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Wed Mar 12 07:00:01 CET 2003 

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@641 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
matteo 2003-03-12 06:00:18 +00:00
parent 9cfcee5163
commit f61680257a
18 changed files with 820 additions and 310 deletions
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1
CHANGES
View File

@ -1,3 +1,4 @@
-- Add experimental "debug channel" command
-- Add 'C' flag to dial command to reset call detail record (handy for calling cards)
-- Add NAT and dynamic support to MGCP
-- Allow selection of in-band, out-of-band, or INFO based DTMF

2
CREDITS
View File

@ -34,6 +34,8 @@ Steven Critchfield - Seek and Trunc functions for playback and recording
critch@basesys.com
Jefferson Noxon - app_lookupcidname, app_db, and various other contributions
Klaus-Peter Junghanns - in-band DTMF on SIP and MGCP
Ross Finlayson - Dynamic RTP payload support
=== OTHER SOURCE CODE IN ASTERISK ===
I did not implement the codecs in asterisk. Here is the copyright on the

4
apps/app_dial.c
View File

@ -557,6 +557,10 @@ static int dial_exec(struct ast_channel *chan, void *data)
/* If appropriate, log that we have a destination channel */
if (chan->cdr)
ast_cdr_setdestchan(chan->cdr, peer->name);
if (peer->name)
pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
if (numsubst)
pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", numsubst);
/* Make sure channels are compatible */
res = ast_channel_make_compatible(chan, peer);
if (res < 0) {

19
apps/app_macro.c
View File

@ -184,17 +184,20 @@ out:
pbx_builtin_setvar_helper(chan, "MACRO_PRIORITY", save_macro_priority);
if (save_macro_priority) free(save_macro_priority);
if (!strcasecmp(chan->context, fullmacro) && !chan->_softhangup) {
if (!strcasecmp(chan->context, fullmacro)) {
/* If we're leaving the macro normally, restore original information */
chan->priority = oldpriority;
strncpy(chan->exten, oldexten, sizeof(chan->exten) - 1);
strncpy(chan->context, oldcontext, sizeof(chan->context) - 1);
if ((offsets = pbx_builtin_getvar_helper(chan, "MACRO_OFFSET"))) {
/* Handle macro offset if it's set by checking the availability of step n + offset + 1, otherwise continue
normally if there is any problem */
if (sscanf(offsets, "%d", &offset) == 1) {
if (ast_exists_extension(chan, chan->context, chan->exten, chan->priority + offset + 1, chan->callerid)) {
chan->priority += offset;
if (!chan->_softhangup) {
/* Copy the extension, so long as we're not in softhangup, where we could be given an asyncgoto */
strncpy(chan->exten, oldexten, sizeof(chan->exten) - 1);
if ((offsets = pbx_builtin_getvar_helper(chan, "MACRO_OFFSET"))) {
/* Handle macro offset if it's set by checking the availability of step n + offset + 1, otherwise continue
normally if there is any problem */
if (sscanf(offsets, "%d", &offset) == 1) {
if (ast_exists_extension(chan, chan->context, chan->exten, chan->priority + offset + 1, chan->callerid)) {
chan->priority += offset;
}
}
}
}

16
channel.c
View File

@ -1043,7 +1043,12 @@ struct ast_frame *ast_read(struct ast_channel *chan)
ast_deactivate_generator(chan);
}
}
chan->fin++;
if (chan->fin & 0x80000000)
ast_frame_dump(chan->name, f, "<<");
if ((chan->fin & 0x7fffffff) == 0x7fffffff)
chan->fin &= 0x80000000;
else
chan->fin++;
return f;
}
@ -1197,6 +1202,8 @@ int ast_write(struct ast_channel *chan, struct ast_frame *fr)
else
return 0;
}
if (chan->fout & 0x80000000)
ast_frame_dump(chan->name, fr, ">>");
CHECK_BLOCKING(chan);
switch(fr->frametype) {
case AST_FRAME_CONTROL:
@ -1228,8 +1235,13 @@ int ast_write(struct ast_channel *chan, struct ast_frame *fr)
/* Consider a write failure to force a soft hangup */
if (res < 0)
chan->_softhangup |= AST_SOFTHANGUP_DEV;
else
else {
if ((chan->fout & 0x7fffffff) == 0x7fffffff)
chan->fout &= 0x80000000;
else
chan->fout++;
chan->fout++;
}
return res;
}

11
channels/chan_iax.c
View File

@ -3409,6 +3409,7 @@ static int socket_read(int *id, int fd, short events, void *cbdata)
char rel0[256];
char rel1[255];
char empty[32]=""; /* Safety measure */
fr.ts=0; /* make Valgrind happy */
res = recvfrom(netsocket, buf, sizeof(buf), 0,(struct sockaddr *) &sin, &len);
if (res < 0) {
if (errno != ECONNREFUSED)
@ -4417,8 +4418,8 @@ static struct iax_peer *build_peer(char *name, struct ast_variable *v)
ast_log(LOG_WARNING, "Qualification of peer '%s' should be 'yes', 'no', or a number of milliseconds at line %d of iax.conf\n", peer->name, v->lineno);
peer->maxms = 0;
}
}
} //else if (strcasecmp(v->name,"type"))
// ast_log(LOG_WARNING, "Ignoring %s\n", v->name);
v=v->next;
}
if (!strlen(peer->methods))
@ -4468,7 +4469,8 @@ static struct iax_user *build_user(char *name, struct ast_variable *v)
}
} else if (!strcasecmp(v->name, "inkeys")) {
strncpy(user->inkeys, v->value, sizeof(user->inkeys));
}
} //else if (strcasecmp(v->name,"type"))
// ast_log(LOG_WARNING, "Ignoring %s\n", v->name);
v = v->next;
}
}
@ -4647,7 +4649,8 @@ static int set_config(char *config_file, struct sockaddr_in* sin){
} else {
amaflags = format;
}
}
} //else if (strcasecmp(v->name,"type"))
// ast_log(LOG_WARNING, "Ignoring %s\n", v->name);
v = v->next;
}
iax_capability = capability;

