void close() { if (open) { wiced_tcp_disconnect(this); open = false; } wiced_tcp_delete_socket(this); memset(this, 0, sizeof(wiced_tcp_socket_t)); packet.dispose_packet(); }
/** * Called from the client to disconnect this server. * @param socket * @return */ wiced_result_t disconnect(wiced_tcp_socket_t* socket) { os_mutex_recursive_lock(accept_lock); wiced_tcp_disconnect(socket); // remove from client array as this socket is getting closed and // subsequently destroyed int idx = index(socket); if (idx >= 0) { clients[idx] = NULL; } wiced_result_t result = wiced_tcp_server_disconnect_socket(this, socket); os_mutex_recursive_unlock(accept_lock); return result; }
static wiced_result_t client_disconnected_callback( wiced_tcp_socket_t* socket, void* arg ) { UNUSED_PARAMETER( arg ); // There are two ways to get here // 1. You disconnected the socket ... then this calls back for you to listen again (WICED_SOCKET_CLOSED) // 2. The client disconnected (in which case the state is WICED_SOCKET_CLOSING wiced_socket_state_t ss; wiced_tcp_get_socket_state( socket, &ss); /* // Debug prints switch(ss) { case WICED_SOCKET_CLOSED: WPRINT_APP_INFO(("closed\n")); break; case WICED_SOCKET_CLOSING: WPRINT_APP_INFO(("closing\n")); break; case WICED_SOCKET_CONNECTING: WPRINT_APP_INFO(("connecting\n")); break; case WICED_SOCKET_CONNECTED: WPRINT_APP_INFO(("connected\n")); break; case WICED_SOCKET_DATA_PENDING: WPRINT_APP_INFO(("data pending\n")); break; case WICED_SOCKET_LISTEN: WPRINT_APP_INFO(("listen\n")); break; case WICED_SOCKET_ERROR: WPRINT_APP_INFO(("error\n")); break; } */ if(ss == WICED_SOCKET_CLOSED) { wiced_tcp_listen( socket, TCP_SERVER_LISTEN_PORT ); return WICED_SUCCESS; } wiced_tcp_disconnect(socket); return WICED_SUCCESS; }
wiced_result_t xively_close_feed( xively_feed_t* feed ) { wiced_tcp_disconnect( &feed->socket ); return wiced_tcp_delete_socket( &feed->socket ); }
// The nonsecure server thread static void tcp_server_nonsecure_thread_main(wiced_thread_arg_t arg) { wiced_result_t result; wiced_tcp_stream_t stream; // The TCP stream wiced_tcp_socket_t socket; uint8_t rbuffer[MAX_LEGAL_MSG]; char returnMessage[128]; // better use less than 128 bytes // setup the server by creating the socket and hooking it to the correct TCP Port result = wiced_tcp_create_socket(&socket, INTERFACE); if(WICED_SUCCESS != result) { WPRINT_APP_INFO(("Create socket failed\n")); return; // this is a bad outcome } wiced_tcp_stream_init(&stream,&socket); if(WICED_SUCCESS != result) { WPRINT_APP_INFO(("Init stream failed\n")); return; // this is a bad outcome } result = wiced_tcp_listen( &socket, TCP_SERVER_NONSECURE_LISTEN_PORT ); if(WICED_SUCCESS != result) { WPRINT_APP_INFO(("Listen socket failed\n")); return; } while (1 ) { result = wiced_tcp_accept( &socket ); // this halts the thread until there is a connection if(result != WICED_SUCCESS) // this occurs if the accept times out continue; nonsecureConnectionCount += 1; /// Figure out which client is talking to us... and on which port wiced_ip_address_t peerAddress; uint16_t peerPort; wiced_tcp_server_peer(&socket,&peerAddress,&peerPort); uint32_t dataReadCount; wiced_tcp_stream_read_with_count(&stream,&rbuffer,MAX_LEGAL_MSG,100,&dataReadCount); // timeout in 100 ms processClientCommand(rbuffer, dataReadCount ,returnMessage); displayResult(peerAddress,peerPort,returnMessage); // send response and close things up wiced_tcp_stream_write(&stream,returnMessage,strlen(returnMessage)); wiced_tcp_stream_flush(&stream); wiced_tcp_disconnect(&socket); // disconnect the connection wiced_tcp_stream_deinit(&stream); // clear the stream if any crap left wiced_tcp_stream_init(&stream,&socket); // setup for next connection } }
