takashi kadono
/
Nucleo_446
Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
mbed-os/features/netsocket/NetworkStack.h@3:f3764f852aa8, 2018-10-11 (annotated)
- Committer:
- kadonotakashi
- Date:
- Thu Oct 11 02:27:46 2018 +0000
- Revision:
- 3:f3764f852aa8
- Parent:
- 0:8fdf9a60065b
Nucreo 446 + SSD1331 test version;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kadonotakashi | 0:8fdf9a60065b | 1 | |
kadonotakashi | 0:8fdf9a60065b | 2 | /* NetworkStack |
kadonotakashi | 0:8fdf9a60065b | 3 | * Copyright (c) 2015 ARM Limited |
kadonotakashi | 0:8fdf9a60065b | 4 | * |
kadonotakashi | 0:8fdf9a60065b | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
kadonotakashi | 0:8fdf9a60065b | 6 | * you may not use this file except in compliance with the License. |
kadonotakashi | 0:8fdf9a60065b | 7 | * You may obtain a copy of the License at |
kadonotakashi | 0:8fdf9a60065b | 8 | * |
kadonotakashi | 0:8fdf9a60065b | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
kadonotakashi | 0:8fdf9a60065b | 10 | * |
kadonotakashi | 0:8fdf9a60065b | 11 | * Unless required by applicable law or agreed to in writing, software |
kadonotakashi | 0:8fdf9a60065b | 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
kadonotakashi | 0:8fdf9a60065b | 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
kadonotakashi | 0:8fdf9a60065b | 14 | * See the License for the specific language governing permissions and |
kadonotakashi | 0:8fdf9a60065b | 15 | * limitations under the License. |
kadonotakashi | 0:8fdf9a60065b | 16 | */ |
kadonotakashi | 0:8fdf9a60065b | 17 | |
kadonotakashi | 0:8fdf9a60065b | 18 | #ifndef NETWORK_STACK_H |
kadonotakashi | 0:8fdf9a60065b | 19 | #define NETWORK_STACK_H |
kadonotakashi | 0:8fdf9a60065b | 20 | |
kadonotakashi | 0:8fdf9a60065b | 21 | #include "nsapi_types.h" |
kadonotakashi | 0:8fdf9a60065b | 22 | #include "netsocket/SocketAddress.h" |
kadonotakashi | 0:8fdf9a60065b | 23 | #include "netsocket/NetworkInterface.h" |
kadonotakashi | 0:8fdf9a60065b | 24 | #include "DNS.h" |
kadonotakashi | 0:8fdf9a60065b | 25 | |
kadonotakashi | 0:8fdf9a60065b | 26 | // Predeclared classes |
kadonotakashi | 0:8fdf9a60065b | 27 | class OnboardNetworkStack; |
kadonotakashi | 0:8fdf9a60065b | 28 | |
kadonotakashi | 0:8fdf9a60065b | 29 | /** NetworkStack class |
kadonotakashi | 0:8fdf9a60065b | 30 | * |
kadonotakashi | 0:8fdf9a60065b | 31 | * Common interface that is shared between hardware that |
kadonotakashi | 0:8fdf9a60065b | 32 | * can connect to a network over IP. By implementing the |
kadonotakashi | 0:8fdf9a60065b | 33 | * NetworkStack, a network stack can be used as a target |
kadonotakashi | 0:8fdf9a60065b | 34 | * for instantiating network sockets. |
kadonotakashi | 0:8fdf9a60065b | 35 | * @addtogroup netsocket |
kadonotakashi | 0:8fdf9a60065b | 36 | */ |
kadonotakashi | 0:8fdf9a60065b | 37 | class NetworkStack: public DNS { |
kadonotakashi | 0:8fdf9a60065b | 38 | public: |
kadonotakashi | 0:8fdf9a60065b | 39 | virtual ~NetworkStack() {}; |
kadonotakashi | 0:8fdf9a60065b | 40 | |
kadonotakashi | 0:8fdf9a60065b | 41 | /** Get the local IP address |
kadonotakashi | 0:8fdf9a60065b | 42 | * |
kadonotakashi | 0:8fdf9a60065b | 43 | * @return Null-terminated representation of the local IP address |