153
channels/chan_iax2.c
View File

@ -65,7 +65,7 @@
#define GAMMA (0.01)
static char *desc = "Inter Asterisk eXchange (Ver 2)";
static char *tdesc = "Inter Asterisk eXchange Drver (Ver 2)";
static char *tdesc = "Inter Asterisk eXchange Driver (Ver 2)";
static char *type = "IAX2";
static char context[80] = "default";
@ -345,8 +345,6 @@ struct chan_iax2_pvt {
#define DIRECTION_OUTGRESS 2
struct ast_iax2_frame {
/* Actual, isolated frame */
struct ast_frame *f;
/* /Our/ call number */
unsigned short callno;
/* /Their/ call number */
@ -377,11 +375,13 @@ struct ast_iax2_frame {
int direction;
/* Retransmission ID */
int retrans;
/* Easy linking */
struct ast_iax2_frame *next;
struct ast_iax2_frame *prev;
/* Actual, isolated frame header */
struct ast_frame af;
unsigned char unused[AST_FRIENDLY_OFFSET];
unsigned char afdata[0]; /* Data for frame */
};
struct iax_ies {
@ -612,7 +612,7 @@ void showframe(struct ast_iax2_frame *f, struct ast_iax2_full_hdr *fhi, int rx,
fprintf(stderr,
" Timestamp: %05dms SCall: %5.5d DCall: %5.5d [%s:%d]\n",
ntohl(fh->ts),
ntohs(fh->scallno) & ~AST_FLAG_FULL, ntohs(fh->dcallno),
ntohs(fh->scallno) & ~AST_FLAG_FULL, ntohs(fh->dcallno) & ~AST_FLAG_RETRANS,
inet_ntoa(sin->sin_addr), ntohs(sin->sin_port));
}
#endif
@ -746,10 +746,24 @@ static int frames = 0;
static int iframes = 0;
static int oframes = 0;
static struct ast_iax2_frame *ast_iax2_frame_new(int direction)
static void ast_iax2_frame_wrap(struct ast_iax2_frame *fr, struct ast_frame *f)
{
fr->af.frametype = f->frametype;
fr->af.subclass = f->subclass;
fr->af.mallocd = 0; /* Our frame is static relative to the container */
fr->af.datalen = f->datalen;
fr->af.samples = f->samples;
fr->af.offset = AST_FRIENDLY_OFFSET;
fr->af.src = f->src;
fr->af.data = fr->afdata;
if (fr->af.datalen)
memcpy(fr->af.data, f->data, fr->af.datalen);
}
static struct ast_iax2_frame *ast_iax2_frame_new(int direction, int datalen)
{
struct ast_iax2_frame *fr;
fr = malloc(sizeof(struct ast_iax2_frame));
fr = malloc(sizeof(struct ast_iax2_frame) + datalen);
if (fr) {
fr->direction = direction;
fr->retrans = -1;
@ -780,24 +794,15 @@ static void ast_iax2_frame_free(struct ast_iax2_frame *fr)
frames--;
}
static struct ast_iax2_frame *iaxfrdup2(struct ast_iax2_frame *fr, int ch)
static struct ast_iax2_frame *iaxfrdup2(struct ast_iax2_frame *fr)
{
/* Malloc() a copy of a frame */
struct ast_iax2_frame *new = ast_iax2_frame_new(DIRECTION_INGRESS);
struct ast_iax2_frame *new = ast_iax2_frame_new(DIRECTION_INGRESS, fr->af.datalen);
if (new) {
memcpy(new, fr, sizeof(struct ast_iax2_frame));
new->f = ast_frdup(fr->f);
/* Copy full header */
if (ch) {
memcpy(new->f->data - sizeof(struct ast_iax2_full_hdr),
fr->f->data - sizeof(struct ast_iax2_full_hdr),
sizeof(struct ast_iax2_full_hdr));
/* Grab new data pointer */
new->data = new->f->data - (fr->f->data - fr->data);
} else {
new->data = NULL;
new->datalen = 0;
}
ast_iax2_frame_wrap(new, &fr->af);
new->data = NULL;
new->datalen = 0;
new->direction = DIRECTION_INGRESS;
new->retrans = -1;
}
@ -835,7 +840,7 @@ static int find_callno(unsigned short callno, unsigned short dcallno, struct soc
int start;
if (new <= NEW_ALLOW) {
/* Look for an existing connection first */
for (x=0;(res < 0) && (x<AST_IAX2_MAX_CALLS);x++) {
for (x=0;(res < 1) && (x<AST_IAX2_MAX_CALLS);x++) {
ast_pthread_mutex_lock(&iaxsl[x]);
if (iaxs[x]) {
/* Look for an exact match */
@ -918,25 +923,23 @@ static int __do_deliver(void *data)
unsigned int ts;
fr->retrans = -1;
if (iaxs[fr->callno] && !iaxs[fr->callno]->alreadygone) {
if (fr->f->frametype == AST_FRAME_IAX) {
if (fr->af.frametype == AST_FRAME_IAX) {
/* We have to treat some of these packets specially because
they're LAG measurement packets */
if (fr->f->subclass == AST_IAX2_COMMAND_LAGRQ) {
if (fr->af.subclass == AST_IAX2_COMMAND_LAGRQ) {
/* If we got a queued request, build a reply and send it */
fr->f->subclass = AST_IAX2_COMMAND_LAGRP;
iax2_send(iaxs[fr->callno], fr->f, fr->ts, -1, 0, 0, 0);
} else if (fr->f->subclass == AST_IAX2_COMMAND_LAGRP) {
fr->af.subclass = AST_IAX2_COMMAND_LAGRP;
iax2_send(iaxs[fr->callno], &fr->af, fr->ts, -1, 0, 0, 0);
} else if (fr->af.subclass == AST_IAX2_COMMAND_LAGRP) {
/* This is a reply we've been given, actually measure the difference */
ts = calc_timestamp(iaxs[fr->callno], 0);
iaxs[fr->callno]->lag = ts - fr->ts;
}
} else {
iax2_queue_frame(fr->callno, fr->f);
iax2_queue_frame(fr->callno, &fr->af);
}
}
/* Free the packet */
ast_frfree(fr->f);
/* And our iax frame */
/* Free our iax frame */
ast_iax2_frame_free(fr);
/* And don't run again */
return 0;
@ -1187,7 +1190,7 @@ static int attempt_transmit(void *data)
iax2_destroy_nolock(f->callno);
} else {
if (iaxs[f->callno]->owner)
ast_log(LOG_WARNING, "Max retries exceeded to host %s on %s (type = %d, subclass = %d, ts=%d, seqno=%d)\n", inet_ntoa(iaxs[f->callno]->addr.sin_addr),iaxs[f->callno]->owner->name , f->f->frametype, f->f->subclass, f->ts, f->oseqno);
ast_log(LOG_WARNING, "Max retries exceeded to host %s on %s (type = %d, subclass = %d, ts=%d, seqno=%d)\n", inet_ntoa(iaxs[f->callno]->addr.sin_addr),iaxs[f->callno]->owner->name , f->af.frametype, f->af.subclass, f->ts, f->oseqno);
iaxs[f->callno]->error = ETIMEDOUT;
if (iaxs[f->callno]->owner) {
struct ast_frame fr = { 0, };
@ -1243,9 +1246,8 @@ static int attempt_transmit(void *data)
iaxq.tail = f->prev;
iaxq.count--;
ast_pthread_mutex_unlock(&iaxq.lock);
/* Free the frame */
ast_frfree(f->f);
f->retrans = -1;
/* Free the IAX2 frame */
ast_iax2_frame_free(f);
}
return 0;
@ -1392,7 +1394,7 @@ static int forward_delivery(struct ast_iax2_frame *fr)
fr->ts = calc_fakestamp(p1, p2, fr->ts);
/* Now just send it send on the 2nd one
with adjusted timestamp */
return iax2_send(p2, fr->f, fr->ts, -1, 0, 0, 0);
return iax2_send(p2, &fr->af, fr->ts, -1, 0, 0, 0);
}
#endif
@ -1509,14 +1511,12 @@ static int schedule_delivery(struct ast_iax2_frame *fr, int reallydeliver)
if (option_debug)
ast_log(LOG_DEBUG, "Calculated ms is %d\n", ms);
/* Don't deliver it more than 4 ms late */
if ((ms > -4) || (fr->f->frametype != AST_FRAME_VOICE)) {
if ((ms > -4) || (fr->af.frametype != AST_FRAME_VOICE)) {
__do_deliver(fr);
} else {
if (option_debug)
ast_log(LOG_DEBUG, "Dropping voice packet since %d ms is, too old\n", ms);
/* Free the packet */
ast_frfree(fr->f);
/* And our iax frame */
/* Free our iax frame */
ast_iax2_frame_free(fr);
}
} else {
@ -2180,7 +2180,7 @@ static int iax2_send(struct chan_iax2_pvt *pvt, struct ast_frame *f, unsigned in
if (now)
fr = &fr2;
else
fr = ast_iax2_frame_new(DIRECTION_OUTGRESS);
fr = ast_iax2_frame_new(DIRECTION_OUTGRESS, f->datalen);
if (!fr) {
ast_log(LOG_WARNING, "Out of memory\n");
return -1;
@ -2191,20 +2191,9 @@ static int iax2_send(struct chan_iax2_pvt *pvt, struct ast_frame *f, unsigned in
ast_iax2_frame_free(fr);
return -1;
}
/* Isolate our frame for transmission */
fr->f = ast_frdup(f);
/* Copy our prospective frame into our immediate or retransmitted wrapper */
ast_iax2_frame_wrap(fr, f);
if (!fr->f) {
ast_log(LOG_WARNING, "Out of memory\n");
if (!now)
ast_iax2_frame_free(fr);
return -1;
}
if (fr->f->offset < sizeof(struct ast_iax2_full_hdr)) {
ast_log(LOG_WARNING, "Packet from '%s' not friendly\n", fr->f->src);
free(fr);
return -1;
}
lastsent = pvt->lastsent;
fr->ts = calc_timestamp(pvt, ts);
if (!fr->ts) {
@ -2218,9 +2207,9 @@ static int iax2_send(struct chan_iax2_pvt *pvt, struct ast_frame *f, unsigned in
fr->final = final;
if (((fr->ts & 0xFFFF0000L) != (lastsent & 0xFFFF0000L))
/* High two bits of timestamp differ */ ||
(fr->f->frametype != AST_FRAME_VOICE)
(fr->af.frametype != AST_FRAME_VOICE)
/* or not a voice frame */ ||
(fr->f->subclass != pvt->svoiceformat)
(fr->af.subclass != pvt->svoiceformat)
/* or new voice format */ ) {
/* We need a full frame */
if (seqno > -1)
@ -2228,21 +2217,21 @@ static int iax2_send(struct chan_iax2_pvt *pvt, struct ast_frame *f, unsigned in
else
fr->oseqno = pvt->oseqno++;
fr->iseqno = pvt->iseqno;
fh = (struct ast_iax2_full_hdr *)(fr->f->data - sizeof(struct ast_iax2_full_hdr));
fh = (struct ast_iax2_full_hdr *)(fr->af.data - sizeof(struct ast_iax2_full_hdr));
fh->scallno = htons(fr->callno | AST_FLAG_FULL);
fh->ts = htonl(fr->ts);
fh->oseqno = htons(fr->oseqno);
fh->iseqno = htons(fr->iseqno);
/* Keep track of the last thing we've acknowledged */
pvt->aseqno = fr->iseqno;
fh->type = fr->f->frametype & 0xFF;
fh->csub = compress_subclass(fr->f->subclass);
fh->type = fr->af.frametype & 0xFF;
fh->csub = compress_subclass(fr->af.subclass);
if (transfer) {
fr->dcallno = pvt->transfercallno;
} else
fr->dcallno = pvt->peercallno;
fh->dcallno = htons(fr->dcallno);
fr->datalen = fr->f->datalen + sizeof(struct ast_iax2_full_hdr);
fr->datalen = fr->af.datalen + sizeof(struct ast_iax2_full_hdr);
fr->data = fh;
fr->retries = 0;
/* Retry after 2x the ping time has passed */
@ -2259,7 +2248,6 @@ static int iax2_send(struct chan_iax2_pvt *pvt, struct ast_frame *f, unsigned in
}
if (now) {
res = send_packet(fr);
ast_frfree(fr->f);
} else
res = iax2_transmit(fr);
} else {
@ -2267,15 +2255,14 @@ static int iax2_send(struct chan_iax2_pvt *pvt, struct ast_frame *f, unsigned in
fr->oseqno = -1;
fr->iseqno = -1;
/* Mini frame will do */
mh = (struct ast_iax2_mini_hdr *)(fr->f->data - sizeof(struct ast_iax2_mini_hdr));
mh = (struct ast_iax2_mini_hdr *)(fr->af.data - sizeof(struct ast_iax2_mini_hdr));
mh->callno = htons(fr->callno);
mh->ts = htons(fr->ts & 0xFFFF);
fr->datalen = fr->f->datalen + sizeof(struct ast_iax2_mini_hdr);
fr->datalen = fr->af.datalen + sizeof(struct ast_iax2_mini_hdr);
fr->data = mh;
fr->retries = -1;
if (now) {
res = send_packet(fr);
ast_frfree(fr->f);
} else
res = iax2_transmit(fr);
}
@ -2662,13 +2649,14 @@ static int check_access(int callno, struct sockaddr_in *sin, struct iax_ies *ies
return res;
}
static int raw_hangup(struct sockaddr_in *sin, short src, short dst)
static int raw_hangup(struct sockaddr_in *sin, unsigned short src, unsigned short dst)
{
struct ast_iax2_full_hdr fh;
fh.scallno = htons(src | AST_FLAG_FULL);
fh.dcallno = htons(dst);
fh.ts = 0;
fh.oseqno = 0;
fh.iseqno = 0;
fh.type = AST_FRAME_IAX;
fh.csub = compress_subclass(AST_IAX2_COMMAND_INVAL);
#if 0
@ -3505,7 +3493,6 @@ static int socket_read(int *id, int fd, short events, void *cbdata)
int res;
int new = NEW_PREVENT;
char buf[4096];
char src[80];
int len = sizeof(sin);
int dcallno = 0;
struct ast_iax2_full_hdr *fh = (struct ast_iax2_full_hdr *)buf;
@ -3538,7 +3525,7 @@ static int socket_read(int *id, int fd, short events, void *cbdata)
#endif
if (ntohs(mh->callno) & AST_FLAG_FULL) {
/* Get the destination call number */
dcallno = ntohs(fh->dcallno);
dcallno = ntohs(fh->dcallno) & ~AST_FLAG_RETRANS;
/* Retrieve the type and subclass */
f.frametype = fh->type;
f.subclass = uncompress_subclass(fh->csub);
@ -3569,7 +3556,7 @@ static int socket_read(int *id, int fd, short events, void *cbdata)
(f.subclass != AST_IAX2_COMMAND_TXCNT) &&
(f.subclass != AST_IAX2_COMMAND_TXACC))||
(f.frametype != AST_FRAME_IAX))
raw_hangup(&sin, ntohs(fh->dcallno), ntohs(mh->callno) & ~AST_FLAG_FULL
raw_hangup(&sin, ntohs(fh->dcallno) & ~AST_FLAG_RETRANS, ntohs(mh->callno) & ~AST_FLAG_FULL
);
}
if (fr.callno > 0)
@ -3951,7 +3938,9 @@ static int socket_read(int *id, int fd, short events, void *cbdata)
peer->lastms = iaxs[fr.callno]->pingtime;
if (peer->pokeexpire > -1)
ast_sched_del(sched, peer->pokeexpire);
send_command_immediate(iaxs[fr.callno], AST_FRAME_IAX, AST_IAX2_COMMAND_ACK, fr.ts, NULL, 0,fr.iseqno);
iax2_destroy_nolock(fr.callno);
peer->callno = 0;
/* Try again eventually */
if ((peer->lastms < 0) || (peer->lastms > peer->maxms))
peer->pokeexpire = ast_sched_add(sched, DEFAULT_FREQ_NOTOK, iax2_poke_peer_s, peer);
@ -3969,13 +3958,12 @@ static int socket_read(int *id, int fd, short events, void *cbdata)
/* A little strange -- We have to actually go through the motions of
delivering the packet. In the very last step, it will be properly
handled by do_deliver */
snprintf(src, sizeof(src), "LAGRQ-IAX/%s/%d", inet_ntoa(sin.sin_addr),fr.callno);
f.src = src;
f.src = "LAGRQ";
f.mallocd = 0;
f.offset = 0;
fr.f = &f;
f.samples = 0;
schedule_delivery(iaxfrdup2(&fr, 0), 1);
ast_iax2_frame_wrap(&fr, &f);
schedule_delivery(iaxfrdup2(&fr), 1);
#ifdef BRIDGE_OPTIMIZATION
}
#endif
@ -4229,14 +4217,14 @@ static int socket_read(int *id, int fd, short events, void *cbdata)
return 1;
}
/* Common things */
snprintf(src, sizeof(src), "IAX2/%s/%d", inet_ntoa(sin.sin_addr),fr.callno); f.src = src;
f.src = "IAX2";
f.mallocd = 0;
f.offset = 0;
fr.f = &f;
if (f.datalen && (f.frametype == AST_FRAME_VOICE))
f.samples = get_samples(&f);
else
f.samples = 0;
ast_iax2_frame_wrap(&fr, &f);
/* If this is our most recent packet, use it as our basis for timestamping */
if (iaxs[fr.callno]->last < fr.ts) {
@ -4251,10 +4239,10 @@ static int socket_read(int *id, int fd, short events, void *cbdata)
if (iaxs[fr.callno]->bridgecallno) {
forward_delivery(&fr);
} else {
schedule_delivery(iaxfrdup2(&fr, 0), 1);
schedule_delivery(iaxfrdup2(&fr), 1);
}
#else
schedule_delivery(iaxfrdup2(&fr, 0), 1);
schedule_delivery(iaxfrdup2(&fr), 1);
#endif
/* Always run again */
ast_pthread_mutex_unlock(&iaxsl[fr.callno]);
@ -4435,9 +4423,6 @@ static void *network_thread(void *ignore)
else
iaxq.tail = f->prev;
iaxq.count--;
/* Free the frame */
ast_frfree(f->f);
f->f = NULL;
/* Free the iax frame */
freeme = f;
} else {
@ -4612,8 +4597,8 @@ static struct iax2_peer *build_peer(char *name, struct ast_variable *v)
ast_log(LOG_WARNING, "Qualification of peer '%s' should be 'yes', 'no', or a number of milliseconds at line %d of iax.conf\n", peer->name, v->lineno);
peer->maxms = 0;
}
}
}// else if (strcasecmp(v->name,"type"))
// ast_log(LOG_WARNING, "Ignoring %s\n", v->name);
v=v->next;
}
if (!peer->authmethods)
@ -4663,7 +4648,8 @@ static struct iax2_user *build_user(char *name, struct ast_variable *v)
}
} else if (!strcasecmp(v->name, "inkeys")) {
strncpy(user->inkeys, v->value, sizeof(user->inkeys));
}
}// else if (strcasecmp(v->name,"type"))
// ast_log(LOG_WARNING, "Ignoring %s\n", v->name);
v = v->next;
}
}
@ -4846,7 +4832,8 @@ static int set_config(char *config_file, struct sockaddr_in* sin){
} else {
amaflags = format;
}
}
} //else if (strcasecmp(v->name,"type"))
// ast_log(LOG_WARNING, "Ignoring %s\n", v->name);
v = v->next;
}
iax2_capability = capability;

