mirror of https://github.com/ARMmbed/mbed-os.git
76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
/* Socket
|
|
* Copyright (c) 2015 ARM Limited
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "TCPServer.h"
|
|
|
|
TCPServer::TCPServer()
|
|
{
|
|
_socket_stats.stats_update_proto(this, NSAPI_TCP);
|
|
}
|
|
|
|
nsapi_error_t TCPServer::accept(TCPSocket *connection, SocketAddress *address)
|
|
{
|
|
_lock.lock();
|
|
nsapi_error_t ret;
|
|
|
|
while (true) {
|
|
if (!_socket) {
|
|
ret = NSAPI_ERROR_NO_SOCKET;
|
|
break;
|
|
}
|
|
|
|
core_util_atomic_flag_clear(&_pending);
|
|
void *socket;
|
|
ret = _stack->socket_accept(_socket, &socket, address);
|
|
|
|
if (0 == ret) {
|
|
connection->_lock.lock();
|
|
|
|
if (connection->_socket) {
|
|
connection->close();
|
|
}
|
|
|
|
connection->_stack = _stack;
|
|
connection->_socket = socket;
|
|
connection->_event = { connection, &TCPSocket::event };
|
|
_stack->socket_attach(socket, connection->_event.thunk, &connection->_event);
|
|
_socket_stats.stats_update_peer(connection, *address);
|
|
_socket_stats.stats_update_socket_state(connection, SOCK_CONNECTED);
|
|
connection->_lock.unlock();
|
|
break;
|
|
} else if ((_timeout == 0) || (ret != NSAPI_ERROR_WOULD_BLOCK)) {
|
|
break;
|
|
} else {
|
|
uint32_t flag;
|
|
|
|
// Release lock before blocking so other threads
|
|
// accessing this object aren't blocked
|
|
_lock.unlock();
|
|
flag = _event_flag.wait_any(READ_FLAG, _timeout);
|
|
_lock.lock();
|
|
|
|
if (flag & osFlagsError) {
|
|
// Timeout break
|
|
ret = NSAPI_ERROR_WOULD_BLOCK;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
_lock.unlock();
|
|
return ret;
|
|
}
|