diff options
author | Pablo Neira Ayuso <pablo@gnumonks.org> | 2011-10-05 13:07:01 +0200 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@gnumonks.org> | 2011-10-05 13:43:21 +0200 |
commit | 602df1ec4cf103d8722260d3a4ba577c26fdf27a (patch) | |
tree | 9d23115456679c864f09b7b6a9a50ce835ac308a /examples/stream-client.c | |
parent | 7c20d4ef1e27974910c79979649fcba2a95ad1f8 (diff) |
examples: add stream server/client example
This patch adds a couple of examples that allow chatting between
the client and the server. For simplicity, the example only support
one client.
Diffstat (limited to 'examples/stream-client.c')
-rw-r--r-- | examples/stream-client.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/examples/stream-client.c b/examples/stream-client.c new file mode 100644 index 0000000..441e681 --- /dev/null +++ b/examples/stream-client.c @@ -0,0 +1,124 @@ +/* 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 stream_client_test_cat[] = { + [DSTREAMTEST] = { + .name = "DSTREAMTEST", + .description = "STREAMCLIENT-mode test", + .color = "\033[1;35m", + .enabled = 1, .loglevel = LOGL_DEBUG, + }, +}; + +const struct log_info stream_client_test_log_info = { + .filter_fn = NULL, + .cat = stream_client_test_cat, + .num_cat = ARRAY_SIZE(stream_client_test_cat), +}; + +static struct stream_client_conn *conn; + +void sighandler(int foo) +{ + LOGP(DSTREAMTEST, LOGL_NOTICE, "closing stream.\n"); + exit(EXIT_SUCCESS); +} + +static int connect_cb(struct stream_client_conn *conn) +{ + LOGP(DSTREAMTEST, LOGL_NOTICE, "connected\n"); + return 0; +} + +static int read_cb(struct 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, "stream_client: cannot allocate message\n"); + return 0; + } + ptr = msgb_put(msg, strlen(buf)); + memcpy(ptr, buf, ret); + + 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, "stream_client_test"); + + osmo_init_logging(&stream_client_test_log_info); + log_set_log_level(osmo_stderr_target, 1); + + /* + * initialize stream client. + */ + + conn = stream_client_conn_create(tall_test); + if (conn == NULL) { + fprintf(stderr, "cannot create client\n"); + exit(EXIT_FAILURE); + } + stream_client_conn_set_addr(conn, "127.0.0.1"); + stream_client_conn_set_port(conn, 10000); + stream_client_conn_set_connect_cb(conn, connect_cb); + stream_client_conn_set_read_cb(conn, read_cb); + + if (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); + } +} |