125
channels/chan_mgcp.c
View File

@ -40,6 +40,7 @@
#include <arpa/inet.h>
#include <sys/signal.h>
#include <asterisk/dsp.h>
#include <ctype.h>
#define MGCPDUMPER
#define DEFAULT_EXPIREY 120
@ -71,6 +72,7 @@ static int restart_monitor(void);
/* Just about everybody seems to support ulaw, so make it a nice default */
static int capability = AST_FORMAT_ULAW;
static int nonCodecCapability = AST_RTP_DTMF;
static char ourhost[256];
static struct in_addr __ourip;
@ -133,6 +135,7 @@ struct mgcp_endpoint {
int alreadygone;
int needdestroy;
int capability;
int nonCodecCapability;
int outgoing;
struct ast_dsp *vad;
struct ast_channel *owner;
@ -568,21 +571,41 @@ static struct ast_channel *mgcp_new(struct mgcp_endpoint *i, int state)
return tmp;
}
static char *get_sdp(struct mgcp_request *req, char *name)
{
int x;
int len = strlen(name);
char *r;
for (x=0;x<req->lines;x++) {
if (!strncasecmp(req->line[x], name, len) &&
(req->line[x][len] == '=')) {
r = req->line[x] + len + 1;
while(*r && (*r < 33))
r++;
return r;
}
}
return "";
static char* get_sdp_by_line(char* line, char *name, int nameLen) {
if (strncasecmp(line, name, nameLen) == 0 && line[nameLen] == '=') {
char* r = line + nameLen + 1;
while (*r && (*r < 33)) ++r;
return r;
}
return "";
}
static char *get_sdp(struct mgcp_request *req, char *name) {
int x;
int len = strlen(name);
char *r;
for (x=0; x<req->lines; x++) {
r = get_sdp_by_line(req->line[x], name, len);
if (r[0] != '\0') return r;
}
return "";
}
static void sdpLineNum_iterator_init(int* iterator) {
*iterator = 0;
}
static char* get_sdp_iterate(int* iterator,
struct mgcp_request *req, char *name) {
int len = strlen(name);
char *r;
while (*iterator < req->lines) {
r = get_sdp_by_line(req->line[(*iterator)++], name, len);
if (r[0] != '\0') return r;
}
return "";
}
static char *__get_header(struct mgcp_request *req, char *name, int *start)
@ -803,14 +826,17 @@ static int process_sdp(struct mgcp_endpoint *p, struct mgcp_request *req)
{
char *m;
char *c;
char *a;
char host[258];
int len;
int portno;
int peercapability;
int peercapability, peerNonCodecCapability;
struct sockaddr_in sin;
char *codecs;
struct hostent *hp;
int codec;
int iterator;
/* Get codec and RTP info from SDP */
m = get_sdp(req, "m");
c = get_sdp(req, "c");
@ -840,25 +866,46 @@ static int process_sdp(struct mgcp_endpoint *p, struct mgcp_request *req)
#if 0
printf("Peer RTP is at port %s:%d\n", inet_ntoa(sin.sin_addr), ntohs(sin.sin_port));
#endif
peercapability = 0;
// Scan through the RTP payload types specified in a "m=" line:
rtp_pt_init(p->rtp);
codecs = m + len;
while(strlen(codecs)) {
if (sscanf(codecs, "%d %n", &codec, &len) != 1) {
ast_log(LOG_WARNING, "Error in codec string '%s'\n", codecs);
return -1;
}
#if 0
printf("Codec: %d\n", codec);
#endif
codec = rtp2ast(codec);
if (codec > -1)
peercapability |= codec;
rtp_set_m_type(p->rtp, codec);
codecs += len;
}
// Next, scan through each "a=rtpmap:" line, noting each
// specified RTP payload type (with corresponding MIME subtype):
sdpLineNum_iterator_init(&iterator);
while ((a = get_sdp_iterate(&iterator, req, "a"))[0] != '\0') {
char* mimeSubtype = strdup(a); // ensures we have enough space
int subtypeLen, i;
if (sscanf(a, "rtpmap: %u %[^/]/", &codec, mimeSubtype) != 2) continue;
// Note: should really look at the 'freq' and '#chans' params too
subtypeLen = strlen(mimeSubtype);
// Convert the MIME subtype to upper case, for ease of searching:
for (i = 0; i < subtypeLen; ++i) {
mimeSubtype[i] = toupper(mimeSubtype[i]);
}
rtp_set_rtpmap_type(p->rtp, codec, "audio", mimeSubtype);
free(mimeSubtype);
}
// Now gather all of the codecs that were asked for:
rtp_get_current_formats(p->rtp,
&peercapability, &peerNonCodecCapability);
p->capability = capability & peercapability;
if (mgcpdebug)
if (mgcpdebug) {
ast_verbose("Capabilities: us - %d, them - %d, combined - %d\n",
capability, peercapability, p->capability);
ast_verbose("Non-codec capabilities: us - %d, them - %d, combined - %d\n",
nonCodecCapability, peerNonCodecCapability,
p->nonCodecCapability);
}
if (!p->capability) {
ast_log(LOG_WARNING, "No compatible codecs!\n");
return -1;
@ -1014,18 +1061,38 @@ static int add_sdp(struct mgcp_request *resp, struct mgcp_endpoint *p, struct as
snprintf(c, sizeof(c), "c=IN IP4 %s\r\n", inet_ntoa(dest.sin_addr));
snprintf(t, sizeof(t), "t=0 0\r\n");
snprintf(m, sizeof(m), "m=audio %d RTP/AVP", ntohs(dest.sin_port));
for (x=1;x<= AST_FORMAT_MAX_AUDIO; x <<= 1) {
for (x = 1; x <= AST_FORMAT_MAX_AUDIO; x <<= 1) {
if (p->capability & x) {
if (mgcpdebug)
ast_verbose("Answering with capability %d\n", x);
if ((codec = ast2rtp(x)) > -1) {
codec = rtp_lookup_code(p->rtp, 1, x);
if (codec > -1) {
snprintf(costr, sizeof(costr), " %d", codec);
strcat(m, costr);
snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast2rtpn(x));
snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, rtp_lookup_mime_subtype(1, x));
strcat(a, costr);
}
}
}
for (x = 1; x <= AST_RTP_MAX; x <<= 1) {
if (p->nonCodecCapability & x) {
if (mgcpdebug)
ast_verbose("Answering with non-codec capability %d\n", x);
codec = rtp_lookup_code(p->rtp, 0, x);
if (codec > -1) {
snprintf(costr, sizeof(costr), " %d", codec);
strcat(m, costr);
snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, rtp_lookup_mime_subtype(0, x));
strcat(a, costr);
if (x == AST_RTP_DTMF) {
/* Indicate we support DTMF... Not sure about 16, but MSN supports it so dang it, we will too... */
snprintf(costr, sizeof costr, "a=fmtp:%d 0-16\r\n",
codec);
strcat(a, costr);
}
}
}
}
strcat(m, "\r\n");
len = strlen(v) + strlen(s) + strlen(o) + strlen(c) + strlen(t) + strlen(m) + strlen(a);
snprintf(costr, sizeof(costr), "%d", len);
@ -1054,7 +1121,7 @@ static int transmit_modify_with_sdp(struct mgcp_endpoint *p, struct ast_rtp *rtp
snprintf(local, sizeof(local), "p:20");
for (x=1;x<= AST_FORMAT_MAX_AUDIO; x <<= 1) {
if (p->capability & x) {
snprintf(tmp, sizeof(tmp), ", a:%s", ast2rtpn(x));
snprintf(tmp, sizeof(tmp), ", a:%s", rtp_lookup_mime_subtype(1, x));
strcat(local, tmp);
}
}
@ -1079,7 +1146,7 @@ static int transmit_connect_with_sdp(struct mgcp_endpoint *p, struct ast_rtp *rt
snprintf(local, sizeof(local), "p:20");
for (x=1;x<= AST_FORMAT_MAX_AUDIO; x <<= 1) {
if (p->capability & x) {
snprintf(tmp, sizeof(tmp), ", a:%s", ast2rtpn(x));
snprintf(tmp, sizeof(tmp), ", a:%s", rtp_lookup_mime_subtype(1, x));
strcat(local, tmp);
}
}

