SWITCH_MODULE_LOAD_FUNCTION(mod_esf_load);
SWITCH_MODULE_DEFINITION(mod_esf, mod_esf_load, NULL, NULL);
+
+
+#ifdef _MSC_VER
+#pragma pack(push, r1, 1)
+#else
+#pragma pack(1)
+#endif
+
+
+struct polycom_packet {
+ switch_byte_t op;
+ switch_byte_t channel;
+ uint32_t serno;
+ uint8_t cid_len;
+ unsigned char cid[13];
+};
+
+typedef struct polycom_packet polycom_packet_t;
+
+typedef struct {
+ switch_byte_t codec;
+ switch_byte_t flags;
+ uint32_t seq;
+} polycom_audio_header_t;
+
+
+typedef struct polycom_alert_packet {
+ polycom_packet_t header;
+ polycom_audio_header_t audio_header;
+ uint8_t data[];
+} polycom_alert_packet_t;
+
+
+#ifdef _MSC_VER
+#pragma pack(pop, r1)
+#else
+#pragma pack()
+#endif
+
struct ls_control_packet {
uint32_t unique_id;
uint32_t command;
typedef enum {
SEND_TYPE_UNKNOWN = 0,
SEND_TYPE_RTP = 1,
- SEND_TYPE_RAW = 2,
- SEND_TYPE_NOMEDIA = 3
+ SEND_TYPE_NOMEDIA = 2
} ls_how_t;
+static uint32_t SERNO = 0;
+
+switch_mutex_t *MUTEX = NULL;
+
+uint32_t get_serno(void)
+{
+ uint32_t r = 0;
+
+ switch_mutex_lock(MUTEX);
+ r = SERNO;
+ switch_mutex_unlock(MUTEX);
+
+ return r;
+}
+
+
+void inc_serno(void)
+{
+ switch_mutex_lock(MUTEX);
+ SERNO++;
+ switch_mutex_unlock(MUTEX);
+
+}
+
+void dec_serno(void)
+{
+ switch_mutex_lock(MUTEX);
+ SERNO--;
+ switch_mutex_unlock(MUTEX);
+
+}
+
+
SWITCH_STANDARD_APP(bcast_function)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
- switch_socket_t *socket;
- switch_sockaddr_t *audio_addr = NULL, *control_packet_addr;
+ switch_socket_t *socket, *polycom_socket = NULL;
+ switch_sockaddr_t *audio_addr = NULL, *control_packet_addr = NULL, *polycom_addr = NULL, *local_addr = NULL;
switch_frame_t *read_frame = NULL;
switch_status_t status;
switch_size_t bytes;
ls_control_packet_t control_packet;
+ unsigned char polycom_buf[1024] = { 0 };
+ unsigned char last_polycom_buf[1024] = { 0 };
+ uint32_t last_polycom_len = 0;
+ polycom_packet_t *polycom_packet = (polycom_packet_t *) polycom_buf;
+ polycom_alert_packet_t *alert_packet = (polycom_alert_packet_t *) polycom_buf;
switch_codec_t codec = { 0 };
+ switch_codec_t write_codec = { 0 };
switch_rtp_flag_t flags[SWITCH_RTP_FLAG_INVALID] = {0};
const char *err;
switch_rtp_t *rtp_session = NULL;
- switch_port_t rtp_port;
- char guess_ip[25];
+ switch_port_t rtp_port = 0;
ls_how_t ready = SEND_TYPE_UNKNOWN;
- //int argc;
char *mydata, *argv[5];
char *mcast_ip = "224.168.168.168";
switch_port_t mcast_port = 34567;
switch_port_t mcast_control_port = 6061;
char *mcast_port_str = "34567";
- const char *esf_broadcast_ip = NULL, *var;
+ char *polycom_ip = "224.0.1.116";
+ const char *source_ip = NULL;
+ switch_port_t polycom_port = 5001;
+ const char *var;
switch_codec_implementation_t read_impl = { 0 };
int mcast_ttl = 1;
+ const char *caller_id_name = NULL;
+ int x = 0;
+ uint32_t seq = 0;
+ const char *codec_name = "PCMU";
+ int read_rate = 8000;
+ int need_transcode = 0;
+
+ inc_serno();
switch_core_session_get_read_impl(session, &read_impl);
}
}
+ switch_channel_set_variable_printf(channel, "multicast_ttl", "%d", mcast_ttl);
+
+
if (switch_true(switch_channel_get_variable(channel, SWITCH_BYPASS_MEDIA_VARIABLE))) {