kadonotakashi | 0:8fdf9a60065b | 44 | * or null if not yet connected |
kadonotakashi | 0:8fdf9a60065b | 45 | */ |
kadonotakashi | 0:8fdf9a60065b | 46 | virtual const char *get_ip_address(); |
kadonotakashi | 0:8fdf9a60065b | 47 | |
kadonotakashi | 0:8fdf9a60065b | 48 | /** Translates a hostname to an IP address with specific version |
kadonotakashi | 0:8fdf9a60065b | 49 | * |
kadonotakashi | 0:8fdf9a60065b | 50 | * The hostname may be either a domain name or an IP address. If the |
kadonotakashi | 0:8fdf9a60065b | 51 | * hostname is an IP address, no network transactions will be performed. |
kadonotakashi | 0:8fdf9a60065b | 52 | * |
kadonotakashi | 0:8fdf9a60065b | 53 | * If no stack-specific DNS resolution is provided, the hostname |
kadonotakashi | 0:8fdf9a60065b | 54 | * will be resolve using a UDP socket on the stack. |
kadonotakashi | 0:8fdf9a60065b | 55 | * |
kadonotakashi | 0:8fdf9a60065b | 56 | * @param host Hostname to resolve |
kadonotakashi | 0:8fdf9a60065b | 57 | * @param address Destination for the host SocketAddress |
kadonotakashi | 0:8fdf9a60065b | 58 | * @param version IP version of address to resolve, NSAPI_UNSPEC indicates |
kadonotakashi | 0:8fdf9a60065b | 59 | * version is chosen by the stack (defaults to NSAPI_UNSPEC) |
kadonotakashi | 0:8fdf9a60065b | 60 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 61 | */ |
kadonotakashi | 0:8fdf9a60065b | 62 | virtual nsapi_error_t gethostbyname(const char *host, |
kadonotakashi | 0:8fdf9a60065b | 63 | SocketAddress *address, nsapi_version_t version = NSAPI_UNSPEC); |
kadonotakashi | 0:8fdf9a60065b | 64 | |
kadonotakashi | 0:8fdf9a60065b | 65 | /** Hostname translation callback (asynchronous) |
kadonotakashi | 0:8fdf9a60065b | 66 | * |
kadonotakashi | 0:8fdf9a60065b | 67 | * Callback will be called after DNS resolution completes or a failure occurs. |
kadonotakashi | 0:8fdf9a60065b | 68 | * |
kadonotakashi | 0:8fdf9a60065b | 69 | * Callback should not take more than 10ms to execute, otherwise it might |
kadonotakashi | 0:8fdf9a60065b | 70 | * prevent underlying thread processing. A portable user of the callback |
kadonotakashi | 0:8fdf9a60065b | 71 | * should not make calls to network operations due to stack size limitations. |
kadonotakashi | 0:8fdf9a60065b | 72 | * The callback should not perform expensive operations such as socket recv/send |
kadonotakashi | 0:8fdf9a60065b | 73 | * calls or blocking operations. |
kadonotakashi | 0:8fdf9a60065b | 74 | * |
kadonotakashi | 0:8fdf9a60065b | 75 | * @param status 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 76 | * @param address On success, destination for the host SocketAddress |
kadonotakashi | 0:8fdf9a60065b | 77 | */ |
kadonotakashi | 0:8fdf9a60065b | 78 | typedef mbed::Callback<void (nsapi_error_t result, SocketAddress *address)> hostbyname_cb_t; |
kadonotakashi | 0:8fdf9a60065b | 79 | |
kadonotakashi | 0:8fdf9a60065b | 80 | /** Translates a hostname to an IP address (asynchronous) |
kadonotakashi | 0:8fdf9a60065b | 81 | * |
kadonotakashi | 0:8fdf9a60065b | 82 | * The hostname may be either a domain name or an IP address. If the |
kadonotakashi | 0:8fdf9a60065b | 83 | * hostname is an IP address, no network transactions will be performed. |
