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-rw-r--r--1.2-netsec/channels/chan_modem_bestdata.c613
1 files changed, 0 insertions, 613 deletions
diff --git a/1.2-netsec/channels/chan_modem_bestdata.c b/1.2-netsec/channels/chan_modem_bestdata.c
deleted file mode 100644
index e54a66a49..000000000
--- a/1.2-netsec/channels/chan_modem_bestdata.c
+++ /dev/null
@@ -1,613 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999, Mark Spencer and 2001 Jim Dixon
- *
- * Mark Spencer <markster@linux-support.net>
- * Jim Dixon <jim@lambdatel.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*
- *
- * BestData 56SX-92 Voice Modem Driver (Conexant)
- *
- * \ingroup channel_drivers
- */
-
-#include <stdio.h>
-
-#include <string.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <unistd.h>
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include "asterisk/lock.h"
-#include "asterisk/vmodem.h"
-#include "asterisk/module.h"
-#include "asterisk/frame.h"
-#include "asterisk/logger.h"
-#include "asterisk/options.h"
-
-#define STATE_COMMAND 0
-#define STATE_VOICE 1
-#define STATE_VOICEPLAY 2
-
-#define VRA "40" /* Number of 100ms of non-ring after a ring cadence after which we consider the lien to be answered */
-#define VRN "25" /* Number of 100ms of non-ring with no cadence after which we assume an answer */
-
-#define RINGT 7000
-
-static char *breakcmd = "\020!";
-
-static char *desc = "BestData (Conexant V.90 Chipset) VoiceModem Driver";
-
-static int usecnt;
-AST_MUTEX_DEFINE_STATIC(usecnt_lock);
-
-static char *bestdata_idents[] = {
- /* Identify BestData Modem */
- "ACF3_V1.010-V90_P21_FSH",
- NULL
-};
-
-static int bestdata_break(struct ast_modem_pvt *p);
-
-static int bestdata_startrec(struct ast_modem_pvt *p)
-{
- if (p->ministate != STATE_COMMAND) bestdata_break(p);
- if (ast_modem_send(p, "AT+VRX", 0) ||
- ast_modem_expect(p, "CONNECT", 5)) {
- ast_log(LOG_WARNING, "Unable to start recording\n");
- return -1;
- }
- p->ministate = STATE_VOICE;
- return 0;
-}
-
-static int bestdata_startplay(struct ast_modem_pvt *p)
-{
- if (p->ministate != STATE_COMMAND) bestdata_break(p);
- if (ast_modem_send(p, "AT+VTX", 0) ||
- ast_modem_expect(p, "CONNECT", 5)) {
- ast_log(LOG_WARNING, "Unable to start recording\n");
- return -1;
- }
- p->ministate = STATE_VOICEPLAY;
- return 0;
-}
-
-static int bestdata_break(struct ast_modem_pvt *p)
-{
- if (ast_modem_send(p, breakcmd, 2)) {
- ast_log(LOG_WARNING, "Failed to break\n");
- return -1;
- }
- p->ministate = STATE_COMMAND;
- usleep(10000);
- /* Read any outstanding junk */
- while(!ast_modem_read_response(p, 1));
- if (ast_modem_send(p, "AT", 0)) {
- /* Modem might be stuck in some weird mode, try to get it out */
- ast_modem_send(p, "+++", 3);
- if (ast_modem_expect(p, "OK", 10)) {
- ast_log(LOG_WARNING, "Modem is not responding\n");
- return -1;
- }
- if (ast_modem_send(p, "AT", 0)) {
- ast_log(LOG_WARNING, "Modem is not responding\n");
- return -1;
- }
- }
- if (ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Modem did not respond properly\n");
- return -1;
- }
- return 0;
-}
-
-static int bestdata_init(struct ast_modem_pvt *p)
