};
static int delete_event(struct lcr_work *work, void *instance, int index);
+static int load_timer(struct lcr_timer *timer, void *instance, int index);
/*
* initialize SIP port
p_s_rxpos = 0;
p_s_rtp_tx_action = 0;
+ /* audio */
+ memset(&p_s_loadtimer, 0, sizeof(p_s_loadtimer));
+ add_timer(&p_s_loadtimer, load_timer, this, 0);
+ p_s_next_tv_sec = 0;
+
PDEBUG(DEBUG_SIP, "Created new Psip(%s).\n", portname);
if (!p_s_sip_inst)
FATAL("No SIP instance for interface\n");
{
PDEBUG(DEBUG_SIP, "Destroyed SIP process(%s).\n", p_name);
+ del_timer(&p_s_loadtimer);
del_work(&p_s_delete);
rtp_close();
return 0;
}
+ /* record audio */
+ if (psip->p_record)
+ psip->record(payload, payload_len, 0); // from down
+ if (psip->p_tap)
+ psip->tap(payload, payload_len, 0); // from down
+
n = payload_len;
from = payload;
to = payload;
}
while(n--)
*to++ = flip[*from++];
+ if (psip->p_dov_rx)
+ psip->dov_rx(payload, payload_len);
psip->bridge_tx(payload, payload_len);
return 0;
if (rc != 0)
goto try_next_port;
- rc = rtp_sub_socket_bind(p_s_rtcp_fd.fd, &p_s_rtcp_sin_local, ip, next_udp_port+1);
+ rc = rtp_sub_socket_bind(p_s_rtcp_fd.fd, &p_s_rtcp_sin_local, ip, next_udp_port + 1);
if (rc == 0) {
+ p_s_rtp_port_local = next_udp_port;
next_udp_port = (next_udp_port + 2 > RTP_PORT_MAX) ? RTP_PORT_BASE : next_udp_port + 2;
break;
}
rtp_close();
return rc;
}
- p_s_rtp_port_local = next_udp_port;
p_s_rtp_ip_local = ntohl(p_s_rtp_sin_local.sin_addr.s_addr);
PDEBUG(DEBUG_SIP, "local ip %08x port %d\n", p_s_rtp_ip_local, p_s_rtp_port_local);
PDEBUG(DEBUG_SIP, "remote ip %08x port %d\n", p_s_rtp_ip_remote, p_s_rtp_port_remote);
int duration; /* in samples */
unsigned char buffer[256];
+ /* record audio */
+ if (p_record)
+ record(data, len, 1); // from up
+ if (p_tap)
+ tap(data, len, 1); // from up
+
if (!p_s_rtp_is_connected) {
/* drop silently */
return 0;
/* receive from remote */
int Psip::bridge_rx(unsigned char *data, int len)
{
+ int ret;
+
+ /* don't bridge, if tones are provided */
+ if (p_tone_name[0] || p_dov_tx)
+ return -EBUSY;
+
+ if (p_dov_tx)
+ return -EBUSY;
+
+ if ((ret = Port::bridge_rx(data, len)))
+ return ret;
+
/* write to rx buffer */
while(len--) {
p_s_rxdata[p_s_rxpos++] = flip[*data++];
void Psip::i_invite(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tagss[])
{
struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
- const char *from = "", *to = "";
+ const char *from = "", *to = "", *name = "";
+ char imsi[16] = "";
int ret;
class Endpoint *epoint;
struct lcr_msg *message;
int media_types[32];
uint8_t payload_types[32];
int payloads = 0;
+ int media_type;
interface = getinterfacebyname(inst->interface_name);
if (!interface) {
return;
}
- if (sip->sip_from && sip->sip_from->a_url)
- from = sip->sip_from->a_url->url_user;
- if (sip->sip_to && sip->sip_to->a_url)
- to = sip->sip_to->a_url->url_user;
+ if (sip->sip_from) {
+ if (sip->sip_from->a_url)
+ from = sip->sip_from->a_url->url_user;
+ if (sip->sip_from->a_display) {
+ name = sip->sip_from->a_display;
+ if (!strncmp(name, "\"IMSI", 5)) {
+ strncpy(imsi, name + 5, 15);
+ imsi[15] = '\0';
+ name = "";
+ }
+ }
+ }
+ if (sip->sip_to) {
+ if (sip->sip_to->a_url)
+ to = sip->sip_to->a_url->url_user;
+ }
PDEBUG(DEBUG_SIP, "invite received (%s->%s)\n", from, to);
sip_trace_header(this, "Payload received", DIRECTION_NONE);
p_callerinfo.ntype = INFO_NTYPE_UNKNOWN;
SCPY(p_callerinfo.id, from);
add_trace("calling", "number", "%s", from);
+ SCPY(p_callerinfo.name, name);
+ if (name[0])
+ add_trace("calling", "name", "%s", name);
+ SCPY(p_callerinfo.imsi, imsi);
+ if (imsi[0])
+ add_trace("calling", "imsi", "%s", imsi);
}
SCPY(p_callerinfo.interface, inst->interface_name);
/* dialing information */
}
message_put(message);
-#if 0
-issues:
-- send tones that are clocked with timer, unless data is received from bridge
/* send progress, if tones are available and if we don't bridge */
if (!p_s_rtp_bridge && interface->is_tones == IS_YES) {
char sdp_str[256];
unsigned char payload_type;