kadonotakashi | 0:8fdf9a60065b | 84 | * |
kadonotakashi | 0:8fdf9a60065b | 85 | * If no stack-specific DNS resolution is provided, the hostname |
kadonotakashi | 0:8fdf9a60065b | 86 | * will be resolve using a UDP socket on the stack. |
kadonotakashi | 0:8fdf9a60065b | 87 | * |
kadonotakashi | 0:8fdf9a60065b | 88 | * Call is non-blocking. Result of the DNS operation is returned by the callback. |
kadonotakashi | 0:8fdf9a60065b | 89 | * If this function returns failure, callback will not be called. In case result |
kadonotakashi | 0:8fdf9a60065b | 90 | * is success (IP address was found from DNS cache), callback will be called |
kadonotakashi | 0:8fdf9a60065b | 91 | * before function returns. |
kadonotakashi | 0:8fdf9a60065b | 92 | * |
kadonotakashi | 0:8fdf9a60065b | 93 | * @param host Hostname to resolve |
kadonotakashi | 0:8fdf9a60065b | 94 | * @param callback Callback that is called for result |
kadonotakashi | 0:8fdf9a60065b | 95 | * @param version IP version of address to resolve, NSAPI_UNSPEC indicates |
kadonotakashi | 0:8fdf9a60065b | 96 | * version is chosen by the stack (defaults to NSAPI_UNSPEC) |
kadonotakashi | 0:8fdf9a60065b | 97 | * @return 0 on immediate success, |
kadonotakashi | 0:8fdf9a60065b | 98 | * negative error code on immediate failure or |
kadonotakashi | 0:8fdf9a60065b | 99 | * a positive unique id that represents the hostname translation operation |
kadonotakashi | 0:8fdf9a60065b | 100 | * and can be passed to cancel |
kadonotakashi | 0:8fdf9a60065b | 101 | */ |
kadonotakashi | 0:8fdf9a60065b | 102 | virtual nsapi_value_or_error_t gethostbyname_async(const char *host, hostbyname_cb_t callback, |
kadonotakashi | 0:8fdf9a60065b | 103 | nsapi_version_t version = NSAPI_UNSPEC); |
kadonotakashi | 0:8fdf9a60065b | 104 | |
kadonotakashi | 0:8fdf9a60065b | 105 | /** Cancels asynchronous hostname translation |
kadonotakashi | 0:8fdf9a60065b | 106 | * |
kadonotakashi | 0:8fdf9a60065b | 107 | * When translation is cancelled, callback will not be called. |
kadonotakashi | 0:8fdf9a60065b | 108 | * |
kadonotakashi | 0:8fdf9a60065b | 109 | * @param id Unique id of the hostname translation operation |
kadonotakashi | 0:8fdf9a60065b | 110 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 111 | */ |
kadonotakashi | 0:8fdf9a60065b | 112 | virtual nsapi_error_t gethostbyname_async_cancel(int id); |
kadonotakashi | 0:8fdf9a60065b | 113 | |
kadonotakashi | 0:8fdf9a60065b | 114 | /** Add a domain name server to list of servers to query |
kadonotakashi | 0:8fdf9a60065b | 115 | * |
kadonotakashi | 0:8fdf9a60065b | 116 | * @param address Destination for the host address |
kadonotakashi | 0:8fdf9a60065b | 117 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 118 | */ |
kadonotakashi | 0:8fdf9a60065b | 119 | virtual nsapi_error_t add_dns_server(const SocketAddress &address); |
kadonotakashi | 0:8fdf9a60065b | 120 | |
kadonotakashi | 0:8fdf9a60065b | 121 | /** Get a domain name server from a list of servers to query |
kadonotakashi | 0:8fdf9a60065b | 122 | * |
kadonotakashi | 0:8fdf9a60065b | 123 | * Returns a DNS server address for a index. If returns error no more |
kadonotakashi | 0:8fdf9a60065b | 124 | * DNS servers to read. |
kadonotakashi | 0:8fdf9a60065b | 125 | * |
