X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=test%2Ftrio.c;fp=test%2Ftrio.c;h=0a494c28e3d36f0c2fa8f2f953ee6a0df709a615;hb=8fde91038538d01aaa5b36ebb06b516a8c313364;hp=0000000000000000000000000000000000000000;hpb=d5de0bca747e9ba43bc28fbef54aaf5cfc321f5b;p=meshlink

diff --git a/test/trio.c b/test/trio.c
new file mode 100644
index 00000000..0a494c28
--- /dev/null
+++ b/test/trio.c
@@ -0,0 +1,118 @@
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <assert.h>
+
+#include "meshlink.h"
+#include "utils.h"
+
+static 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);
+}
+
+static bool received = false;
+
+static void receive_cb(meshlink_handle_t *mesh, meshlink_node_t *source, const void *data, size_t len) {
+	fprintf(stderr, "RECEIVED SOMETHING\n");
+	if(len == 5 && !memcmp(data, "Hello", 5))
+		received = true;
+}
+
+int main(int argc, char *argv[]) {
+	// Create three instances.
+
+	const char *name[3] = {"foo", "bar", "baz"};
+	meshlink_handle_t *mesh[3];
+	char *data[3];
+
+	for(int i = 0; i < 3; i++) {
+		char *path;
+		asprintf(&path, "trio_conf.%d", i);
+		assert(path);
+
+		mesh[i] = meshlink_open(path, name[i], "trio", DEV_CLASS_BACKBONE);
+		assert(mesh[i]);
+
+		data[i] = meshlink_export(mesh[i]);
+		assert(data[i]);
+	}
+
+	// first node knows the two other nodes
+
+	for(int i = 1; i < 3; i++) {
+		assert(meshlink_import(mesh[i], data[0]));
+		assert(meshlink_import(mesh[0], data[i]));
+
+		assert(meshlink_get_node(mesh[i], name[0]));
+		assert(meshlink_get_node(mesh[0], name[i]));
+	}
+
+	// second and third node should not know each other yet
+
+	assert(!meshlink_get_node(mesh[1], name[2]));
+	assert(!meshlink_get_node(mesh[2], name[1]));
+
+	// start the nodes
+
+	for(int i = 0; i < 3; i++)
+		meshlink_start(mesh[i]);
+
+	// the nodes should now learn about each other
+
+	assert_after(meshlink_get_node(mesh[1], name[2]), 5);
+	assert_after(meshlink_get_node(mesh[2], name[1]), 5);
+
+	// Send a packet
+
+	meshlink_set_receive_cb(mesh[1], receive_cb);
+	assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
+
+	// Stop the first node
+
+	meshlink_stop(mesh[0]);
+	sleep(1);
+
+	// Communication should still be possible
+
+	assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
+
+	// Stop the other nodes
+
+	for(int i = 1; i < 3; i++)
+		meshlink_stop(mesh[i]);
+
+	sleep(1);
+
+	// Start just the other two nodes
+
+	meshlink_set_log_cb(mesh[1], MESHLINK_DEBUG, log_cb);
+
+	for(int i = 1; i < 3; i++)
+		meshlink_start(mesh[i]);
+
+	assert(meshlink_get_node(mesh[1], name[2]));
+	assert(meshlink_get_node(mesh[2], name[1]));
+
+	// Communication should still be possible
+
+	received = false;
+	assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 25);
+
+	// Clean up.
+
+	for(int i = 0; i < 3; i++)
+		meshlink_close(mesh[i]);
+}