#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <strings.h>
#include "../src/meshlink.h"
-static void receive(meshlink_handle_t *mesh, meshlink_node_t *source, const char *data, size_t len) {
- if(!len || data[len - 1]) {
+static void log_message(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
+ const char *levelstr[] = {
+ [MESHLINK_DEBUG] = "\x1b[34mDEBUG",
+ [MESHLINK_INFO] = "\x1b[32mINFO",
+ [MESHLINK_WARNING] = "\x1b[33mWARNING",
+ [MESHLINK_ERROR] = "\x1b[31mERROR",
+ [MESHLINK_CRITICAL] = "\x1b[31mCRITICAL",
+ };
+ fprintf(stderr, "%s:\x1b[0m %s\n", levelstr[level], text);
+}
+
+static void receive(meshlink_handle_t *mesh, meshlink_node_t *source, const void *data, size_t len) {
+ const char *msg = data;
+
+ if(!len || msg[len - 1]) {
fprintf(stderr, "Received invalid data from %s\n", source->name);
return;
}
- printf("%s says: %s\n", source->name, data);
+ printf("%s says: %s\n", source->name, msg);
}
static void node_status(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
printf("%s left.\n", node->name);
}
+static meshlink_node_t **nodes;
+static size_t nnodes;
+
static void parse_command(meshlink_handle_t *mesh, char *buf) {
char *arg = strchr(buf, ' ');
if(arg)
invitation = meshlink_invite(mesh, arg);
if(!invitation) {
- fprintf(stderr, "Could not invite '%s': %s\n", arg, meshlink_errstr);
+ fprintf(stderr, "Could not invite '%s': %s\n", arg, meshlink_strerror(meshlink_errno));
return;
}
fprintf(stderr, "/join requires an argument!\n");
return;
}
-
+ meshlink_stop(mesh);
if(!meshlink_join(mesh, arg))
- fprintf(stderr, "Could not join using invitation: %s\n", meshlink_errstr);
- else
+ fprintf(stderr, "Could not join using invitation: %s\n", meshlink_strerror(meshlink_errno));
+ else {
fprintf(stderr, "Invitation accepted!\n");
+ if(!meshlink_start(mesh)) {
+ fprintf(stderr, "Could not start MeshLink: %s\n", meshlink_strerror(meshlink_errno));
+ return;
+ }
+ }
} else if(!strcasecmp(buf, "kick")) {
if(!arg) {
fprintf(stderr, "/kick requires an argument!\n");
meshlink_node_t *node = meshlink_get_node(mesh, arg);
if(!node) {
- fprintf(stderr, "Unknown node '%s'\n", arg);
+ fprintf(stderr, "Error looking up '%s': %s\n", arg, meshlink_strerror(meshlink_errno));
return;
}
meshlink_blacklist(mesh, node);
printf("Node '%s' blacklisted.\n", arg);
+ } else if(!strcasecmp(buf, "who")) {
+ if(!arg) {
+ nodes = meshlink_get_all_nodes(mesh, nodes, &nnodes);
+ if(!nnodes) {
+ fprintf(stderr, "Could not get list of nodes: %s\n", meshlink_strerror(meshlink_errno));
+ } else {
+ printf("%zu known nodes:", nnodes);
+ for(int i = 0; i < nnodes; i++)
+ printf(" %s", nodes[i]->name);
+ printf("\n");
+ }
+ } else {
+ meshlink_node_t *node = meshlink_get_node(mesh, arg);
+ if(!node) {
+ fprintf(stderr, "Error looking up '%s': %s\n", arg, meshlink_strerror(meshlink_errno));
+ } else {
+ printf("Node %s found\n", arg);
+ }
+ }
} else if(!strcasecmp(buf, "quit")) {
printf("Bye!\n");
fclose(stdin);
+ } else if(!strcasecmp(buf, "help")) {
+ printf(
+ "<name>: <message> Send a message to the given node.\n"
+ " Subsequent messages don't need the <name>: prefix.\n"
+ "/invite <name> Create an invitation for a new node.\n"
+ "/join <invitation> Join an existing mesh using an invitation.\n"
+ "/kick <name> Blacklist the given node.\n"
+ "/who [<name>] List all nodes or show information about the given node.\n"
+ "/quit Exit this program.\n"
+ );
} else {
fprintf(stderr, "Unknown command '/%s'\n", buf);
}
destination = meshlink_get_node(mesh, buf);
if(!destination) {
- fprintf(stderr, "Unknown node '%s'\n", buf);
+ fprintf(stderr, "Error looking up '%s': %s\n", buf, meshlink_strerror(meshlink_errno));
return;
}
}
}
if(!meshlink_send(mesh, destination, msg, strlen(msg) + 1)) {
- fprintf(stderr, "Could not send message to '%s': %s\n", destination->name, meshlink_errstr);
+ fprintf(stderr, "Could not send message to '%s': %s\n", destination->name, meshlink_strerror(meshlink_errno));
return;
}
if(argc > 2)
nick = argv[2];
- mesh = meshlink_open(confbase, nick);
+ meshlink_set_log_cb(NULL, MESHLINK_INFO, log_message);
+
+ meshlink_handle_t *mesh = meshlink_open(confbase, nick, "chat", DEV_CLASS_STATIONARY);
if(!mesh) {
- fprintf(stderr, "Could not open MeshLink: %s\n", meshlink_errstr);
+ fprintf(stderr, "Could not open MeshLink: %s\n", meshlink_strerror(meshlink_errno));
return 1;
}
- meshlink_set_receive_cb(receive);
- meshlink_set_node_status_cb(node_changed);
+ meshlink_set_receive_cb(mesh, receive);
+ meshlink_set_node_status_cb(mesh, node_status);
+ meshlink_set_log_cb(mesh, MESHLINK_INFO, log_message);
if(!meshlink_start(mesh)) {
- fprintf(stderr, "Could not start MeshLink: %s\n", meshlink_errstr);
+ fprintf(stderr, "Could not start MeshLink: %s\n", meshlink_strerror(meshlink_errno));
return 1;
}
- printf("Chat started.\n");
+ printf("Chat started.\nType /help for a list of commands.\n");
while(fgets(buf, sizeof buf, stdin))
parse_input(mesh, buf);
projects / meshlink / blobdiff