692 lines
25 KiB
C
692 lines
25 KiB
C
typedef void* (*rpc_function)();
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typedef struct rpc_call {
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char *method;
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rpc_function function;
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uint64_t function_hash;
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} rpc_call;
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#define RPC_SIGNATURE_i_iii UINT64_C(0x78409099752fa48a)
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#define RPC_SIGNATURE_i_ii UINT64_C(0x258290edf43985a5)
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#define RPC_SIGNATURE_i_s UINT64_C(0xf7b73162829ed667)
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#define RPC_SIGNATURE_s_s UINT64_C(0x97deedd17d9afb12)
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#define RPC_SIGNATURE_s_v UINT64_C(0x09c16a1242049b80)
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#define RPC_SIGNATURE_v_s UINT64_C(0xc1746990ab73ed24)
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static
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rpc_call rpc_new_call(const char *signature, rpc_function function) {
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if( signature && function ) {
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array(char*)tokens = strsplit(signature, "(,)");
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if( array_count(tokens) >= 1 ) {
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char *method = strrchr(tokens[0], ' ')+1;
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char *rettype = va("%.*s", (int)(method - tokens[0] - 1), tokens[0]);
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int num_args = array_count(tokens) - 1;
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char* hash_sig = va("%s(%s)", rettype, num_args ? (array_pop_front(tokens), strjoin(tokens, ",")) : "void");
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uint64_t hash = hash_str(hash_sig);
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method = va("%s%d", method, num_args );
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#if RPC_DEBUG
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printf("%p %p %s `%s` %s(", function, (void*)hash, rettype, hash_sig, method); for(int i = 0, end = array_count(tokens); i < end; ++i) printf("%s%s", tokens[i], i == (end-1)? "":", "); puts(");");
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#endif
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return (rpc_call) { strdup(method), function, hash }; // LEAK
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}
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}
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return (rpc_call) {0};
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}
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static map(char*, rpc_call) rpc_calls = 0;
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static
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void rpc_insert(const char *signature, void *function ) {
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rpc_call call = rpc_new_call(signature, function);
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if( call.method ) {
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if( !rpc_calls ) map_init(rpc_calls, less_str, hash_str);
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if( map_find(rpc_calls, call.method)) {
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map_erase(rpc_calls, call.method);
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}
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map_insert(rpc_calls, call.method, call);
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}
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}
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static
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char *rpc_full(unsigned id, const char* method, unsigned num_args, char *args[]) {
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#if RPC_DEBUG
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printf("id:%x method:%s args:", id, method );
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for( int i = 0; i < num_args; ++i ) printf("%s,", args[i]); puts("");
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#endif
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method = va("%s%d", method, num_args);
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rpc_call *found = map_find(rpc_calls, (char*)method);
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if( found ) {
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switch(found->function_hash) {
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case RPC_SIGNATURE_i_iii: return va("%d %d", id, (int)(intptr_t)found->function(atoi(args[0]), atoi(args[1]), atoi(args[2])) );
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case RPC_SIGNATURE_i_ii: return va("%d %d", id, (int)(intptr_t)found->function(atoi(args[0]), atoi(args[1])) );
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case RPC_SIGNATURE_i_s: return va("%d %d", id, (int)(intptr_t)found->function(args[0]) );
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case RPC_SIGNATURE_s_s: return va("%d %s", id, (char*)found->function(args[0]) );
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case RPC_SIGNATURE_s_v: return va("%d %s", id, (char*)found->function() );
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case RPC_SIGNATURE_v_s: return va("%d", id), found->function(args[0]);
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default: break;
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}
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}
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return va("%d -1", id);
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}
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static
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array(char*) rpc_parse_args( const char *cmdline, bool quote_whitespaces ) { // parse cmdline arguments. must array_free() after use
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// - supports quotes: "abc" "abc def" "abc \"def\"" "abc \"def\"""ghi" etc.
