X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=examples%2Fchatpp.cc;h=b5fe44e63b27367fd8c9a7a5663996cf2e20ebba;hb=d5de0bca747e9ba43bc28fbef54aaf5cfc321f5b;hp=00863d501815cee2c5064d945987a27e3359e79e;hpb=9ff28ad77a6deee4db709c127c843f9fdd68e03b;p=meshlink diff --git a/examples/chatpp.cc b/examples/chatpp.cc index 00863d50..b5fe44e6 100644 --- a/examples/chatpp.cc +++ b/examples/chatpp.cc @@ -4,28 +4,31 @@ #include #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); + } -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); -} + void node_status(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; @@ -57,10 +60,17 @@ static void parse_command(meshlink::mesh *mesh, char *buf) { return; } + mesh->stop(); + if(!mesh->join(arg)) 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"); @@ -69,7 +79,7 @@ static void parse_command(meshlink::mesh *mesh, char *buf) { 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; } @@ -79,38 +89,36 @@ static void parse_command(meshlink::mesh *mesh, char *buf) { } else if(!strcasecmp(buf, "who")) { if(!arg) { nodes = mesh->get_all_nodes(nodes, &nnodes); - if(!nnodes) { - fprintf(stderr, "No nodes known!\n"); - } else { - printf("Known nodes:"); + 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); 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( - ": Send a message to the given node.\n" - " Subsequent messages don't need the : prefix.\n" - "/invite Create an invitation for a new node.\n" - "/join Join an existing mesh using an invitation.\n" - "/kick Blacklist the given node.\n" - "/who [] List all nodes or show information about the given node.\n" - "/quit Exit this program.\n" - ); - } else { + ": Send a message to the given node.\n" + " Subsequent messages don't need the : prefix.\n" + "/invite Create an invitation for a new node.\n" + "/join Join an existing mesh using an invitation.\n" + "/kick Blacklist the given node.\n" + "/who [] 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) { @@ -153,7 +161,7 @@ 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; } } @@ -171,6 +179,7 @@ static void parse_input(meshlink::mesh *mesh, char *buf) { printf("Message sent to '%s'.\n", destination->name); } + int main(int argc, char *argv[]) { const char *confbase = ".chat"; const char *nick = NULL; @@ -182,30 +191,28 @@ int main(int argc, char *argv[]) { 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()) { + 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; }