wiced_result_t open_websocket(websocket_handshake_t *hs, websocket_msg_handler_t binary_msg_handler, websocket_msg_handler_t text_msg_handler, void *ctx) { wiced_result_t ret; wiced_ip_address_t host_ip; wiced_tls_context_t tls_ctx; wiced_tcp_socket_t sock; wiced_tcp_stream_t stream; char *buf = NULL; uint32_t i; https_header_t *header; WPRINT_LIB_INFO( ("Starting WebSocket handshake to https://%s%s\n", hs->hostname, hs->path) ); ret = wiced_hostname_lookup(hs->hostname, &host_ip, DNS_TIMEOUT); if (ret != WICED_SUCCESS) { WPRINT_LIB_INFO( ("DNS lookup failed for %s (err=%u)\n", hs->hostname, ret) ); return ret; } wiced_tls_init_context(&tls_ctx, NULL, NULL); wiced_tcp_create_socket(&sock, WICED_STA_INTERFACE); wiced_tcp_enable_tls(&sock, &tls_ctx); { char ip_str[48]; ip_to_str(&host_ip, ip_str); WPRINT_LIB_INFO( ("Establishing TLS connection to %s port %d\n", ip_str, HTTPS_PORT) ); } ret = wiced_tcp_connect(&sock, &host_ip, HTTPS_PORT, HTTPS_CONNECT_TIMEOUT); if (ret != WICED_SUCCESS) { WPRINT_LIB_INFO( ("Failed to create TCP connection (err=%u)\n", ret) ); wiced_tcp_delete_socket(&sock); return ret; } do { ret = wiced_tcp_stream_init(&stream, &sock); if (ret != WICED_SUCCESS) { WPRINT_LIB_INFO( ("Failed to initialize TCP stream (err=%u)\n", ret) ); break; } buf = (char *)malloc(STREAM_BUF_SIZE); snprintf(buf, STREAM_BUF_SIZE, "GET %s HTTP/1.1\r\n", hs->path); WRITE_STREAM(stream, buf, ret); // Required headers. snprintf(buf, STREAM_BUF_SIZE, "Host: %s\r\n" \ "Connection: upgrade\r\n" \ "Upgrade: websocket\r\n" \ "Sec-WebSocket-Key: %s\r\n" \ "Sec-WebSocket-Version: 13\r\n", hs->hostname, hs->key); WRITE_STREAM(stream, buf, ret); // Additional headers. for (i = 0; i < hs->num_headers; i++) { header = &(hs->headers[i]); snprintf(buf, STREAM_BUF_SIZE, "%s: %s\r\n", header->name, header->value); WRITE_STREAM(stream, buf, ret); } if (i < hs->num_headers) { break; } strcpy(buf, "\r\n"); WRITE_STREAM(stream, buf, ret); ret = wiced_tcp_stream_flush(&stream); if (ret != WICED_SUCCESS) { break; } ret = process_handshake_response(hs, &sock); } while (WICED_FALSE); if (buf) { free(buf); } wiced_tcp_stream_deinit(&stream); if (ret == WICED_SUCCESS) { WPRINT_LIB_INFO( ("WebSocket handshake OK\n") ); process_frames(&sock, binary_msg_handler, text_msg_handler, ctx); WPRINT_LIB_INFO( ("Closing WebSocket.\n") ); } else { WPRINT_LIB_INFO( ("WebSocket handshake failed (err=%u)\n", ret) ); } wiced_tcp_disconnect(&sock); wiced_tcp_delete_socket(&sock); return ret; }
void platform_network_disconnect(Network* n) { wiced_tcp_disconnect(&n->socket); wiced_tcp_stream_deinit(&n->stream); wiced_tcp_delete_socket(&n->socket); }
static void tcp_server_thread_main(uint32_t arg) { tcp_server_handle_t* server = (tcp_server_handle_t*) arg; while ( quit != WICED_TRUE ) { wiced_packet_t* temp_packet = NULL; /* Wait for a connection */ wiced_result_t result = wiced_tcp_accept( &server->socket ); #ifdef TCP_KEEPALIVE_ENABLED result = wiced_tcp_enable_keepalive(&server->socket, TCP_SERVER_KEEP_ALIVE_INTERVAL, TCP_SERVER_KEEP_ALIVE_PROBES, TCP_SERVER_KEEP_ALIVE_TIME ); if( result != WICED_SUCCESS ) { WPRINT_APP_INFO(("Keep alive initialization failed \n")); } #endif /* TCP_KEEPALIVE_ENABLED */ if ( result == WICED_SUCCESS ) { /* Receive the query from the TCP client */ if (wiced_tcp_receive( &server->socket, &temp_packet, WICED_WAIT_FOREVER ) == WICED_SUCCESS) { /* Process the client request */ tcp_server_process( server, temp_packet ); /* Delete the packet, we're done with it */ wiced_packet_delete( temp_packet ); #ifdef TCP_KEEPALIVE_ENABLED WPRINT_APP_INFO(("Waiting for data on a socket\n")); /* Check keepalive: wait to see whether the keepalive protocol has commenced */ /* This is achieved by waiting forever for a packet to be received on the TCP connection*/ if (wiced_tcp_receive( &server->socket, &temp_packet, WICED_WAIT_FOREVER ) == WICED_SUCCESS) { tcp_server_process( server, temp_packet ); /* Release the packet, we don't need it any more */ wiced_packet_delete( temp_packet ); } else { WPRINT_APP_INFO(("Connection has been dropped by networking stack\n\n")); } #endif /* TCP_KEEPALIVE_ENABLED */ } else { /* Send failed or connection has been lost, close the existing connection and */ /* get ready to accept the next one */ wiced_tcp_disconnect( &server->socket ); } } } WPRINT_APP_INFO(("Disconnect\n")); wiced_tcp_disconnect( &server->socket ); WICED_END_OF_CURRENT_THREAD( ); }
