Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/features/netsocket/Socket.cpp@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
marcozecchini 0:9fca2b23d0ba 1 /* Socket
marcozecchini 0:9fca2b23d0ba 2 * Copyright (c) 2015 ARM Limited
marcozecchini 0:9fca2b23d0ba 3 *
marcozecchini 0:9fca2b23d0ba 4 * Licensed under the Apache License, Version 2.0 (the "License");
marcozecchini 0:9fca2b23d0ba 5 * you may not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 6 * You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 7 *
marcozecchini 0:9fca2b23d0ba 8 * http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 9 *
marcozecchini 0:9fca2b23d0ba 10 * Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 11 * distributed under the License is distributed on an "AS IS" BASIS,
marcozecchini 0:9fca2b23d0ba 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 13 * See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 14 * limitations under the License.
marcozecchini 0:9fca2b23d0ba 15 */
marcozecchini 0:9fca2b23d0ba 16
marcozecchini 0:9fca2b23d0ba 17 #include "Socket.h"
marcozecchini 0:9fca2b23d0ba 18 #include "mbed.h"
marcozecchini 0:9fca2b23d0ba 19
marcozecchini 0:9fca2b23d0ba 20 Socket::Socket()
marcozecchini 0:9fca2b23d0ba 21 : _stack(0)
marcozecchini 0:9fca2b23d0ba 22 , _socket(0)
marcozecchini 0:9fca2b23d0ba 23 , _timeout(osWaitForever)
marcozecchini 0:9fca2b23d0ba 24 {
marcozecchini 0:9fca2b23d0ba 25 }
marcozecchini 0:9fca2b23d0ba 26
marcozecchini 0:9fca2b23d0ba 27 nsapi_error_t Socket::open(NetworkStack *stack)
marcozecchini 0:9fca2b23d0ba 28 {
marcozecchini 0:9fca2b23d0ba 29 _lock.lock();
marcozecchini 0:9fca2b23d0ba 30
marcozecchini 0:9fca2b23d0ba 31 if (_stack != NULL || stack == NULL) {
marcozecchini 0:9fca2b23d0ba 32 _lock.unlock();
marcozecchini 0:9fca2b23d0ba 33 return NSAPI_ERROR_PARAMETER;
marcozecchini 0:9fca2b23d0ba 34 }
marcozecchini 0:9fca2b23d0ba 35 _stack = stack;
marcozecchini 0:9fca2b23d0ba 36
marcozecchini 0:9fca2b23d0ba 37 nsapi_socket_t socket;
marcozecchini 0:9fca2b23d0ba 38 nsapi_error_t err = _stack->socket_open(&socket, get_proto());
marcozecchini 0:9fca2b23d0ba 39 if (err) {
marcozecchini 0:9fca2b23d0ba 40 _lock.unlock();
marcozecchini 0:9fca2b23d0ba 41 return err;
marcozecchini 0:9fca2b23d0ba 42 }
marcozecchini 0:9fca2b23d0ba 43
marcozecchini 0:9fca2b23d0ba 44 _socket = socket;
marcozecchini 0:9fca2b23d0ba 45 _event = callback(this, &Socket::event);
marcozecchini 0:9fca2b23d0ba 46 _stack->socket_attach(_socket, Callback<void()>::thunk, &_event);
marcozecchini 0:9fca2b23d0ba 47
marcozecchini 0:9fca2b23d0ba 48 _lock.unlock();
marcozecchini 0:9fca2b23d0ba 49 return NSAPI_ERROR_OK;
marcozecchini 0:9fca2b23d0ba 50 }
marcozecchini 0:9fca2b23d0ba 51
marcozecchini 0:9fca2b23d0ba 52 nsapi_error_t Socket::close()
marcozecchini 0:9fca2b23d0ba 53 {
marcozecchini 0:9fca2b23d0ba 54 _lock.lock();
marcozecchini 0:9fca2b23d0ba 55
marcozecchini 0:9fca2b23d0ba 56 nsapi_error_t ret = NSAPI_ERROR_OK;
marcozecchini 0:9fca2b23d0ba 57 if (_socket) {
marcozecchini 0:9fca2b23d0ba 58 _stack->socket_attach(_socket, 0, 0);
marcozecchini 0:9fca2b23d0ba 59 nsapi_socket_t socket = _socket;
