1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <time.h>
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/msgb.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/application.h>
#include <osmocom/core/select.h>
#include <osmocom/netif/rtp.h>
#include <osmocom/netif/datagram.h>
#define DRTP_TEST 0
struct log_info_cat rtp_test_cat[] = {
[DRTP_TEST] = {
.name = "DRTP_TEST",
.description = "RTP client test",
.color = "\033[1;35m",
.enabled = 1, .loglevel = LOGL_DEBUG,
},
};
const struct log_info rtp_test_log_info = {
.filter_fn = NULL,
.cat = rtp_test_cat,
.num_cat = ARRAY_SIZE(rtp_test_cat),
};
static struct osmo_dgram *conn;
static struct osmo_rtp_handle *rtp;
static int read_cb(struct osmo_dgram *conn)
{
struct msgb *msg;
struct rtp_hdr *rtph;
LOGP(DLINP, LOGL_DEBUG, "received message\n");
msg = msgb_alloc(RTP_MSGB_SIZE, "RTP/test");
if (msg == NULL) {
LOGP(DRTP_TEST, LOGL_ERROR, "cannot allocate message\n");
return -1;
}
if (osmo_dgram_recv(conn, msg) < 0) {
msgb_free(msg);
LOGP(DRTP_TEST, LOGL_ERROR, "cannot receive message\n");
return -1;
}
rtph = osmo_rtp_get_hdr(msg);
if (rtph == NULL) {
msgb_free(msg);
LOGP(DRTP_TEST, LOGL_ERROR, "cannot parse RTP message\n");
return -1;
}
LOGP(DLINP, LOGL_DEBUG, "received message with payload type: %d\n",
rtph->payload_type);
msgb_free(msg);
return 0;
}
void sighandler(int foo)
{
LOGP(DLINP, LOGL_NOTICE, "closing RTP.\n");
osmo_dgram_close(conn);
osmo_dgram_destroy(conn);
osmo_rtp_handle_free(rtp);
exit(EXIT_SUCCESS);
}
static void *tall_test;
int main(int argc, char *argv[])
{
int i;
char dummy_data[RTP_PT_GSM_FULL_PAYLOAD_LEN] = "payload test";
signal(SIGINT, sighandler);
tall_test = talloc_named_const(NULL, 1, "rtp_test");
msgb_talloc_ctx_init(tall_test, 0);
osmo_init_logging2(tall_test, &rtp_test_log_info);
log_set_log_level(osmo_stderr_target, LOGL_DEBUG);
/*
* initialize RTP stuff.
*/
rtp = osmo_rtp_handle_create(tall_test);
if (rtp == NULL) {
LOGP(DLINP, LOGL_ERROR, "creating RTP handler\n");
exit(EXIT_FAILURE);
}
osmo_rtp_handle_tx_set_sequence(rtp, random());
osmo_rtp_handle_tx_set_ssrc(rtp, random());
osmo_rtp_handle_tx_set_timestamp(rtp, time(NULL));
/*
* initialize datagram socket.
*/
conn = osmo_dgram_create(tall_test);
if (conn == NULL) {
fprintf(stderr, "cannot create client\n");
exit(EXIT_FAILURE);
}
osmo_dgram_set_local_addr(conn, "127.0.0.1");
osmo_dgram_set_local_port(conn, 20001);
osmo_dgram_set_remote_addr(conn, "127.0.0.1");
osmo_dgram_set_remote_port(conn, 20000);
osmo_dgram_set_read_cb(conn, read_cb);
if (osmo_dgram_open(conn) < 0) {
fprintf(stderr, "cannot open client\n");
exit(EXIT_FAILURE);
}
for(i=0; i<10; i++) {
struct msgb *msg;
msg = osmo_rtp_build(rtp, RTP_PT_GSM_FULL,
RTP_PT_GSM_FULL_PAYLOAD_LEN,
dummy_data, RTP_PT_GSM_FULL_DURATION);
if (msg == NULL) {
LOGP(DLINP, LOGL_ERROR, "OOM\n");
continue;
}
osmo_dgram_send(conn, msg);
}
LOGP(DLINP, LOGL_NOTICE, "Entering main loop\n");
while(1) {
osmo_select_main(0);
}
}
|