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// - #comments removed
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array(char*) args = 0; // LEAK
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for( int i = 0; cmdline[i]; ) {
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char buf[256] = {0}, *ptr = buf;
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while(cmdline[i] && isspace(cmdline[i])) ++i;
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bool quoted = cmdline[i] == '\"';
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if( quoted ) {
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while(cmdline[++i]) {
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char ch = cmdline[i];
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/**/ if (ch == '\\' && cmdline[i + 1] == '\"') *ptr++ = '\"', ++i;
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else if (ch == '\"' && cmdline[i + 1] == '\"') ++i;
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else if (ch == '\"' && (!cmdline[i + 1] || isspace(cmdline[i + 1]))) {
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++i; break;
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}
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else *ptr++ = ch;
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}
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} else {
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while(cmdline[i] && !isspace(cmdline[i])) *ptr++ = cmdline[i++];
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}
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if (buf[0] && buf[0] != '#') { // exclude empty args + comments
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if( quote_whitespaces && quoted )
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array_push(args, va("\"%s\"",buf));
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else
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array_push(args, va("%s",buf));
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}
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}
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return args;
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}
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static
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char* rpc(unsigned id, const char* cmdline) {
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array(char*) args = rpc_parse_args(cmdline, false);
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int num_args = array_count(args);
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char *ret = num_args ? rpc_full(id, args[0], num_args - 1, &args[1]) : rpc_full(id, "", 0, NULL);
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array_free(args);
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return ret;
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}
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static void enet_quit(void) {
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do_once {
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// enet_deinitialize();
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}
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}
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static void enet_init() {
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do_once {
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if( enet_initialize() != 0 ) {
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PANIC("cannot initialize enet");
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}
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atexit( enet_quit );
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}
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}
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struct peer_node_t {
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int64_t id;
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struct peer_node_t *next;
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};
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static ENetHost *Server;
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static map(ENetPeer *, int64_t) clients;
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static map(int64_t, ENetPeer *) peers;
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static int64_t next_client_id = 1; // assumes ID 0 is server
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static struct peer_node_t *next_free_id = NULL;
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enum { MSG_INIT, MSG_BUF, MSG_RPC, MSG_RPC_RESP };
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bool server_bind(int max_clients, int port) {
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map_init(clients, less_64, hash_64);
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map_init(peers, less_64, hash_64);
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assert(port == 0 || (port > 1024 && port < 65500));
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ENetAddress address = {0};
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address.host = ENET_HOST_ANY;
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address.port = port;
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Server = enet_host_create(&address, max_clients, 2 /*channels*/, 0 /*in bandwidth*/, 0 /*out bandwidth*/);
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return Server != NULL;
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}
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static
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void server_drop_client(int64_t handle) {
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map_erase(clients, *(ENetPeer **)map_find(peers, handle));
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map_erase(peers, *(int64_t *)handle);
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}
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static
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void server_drop_client_peer(ENetPeer *peer) {
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struct peer_node_t *node = C_CAST(struct peer_node_t *, CALLOC(sizeof(struct peer_node_t), 1));
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node->id = *(int64_t *)map_find(clients, peer);
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if (!next_free_id) {
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next_free_id = node;
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} else {
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node->next = next_free_id;
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next_free_id = node;
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}
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map_erase(peers, *(int64_t *)map_find(clients, peer));
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map_erase(clients, peer);
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}
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void server_broadcast_bin_flags(const void *msg, int len, uint64_t flags) {
