+#ifdef NDEBUG
+#undef NDEBUG
+#endif
+
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/time.h>
+#include <assert.h>
#include "meshlink.h"
+#include "utils.h"
+
+static struct sync_flag baz_reachable;
-volatile bool baz_reachable = false;
+static void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
+ (void)mesh;
-void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
- if(!strcmp(node->name, "baz"))
- baz_reachable = reachable;
+ if(reachable && !strcmp(node->name, "baz")) {
+ set_sync_flag(&baz_reachable, true);
+ }
}
-int main(int argc, char *argv[]) {
- // Open two new meshlink instance.
+int main(void) {
+ init_sync_flag(&baz_reachable);
+
+ meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
+
+ assert(meshlink_destroy("invite_join_conf.1"));
+ assert(meshlink_destroy("invite_join_conf.2"));
+ assert(meshlink_destroy("invite_join_conf.3"));
+ assert(meshlink_destroy("invite_join_conf.4"));
+ assert(meshlink_destroy("invite_join_conf.5"));
+ assert(meshlink_destroy("invite_join_conf.6"));
+
+ // Open thee new meshlink instance.
meshlink_handle_t *mesh1 = meshlink_open("invite_join_conf.1", "foo", "invite-join", DEV_CLASS_BACKBONE);
- if(!mesh1) {
- fprintf(stderr, "Could not initialize configuration for foo\n");
- return 1;
- }
+ assert(mesh1);
meshlink_handle_t *mesh2 = meshlink_open("invite_join_conf.2", "bar", "invite-join", DEV_CLASS_BACKBONE);
- if(!mesh2) {
- fprintf(stderr, "Could not initialize configuration for bar\n");
- return 1;
- }
+ assert(mesh2);
+
+ meshlink_handle_t *mesh3 = meshlink_open("invite_join_conf.3", "quux", "invite-join", DEV_CLASS_BACKBONE);
+ assert(mesh3);
+
+ // Disable local discovery.
- // Start the first instance and have it generate an invitation.
+ meshlink_enable_discovery(mesh1, false);
+ meshlink_enable_discovery(mesh2, false);
+ meshlink_enable_discovery(mesh3, false);
+
+ // Have the first instance generate invitations.
meshlink_set_node_status_cb(mesh1, status_cb);
- if(!meshlink_start(mesh1)) {
- fprintf(stderr, "Foo could not start\n");
- return 1;
- }
+ assert(meshlink_set_canonical_address(mesh1, meshlink_get_self(mesh1), "localhost", NULL));
- meshlink_add_address(mesh1, "localhost");
- char *url = meshlink_invite(mesh1, "baz");
- if(!url) {
- fprintf(stderr, "Foo could not generate an invitation for baz\n");
- return 1;
- }
+ char *baz_url = meshlink_invite(mesh1, NULL, "baz");
+ assert(baz_url);
- // Have the second instance join the first.
+ char *quux_url = meshlink_invite(mesh1, NULL, "quux");
+ assert(quux_url);
- if(!meshlink_join(mesh2, url)) {
- fprintf(stderr, "Baz could not join foo's mesh\n");
- return 1;
- }
+ // Have the second instance join the first.
- free(url);
+ assert(meshlink_start(mesh1));
- if(!meshlink_start(mesh2)) {
- fprintf(stderr, "Baz could not start\n");
- return 1;
- }
+ assert(meshlink_join(mesh2, baz_url));
+ assert(meshlink_start(mesh2));
// Wait for the two to connect.
- for(int i = 0; i < 60; i++) {
- sleep(1);
- if(baz_reachable)
- break;
- }
+ assert(wait_sync_flag(&baz_reachable, 20));
- if(!baz_reachable) {
- fprintf(stderr, "Baz not reachable for foo after 20 seconds\n");
- return 1;
- }
+ // Wait for UDP communication to become possible.
int pmtu = meshlink_get_pmtu(mesh1, meshlink_get_node(mesh1, "baz"));
+
for(int i = 0; i < 10 && !pmtu; i++) {
sleep(1);
pmtu = meshlink_get_pmtu(mesh1, meshlink_get_node(mesh1, "baz"));
}
- if(!pmtu) {
- fprintf(stderr, "UDP communication with baz not possible after 10 seconds\n");
- return 1;
- }
+ assert(pmtu);
- // Clean up.
