mbed-os5 only for TYBLE16
Dependents: TYBLE16_simple_data_logger TYBLE16_MP3_Air
features/netsocket/InternetSocket.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 | /* InternetSocket |
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 "InternetSocket.h" |
kenjiArai | 0:5b88d5760320 | 18 | #include "platform/mbed_critical.h" |
kenjiArai | 0:5b88d5760320 | 19 | #include "platform/Callback.h" |
kenjiArai | 0:5b88d5760320 | 20 | |
kenjiArai | 0:5b88d5760320 | 21 | using namespace mbed; |
kenjiArai | 0:5b88d5760320 | 22 | |
kenjiArai | 0:5b88d5760320 | 23 | InternetSocket::InternetSocket() |
kenjiArai | 0:5b88d5760320 | 24 | : _stack(0), _socket(0), _timeout(osWaitForever), |
kenjiArai | 0:5b88d5760320 | 25 | _remote_peer(), |
kenjiArai | 0:5b88d5760320 | 26 | _readers(0), _writers(0), |
kenjiArai | 0:5b88d5760320 | 27 | _factory_allocated(false) |
kenjiArai | 0:5b88d5760320 | 28 | { |
kenjiArai | 0:5b88d5760320 | 29 | core_util_atomic_flag_clear(&_pending); |
kenjiArai | 0:5b88d5760320 | 30 | _socket_stats.stats_new_socket_entry(this); |
kenjiArai | 0:5b88d5760320 | 31 | } |
kenjiArai | 0:5b88d5760320 | 32 | |
kenjiArai | 0:5b88d5760320 | 33 | InternetSocket::~InternetSocket() |
kenjiArai | 0:5b88d5760320 | 34 | { |
kenjiArai | 0:5b88d5760320 | 35 | close(); |
kenjiArai | 0:5b88d5760320 | 36 | } |
kenjiArai | 0:5b88d5760320 | 37 | |
kenjiArai | 0:5b88d5760320 | 38 | nsapi_error_t InternetSocket::open(NetworkStack *stack) |
kenjiArai | 0:5b88d5760320 | 39 | { |
kenjiArai | 0:5b88d5760320 | 40 | _lock.lock(); |
kenjiArai | 0:5b88d5760320 | 41 | |
kenjiArai | 0:5b88d5760320 | 42 | if (_stack != NULL || stack == NULL) { |
kenjiArai | 0:5b88d5760320 | 43 | _lock.unlock(); |
kenjiArai | 0:5b88d5760320 | 44 | return NSAPI_ERROR_PARAMETER; |
kenjiArai | 0:5b88d5760320 | 45 | } |
kenjiArai | 0:5b88d5760320 | 46 | _stack = stack; |
kenjiArai | 0:5b88d5760320 | 47 | |
kenjiArai | 0:5b88d5760320 | 48 | nsapi_socket_t socket; |
kenjiArai | 0:5b88d5760320 | 49 | nsapi_error_t err = _stack->socket_open(&socket, get_proto()); |
kenjiArai | 0:5b88d5760320 | 50 | if (err) { |
kenjiArai | 0:5b88d5760320 | 51 | _lock.unlock(); |
kenjiArai | 0:5b88d5760320 | 52 | return err; |
kenjiArai | 0:5b88d5760320 | 53 | } |
kenjiArai | 0:5b88d5760320 | 54 | |
kenjiArai | 0:5b88d5760320 | 55 | _socket_stats.stats_update_socket_state(this, SOCK_OPEN); |
kenjiArai | 0:5b88d5760320 | 56 | _socket = socket; |
kenjiArai | 0:5b88d5760320 | 57 | _event = callback(this, &InternetSocket::event); |
kenjiArai | 0:5b88d5760320 | 58 | _stack->socket_attach(_socket, Callback<void()>::thunk, &_event); |
kenjiArai | 0:5b88d5760320 | 59 | _interface_name[0] = '\0'; |
kenjiArai | 0:5b88d5760320 | 60 | _lock.unlock(); |
kenjiArai | 0:5b88d5760320 | 61 | return NSAPI_ERROR_OK; |
kenjiArai | 0:5b88d5760320 | 62 | } |
kenjiArai | 0:5b88d5760320 | 63 | |
kenjiArai | 0:5b88d5760320 | 64 | nsapi_error_t InternetSocket::close() |
kenjiArai | 0:5b88d5760320 | 65 | { |
kenjiArai | 0:5b88d5760320 | 66 | _lock.lock(); |
kenjiArai | 0:5b88d5760320 | 67 | |
kenjiArai | 0:5b88d5760320 | 68 | nsapi_error_t ret = NSAPI_ERROR_OK; |
kenjiArai | 0:5b88d5760320 | 69 | if (!_socket) { |
kenjiArai | 0:5b88d5760320 | 70 | _lock.unlock(); |