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ENetPacket *packet = enet_packet_create(msg, len, flags&NETWORK_UNRELIABLE ? ENET_PACKET_FLAG_UNRELIABLE_FRAGMENT : ENET_PACKET_FLAG_RELIABLE | flags&(NETWORK_UNRELIABLE|NETWORK_UNORDERED) ? ENET_PACKET_FLAG_UNSEQUENCED : 0);
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enet_host_broadcast(Server, 0, packet);
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}
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void server_broadcast_bin(const void *msg, int len) {
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ENetPacket *packet = enet_packet_create(msg, len, ENET_PACKET_FLAG_RELIABLE);
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enet_host_broadcast(Server, 0, packet);
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//enet_host_flush(Server); // flush if needed
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}
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void server_broadcast_flags(const char *msg, uint64_t flags) {
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server_broadcast_bin_flags(msg, strlen(msg)+1, flags);
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}
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void server_broadcast(const char *msg) {
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server_broadcast_bin(msg, strlen(msg)+1);
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}
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void server_terminate() {
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enet_host_destroy(Server);
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Server = 0;
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}
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volatile int client_join_connected = 0;
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static int client_join_threaded(void *userdata) {
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ENetHost *host = (ENetHost *)userdata;
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ENetPacket *packet = enet_packet_create("", 1, ENET_PACKET_FLAG_RELIABLE);
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enet_host_broadcast(Server, 0, packet);
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/* Wait up to 5 seconds for the connection attempt to succeed. */
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ENetEvent event;
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client_join_connected = 0;
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client_join_connected = enet_host_service(host, &event, 5000) > 0 && event.type == ENET_EVENT_TYPE_CONNECT;
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return 0;
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}
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int64_t client_join(const char *ip, int port) {
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assert(port > 1024 && port < 65500);
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ENetAddress address = {0};
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enet_address_set_host(&address, !strcmp(ip, "localhost") ? "127.0.0.1" : ip);
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address.port = port;
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ENetHost *host = enet_host_create(NULL, 1 /*outgoing connections*/, 2 /*channels*/, 0 /*in bandwidth*/, 0 /*out bandwidth*/);
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if(!host) return -1;
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ENetPeer *peer = enet_host_connect(host, &address, 2, 0);
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if(!peer) return -1;
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Server = host;
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ENetEvent event;
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bool client_join_connected = enet_host_service(host, &event, 5000) > 0 && event.type == ENET_EVENT_TYPE_CONNECT;
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if(!client_join_connected) { enet_peer_reset(peer); return -1; }
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// wait for the response
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bool msg_received = enet_host_service(host, &event, 5000) > 0 && event.type == ENET_EVENT_TYPE_RECEIVE;
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if (!msg_received) { enet_peer_reset(peer); return -1; }
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char *ptr = (char *)event.packet->data;
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int64_t cid = -1;
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// decapsulate incoming packet.
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uint32_t mid = *(uint32_t*)(ptr + 0);
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ptr += 4;
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switch (mid) {
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case MSG_INIT:
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cid = *(int64_t*)ptr;
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break;
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default:
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enet_peer_reset(peer);
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enet_packet_destroy( event.packet );
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return -1;
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}
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/* Clean up the packet now that we're done using it. */
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enet_packet_destroy( event.packet );
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return cid;
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}
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void server_drop(int64_t handle) {
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enet_peer_disconnect_now(*(ENetPeer **)map_find(peers, handle), 0);
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server_drop_client(handle);
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}
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void server_send_bin(int64_t handle, const void *ptr, int len) {
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ENetPacket *packet = enet_packet_create(ptr, len, ENET_PACKET_FLAG_RELIABLE);
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enet_peer_send(*(ENetPeer **)map_find(peers, handle), 0, packet);
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}
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void server_send(int64_t handle, const char *msg) {
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server_send_bin(handle, msg, strlen(msg)+1);
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}
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// ---
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typedef struct netbuffer_t {
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int64_t owner;
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void *ptr;
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unsigned sz;
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uint64_t flags;
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} netbuffer_t;
