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Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

features/netsocket/NetworkStack.cpp@0:098463de4c5d, 2017-01-25 (annotated)

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 /* Socket
group-onsemi 0:098463de4c5d 2 * Copyright (c) 2015 ARM Limited
group-onsemi 0:098463de4c5d 3 *
group-onsemi 0:098463de4c5d 4 * Licensed under the Apache License, Version 2.0 (the "License");
group-onsemi 0:098463de4c5d 5 * you may not use this file except in compliance with the License.
group-onsemi 0:098463de4c5d 6 * You may obtain a copy of the License at
group-onsemi 0:098463de4c5d 7 *
group-onsemi 0:098463de4c5d 8 * http://www.apache.org/licenses/LICENSE-2.0
group-onsemi 0:098463de4c5d 9 *
group-onsemi 0:098463de4c5d 10 * Unless required by applicable law or agreed to in writing, software
group-onsemi 0:098463de4c5d 11 * distributed under the License is distributed on an "AS IS" BASIS,
group-onsemi 0:098463de4c5d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
group-onsemi 0:098463de4c5d 13 * See the License for the specific language governing permissions and
group-onsemi 0:098463de4c5d 14 * limitations under the License.
group-onsemi 0:098463de4c5d 15 */
group-onsemi 0:098463de4c5d 16
group-onsemi 0:098463de4c5d 17 #include "NetworkStack.h"
group-onsemi 0:098463de4c5d 18 #include "nsapi_dns.h"
group-onsemi 0:098463de4c5d 19 #include "mbed.h"
group-onsemi 0:098463de4c5d 20 #include "stddef.h"
group-onsemi 0:098463de4c5d 21 #include <new>
group-onsemi 0:098463de4c5d 22
group-onsemi 0:098463de4c5d 23
group-onsemi 0:098463de4c5d 24 // Default NetworkStack operations
group-onsemi 0:098463de4c5d 25 nsapi_error_t NetworkStack::gethostbyname(const char *name, SocketAddress *address, nsapi_version_t version)
group-onsemi 0:098463de4c5d 26 {
group-onsemi 0:098463de4c5d 27 // check for simple ip addresses
group-onsemi 0:098463de4c5d 28 if (address->set_ip_address(name)) {
group-onsemi 0:098463de4c5d 29 if (version != NSAPI_UNSPEC && address->get_ip_version() != version) {
group-onsemi 0:098463de4c5d 30 return NSAPI_ERROR_DNS_FAILURE;
group-onsemi 0:098463de4c5d 31 }
group-onsemi 0:098463de4c5d 32
group-onsemi 0:098463de4c5d 33 return NSAPI_ERROR_OK;
group-onsemi 0:098463de4c5d 34 }
group-onsemi 0:098463de4c5d 35
group-onsemi 0:098463de4c5d 36 // if the version is unspecified, try to guess the version from the
group-onsemi 0:098463de4c5d 37 // ip address of the underlying stack
group-onsemi 0:098463de4c5d 38 if (version == NSAPI_UNSPEC) {
group-onsemi 0:098463de4c5d 39 SocketAddress testaddress;
group-onsemi 0:098463de4c5d 40 if (testaddress.set_ip_address(this->get_ip_address())) {
group-onsemi 0:098463de4c5d 41 version = testaddress.get_ip_version();
group-onsemi 0:098463de4c5d 42 }
group-onsemi 0:098463de4c5d 43 }
group-onsemi 0:098463de4c5d 44
group-onsemi 0:098463de4c5d 45 return nsapi_dns_query(this, name, address, version);
group-onsemi 0:098463de4c5d 46 }
group-onsemi 0:098463de4c5d 47
group-onsemi 0:098463de4c5d 48 nsapi_error_t NetworkStack::add_dns_server(const SocketAddress &address)
group-onsemi 0:098463de4c5d 49 {
group-onsemi 0:098463de4c5d 50 return nsapi_dns_add_server(address);
group-onsemi 0:098463de4c5d 51 }
group-onsemi 0:098463de4c5d 52
group-onsemi 0:098463de4c5d 53 nsapi_error_t NetworkStack::setstackopt(int level, int optname, const void *optval, unsigned optlen)
