pefect / NetworkSocketAPI

ap

Dependencies:   DnsQuery

Dependents:   WizFi310_TCP_Echo_Server_Example

Fork of NetworkSocketAPI by NetworkSocketAPI

Socket.cpp@108:2e5eccf30a84, 2016-04-20 (annotated)

Committer:
geky
Date:
Wed Apr 20 00:46:23 2016 +0000
Revision:
108:2e5eccf30a84
Parent:
105:2fd212f8da61
Child:
109:5d8bd5752386
Fixe race condition in socket close

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Christopher Haster 89:b1d417383c0d 1 /* Socket
Christopher Haster 89:b1d417383c0d 2 * Copyright (c) 2015 ARM Limited
Christopher Haster 89:b1d417383c0d 3 *
Christopher Haster 89:b1d417383c0d 4 * Licensed under the Apache License, Version 2.0 (the "License");
Christopher Haster 89:b1d417383c0d 5 * you may not use this file except in compliance with the License.
Christopher Haster 89:b1d417383c0d 6 * You may obtain a copy of the License at
Christopher Haster 89:b1d417383c0d 7 *
Christopher Haster 89:b1d417383c0d 8 * http://www.apache.org/licenses/LICENSE-2.0
Christopher Haster 89:b1d417383c0d 9 *
Christopher Haster 89:b1d417383c0d 10 * Unless required by applicable law or agreed to in writing, software
Christopher Haster 89:b1d417383c0d 11 * distributed under the License is distributed on an "AS IS" BASIS,
Christopher Haster 89:b1d417383c0d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Christopher Haster 89:b1d417383c0d 13 * See the License for the specific language governing permissions and
Christopher Haster 89:b1d417383c0d 14 * limitations under the License.
Christopher Haster 89:b1d417383c0d 15 */
Christopher Haster 89:b1d417383c0d 16
Christopher Haster 89:b1d417383c0d 17 #include "Socket.h"
Christopher Haster 89:b1d417383c0d 18
Christopher Haster 90:0a988e4abb72 19 Socket::Socket()
Christopher Haster 90:0a988e4abb72 20 : _iface(0)
Christopher Haster 90:0a988e4abb72 21 , _socket(0)
Christopher Haster 89:b1d417383c0d 22 , _blocking(true)
Christopher Haster 89:b1d417383c0d 23 , _timeout(0)
Christopher Haster 89:b1d417383c0d 24 {
Christopher Haster 89:b1d417383c0d 25 }
Christopher Haster 89:b1d417383c0d 26
Christopher Haster 89:b1d417383c0d 27 Socket::~Socket()
Christopher Haster 89:b1d417383c0d 28 {
Christopher Haster 89:b1d417383c0d 29 if (_socket) {
Christopher Haster 91:cad29ce6a01c 30 close();
Christopher Haster 89:b1d417383c0d 31 }
Christopher Haster 89:b1d417383c0d 32 }
Christopher Haster 89:b1d417383c0d 33
Christopher Haster 105:2fd212f8da61 34 int Socket::open(NetworkStack *iface, nsapi_protocol_t proto)
Christopher Haster 90:0a988e4abb72 35 {
Christopher Haster 90:0a988e4abb72 36 _iface = iface;
Christopher Haster 93:65a9f84862f0 37
Christopher Haster 93:65a9f84862f0 38 void *socket;
Christopher Haster 93:65a9f84862f0 39 int err = _iface->socket_open(&socket, proto);
Christopher Haster 93:65a9f84862f0 40 if (err) {
Christopher Haster 93:65a9f84862f0 41 return err;
Christopher Haster 93:65a9f84862f0 42 }
Christopher Haster 93:65a9f84862f0 43
Christopher Haster 93:65a9f84862f0 44 _socket = socket;
Christopher Haster 92:dd5f19874adf 45 _iface->socket_attach(_socket, &Socket::thunk, this);
Christopher Haster 93:65a9f84862f0 46
Christopher Haster 93:65a9f84862f0 47 return 0;
Christopher Haster 90:0a988e4abb72 48 }
Christopher Haster 90:0a988e4abb72 49
Christopher Haster 91:cad29ce6a01c 50 int Socket::close()
Christopher Haster 90:0a988e4abb72 51 {
Christopher Haster 90:0a988e4abb72 52 if (!_socket) {
Christopher Haster 90:0a988e4abb72 53 return 0;
Christopher Haster 90:0a988e4abb72 54 }
geky 108:2e5eccf30a84 55
geky 108:2e5eccf30a84 56 _iface->socket_attach(_socket, 0, 0);
geky 108:2e5eccf30a84 57
geky 108:2e5eccf30a84 58 void *volatile socket = _socket;
