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/* IPA stream srv example */
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <osmocom/core/select.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/msgb.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/application.h>
#include <osmocom/netif/stream.h>
#include <osmocom/netif/ipa.h>
static void *tall_test;
#define DSTREAMTEST 0
struct log_info_cat osmo_stream_srv_test_cat[] = {
[DSTREAMTEST] = {
.name = "DSTREAMTEST",
.description = "STREAMSERVER-mode test",
.color = "\033[1;35m",
.enabled = 1, .loglevel = LOGL_NOTICE,
},
};
const struct log_info osmo_stream_srv_test_log_info = {
.filter_fn = NULL,
.cat = osmo_stream_srv_test_cat,
.num_cat = ARRAY_SIZE(osmo_stream_srv_test_cat),
};
static struct osmo_stream_srv_link *srv;
static struct osmo_stream_srv *conn;
void sighandler(int foo)
{
LOGP(DSTREAMTEST, LOGL_NOTICE, "closing STREAMSERVER.\n");
exit(EXIT_SUCCESS);
}
int read_cb(struct osmo_stream_srv *conn, int res, struct msgb *msg)
{
if (res <= 0) {
LOGP(DSTREAMTEST, LOGL_ERROR, "cannot receive message (%d)\n", res);
msgb_free(msg);
osmo_stream_srv_destroy(conn);
return -EBADF;
}
LOGP(DSTREAMTEST, LOGL_DEBUG, "received message from stream (payload len=%d)\n", msgb_length(msg));
osmo_ipa_msg_push_headers(msg, osmo_ipa_msgb_cb_proto(msg), osmo_ipa_msgb_cb_proto_ext(msg));
osmo_stream_srv_send(conn, msg);
return 0;
}
static int close_cb(struct osmo_stream_srv *dummy)
{
conn = NULL;
return 0;
}
static int accept_cb(struct osmo_stream_srv_link *srv, int fd)
{
if (conn != NULL) {
LOGP(DSTREAMTEST, LOGL_ERROR, "Sorry, this example only "
"supports one client simultaneously\n");
return -1;
}
conn = osmo_stream_srv_create2(tall_test, srv, fd, NULL);
if (conn == NULL) {
LOGP(DSTREAMTEST, LOGL_ERROR,
"error while creating connection\n");
return -1;
}
osmo_stream_srv_set_name(conn, "ipa_srv");
osmo_stream_srv_set_read_cb(conn, read_cb);
osmo_stream_srv_set_closed_cb(conn, close_cb);
osmo_stream_srv_set_segmentation_cb(conn, osmo_ipa_segmentation_cb);
return 0;
}
int main(void)
{
tall_test = talloc_named_const(NULL, 1, "osmo_stream_srv_test");
msgb_talloc_ctx_init(tall_test, 0);
osmo_init_logging2(tall_test, &osmo_stream_srv_test_log_info);
log_set_log_level(osmo_stderr_target, LOGL_DEBUG);
/*
* initialize stream srv.
*/
srv = osmo_stream_srv_link_create(tall_test);
if (srv == NULL) {
fprintf(stderr, "cannot create client\n");
exit(EXIT_FAILURE);
}
osmo_stream_srv_link_set_addr(srv, "127.0.0.1");
osmo_stream_srv_link_set_port(srv, 10000);
osmo_stream_srv_link_set_accept_cb(srv, accept_cb);
osmo_stream_srv_link_set_nodelay(srv, true);
if (osmo_stream_srv_link_open(srv) < 0) {
fprintf(stderr, "cannot open client\n");
exit(EXIT_FAILURE);
}
LOGP(DSTREAMTEST, LOGL_NOTICE, "Entering main loop\n");
while(1) {
osmo_select_main(0);
}
}
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