group-onsemi 0:098463de4c5d 54 {
group-onsemi 0:098463de4c5d 55 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 56 }
group-onsemi 0:098463de4c5d 57
group-onsemi 0:098463de4c5d 58 nsapi_error_t NetworkStack::getstackopt(int level, int optname, void *optval, unsigned *optlen)
group-onsemi 0:098463de4c5d 59 {
group-onsemi 0:098463de4c5d 60 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 61 }
group-onsemi 0:098463de4c5d 62
group-onsemi 0:098463de4c5d 63 nsapi_error_t NetworkStack::setsockopt(void *handle, int level, int optname, const void *optval, unsigned optlen)
group-onsemi 0:098463de4c5d 64 {
group-onsemi 0:098463de4c5d 65 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 66 }
group-onsemi 0:098463de4c5d 67
group-onsemi 0:098463de4c5d 68 nsapi_error_t NetworkStack::getsockopt(void *handle, int level, int optname, void *optval, unsigned *optlen)
group-onsemi 0:098463de4c5d 69 {
group-onsemi 0:098463de4c5d 70 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 71 }
group-onsemi 0:098463de4c5d 72
group-onsemi 0:098463de4c5d 73
group-onsemi 0:098463de4c5d 74 // NetworkStackWrapper class for encapsulating the raw nsapi_stack structure
group-onsemi 0:098463de4c5d 75 class NetworkStackWrapper : public NetworkStack
group-onsemi 0:098463de4c5d 76 {
group-onsemi 0:098463de4c5d 77 private:
group-onsemi 0:098463de4c5d 78 inline nsapi_stack_t *_stack()
group-onsemi 0:098463de4c5d 79 {
group-onsemi 0:098463de4c5d 80 return reinterpret_cast<nsapi_stack_t *>(
group-onsemi 0:098463de4c5d 81 reinterpret_cast<uint8_t *>(this)
group-onsemi 0:098463de4c5d 82 - offsetof(nsapi_stack_t, _stack_buffer));
group-onsemi 0:098463de4c5d 83 }
group-onsemi 0:098463de4c5d 84
group-onsemi 0:098463de4c5d 85 inline const nsapi_stack_api_t *_stack_api()
group-onsemi 0:098463de4c5d 86 {
group-onsemi 0:098463de4c5d 87 return _stack()->stack_api;
group-onsemi 0:098463de4c5d 88 }
group-onsemi 0:098463de4c5d 89
group-onsemi 0:098463de4c5d 90 public:
group-onsemi 0:098463de4c5d 91 virtual const char *get_ip_address()
group-onsemi 0:098463de4c5d 92 {
group-onsemi 0:098463de4c5d 93 if (!_stack_api()->get_ip_address) {
group-onsemi 0:098463de4c5d 94 return 0;
group-onsemi 0:098463de4c5d 95 }
group-onsemi 0:098463de4c5d 96
group-onsemi 0:098463de4c5d 97 static uint8_t buffer[sizeof(SocketAddress)];
group-onsemi 0:098463de4c5d 98 SocketAddress *address = new (buffer) SocketAddress(_stack_api()->get_ip_address(_stack()));
group-onsemi 0:098463de4c5d 99 return address->get_ip_address();
group-onsemi 0:098463de4c5d 100 }
group-onsemi 0:098463de4c5d 101
group-onsemi 0:098463de4c5d 102 virtual nsapi_error_t gethostbyname(const char *name, SocketAddress *address, nsapi_version_t version)
group-onsemi 0:098463de4c5d 103 {
group-onsemi 0:098463de4c5d 104 if (!_stack_api()->gethostbyname) {
group-onsemi 0:098463de4c5d 105 return NetworkStack::gethostbyname(name, address, version);
group-onsemi 0:098463de4c5d 106 }
group-onsemi 0:098463de4c5d 107
group-onsemi 0:098463de4c5d 108 nsapi_addr_t addr = {NSAPI_UNSPEC, 0};
group-onsemi 0:098463de4c5d 109 nsapi_error_t err = _stack_api()->gethostbyname(_stack(), name, &addr, version);
group-onsemi 0:098463de4c5d 110 address->set_addr(addr);
group-onsemi 0:098463de4c5d 111 return err;
group-onsemi 0:098463de4c5d 112 }
group-onsemi 0:098463de4c5d 113
group-onsemi 0:098463de4c5d 114 virtual nsapi_error_t add_dns_server(const SocketAddress &address)