-{
- if (option_debug)
- ast_log(LOG_DEBUG, "bestdata_init()\n");
- if (bestdata_break(p))
- return -1;
- /* Force into command mode */
- p->ministate = STATE_COMMAND;
- if (ast_modem_send(p, "AT+FCLASS=8", 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to voice mode\n");
- return -1;
- }
- if (ast_modem_send(p, "AT+VSM=1,8000,0,0", 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to 8000 Hz sampling\n");
- return -1;
- }
- if (ast_modem_send(p, "AT+VLS=0", 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to telco interface\n");
- return -1;
- }
- if (ast_modem_send(p, "AT+VRA=" VRA, 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to 'ringback goes away' timer\n");
- return -1;
- }
- if (ast_modem_send(p, "AT+VRN=" VRN, 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to 'ringback never came timer'\n");
- return -1;
- }
- if (ast_modem_send(p, "AT+VTD=63", 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to tone detection\n");
- return -1;
- }
- if (ast_modem_send(p, "AT+VCID=1", 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to enable Caller*ID\n");
- return -1;
- }
- return 0;
-}
-
-static struct ast_frame *bestdata_handle_escape(struct ast_modem_pvt *p, char esc)
-{
- char name[30]="",nmbr[30]="";
- time_t now;
-
- /* Handle escaped characters -- but sometimes we call it directly as
- a quick way to cause known responses */
- p->fr.frametype = AST_FRAME_NULL;
- p->fr.subclass = 0;
- p->fr.data = NULL;
- p->fr.datalen = 0;
- p->fr.samples = 0;
- p->fr.offset = 0;
- p->fr.mallocd = 0;
- p->fr.delivery.tv_sec = 0;
- p->fr.delivery.tv_usec = 0;
- if (esc)
- ast_log(LOG_DEBUG, "Escaped character '%c'\n", esc);
-
- switch(esc) {
- case 'R': /* Pseudo ring */
- time(&now);
- if (now > (p->lastring + (RINGT / 1000)))
- { /* if stale, treat as new */
- p->gotclid = 0;
- }
- if (p->gotclid)
- {
- p->fr.frametype = AST_FRAME_CONTROL;
- p->fr.subclass = AST_CONTROL_RING;
- }
- p->ringt = RINGT;
- time(&p->lastring);
- return &p->fr;
- case 'X': /* Caller-ID Spill */
- if (p->gotclid) return &p->fr;
- name[0] = nmbr[0] = 0;
- for(;;)
- {
- char res[1000]="";
-
- if (ast_modem_read_response(p, 5)) break;
- strncpy(res, p->response, sizeof(res)-1);
- ast_modem_trim(res);
- if (!strncmp(res,"\020.",2)) break;
- if (!strncmp(res,"NAME",4)) strncpy(name,res + 7, sizeof(name) - 1);
- if (!strncmp(res,"NMBR",4)) strncpy(nmbr,res + 7, sizeof(nmbr) - 1);
- }
- p->gotclid = 1;
- if ((!strcmp(name,"O")) || (!strcmp(name,"P"))) name[0] = 0;
- if ((!strcmp(nmbr,"O")) || (!strcmp(nmbr,"P"))) nmbr[0] = 0;
- if (name[0])
- strncpy(p->cid_name, name, sizeof(p->cid_name) - 1);
- if (nmbr[0])
- strncpy(p->cid_num, nmbr, sizeof(p->cid_num) - 1);
- if (p->owner) {
- p->owner->cid.cid_num = strdup(p->cid_num);
- p->owner->cid.cid_name = strdup(p->cid_name);
- }
- return &p->fr;
- case '@': /* response from "OK" in command mode */
- if (p->owner)
- ast_setstate(p->owner, AST_STATE_UP);
- if (bestdata_startrec(p)) return NULL;
- p->fr.frametype = AST_FRAME_CONTROL;
- p->fr.subclass = AST_CONTROL_RING;
- return &p->fr;