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static array(char*) events; // @todo: make event 128 bytes max?
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static array(int64_t) values; // @todo: map<key,values> instead?
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static map( int64_t, array(netbuffer_t) ) buffers; // map<client,array<netbuffer>>
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static double msg_send_cooldown = 0.0;
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static double network_dt = 0.0;
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static double last_netsync = 0.0;
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void network_create(unsigned max_clients, const char *ip, const char *port_, unsigned flags) {
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if (buffers) map_clear(buffers);
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do_once {
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array_resize(values, 128);
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map_init(buffers, less_64, hash_64);
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enet_init();
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}
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ip = ip ? ip : "0.0.0.0";
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int port = atoi(port_ ? port_ : "1234");
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// network_put(NETWORK_IP, 0x7F000001); // 127.0.0.1
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network_put(NETWORK_PORT, port);
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network_put(NETWORK_LIVE, -1);
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network_put(NETWORK_COUNT, 0);
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network_put(NETWORK_CAPACITY, max_clients);
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network_put(NETWORK_BUF_CLEAR_ON_JOIN, 1);
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if( !(flags&NETWORK_CONNECT) || flags&NETWORK_BIND ) {
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// server, else client
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PRINTF("Trying to bind server, else we connect as a client...\n");
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network_put(NETWORK_RANK, 0);
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if( server_bind(max_clients, port) ) {
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network_put(NETWORK_LIVE, 1);
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PRINTF("Server bound\n");
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} else {
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network_put(NETWORK_RANK, -1); /* unassigned until we connect successfully */
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int64_t socket = client_join(ip, port);
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if( socket >= 0 ) {
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PRINTF("Client connected, id %lld\n", socket);
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network_put(NETWORK_LIVE, 1);
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network_put(NETWORK_RANK, socket);
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} else {
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PRINTF("!Client conn failed\n");
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network_put(NETWORK_LIVE, 0);
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if (!(flags&NETWORK_NOFAIL))
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PANIC("cannot neither connect to %s:%d, nor create a server", ip, port);
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}
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}
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} else {
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// client only
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PRINTF("Connecting to server...\n");
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network_put(NETWORK_RANK, -1); /* unassigned until we connect successfully */
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int64_t socket = client_join(ip, port);
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if( socket > 0 ) {
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PRINTF("Client connected, id %lld\n", socket);
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network_put(NETWORK_LIVE, 1);
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network_put(NETWORK_RANK, socket);
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} else {
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PRINTF("!Client conn failed\n");
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network_put(NETWORK_LIVE, 0);
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if (!(flags&NETWORK_NOFAIL))
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PANIC("cannot connect to server %s:%d", ip, port);
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}
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}
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PRINTF("Network rank:%lld ip:%s port:%lld\n", network_get(NETWORK_RANK), ip, network_get(NETWORK_PORT));
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}
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int64_t network_put(uint64_t key, int64_t value) {
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int64_t *found = key < array_count(values) ? &values[key] : NULL;
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if(found) *found = value;
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return value;
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}
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int64_t network_get(uint64_t key) {
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int64_t *found = key < array_count(values) ? &values[key] : NULL;
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return found ? *found : 0;
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}
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void* network_buffer(void *ptr, unsigned sz, uint64_t flags, int64_t rank) {
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assert(flags);
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array(netbuffer_t) *found = map_find_or_add(buffers, rank, NULL);
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netbuffer_t nb;
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nb.owner = rank;
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nb.ptr = ptr;
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nb.sz = sz;
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nb.flags = flags;
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array_push(*found, nb);
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return ptr;
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}
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static
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int enet_event_to_netsync(int ev) {
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switch (ev) {
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case ENET_EVENT_TYPE_CONNECT: return NETWORK_EVENT_CONNECT;