group-onsemi 0:098463de4c5d 115 {
group-onsemi 0:098463de4c5d 116 if (!_stack_api()->add_dns_server) {
group-onsemi 0:098463de4c5d 117 return NetworkStack::add_dns_server(address);
group-onsemi 0:098463de4c5d 118 }
group-onsemi 0:098463de4c5d 119
group-onsemi 0:098463de4c5d 120 return _stack_api()->add_dns_server(_stack(), address.get_addr());
group-onsemi 0:098463de4c5d 121 }
group-onsemi 0:098463de4c5d 122
group-onsemi 0:098463de4c5d 123 virtual nsapi_error_t setstackopt(int level, int optname, const void *optval, unsigned optlen)
group-onsemi 0:098463de4c5d 124 {
group-onsemi 0:098463de4c5d 125 if (!_stack_api()->setstackopt) {
group-onsemi 0:098463de4c5d 126 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 127 }
group-onsemi 0:098463de4c5d 128
group-onsemi 0:098463de4c5d 129 return _stack_api()->setstackopt(_stack(), level, optname, optval, optlen);
group-onsemi 0:098463de4c5d 130 }
group-onsemi 0:098463de4c5d 131
group-onsemi 0:098463de4c5d 132 virtual nsapi_error_t getstackopt(int level, int optname, void *optval, unsigned *optlen)
group-onsemi 0:098463de4c5d 133 {
group-onsemi 0:098463de4c5d 134 if (!_stack_api()->getstackopt) {
group-onsemi 0:098463de4c5d 135 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 136 }
group-onsemi 0:098463de4c5d 137
group-onsemi 0:098463de4c5d 138 return _stack_api()->getstackopt(_stack(), level, optname, optval, optlen);
group-onsemi 0:098463de4c5d 139 }
group-onsemi 0:098463de4c5d 140
group-onsemi 0:098463de4c5d 141 protected:
group-onsemi 0:098463de4c5d 142 virtual nsapi_error_t socket_open(nsapi_socket_t *socket, nsapi_protocol_t proto)
group-onsemi 0:098463de4c5d 143 {
group-onsemi 0:098463de4c5d 144 if (!_stack_api()->socket_open) {
group-onsemi 0:098463de4c5d 145 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 146 }
group-onsemi 0:098463de4c5d 147
group-onsemi 0:098463de4c5d 148 return _stack_api()->socket_open(_stack(), socket, proto);
group-onsemi 0:098463de4c5d 149 }
group-onsemi 0:098463de4c5d 150
group-onsemi 0:098463de4c5d 151 virtual nsapi_error_t socket_close(nsapi_socket_t socket)
group-onsemi 0:098463de4c5d 152 {
group-onsemi 0:098463de4c5d 153 if (!_stack_api()->socket_close) {
group-onsemi 0:098463de4c5d 154 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 155 }
group-onsemi 0:098463de4c5d 156
group-onsemi 0:098463de4c5d 157 return _stack_api()->socket_close(_stack(), socket);
group-onsemi 0:098463de4c5d 158 }
group-onsemi 0:098463de4c5d 159
group-onsemi 0:098463de4c5d 160 virtual nsapi_error_t socket_bind(nsapi_socket_t socket, const SocketAddress &address)
group-onsemi 0:098463de4c5d 161 {
group-onsemi 0:098463de4c5d 162 if (!_stack_api()->socket_bind) {
group-onsemi 0:098463de4c5d 163 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 164 }
group-onsemi 0:098463de4c5d 165
group-onsemi 0:098463de4c5d 166 return _stack_api()->socket_bind(_stack(), socket, address.get_addr(), address.get_port());
group-onsemi 0:098463de4c5d 167 }
group-onsemi 0:098463de4c5d 168
group-onsemi 0:098463de4c5d 169 virtual nsapi_error_t socket_listen(nsapi_socket_t socket, int backlog)
group-onsemi 0:098463de4c5d 170 {
group-onsemi 0:098463de4c5d 171 if (!_stack_api()->socket_listen) {
group-onsemi 0:098463de4c5d 172 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 173 }
group-onsemi 0:098463de4c5d 174
group-onsemi 0:098463de4c5d 175 return _stack_api()->socket_listen(_stack(), socket, backlog);
