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Dependencies: MAX44000 PWM_Tone_Library nexpaq_mdk
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Socket.cpp
00001 /* Socket 00002 * Copyright (c) 2015 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #include "Socket.h" 00018 #include "mbed.h" 00019 00020 Socket::Socket() 00021 : _stack(0) 00022 , _socket(0) 00023 , _timeout(osWaitForever) 00024 { 00025 } 00026 00027 int Socket::open(NetworkStack *stack) 00028 { 00029 _lock.lock(); 00030 00031 if (_stack != NULL || stack == NULL) { 00032 _lock.unlock(); 00033 return NSAPI_ERROR_PARAMETER; 00034 } 00035 _stack = stack; 00036 00037 nsapi_socket_t socket; 00038 int err = _stack->socket_open(&socket, get_proto()); 00039 if (err) { 00040 _lock.unlock(); 00041 return err; 00042 } 00043 00044 _socket = socket; 00045 _event.attach(this, &Socket::event); 00046 _stack->socket_attach(_socket, Callback<void()>::thunk, &_event); 00047 00048 _lock.unlock(); 00049 return 0; 00050 } 00051 00052 int Socket::close() 00053 { 00054 _lock.lock(); 00055 00056 int ret = 0; 00057 if (_socket) { 00058 _stack->socket_attach(_socket, 0, 0); 00059 nsapi_socket_t socket = _socket; 00060 _socket = 0; 00061 ret = _stack->socket_close(socket); 00062 } 00063 00064 // Wakeup anything in a blocking operation 00065 // on this socket 00066 event(); 00067 00068 _lock.unlock(); 00069 return ret; 00070 } 00071 00072 int Socket::bind(uint16_t port) 00073 { 00074 // Underlying bind is thread safe 00075 SocketAddress addr(0, port); 00076 return bind(addr); 00077 } 00078 00079 int Socket::bind(const char *address, uint16_t port) 00080 { 00081 // Underlying bind is thread safe 00082 SocketAddress addr(address, port); 00083 return bind(addr); 00084 } 00085 00086 int Socket::bind(const SocketAddress &address) 00087 { 00088 _lock.lock(); 00089 int ret; 00090 00091 if (!_socket) { 00092 ret = NSAPI_ERROR_NO_SOCKET; 00093 } else { 00094 ret = _stack->socket_bind(_socket, address); 00095 } 00096 00097 _lock.unlock(); 00098 return ret; 00099 } 00100 00101 void Socket::set_blocking(bool blocking) 00102 { 00103 // Socket::set_timeout is thread safe 00104 set_timeout(blocking ? -1 : 0); 00105 } 00106 00107 void Socket::set_timeout(int timeout) 00108 { 00109 _lock.lock(); 00110 00111 if (timeout >= 0) { 00112 _timeout = (uint32_t)timeout; 00113 } else { 00114 _timeout = osWaitForever; 00115 } 00116 00117 _lock.unlock(); 00118 } 00119 00120 int Socket::setsockopt(int level, int optname, const void *optval, unsigned optlen) 00121 { 00122 _lock.lock(); 00123 int ret; 00124 00125 if (!_socket) { 00126 ret = NSAPI_ERROR_NO_SOCKET; 00127 } else { 00128 ret = _stack->setsockopt(_socket, level, optname, optval, optlen); 00129 } 00130 00131 _lock.unlock(); 00132 return ret; 00133 } 00134 00135 int Socket::getsockopt(int level, int optname, void *optval, unsigned *optlen) 00136 { 00137 _lock.lock(); 00138 int ret; 00139 00140 if (!_socket) { 00141 ret = NSAPI_ERROR_NO_SOCKET; 00142 } else { 00143 ret = _stack->getsockopt(_socket, level, optname, optval, optlen); 00144 } 00145 00146 _lock.unlock(); 00147 return ret; 00148 00149 } 00150 00151 void Socket::attach(Callback<void()> callback) 00152 { 00153 _lock.lock(); 00154 00155 _callback = callback; 00156 00157 _lock.unlock(); 00158 }
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