kenjiArai | 0:5b88d5760320 | 71 | return NSAPI_ERROR_NO_SOCKET; |
kenjiArai | 0:5b88d5760320 | 72 | } |
kenjiArai | 0:5b88d5760320 | 73 | |
kenjiArai | 0:5b88d5760320 | 74 | // Just in case - tell the stack not to callback any more, then remove this socket. |
kenjiArai | 0:5b88d5760320 | 75 | _stack->socket_attach(_socket, 0, 0); |
kenjiArai | 0:5b88d5760320 | 76 | nsapi_socket_t socket = _socket; |
kenjiArai | 0:5b88d5760320 | 77 | _socket = 0; |
kenjiArai | 0:5b88d5760320 | 78 | ret = _stack->socket_close(socket); |
kenjiArai | 0:5b88d5760320 | 79 | _stack = 0; // Invalidate the stack pointer - otherwise open() fails. |
kenjiArai | 0:5b88d5760320 | 80 | _socket_stats.stats_update_socket_state(this, SOCK_CLOSED); |
kenjiArai | 0:5b88d5760320 | 81 | // Wakeup anything in a blocking operation |
kenjiArai | 0:5b88d5760320 | 82 | // on this socket |
kenjiArai | 0:5b88d5760320 | 83 | event(); |
kenjiArai | 0:5b88d5760320 | 84 | |
kenjiArai | 0:5b88d5760320 | 85 | // Wait until all readers and writers are gone |
kenjiArai | 0:5b88d5760320 | 86 | while (_readers || _writers) { |
kenjiArai | 0:5b88d5760320 | 87 | _lock.unlock(); |
kenjiArai | 0:5b88d5760320 | 88 | _event_flag.wait_any(FINISHED_FLAG, osWaitForever); |
kenjiArai | 0:5b88d5760320 | 89 | _lock.lock(); |
kenjiArai | 0:5b88d5760320 | 90 | } |
kenjiArai | 0:5b88d5760320 | 91 | _interface_name[0] = '\0'; |
kenjiArai | 0:5b88d5760320 | 92 | _lock.unlock(); |
kenjiArai | 0:5b88d5760320 | 93 | |
kenjiArai | 0:5b88d5760320 | 94 | // When allocated by accept() call, will destroy itself on close(); |
kenjiArai | 0:5b88d5760320 | 95 | if (_factory_allocated) { |
kenjiArai | 0:5b88d5760320 | 96 | delete this; |
kenjiArai | 0:5b88d5760320 | 97 | } |
kenjiArai | 0:5b88d5760320 | 98 | return ret; |
kenjiArai | 0:5b88d5760320 | 99 | } |
kenjiArai | 0:5b88d5760320 | 100 | |
kenjiArai | 0:5b88d5760320 | 101 | int InternetSocket::modify_multicast_group(const SocketAddress &address, nsapi_socket_option_t socketopt) |
kenjiArai | 0:5b88d5760320 | 102 | { |
kenjiArai | 0:5b88d5760320 | 103 | nsapi_ip_mreq_t mreq; |
kenjiArai | 0:5b88d5760320 | 104 | |
kenjiArai | 0:5b88d5760320 | 105 | // Set up group address |
kenjiArai | 0:5b88d5760320 | 106 | mreq.imr_multiaddr = address.get_addr(); |
kenjiArai | 0:5b88d5760320 | 107 | mreq.imr_interface = nsapi_addr_t(); // Default address, NSAPI_UNSPEC |
kenjiArai | 0:5b88d5760320 | 108 | |
kenjiArai | 0:5b88d5760320 | 109 | return this->setsockopt(NSAPI_SOCKET, socketopt, &mreq, sizeof(mreq)); |
kenjiArai | 0:5b88d5760320 | 110 | } |
kenjiArai | 0:5b88d5760320 | 111 | |
kenjiArai | 0:5b88d5760320 | 112 | int InternetSocket::join_multicast_group(const SocketAddress &address) |
kenjiArai | 0:5b88d5760320 | 113 | { |
kenjiArai | 0:5b88d5760320 | 114 | return modify_multicast_group(address, NSAPI_ADD_MEMBERSHIP); |
kenjiArai | 0:5b88d5760320 | 115 | } |
kenjiArai | 0:5b88d5760320 | 116 | |
kenjiArai | 0:5b88d5760320 | 117 | int InternetSocket::leave_multicast_group(const SocketAddress &address) |
kenjiArai | 0:5b88d5760320 | 118 | { |
kenjiArai | 0:5b88d5760320 | 119 | return modify_multicast_group(address, NSAPI_DROP_MEMBERSHIP); |
kenjiArai | 0:5b88d5760320 | 120 | } |