236
channels/chan_sip.c
View File

@ -95,8 +95,9 @@ static pthread_t monitor_thread = 0;
static int restart_monitor(void);
/* Just about everybody seems to support ulaw, so make it a nice default */
/* Codecs that we support by default: */
static int capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_GSM;
static int nonCodecCapability = AST_RTP_DTMF;
static char ourhost[256];
static struct in_addr __ourip;
@ -106,6 +107,8 @@ static int sipdebug = 0;
static int tos = 0;
static int globaldtmfmode = SIP_DTMF_RFC2833;
/* Expire slowly */
static int expirey = 900;
@ -143,6 +146,7 @@ static struct sip_pvt {
int alreadygone; /* Whether or not we've already been destroyed by or peer */
int needdestroy; /* if we need to be destroyed */
int capability; /* Special capability */
int nonCodecCapability;
int outgoing; /* Outgoing or incoming call? */
int insecure; /* Don't check source port/ip */
int expirey; /* How long we take to expire */
@ -226,6 +230,7 @@ struct sip_peer {
int expire;
int expirey;
int capability;
int nonCodecCapability;
int insecure;
int nat;
int canreinvite;
@ -299,6 +304,7 @@ static int transmit_response_with_auth(struct sip_pvt *p, char *msg, struct sip_
static int transmit_request(struct sip_pvt *p, char *msg, int inc);
static int transmit_invite(struct sip_pvt *p, char *msg, int sendsdp, char *auth, char *vxml_url);
static int transmit_reinvite_with_sdp(struct sip_pvt *p, struct ast_rtp *rtp);
static int transmit_info_with_digit(struct sip_pvt *p, char digit);
static int transmit_message_with_text(struct sip_pvt *p, char *text);
static int do_proxy_auth(struct sip_pvt *p, struct sip_request *req);
@ -388,6 +394,7 @@ static int create_addr(struct sip_pvt *r, char *peer)
if (!strcasecmp(p->name, peer)) {
found++;
r->capability = p->capability;
r->nonCodecCapability = p->nonCodecCapability;
r->nat = p->nat;
if (r->rtp) {
ast_log(LOG_DEBUG, "Setting NAT on RTP to %d\n", r->nat);
@ -399,7 +406,8 @@ static int create_addr(struct sip_pvt *r, char *peer)
r->insecure = p->insecure;
r->canreinvite = p->canreinvite;
r->maxtime = p->maxms;
r->dtmfmode = p->dtmfmode;
if (p->dtmfmode)
r->dtmfmode = p->dtmfmode;
strncpy(r->context, p->context,sizeof(r->context)-1);
if ((p->addr.sin_addr.s_addr || p->defaddr.sin_addr.s_addr) &&
(!p->maxms || ((p->lastms > 0) && (p->lastms <= p->maxms)))) {
@ -722,7 +730,7 @@ static int sip_hangup(struct ast_channel *ast)
transmit_request(p, "CANCEL", 0);
} else {
/* Send a hangup */
transmit_request(p, "BYE", p->outgoing);
transmit_request(p, "BYE", 1);
}
}
#if 0
@ -820,6 +828,9 @@ static int sip_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
static int sip_senddigit(struct ast_channel *ast, char digit)
{
struct sip_pvt *p = ast->pvt->pvt;
if (p && (p->dtmfmode & SIP_DTMF_INFO)) {
transmit_info_with_digit(p, digit);
}
if (p && p->rtp && (p->dtmfmode & SIP_DTMF_RFC2833)) {
ast_rtp_senddigit(p->rtp, digit);
}
@ -1018,21 +1029,41 @@ static struct cfalias {
{ "Via", "v" },
};
static char *get_sdp(struct sip_request *req, char *name)
{
int x;
int len = strlen(name);
char *r;
for (x=0;x<req->lines;x++) {
if (!strncasecmp(req->line[x], name, len) &&
(req->line[x][len] == '=')) {
r = req->line[x] + len + 1;
while(*r && (*r < 33))
r++;
return r;
}
}
return "";
static char* get_sdp_by_line(char* line, char *name, int nameLen) {
if (strncasecmp(line, name, nameLen) == 0 && line[nameLen] == '=') {
char* r = line + nameLen + 1;
while (*r && (*r < 33)) ++r;
return r;
}
return "";
}
static char *get_sdp(struct sip_request *req, char *name) {
int x;
int len = strlen(name);
char *r;
for (x=0; x<req->lines; x++) {
r = get_sdp_by_line(req->line[x], name, len);
if (r[0] != '\0') return r;
}
return "";
}
static void sdpLineNum_iterator_init(int* iterator) {
*iterator = 0;
}
static char* get_sdp_iterate(int* iterator,
struct sip_request *req, char *name) {
int len = strlen(name);
char *r;
while (*iterator < req->lines) {
r = get_sdp_by_line(req->line[(*iterator)++], name, len);
if (r[0] != '\0') return r;
}
return "";
}
static char *__get_header(struct sip_request *req, char *name, int *start)
@ -1161,7 +1192,7 @@ static struct sip_pvt *sip_alloc(char *callid, struct sockaddr_in *sin, int useg
strncpy(p->callid, callid, sizeof(p->callid) - 1);
/* Assume reinvite OK */
p->canreinvite = 1;
p->dtmfmode = SIP_DTMF_RFC2833;
p->dtmfmode = globaldtmfmode;
/* Add to list */
ast_pthread_mutex_lock(&iflock);
p->next = iflist;
@ -1346,14 +1377,17 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req)
{
char *m;
char *c;
char *a;
char host[258];
int len = -1;
int portno;
int peercapability;
int peercapability, peerNonCodecCapability;
struct sockaddr_in sin;
char *codecs;
struct hostent *hp;
int codec;
int iterator;
/* Get codec and RTP info from SDP */
if (strcasecmp(get_header(req, "Content-Type"), "application/sdp")) {
ast_log(LOG_NOTICE, "Content is '%s', not 'application/sdp'\n", get_header(req, "Content-Type"));
@ -1387,25 +1421,47 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req)
#if 0
printf("Peer RTP is at port %s:%d\n", inet_ntoa(sin.sin_addr), ntohs(sin.sin_port));
#endif
peercapability = 0;
// Scan through the RTP payload types specified in a "m=" line:
rtp_pt_init(p->rtp);
codecs = m + len;
while(strlen(codecs)) {
if (sscanf(codecs, "%d %n", &codec, &len) != 1) {
ast_log(LOG_WARNING, "Error in codec string '%s'\n", codecs);
return -1;
}
#if 0
printf("Codec: %d\n", codec);
#endif
codec = rtp2ast(codec);
if (codec > -1)
peercapability |= codec;
rtp_set_m_type(p->rtp, codec);
codecs += len;
}
// Next, scan through each "a=rtpmap:" line, noting each
// specified RTP payload type (with corresponding MIME subtype):
sdpLineNum_iterator_init(&iterator);
while ((a = get_sdp_iterate(&iterator, req, "a"))[0] != '\0') {
char* mimeSubtype = strdup(a); // ensures we have enough space
int subtypeLen, i;
if (sscanf(a, "rtpmap: %u %[^/]/", &codec, mimeSubtype) != 2) continue;
// Note: should really look at the 'freq' and '#chans' params too
subtypeLen = strlen(mimeSubtype);
// Convert the MIME subtype to upper case, for ease of searching:
for (i = 0; i < subtypeLen; ++i) {
mimeSubtype[i] = toupper(mimeSubtype[i]);
}
rtp_set_rtpmap_type(p->rtp, codec, "audio", mimeSubtype);
free(mimeSubtype);
}
// Now gather all of the codecs that were asked for:
rtp_get_current_formats(p->rtp,
&peercapability, &peerNonCodecCapability);
p->capability = capability & peercapability;
if (sipdebug)
p->nonCodecCapability = nonCodecCapability & peerNonCodecCapability;
if (sipdebug) {
ast_verbose("Capabilities: us - %d, them - %d, combined - %d\n",
capability, peercapability, p->capability);
capability, peercapability, p->capability);
ast_verbose("Non-codec capabilities: us - %d, them - %d, combined - %d\n",
nonCodecCapability, peerNonCodecCapability,
p->nonCodecCapability);
}
if (!p->capability) {
ast_log(LOG_WARNING, "No compatible codecs!\n");
return -1;
@ -1540,7 +1596,7 @@ static int copy_via_headers(struct sip_pvt *p, struct sip_request *req, struct s
for (;;) {
tmp = __get_header(orig, field, &start);
if (strlen(tmp)) {
if (!copied) {
if (!copied && p->nat) {
if (ntohs(p->recv.sin_port) != DEFAULT_SIP_PORT)
snprintf(new, sizeof(new), "%s;received=%s:%d", tmp, inet_ntoa(p->recv.sin_addr), ntohs(p->recv.sin_port));
else
@ -1746,6 +1802,20 @@ static int add_text(struct sip_request *req, char *text)
return 0;
}
static int add_digit(struct sip_request *req, char digit)
{
char tmp[256];
int len;
char clen[256];
snprintf(tmp, sizeof(tmp), "Signal=%c\r\nDuration=250\r\n", digit);
len = strlen(tmp);
snprintf(clen, sizeof(clen), "%d", len);
add_header(req, "Content-Type", "application/dtmf-relay");
add_header(req, "Content-Length", clen);
add_line(req, tmp);
return 0;
}
static int add_sdp(struct sip_request *resp, struct sip_pvt *p, struct ast_rtp *rtp)
{
int len;
@ -1791,33 +1861,51 @@ static int add_sdp(struct sip_request *resp, struct sip_pvt *p, struct ast_rtp *
if (p->capability & cur->codec) {
if (sipdebug)
ast_verbose("Answering with preferred capability %d\n", cur->codec);
if ((codec = ast2rtp(cur->codec)) > -1) {
codec = rtp_lookup_code(p->rtp, 1, cur->codec);
if (codec > -1) {