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case ENET_EVENT_TYPE_DISCONNECT: return NETWORK_EVENT_DISCONNECT;
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case ENET_EVENT_TYPE_RECEIVE: return NETWORK_EVENT_RECEIVE;
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case ENET_EVENT_TYPE_DISCONNECT_TIMEOUT: return NETWORK_EVENT_DISCONNECT_TIMEOUT;
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}
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/* passthrough for our own events */
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return ev;
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}
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char** network_sync(unsigned timeout_ms) {
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int64_t whoami = network_get(NETWORK_RANK);
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bool is_server = whoami == 0;
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bool is_client = !is_server;
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if(timeout_ms < 2) timeout_ms = 2;
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network_dt = time_ss() - last_netsync;
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last_netsync = time_ss();
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// Split buffers into clients @todo
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// clients need to do this before network polling; servers should do this after polling.
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if (msg_send_cooldown <= 0.0) {
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map_foreach(buffers, int64_t, rank, array(netbuffer_t), list) {
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for(int i = 0, end = array_count(list); i < end; ++i) {
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netbuffer_t *nb = &list[i];
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if (!is_server && !(nb->flags & NETWORK_SEND))
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continue;
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static array(char) encapsulate;
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array_resize(encapsulate, nb->sz + 28);
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uint32_t *mid = (uint32_t*)&encapsulate[0]; *mid = MSG_BUF;
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uint64_t *st = (uint64_t*)&encapsulate[4]; *st = nb->flags;
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uint32_t *idx = (uint32_t*)&encapsulate[12]; *idx = i;
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uint32_t *len = (uint32_t*)&encapsulate[16]; *len = nb->sz;
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uint64_t *who = (uint64_t*)&encapsulate[20]; *who = nb->owner;
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// PRINTF("sending %llx %u %lld %u\n", *st, *idx, *who, *len);
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memcpy(&encapsulate[28], nb->ptr, nb->sz);
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server_broadcast_bin(&encapsulate[0], nb->sz + 28);
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}
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}
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msg_send_cooldown = (double)network_get(NETWORK_SEND_MS)/1000.0;
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} else {
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msg_send_cooldown -= network_dt;
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}
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if (is_server) {
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return server_poll(timeout_ms);
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} else {
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return client_poll(timeout_ms);
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}
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}
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char** server_poll(unsigned timeout_ms) {
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array_clear(events);
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if(timeout_ms < 2) timeout_ms = 2;
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// network poll
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for( ENetEvent event; Server && enet_host_service(Server, &event, timeout_ms) > 0; ) {
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char *msg = 0;
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char ip[128]; enet_peer_get_ip(event.peer, ip, 128);
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switch (event.type) {
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default: // case ENET_EVENT_TYPE_NONE:
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break;
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case ENET_EVENT_TYPE_CONNECT:;
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/* ensure we have free slot for client */
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if (map_count(clients) >= network_get(NETWORK_CAPACITY)-1) {
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msg = va("%d %s", 1, va("%s", "Server is at maximum capacity, disconnecting the peer (::%s:%u)...", ip, event.peer->address.port));
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enet_peer_disconnect_now(event.peer, 1);
|
|
break;
|
|
}
|
|
|
|
int64_t client_id = -1;
|
|
|
|
if (next_free_id) {
|
|
struct peer_node_t *node = next_free_id;
|
|
client_id = next_free_id->id;
|
|
next_free_id = next_free_id->next;
|
|
FREE(node);
|
|
}
|
|
else client_id = next_client_id++;
|
|
|
|
// if (network_get(NETWORK_BUF_CLEAR_ON_JOIN)) {
|
|
// array(netbuffer_t) *list = map_find(buffers, client_id);
|
|
|
|
// if (list)
|
|
// for(int i = 0, end = array_count(list); i < end; ++i) {
|
|
// netbuffer_t *nb = &list[i];
|
|
// memset(nb->ptr, 0, nb->sz);
|
|
// }
|
|
// }
|
|
|
|
map_find_or_add(clients, event.peer, client_id);
|
|
map_find_or_add(peers, client_id, event.peer);
|
|
network_put(NETWORK_COUNT, network_get(NETWORK_COUNT)+1);
|
|
|
|
|
|
// send server slot
|
|
char init_msg[12];
|
|
*(uint32_t*)&init_msg[0] = MSG_INIT;
|
|
*(int64_t*)&init_msg[4] = client_id;
|
|
server_send_bin(client_id, init_msg, 12);
|
|
PRINTF("Client rank %lld for peer ::%s:%u\n", client_id, ip, event.peer->address.port);
|
|
msg = va( "%d %s", 0, va("new client rank:%lld from ::%s:%u", client_id, ip, event.peer->address.port ));
|
|
event.peer->data = (void*)client_id;
|
|
break;
|
|
|
|
case ENET_EVENT_TYPE_RECEIVE:
|
|
char *dbg = (char *)event.peer->data;
|
|
char *ptr = (char *)event.packet->data;
|
|
unsigned sz = (unsigned)event.packet->dataLength;
|
|
unsigned id = (unsigned)event.channelID;
|
|
|
|
// debug
|
|
// puts(dbg);
|
|
// hexdump(ptr, sz);
|
|
|
|
// decapsulate incoming packet.
|
|
uint32_t mid = *(uint32_t*)(ptr + 0);
|
|
ptr += 4;
|
|
|
|
switch (mid) {
|
|
case MSG_BUF: {
|
|
uint64_t *flags = (uint64_t*)(ptr + 0);
|
|
uint32_t *idx = (uint32_t*)(ptr + 8);
|
|
uint32_t *len = (uint32_t*)(ptr + 12);
|
|
uint64_t *who = (uint64_t*)(ptr + 16);
|
|
ptr += 24;
|
|
|
|
// validate if peer owns the buffer
|
|
int64_t *cid = map_find(clients, event.peer);
|
|
uint8_t client_valid = cid ? *cid == *who : 0;
|
|
|
|
// apply incoming packet.