kenjiArai | 0:5b88d5760320 | 121 | |
kenjiArai | 0:5b88d5760320 | 122 | |
kenjiArai | 0:5b88d5760320 | 123 | nsapi_error_t InternetSocket::bind(uint16_t port) |
kenjiArai | 0:5b88d5760320 | 124 | { |
kenjiArai | 0:5b88d5760320 | 125 | // Underlying bind is thread safe |
kenjiArai | 0:5b88d5760320 | 126 | SocketAddress addr(0, port); |
kenjiArai | 0:5b88d5760320 | 127 | return bind(addr); |
kenjiArai | 0:5b88d5760320 | 128 | } |
kenjiArai | 0:5b88d5760320 | 129 | |
kenjiArai | 0:5b88d5760320 | 130 | nsapi_error_t InternetSocket::bind(const char *address, uint16_t port) |
kenjiArai | 0:5b88d5760320 | 131 | { |
kenjiArai | 0:5b88d5760320 | 132 | // Underlying bind is thread safe |
kenjiArai | 0:5b88d5760320 | 133 | SocketAddress addr(address, port); |
kenjiArai | 0:5b88d5760320 | 134 | return bind(addr); |
kenjiArai | 0:5b88d5760320 | 135 | } |
kenjiArai | 0:5b88d5760320 | 136 | |
kenjiArai | 0:5b88d5760320 | 137 | nsapi_error_t InternetSocket::bind(const SocketAddress &address) |
kenjiArai | 0:5b88d5760320 | 138 | { |
kenjiArai | 0:5b88d5760320 | 139 | _lock.lock(); |
kenjiArai | 0:5b88d5760320 | 140 | nsapi_error_t ret; |
kenjiArai | 0:5b88d5760320 | 141 | |
kenjiArai | 0:5b88d5760320 | 142 | if (!_socket) { |
kenjiArai | 0:5b88d5760320 | 143 | ret = NSAPI_ERROR_NO_SOCKET; |
kenjiArai | 0:5b88d5760320 | 144 | } else { |
kenjiArai | 0:5b88d5760320 | 145 | ret = _stack->socket_bind(_socket, address); |
kenjiArai | 0:5b88d5760320 | 146 | } |
kenjiArai | 0:5b88d5760320 | 147 | |
kenjiArai | 0:5b88d5760320 | 148 | _lock.unlock(); |
kenjiArai | 0:5b88d5760320 | 149 | return ret; |
kenjiArai | 0:5b88d5760320 | 150 | } |
kenjiArai | 0:5b88d5760320 | 151 | |
kenjiArai | 0:5b88d5760320 | 152 | void InternetSocket::set_blocking(bool blocking) |
kenjiArai | 0:5b88d5760320 | 153 | { |
kenjiArai | 0:5b88d5760320 | 154 | // InternetSocket::set_timeout is thread safe |
kenjiArai | 0:5b88d5760320 | 155 | set_timeout(blocking ? -1 : 0); |
kenjiArai | 0:5b88d5760320 | 156 | } |
kenjiArai | 0:5b88d5760320 | 157 | |
kenjiArai | 0:5b88d5760320 | 158 | void InternetSocket::set_timeout(int timeout) |
kenjiArai | 0:5b88d5760320 | 159 | { |
kenjiArai | 0:5b88d5760320 | 160 | _lock.lock(); |
kenjiArai | 0:5b88d5760320 | 161 | |
kenjiArai | 0:5b88d5760320 | 162 | if (timeout >= 0) { |
kenjiArai | 0:5b88d5760320 | 163 | _timeout = (uint32_t)timeout; |
kenjiArai | 0:5b88d5760320 | 164 | } else { |
kenjiArai | 0:5b88d5760320 | 165 | _timeout = osWaitForever; |
kenjiArai | 0:5b88d5760320 | 166 | } |
kenjiArai | 0:5b88d5760320 | 167 | |
kenjiArai | 0:5b88d5760320 | 168 | _lock.unlock(); |
kenjiArai | 0:5b88d5760320 | 169 | } |
kenjiArai | 0:5b88d5760320 | 170 | |
kenjiArai | 0:5b88d5760320 | 171 | nsapi_error_t InternetSocket::setsockopt(int level, int optname, const void *optval, unsigned optlen) |
kenjiArai | 0:5b88d5760320 | 172 | { |
kenjiArai | 0:5b88d5760320 | 173 | _lock.lock(); |
kenjiArai | 0:5b88d5760320 | 174 | nsapi_error_t ret; |
kenjiArai | 0:5b88d5760320 | 175 | |
kenjiArai | 0:5b88d5760320 | 176 | if (!_socket) { |
kenjiArai | 0:5b88d5760320 | 177 | ret = NSAPI_ERROR_NO_SOCKET; |
kenjiArai | 0:5b88d5760320 | 178 | } else { |