kadonotakashi | 0:8fdf9a60065b | 126 | * @param index Index of the DNS server, starts from zero |
kadonotakashi | 0:8fdf9a60065b | 127 | * @param address Destination for the host address |
kadonotakashi | 0:8fdf9a60065b | 128 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 129 | */ |
kadonotakashi | 0:8fdf9a60065b | 130 | virtual nsapi_error_t get_dns_server(int index, SocketAddress *address); |
kadonotakashi | 0:8fdf9a60065b | 131 | |
kadonotakashi | 0:8fdf9a60065b | 132 | /* Set stack options |
kadonotakashi | 0:8fdf9a60065b | 133 | * |
kadonotakashi | 0:8fdf9a60065b | 134 | * setstackopt allows an application to pass stack-specific options |
kadonotakashi | 0:8fdf9a60065b | 135 | * to the underlying stack using stack-specific level and option names, |
kadonotakashi | 0:8fdf9a60065b | 136 | * or to request generic options using levels from nsapi_stack_level_t. |
kadonotakashi | 0:8fdf9a60065b | 137 | * |
kadonotakashi | 0:8fdf9a60065b | 138 | * For unsupported options, NSAPI_ERROR_UNSUPPORTED is returned |
kadonotakashi | 0:8fdf9a60065b | 139 | * and the stack is unmodified. |
kadonotakashi | 0:8fdf9a60065b | 140 | * |
kadonotakashi | 0:8fdf9a60065b | 141 | * @param level Stack-specific protocol level or nsapi_stack_level_t |
kadonotakashi | 0:8fdf9a60065b | 142 | * @param optname Level-specific option name |
kadonotakashi | 0:8fdf9a60065b | 143 | * @param optval Option value |
kadonotakashi | 0:8fdf9a60065b | 144 | * @param optlen Length of the option value |
kadonotakashi | 0:8fdf9a60065b | 145 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 146 | */ |
kadonotakashi | 0:8fdf9a60065b | 147 | virtual nsapi_error_t setstackopt(int level, int optname, const void *optval, unsigned optlen); |
kadonotakashi | 0:8fdf9a60065b | 148 | |
kadonotakashi | 0:8fdf9a60065b | 149 | /* Get stack options |
kadonotakashi | 0:8fdf9a60065b | 150 | * |
kadonotakashi | 0:8fdf9a60065b | 151 | * getstackopt allows an application to retrieve stack-specific options |
kadonotakashi | 0:8fdf9a60065b | 152 | * to the underlying stack using stack-specific level and option names, |
kadonotakashi | 0:8fdf9a60065b | 153 | * or to request generic options using levels from nsapi_stack_level_t. |
kadonotakashi | 0:8fdf9a60065b | 154 | * |
kadonotakashi | 0:8fdf9a60065b | 155 | * @param level Stack-specific protocol level or nsapi_stack_level_t |
kadonotakashi | 0:8fdf9a60065b | 156 | * @param optname Level-specific option name |
kadonotakashi | 0:8fdf9a60065b | 157 | * @param optval Destination for option value |
kadonotakashi | 0:8fdf9a60065b | 158 | * @param optlen Length of the option value |
kadonotakashi | 0:8fdf9a60065b | 159 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 160 | */ |
kadonotakashi | 0:8fdf9a60065b | 161 | virtual nsapi_error_t getstackopt(int level, int optname, void *optval, unsigned *optlen); |
kadonotakashi | 0:8fdf9a60065b | 162 | |
kadonotakashi | 0:8fdf9a60065b | 163 | /** Dynamic downcast to a OnboardNetworkStack */ |
kadonotakashi | 0:8fdf9a60065b | 164 | virtual OnboardNetworkStack *onboardNetworkStack() |
kadonotakashi | 0:8fdf9a60065b | 165 | { |
kadonotakashi | 0:8fdf9a60065b | 166 | return 0; |
kadonotakashi | 0:8fdf9a60065b | 167 | } |
kadonotakashi | 0:8fdf9a60065b | 168 | |
