#define _GNU_SOURCE
+#ifdef NDEBUG
+#undef NDEBUG
+#endif
+
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include "../src/meshlink.h"
#include "utils.h"
-volatile bool b_responded = false;
-volatile bool b_closed = false;
-volatile bool a_nonzero_poll_cb = false;
-
-void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
- static struct timeval tv0;
- struct timeval tv;
+static volatile bool b_responded = false;
+static volatile bool b_closed = false;
+static volatile size_t a_poll_cb_len;
- if(tv0.tv_sec == 0)
- gettimeofday(&tv0, NULL);
- gettimeofday(&tv, NULL);
- fprintf(stderr, "%u.%.03u ", (unsigned int)(tv.tv_sec - tv0.tv_sec), (unsigned int)tv.tv_usec / 1000);
-
- if(mesh)
- fprintf(stderr, "(%s) ", mesh->name);
- fprintf(stderr, "[%d] %s\n", level, text);
-}
+static void a_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
+ (void)mesh;
+ (void)channel;
-void a_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
- if(len == 5 && !memcmp(data, "Hello", 5))
+ if(len == 5 && !memcmp(data, "Hello", 5)) {
b_responded = true;
- else if(len == 0)
+ } else if(len == 0) {
b_closed = true;
+ set_sync_flag(channel->priv, true);
+ }
}
-void b_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
+static void b_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
// Send one message back, then close the channel.
- if(len)
- meshlink_channel_send(mesh, channel, data, len);
+ if(len) {
+ assert(meshlink_channel_send(mesh, channel, data, len) == (ssize_t)len);
+ }
meshlink_channel_close(mesh, channel);
}
-bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
+static bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
+ (void)mesh;
+ (void)channel;
+ (void)port;
+ (void)data;
+ (void)len;
+
return false;
}
-bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
+static bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
+ (void)port;
+
meshlink_set_channel_accept_cb(mesh, NULL);
meshlink_set_channel_receive_cb(mesh, channel, b_receive_cb);
- if(data)
+
+ if(data) {
b_receive_cb(mesh, channel, data, len);
+ }
+
return true;
}
-void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
+static void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
+ (void)len;
+
meshlink_set_channel_poll_cb(mesh, channel, NULL);
- set_sync_flag(channel->priv);
+ set_sync_flag(channel->priv, true);
}
-void poll_cb2(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
- if(len)
- a_nonzero_poll_cb = true;
+static void poll_cb2(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
+ (void)mesh;
+ (void)channel;
+
+ a_poll_cb_len = len;
+ meshlink_set_channel_poll_cb(mesh, channel, NULL);
+ set_sync_flag(channel->priv, true);
}
-int main(int argc, char *argv[]) {
+int main(void) {
+ meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
+
meshlink_handle_t *a, *b;
open_meshlink_pair(&a, &b, "channels-cornercases");
- //meshlink_set_log_cb(a, MESHLINK_DEBUG, log_cb);
- //meshlink_set_log_cb(b, MESHLINK_DEBUG, log_cb);
// Set the callbacks.
meshlink_node_t *nb = meshlink_get_node(a, "b");
assert(nb);
- struct sync_flag channel_opened = {};
- pthread_mutex_lock(&channel_opened.mutex);
+ struct sync_flag channel_opened = {.flag = false};
- meshlink_channel_t *channel = meshlink_channel_open(a, nb, 7, a_receive_cb, NULL, 0);
+ meshlink_channel_t *channel = meshlink_channel_open(a, nb, 7, a_receive_cb, &channel_opened, 0);
assert(channel);
- channel->priv = &channel_opened;
meshlink_set_channel_poll_cb(a, channel, poll_cb);
// Start MeshLink and wait for the channel to become connected.
assert(wait_sync_flag(&channel_opened, 20));
// Re-initialize everything
- close_meshlink_pair(a, b, "channels-cornercases");
+ meshlink_channel_close(a, channel);
+ close_meshlink_pair(a, b);
b_responded = false;
b_closed = false;
channel_opened.flag = false;
nb = meshlink_get_node(a, "b");
assert(nb);
- channel = meshlink_channel_open(a, nb, 7, a_receive_cb, NULL, 0);
+ channel = meshlink_channel_open(a, nb, 7, a_receive_cb, &channel_opened, 0);
assert(channel);
- channel->priv = &channel_opened;
meshlink_set_channel_poll_cb(a, channel, poll_cb);
assert(wait_sync_flag(&channel_opened, 20));
// Send a message to b
- meshlink_channel_send(a, channel, "Hello", 5);
-
- sleep(1);
+ struct sync_flag channel_closed = {.flag = false};
+ channel->priv = &channel_closed;
+ assert(meshlink_channel_send(a, channel, "Hello", 5) == 5);
+ assert(wait_sync_flag(&channel_closed, 20));
assert(b_responded);
assert(b_closed);
// Try to create a second channel
-
- meshlink_channel_t *channel2 = meshlink_channel_open(a, nb, 7, a_receive_cb, NULL, 0);
+
+ struct sync_flag channel_polled = {.flag = false};
+
+ meshlink_channel_t *channel2 = meshlink_channel_open(a, nb, 7, a_receive_cb, &channel_polled, 0);
assert(channel2);
meshlink_set_channel_poll_cb(a, channel2, poll_cb2);
- sleep(1);
+ assert(wait_sync_flag(&channel_polled, 20));
- assert(!a_nonzero_poll_cb);
+ assert(0 == a_poll_cb_len);
- return 0;
+ meshlink_channel_close(a, channel);
+ meshlink_channel_close(a, channel2);
+ close_meshlink_pair(a, b);
}