kenjiArai | 0:5b88d5760320 | 179 | ret = _stack->setsockopt(_socket, level, optname, optval, optlen); |
kenjiArai | 0:5b88d5760320 | 180 | if (optname == NSAPI_BIND_TO_DEVICE && level == NSAPI_SOCKET) { |
kenjiArai | 0:5b88d5760320 | 181 | strncpy(_interface_name, static_cast<const char *>(optval), optlen); |
kenjiArai | 0:5b88d5760320 | 182 | } |
kenjiArai | 0:5b88d5760320 | 183 | } |
kenjiArai | 0:5b88d5760320 | 184 | |
kenjiArai | 0:5b88d5760320 | 185 | _lock.unlock(); |
kenjiArai | 0:5b88d5760320 | 186 | return ret; |
kenjiArai | 0:5b88d5760320 | 187 | } |
kenjiArai | 0:5b88d5760320 | 188 | |
kenjiArai | 0:5b88d5760320 | 189 | nsapi_error_t InternetSocket::getsockopt(int level, int optname, void *optval, unsigned *optlen) |
kenjiArai | 0:5b88d5760320 | 190 | { |
kenjiArai | 0:5b88d5760320 | 191 | _lock.lock(); |
kenjiArai | 0:5b88d5760320 | 192 | nsapi_error_t ret; |
kenjiArai | 0:5b88d5760320 | 193 | |
kenjiArai | 0:5b88d5760320 | 194 | if (!_socket) { |
kenjiArai | 0:5b88d5760320 | 195 | ret = NSAPI_ERROR_NO_SOCKET; |
kenjiArai | 0:5b88d5760320 | 196 | } else { |
kenjiArai | 0:5b88d5760320 | 197 | ret = _stack->getsockopt(_socket, level, optname, optval, optlen); |
kenjiArai | 0:5b88d5760320 | 198 | } |
kenjiArai | 0:5b88d5760320 | 199 | |
kenjiArai | 0:5b88d5760320 | 200 | _lock.unlock(); |
kenjiArai | 0:5b88d5760320 | 201 | return ret; |
kenjiArai | 0:5b88d5760320 | 202 | |
kenjiArai | 0:5b88d5760320 | 203 | } |
kenjiArai | 0:5b88d5760320 | 204 | void InternetSocket::event() |
kenjiArai | 0:5b88d5760320 | 205 | { |
kenjiArai | 0:5b88d5760320 | 206 | _event_flag.set(READ_FLAG | WRITE_FLAG); |
kenjiArai | 0:5b88d5760320 | 207 | |
kenjiArai | 0:5b88d5760320 | 208 | if (_callback && !core_util_atomic_flag_test_and_set(&_pending)) { |
kenjiArai | 0:5b88d5760320 | 209 | _callback(); |
kenjiArai | 0:5b88d5760320 | 210 | } |
kenjiArai | 0:5b88d5760320 | 211 | } |
kenjiArai | 0:5b88d5760320 | 212 | |
kenjiArai | 0:5b88d5760320 | 213 | void InternetSocket::sigio(Callback<void()> callback) |
kenjiArai | 0:5b88d5760320 | 214 | { |
kenjiArai | 0:5b88d5760320 | 215 | core_util_critical_section_enter(); |
kenjiArai | 0:5b88d5760320 | 216 | _callback = callback; |
kenjiArai | 0:5b88d5760320 | 217 | core_util_critical_section_exit(); |
kenjiArai | 0:5b88d5760320 | 218 | } |
kenjiArai | 0:5b88d5760320 | 219 | |
kenjiArai | 0:5b88d5760320 | 220 | void InternetSocket::attach(Callback<void()> callback) |
kenjiArai | 0:5b88d5760320 | 221 | { |
kenjiArai | 0:5b88d5760320 | 222 | sigio(callback); |
kenjiArai | 0:5b88d5760320 | 223 | } |
kenjiArai | 0:5b88d5760320 | 224 | |
kenjiArai | 0:5b88d5760320 | 225 | nsapi_error_t InternetSocket::getpeername(SocketAddress *address) |
kenjiArai | 0:5b88d5760320 | 226 | { |
kenjiArai | 0:5b88d5760320 | 227 | if (!_socket) { |
kenjiArai | 0:5b88d5760320 | 228 | return NSAPI_ERROR_NO_SOCKET; |
kenjiArai | 0:5b88d5760320 | 229 | } |
kenjiArai | 0:5b88d5760320 | 230 | if (!_remote_peer) { |
kenjiArai | 0:5b88d5760320 | 231 | return NSAPI_ERROR_NO_CONNECTION; |
kenjiArai | 0:5b88d5760320 | 232 | } |
kenjiArai | 0:5b88d5760320 | 233 | *address = _remote_peer; |
kenjiArai | 0:5b88d5760320 | 234 | return NSAPI_ERROR_OK; |
kenjiArai | 0:5b88d5760320 | 235 | } |