group-onsemi 0:098463de4c5d 176 }
group-onsemi 0:098463de4c5d 177
group-onsemi 0:098463de4c5d 178 virtual nsapi_error_t socket_connect(nsapi_socket_t socket, const SocketAddress &address)
group-onsemi 0:098463de4c5d 179 {
group-onsemi 0:098463de4c5d 180 if (!_stack_api()->socket_connect) {
group-onsemi 0:098463de4c5d 181 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 182 }
group-onsemi 0:098463de4c5d 183
group-onsemi 0:098463de4c5d 184 return _stack_api()->socket_connect(_stack(), socket, address.get_addr(), address.get_port());
group-onsemi 0:098463de4c5d 185 }
group-onsemi 0:098463de4c5d 186
group-onsemi 0:098463de4c5d 187 virtual nsapi_error_t socket_accept(nsapi_socket_t server, nsapi_socket_t *socket, SocketAddress *address)
group-onsemi 0:098463de4c5d 188 {
group-onsemi 0:098463de4c5d 189 if (!_stack_api()->socket_accept) {
group-onsemi 0:098463de4c5d 190 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 191 }
group-onsemi 0:098463de4c5d 192
group-onsemi 0:098463de4c5d 193 nsapi_addr_t addr = {NSAPI_IPv4, 0};
group-onsemi 0:098463de4c5d 194 uint16_t port = 0;
group-onsemi 0:098463de4c5d 195
group-onsemi 0:098463de4c5d 196 nsapi_error_t err = _stack_api()->socket_accept(_stack(), server, socket, &addr, &port);
group-onsemi 0:098463de4c5d 197
group-onsemi 0:098463de4c5d 198 if (address) {
group-onsemi 0:098463de4c5d 199 address->set_addr(addr);
group-onsemi 0:098463de4c5d 200 address->set_port(port);
group-onsemi 0:098463de4c5d 201 }
group-onsemi 0:098463de4c5d 202
group-onsemi 0:098463de4c5d 203 return err;
group-onsemi 0:098463de4c5d 204 }
group-onsemi 0:098463de4c5d 205
group-onsemi 0:098463de4c5d 206 virtual nsapi_size_or_error_t socket_send(nsapi_socket_t socket, const void *data, nsapi_size_t size)
group-onsemi 0:098463de4c5d 207 {
group-onsemi 0:098463de4c5d 208 if (!_stack_api()->socket_send) {
group-onsemi 0:098463de4c5d 209 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 210 }
group-onsemi 0:098463de4c5d 211
group-onsemi 0:098463de4c5d 212 return _stack_api()->socket_send(_stack(), socket, data, size);
group-onsemi 0:098463de4c5d 213 }
group-onsemi 0:098463de4c5d 214
group-onsemi 0:098463de4c5d 215 virtual nsapi_size_or_error_t socket_recv(nsapi_socket_t socket, void *data, nsapi_size_t size)
group-onsemi 0:098463de4c5d 216 {
group-onsemi 0:098463de4c5d 217 if (!_stack_api()->socket_recv) {
group-onsemi 0:098463de4c5d 218 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 219 }
group-onsemi 0:098463de4c5d 220
group-onsemi 0:098463de4c5d 221 return _stack_api()->socket_recv(_stack(), socket, data, size);
group-onsemi 0:098463de4c5d 222 }
group-onsemi 0:098463de4c5d 223
group-onsemi 0:098463de4c5d 224 virtual nsapi_size_or_error_t socket_sendto(nsapi_socket_t socket, const SocketAddress &address, const void *data, nsapi_size_t size)
group-onsemi 0:098463de4c5d 225 {
group-onsemi 0:098463de4c5d 226 if (!_stack_api()->socket_sendto) {
group-onsemi 0:098463de4c5d 227 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 228 }
group-onsemi 0:098463de4c5d 229
group-onsemi 0:098463de4c5d 230 return _stack_api()->socket_sendto(_stack(), socket, address.get_addr(), address.get_port(), data, size);
group-onsemi 0:098463de4c5d 231 }
group-onsemi 0:098463de4c5d 232
group-onsemi 0:098463de4c5d 233 virtual nsapi_size_or_error_t socket_recvfrom(nsapi_socket_t socket, SocketAddress *address, void *data, nsapi_size_t size)