snprintf(costr, sizeof(costr), " %d", codec);
strcat(m, costr);
snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast2rtpn(rtp2ast(codec)));
snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, rtp_lookup_mime_subtype(1, cur->codec));
strcat(a, costr);
}
}
alreadysent |= cur->codec;
cur = cur->next;
}
/* Now send anything else in no particular order */
for (x=1;x<= AST_FORMAT_MAX_AUDIO; x <<= 1) {
/* Now send any other common codecs, and non-codec formats: */
for (x = 1; x <= AST_FORMAT_MAX_AUDIO; x <<= 1) {
if ((p->capability & x) && !(alreadysent & x)) {
if (sipdebug)
ast_verbose("Answering with capability %d\n", x);
if ((codec = ast2rtp(x)) > -1) {
snprintf(costr, sizeof(costr), " %d", codec);
ast_verbose("Answering with capability %d\n", x);
codec = rtp_lookup_code(p->rtp, 1, x);
if (codec > -1) {
snprintf(costr, sizeof(costr), " %d", codec);
strcat(m, costr);
snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast2rtpn(x));
snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, rtp_lookup_mime_subtype(1, x));
strcat(a, costr);
}
}
}
strcat(m, " 101\r\n");
strcat(a, "a=rtpmap:101 telephone-event/8000\r\n");
/* Indicate we support DTMF only... Not sure about 16, but MSN supports it so dang it, we will too... */
strcat(a, "a=fmtp:101 0-16\r\n");
for (x = 1; x <= AST_RTP_MAX; x <<= 1) {
if (p->nonCodecCapability & x) {
if (sipdebug)
ast_verbose("Answering with non-codec capability %d\n", x);
codec = rtp_lookup_code(p->rtp, 0, x);
if (codec > -1) {
snprintf(costr, sizeof(costr), " %d", codec);
strcat(m, costr);
snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, rtp_lookup_mime_subtype(0, x));
strcat(a, costr);
if (x == AST_RTP_DTMF) {
/* Indicate we support DTMF... Not sure about 16, but MSN supports it so dang it, we will too... */
snprintf(costr, sizeof costr, "a=fmtp:%d 0-16\r\n",
codec);
strcat(a, costr);
}
}
}
}
strcat(m, "\r\n");
len = strlen(v) + strlen(s) + strlen(o) + strlen(c) + strlen(t) + strlen(m) + strlen(a);
snprintf(costr, sizeof(costr), "%d", len);
add_header(resp, "Content-Type", "application/sdp");
@ -2079,6 +2167,14 @@ static int transmit_message_with_text(struct sip_pvt *p, char *text)
return send_request(p, &req);
}
static int transmit_info_with_digit(struct sip_pvt *p, char digit)
{
struct sip_request req;
reqprep(&req, p, "INFO", 1);
add_digit(&req, digit);
return send_request(p, &req);
}
static int transmit_request(struct sip_pvt *p, char *msg, int inc)
{
struct sip_request resp;
@ -2574,7 +2670,8 @@ static int check_user(struct sip_pvt *p, struct sip_request *req, char *cmd, cha
strncpy(p->accountcode, user->accountcode, sizeof(p->accountcode) -1);
p->canreinvite = user->canreinvite;
p->amaflags = user->amaflags;
p->dtmfmode = user->dtmfmode;
if (user->dtmfmode)
p->dtmfmode = user->dtmfmode;
}
break;
}
@ -2772,6 +2869,7 @@ static char *complete_sipch(char *line, char *word, int pos, int state)
static int sip_show_channel(int fd, int argc, char *argv[])
{
struct sip_pvt *cur;
char tmp[256];
if (argc != 4)
return RESULT_SHOWUSAGE;
ast_pthread_mutex_lock(&iflock);
@ -2782,6 +2880,14 @@ static int sip_show_channel(int fd, int argc, char *argv[])
ast_cli(fd, "Theoretical Address: %s:%d\n", inet_ntoa(cur->sa.sin_addr), ntohs(cur->sa.sin_port));
ast_cli(fd, "Received Address: %s:%d\n", inet_ntoa(cur->recv.sin_addr), ntohs(cur->recv.sin_port));
ast_cli(fd, "NAT Support: %s\n", cur->nat ? "Yes" : "No");
strcpy(tmp, "");
if (cur->dtmfmode & SIP_DTMF_RFC2833)
strcat(tmp, "rfc2833 ");
if (cur->dtmfmode & SIP_DTMF_INFO)
strcat(tmp, "info ");
if (cur->dtmfmode & SIP_DTMF_INBAND)
strcat(tmp, "inband ");
ast_cli(fd, "DTMF Mode: %s\n", tmp);
break;
}
cur = cur->next;
@ -2844,15 +2950,15 @@ static int reply_digest(struct sip_pvt *p, struct sip_request *req, char *header
static int do_register_auth(struct sip_pvt *p, struct sip_request *req) {
char digest[256];
memset(digest,0,sizeof(digest));
reply_digest(p,req, "WWW-Authenticate", "REGISTER", (char *)&digest, sizeof(digest) );
return transmit_register(p->registry,"REGISTER",(char *)&digest);
reply_digest(p,req, "WWW-Authenticate", "REGISTER", digest, sizeof(digest) );
return transmit_register(p->registry,"REGISTER",digest);
}
static int do_proxy_auth(struct sip_pvt *p, struct sip_request *req) {
char digest[256];
memset(digest,0,sizeof(digest));
reply_digest(p,req, "Proxy-Authenticate", "INVITE", (char *)&digest, sizeof(digest) );
return transmit_invite(p,"INVITE",1,(char *)&digest, NULL);
reply_digest(p,req, "Proxy-Authenticate", "INVITE", digest, sizeof(digest) );
return transmit_invite(p,"INVITE",1,digest, NULL);
}
static int reply_digest(struct sip_pvt *p, struct sip_request *req, char *header, char *orig_header, char *digest, int digest_len) {
@ -3083,7 +3189,6 @@ retrylock:
/* char *exp; */
int expires;
struct sip_registry *r;
transmit_request(p, "ACK", 0);
r=p->registry;
r->regstate=REG_STATE_REGISTERED;
ast_log(LOG_NOTICE, "Registration successful\n");
@ -3829,7 +3934,6 @@ static struct sip_user *build_user(char *name, struct ast_variable *v)
user->canreinvite = 1;
/* JK02: set default context */
strcpy(user->context, context);
user->dtmfmode = SIP_DTMF_RFC2833;
while(v) {
if (!strcasecmp(v->name, "context")) {
strncpy(user->context, v->value, sizeof(user->context));
@ -3869,7 +3973,8 @@ static struct sip_user *build_user(char *name, struct ast_variable *v)
}
} else if (!strcasecmp(v->name, "insecure")) {
user->insecure = ast_true(v->value);
}
} //else if (strcasecmp(v->name,"type"))
// ast_log(LOG_WARNING, "Ignoring %s\n", v->name);
v = v->next;
}
}
@ -3924,7 +4029,7 @@ static struct sip_peer *build_peer(char *name, struct ast_variable *v)
peer->capability = capability;
/* Assume can reinvite */
peer->canreinvite = 1;
peer->dtmfmode = SIP_DTMF_RFC2833;
peer->dtmfmode = 0;
while(v) {
if (!strcasecmp(v->name, "secret"))
strncpy(peer->secret, v->value, sizeof(peer->secret)-1);
@ -4017,8 +4122,8 @@ static struct sip_peer *build_peer(char *name, struct ast_variable *v)
ast_log(LOG_WARNING, "Qualification of peer '%s' should be 'yes', 'no', or a number of milliseconds at line %d of iax.conf\n", peer->name, v->lineno);
peer->maxms = 0;
}
}
} //else if (strcasecmp(v->name,"type"))
// ast_log(LOG_WARNING, "Ignoring %s\n", v->name);
v=v->next;
}
if (!strlen(peer->methods))
@ -4039,6 +4144,8 @@ static int reload_config(void)
struct hostent *hp;
int format;
int oldport = ntohs(bindaddr.sin_port);
globaldtmfmode = SIP_DTMF_RFC2833;
if (gethostname(ourhost, sizeof(ourhost))) {
ast_log(LOG_WARNING, "Unable to get hostname, SIP disabled\n");
@ -4065,6 +4172,17 @@ static int reload_config(void)
/* Create the interface list */
if (!strcasecmp(v->name, "context")) {
strncpy(context, v->value, sizeof(context)-1);
} else if (!strcasecmp(v->name, "dtmfmode")) {
if (!strcasecmp(v->value, "inband"))
globaldtmfmode=SIP_DTMF_INBAND;
else if (!strcasecmp(v->value, "rfc2833"))
globaldtmfmode = SIP_DTMF_RFC2833;
else if (!strcasecmp(v->value, "info"))
globaldtmfmode = SIP_DTMF_INFO;
else {
ast_log(LOG_WARNING, "Unknown dtmf mode '%s', using rfc2833\n", v->value);
globaldtmfmode = SIP_DTMF_RFC2833;
}
} else if (!strcasecmp(v->name, "language")) {
strncpy(language, v->value, sizeof(language)-1);
} else if (!strcasecmp(v->name, "nat")) {
@ -4122,9 +4240,9 @@ static int reload_config(void)
} else {
ast_log(LOG_WARNING, "Invalid port number '%s' at line %d of %s\n", v->value, v->lineno, config);
}
} else
ast_log(LOG_NOTICE, "Ignoring unknown SIP general keyword '%s'\n", v->name);
v = v->next;
} //else if (strcasecmp(v->name,"type"))
// ast_log(LOG_WARNING, "Ignoring %s\n", v->name);
v = v->next;
}
cat = ast_category_browse(cfg, NULL);
@ -4181,6 +4299,12 @@ static int reload_config(void)
if (sipsock < 0) {
ast_log(LOG_WARNING, "Unable to create SIP socket: %s\n", strerror(errno));
} else {
// Allow SIP clients on the same host to access us:
const int reuseFlag = 1;
setsockopt(sipsock, SOL_SOCKET, SO_REUSEADDR,
(const char*)&reuseFlag,
sizeof reuseFlag);
if (bind(sipsock, (struct sockaddr *)&bindaddr, sizeof(bindaddr)) < 0) {
ast_log(LOG_WARNING, "Failed to bind to %s:%d: %s\n",
inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),