- case 'b': /* Busy signal */
- p->fr.frametype = AST_FRAME_CONTROL;
- p->fr.subclass = AST_CONTROL_BUSY;
- return &p->fr;
- case 'o': /* Overrun */
- ast_log(LOG_WARNING, "Overflow on modem, flushing buffers\n");
- if (ast_modem_send(p, "\0x10E", 2))
- ast_log(LOG_WARNING, "Unable to flush buffers\n");
- return &p->fr;
- case '0': /* All the DTMF characters */
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- case '*':
- case '#':
- case 'A':
- case 'B':
- case 'C':
- case 'D':
- p->dtmfrx = esc; /* save this for when its done */
- return &p->fr;
- case '/': /* Start of DTMF tone shielding */
- p->dtmfrx = ' ';
- return &p->fr;
- case '~': /* DTMF transition to off */
- if (p->dtmfrx > ' ')
- {
- p->fr.frametype = AST_FRAME_DTMF;
- p->fr.subclass = p->dtmfrx;
- }
- p->dtmfrx = 0;
- return &p->fr;
- case 'u': /* Underrun */
- ast_log(LOG_WARNING, "Data underrun\n");
- /* Fall Through */
- case CHAR_ETX: /* End Transmission */
- case 'd': /* Dialtone */
- case 'c': /* Calling Tone */
- case 'e': /* European version */
- case 'a': /* Answer Tone */
- case 'f': /* Bell Answer Tone */
- case 'T': /* Timing mark */
- case 't': /* Handset off hook */
- case 'h': /* Handset hungup */
- case 0: /* Pseudo signal */
- /* Ignore */
- return &p->fr;
- default:
- ast_log(LOG_DEBUG, "Unknown Escaped character '%c' (%d)\n", esc, esc);
- }
- return &p->fr;
-}
-
-static struct ast_frame *bestdata_read(struct ast_modem_pvt *p)
-{
- char result[256];
- short *b;
- struct ast_frame *f=NULL;
- int res;
- int x;
-
- if (p->ministate == STATE_COMMAND) {
- /* Read the first two bytes, first, in case it's a control message */
- fread(result, 1, 2, p->f);
- if (result[0] == CHAR_DLE) {
- return bestdata_handle_escape(p, result[1]);
- } else {
- if (p->ringt) /* if ring timeout specified */
- {
- x = fileno(p->f);
- res = ast_waitfor_n_fd(&x, 1, &p->ringt, NULL);
- if (res < 0) {
- return NULL;
- }
- }
- if ((result[0] == '\n') || (result[0] == '\r'))
- return bestdata_handle_escape(p, 0);
- /* Read the rest of the line */
- fgets(result + 2, sizeof(result) - 2, p->f);
- ast_modem_trim(result);
- if (!strcasecmp(result, "OK")) {
- /* If we're in immediate mode, reply now */
- if (p->mode == MODEM_MODE_IMMEDIATE)
- return bestdata_handle_escape(p, '@');
- } else
- if (!strcasecmp(result, "BUSY")) {
- /* Same as a busy signal */
- return bestdata_handle_escape(p, 'b');
- } else
- if (!strcasecmp(result, "RING")) {
- return bestdata_handle_escape(p, 'R');
- } else
- if (!strcasecmp(result, "NO DIALTONE")) {
- /* There's no dialtone, so the line isn't working */
- ast_log(LOG_WARNING, "Device '%s' lacking dialtone\n", p->dev);
- return NULL;
- }
- ast_log(LOG_DEBUG, "Modem said '%s'\n", result);
- return bestdata_handle_escape(p, 0);
- }
- } else {
- /* if playing, start recording instead */
- if (p->ministate == STATE_VOICEPLAY)
- {
- if (bestdata_startrec(p)) return NULL;
- }
- /* We have to be more efficient in voice mode */
- b = (short *)(p->obuf + p->obuflen);
- while (p->obuflen/2 < 240) {
- /* Read ahead the full amount */
- res = fread(result, 1, 240 - p->obuflen/2, p->f);
- if (res < 1) {