PDEBUG(DEBUG_SIP, "Connecting audio, since we have tones available\n");
- payload_type = (options.law=='a') ? RTP_PT_ALAW : RTP_PT_ULAW;
+ media_type = (options.law=='a') ? MEDIA_TYPE_ALAW : MEDIA_TYPE_ULAW;
+ payload_type = (options.law=='a') ? PAYLOAD_TYPE_ALAW : PAYLOAD_TYPE_ULAW;
/* open local RTP peer (if not bridging) */
if (rtp_connect() < 0) {
nua_respond(nh, SIP_500_INTERNAL_SERVER_ERROR, TAG_END());
"t=0 0\n"
"m=audio %d RTP/AVP %d\n"
"a=rtpmap:%d %s/8000\n"
- , inet_ntoa(ia), inet_ntoa(ia), p_s_rtp_port_local, payload_type, payload_type, payload_type2name(payload_type));
+ , inet_ntoa(ia), inet_ntoa(ia), p_s_rtp_port_local, payload_type, payload_type, media_type2name(media_type));
PDEBUG(DEBUG_SIP, "Using SDP response: %s\n", sdp_str);
nua_respond(p_s_handle, SIP_183_SESSION_PROGRESS,
NUTAG_MEDIA_ENABLE(0),
SIPTAG_CONTENT_TYPE_STR("application/sdp"),
SIPTAG_PAYLOAD_STR(sdp_str), TAG_END());
- new_state(PORT_STATE_CONNECT);
sip_trace_header(this, "RESPOND", DIRECTION_OUT);
add_trace("respond", "value", "183 SESSION PROGRESS");
add_trace("reason", NULL, "audio available");
add_trace("rtp", "ip", "%s", inet_ntoa(ia));
add_trace("rtp", "port", "%d,%d", p_s_rtp_port_local, p_s_rtp_port_local + 1);
- add_trace("rtp", "payload", "%d", payload_type);
+ add_trace("rtp", "payload", "%s:%d", media_type2name(media_type), payload_type);
end_trace();
}
-#endif
}
void Psip::i_bye(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tagss[])
return 0;
}
+
+/*
+ * generate audio, if no data is received from bridge
+ */
+
+void Psip::set_tone(const char *dir, const char *tone)
+{
+ Port::set_tone(dir, tone);
+
+ update_load();
+}
+
+void Psip::update_load(void)
+{
+ /* don't trigger load event if event already active */
+ if (p_s_loadtimer.active)
+ return;
+
+ /* don't start timer if ... */
+ if (!p_tone_name[0] && !p_dov_tx)
+ return;
+
+ p_s_next_tv_sec = 0;
+ schedule_timer(&p_s_loadtimer, 0, 0); /* no delay the first time */
+}
+
+static int load_timer(struct lcr_timer *timer, void *instance, int index)
+{
+ class Psip *psip = (class Psip *)instance;
+
+ /* stop timer if ... */
+ if (!psip->p_tone_name[0] && !psip->p_dov_tx)
+ return 0;
+
+ psip->load_tx();
+
+ return 0;
+}
+
+#define SEND_SIP_LEN 160
+
+void Psip::load_tx(void)
+{
+ int diff;
+ struct timeval current_time;
+ int tosend = SEND_SIP_LEN, i;
+ unsigned char buf[SEND_SIP_LEN], *p = buf;
+
+ /* get elapsed */
+ gettimeofday(¤t_time, NULL);
+ if (!p_s_next_tv_sec) {
+ /* if timer expired the first time, set next expected timeout 160 samples in advance */
+ p_s_next_tv_sec = current_time.tv_sec;
+ p_s_next_tv_usec = current_time.tv_usec + SEND_SIP_LEN * 125;
+ if (p_s_next_tv_usec >= 1000000) {
+ p_s_next_tv_usec -= 1000000;
+ p_s_next_tv_sec++;
+ }
+ schedule_timer(&p_s_loadtimer, 0, SEND_SIP_LEN * 125);
+ } else {
+ diff = 1000000 * (current_time.tv_sec - p_s_next_tv_sec)
+ + (current_time.tv_usec - p_s_next_tv_usec);
+ if (diff < -SEND_SIP_LEN * 125 || diff > SEND_SIP_LEN * 125) {
+ /* if clock drifts too much, set next timeout event to current timer + 160 */
+ diff = 0;
+ p_s_next_tv_sec = current_time.tv_sec;
+ p_s_next_tv_usec = current_time.tv_usec + SEND_SIP_LEN * 125;
+ if (p_s_next_tv_usec >= 1000000) {
+ p_s_next_tv_usec -= 1000000;
+ p_s_next_tv_sec++;
+ }
+ } else {
+ /* if diff is positive, it took too long, so next timeout will be earlier */
+ p_s_next_tv_usec += SEND_SIP_LEN * 125;
+ if (p_s_next_tv_usec >= 1000000) {
+ p_s_next_tv_usec -= 1000000;
+ p_s_next_tv_sec++;
+ }
+ }
+ schedule_timer(&p_s_loadtimer, 0, SEND_SIP_LEN * 125 - diff);
+ }
+
+ /* copy tones */
+ if (p_tone_name[0]) {
+ tosend -= read_audio(p, tosend);
+ } else
+ if (p_dov_tx) {
+ tosend -= dov_tx(p, tosend);
+ }
+ if (tosend) {
+ PERROR("buffer is not completely filled\n");
+ return;
+ }
+
+ p = buf;
+ for (i = 0; i < SEND_SIP_LEN; i++) {
+ *p = flip[*p];
+ p++;
+ }
+ /* transmit data via rtp */
+ rtp_send_frame(buf, SEND_SIP_LEN, (options.law=='a')?PAYLOAD_TYPE_ALAW:PAYLOAD_TYPE_ULAW);
+}
+
projects / lcr.git / blobdiff