|
|
if( client_valid ) {
|
|
array(netbuffer_t) *list = map_find(buffers, *who);
|
|
assert( list );
|
|
assert( *idx < array_count(*list) );
|
|
netbuffer_t *nb = &(*list)[*idx];
|
|
assert( *len == nb->sz );
|
|
memcpy(nb->ptr, ptr, *len);
|
|
}
|
|
} break;
|
|
case MSG_RPC: {
|
|
event.type = NETWORK_EVENT_RPC;
|
|
unsigned id = *(uint32_t*)ptr; ptr += 4;
|
|
char *cmdline = ptr;
|
|
char *resp = rpc(id, cmdline);
|
|
char *resp_msg = MALLOC(strlen(resp) + 6);
|
|
*(uint32_t*)&resp_msg[0] = MSG_RPC_RESP;
|
|
memcpy(&resp_msg[4], resp, strlen(resp)+1);
|
|
ENetPacket *packet = enet_packet_create(resp_msg, strlen(resp) + 5, ENET_PACKET_FLAG_RELIABLE);
|
|
enet_peer_send(event.peer, 0, packet);
|
|
msg = va("%d %s", 0, va("req:%s res:%s", cmdline, resp));
|
|
FREE(resp_msg);
|
|
} break;
|
|
case MSG_RPC_RESP: {
|
|
event.type = NETWORK_EVENT_RPC_RESP;
|
|
msg = va("%d %s", 0, va("%s", ptr));
|
|
} break;
|
|
default:
|
|
msg = va("%d %s", -1, va("unk msg len:%u from rank:%lld ::%s:%u", sz, (uint64_t)event.peer->data, ip, event.peer->address.port)); /* @TODO: hexdump? */
|
|
break;
|
|
}
|
|
/* Clean up the packet now that we're done using it. */
|
|
enet_packet_destroy( event.packet );
|
|
break;
|
|
|
|
case ENET_EVENT_TYPE_DISCONNECT:
|
|
msg = va( "%d %s", 0, va("disconnect rank:%lld", (uint64_t)event.peer->data));
|
|
/* Reset the peer's client information. */
|
|
FREE(event.peer->data);
|
|
event.peer->data = NULL;
|
|
server_drop_client_peer(event.peer);
|
|
network_put(NETWORK_COUNT, network_get(NETWORK_COUNT)-1);
|
|
break;
|
|
|
|
case ENET_EVENT_TYPE_DISCONNECT_TIMEOUT:
|
|
msg = va( "%d %s", 0, va("timeout rank:%lld", (uint64_t)event.peer->data));
|
|
FREE(event.peer->data);
|
|
event.peer->data = NULL;
|
|
server_drop_client_peer(event.peer);
|
|
network_put(NETWORK_COUNT, network_get(NETWORK_COUNT)-1);
|
|
break;
|
|
}
|
|
|
|
if(msg) array_push(events, va("%d %s", enet_event_to_netsync(event.type), msg));
|
|
}
|
|
|
|
array_push(events, NULL);
|
|
return events;
|
|
}
|
|
|
|
char** client_poll(unsigned timeout_ms) {
|
|
array_clear(events);
|
|
int64_t whoami = network_get(NETWORK_RANK);
|
|
if(timeout_ms < 2) timeout_ms = 2;
|
|
|
|
// network poll
|
|
for( ENetEvent event; Server && enet_host_service(Server, &event, timeout_ms) > 0; ) {
|
|
char *msg = 0;
|
|
char ip[128]; enet_peer_get_ip(event.peer, ip, 128);
|
|
|
|
switch (event.type) {
|
|
default: // case ENET_EVENT_TYPE_NONE:
|
|
break;
|
|
|
|
case ENET_EVENT_TYPE_CONNECT:
|
|
break;
|
|
|
|
case ENET_EVENT_TYPE_RECEIVE:
|
|
char *dbg = (char *)event.peer->data;
|
|
char *ptr = (char *)event.packet->data;
|
|
unsigned sz = (unsigned)event.packet->dataLength;
|
|
unsigned id = (unsigned)event.channelID;
|
|
|
|
// decapsulate incoming packet.
|
|
uint32_t mid = *(uint32_t*)(ptr + 0);
|
|
ptr += 4;
|
|
|
|
switch (mid) {
|
|
case MSG_INIT:
|
|
/* handled by client_join */
|
|
break;
|
|
case MSG_BUF: {
|
|
uint64_t *flags = (uint64_t*)(ptr + 0);
|
|
uint32_t *idx = (uint32_t*)(ptr + 8);
|
|
uint32_t *len = (uint32_t*)(ptr + 12);
|
|
uint64_t *who = (uint64_t*)(ptr + 16);
|
|
ptr += 24;
|
|
|
|
// apply incoming packet.