group-onsemi 0:098463de4c5d 234 {
group-onsemi 0:098463de4c5d 235 if (!_stack_api()->socket_recvfrom) {
group-onsemi 0:098463de4c5d 236 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 237 }
group-onsemi 0:098463de4c5d 238
group-onsemi 0:098463de4c5d 239 nsapi_addr_t addr = {NSAPI_IPv4, 0};
group-onsemi 0:098463de4c5d 240 uint16_t port = 0;
group-onsemi 0:098463de4c5d 241
group-onsemi 0:098463de4c5d 242 nsapi_size_or_error_t err = _stack_api()->socket_recvfrom(_stack(), socket, &addr, &port, data, size);
group-onsemi 0:098463de4c5d 243
group-onsemi 0:098463de4c5d 244 if (address) {
group-onsemi 0:098463de4c5d 245 address->set_addr(addr);
group-onsemi 0:098463de4c5d 246 address->set_port(port);
group-onsemi 0:098463de4c5d 247 }
group-onsemi 0:098463de4c5d 248
group-onsemi 0:098463de4c5d 249 return err;
group-onsemi 0:098463de4c5d 250 }
group-onsemi 0:098463de4c5d 251
group-onsemi 0:098463de4c5d 252 virtual void socket_attach(nsapi_socket_t socket, void (*callback)(void *), void *data)
group-onsemi 0:098463de4c5d 253 {
group-onsemi 0:098463de4c5d 254 if (!_stack_api()->socket_attach) {
group-onsemi 0:098463de4c5d 255 return;
group-onsemi 0:098463de4c5d 256 }
group-onsemi 0:098463de4c5d 257
group-onsemi 0:098463de4c5d 258 return _stack_api()->socket_attach(_stack(), socket, callback, data);
group-onsemi 0:098463de4c5d 259 }
group-onsemi 0:098463de4c5d 260
group-onsemi 0:098463de4c5d 261 virtual nsapi_error_t setsockopt(nsapi_socket_t socket, int level, int optname, const void *optval, unsigned optlen)
group-onsemi 0:098463de4c5d 262 {
group-onsemi 0:098463de4c5d 263 if (!_stack_api()->setsockopt) {
group-onsemi 0:098463de4c5d 264 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 265 }
group-onsemi 0:098463de4c5d 266
group-onsemi 0:098463de4c5d 267 return _stack_api()->setsockopt(_stack(), socket, level, optname, optval, optlen);
group-onsemi 0:098463de4c5d 268 }
group-onsemi 0:098463de4c5d 269
group-onsemi 0:098463de4c5d 270 virtual nsapi_error_t getsockopt(nsapi_socket_t socket, int level, int optname, void *optval, unsigned *optlen)
group-onsemi 0:098463de4c5d 271 {
group-onsemi 0:098463de4c5d 272 if (!_stack_api()->getsockopt) {
group-onsemi 0:098463de4c5d 273 return NSAPI_ERROR_UNSUPPORTED;
group-onsemi 0:098463de4c5d 274 }
group-onsemi 0:098463de4c5d 275
group-onsemi 0:098463de4c5d 276 return _stack_api()->getsockopt(_stack(), socket, level, optname, optval, optlen);
group-onsemi 0:098463de4c5d 277 }
group-onsemi 0:098463de4c5d 278 };
group-onsemi 0:098463de4c5d 279
group-onsemi 0:098463de4c5d 280
group-onsemi 0:098463de4c5d 281 // Conversion function for network stacks
group-onsemi 0:098463de4c5d 282 NetworkStack *nsapi_create_stack(nsapi_stack_t *stack)
group-onsemi 0:098463de4c5d 283 {
group-onsemi 0:098463de4c5d 284 MBED_STATIC_ASSERT(sizeof stack->_stack_buffer >= sizeof(NetworkStackWrapper),
group-onsemi 0:098463de4c5d 285 "The nsapi_stack_t stack buffer must fit a NetworkStackWrapper");
group-onsemi 0:098463de4c5d 286 return new (stack->_stack_buffer) NetworkStackWrapper;
group-onsemi 0:098463de4c5d 287 }
group-onsemi 0:098463de4c5d 288
group-onsemi 0:098463de4c5d 289 NetworkStack *nsapi_create_stack(NetworkStack *stack)
group-onsemi 0:098463de4c5d 290 {
group-onsemi 0:098463de4c5d 291 return stack;
group-onsemi 0:098463de4c5d 292 }
group-onsemi 0:098463de4c5d 293