marcozecchini 0:9fca2b23d0ba 60 _socket = 0;
marcozecchini 0:9fca2b23d0ba 61 ret = _stack->socket_close(socket);
marcozecchini 0:9fca2b23d0ba 62 }
marcozecchini 0:9fca2b23d0ba 63 _stack = 0;
marcozecchini 0:9fca2b23d0ba 64
marcozecchini 0:9fca2b23d0ba 65 // Wakeup anything in a blocking operation
marcozecchini 0:9fca2b23d0ba 66 // on this socket
marcozecchini 0:9fca2b23d0ba 67 event();
marcozecchini 0:9fca2b23d0ba 68
marcozecchini 0:9fca2b23d0ba 69 _lock.unlock();
marcozecchini 0:9fca2b23d0ba 70 return ret;
marcozecchini 0:9fca2b23d0ba 71 }
marcozecchini 0:9fca2b23d0ba 72
marcozecchini 0:9fca2b23d0ba 73 int Socket::modify_multicast_group(const SocketAddress &address, nsapi_socket_option_t socketopt)
marcozecchini 0:9fca2b23d0ba 74 {
marcozecchini 0:9fca2b23d0ba 75 nsapi_ip_mreq_t mreq;
marcozecchini 0:9fca2b23d0ba 76
marcozecchini 0:9fca2b23d0ba 77 // Set up group address
marcozecchini 0:9fca2b23d0ba 78 mreq.imr_multiaddr = address.get_addr();
marcozecchini 0:9fca2b23d0ba 79 mreq.imr_interface = nsapi_addr_t(); // Default address, NSAPI_UNSPEC
marcozecchini 0:9fca2b23d0ba 80
marcozecchini 0:9fca2b23d0ba 81 return this->setsockopt(NSAPI_SOCKET, socketopt, &mreq, sizeof(mreq));
marcozecchini 0:9fca2b23d0ba 82 }
marcozecchini 0:9fca2b23d0ba 83
marcozecchini 0:9fca2b23d0ba 84 int Socket::join_multicast_group(const SocketAddress &address)
marcozecchini 0:9fca2b23d0ba 85 {
marcozecchini 0:9fca2b23d0ba 86 return modify_multicast_group(address, NSAPI_ADD_MEMBERSHIP);
marcozecchini 0:9fca2b23d0ba 87 }
marcozecchini 0:9fca2b23d0ba 88
marcozecchini 0:9fca2b23d0ba 89 int Socket::leave_multicast_group(const SocketAddress &address)
marcozecchini 0:9fca2b23d0ba 90 {
marcozecchini 0:9fca2b23d0ba 91 return modify_multicast_group(address, NSAPI_DROP_MEMBERSHIP);
marcozecchini 0:9fca2b23d0ba 92 }
marcozecchini 0:9fca2b23d0ba 93
marcozecchini 0:9fca2b23d0ba 94
marcozecchini 0:9fca2b23d0ba 95 nsapi_error_t Socket::bind(uint16_t port)
marcozecchini 0:9fca2b23d0ba 96 {
marcozecchini 0:9fca2b23d0ba 97 // Underlying bind is thread safe
marcozecchini 0:9fca2b23d0ba 98 SocketAddress addr(0, port);
marcozecchini 0:9fca2b23d0ba 99 return bind(addr);
marcozecchini 0:9fca2b23d0ba 100 }
marcozecchini 0:9fca2b23d0ba 101
marcozecchini 0:9fca2b23d0ba 102 nsapi_error_t Socket::bind(const char *address, uint16_t port)
marcozecchini 0:9fca2b23d0ba 103 {
marcozecchini 0:9fca2b23d0ba 104 // Underlying bind is thread safe
marcozecchini 0:9fca2b23d0ba 105 SocketAddress addr(address, port);
marcozecchini 0:9fca2b23d0ba 106 return bind(addr);
marcozecchini 0:9fca2b23d0ba 107 }
marcozecchini 0:9fca2b23d0ba 108
marcozecchini 0:9fca2b23d0ba 109 nsapi_error_t Socket::bind(const SocketAddress &address)
marcozecchini 0:9fca2b23d0ba 110 {
marcozecchini 0:9fca2b23d0ba 111 _lock.lock();
marcozecchini 0:9fca2b23d0ba 112 nsapi_error_t ret;
marcozecchini 0:9fca2b23d0ba 113
marcozecchini 0:9fca2b23d0ba 114 if (!_socket) {
marcozecchini 0:9fca2b23d0ba 115 ret = NSAPI_ERROR_NO_SOCKET;
marcozecchini 0:9fca2b23d0ba 116 } else {
marcozecchini 0:9fca2b23d0ba 117 ret = _stack->socket_bind(_socket, address);
marcozecchini 0:9fca2b23d0ba 118 }
marcozecchini 0:9fca2b23d0ba 119
