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Version 0.3.0 from FTP

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@556 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2002-11-29 02:14:13 +00:00
parent 55dc769bc3
commit d4cce257b2
15 changed files with 124 additions and 86 deletions
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87
channels/chan_modem_i4l.c
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@@ -17,6 +17,7 @@
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <asterisk/lock.h>
#include <asterisk/vmodem.h>
#include <asterisk/module.h>
@@ -151,11 +152,37 @@ static int i4l_init(struct ast_modem_pvt *p)
return -1;
}
}
if (strlen(p->incomingmsn)) {
char *q;
snprintf(cmd, sizeof(cmd), "AT&L%s", p->incomingmsn);
// translate , into ; since that is the seperator I4L uses, but can't be directly
// put in the config file because it will interpret the rest of the line as comment.
q = cmd+4;
while (*q) {
if (*q == ',') *q = ';';
++q;
}
if (ast_modem_send(p, cmd, 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set Listen to %s\n", p->msn);
return -1;
}
}
if (ast_modem_send(p, "AT&D2", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to DTR disconnect mode\n");
return -1;
}
if (ast_modem_send(p, "ATS18=1", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to audio only mode\n");
return -1;
}
if (ast_modem_send(p, "ATS13.6=1", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to RUNG indication\n");
return -1;
}
if (ast_modem_send(p, "ATS14=4", 0) ||
ast_modem_expect(p, "OK", 5)) {
ast_log(LOG_WARNING, "Unable to set to transparent mode\n");
@@ -189,7 +216,7 @@ static struct ast_frame *i4l_handle_escape(struct ast_modem_pvt *p, char esc)
p->fr.subclass = 0;
p->fr.data = NULL;
p->fr.datalen = 0;
p->fr.timelen = 0;
p->fr.samples = 0;
p->fr.offset = 0;
p->fr.mallocd = 0;
if (esc && option_debug)
@@ -271,7 +298,15 @@ static struct ast_frame *i4l_read(struct ast_modem_pvt *p)
int x;
if (p->ministate == STATE_COMMAND) {
/* Read the first two bytes, first, in case it's a control message */
read(p->fd, result, 2);
res = read(p->fd, result, 2);
if (res < 2) {
// short read, means there was a hangup?
// (or is this also possible without hangup?)
// Anyway, reading from unitialized buffers is a bad idea anytime.
if (errno == EAGAIN)
return i4l_handle_escape(p, 0);
return NULL;
}
if (result[0] == CHAR_DLE) {
return i4l_handle_escape(p, result[1]);
@@ -283,7 +318,7 @@ static struct ast_frame *i4l_read(struct ast_modem_pvt *p)
ast_modem_trim(result);
if (!strcasecmp(result, "VCON")) {
/* If we're in immediate mode, reply now */
if (p->mode == MODEM_MODE_IMMEDIATE)
// if (p->mode == MODEM_MODE_IMMEDIATE)
return i4l_handle_escape(p, 'X');
} else
if (!strcasecmp(result, "BUSY")) {
@@ -292,16 +327,22 @@ static struct ast_frame *i4l_read(struct ast_modem_pvt *p)
} else
if (!strncasecmp(result, "CALLER NUMBER: ", 15 )) {
strncpy(p->cid, result + 15, sizeof(p->cid)-1);
return i4l_handle_escape(p, 'R');
return i4l_handle_escape(p, 0);
} else
if (!strcasecmp(result, "RINGING")) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "%s is ringing...\n", p->dev);
return i4l_handle_escape(p, 'I');
} else
if (!strncasecmp(result, "RUNG", 4)) {
/* PM2002: the line was hung up before we picked it up, bye bye */
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "%s was hung up on before we answered\n", p->dev);
return NULL;
} else
if (!strncasecmp(result, "RING", 4)) {
if (result[4]=='/')
strncpy(p->dnid, result + 4, sizeof(p->dnid)-1);
strncpy(p->dnid, result + 5, sizeof(p->dnid)-1);
return i4l_handle_escape(p, 'R');
} else
if (!strcasecmp(result, "NO CARRIER")) {
@@ -329,6 +370,7 @@ static struct ast_frame *i4l_read(struct ast_modem_pvt *p)
if (errno == EAGAIN)
return i4l_handle_escape(p, 0);
ast_log(LOG_WARNING, "Read failed: %s\n", strerror(errno));
return NULL;
}
for (x=0;x<res;x++) {
@@ -372,7 +414,7 @@ static struct ast_frame *i4l_read(struct ast_modem_pvt *p)
/* If we get here, we have a complete voice frame */
p->fr.frametype = AST_FRAME_VOICE;
p->fr.subclass = AST_FORMAT_SLINEAR;
p->fr.timelen = 30;
p->fr.samples = 240;
p->fr.data = p->obuf;
p->fr.datalen = p->obuflen;
p->fr.mallocd = 0;
@@ -497,32 +539,24 @@ static int i4l_dial(struct ast_modem_pvt *p, char *stuff)
static int i4l_hangup(struct ast_modem_pvt *p)
{
char dummy[50];
sprintf(dummy, "%c%c", 0x10, 0x3);
if (write(p->fd, dummy, 2) < 0) {
ast_log(LOG_WARNING, "Failed to break\n");
return -1;
}
int dtr = TIOCM_DTR;
/* down DTR to hangup modem */
ioctl(p->fd, TIOCMBIC, &dtr);
/* Read anything outstanding */
while(read(p->fd, dummy, sizeof(dummy)) > 0);
sprintf(dummy, "%c%c", 0x10, 0x14);
if (write(p->fd, dummy, 2) < 0) {
ast_log(LOG_WARNING, "Failed to break\n");
return -1;
}
ast_modem_expect(p, "VCON", 1);
#if 0
if (ast_modem_expect(p, "VCON", 8)) {
ast_log(LOG_WARNING, "Didn't get expected VCON\n");
return -1;
}
#endif
/* rise DTR to re-enable line */
ioctl(p->fd, TIOCMBIS, &dtr);
/* Read anything outstanding */
while(read(p->fd, dummy, sizeof(dummy)) > 0);
/* basically we're done, just to be sure */
write(p->fd, "\n\n", 2);
read(p->fd, dummy, sizeof(dummy));
/* Hangup by switching to data, then back to voice */
if (ast_modem_send(p, "ATH", 0) ||
ast_modem_expect(p, "NO CARRIER", 8)) {
if (ast_modem_send(p, "ATH", 0)) {
ast_log(LOG_WARNING, "Unable to hang up\n");
return -1;
}
@@ -530,6 +564,7 @@ static int i4l_hangup(struct ast_modem_pvt *p)
ast_log(LOG_WARNING, "Final 'OK' not received\n");
return -1;
}
return 0;
}