#include <unistd.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/time.h>
+#include <assert.h>
#include "meshlink.h"
volatile bool baz_reachable = false;
+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;
+
if(!strcmp(node->name, "baz")) {
baz_reachable = reachable;
}
}
-int main(int argc, char *argv[]) {
- // Open two new meshlink instance.
+int main() {
+ meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
+
+ // Open thee new meshlink instance.
meshlink_handle_t *mesh1 = meshlink_open("invite_join_conf.1", "foo", "invite-join", DEV_CLASS_BACKBONE);
return 1;
}
+ meshlink_set_log_cb(mesh1, MESHLINK_DEBUG, log_cb);
+
meshlink_handle_t *mesh2 = meshlink_open("invite_join_conf.2", "bar", "invite-join", DEV_CLASS_BACKBONE);
if(!mesh2) {
return 1;
}
+ meshlink_set_log_cb(mesh2, MESHLINK_DEBUG, log_cb);
+
+ meshlink_handle_t *mesh3 = meshlink_open("invite_join_conf.3", "quux", "invite-join", DEV_CLASS_BACKBONE);
+
+ if(!mesh3) {
+ fprintf(stderr, "Could not initialize configuration for quux\n");
+ return 1;
+ }
+
+ meshlink_set_log_cb(mesh3, MESHLINK_DEBUG, log_cb);
+
// Disable local discovery.
meshlink_enable_discovery(mesh1, false);
meshlink_enable_discovery(mesh2, false);
+ meshlink_enable_discovery(mesh3, false);
- // Start the first instance and have it generate an invitation.
+ // Start the first instance and have it generate invitations.
meshlink_set_node_status_cb(mesh1, status_cb);
}
meshlink_add_address(mesh1, "localhost");
- char *url = meshlink_invite(mesh1, "baz");
+ char *baz_url = meshlink_invite(mesh1, NULL, "baz");
- if(!url) {
+ if(!baz_url) {
fprintf(stderr, "Foo could not generate an invitation for baz\n");
return 1;
}
+ char *quux_url = meshlink_invite(mesh1, NULL, "quux");
+
+ if(!quux_url) {
+ fprintf(stderr, "Foo could not generate an invitation for quux\n");
+ return 1;
+ }
+
+ fprintf(stderr, "Invitation URL for baz: %s\n", baz_url);
+ fprintf(stderr, "Invitation URL for quux: %s\n", quux_url);
+
// Have the second instance join the first.
- if(!meshlink_join(mesh2, url)) {
+ if(!meshlink_join(mesh2, baz_url)) {
fprintf(stderr, "Baz could not join foo's mesh\n");
return 1;
}
- free(url);
-
if(!meshlink_start(mesh2)) {
fprintf(stderr, "Baz could not start\n");
return 1;
return 1;
}
- // Clean up.
+ // Check that an invitation cannot be used twice
+
+ if(meshlink_join(mesh3, baz_url)) {
+ fprintf(stderr, "Quux could join foo's mesh using an already used invitation\n");
+ return 1;
+ }
+
+ free(baz_url);
+
+ // Check that nodes cannot join with expired invitations
+
+ meshlink_set_invitation_timeout(mesh1, 0);
+
+ if(meshlink_join(mesh3, quux_url)) {
+ fprintf(stderr, "Quux could join foo's mesh using an outdated invitation\n");
+ return 1;
+ }
+
+ free(quux_url);
+
+ // Check that existing nodes cannot join another mesh
+
+ char *corge_url = meshlink_invite(mesh3, NULL, "corge");
+
+ if(!corge_url) {
+ fprintf(stderr, "Quux could not generate an invitation for corge\n");
+ return 1;
+ }
+
+ fprintf(stderr, "Invitation URL for corge: %s\n", corge_url);
+
+ if(!meshlink_start(mesh3)) {
+ fprintf(stderr, "Quux could not start\n");
+ return 1;
+ }
meshlink_stop(mesh2);
+
+ if(meshlink_join(mesh2, corge_url)) {
+ fprintf(stderr, "Bar could join twice\n");
+ return 1;
+ }
+
+ free(corge_url);
+
+ // Check that invitations work correctly after changing ports
+
+ meshlink_set_invitation_timeout(mesh1, 86400);
meshlink_stop(mesh1);
+ meshlink_stop(mesh3);
+
+ int oldport = meshlink_get_port(mesh1);
+ bool success;
+
+ for(int i = 0; i < 100; i++) {
+ success = meshlink_set_port(mesh1, 0x9000 + rand() % 0x1000);
+ }
+
+ assert(success);
+ int newport = meshlink_get_port(mesh1);
+ assert(oldport != newport);
+
+ assert(meshlink_start(mesh1));
+ quux_url = meshlink_invite(mesh1, NULL, "quux");
+ fprintf(stderr, "Invitation URL for quux: %s\n", quux_url);
+
+ // The old port should not be in the invitation URL
+
+ char portstr[10];
+ snprintf(portstr, sizeof(portstr), ":%d", oldport);
+ assert(!strstr(quux_url, portstr));
+
+ // The new port should be in the invitation URL
+
+ snprintf(portstr, sizeof(portstr), ":%d", newport);
+ assert(strstr(quux_url, portstr));
+
+ // The invitation should work
+
+ assert(meshlink_join(mesh3, quux_url));
+
+ // Clean up.
+
+ meshlink_close(mesh3);
meshlink_close(mesh2);
meshlink_close(mesh1);