marcozecchini 0:9fca2b23d0ba 120 _lock.unlock();
marcozecchini 0:9fca2b23d0ba 121 return ret;
marcozecchini 0:9fca2b23d0ba 122 }
marcozecchini 0:9fca2b23d0ba 123
marcozecchini 0:9fca2b23d0ba 124 void Socket::set_blocking(bool blocking)
marcozecchini 0:9fca2b23d0ba 125 {
marcozecchini 0:9fca2b23d0ba 126 // Socket::set_timeout is thread safe
marcozecchini 0:9fca2b23d0ba 127 set_timeout(blocking ? -1 : 0);
marcozecchini 0:9fca2b23d0ba 128 }
marcozecchini 0:9fca2b23d0ba 129
marcozecchini 0:9fca2b23d0ba 130 void Socket::set_timeout(int timeout)
marcozecchini 0:9fca2b23d0ba 131 {
marcozecchini 0:9fca2b23d0ba 132 _lock.lock();
marcozecchini 0:9fca2b23d0ba 133
marcozecchini 0:9fca2b23d0ba 134 if (timeout >= 0) {
marcozecchini 0:9fca2b23d0ba 135 _timeout = (uint32_t)timeout;
marcozecchini 0:9fca2b23d0ba 136 } else {
marcozecchini 0:9fca2b23d0ba 137 _timeout = osWaitForever;
marcozecchini 0:9fca2b23d0ba 138 }
marcozecchini 0:9fca2b23d0ba 139
marcozecchini 0:9fca2b23d0ba 140 _lock.unlock();
marcozecchini 0:9fca2b23d0ba 141 }
marcozecchini 0:9fca2b23d0ba 142
marcozecchini 0:9fca2b23d0ba 143 nsapi_error_t Socket::setsockopt(int level, int optname, const void *optval, unsigned optlen)
marcozecchini 0:9fca2b23d0ba 144 {
marcozecchini 0:9fca2b23d0ba 145 _lock.lock();
marcozecchini 0:9fca2b23d0ba 146 nsapi_error_t ret;
marcozecchini 0:9fca2b23d0ba 147
marcozecchini 0:9fca2b23d0ba 148 if (!_socket) {
marcozecchini 0:9fca2b23d0ba 149 ret = NSAPI_ERROR_NO_SOCKET;
marcozecchini 0:9fca2b23d0ba 150 } else {
marcozecchini 0:9fca2b23d0ba 151 ret = _stack->setsockopt(_socket, level, optname, optval, optlen);
marcozecchini 0:9fca2b23d0ba 152 }
marcozecchini 0:9fca2b23d0ba 153
marcozecchini 0:9fca2b23d0ba 154 _lock.unlock();
marcozecchini 0:9fca2b23d0ba 155 return ret;
marcozecchini 0:9fca2b23d0ba 156 }
marcozecchini 0:9fca2b23d0ba 157
marcozecchini 0:9fca2b23d0ba 158 nsapi_error_t Socket::getsockopt(int level, int optname, void *optval, unsigned *optlen)
marcozecchini 0:9fca2b23d0ba 159 {
marcozecchini 0:9fca2b23d0ba 160 _lock.lock();
marcozecchini 0:9fca2b23d0ba 161 nsapi_error_t ret;
marcozecchini 0:9fca2b23d0ba 162
marcozecchini 0:9fca2b23d0ba 163 if (!_socket) {
marcozecchini 0:9fca2b23d0ba 164 ret = NSAPI_ERROR_NO_SOCKET;
marcozecchini 0:9fca2b23d0ba 165 } else {
marcozecchini 0:9fca2b23d0ba 166 ret = _stack->getsockopt(_socket, level, optname, optval, optlen);
marcozecchini 0:9fca2b23d0ba 167 }
marcozecchini 0:9fca2b23d0ba 168
marcozecchini 0:9fca2b23d0ba 169 _lock.unlock();
marcozecchini 0:9fca2b23d0ba 170 return ret;
marcozecchini 0:9fca2b23d0ba 171
marcozecchini 0:9fca2b23d0ba 172 }
marcozecchini 0:9fca2b23d0ba 173
marcozecchini 0:9fca2b23d0ba 174 void Socket::sigio(Callback<void()> callback)
marcozecchini 0:9fca2b23d0ba 175 {
marcozecchini 0:9fca2b23d0ba 176 _lock.lock();
marcozecchini 0:9fca2b23d0ba 177 _callback = callback;
marcozecchini 0:9fca2b23d0ba 178 _lock.unlock();
marcozecchini 0:9fca2b23d0ba 179 }
marcozecchini 0:9fca2b23d0ba 180
marcozecchini 0:9fca2b23d0ba 181 void Socket::attach(Callback<void()> callback)
marcozecchini 0:9fca2b23d0ba 182 {
marcozecchini 0:9fca2b23d0ba 183 sigio(callback);
marcozecchini 0:9fca2b23d0ba 184 }