X-Git-Url: http://git.meshlink.io/?p=meshlink;a=blobdiff_plain;f=examples%2Fchatpp.cc;h=294ca866f602fb692eb6e37c39b8c817a07fd950;hp=00863d501815cee2c5064d945987a27e3359e79e;hb=HEAD;hpb=9ff28ad77a6deee4db709c127c843f9fdd68e03b diff --git a/examples/chatpp.cc b/examples/chatpp.cc index 00863d50..294ca866 100644 --- a/examples/chatpp.cc +++ b/examples/chatpp.cc @@ -4,36 +4,42 @@ #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; static void parse_command(meshlink::mesh *mesh, char *buf) { char *arg = strchr(buf, ' '); - if(arg) + + if(arg) { *arg++ = 0; + } if(!strcasecmp(buf, "invite")) { char *invitation; @@ -43,7 +49,8 @@ static void parse_command(meshlink::mesh *mesh, char *buf) { return; } - invitation = mesh->invite(arg); + invitation = mesh->invite(NULL, arg); + if(!invitation) { fprintf(stderr, "Could not invite '%s': %s\n", arg, meshlink::strerror()); return; @@ -57,10 +64,18 @@ static void parse_command(meshlink::mesh *mesh, char *buf) { return; } - if(!mesh->join(arg)) + mesh->stop(); + + if(!mesh->join(arg)) { fprintf(stderr, "Could not join using invitation: %s\n", meshlink::strerror()); - else + } 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"); @@ -68,8 +83,9 @@ 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; } @@ -79,18 +95,23 @@ 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"); + + if(!nodes) { + fprintf(stderr, "Could not get list of nodes: %s\n", meshlink::strerror()); } else { - printf("Known nodes:"); - for(size_t i = 0; i < nnodes; i++) + printf("%lu known nodes:", (unsigned long)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); + fprintf(stderr, "Error looking up '%s': %s\n", arg, meshlink::strerror()); } else { printf("Node %s found\n", arg); } @@ -100,14 +121,14 @@ static void parse_command(meshlink::mesh *mesh, char *buf) { 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" - ); + ": 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); } @@ -117,28 +138,33 @@ static void parse_input(meshlink::mesh *mesh, char *buf) { static meshlink::node *destination; size_t len; - if(!buf) + if(!buf) { return; + } // Remove newline. len = strlen(buf); - if(len && buf[len - 1] == '\n') + if(len && buf[len - 1] == '\n') { buf[--len] = 0; + } - if(len && buf[len - 1] == '\r') + if(len && buf[len - 1] == '\r') { buf[--len] = 0; + } // Ignore empty lines. - if(!len) + if(!len) { return; + } // Commands start with '/' - if(*buf == '/') + if(*buf == '/') { return parse_command(mesh, buf + 1); + } // Lines in the form "name: message..." set the destination node. @@ -148,12 +174,15 @@ static void parse_input(meshlink::mesh *mesh, char *buf) { if(colon) { *colon = 0; msg = colon + 1; - if(*msg == ' ') + + if(*msg == ' ') { msg++; + } 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; } } @@ -171,41 +200,43 @@ 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; char buf[1024]; - if(argc > 1) + if(argc > 1) { confbase = argv[1]; + } - if(argc > 2) + if(argc > 2) { nick = argv[2]; + } + + ChatMesh mesh; + mesh.open(confbase, nick, "chatpp", DEV_CLASS_STATIONARY); - meshlink::mesh *mesh = meshlink::open(confbase, nick); - if(!mesh) { - fprintf(stderr, "Could not open MeshLink!\n"); + 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; }