#include <strings.h>
#include "../src/meshlink++.h"
-static void log_message(meshlink::mesh *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);
-}
+class ChatMesh : public meshlink::mesh {
+public:
+ void log(meshlink::log_level_t level, const char *text) {
+ const char *levelstr[] = {"DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"};
+ fprintf(stderr, "%s: %s\n", levelstr[level], text);
+ }
-static void receive(meshlink::mesh *mesh, meshlink::node *source, const void *data, size_t len) {
- const char *msg = (const char *)data;
+ void receive(meshlink::node *source, const void *data, size_t len) {
+ const char *msg = (const char *)data;
- if(!len || msg[len - 1]) {
- fprintf(stderr, "Received invalid data from %s\n", source->name);
- return;
+ if(!len || msg[len - 1]) {
+ fprintf(stderr, "Received invalid data from %s\n", source->name);
+ return;
+ }
+
+ printf("%s says: %s\n", source->name, msg);
}
- printf("%s says: %s\n", source->name, msg);
-}
+ void node_status(meshlink::node *node, bool reachable) {
+ if(reachable)
+ printf("%s joined.\n", node->name);
+ else
+ printf("%s left.\n", node->name);
+ }
+};
-static void node_status(meshlink::mesh *mesh, meshlink::node *node, bool reachable) {
- if(reachable)
- printf("%s joined.\n", node->name);
- else
- printf("%s left.\n", node->name);
-}
+static meshlink::node **nodes;
+static size_t nnodes;
static void parse_command(meshlink::mesh *mesh, char *buf) {
char *arg = strchr(buf, ' ');
invitation = mesh->invite(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());
return;
}
return;
}
+ mesh->stop();
+
if(!mesh->join(arg))
- fprintf(stderr, "Could not join using invitation: %s\n", mesh->errstr);
+ fprintf(stderr, "Could not join using invitation: %s\n", meshlink::strerror());
else
fprintf(stderr, "Invitation accepted!\n");
+
+ if(!mesh->start()) {
+ fprintf(stderr, "Could not restart MeshLink: %s\n", meshlink::strerror());
+ exit(1);
+ }
} else if(!strcasecmp(buf, "kick")) {
if(!arg) {
fprintf(stderr, "/kick requires an argument!\n");
meshlink::node *node = mesh->get_node(arg);
if(!node) {
- fprintf(stderr, "Unknown node '%s'\n", arg);
+ fprintf(stderr, "Error looking up '%s': %s\n", arg, meshlink::strerror());
return;
}
printf("Node '%s' blacklisted.\n", arg);
} else if(!strcasecmp(buf, "who")) {
if(!arg) {
- meshlink::node *nodes[100];
- size_t n = mesh->get_all_nodes(nodes, 100);
- if(!n) {
- fprintf(stderr, "No nodes known!\n");
- } else {
- printf("Known nodes:");
- for(int i = 0; i < n && i < 100; i++)
+ nodes = mesh->get_all_nodes(nodes, &nnodes);
+ if(!nodes)
+ fprintf(stderr, "Could not get list of nodes: %s\n", meshlink::strerror());
+ else {
+ printf("%zu known nodes:", nnodes);
+ for(size_t i = 0; i < nnodes; i++)
printf(" %s", nodes[i]->name);
- if(n > 100)
- printf(" (and %zu more)", n - 100);
printf("\n");
}
} else {
meshlink::node *node = mesh->get_node(arg);
- if(!node) {
- fprintf(stderr, "Unknown node '%s'\n", arg);
- } else {
+ if(!node)
+ fprintf(stderr, "Error looking up '%s': %s\n", arg, meshlink::strerror());
+ 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 {
+ "<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);
- }
}
static void parse_input(meshlink::mesh *mesh, char *buf) {
destination = mesh->get_node(buf);
if(!destination) {
- fprintf(stderr, "Unknown node '%s'\n", buf);
+ fprintf(stderr, "Error looking up '%s': %s\n", buf, meshlink::strerror());
return;
}
}
}
if(!mesh->send(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());
return;
}
printf("Message sent to '%s'.\n", destination->name);
}
+
int main(int argc, char *argv[]) {
const char *confbase = ".chat";
const char *nick = NULL;
if(argc > 2)
nick = argv[2];
- meshlink::mesh *mesh = meshlink::open(confbase, nick);
- if(!mesh) {
- fprintf(stderr, "Could not open MeshLink!\n");
+ ChatMesh mesh;
+ mesh.open(confbase, nick, "chatpp", DEV_CLASS_STATIONARY);
+
+ if(!mesh.isOpen()) {
+ fprintf(stderr, "Could not open MeshLink: %s\n", meshlink::strerror());
return 1;
}
- mesh->set_receive_cb(receive);
- mesh->set_node_status_cb(node_status);
- mesh->set_log_cb(MESHLINK_INFO, log_message);
-
- if(!mesh->start()) {
- fprintf(stderr, "Could not start MeshLink: %s\n", mesh->errstr);
+ if(!mesh.start()) {
+ fprintf(stderr, "Could not start MeshLink: %s\n", meshlink::strerror());
return 1;
}
printf("Chat started.\nType /help for a list of commands.\n");
- while(fgets(buf, sizeof buf, stdin))
- parse_input(mesh, buf);
+ while(fgets(buf, sizeof(buf), stdin))
+ parse_input(&mesh, buf);
printf("Chat stopping.\n");
- mesh->stop();
- meshlink::close(mesh);
+ mesh.stop();
+ mesh.close();
return 0;
}
projects / meshlink / blobdiff