static void ota_server_thread_main(uint32_t arg) { ota_server_t* server = (ota_server_t*) arg; uint32_t total_body_size = 0; int i = 0; server->reboot_required = WICED_FALSE; while ( server->quit != WICED_TRUE ) { wiced_packet_t* temp_packet = NULL; /* Wait for a connection */ wiced_result_t result = wiced_tcp_accept( &server->socket ); if ( result == WICED_SUCCESS ) { for(;;) { if ( wiced_tcp_receive( &server->socket, &temp_packet, WICED_WAIT_FOREVER ) == WICED_SUCCESS ) { char* request_string; uint16_t request_length; uint16_t available_data_length; if( server->state == READING_HEADER ) { uint8_t temp = 0; wiced_result_t result = WICED_ERROR; if ( temp_packet == NULL ) { goto disconnect; } init_request(server); server->request.request_packets[server->request.current_packet_index] = temp_packet; wiced_packet_get_data(temp_packet, 0, (uint8_t**)&request_string, &request_length, &available_data_length); /* Check that this is a GET or POST request, abort everything else */ if ( ( strstr( request_string, "GET" ) == 0 ) && ( strstr( request_string, "POST") == 0 ) ) { result = WICED_ERROR; wiced_packet_delete(temp_packet); goto disconnect; } /* Get header pointer and header size */ server->request.header_ptr = (uint8_t*)request_string; server->request.header_size = ( (char*)strstr( (char*)request_string, crlfcrlf ) + strlen( crlfcrlf ) ) - (char*)request_string; if( server->request.header_size == strlen( crlfcrlf ) ) { goto disconnect; } /* Get content length */ server->request.content_length = 0; if( strstr( request_string, "Content-Length") != NULL ) { uint8_t* content_length_value = (uint8_t*)strstr( request_string, "Content-Length") + strlen("Content-Length:"); server->request.content_length = atoi((const char*)content_length_value); } temp = request_string[ server->request.header_size ]; request_string[ server->request.header_size ] ='\0'; request_string[ server->request.header_size ] = temp; /* Get request type and the url */ result = get_http_request_type_and_url( (uint8_t*)request_string, request_length, &server->request); if ( result == WICED_ERROR ) { goto disconnect; } server->state = READING_BODY; } if( server->state == READING_BODY ) { http_body_chunk_t* current_body_chunk = &server->request.body_chunks[server->request.current_packet_index]; if( server->request.current_packet_index != 0 ) { server->request.request_packets[server->request.current_packet_index] = temp_packet; } wiced_packet_get_data(temp_packet, 0, (uint8_t**)&request_string, &request_length, &available_data_length); if( server->request.current_packet_index == 0 ) { current_body_chunk->data = server->request.header_ptr + server->request.header_size; current_body_chunk->size = ( request_string + request_length ) - (char*)current_body_chunk->data; } else { current_body_chunk->data = (uint8_t*)request_string; current_body_chunk->size = request_length; } /* calculate total combined size of all body chunks which belongs to this message */ total_body_size = 0; for( i = 0; i < ( server->request.current_packet_index + 1 ) ; i++ ) { total_body_size+= server->request.body_chunks[i].size; } server->request.current_packet_index++; /* Check whether the combined size of the previous chunks and the current one is equal to the content length received in the first packet */ if( total_body_size == server->request.content_length ) { ota_server_process_request( server, &server->socket ); /* Delete all packets belonging to the message */ for( i = 0; i < server->request.current_packet_index; i++ ) { wiced_packet_delete(server->request.request_packets[i]); } server->state = READING_HEADER; break; } } } else { goto disconnect; } } } disconnect: wiced_tcp_disconnect( &server->socket ); } wiced_tcp_delete_socket( &server->socket ); if( server->reboot_required == WICED_TRUE ) { /* Give some for the response to be sent properly */ wiced_rtos_delay_milliseconds(2000); /* Perform a reboot!!! */ wiced_framework_reboot(); } WICED_END_OF_CURRENT_THREAD( ); }