switch_core_session_message_t msg = { 0 };
switch_channel_answer(channel);
}
+ if (!(source_ip = switch_channel_get_variable(channel, "esf_multicast_bind_ip"))) {
+ if (!(source_ip = switch_channel_get_variable(channel, "local_ip_v4"))) {
+ source_ip = "127.0.0.1";
+ }
+ }
+
+ /* everyone */
+
+ if (switch_sockaddr_info_get(&local_addr, source_ip, SWITCH_UNSPEC,
+ 0, 0, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "address Error\n");
+ goto fail;
+ }
+
if (switch_socket_create(&socket, AF_INET, SOCK_DGRAM, 0, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Socket Error 1\n");
goto fail;
}
- if (switch_mcast_hops(socket, (uint8_t) mcast_ttl) != SWITCH_STATUS_SUCCESS) {
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Mutlicast TTL set failed\n");
+ if (switch_socket_opt_set(socket, SWITCH_SO_REUSEADDR, 1) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Socket Option Error\n");
goto fail;
}
goto fail;
}
+ if (switch_socket_bind(socket, local_addr) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Socket bind Error\n");
+ goto fail;
+ }
+
+ if (switch_mcast_interface(socket, local_addr) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Socket interface Error\n");
+ goto fail;
+ }
+
+ if (switch_mcast_join(socket, control_packet_addr, NULL, NULL) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Multicast Error\n");
+ goto fail;
+ }
+
+
+ if (switch_mcast_hops(socket, (uint8_t) mcast_ttl) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Mutlicast TTL set failed\n");
+ goto fail;
+ }
+
+ /* polycom */
+
+
+ if (switch_sockaddr_info_get(&polycom_addr, polycom_ip, SWITCH_UNSPEC,
+ polycom_port, 0, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Socket Error 3\n");
+ goto fail;
+ }
+
+ if (switch_socket_create(&polycom_socket, AF_INET, SOCK_DGRAM, 0, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Socket Error 1\n");
+ goto fail;
+ }
+
+ if (switch_socket_opt_set(polycom_socket, SWITCH_SO_REUSEADDR, 1) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Socket Option Error\n");
+ goto fail;
+ }
+
+ if (switch_socket_bind(polycom_socket, local_addr) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Socket bind Error\n");
+ goto fail;
+ }
+
+
+ if (switch_mcast_interface(polycom_socket, local_addr) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Socket interface Error\n");
+ goto fail;
+ }
+
+ if (switch_mcast_join(polycom_socket, polycom_addr, NULL, NULL) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Multicast Error\n");
+ goto fail;
+ }
+
+ if (switch_mcast_hops(polycom_socket, (uint8_t) mcast_ttl) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Mutlicast TTL set failed\n");
+ goto fail;
+ }
+
+
while (!ready) {
status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
- if (read_frame && switch_test_flag(read_frame, SFF_CNG)) {
- continue;
- }
if (!SWITCH_READ_ACCEPTABLE(status) || !read_frame) {
goto fail;
}
- if (read_frame->packet && read_frame->packetlen && read_impl.ianacode == 0) {
- ready = SEND_TYPE_RAW;
- } else {
- ready = SEND_TYPE_RTP;
+
+ if (switch_test_flag(read_frame, SFF_CNG)) {
+ continue;
+ }
+
+
