mbed-os5 only for TYBLE16
Dependents: TYBLE16_simple_data_logger TYBLE16_MP3_Air
features/netsocket/TCPServer.cpp@1:9db0e321a9f4, 2019-12-31 (annotated)
- Committer:
- kenjiArai
- Date:
- Tue Dec 31 06:02:27 2019 +0000
- Revision:
- 1:9db0e321a9f4
- Parent:
- 0:5b88d5760320
updated based on mbed-os5.15.0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kenjiArai | 0:5b88d5760320 | 1 | /* Socket |
kenjiArai | 0:5b88d5760320 | 2 | * Copyright (c) 2015 ARM Limited |
kenjiArai | 0:5b88d5760320 | 3 | * |
kenjiArai | 0:5b88d5760320 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
kenjiArai | 0:5b88d5760320 | 5 | * you may not use this file except in compliance with the License. |
kenjiArai | 0:5b88d5760320 | 6 | * You may obtain a copy of the License at |
kenjiArai | 0:5b88d5760320 | 7 | * |
kenjiArai | 0:5b88d5760320 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
kenjiArai | 0:5b88d5760320 | 9 | * |
kenjiArai | 0:5b88d5760320 | 10 | * Unless required by applicable law or agreed to in writing, software |
kenjiArai | 0:5b88d5760320 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
kenjiArai | 0:5b88d5760320 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
kenjiArai | 0:5b88d5760320 | 13 | * See the License for the specific language governing permissions and |
kenjiArai | 0:5b88d5760320 | 14 | * limitations under the License. |
kenjiArai | 0:5b88d5760320 | 15 | */ |
kenjiArai | 0:5b88d5760320 | 16 | |
kenjiArai | 0:5b88d5760320 | 17 | #include "TCPServer.h" |
kenjiArai | 0:5b88d5760320 | 18 | |
kenjiArai | 0:5b88d5760320 | 19 | using mbed::Callback; |
kenjiArai | 0:5b88d5760320 | 20 | |
kenjiArai | 0:5b88d5760320 | 21 | TCPServer::TCPServer() |
kenjiArai | 0:5b88d5760320 | 22 | { |
kenjiArai | 0:5b88d5760320 | 23 | _socket_stats.stats_update_proto(this, NSAPI_TCP); |
kenjiArai | 0:5b88d5760320 | 24 | } |
kenjiArai | 0:5b88d5760320 | 25 | |
kenjiArai | 0:5b88d5760320 | 26 | TCPServer::~TCPServer() |
kenjiArai | 0:5b88d5760320 | 27 | { |
kenjiArai | 0:5b88d5760320 | 28 | } |
kenjiArai | 0:5b88d5760320 | 29 | |
kenjiArai | 0:5b88d5760320 | 30 | nsapi_error_t TCPServer::accept(TCPSocket *connection, SocketAddress *address) |
kenjiArai | 0:5b88d5760320 | 31 | { |
kenjiArai | 0:5b88d5760320 | 32 | _lock.lock(); |
kenjiArai | 0:5b88d5760320 | 33 | nsapi_error_t ret; |
kenjiArai | 0:5b88d5760320 | 34 | |
kenjiArai | 0:5b88d5760320 | 35 | while (true) { |
kenjiArai | 0:5b88d5760320 | 36 | if (!_socket) { |
kenjiArai | 0:5b88d5760320 | 37 | ret = NSAPI_ERROR_NO_SOCKET; |
kenjiArai | 0:5b88d5760320 | 38 | break; |
kenjiArai | 0:5b88d5760320 | 39 | } |
kenjiArai | 0:5b88d5760320 | 40 | |
kenjiArai | 0:5b88d5760320 | 41 | core_util_atomic_flag_clear(&_pending); |
kenjiArai | 0:5b88d5760320 | 42 | void *socket; |
kenjiArai | 0:5b88d5760320 | 43 | ret = _stack->socket_accept(_socket, &socket, address); |
kenjiArai | 0:5b88d5760320 | 44 | |
kenjiArai | 0:5b88d5760320 | 45 | if (0 == ret) { |
kenjiArai | 0:5b88d5760320 | 46 | connection->_lock.lock(); |
kenjiArai | 0:5b88d5760320 | 47 | |
kenjiArai | 0:5b88d5760320 | 48 | if (connection->_socket) { |
kenjiArai | 0:5b88d5760320 | 49 | connection->close(); |
kenjiArai | 0:5b88d5760320 | 50 | } |
kenjiArai | 0:5b88d5760320 | 51 | |
kenjiArai | 0:5b88d5760320 | 52 | connection->_stack = _stack; |
kenjiArai | 0:5b88d5760320 | 53 | connection->_socket = socket; |
kenjiArai | 0:5b88d5760320 | 54 | connection->_event = Callback<void()>(connection, &TCPSocket::event); |
kenjiArai | 0:5b88d5760320 | 55 | _stack->socket_attach(socket, &Callback<void()>::thunk, &connection->_event); |
kenjiArai | 0:5b88d5760320 | 56 | _socket_stats.stats_update_peer(connection, *address); |
kenjiArai | 0:5b88d5760320 | 57 | _socket_stats.stats_update_socket_state(connection, SOCK_CONNECTED); |
kenjiArai | 0:5b88d5760320 | 58 | connection->_lock.unlock(); |
kenjiArai | 0:5b88d5760320 | 59 | break; |
kenjiArai | 0:5b88d5760320 | 60 | } else if ((_timeout == 0) || (ret != NSAPI_ERROR_WOULD_BLOCK)) { |
kenjiArai | 0:5b88d5760320 | 61 | break; |
kenjiArai | 0:5b88d5760320 | 62 | } else { |
kenjiArai | 0:5b88d5760320 | 63 | uint32_t flag; |
kenjiArai | 0:5b88d5760320 | 64 | |
kenjiArai | 0:5b88d5760320 | 65 | // Release lock before blocking so other threads |
kenjiArai | 0:5b88d5760320 | 66 | // accessing this object aren't blocked |
kenjiArai | 0:5b88d5760320 | 67 | _lock.unlock(); |
kenjiArai | 0:5b88d5760320 | 68 | flag = _event_flag.wait_any(READ_FLAG, _timeout); |
kenjiArai | 0:5b88d5760320 | 69 | _lock.lock(); |
kenjiArai | 0:5b88d5760320 | 70 | |
kenjiArai | 0:5b88d5760320 | 71 | if (flag & osFlagsError) { |
kenjiArai | 0:5b88d5760320 | 72 | // Timeout break |
kenjiArai | 0:5b88d5760320 | 73 | ret = NSAPI_ERROR_WOULD_BLOCK; |
kenjiArai | 0:5b88d5760320 | 74 | break; |
kenjiArai | 0:5b88d5760320 | 75 | } |
kenjiArai | 0:5b88d5760320 | 76 | } |
kenjiArai | 0:5b88d5760320 | 77 | } |
kenjiArai | 0:5b88d5760320 | 78 | |
kenjiArai | 0:5b88d5760320 | 79 | _lock.unlock(); |
kenjiArai | 0:5b88d5760320 | 80 | return ret; |
kenjiArai | 0:5b88d5760320 | 81 | } |