takashi kadono / Mbed OS Nucleo_446

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Dependencies:   ssd1331

mbed-os/features/netsocket/TCPServer.cpp@0:8fdf9a60065b, 2018-10-10 (annotated)

Committer:
kadonotakashi
Date:
Wed Oct 10 00:33:53 2018 +0000
Revision:
0:8fdf9a60065b
how to make mbed librry

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kadonotakashi 0:8fdf9a60065b 1 /* Socket
kadonotakashi 0:8fdf9a60065b 2 * Copyright (c) 2015 ARM Limited
kadonotakashi 0:8fdf9a60065b 3 *
kadonotakashi 0:8fdf9a60065b 4 * Licensed under the Apache License, Version 2.0 (the "License");
kadonotakashi 0:8fdf9a60065b 5 * you may not use this file except in compliance with the License.
kadonotakashi 0:8fdf9a60065b 6 * You may obtain a copy of the License at
kadonotakashi 0:8fdf9a60065b 7 *
kadonotakashi 0:8fdf9a60065b 8 * http://www.apache.org/licenses/LICENSE-2.0
kadonotakashi 0:8fdf9a60065b 9 *
kadonotakashi 0:8fdf9a60065b 10 * Unless required by applicable law or agreed to in writing, software
kadonotakashi 0:8fdf9a60065b 11 * distributed under the License is distributed on an "AS IS" BASIS,
kadonotakashi 0:8fdf9a60065b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kadonotakashi 0:8fdf9a60065b 13 * See the License for the specific language governing permissions and
kadonotakashi 0:8fdf9a60065b 14 * limitations under the License.
kadonotakashi 0:8fdf9a60065b 15 */
kadonotakashi 0:8fdf9a60065b 16
kadonotakashi 0:8fdf9a60065b 17 #include "TCPServer.h"
kadonotakashi 0:8fdf9a60065b 18 #include "mbed.h"
kadonotakashi 0:8fdf9a60065b 19
kadonotakashi 0:8fdf9a60065b 20 TCPServer::TCPServer()
kadonotakashi 0:8fdf9a60065b 21 {
kadonotakashi 0:8fdf9a60065b 22 }
kadonotakashi 0:8fdf9a60065b 23
kadonotakashi 0:8fdf9a60065b 24 TCPServer::~TCPServer()
kadonotakashi 0:8fdf9a60065b 25 {
kadonotakashi 0:8fdf9a60065b 26 close();
kadonotakashi 0:8fdf9a60065b 27 }
kadonotakashi 0:8fdf9a60065b 28
kadonotakashi 0:8fdf9a60065b 29 nsapi_error_t TCPServer::accept(TCPSocket *connection, SocketAddress *address)
kadonotakashi 0:8fdf9a60065b 30 {
kadonotakashi 0:8fdf9a60065b 31 _lock.lock();
kadonotakashi 0:8fdf9a60065b 32 nsapi_error_t ret;
kadonotakashi 0:8fdf9a60065b 33
kadonotakashi 0:8fdf9a60065b 34 while (true) {
kadonotakashi 0:8fdf9a60065b 35 if (!_socket) {
kadonotakashi 0:8fdf9a60065b 36 ret = NSAPI_ERROR_NO_SOCKET;
kadonotakashi 0:8fdf9a60065b 37 break;
kadonotakashi 0:8fdf9a60065b 38 }
kadonotakashi 0:8fdf9a60065b 39
kadonotakashi 0:8fdf9a60065b 40 _pending = 0;
kadonotakashi 0:8fdf9a60065b 41 void *socket;
kadonotakashi 0:8fdf9a60065b 42 ret = _stack->socket_accept(_socket, &socket, address);
kadonotakashi 0:8fdf9a60065b 43
kadonotakashi 0:8fdf9a60065b 44 if (0 == ret) {
kadonotakashi 0:8fdf9a60065b 45 connection->_lock.lock();
kadonotakashi 0:8fdf9a60065b 46
kadonotakashi 0:8fdf9a60065b 47 if (connection->_socket) {
kadonotakashi 0:8fdf9a60065b 48 connection->close();
kadonotakashi 0:8fdf9a60065b 49 }
kadonotakashi 0:8fdf9a60065b 50
kadonotakashi 0:8fdf9a60065b 51 connection->_stack = _stack;
kadonotakashi 0:8fdf9a60065b 52 connection->_socket = socket;
kadonotakashi 0:8fdf9a60065b 53 connection->_event = Callback<void()>(connection, &TCPSocket::event);
kadonotakashi 0:8fdf9a60065b 54 _stack->socket_attach(socket, &Callback<void()>::thunk, &connection->_event);
kadonotakashi 0:8fdf9a60065b 55
kadonotakashi 0:8fdf9a60065b 56 connection->_lock.unlock();
kadonotakashi 0:8fdf9a60065b 57 break;
kadonotakashi 0:8fdf9a60065b 58 } else if ((_timeout == 0) || (ret != NSAPI_ERROR_WOULD_BLOCK)) {
kadonotakashi 0:8fdf9a60065b 59 break;
kadonotakashi 0:8fdf9a60065b 60 } else {
kadonotakashi 0:8fdf9a60065b 61 uint32_t flag;
kadonotakashi 0:8fdf9a60065b 62
kadonotakashi 0:8fdf9a60065b 63 // Release lock before blocking so other threads
kadonotakashi 0:8fdf9a60065b 64 // accessing this object aren't blocked
kadonotakashi 0:8fdf9a60065b 65 _lock.unlock();
kadonotakashi 0:8fdf9a60065b 66 flag = _event_flag.wait_any(READ_FLAG, _timeout);
kadonotakashi 0:8fdf9a60065b 67 _lock.lock();
kadonotakashi 0:8fdf9a60065b 68
kadonotakashi 0:8fdf9a60065b 69 if (flag & osFlagsError) {
kadonotakashi 0:8fdf9a60065b 70 // Timeout break
kadonotakashi 0:8fdf9a60065b 71 ret = NSAPI_ERROR_WOULD_BLOCK;
kadonotakashi 0:8fdf9a60065b 72 break;
kadonotakashi 0:8fdf9a60065b 73 }
kadonotakashi 0:8fdf9a60065b 74 }
kadonotakashi 0:8fdf9a60065b 75 }
kadonotakashi 0:8fdf9a60065b 76
kadonotakashi 0:8fdf9a60065b 77 _lock.unlock();
kadonotakashi 0:8fdf9a60065b 78 return ret;
kadonotakashi 0:8fdf9a60065b 79 }