+ ready = SEND_TYPE_RTP;
+ }
+
+
+ alert_packet->audio_header.codec = 0x00;
+ alert_packet->audio_header.flags = 0;
+
+ if ((var = switch_channel_get_variable(channel, "esf_multicast_write_codec"))) {
+ if (!strcasecmp(var, "PCMU")) {
+ codec_name = var;
+ } else if (!strcasecmp(var, "G722")) {
+ codec_name = var;
+ read_rate = 16000;
+ alert_packet->audio_header.codec = 0x09;
}
}
+
if (ready == SEND_TYPE_RTP) {
- if (read_impl.ianacode != 0) {
+ if (strcasecmp(read_impl.iananame, codec_name)) {
+ need_transcode = 1;
+
if (switch_core_codec_init(&codec,
"L16",
NULL,
- 8000,
+ read_rate,
20,
1, SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
NULL, switch_core_session_get_pool(session)) == SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec Activation Fail\n");
goto fail;
}
- }
- if ((var = switch_channel_get_variable(channel, "esf_broadcast_ip"))) {
- esf_broadcast_ip = switch_core_session_strdup(session, var);
- } else {
- switch_find_local_ip(guess_ip, sizeof(guess_ip), NULL, AF_INET);
- esf_broadcast_ip = guess_ip;
+ if (switch_core_codec_init(&write_codec,
+ codec_name,
+ NULL,
+ 8000,
+ 20,
+ 1, SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
+ NULL, switch_core_session_get_pool(session)) == SWITCH_STATUS_SUCCESS) {
+ switch_core_session_set_read_codec(session, &codec);
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Codec Activation Success\n");
+ } else {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec Activation Fail\n");
+ goto fail;
+ }
}
+
-
- if (!(rtp_port = switch_rtp_request_port(esf_broadcast_ip))) {
+ if (!(rtp_port = switch_rtp_request_port(source_ip))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "RTP Port Error\n");
goto fail;
}
- rtp_session = switch_rtp_new(esf_broadcast_ip,
+ rtp_session = switch_rtp_new(source_ip,
rtp_port,
mcast_ip,
mcast_port,
- 0,
+ alert_packet->audio_header.codec,
160,
20000, flags, "soft", &err, switch_core_session_get_pool(session));
-
+
if (!switch_rtp_ready(rtp_session)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "RTP Error\n");
goto fail;
}
+
} else if (ready == SEND_TYPE_NOMEDIA) {
switch_yield(10000);
- } else if (ready == SEND_TYPE_RAW) {
- if (switch_sockaddr_info_get(&audio_addr, mcast_ip, SWITCH_UNSPEC, mcast_port, 0, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Socket Error 2\n");
- goto fail;
- }
}
control_packet.unique_id = htonl((u_long) switch_epoch_time_now(NULL));
bytes = 16;
switch_socket_sendto(socket, control_packet_addr, 0, (void *) &control_packet, &bytes);
+
+ if (!(caller_id_name = switch_channel_get_variable(channel, "caller_id_name"))) {
+ caller_id_name = "FreeSWITCH";
+ }
+
+ strncpy((char *)polycom_packet->cid, caller_id_name, sizeof(polycom_packet->cid));
+ polycom_packet->cid_len = 13;
+
+ polycom_packet->op = 0x0F;
+ polycom_packet->channel = 0x1a;
+ polycom_packet->serno = htonl(get_serno());
+
+ if ((var = switch_channel_get_variable(channel, "esf_multicast_channel"))) {
+ int channel_no = atoi(var);
+
+ if (channel_no > 0 && channel_no < 255) {
+ polycom_packet->channel = (uint8_t) channel_no;
+ }
+ }
+
+ for (x = 0; x < 32; x++) {
+ bytes = sizeof(polycom_packet_t);