4
channels/chan_zap.c
View File

@ -6285,7 +6285,7 @@ int load_module()
strncpy(idledial, v->value, sizeof(idledial) - 1);
#endif
} else
ast_log(LOG_DEBUG, "Ignoring %s\n", v->name);
ast_log(LOG_WARNING, "Ignoring %s\n", v->name);
v = v->next;
}
ast_pthread_mutex_unlock(&iflock);
@ -6638,7 +6638,7 @@ static int reload_zt(void)
strncpy(idledial, v->value, sizeof(idledial) - 1);
#endif
} else
ast_log(LOG_DEBUG, "Ignoring %s\n", v->name);
ast_log(LOG_WARNING, "Ignoring %s\n", v->name);
v = v->next;
}

63
cli.c
View File

@ -217,6 +217,14 @@ static char showchan_help[] =
"Usage: show channel <channel>\n"
" Shows lots of information about the specified channel.\n";
static char debugchan_help[] =
"Usage: debug channel <channel>\n"
" Enables debugging on a specific channel.\n";
static char nodebugchan_help[] =
"Usage: no debug channel <channel>\n"
" Disables debugging on a specific channel.\n";
static char commandcomplete_help[] =
"Usage: _command complete \"<line>\" text state\n"
" This function is used internally to help with command completion and should.\n"
@ -323,6 +331,50 @@ static int handle_commandcomplete(int fd, int argc, char *argv[])
return RESULT_SUCCESS;
}
static int handle_debugchan(int fd, int argc, char *argv[])
{
struct ast_channel *c=NULL;
if (argc != 3)
return RESULT_SHOWUSAGE;
c = ast_channel_walk(NULL);
while(c) {
if (!strcasecmp(c->name, argv[2])) {
c->fin |= 0x80000000;
c->fout |= 0x80000000;
break;
}
c = ast_channel_walk(c);
}
if (c)
ast_cli(fd, "Debugging enabled on channel %s\n", c->name);
else
ast_cli(fd, "No such channel %s\n", argv[2]);
return RESULT_SUCCESS;
}
static int handle_nodebugchan(int fd, int argc, char *argv[])
{
struct ast_channel *c=NULL;
if (argc != 4)
return RESULT_SHOWUSAGE;
c = ast_channel_walk(NULL);
while(c) {
if (!strcasecmp(c->name, argv[3])) {
c->fin &= 0x7fffffff;
c->fout &= 0x7fffffff;
break;
}
c = ast_channel_walk(c);
}
if (c)
ast_cli(fd, "Debugging disabled on channel %s\n", c->name);
else
ast_cli(fd, "No such channel %s\n", argv[2]);
return RESULT_SUCCESS;
}
static int handle_showchan(int fd, int argc, char *argv[])
{
struct ast_channel *c=NULL;
@ -343,8 +395,8 @@ static int handle_showchan(int fd, int argc, char *argv[])
" WriteFormat: %d\n"
" ReadFormat: %d\n"
"1st File Descriptor: %d\n"
" Frames in: %d\n"
" Frames out: %d\n"
" Frames in: %d%s\n"
" Frames out: %d%s\n"
" Time to Hangup: %d\n"
" -- PBX --\n"
" Context: %s\n"
@ -357,7 +409,8 @@ static int handle_showchan(int fd, int argc, char *argv[])
c->name, c->type,
(c->callerid ? c->callerid : "(N/A)"),
(c->dnid ? c->dnid : "(N/A)" ), ast_state2str(c->_state), c->_state, c->rings, c->nativeformats, c->writeformat, c->readformat,
c->fds[0], c->fin, c->fout, c->whentohangup,
c->fds[0], c->fin & 0x7fffffff, (c->fin & 0x80000000) ? " (DEBUGGED)" : "",
c->fout & 0x7fffffff, (c->fout & 0x80000000) ? " (DEBUGGED)" : "", c->whentohangup,
c->context, c->exten, c->priority, ( c->appl ? c->appl : "(N/A)" ),
( c-> data ? (strlen(c->data) ? c->data : "(Empty)") : "(None)"),
c->stack, (c->blocking ? c->blockproc : "(Not Blocking)"));
@ -406,11 +459,13 @@ static int handle_help(int fd, int argc, char *argv[]);
static struct ast_cli_entry builtins[] = {
/* Keep alphabetized */
{ { "help", NULL }, handle_help, "Display help list, or specific help on a command", help_help },
{ { "_command", "complete", NULL }, handle_commandcomplete, "Command complete", commandcomplete_help },
{ { "_command", "nummatches", NULL }, handle_commandnummatches, "Returns number of command matches", commandnummatches_help },
{ { "_command", "matchesarray", NULL }, handle_commandmatchesarray, "Returns command matches array", commandmatchesarray_help },
{ { "debug", "channel", NULL }, handle_debugchan, "Enable debugging on a channel", debugchan_help, complete_ch },
{ { "help", NULL }, handle_help, "Display help list, or specific help on a command", help_help },
{ { "load", NULL }, handle_load, "Load a dynamic module by name", load_help, complete_fn },
{ { "no", "debug", "channel", NULL }, handle_nodebugchan, "Disable debugging on a channel", nodebugchan_help, complete_ch },
{ { "reload", NULL }, handle_reload, "Reload configuration", reload_help },
{ { "set", "verbose", NULL }, handle_set_verbose, "Set level of verboseness", set_verbose_help },
{ { "show", "channel", NULL }, handle_showchan, "Display information on a specific channel", showchan_help, complete_ch },

3
configs/extensions.conf.sample
View File

@ -21,7 +21,8 @@ writeprotect=no
;
; The "Globals" category contains global variables that can be referenced
; in the dialplan with ${VARIABLE}
; in the dialplan with ${VARIABLE} or ${ENV(VARIABLE)} for Environmental variable
; ${${VARIABLE}} or ${text${VARIABLE}} or any hybrid
;
[globals]
CONSOLE=Console/dsp ; Console interface for demo

156
frame.c
View File

@ -16,6 +16,7 @@
#include <asterisk/logger.h>
#include <asterisk/options.h>
#include <asterisk/cli.h>
#include <asterisk/term.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
@ -346,6 +347,161 @@ int ast_getformatbyname(char *name)
return 0;
}
void ast_frame_dump(char *name, struct ast_frame *f, char *prefix)
{
char *n = "unknown";
char ftype[40] = "Unknown Frametype";
char cft[80];
char subclass[40] = "Unknown Subclass";
char csub[80];
char moreinfo[40] = "";
char cn[40];
char cp[40];
char cmn[40];
if (name)
n = name;
if (!f) {
ast_verbose("%s [ %s (NULL) ] [%s]\n",
term_color(cp, prefix, COLOR_BRMAGENTA, COLOR_BLACK, sizeof(cp)),
term_color(cft, "HANGUP", COLOR_BRRED, COLOR_BLACK, sizeof(cft)),
term_color(cn, n, COLOR_YELLOW, COLOR_BLACK, sizeof(cn)));
return;
}
/* XXX We should probably print one each of voice and video when the format changes XXX */
if (f->frametype == AST_FRAME_VOICE)
return;
if (f->frametype == AST_FRAME_VIDEO)
return;
switch(f->frametype) {
case AST_FRAME_DTMF:
strcpy(ftype, "DTMF");
subclass[0] = f->subclass;
subclass[1] = '\0';
break;
case AST_FRAME_CONTROL:
strcpy(ftype, "Control");
switch(f->subclass) {
case AST_CONTROL_HANGUP:
strcpy(subclass, "Hangup");
break;
case AST_CONTROL_RING:
strcpy(subclass, "Ring");
break;
case AST_CONTROL_RINGING:
strcpy(subclass, "Ringing");
break;
case AST_CONTROL_ANSWER:
strcpy(subclass, "Answer");
break;
case AST_CONTROL_BUSY:
strcpy(subclass, "Busy");
break;
case AST_CONTROL_TAKEOFFHOOK:
strcpy(subclass, "Take Off Hook");
break;
case AST_CONTROL_OFFHOOK:
strcpy(subclass, "Line Off Hook");
break;
case AST_CONTROL_CONGESTION:
strcpy(subclass, "Congestion");
break;
case AST_CONTROL_FLASH:
strcpy(subclass, "Flash");
break;
case AST_CONTROL_WINK:
strcpy(subclass, "Wink");
break;
case AST_CONTROL_OPTION:
strcpy(subclass, "Option");
break;
case AST_CONTROL_RADIO_KEY:
strcpy(subclass, "Key Radio");
break;
case AST_CONTROL_RADIO_UNKEY:
strcpy(subclass, "Unkey Radio");
break;
default:
snprintf(subclass, sizeof(subclass), "Unknown control '%d'", f->subclass);
}
case AST_FRAME_NULL:
strcpy(ftype, "Null Frame");
strcpy(subclass, "N/A");
break;
case AST_FRAME_IAX:
/* Should never happen */
strcpy(ftype, "IAX Specific");
snprintf(subclass, sizeof(subclass), "IAX Frametype %d", f->subclass);
break;
case AST_FRAME_TEXT:
strcpy(ftype, "Text");
strcpy(subclass, "N/A");
strncpy(moreinfo, f->data, sizeof(moreinfo) - 1);
break;
case AST_FRAME_IMAGE:
strcpy(ftype, "Image");
snprintf(subclass, sizeof(subclass), "Image format %d\n", f->subclass);
break;
case AST_FRAME_HTML:
strcpy(ftype, "HTML");
switch(f->subclass) {
case AST_HTML_URL:
strcpy(subclass, "URL");
strncpy(moreinfo, f->data, sizeof(moreinfo) - 1);
break;
case AST_HTML_DATA:
strcpy(subclass, "Data");
break;
case AST_HTML_BEGIN:
strcpy(subclass, "Begin");
break;
case AST_HTML_END:
strcpy(subclass, "End");
break;
case AST_HTML_LDCOMPLETE:
strcpy(subclass, "Load Complete");
break;
case AST_HTML_NOSUPPORT:
strcpy(subclass, "No Support");
break;
case AST_HTML_LINKURL:
strcpy(subclass, "Link URL");
strncpy(moreinfo, f->data, sizeof(moreinfo) - 1);
break;
case AST_HTML_UNLINK:
strcpy(subclass, "Unlink");
break;
case AST_HTML_LINKREJECT:
strcpy(subclass, "Link Reject");
break;
default:
snprintf(subclass, sizeof(subclass), "Unknown HTML frame '%d'\n", f->subclass);
break;
}
break;
default:
snprintf(ftype, sizeof(ftype), "Unknown Frametype '%d'", f->frametype);
}
if (strlen(moreinfo))
ast_verbose("%s [ TYPE: %s (%d) SUBCLASS: %s (%d) '%s' ] [%s]\n",
term_color(cp, prefix, COLOR_BRMAGENTA, COLOR_BLACK, sizeof(cp)),
term_color(cft, ftype, COLOR_BRRED, COLOR_BLACK, sizeof(cft)),
f->frametype,
term_color(csub, subclass, COLOR_BRCYAN, COLOR_BLACK, sizeof(csub)),
f->subclass,
term_color(cmn, moreinfo, COLOR_BRGREEN, COLOR_BLACK, sizeof(cmn)),
term_color(cn, n, COLOR_YELLOW, COLOR_BLACK, sizeof(cn)));
else
ast_verbose("%s [ TYPE: %s (%d) SUBCLASS: %s (%d) ] [%s]\n",
term_color(cp, prefix, COLOR_BRMAGENTA, COLOR_BLACK, sizeof(cp)),
term_color(cft, ftype, COLOR_BRRED, COLOR_BLACK, sizeof(cft)),
f->frametype,
term_color(csub, subclass, COLOR_BRCYAN, COLOR_BLACK, sizeof(csub)),
f->subclass,
term_color(cn, n, COLOR_YELLOW, COLOR_BLACK, sizeof(cn)));
}
#ifdef TRACE_FRAMES
static int show_frame_stats(int fd, int argc, char *argv[])
{