static void tcp_server_thread_main(wiced_thread_arg_t arg) { wiced_bool_t wwepSecurity = (wiced_bool_t)arg; wiced_result_t result; wiced_tcp_stream_t stream; // The TCP stream wiced_tcp_socket_t socket; platform_dct_security_t *dct_security; wiced_tls_identity_t tls_identity; wiced_tls_context_t tls_context; uint8_t rbuffer[MAX_LEGAL_MSG]; char returnMessage[128]; // better use less than 128 bytes // setup the server by creating the socket and hooking it to the correct TCP Port result = wiced_tcp_create_socket(&socket, INTERFACE); if(WICED_SUCCESS != result) { WPRINT_APP_INFO(("Create socket failed\n")); return; // this is a bad outcome } if(wwepSecurity == WICED_TRUE) { WPRINT_APP_INFO(("Starting secure\n")); } else { WPRINT_APP_INFO(("Starting non-secure\n")); } result = wiced_tcp_listen( &socket, (wwepSecurity == WICED_TRUE)?TCP_SERVER_SECURE_LISTEN_PORT:TCP_SERVER_NONSECURE_LISTEN_PORT ); if(WICED_SUCCESS != result) { WPRINT_APP_INFO(("Listen socket failed\n")); return; } if(wwepSecurity == WICED_TRUE) { /* Lock the DCT to allow us to access the certificate and key */ WPRINT_APP_INFO(( "Read the certificate Key from DCT\n" )); result = wiced_dct_read_lock( (void**) &dct_security, WICED_FALSE, DCT_SECURITY_SECTION, 0, sizeof( *dct_security ) ); if ( result != WICED_SUCCESS ) { WPRINT_APP_INFO(("Unable to lock DCT to read certificate\n")); return; } /* Setup TLS identity */ result = wiced_tls_init_identity( &tls_identity, dct_security->private_key, strlen( dct_security->private_key ), (uint8_t*) dct_security->certificate, strlen( dct_security->certificate ) ); if ( result != WICED_SUCCESS ) { WPRINT_APP_INFO(( "Unable to initialize TLS identity. Error = [%d]\n", result )); return; } } else { wiced_tcp_stream_init(&stream,&socket); if(WICED_SUCCESS != result) { WPRINT_APP_INFO(("Init stream failed\n")); return; // this is a bad outcome } } while (1 ) { if(wwepSecurity == WICED_TRUE) { result = wiced_tls_init_context( &tls_context, &tls_identity, NULL ); if(result != WICED_SUCCESS) { WPRINT_APP_INFO(("Init context failed %d",result)); return; } result = wiced_tcp_enable_tls(&socket,&tls_context); if(result != WICED_SUCCESS) { WPRINT_APP_INFO(("Enabling TLS failed %d",result)); return; } wiced_tcp_stream_init(&stream,&socket); if(WICED_SUCCESS != result) { WPRINT_APP_INFO(("Init stream failed\n")); return; // this is a bad outcome } } result = wiced_tcp_accept( &socket ); // this halts the thread until there is a connection if(result != WICED_SUCCESS) // this occurs if the accept times out continue; if(wwepSecurity == WICED_TRUE) secureConnectionCount += 1; else nonsecureConnectionCount += 1; /// Figure out which client is talking to us... and on which port wiced_ip_address_t peerAddress; uint16_t peerPort; wiced_tcp_server_peer(&socket,&peerAddress,&peerPort); uint32_t dataReadCount; wiced_tcp_stream_read_with_count(&stream,&rbuffer,MAX_LEGAL_MSG,100,&dataReadCount); // timeout in 100 ms processClientCommand(rbuffer, dataReadCount ,returnMessage); displayResult(peerAddress,peerPort,returnMessage); // send response and close things up wiced_tcp_stream_write(&stream,returnMessage,strlen(returnMessage)); wiced_tcp_stream_flush(&stream); wiced_tcp_disconnect(&socket); // disconnect the connection if(wwepSecurity == WICED_TRUE) { wiced_tls_deinit_context(&tls_context); } wiced_tcp_stream_deinit(&stream); // clear the stream if any crap left wiced_tcp_stream_init(&stream,&socket); // setup for next connection } }