|
|
if( *who != whoami ) {
|
|
array(netbuffer_t) *list = map_find(buffers, *who);
|
|
assert( list );
|
|
assert( *idx < array_count(*list) );
|
|
netbuffer_t *nb = &(*list)[*idx];
|
|
assert( *len == nb->sz );
|
|
memcpy(nb->ptr, ptr, *len);
|
|
}
|
|
} break;
|
|
case MSG_RPC: {
|
|
event.type = NETWORK_EVENT_RPC;
|
|
unsigned id = *(uint32_t*)ptr; ptr += 4;
|
|
char *cmdline = ptr;
|
|
char *resp = rpc(id, cmdline);
|
|
char *resp_msg = MALLOC(strlen(resp) + 6);
|
|
*(uint32_t*)&resp_msg[0] = MSG_RPC_RESP;
|
|
memcpy(&resp_msg[4], resp, strlen(resp)+1);
|
|
ENetPacket *packet = enet_packet_create(resp_msg, strlen(resp) + 5, ENET_PACKET_FLAG_RELIABLE);
|
|
enet_peer_send(event.peer, 0, packet);
|
|
msg = va("%d %s", 0, va("req:%s res:%s", cmdline, resp));
|
|
FREE(resp_msg);
|
|
} break;
|
|
case MSG_RPC_RESP: {
|
|
event.type = NETWORK_EVENT_RPC_RESP;
|
|
msg = va("%d %s", 0, va("%s", ptr));
|
|
} break;
|
|
default:
|
|
msg = va("%d %s", -1, va("unk msg len:%u from server", sz)); /* @TODO: hexdump? */
|
|
break;
|
|
}
|
|
/* Clean up the packet now that we're done using it. */
|
|
enet_packet_destroy( event.packet );
|
|
break;
|
|
|
|
case ENET_EVENT_TYPE_DISCONNECT:
|
|
msg = va( "%d disconnect", 0 );
|
|
/* Reset the peer's client information. */
|
|
FREE(event.peer->data);
|
|
event.peer->data = NULL;
|
|
network_put(NETWORK_RANK, -1);
|
|
network_put(NETWORK_LIVE, 0);
|
|
break;
|
|
|
|
case ENET_EVENT_TYPE_DISCONNECT_TIMEOUT:
|
|
msg = va( "%d timeout", 0);
|
|
FREE(event.peer->data);
|
|
event.peer->data = NULL;
|
|
network_put(NETWORK_RANK, -1);
|
|
network_put(NETWORK_LIVE, 0);
|
|
break;
|
|
}
|
|
|
|
if(msg) array_push(events, va("%d %s", enet_event_to_netsync(event.type), msg));
|
|
}
|
|
|
|
array_push(events, NULL);
|
|
return events;
|
|
}
|
|
|
|
int network_event(const char *msg, int *errcode, char **errstr) {
|
|
int evid = -1;
|
|
int err = 0;
|
|
char errbuf[128] = {0};
|
|
sscanf(msg, "%d %d %127[^\r\n]", &evid, &err, errbuf);
|
|
if (errcode) *errcode = err;
|
|
if (errstr) *errstr = va("%s", errbuf);
|
|
return evid;
|
|
}
|
|
|
|
void network_rpc(const char *signature, void *function) {
|
|
rpc_insert(signature, function);
|
|
}
|
|
|
|
void network_rpc_send_to(int64_t rank, unsigned id, const char *cmdline) {
|
|
assert(network_get(NETWORK_RANK) == 0); /* must be a host */
|
|
unsigned sz = strlen(cmdline) + 9;
|
|
char *msg = MALLOC(sz);
|
|
*(uint32_t*)&msg[0] = MSG_RPC;
|
|
*(uint32_t*)&msg[4] = id;
|
|
memcpy(&msg[8], cmdline, sz-8);
|
|
server_send_bin(rank, msg, sz);
|
|
FREE(msg);
|
|
}
|
|
|
|
void network_rpc_send(unsigned id, const char *cmdline) {
|
|
unsigned sz = strlen(cmdline) + 9;
|
|
char *msg = MALLOC(sz);
|
|
*(uint32_t*)&msg[0] = MSG_RPC;
|
|
*(uint32_t*)&msg[4] = id;
|
|
memcpy(&msg[8], cmdline, sz-8);
|
|
server_broadcast_bin(msg, sz);
|
|
FREE(msg);
|
|
}
|