- /* If there's nothing there, just continue on */
- if (errno == EAGAIN)
- return bestdata_handle_escape(p, 0);
- ast_log(LOG_WARNING, "Read failed: %s\n", strerror(errno));
- }
- for (x=0;x<res;x++) {
- /* Process all the bytes that we've read */
- if (result[x] == CHAR_DLE) {
- /* We assume there is no more than one signal frame among our
- data. */
- if (f) ast_log(LOG_WARNING, "Warning: Dropped a signal frame\n");
- /* if not a DLE in the data */
- if (result[++x] != CHAR_DLE)
- {
- /* If bestdata_handle_escape says NULL, say it now, doesn't matter
- what else is there, the connection is dead. */
- f = bestdata_handle_escape(p, result[x]);
- if (p->dtmfrx) continue;
- return(f);
- }
- }
- /* Generate a 16-bit signed linear value from our
- unsigned 8-bit value */
- *(b++) = (((short)result[x]) - 127) * 0xff;
- p->obuflen += 2;
- }
- if (f) break;
- }
- /* If we have a control frame, return it now */
- if (f) return f;
- /* If we get here, we have a complete voice frame */
- p->fr.frametype = AST_FRAME_VOICE;
- p->fr.subclass = AST_FORMAT_SLINEAR;
- p->fr.samples = 240;
- p->fr.data = p->obuf;
- p->fr.datalen = p->obuflen;
- p->fr.mallocd = 0;
- p->fr.delivery.tv_sec = 0;
- p->fr.delivery.tv_usec = 0;
- p->fr.offset = AST_FRIENDLY_OFFSET;
- p->fr.src = __FUNCTION__;
- if (option_debug)
- ast_log(LOG_DEBUG, "bestdata_read(voice frame)\n");
- p->obuflen = 0;
- return &p->fr;
- }
- return NULL;
-}
-
-static int bestdata_write(struct ast_modem_pvt *p, struct ast_frame *f)
-{
-unsigned char c,buf[32768]; /* I hope we dont have frames larger then 16K */
-int i,j;
-short *sp;
-unsigned long u;
-#define DLE 16
-
- if (p->owner && (p->owner->_state == AST_STATE_UP) &&
- (p->ministate != STATE_VOICEPLAY) && bestdata_startplay(p)) return -1;
- sp = (short *) f->data;
- /* stick DLE's in ahead of anything else */
- for(i = 0,j = 0; i < f->datalen / 2; i++)
- {
- *sp *= 3;
- u = *sp++ + 32768;
- c = u >> 8;
- if (c == DLE) buf[j++] = DLE;
- buf[j++] = c;
- }
- do i = fwrite(buf,1,j,p->f);
- while ((i == -1) && (errno == EWOULDBLOCK));
- if (i != j)
- {
- ast_log(LOG_WARNING,"modem short write!!\n");
- return -1;
- }
- fflush(p->f);
- if (option_debug)
- ast_log(LOG_DEBUG, "bestdata_write()\n");
- return 0;
-}
-
-static char *bestdata_identify(struct ast_modem_pvt *p)
-{
- char identity[256];
- char mfr[80];
- char mdl[80];
- char rev[80];
- ast_modem_send(p, "AT+FMM", 0);
- ast_modem_read_response(p, 5);
- strncpy(mdl, p->response, sizeof(mdl)-1);
- ast_modem_trim(mdl);
- ast_modem_expect(p, "OK", 5);
- ast_modem_send(p, "AT+FMI", 0);
- ast_modem_read_response(p, 5);
- strncpy(mfr, p->response, sizeof(mfr)-1);
- ast_modem_trim(mfr);
- ast_modem_expect(p, "OK", 5);
- ast_modem_send(p, "AT+FMR", 0);
- ast_modem_read_response(p, 5);
- strncpy(rev, p->response, sizeof(rev)-1);
- ast_modem_trim(rev);
- ast_modem_expect(p, "OK", 5);
- snprintf(identity, sizeof(identity), "%s Model %s Revision %s", mfr, mdl, rev);
- return strdup(identity);
-}
-
-static void bestdata_incusecnt(void)
-{
- ast_mutex_lock(&usecnt_lock);
- usecnt++;
- ast_mutex_unlock(&usecnt_lock);