2
include/asterisk/frame.h
View File

@ -291,6 +291,8 @@ extern void ast_smoother_reset(struct ast_smoother *s, int bytes);
extern int ast_smoother_feed(struct ast_smoother *s, struct ast_frame *f);
extern struct ast_frame *ast_smoother_read(struct ast_smoother *s);
extern void ast_frame_dump(char *name, struct ast_frame *f, char *prefix);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif

30
include/asterisk/rtp.h
View File

@ -25,6 +25,14 @@
extern "C" {
#endif
/* Codes for RTP-specific data - not defined by our AST_FORMAT codes */
/*! DTMF (RFC2833) */
#define AST_RTP_DTMF (1 << 0)
/*! 'Comfort Noise' (RFC3389) */
#define AST_RTP_CN (1 << 1)
/*! Maximum RTP-specific code */
#define AST_RTP_MAX AST_RTP_CN
struct ast_rtp_protocol {
struct ast_rtp *(*get_rtp_info)(struct ast_channel *chan); /* Get RTP struct, or NULL if unwilling to transfer */
int (*set_rtp_peer)(struct ast_channel *chan, struct ast_rtp *peer); /* Set RTP peer */
@ -61,14 +69,24 @@ int ast_rtp_senddigit(struct ast_rtp *rtp, char digit);
int ast_rtp_settos(struct ast_rtp *rtp, int tos);
// Setting RTP payload types from lines in a SDP description:
void rtp_pt_init(struct ast_rtp* rtp);
void rtp_set_m_type(struct ast_rtp* rtp, int pt);
void rtp_set_rtpmap_type(struct ast_rtp* rtp, int pt,
char* mimeType, char* mimeSubtype);
// Mapping between RTP payload format codes and Asterisk codes:
struct rtpPayloadType rtp_lookup_pt(struct ast_rtp* rtp, int pt);
int rtp_lookup_code(struct ast_rtp* rtp, int isAstFormat, int code);
void rtp_get_current_formats(struct ast_rtp* rtp,
int* astFormats, int* nonAstFormats);
// Mapping an Asterisk code into a MIME subtype (string):
char* rtp_lookup_mime_subtype(int isAstFormat, int code);
void ast_rtp_setnat(struct ast_rtp *rtp, int nat);
int ast2rtp(int id);
int rtp2ast(int id);
char *ast2rtpn(int id);
int ast_rtp_bridge(struct ast_channel *c0, struct ast_channel *c1, int flags, struct ast_frame **fo, struct ast_channel **rc);
int ast_rtp_proto_register(struct ast_rtp_protocol *proto);

2
manager.c
View File

@ -772,6 +772,6 @@ int init_manager(void)
int reload_manager(void)
{
manager_event(EVENT_FLAG_SYSTEM, "Reload", NULL);
manager_event(EVENT_FLAG_SYSTEM, "Reload", "Message: Reload Requested\r\n");
return init_manager();
}

29
pbx.c
View File

@ -754,6 +754,14 @@ static void pbx_substitute_variables_temp(struct ast_channel *c,char *cp3,char *
*cp4=ast_var_value(variables);
}
}
if (!(*cp4)) {
int len=strlen(cp3);
int len_env=strlen("ENV(");
if (len > (len_env+1) && !strncasecmp(cp3,"ENV(",len_env) && !strcmp(cp3+len-1,")")) {
cp3[len-1]='\0';
*cp4=getenv(cp3+len_env);
}
}
}
}
@ -1101,27 +1109,6 @@ int ast_pbx_run(struct ast_channel *c)
c->pbx->rtimeout = 10;
c->pbx->dtimeout = 5;
if (option_debug)
ast_log(LOG_DEBUG, "PBX_THREAD(%s)\n", c->name);
else if (option_verbose > 1) {
struct timeval tv;
struct tm tm;
FILE *LOG;
gettimeofday(&tv,NULL);
localtime_r(&(tv.tv_sec),&tm);
LOG = fopen(AST_SPOOL_DIR "/call.log","a");
if (c->callerid) {
ast_verbose( VERBOSE_PREFIX_2 "Accepting call on '%s' (%s) at %02d-%02d %02d:%02d\n", c->name, c->callerid, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min);
fprintf(LOG,"%04d-%02d-%02d %02d:%02d:%02d - %s - %s\n",tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec, c->name, c->callerid);
} else {
ast_verbose( VERBOSE_PREFIX_2 "Accepting call on '%s' at %02d-%02d %02d:%02d\n", c->name, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min);
fprintf(LOG,"%04d-%02d-%02d %02d:%02d:%02d - %s\n",tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec, c->name);
}
fclose(LOG);
}
/* Start by trying whatever the channel is set to */
if (!ast_exists_extension(c, c->context, c->exten, c->priority, c->callerid)) {
/* JK02: If not successfull fall back to 's' */

