volatile bool bar_responded = false;
void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
- if(mesh)
+ if(mesh) {
fprintf(stderr, "(%s) ", mesh->name);
+ }
+
fprintf(stderr, "[%d] %s\n", level, text);
}
void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
- if(!strcmp(node->name, "bar"))
+ (void)mesh;
+
+ if(!strcmp(node->name, "bar")) {
bar_reachable = reachable;
+ }
}
void foo_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
- if(len == 5 && !memcmp(data, "Hello", 5))
+ (void)mesh;
+ (void)channel;
+ (void)len;
+
+ if(len == 5 && !memcmp(data, "Hello", 5)) {
bar_responded = true;
+ }
}
void bar_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
}
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) {
- if(port != 7)
+ if(port != 7) {
return false;
+ }
+
meshlink_set_channel_receive_cb(mesh, channel, bar_receive_cb);
- if(data)
+
+ if(data) {
bar_receive_cb(mesh, channel, data, len);
+ }
+
return true;
}
void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
+ (void)len;
+
meshlink_set_channel_poll_cb(mesh, channel, NULL);
- if(meshlink_channel_send(mesh, channel, "Hello", 5) != 5)
+
+ if(meshlink_channel_send(mesh, channel, "Hello", 5) != 5) {
fprintf(stderr, "Could not send whole message\n");
+ }
}
int main1(int rfd, int wfd) {
meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
meshlink_handle_t *mesh1 = meshlink_open("channels_conf.1", "foo", "channels", DEV_CLASS_BACKBONE);
+
if(!mesh1) {
fprintf(stderr, "Could not initialize configuration for foo\n");
return 1;
}
+ meshlink_enable_discovery(mesh1, false);
+
meshlink_add_address(mesh1, "localhost");
char *data = meshlink_export(mesh1);
+
if(!data) {
fprintf(stderr, "Foo could not export its configuration\n");
return 1;
}
size_t len = strlen(data);
- write(wfd, &len, sizeof len);
+ write(wfd, &len, sizeof(len));
write(wfd, data, len);
free(data);
- read(rfd, &len, sizeof len);
+ read(rfd, &len, sizeof(len));
char indata[len + 1];
read(rfd, indata, len);
indata[len] = 0;
for(int i = 0; i < 20; i++) {
sleep(1);
- if(bar_reachable)
+
+ if(bar_reachable) {
break;
+ }
}
if(!bar_reachable) {
}
// Open a channel from foo to bar.
-
+
meshlink_node_t *bar = meshlink_get_node(mesh1, "bar");
+
if(!bar) {
fprintf(stderr, "Foo could not find bar\n");
return 1;
for(int i = 0; i < 5; i++) {
sleep(1);
- if(bar_responded)
+
+ if(bar_responded) {
break;
+ }
}
if(!bar_responded) {
meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
meshlink_handle_t *mesh2 = meshlink_open("channels_conf.2", "bar", "channels", DEV_CLASS_BACKBONE);
+
if(!mesh2) {
fprintf(stderr, "Could not initialize configuration for bar\n");
return 1;
}
+ meshlink_enable_discovery(mesh2, false);
+
char *data = meshlink_export(mesh2);
+
if(!data) {
fprintf(stderr, "Bar could not export its configuration\n");
return 1;
}
size_t len = strlen(data);
- if(write(wfd, &len, sizeof len) <= 0) abort();
- if(write(wfd, data, len) <= 0) abort();
+
+ if(write(wfd, &len, sizeof(len)) <= 0) {
+ abort();
+ }
+
+ if(write(wfd, data, len) <= 0) {
+ abort();
+ }
+
free(data);
- read(rfd, &len, sizeof len);
+ read(rfd, &len, sizeof(len));
char indata[len + 1];
read(rfd, indata, len);
indata[len] = 0;
}
-int main(int argc, char *argv[]) {
- int fda[2], fdb[2], result;
+int main() {
+ int fda[2], fdb[2];
pipe2(fda, 0);
pipe2(fdb, 0);
- if(fork())
+ if(fork()) {
return main1(fda[0], fdb[1]);
- else
+ } else {
return main2(fdb[0], fda[1]);
+ }
}