kadonotakashi | 0:8fdf9a60065b | 169 | protected: |
kadonotakashi | 0:8fdf9a60065b | 170 | friend class InternetSocket; |
kadonotakashi | 0:8fdf9a60065b | 171 | friend class UDPSocket; |
kadonotakashi | 0:8fdf9a60065b | 172 | friend class TCPSocket; |
kadonotakashi | 0:8fdf9a60065b | 173 | friend class TCPServer; |
kadonotakashi | 0:8fdf9a60065b | 174 | |
kadonotakashi | 0:8fdf9a60065b | 175 | /** Opens a socket |
kadonotakashi | 0:8fdf9a60065b | 176 | * |
kadonotakashi | 0:8fdf9a60065b | 177 | * Creates a network socket and stores it in the specified handle. |
kadonotakashi | 0:8fdf9a60065b | 178 | * The handle must be passed to following calls on the socket. |
kadonotakashi | 0:8fdf9a60065b | 179 | * |
kadonotakashi | 0:8fdf9a60065b | 180 | * A stack may have a finite number of sockets, in this case |
kadonotakashi | 0:8fdf9a60065b | 181 | * NSAPI_ERROR_NO_SOCKET is returned if no socket is available. |
kadonotakashi | 0:8fdf9a60065b | 182 | * |
kadonotakashi | 0:8fdf9a60065b | 183 | * @param handle Destination for the handle to a newly created socket |
kadonotakashi | 0:8fdf9a60065b | 184 | * @param proto Protocol of socket to open, NSAPI_TCP or NSAPI_UDP |
kadonotakashi | 0:8fdf9a60065b | 185 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 186 | */ |
kadonotakashi | 0:8fdf9a60065b | 187 | virtual nsapi_error_t socket_open(nsapi_socket_t *handle, nsapi_protocol_t proto) = 0; |
kadonotakashi | 0:8fdf9a60065b | 188 | |
kadonotakashi | 0:8fdf9a60065b | 189 | /** Close the socket |
kadonotakashi | 0:8fdf9a60065b | 190 | * |
kadonotakashi | 0:8fdf9a60065b | 191 | * Closes any open connection and deallocates any memory associated |
kadonotakashi | 0:8fdf9a60065b | 192 | * with the socket. |
kadonotakashi | 0:8fdf9a60065b | 193 | * |
kadonotakashi | 0:8fdf9a60065b | 194 | * @param handle Socket handle |
kadonotakashi | 0:8fdf9a60065b | 195 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 196 | */ |
kadonotakashi | 0:8fdf9a60065b | 197 | virtual nsapi_error_t socket_close(nsapi_socket_t handle) = 0; |
kadonotakashi | 0:8fdf9a60065b | 198 | |
kadonotakashi | 0:8fdf9a60065b | 199 | /** Bind a specific address to a socket |
kadonotakashi | 0:8fdf9a60065b | 200 | * |
kadonotakashi | 0:8fdf9a60065b | 201 | * Binding a socket specifies the address and port on which to receive |
kadonotakashi | 0:8fdf9a60065b | 202 | * data. If the IP address is zeroed, only the port is bound. |
kadonotakashi | 0:8fdf9a60065b | 203 | * |
kadonotakashi | 0:8fdf9a60065b | 204 | * @param handle Socket handle |
kadonotakashi | 0:8fdf9a60065b | 205 | * @param address Local address to bind |
kadonotakashi | 0:8fdf9a60065b | 206 | * @return 0 on success, negative error code on failure. |
kadonotakashi | 0:8fdf9a60065b | 207 | */ |
kadonotakashi | 0:8fdf9a60065b | 208 | virtual nsapi_error_t socket_bind(nsapi_socket_t handle, const SocketAddress &address) = 0; |
kadonotakashi | 0:8fdf9a60065b | 209 | |
kadonotakashi | 0:8fdf9a60065b | 210 | /** Listen for connections on a TCP socket |
kadonotakashi | 0:8fdf9a60065b | 211 | * |
kadonotakashi | 0:8fdf9a60065b | 212 | * Marks the socket as a passive socket that can be used to accept |
kadonotakashi | 0:8fdf9a60065b | 213 | * incoming connections. |
kadonotakashi | 0:8fdf9a60065b | 214 | * |