274
rtp.c
View File

@ -39,6 +39,14 @@
static int dtmftimeout = 300; /* 300 samples */
// The value of each RTP payload format mapping:
struct rtpPayloadType {
int isAstFormat; // whether the following code is an AST_FORMAT
int code;
};
#define MAX_RTP_PT 256
struct ast_rtp {
int s;
char resp;
@ -62,6 +70,11 @@ struct ast_rtp {
struct io_context *io;
void *data;
ast_rtp_callback callback;
struct rtpPayloadType current_RTP_PT[MAX_RTP_PT];
// a cache for the result of rtp_lookup_code():
int rtp_lookup_code_cache_isAstFormat;
int rtp_lookup_code_cache_code;
int rtp_lookup_code_cache_result;
};
static struct ast_rtp_protocol *protos = NULL;
@ -204,41 +217,6 @@ static struct ast_frame *process_rfc3389(struct ast_rtp *rtp, unsigned char *dat
return f;
}
static struct ast_frame *process_type121(struct ast_rtp *rtp, unsigned char *data, int len)
{
char resp = 0;
struct ast_frame *f = NULL;
unsigned char b0,b1,b2,b3,b4,b5,b6,b7;
b0=*(data+0);b1=*(data+1);b2=*(data+2);b3=*(data+3);
b4=*(data+4);b5=*(data+5);b6=*(data+6);b7=*(data+7);
// printf("%u %u %u %u %u %u %u %u\n",b0,b1,b2,b3,b4,b5,b6,b7);
if (b2==32) {
// printf("Start %d\n",b3);
if (b4==0) {
// printf("Detection point for DTMF %d\n",b3);
if (b3<10) {
resp='0'+b3;
} else if (b3<11) {
resp='*';
} else if (b3<12) {
resp='#';
} else if (b3<16) {
resp='A'+(b3-12);
}
rtp->resp=resp;
f = send_dtmf(rtp);
}
}
if (b2==3) {
// printf("Stop(3) %d\n",b3);
}
if (b2==0) {
// printf("Stop(0) %d\n",b3);
}
return f;
}
static int rtpread(int *id, int fd, short events, void *cbdata)
{
struct ast_rtp *rtp = cbdata;
@ -262,6 +240,7 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
unsigned int timestamp;
unsigned int *rtpheader;
static struct ast_frame *f, null_frame = { AST_FRAME_NULL, };
struct rtpPayloadType rtpPT;
len = sizeof(sin);
@ -297,29 +276,24 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
printf("Got RTP packet from %s:%d (type %d, seq %d, ts %d, len = %d)\n", inet_ntoa(sin.sin_addr), ntohs(sin.sin_port), payloadtype, seqno, timestamp,res - hdrlen);
#endif
rtp->f.frametype = AST_FRAME_VOICE;
rtp->f.subclass = rtp2ast(payloadtype);
if (rtp->f.subclass < 0) {
f = NULL;
if (payloadtype == 101) {
/* It's special -- rfc2833 process it */
f = process_rfc2833(rtp, rtp->rawdata + AST_FRIENDLY_OFFSET + hdrlen, res - hdrlen);
} else if (payloadtype == 121) {
/* CISCO proprietary DTMF bridge */
f = process_type121(rtp, rtp->rawdata + AST_FRIENDLY_OFFSET + hdrlen, res - hdrlen);
} else if (payloadtype == 100) {
/* CISCO's notso proprietary DTMF bridge */
f = process_rfc2833(rtp, rtp->rawdata + AST_FRIENDLY_OFFSET + hdrlen, res - hdrlen);
} else if (payloadtype == 13) {
f = process_rfc3389(rtp, rtp->rawdata + AST_FRIENDLY_OFFSET + hdrlen, res - hdrlen);
} else {
ast_log(LOG_NOTICE, "Unknown RTP codec %d received\n", payloadtype);
}
if (f)
return f;
else
return &null_frame;
} else
rtp->lastrxformat = rtp->f.subclass;
rtpPT = rtp_lookup_pt(rtp, payloadtype);
if (!rtpPT.isAstFormat) {
// This is special in-band data that's not one of our codecs
if (rtpPT.code == AST_RTP_DTMF) {
/* It's special -- rfc2833 process it */
f = process_rfc2833(rtp, rtp->rawdata + AST_FRIENDLY_OFFSET + hdrlen, res - hdrlen);
if (f) return f; else return &null_frame;
} else if (rtpPT.code == AST_RTP_CN) {
/* Comfort Noise */
f = process_rfc3389(rtp, rtp->rawdata + AST_FRIENDLY_OFFSET + hdrlen, res - hdrlen);
if (f) return f; else return &null_frame;
} else {
ast_log(LOG_NOTICE, "Unknown RTP codec %d received\n", payloadtype);
return &null_frame;
}
}
rtp->f.subclass = rtpPT.code;
rtp->lastrxformat = rtp->f.subclass;
if (!rtp->lastrxts)
rtp->lastrxts = timestamp;
@ -367,6 +341,10 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
case AST_FORMAT_G723_1:
rtp->f.samples = g723_samples(rtp->f.data, rtp->f.datalen);
break;
case AST_FORMAT_SPEEX:
rtp->f.samples = 160;
// assumes that the RTP packet contained one Speex frame
break;
default:
ast_log(LOG_NOTICE, "Unable to calculate samples for format %d\n", rtp->f.subclass);
break;
@ -375,48 +353,151 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
return &rtp->f;
}
// The following array defines the MIME type (and subtype) for each
// of our codecs, or RTP-specific data type.
static struct {
int rtp;
int ast;
char *label;
} cmap[] = {
{ 0, AST_FORMAT_ULAW, "PCMU" },
{ 3, AST_FORMAT_GSM, "GSM" },
{ 4, AST_FORMAT_G723_1, "G723" },
{ 5, AST_FORMAT_ADPCM, "ADPCM" },
{ 8, AST_FORMAT_ALAW, "PCMA" },
{ 18, AST_FORMAT_G729A, "G729" },
struct rtpPayloadType payloadType;
char* type;
char* subtype;
} mimeTypes[] = {
{{1, AST_FORMAT_G723_1}, "audio", "G723"},
{{1, AST_FORMAT_GSM}, "audio", "GSM"},
{{1, AST_FORMAT_ULAW}, "audio", "PCMU"},
{{1, AST_FORMAT_ALAW}, "audio", "PCMA"},
{{1, AST_FORMAT_MP3}, "audio", "MPA"},
{{1, AST_FORMAT_ADPCM}, "audio", "DVI4"},
{{1, AST_FORMAT_SLINEAR}, "audio", "L16"},
{{1, AST_FORMAT_LPC10}, "audio", "LPC"},
{{1, AST_FORMAT_G729A}, "audio", "G729"},
{{1, AST_FORMAT_SPEEX}, "audio", "SPEEX"},
{{0, AST_RTP_DTMF}, "audio", "TELEPHONE-EVENT"},
{{0, AST_RTP_CN}, "audio", "CN"},
{{1, AST_FORMAT_JPEG}, "video", "JPEG"},
{{1, AST_FORMAT_PNG}, "video", "PNG"},
{{1, AST_FORMAT_H261}, "video", "H261"},
{{1, AST_FORMAT_H263}, "video", "H263"},
};
int rtp2ast(int id)
{
int x;
for (x=0;x<sizeof(cmap) / sizeof(cmap[0]); x++) {
if (cmap[x].rtp == id)
return cmap[x].ast;
}
return -1;
// Static (i.e., well-known) RTP payload types for our "AST_FORMAT..."s:
static struct rtpPayloadType static_RTP_PT[MAX_RTP_PT] = {
[0] = {1, AST_FORMAT_ULAW},
[3] = {1, AST_FORMAT_GSM},
[4] = {1, AST_FORMAT_G723_1},
[5] = {1, AST_FORMAT_ADPCM}, // 8 kHz
[6] = {1, AST_FORMAT_ADPCM}, // 16 kHz
[7] = {1, AST_FORMAT_LPC10},
[8] = {1, AST_FORMAT_ALAW},
[10] = {1, AST_FORMAT_SLINEAR}, // 2 channels
[11] = {1, AST_FORMAT_SLINEAR}, // 1 channel
[13] = {0, AST_RTP_CN},
[14] = {1, AST_FORMAT_MP3},
[16] = {1, AST_FORMAT_ADPCM}, // 11.025 kHz
[17] = {1, AST_FORMAT_ADPCM}, // 22.050 kHz
[18] = {1, AST_FORMAT_G729A},
[26] = {1, AST_FORMAT_JPEG},
[31] = {1, AST_FORMAT_H261},
[34] = {1, AST_FORMAT_H263},
};
void rtp_pt_init(struct ast_rtp* rtp) {
int i;
for (i = 0; i < MAX_RTP_PT; ++i) {
rtp->current_RTP_PT[i].isAstFormat = 0;
rtp->current_RTP_PT[i].code = 0;
}
rtp->rtp_lookup_code_cache_isAstFormat = 0;
rtp->rtp_lookup_code_cache_code = 0;
rtp->rtp_lookup_code_cache_result = 0;
}
int ast2rtp(int id)
{
int x;
for (x=0;x<sizeof(cmap) / sizeof(cmap[0]); x++) {
if (cmap[x].ast == id)
return cmap[x].rtp;
}
return -1;
// Make a note of a RTP payload type that was seen in a SDP "m=" line.
// By default, use the well-known value for this type (although it may
// still be set to a different value by a subsequent "a=rtpmap:" line):
void rtp_set_m_type(struct ast_rtp* rtp, int pt) {
if (pt < 0 || pt > MAX_RTP_PT) return; // bogus payload type
if (static_RTP_PT[pt].code != 0) {
rtp->current_RTP_PT[pt] = static_RTP_PT[pt];
}
}
// Make a note of a RTP payload type (with MIME type) that was seen in
// a SDP "a=rtpmap:" line.
void rtp_set_rtpmap_type(struct ast_rtp* rtp, int pt,
char* mimeType, char* mimeSubtype) {
int i;
if (pt < 0 || pt > MAX_RTP_PT) return; // bogus payload type
for (i = 0; i < sizeof mimeTypes/sizeof mimeTypes[0]; ++i) {
if (strcmp(mimeSubtype, mimeTypes[i].subtype) == 0 &&
strcmp(mimeType, mimeTypes[i].type) == 0) {
rtp->current_RTP_PT[pt] = mimeTypes[i].payloadType;
return;
}
}
}
// Return the union of all of the codecs that were set by rtp_set...() calls
// They're returned as two distinct sets: AST_FORMATs, and AST_RTPs
void rtp_get_current_formats(struct ast_rtp* rtp,
int* astFormats, int* nonAstFormats) {
int pt;
*astFormats = *nonAstFormats = 0;
for (pt = 0; pt < MAX_RTP_PT; ++pt) {
if (rtp->current_RTP_PT[pt].isAstFormat) {
*astFormats |= rtp->current_RTP_PT[pt].code;
} else {
*nonAstFormats |= rtp->current_RTP_PT[pt].code;
}
}
}
char *ast2rtpn(int id)
{
int x;
for (x=0;x<sizeof(cmap) / sizeof(cmap[0]); x++) {
if (cmap[x].ast == id)
return cmap[x].label;
}
return "";
struct rtpPayloadType rtp_lookup_pt(struct ast_rtp* rtp, int pt) {
if (pt < 0 || pt > MAX_RTP_PT) {
struct rtpPayloadType result;
result.isAstFormat = result.code = 0;
return result; // bogus payload type
}
return rtp->current_RTP_PT[pt];
}
int rtp_lookup_code(struct ast_rtp* rtp, int isAstFormat, int code) {
int pt;
if (isAstFormat == rtp->rtp_lookup_code_cache_isAstFormat &&
code == rtp->rtp_lookup_code_cache_code) {
// Use our cached mapping, to avoid the overhead of the loop below
return rtp->rtp_lookup_code_cache_result;
}
for (pt = 0; pt < MAX_RTP_PT; ++pt) {
if (rtp->current_RTP_PT[pt].code == code &&
rtp->current_RTP_PT[pt].isAstFormat == isAstFormat) {
rtp->rtp_lookup_code_cache_isAstFormat = isAstFormat;
rtp->rtp_lookup_code_cache_code = code;
rtp->rtp_lookup_code_cache_result = pt;
return pt;
}
}
return -1;
}
char* rtp_lookup_mime_subtype(int isAstFormat, int code) {
int i;
for (i = 0; i < sizeof mimeTypes/sizeof mimeTypes[0]; ++i) {
if (mimeTypes[i].payloadType.code == code &&
mimeTypes[i].payloadType.isAstFormat == isAstFormat) {
return mimeTypes[i].subtype;
}
}
return "";
}
struct ast_rtp *ast_rtp_new(struct sched_context *sched, struct io_context *io)
{
struct ast_rtp *rtp;
@ -604,6 +685,10 @@ static int ast_rtp_raw_write(struct ast_rtp *rtp, struct ast_frame *f, int codec
case AST_FORMAT_G723_1:
pred = rtp->lastts + g723_samples(f->data, f->datalen);
break;
case AST_FORMAT_SPEEX:
pred = rtp->lastts + 160;
// assumes that the RTP packet contains one Speex frame
break;
default:
ast_log(LOG_WARNING, "Not sure about timestamp format for codec format %d\n", f->subclass);
}
@ -648,7 +733,7 @@ int ast_rtp_write(struct ast_rtp *rtp, struct ast_frame *_f)
return -1;
}
codec = ast2rtp(_f->subclass);
codec = rtp_lookup_code(rtp, 1, _f->subclass);
if (codec < 0) {
ast_log(LOG_WARNING, "Don't know how to send format %d packets with RTP\n", _f->subclass);
return -1;
@ -706,6 +791,9 @@ int ast_rtp_write(struct ast_rtp *rtp, struct ast_frame *_f)
break;
default:
ast_log(LOG_WARNING, "Not sure about sending format %d packets\n", _f->subclass);
// fall through to...
case AST_FORMAT_SPEEX:
// Don't buffer outgoing frames; send them one-per-packet:
if (_f->offset < hdrlen) {
f = ast_frdup(_f);
} else {