+ switch_socket_sendto(socket, polycom_addr, 0, (void *) polycom_packet, &bytes);
+ //switch_yield(30000);
+ }
+
+ polycom_packet->op = 0x10;
+
+ if ((var = switch_channel_get_variable(channel, "esf_multicast_alert_sound"))) {
+ switch_ivr_displace_session(session, var, 0, "mr");
+ }
+
while (switch_channel_ready(channel)) {
status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
if (!SWITCH_READ_ACCEPTABLE(status)) {
break;
}
+
if (switch_test_flag(read_frame, SFF_CNG)) {
continue;
}
+
if (ready == SEND_TYPE_RTP) {
- short *dbuf;
unsigned char *ebuf;
- uint32_t i;
unsigned char encoded_data[4192];
+ uint32_t encoded_datalen = sizeof(encoded_data);
- dbuf = read_frame->data;
- ebuf = encoded_data;
-
- for (i = 0; i < read_frame->datalen / sizeof(short); i++) {
- ebuf[i] = linear_to_ulaw(dbuf[i]);
+ if (need_transcode) {
+ uint32_t rate = codec.implementation->actual_samples_per_second;
+ uint32_t flag = 0;
+
+ ebuf = encoded_data;
+
+ switch_core_codec_encode(&write_codec,
+ &codec,
+ read_frame->data,
+ read_frame->datalen,
+ read_impl.actual_samples_per_second,
+ ebuf, &encoded_datalen, &rate, &flag);
+
+ read_frame->data = encoded_data;
+ read_frame->datalen = encoded_datalen;
+
+ } else {
+ ebuf = read_frame->data;
+ encoded_datalen = read_frame->datalen;
}
- read_frame->data = encoded_data;
- read_frame->datalen = read_frame->datalen / 2;
+
switch_rtp_write_frame(rtp_session, read_frame);
- read_frame->data = dbuf;
- read_frame->datalen = read_frame->datalen * 2;
+
+ seq += 160;
+
+ alert_packet->audio_header.seq = htonl(seq);
+
+ if (last_polycom_len) {
+ memcpy(alert_packet->data, last_polycom_buf, last_polycom_len);
+ memcpy(alert_packet->data + last_polycom_len, ebuf, encoded_datalen);
+ } else {
+ memcpy(alert_packet->data, ebuf, encoded_datalen);
+ }
+
+ bytes = sizeof(*alert_packet) + encoded_datalen + last_polycom_len;
+
+ switch_socket_sendto(socket, polycom_addr, 0, (void *) polycom_buf, &bytes);
+
+ last_polycom_len = encoded_datalen;
+ memcpy((void *)last_polycom_buf, (void *)ebuf, last_polycom_len);
+
} else {
bytes = read_frame->packetlen;
switch_socket_sendto(socket, audio_addr, 0, read_frame->packet, &bytes);
bytes = 8;
switch_socket_sendto(socket, control_packet_addr, 0, (void *) &control_packet, &bytes);
+
+ polycom_packet->op = 0xFF;
+ //switch_yield(50000);
+
+ for (x = 0; x < 12; x++) {
+ bytes = sizeof(*polycom_packet);
+ switch_socket_sendto(socket, polycom_addr, 0, (void *) polycom_packet, &bytes);
+ //switch_yield(30000);
+ }
+
fail:
switch_core_session_set_read_codec(session, NULL);
if (socket) {
switch_socket_close(socket);
}
+
+ if (polycom_socket) {
+ switch_socket_close(polycom_socket);
+ }
+
+ if (rtp_port) {
+ switch_rtp_release_port(source_ip, rtp_port);
+ }
+
+ dec_serno();
return;
}
{
switch_application_interface_t *app_interface;
+ switch_mutex_init(&MUTEX, SWITCH_MUTEX_NESTED, pool);
+
/* connect my internal structure to the blank pointer passed to me */
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
SWITCH_ADD_APP(app_interface, "esf_page_group", NULL, NULL, bcast_function, NULL, SAF_NONE);
projects / thirdparty / freeswitch.git / commitdiff
