ) - flip_buf_bits(data,len); - - if ( !bc->nojitter && misdn_cap_is_speech(bc->capability) ) { - if (len > ibuf_freecount(bc->misdnbuf)) { - len=ibuf_freecount(bc->misdnbuf); - } - ibuf_memcpy_w(bc->misdnbuf, (unsigned char*)data, len); - } else { - char buf[4096 + mISDN_HEADER_LEN]; - iframe_t *frm= (iframe_t*)buf; - int r; - - frm->prim = DL_DATA|REQUEST; - frm->dinfo = 0; - frm->addr = bc->addr | IF_DOWN; - frm->len = len; - memcpy(&buf[mISDN_HEADER_LEN], data,len); - - - - if ( misdn_cap_is_speech(bc->capability)) - cb_log(4, stack->port, "Writing %d bytes\n",len); - - cb_log(9, stack->port, "Wrinting %d bytes 2 mISDN\n",len); - r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_INFINIT); - } - - return 0; -} - - - - -void manager_send_tone (struct misdn_bchannel *bc, enum tone_e tone) -{ - if (tone != TONE_NONE) manager_bchannel_activate(bc); - bc->tone=tone; - bc->tone_cnt2=-1; - bc->tone_cnt=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+sizeof(int)+sizeof(int)]; - iframe_t *ctrl = (iframe_t *)buffer; /* preload data */ - unsigned long *d = (unsigned long *)&ctrl->data.p; - struct misdn_stack *stack=get_stack_by_bc(bc); - - ctrl->prim = PH_CONTROL | REQUEST; - ctrl->addr = bc->addr; - ctrl->dinfo = 0; - ctrl->len = sizeof(unsigned long)*2; - *d++ = c1; - *d++ = c2; - mISDN_write(stack->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC); -} - -/* - * 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 long *d = (unsigned long *)&ctrl->data.p; - struct misdn_stack *stack=get_stack_by_bc(bc); - - ctrl->prim = PH_CONTROL | REQUEST; - ctrl->addr = bc->addr; - ctrl->dinfo = 0; - ctrl->len = sizeof(unsigned long) + c2_len; - *d++ = c1; - memcpy(d, c2, c2_len); - mISDN_write(stack->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->state == STATE_CONNECTED) - misdn_lib_send_event(bc,EVENT_DISCONNECT); - - empty_chan_in_stack(stack, bc->channel); - empty_bc(bc); - - misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE); -} - - -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; - } - } - -} - -void stack_holder_remove(struct misdn_stack *stack, struct misdn_bchannel *holder) -{ - struct misdn_bchannel *h1; - - if (!holder->stack_holder) return; - - 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(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 manager_ec_enable(struct misdn_bchannel *bc) -{ - int ec_arr[2]; - - struct misdn_stack *stack=get_stack_by_bc(bc); - - cb_log(1, stack?stack->port:0,"Sending Control ECHOCAN_ON taps:%d training:%d\n",bc->ec_deftaps, bc->ec_training); - - 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]=bc->ec_training; - - manager_ph_control_block(bc, ECHOCAN_ON, ec_arr, sizeof(ec_arr)); -} - - - -void manager_ec_disable(struct misdn_bchannel *bc) -{ - struct misdn_stack *stack=get_stack_by_bc(bc); - - cb_log(1, stack?stack->port:0, "Sending Control ECHOCAN_OFF\n"); - manager_ph_control(bc, ECHOCAN_OFF, 0); -} - -struct misdn_stack* get_misdn_stack() { - return glob_mgr->stack_list; -} - - - -void misdn_lib_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2) { - manager_ph_control(bc1, CMX_RECEIVE_OFF, 0); - manager_ph_control(bc2, CMX_RECEIVE_OFF, 0); - - manager_ph_control(bc1, CMX_CONF_JOIN, (bc1->pid<<1) +1); - manager_ph_control(bc2, CMX_CONF_JOIN, (bc1->pid<<1) +1); -} - -void misdn_lib_split_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2) -{ - - manager_ph_control(bc1, CMX_RECEIVE_ON, 0) ; - manager_ph_control(bc2, CMX_RECEIVE_ON, 0); - - manager_ph_control(bc1, CMX_CONF_SPLIT, (bc1->pid<<1) +1); - manager_ph_control(bc2, CMX_CONF_SPLIT, (bc1->pid<<1) +1); - -} |