kadonotakashi | 0:8fdf9a60065b | 215 | * @param handle Socket handle |
kadonotakashi | 0:8fdf9a60065b | 216 | * @param backlog Number of pending connections that can be queued |
kadonotakashi | 0:8fdf9a60065b | 217 | * simultaneously |
kadonotakashi | 0:8fdf9a60065b | 218 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 219 | */ |
kadonotakashi | 0:8fdf9a60065b | 220 | virtual nsapi_error_t socket_listen(nsapi_socket_t handle, int backlog) = 0; |
kadonotakashi | 0:8fdf9a60065b | 221 | |
kadonotakashi | 0:8fdf9a60065b | 222 | /** Connects TCP socket to a remote host |
kadonotakashi | 0:8fdf9a60065b | 223 | * |
kadonotakashi | 0:8fdf9a60065b | 224 | * Initiates a connection to a remote server specified by the |
kadonotakashi | 0:8fdf9a60065b | 225 | * indicated address. |
kadonotakashi | 0:8fdf9a60065b | 226 | * |
kadonotakashi | 0:8fdf9a60065b | 227 | * @param handle Socket handle |
kadonotakashi | 0:8fdf9a60065b | 228 | * @param address The SocketAddress of the remote host |
kadonotakashi | 0:8fdf9a60065b | 229 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 230 | */ |
kadonotakashi | 0:8fdf9a60065b | 231 | virtual nsapi_error_t socket_connect(nsapi_socket_t handle, const SocketAddress &address) = 0; |
kadonotakashi | 0:8fdf9a60065b | 232 | |
kadonotakashi | 0:8fdf9a60065b | 233 | /** Accepts a connection on a TCP socket |
kadonotakashi | 0:8fdf9a60065b | 234 | * |
kadonotakashi | 0:8fdf9a60065b | 235 | * The server socket must be bound and set to listen for connections. |
kadonotakashi | 0:8fdf9a60065b | 236 | * On a new connection, creates a network socket and stores it in the |
kadonotakashi | 0:8fdf9a60065b | 237 | * specified handle. The handle must be passed to following calls on |
kadonotakashi | 0:8fdf9a60065b | 238 | * the socket. |
kadonotakashi | 0:8fdf9a60065b | 239 | * |
kadonotakashi | 0:8fdf9a60065b | 240 | * A stack may have a finite number of sockets, in this case |
kadonotakashi | 0:8fdf9a60065b | 241 | * NSAPI_ERROR_NO_SOCKET is returned if no socket is available. |
kadonotakashi | 0:8fdf9a60065b | 242 | * |
kadonotakashi | 0:8fdf9a60065b | 243 | * This call is non-blocking. If accept would block, |
kadonotakashi | 0:8fdf9a60065b | 244 | * NSAPI_ERROR_WOULD_BLOCK is returned immediately. |
kadonotakashi | 0:8fdf9a60065b | 245 | * |
kadonotakashi | 0:8fdf9a60065b | 246 | * @param server Socket handle to server to accept from |
kadonotakashi | 0:8fdf9a60065b | 247 | * @param handle Destination for a handle to the newly created socket |
kadonotakashi | 0:8fdf9a60065b | 248 | * @param address Destination for the remote address or NULL |
kadonotakashi | 0:8fdf9a60065b | 249 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 250 | */ |
kadonotakashi | 0:8fdf9a60065b | 251 | virtual nsapi_error_t socket_accept(nsapi_socket_t server, |
kadonotakashi | 0:8fdf9a60065b | 252 | nsapi_socket_t *handle, SocketAddress *address = 0) = 0; |
kadonotakashi | 0:8fdf9a60065b | 253 | |
kadonotakashi | 0:8fdf9a60065b | 254 | /** Send data over a TCP socket |
kadonotakashi | 0:8fdf9a60065b | 255 | * |
kadonotakashi | 0:8fdf9a60065b | 256 | * The socket must be connected to a remote host. Returns the number of |
kadonotakashi | 0:8fdf9a60065b | 257 | * bytes sent from the buffer. |