+ // Check that an invitation cannot be used twice
+
+ assert(!meshlink_join(mesh3, baz_url));
+ free(baz_url);
+
+ // Check that nodes cannot join with expired invitations
+
+ meshlink_set_invitation_timeout(mesh1, 0);
+
+ assert(!meshlink_join(mesh3, quux_url));
+ free(quux_url);
+
+ // Check that existing nodes cannot join another mesh
+
+ char *corge_url = meshlink_invite(mesh3, NULL, "corge");
+ assert(corge_url);
+
+ assert(meshlink_start(mesh3));
meshlink_stop(mesh2);
+
+ assert(!meshlink_join(mesh2, corge_url));
+ 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 = false;
+
+ for(int i = 0; !success && 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");
+ assert(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));
+ free(quux_url);
+
+ // Check that adding duplicate addresses get removed correctly
+
+ assert(meshlink_add_invitation_address(mesh1, "localhost", portstr + 1));
+ corge_url = meshlink_invite(mesh1, NULL, "corge");
+ assert(corge_url);
+ char *localhost = strstr(corge_url, "localhost");
+ assert(localhost);
+ assert(!strstr(localhost + 1, "localhost"));
+ free(corge_url);
+
+ // Check that resetting and adding multiple, different invitation address works
+
+ meshlink_clear_invitation_addresses(mesh1);
+ assert(meshlink_add_invitation_address(mesh1, "1.invalid.", "12345"));
+ assert(meshlink_add_invitation_address(mesh1, "2.invalid.", NULL));
+ assert(meshlink_add_invitation_address(mesh1, "3.invalid.", NULL));
+ assert(meshlink_add_invitation_address(mesh1, "4.invalid.", NULL));
+ assert(meshlink_add_invitation_address(mesh1, "5.invalid.", NULL));
+ char *grault_url = meshlink_invite(mesh1, NULL, "grault");
+ assert(grault_url);
+ localhost = strstr(grault_url, "localhost");
+ assert(localhost);
+ char *invalid1 = strstr(grault_url, "1.invalid.:12345");
+ assert(invalid1);
+ char *invalid5 = strstr(grault_url, "5.invalid.");
+ assert(invalid5);
+
+ // Check that explicitly added invitation addresses come before others, in the order they were specified.
+
+ assert(invalid1 < invalid5);
+ assert(invalid5 < localhost);
+ free(grault_url);
+
+ // Check inviting nodes into a submesh
+
+ assert(!meshlink_get_node_submesh(mesh1, meshlink_get_self(mesh1)));
+
+ meshlink_handle_t *mesh4 = meshlink_open("invite_join_conf.4", "four", "invite-join", DEV_CLASS_BACKBONE);
+ meshlink_handle_t *mesh5 = meshlink_open("invite_join_conf.5", "five", "invite-join", DEV_CLASS_BACKBONE);
+ meshlink_handle_t *mesh6 = meshlink_open("invite_join_conf.6", "six", "invite-join", DEV_CLASS_BACKBONE);
+ assert(mesh4);
+ assert(mesh5);
+ assert(mesh6);
+
+ meshlink_enable_discovery(mesh4, false);
+ meshlink_enable_discovery(mesh5, false);
+ meshlink_enable_discovery(mesh6, false);
+
+ meshlink_submesh_t *submesh1 = meshlink_submesh_open(mesh1, "submesh1");
+ meshlink_submesh_t *submesh2 = meshlink_submesh_open(mesh1, "submesh2");
+ assert(submesh1);
+ assert(submesh2);
+
+ char *four_url = meshlink_invite(mesh1, submesh1, mesh4->name);
+ char *five_url = meshlink_invite(mesh1, submesh1, mesh5->name);
+ char *six_url = meshlink_invite(mesh1, submesh2, mesh6->name);
+ assert(four_url);
+ assert(five_url);
+ assert(six_url);
+
+ assert(meshlink_join(mesh4, four_url));
+ assert(meshlink_join(mesh5, five_url));
+ assert(meshlink_join(mesh6, six_url));
+
+ free(four_url);
+ free(five_url);
+ free(six_url);
+
