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/* stream client example. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.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>
#define DSTREAMTEST 0
struct log_info_cat osmo_stream_client_test_cat[] = {
[DSTREAMTEST] = {
.name = "DSTREAMTEST",
.description = "STREAMCLIENT-mode test",
.color = "\033[1;35m",
.enabled = 1, .loglevel = LOGL_DEBUG,
},
};
const struct log_info osmo_stream_client_test_log_info = {
.filter_fn = NULL,
.cat = osmo_stream_client_test_cat,
.num_cat = ARRAY_SIZE(osmo_stream_client_test_cat),
};
static struct osmo_stream_client_conn *conn;
void sighandler(int foo)
{
LOGP(DSTREAMTEST, LOGL_NOTICE, "closing stream.\n");
exit(EXIT_SUCCESS);
}
static int connect_cb(struct osmo_stream_client_conn *conn)
{
LOGP(DSTREAMTEST, LOGL_NOTICE, "connected\n");
return 0;
}
static int read_cb(struct osmo_stream_client_conn *conn, struct msgb *msg)
{
LOGP(DSTREAMTEST, LOGL_NOTICE, "received message from stream\n");
return 0;
}
static void *tall_test;
static int kbd_cb(struct osmo_fd *fd, unsigned int what)
{
char buf[1024];
struct msgb *msg;
uint8_t *ptr;
int ret;
ret = read(STDIN_FILENO, buf, sizeof(buf));
LOGP(DSTREAMTEST, LOGL_NOTICE, "read %d byte from keyboard\n", ret);
msg = msgb_alloc(1024, "STREAMCLIENT/test");
if (msg == NULL) {
LOGP(DSTREAMTEST, LOGL_ERROR, "cannot allocate message\n");
return 0;
}
ptr = msgb_put(msg, strlen(buf));
memcpy(ptr, buf, ret);
osmo_stream_client_conn_send(conn, msg);
LOGP(DSTREAMTEST, LOGL_NOTICE, "message of %d bytes sent\n", msg->len);
return 0;
}
int main(void)
{
struct osmo_fd *kbd_ofd;
tall_test = talloc_named_const(NULL, 1, "osmo_stream_client_test");
osmo_init_logging(&osmo_stream_client_test_log_info);
log_set_log_level(osmo_stderr_target, 1);
/*
* initialize stream client.
*/
conn = osmo_stream_client_conn_create(tall_test);
if (conn == NULL) {
fprintf(stderr, "cannot create client\n");
exit(EXIT_FAILURE);
}
osmo_stream_client_conn_set_addr(conn, "127.0.0.1");
osmo_stream_client_conn_set_port(conn, 10000);
osmo_stream_client_conn_set_connect_cb(conn, connect_cb);
osmo_stream_client_conn_set_read_cb(conn, read_cb);
if (osmo_stream_client_conn_open(conn) < 0) {
fprintf(stderr, "cannot open client\n");
exit(EXIT_FAILURE);
}
kbd_ofd = talloc_zero(tall_test, struct osmo_fd);
if (!kbd_ofd) {
LOGP(DSTREAMTEST, LOGL_ERROR, "OOM\n");
exit(EXIT_FAILURE);
}
kbd_ofd->fd = STDIN_FILENO;
kbd_ofd->when = BSC_FD_READ;
kbd_ofd->data = conn;
kbd_ofd->cb = kbd_cb;
osmo_fd_register(kbd_ofd);
LOGP(DSTREAMTEST, LOGL_NOTICE, "Entering main loop\n");
while(1) {
osmo_select_main(0);
}
}
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