kadonotakashi | 0:8fdf9a60065b | 258 | * |
kadonotakashi | 0:8fdf9a60065b | 259 | * This call is non-blocking. If send would block, |
kadonotakashi | 0:8fdf9a60065b | 260 | * NSAPI_ERROR_WOULD_BLOCK is returned immediately. |
kadonotakashi | 0:8fdf9a60065b | 261 | * |
kadonotakashi | 0:8fdf9a60065b | 262 | * @param handle Socket handle |
kadonotakashi | 0:8fdf9a60065b | 263 | * @param data Buffer of data to send to the host |
kadonotakashi | 0:8fdf9a60065b | 264 | * @param size Size of the buffer in bytes |
kadonotakashi | 0:8fdf9a60065b | 265 | * @return Number of sent bytes on success, negative error |
kadonotakashi | 0:8fdf9a60065b | 266 | * code on failure |
kadonotakashi | 0:8fdf9a60065b | 267 | */ |
kadonotakashi | 0:8fdf9a60065b | 268 | virtual nsapi_size_or_error_t socket_send(nsapi_socket_t handle, |
kadonotakashi | 0:8fdf9a60065b | 269 | const void *data, nsapi_size_t size) = 0; |
kadonotakashi | 0:8fdf9a60065b | 270 | |
kadonotakashi | 0:8fdf9a60065b | 271 | /** Receive data over a TCP socket |
kadonotakashi | 0:8fdf9a60065b | 272 | * |
kadonotakashi | 0:8fdf9a60065b | 273 | * The socket must be connected to a remote host. Returns the number of |
kadonotakashi | 0:8fdf9a60065b | 274 | * bytes received into the buffer. |
kadonotakashi | 0:8fdf9a60065b | 275 | * |
kadonotakashi | 0:8fdf9a60065b | 276 | * This call is non-blocking. If recv would block, |
kadonotakashi | 0:8fdf9a60065b | 277 | * NSAPI_ERROR_WOULD_BLOCK is returned immediately. |
kadonotakashi | 0:8fdf9a60065b | 278 | * |
kadonotakashi | 0:8fdf9a60065b | 279 | * @param handle Socket handle |
kadonotakashi | 0:8fdf9a60065b | 280 | * @param data Destination buffer for data received from the host |
kadonotakashi | 0:8fdf9a60065b | 281 | * @param size Size of the buffer in bytes |
kadonotakashi | 0:8fdf9a60065b | 282 | * @return Number of received bytes on success, negative error |
kadonotakashi | 0:8fdf9a60065b | 283 | * code on failure |
kadonotakashi | 0:8fdf9a60065b | 284 | */ |
kadonotakashi | 0:8fdf9a60065b | 285 | virtual nsapi_size_or_error_t socket_recv(nsapi_socket_t handle, |
kadonotakashi | 0:8fdf9a60065b | 286 | void *data, nsapi_size_t size) = 0; |
kadonotakashi | 0:8fdf9a60065b | 287 | |
kadonotakashi | 0:8fdf9a60065b | 288 | /** Send a packet over a UDP socket |
kadonotakashi | 0:8fdf9a60065b | 289 | * |
kadonotakashi | 0:8fdf9a60065b | 290 | * Sends data to the specified address. Returns the number of bytes |
kadonotakashi | 0:8fdf9a60065b | 291 | * sent from the buffer. |
kadonotakashi | 0:8fdf9a60065b | 292 | * |
kadonotakashi | 0:8fdf9a60065b | 293 | * This call is non-blocking. If sendto would block, |
kadonotakashi | 0:8fdf9a60065b | 294 | * NSAPI_ERROR_WOULD_BLOCK is returned immediately. |
kadonotakashi | 0:8fdf9a60065b | 295 | * |
kadonotakashi | 0:8fdf9a60065b | 296 | * @param handle Socket handle |
kadonotakashi | 0:8fdf9a60065b | 297 | * @param address The SocketAddress of the remote host |
kadonotakashi | 0:8fdf9a60065b | 298 | * @param data Buffer of data to send to the host |
kadonotakashi | 0:8fdf9a60065b | 299 | * @param size Size of the buffer in bytes |
kadonotakashi | 0:8fdf9a60065b | 300 | * @return Number of sent bytes on success, negative error |
kadonotakashi | 0:8fdf9a60065b | 301 | * code on failure |