+ assert(meshlink_start(mesh2));
+ assert(meshlink_start(mesh4));
+ assert(meshlink_start(mesh5));
+ assert(meshlink_start(mesh6));
+
+ // Check that each node knows in which submesh it is
+
+ meshlink_submesh_t *mesh4_submesh = meshlink_get_node_submesh(mesh4, meshlink_get_self(mesh4));
+ meshlink_submesh_t *mesh5_submesh = meshlink_get_node_submesh(mesh4, meshlink_get_self(mesh5));
+ meshlink_submesh_t *mesh6_submesh = meshlink_get_node_submesh(mesh6, meshlink_get_self(mesh6));
+ assert(mesh4_submesh);
+ assert(mesh5_submesh);
+ assert(mesh6_submesh);
+ assert(!strcmp(mesh4_submesh->name, "submesh1"));
+ assert(!strcmp(mesh5_submesh->name, "submesh1"));
+ assert(!strcmp(mesh6_submesh->name, "submesh2"));
+
+ // Wait for nodes to connect, and check that foo sees the right submeshes
+
+ sleep(2);
+ meshlink_node_t *mesh1_four = meshlink_get_node(mesh1, mesh4->name);
+ meshlink_node_t *mesh1_six = meshlink_get_node(mesh1, mesh6->name);
+ assert(meshlink_get_node_submesh(mesh1, meshlink_get_self(mesh1)) == NULL);
+ assert(meshlink_get_node_submesh(mesh1, mesh1_four) == submesh1);
+ assert(meshlink_get_node_submesh(mesh1, mesh1_six) == submesh2);
+
+ // Check that the new invitees still have the right submesh information
+
+ meshlink_node_t *mesh4_four = meshlink_get_node(mesh4, mesh4->name);
+ meshlink_node_t *mesh4_five = meshlink_get_node(mesh4, mesh5->name);
+ meshlink_node_t *mesh6_six = meshlink_get_node(mesh6, mesh6->name);
+ assert(meshlink_get_node_submesh(mesh4, mesh4_four) == mesh4_submesh);
+ assert(meshlink_get_node_submesh(mesh4, mesh4_five) == mesh4_submesh);
+ assert(meshlink_get_node_submesh(mesh6, mesh6_six) == mesh6_submesh);
+
+ // Check that bar can see all the nodes in submeshes and vice versa
+
+ assert(meshlink_get_node(mesh2, mesh4->name));
+ assert(meshlink_get_node(mesh2, mesh5->name));
+ assert(meshlink_get_node(mesh2, mesh6->name));
+ assert(meshlink_get_node(mesh4, mesh2->name));
+ assert(meshlink_get_node(mesh5, mesh2->name));
+ assert(meshlink_get_node(mesh6, mesh2->name));
+
+ // Check that four and five can see each other
+
+ assert(meshlink_get_node(mesh4, mesh5->name));
+ assert(meshlink_get_node(mesh5, mesh4->name));
+
+ // Check that the nodes in different submeshes cannot see each other
+
+ assert(!meshlink_get_node(mesh4, mesh6->name));
+ assert(!meshlink_get_node(mesh5, mesh6->name));
+ assert(!meshlink_get_node(mesh6, mesh4->name));
+ assert(!meshlink_get_node(mesh6, mesh5->name));
+
+ // Check that bar sees the right submesh information for the nodes in submeshes
+
+ meshlink_submesh_t *mesh2_four_submesh = meshlink_get_node_submesh(mesh2, meshlink_get_node(mesh2, mesh4->name));
+ meshlink_submesh_t *mesh2_five_submesh = meshlink_get_node_submesh(mesh2, meshlink_get_node(mesh2, mesh5->name));
+ meshlink_submesh_t *mesh2_six_submesh = meshlink_get_node_submesh(mesh2, meshlink_get_node(mesh2, mesh6->name));
+ assert(mesh2_four_submesh);
+ assert(mesh2_five_submesh);
+ assert(mesh2_six_submesh);
+ assert(!strcmp(mesh2_four_submesh->name, "submesh1"));
+ assert(!strcmp(mesh2_five_submesh->name, "submesh1"));
+ assert(!strcmp(mesh2_six_submesh->name, "submesh2"));
+
+ // Clean up.
+
+ meshlink_close(mesh6);
+ meshlink_close(mesh5);
+ meshlink_close(mesh4);
+ meshlink_close(mesh3);
meshlink_close(mesh2);
meshlink_close(mesh1);
-
- return 0;
}
projects / meshlink / blobdiff