#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
+#include <assert.h>
+#include "utils.h"
#include "../src/meshlink.h"
-volatile bool bar_reachable = false;
-volatile bool bar_responded = false;
+static struct sync_flag b_responded;
-void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
- static struct timeval tv0;
- struct timeval tv;
-
- 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);
-}
-
-void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
- (void)mesh;
-
- printf("status_cb: %s %sreachable\n", node->name, reachable ? "" : "un");
-
- 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) {
+static void a_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
(void)mesh;
(void)channel;
- printf("foo_receive_cb %zu: ", len);
+ printf("a_receive_cb %zu: ", len);
fwrite(data, 1, len, stdout);
printf("\n");
if(len == 5 && !memcmp(data, "Hello", 5)) {
- bar_responded = true;
+ set_sync_flag(&b_responded, true);
}
}
-void bar_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
- printf("bar_receive_cb %zu: ", len);
+static void b_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
+ printf("b_receive_cb %zu: ", len);
fwrite(data, 1, len, stdout);
printf("\n");
// Echo the data back.
meshlink_channel_send(mesh, channel, data, len);
}
-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;
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) {
printf("accept_cb: (from %s on port %u) ", channel->node->name, (unsigned int)port);
if(data) {
return false;
}
- meshlink_set_channel_receive_cb(mesh, channel, bar_receive_cb);
+ meshlink_set_channel_receive_cb(mesh, channel, b_receive_cb);
if(data) {
- bar_receive_cb(mesh, channel, data, len);
+ 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);
- if(meshlink_channel_send(mesh, channel, "Hello", 5) != 5) {
- fprintf(stderr, "Could not send whole message\n");
- }
+ assert(meshlink_channel_send(mesh, channel, "Hello", 5) == 5);
}
int main() {
// Open two new meshlink instance.
- 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_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(mesh1, false);
- meshlink_enable_discovery(mesh2, false);
- meshlink_set_log_cb(mesh1, MESHLINK_DEBUG, log_cb);
- meshlink_set_log_cb(mesh2, MESHLINK_DEBUG, log_cb);
-
- // Import and export both side's data
-
- meshlink_add_address(mesh1, "localhost");
-
- char *data = meshlink_export(mesh1);
-
- if(!data) {
- fprintf(stderr, "Foo could not export its configuration\n");
- return 1;
- }
-
- if(!meshlink_import(mesh2, data)) {
- fprintf(stderr, "Bar could not import foo's configuration\n");
- return 1;
- }
-
- free(data);
-
- data = meshlink_export(mesh2);
-
- if(!data) {
- fprintf(stderr, "Bar could not export its configuration\n");
- return 1;
- }
-
- if(!meshlink_import(mesh1, data)) {
- fprintf(stderr, "Foo could not import bar's configuration\n");
- return 1;
- }
-
- free(data);
+ meshlink_handle_t *mesh_a, *mesh_b;
+ open_meshlink_pair(&mesh_a, &mesh_b, "channels");
// Set the callbacks.
- meshlink_set_channel_accept_cb(mesh1, reject_cb);
- meshlink_set_channel_accept_cb(mesh2, accept_cb);
-
- meshlink_set_node_status_cb(mesh1, status_cb);
+ meshlink_set_channel_accept_cb(mesh_a, reject_cb);
+ meshlink_set_channel_accept_cb(mesh_b, accept_cb);
// Start both instances
- if(!meshlink_start(mesh1)) {
- fprintf(stderr, "Foo could not start\n");
- return 1;
- }
-
- if(!meshlink_start(mesh2)) {
- fprintf(stderr, "Bar could not start\n");
- return 1;
- }
-
- // Wait for the two to connect.
-
- for(int i = 0; i < 20; i++) {
- sleep(1);
+ start_meshlink_pair(mesh_a, mesh_b);
- if(bar_reachable) {
- break;
- }
- }
+ // Open a channel from a to b.
- if(!bar_reachable) {
- fprintf(stderr, "Bar not reachable for foo after 20 seconds\n");
- return 1;
- }
+ meshlink_node_t *b = meshlink_get_node(mesh_a, "b");
+ assert(b);
- // 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;
- }
+ meshlink_channel_t *channel = meshlink_channel_open(mesh_a, b, 7, a_receive_cb, NULL, 0);
+ assert(channel);
- meshlink_channel_t *channel = meshlink_channel_open(mesh1, bar, 7, foo_receive_cb, NULL, 0);
- meshlink_set_channel_poll_cb(mesh1, channel, poll_cb);
+ meshlink_set_channel_poll_cb(mesh_a, channel, poll_cb);
+ assert(wait_sync_flag(&b_responded, 20));
- for(int i = 0; i < 20; i++) {
- sleep(1);
-
- if(bar_responded) {
- break;
- }
- }
-
- if(!bar_responded) {
- fprintf(stderr, "Bar did not respond to foo's channel message\n");
- return 1;
- }
-
- meshlink_channel_close(mesh1, channel);
+ meshlink_channel_close(mesh_a, channel);
// Clean up.
- meshlink_stop(mesh2);
- meshlink_stop(mesh1);
- meshlink_close(mesh2);
- meshlink_close(mesh1);
-
- return 0;
+ close_meshlink_pair(mesh_a, mesh_b);
}
projects / meshlink / blobdiff