- ast_update_use_count();
-}
-
-static void bestdata_decusecnt(void)
-{
- ast_mutex_lock(&usecnt_lock);
- usecnt++;
- ast_mutex_unlock(&usecnt_lock);
- ast_update_use_count();
-}
-
-static int bestdata_answer(struct ast_modem_pvt *p)
-{
- p->ringt = 0;
- p->lastring = 0;
- if (ast_modem_send(p, "AT+VLS=1", 0) ||
- ast_modem_expect(p, "OK", 10)) {
- ast_log(LOG_WARNING, "Unable to answer: %s", p->response);
- return -1;
- }
- return 0;
-}
-
-static int bestdata_dialdigit(struct ast_modem_pvt *p, char digit)
-{
- char cmd[80];
-
- if (p->ministate != STATE_COMMAND) bestdata_break(p);
- snprintf(cmd, sizeof(cmd), "AT+VTS=%c", digit);
- if (ast_modem_send(p, cmd, 0) ||
- ast_modem_expect(p, "OK", 10)) {
- ast_log(LOG_WARNING, "Unable to answer: %s", p->response);
- return -1;
- }
- return 0;
-}
-
-static int bestdata_dial(struct ast_modem_pvt *p, char *stuff)
-{
- char cmd[800] = "",a[20]="";
- int i,j;
-
- if (p->ministate != STATE_COMMAND)
- {
- bestdata_break(p);
- strncpy(cmd, "AT+VTS=", sizeof(cmd) - 1);
- j = strlen(cmd);
- for(i = 0; stuff[i]; i++)
- {
- switch(stuff[i])
- {
- case '!' :
- a[0] = stuff[i];
- a[1] = 0;
- break;
- case ',':
- strncpy(a, "[,,100]", sizeof(a) - 1);
- break;
- default:
- snprintf(a, sizeof(a), "{%c,7}", stuff[i]);
- }
- if (stuff[i + 1]) strncat(a, ",", sizeof(a) - strlen(a) - 1);
- strncpy(cmd + j, a, sizeof(cmd) - j - 1);
- j += strlen(a);
- }
- }
- else
- {
- snprintf(cmd, sizeof(cmd), "ATD%c %s", p->dialtype,stuff);
- }
- if (ast_modem_send(p, cmd, 0)) {
- ast_log(LOG_WARNING, "Unable to dial\n");
- return -1;
- }
- return 0;
-}
-
-static int bestdata_hangup(struct ast_modem_pvt *p)
-{
- if (bestdata_break(p))
- return -1;
- /* Hangup by switching to data, then back to voice */
- if (ast_modem_send(p, "ATH", 0) ||
- ast_modem_expect(p, "OK", 8)) {
- ast_log(LOG_WARNING, "Unable to set to data mode\n");
- return -1;
- }
- if (ast_modem_send(p, "AT+FCLASS=8", 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to voice mode\n");
- return -1;
- }
- p->gotclid = 0;
- p->ringt = 0;
- p->lastring = 0;
- p->dtmfrx = 0;
- return 0;
-}
-
-static struct ast_modem_driver bestdata_driver =
-{
- "BestData",
- bestdata_idents,
- AST_FORMAT_SLINEAR,
- 0, /* Not full duplex */
- bestdata_incusecnt, /* incusecnt */
- bestdata_decusecnt, /* decusecnt */
- bestdata_identify, /* identify */
- bestdata_init, /* init */
- NULL, /* setdev */
- bestdata_read,
- bestdata_write,
- bestdata_dial, /* dial */
- bestdata_answer, /* answer */
- bestdata_hangup, /* hangup */
- bestdata_startrec, /* start record */
- NULL, /* stop record */
- bestdata_startplay, /* start playback */
- NULL, /* stop playback */
- NULL, /* set silence supression */
- bestdata_dialdigit, /* dialdigit */
-};
-
-
-
-int usecount(void)
-{
- return usecnt;
-}
-
-int load_module(void)
-{
- return ast_register_modem_driver(&bestdata_driver);
-}
-
-int unload_module(void)
-{
- return ast_unregister_modem_driver(&bestdata_driver);
-}
-
-char *description()
-{
- return desc;
-}
-
-char *key()
-{
- return ASTERISK_GPL_KEY;
-}
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