145 lines
3.2 KiB
C
145 lines
3.2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <signal.h>
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#include <unistd.h>
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#include <arpa/inet.h>
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#include <time.h>
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/application.h>
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#include <osmocom/core/select.h>
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#include <osmocom/netif/rtp.h>
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#include <osmocom/netif/datagram.h>
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#define DRTP_TEST 0
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struct log_info_cat rtp_test_cat[] = {
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[DRTP_TEST] = {
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.name = "DRTP_TEST",
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.description = "RTP client test",
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.color = "\033[1;35m",
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.enabled = 1, .loglevel = LOGL_DEBUG,
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},
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};
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const struct log_info rtp_test_log_info = {
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.filter_fn = NULL,
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.cat = rtp_test_cat,
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.num_cat = ARRAY_SIZE(rtp_test_cat),
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};
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static struct osmo_dgram *conn;
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static struct osmo_rtp_handle *rtp;
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static int read_cb(struct osmo_dgram *conn)
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{
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struct msgb *msg;
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struct rtp_hdr *rtph;
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LOGP(DLINP, LOGL_DEBUG, "received message\n");
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msg = msgb_alloc(RTP_MSGB_SIZE, "RTP/test");
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if (msg == NULL) {
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LOGP(DRTP_TEST, LOGL_ERROR, "cannot allocate message\n");
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return -1;
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}
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if (osmo_dgram_recv(conn, msg) < 0) {
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msgb_free(msg);
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LOGP(DRTP_TEST, LOGL_ERROR, "cannot receive message\n");
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return -1;
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}
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rtph = osmo_rtp_get_hdr(msg);
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if (rtph == NULL) {
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msgb_free(msg);
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LOGP(DRTP_TEST, LOGL_ERROR, "cannot parse RTP message\n");
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return -1;
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}
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LOGP(DLINP, LOGL_DEBUG, "received message with payload type: %d\n",
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rtph->payload_type);
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msgb_free(msg);
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return 0;
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}
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void sighandler(int foo)
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{
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LOGP(DLINP, LOGL_NOTICE, "closing RTP.\n");
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osmo_dgram_close(conn);
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osmo_dgram_destroy(conn);
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osmo_rtp_handle_free(rtp);
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exit(EXIT_SUCCESS);
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}
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static void *tall_test;
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int main(int argc, char *argv[])
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{
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int i;
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char dummy_data[RTP_PT_GSM_FULL_PAYLOAD_LEN] = "payload test";
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signal(SIGINT, sighandler);
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tall_test = talloc_named_const(NULL, 1, "rtp_test");
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msgb_talloc_ctx_init(tall_test, 0);
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osmo_init_logging2(tall_test, &rtp_test_log_info);
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log_set_log_level(osmo_stderr_target, LOGL_DEBUG);
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/*
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* initialize RTP stuff.
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*/
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rtp = osmo_rtp_handle_create(tall_test);
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if (rtp == NULL) {
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LOGP(DLINP, LOGL_ERROR, "creating RTP handler\n");
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exit(EXIT_FAILURE);
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}
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osmo_rtp_handle_tx_set_sequence(rtp, random());
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osmo_rtp_handle_tx_set_ssrc(rtp, random());
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osmo_rtp_handle_tx_set_timestamp(rtp, time(NULL));
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/*
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* initialize datagram socket.
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*/
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conn = osmo_dgram_create(tall_test);
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if (conn == NULL) {
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fprintf(stderr, "cannot create client\n");
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exit(EXIT_FAILURE);
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}
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osmo_dgram_set_local_addr(conn, "127.0.0.1");
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osmo_dgram_set_local_port(conn, 20001);
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osmo_dgram_set_remote_addr(conn, "127.0.0.1");
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osmo_dgram_set_remote_port(conn, 20000);
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osmo_dgram_set_read_cb(conn, read_cb);
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if (osmo_dgram_open(conn) < 0) {
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fprintf(stderr, "cannot open client\n");
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exit(EXIT_FAILURE);
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}
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for(i=0; i<10; i++) {
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struct msgb *msg;
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msg = osmo_rtp_build(rtp, RTP_PT_GSM_FULL,
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RTP_PT_GSM_FULL_PAYLOAD_LEN,
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dummy_data, RTP_PT_GSM_FULL_DURATION);
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if (msg == NULL) {
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LOGP(DLINP, LOGL_ERROR, "OOM\n");
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continue;
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}
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osmo_dgram_send(conn, msg);
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}
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LOGP(DLINP, LOGL_NOTICE, "Entering main loop\n");
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while(1) {
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osmo_select_main(0);
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}
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}
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