Build the channels example.

[meshlink] / examples / chat.c

diff --git a/examples/chat.c b/examples/chat.c
index 70d17d7d917bf6515aaf98d1fb97bea2f969df22..c6d67fb5c1ba2c111d4c814fdc1971699dc85ccc 100644 (file)
--- a/examples/chat.c
+++ b/examples/chat.c
@@ -5,8 +5,14 @@
 #include "../src/meshlink.h"
 
 static void log_message(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
-       const char *levelstr[] = {"DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"};
-       fprintf(stderr, "%s: %s\n", levelstr[level], 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) {
@@ -27,6 +33,9 @@ static void node_status(meshlink_handle_t *mesh, meshlink_node_t *node, bool rea
                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)
@@ -42,7 +51,7 @@ static void parse_command(meshlink_handle_t *mesh, char *buf) {
 
                invitation = meshlink_invite(mesh, arg);
                if(!invitation) {
-                       fprintf(stderr, "Could not invite '%s': %s\n", arg, mesh->errstr);
+                       fprintf(stderr, "Could not invite '%s': %s\n", arg, meshlink_strerror(meshlink_errno));
                        return;
                }
 
@@ -53,11 +62,16 @@ static void parse_command(meshlink_handle_t *mesh, char *buf) {
                        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", mesh->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");
@@ -66,7 +80,7 @@ static void parse_command(meshlink_handle_t *mesh, char *buf) {
 
                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;
                }
 
@@ -75,22 +89,19 @@ static void parse_command(meshlink_handle_t *mesh, char *buf) {
                printf("Node '%s' blacklisted.\n", arg);
        } else if(!strcasecmp(buf, "who")) {
                if(!arg) {
-                       meshlink_node_t *nodes[100];
-                       size_t n = meshlink_get_all_nodes(mesh, nodes, 100);
-                       if(!n) {
-                               fprintf(stderr, "No nodes known!\n");
+                       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("Known nodes:");
-                               for(int i = 0; i < n && i < 100; i++)
+                               printf("%zu known nodes:", nnodes);
+                               for(int i = 0; i < nnodes; i++)
                                        printf(" %s", nodes[i]->name);
-                               if(n > 100)
-                                       printf(" (and %zu more)", n - 100);
                                printf("\n");
                        }
                } else {
                        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));
                        } else {
                                printf("Node %s found\n", arg);
                        }
@@ -153,7 +164,7 @@ static void parse_input(meshlink_handle_t *mesh, char *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;
                }
        }
@@ -164,7 +175,7 @@ static void parse_input(meshlink_handle_t *mesh, char *buf) {
        }
 
        if(!meshlink_send(mesh, destination, msg, strlen(msg) + 1)) {
-               fprintf(stderr, "Could not send message to '%s': %s\n", destination->name, mesh->errstr);
+               fprintf(stderr, "Could not send message to '%s': %s\n", destination->name, meshlink_strerror(meshlink_errno));
                return;
        }
 
@@ -182,9 +193,11 @@ int main(int argc, char *argv[]) {
        if(argc > 2)
                nick = argv[2];
 
-       meshlink_handle_t *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!\n");
+               fprintf(stderr, "Could not open MeshLink: %s\n", meshlink_strerror(meshlink_errno));
                return 1;
        }
 
@@ -193,7 +206,7 @@ int main(int argc, char *argv[]) {
        meshlink_set_log_cb(mesh, MESHLINK_INFO, log_message);
 
        if(!meshlink_start(mesh)) {
-               fprintf(stderr, "Could not start MeshLink: %s\n", mesh->errstr);
+               fprintf(stderr, "Could not start MeshLink: %s\n", meshlink_strerror(meshlink_errno));
                return 1;
        }