Christopher Haster 93:65a9f84862f0 59 _socket = 0;
Christopher Haster 93:65a9f84862f0 60 return _iface->socket_close(socket);
Christopher Haster 90:0a988e4abb72 61 }
Christopher Haster 90:0a988e4abb72 62
Christopher Haster 98:0f614f1d0398 63 int Socket::bind(uint16_t port)
Christopher Haster 98:0f614f1d0398 64 {
Christopher Haster 98:0f614f1d0398 65 SocketAddress addr(0, port);
Christopher Haster 98:0f614f1d0398 66 return bind(addr);
Christopher Haster 98:0f614f1d0398 67 }
Christopher Haster 98:0f614f1d0398 68
Christopher Haster 98:0f614f1d0398 69 int Socket::bind(const char *address, uint16_t port)
Christopher Haster 98:0f614f1d0398 70 {
Christopher Haster 98:0f614f1d0398 71 SocketAddress addr(address, port);
Christopher Haster 98:0f614f1d0398 72 return bind(addr);
Christopher Haster 98:0f614f1d0398 73 }
Christopher Haster 98:0f614f1d0398 74
Christopher Haster 98:0f614f1d0398 75 int Socket::bind(const SocketAddress &address)
Christopher Haster 98:0f614f1d0398 76 {
Christopher Haster 98:0f614f1d0398 77 if (!_socket) {
Christopher Haster 98:0f614f1d0398 78 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 98:0f614f1d0398 79 }
Christopher Haster 98:0f614f1d0398 80
Christopher Haster 98:0f614f1d0398 81 return _iface->socket_bind(_socket, address);
Christopher Haster 98:0f614f1d0398 82 }
Christopher Haster 98:0f614f1d0398 83
Christopher Haster 89:b1d417383c0d 84 void Socket::set_blocking(bool blocking)
Christopher Haster 89:b1d417383c0d 85 {
Christopher Haster 89:b1d417383c0d 86 _blocking = blocking;
Christopher Haster 89:b1d417383c0d 87 }
Christopher Haster 89:b1d417383c0d 88
Christopher Haster 89:b1d417383c0d 89 void Socket::set_timeout(unsigned timeout)
Christopher Haster 89:b1d417383c0d 90 {
Christopher Haster 89:b1d417383c0d 91 _timeout = timeout;
Christopher Haster 89:b1d417383c0d 92 }
Christopher Haster 89:b1d417383c0d 93
Christopher Haster 99:f51358e506c1 94 int Socket::setsockopt(int level, int optname, const void *optval, unsigned optlen)
Christopher Haster 89:b1d417383c0d 95 {
Christopher Haster 89:b1d417383c0d 96 if (!_socket) {
Christopher Haster 89:b1d417383c0d 97 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 89:b1d417383c0d 98 }
Christopher Haster 89:b1d417383c0d 99
Christopher Haster 99:f51358e506c1 100 return _iface->setsockopt(_socket, level, optname, optval, optlen);
Christopher Haster 89:b1d417383c0d 101 }
Christopher Haster 89:b1d417383c0d 102
Christopher Haster 99:f51358e506c1 103 int Socket::getsockopt(int level, int optname, void *optval, unsigned *optlen)
Christopher Haster 89:b1d417383c0d 104 {
Christopher Haster 89:b1d417383c0d 105 if (!_socket) {
Christopher Haster 89:b1d417383c0d 106 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 89:b1d417383c0d 107 }
Christopher Haster 89:b1d417383c0d 108
Christopher Haster 99:f51358e506c1 109 return _iface->getsockopt(_socket, level, optname, optval, optlen);
Christopher Haster 99:f51358e506c1 110
Christopher Haster 89:b1d417383c0d 111 }
Christopher Haster 89:b1d417383c0d 112
Christopher Haster 92:dd5f19874adf 113 void Socket::thunk(void *data)
Christopher Haster 89:b1d417383c0d 114 {
Christopher Haster 92:dd5f19874adf 115 Socket *self = (Socket *)data;
Christopher Haster 92:dd5f19874adf 116 if (self->_callback) {
Christopher Haster 92:dd5f19874adf 117 self->_callback();
Christopher Haster 92:dd5f19874adf 118 }
Christopher Haster 89:b1d417383c0d 119 }
Christopher Haster 92:dd5f19874adf 120
Christopher Haster 92:dd5f19874adf 121 void Socket::attach(FunctionPointer callback)
Christopher Haster 92:dd5f19874adf 122 {
Christopher Haster 92:dd5f19874adf 123 _callback = callback;
Christopher Haster 92:dd5f19874adf 124 }