kadonotakashi | 0:8fdf9a60065b | 302 | */ |
kadonotakashi | 0:8fdf9a60065b | 303 | virtual nsapi_size_or_error_t socket_sendto(nsapi_socket_t handle, const SocketAddress &address, |
kadonotakashi | 0:8fdf9a60065b | 304 | const void *data, nsapi_size_t size) = 0; |
kadonotakashi | 0:8fdf9a60065b | 305 | |
kadonotakashi | 0:8fdf9a60065b | 306 | /** Receive a packet over a UDP socket |
kadonotakashi | 0:8fdf9a60065b | 307 | * |
kadonotakashi | 0:8fdf9a60065b | 308 | * Receives data and stores the source address in address if address |
kadonotakashi | 0:8fdf9a60065b | 309 | * is not NULL. Returns the number of bytes received into the buffer. |
kadonotakashi | 0:8fdf9a60065b | 310 | * |
kadonotakashi | 0:8fdf9a60065b | 311 | * This call is non-blocking. If recvfrom would block, |
kadonotakashi | 0:8fdf9a60065b | 312 | * NSAPI_ERROR_WOULD_BLOCK is returned immediately. |
kadonotakashi | 0:8fdf9a60065b | 313 | * |
kadonotakashi | 0:8fdf9a60065b | 314 | * @param handle Socket handle |
kadonotakashi | 0:8fdf9a60065b | 315 | * @param address Destination for the source address or NULL |
kadonotakashi | 0:8fdf9a60065b | 316 | * @param buffer Destination buffer for data received from the host |
kadonotakashi | 0:8fdf9a60065b | 317 | * @param size Size of the buffer in bytes |
kadonotakashi | 0:8fdf9a60065b | 318 | * @return Number of received bytes on success, negative error |
kadonotakashi | 0:8fdf9a60065b | 319 | * code on failure |
kadonotakashi | 0:8fdf9a60065b | 320 | */ |
kadonotakashi | 0:8fdf9a60065b | 321 | virtual nsapi_size_or_error_t socket_recvfrom(nsapi_socket_t handle, SocketAddress *address, |
kadonotakashi | 0:8fdf9a60065b | 322 | void *buffer, nsapi_size_t size) = 0; |
kadonotakashi | 0:8fdf9a60065b | 323 | |
kadonotakashi | 0:8fdf9a60065b | 324 | /** Register a callback on state change of the socket |
kadonotakashi | 0:8fdf9a60065b | 325 | * |
kadonotakashi | 0:8fdf9a60065b | 326 | * The specified callback will be called on state changes such as when |
kadonotakashi | 0:8fdf9a60065b | 327 | * the socket can recv/send/accept successfully and on when an error |
kadonotakashi | 0:8fdf9a60065b | 328 | * occurs. The callback may also be called spuriously without reason. |
kadonotakashi | 0:8fdf9a60065b | 329 | * |
kadonotakashi | 0:8fdf9a60065b | 330 | * The callback may be called in an interrupt context and should not |
kadonotakashi | 0:8fdf9a60065b | 331 | * perform expensive operations such as recv/send calls. |
kadonotakashi | 0:8fdf9a60065b | 332 | * |
kadonotakashi | 0:8fdf9a60065b | 333 | * @param handle Socket handle |
kadonotakashi | 0:8fdf9a60065b | 334 | * @param callback Function to call on state change |
kadonotakashi | 0:8fdf9a60065b | 335 | * @param data Argument to pass to callback |
kadonotakashi | 0:8fdf9a60065b | 336 | */ |
kadonotakashi | 0:8fdf9a60065b | 337 | virtual void socket_attach(nsapi_socket_t handle, void (*callback)(void *), void *data) = 0; |
kadonotakashi | 0:8fdf9a60065b | 338 | |
kadonotakashi | 0:8fdf9a60065b | 339 | /* Set stack-specific socket options |
kadonotakashi | 0:8fdf9a60065b | 340 | * |
kadonotakashi | 0:8fdf9a60065b | 341 | * The setsockopt allow an application to pass stack-specific hints |
kadonotakashi | 0:8fdf9a60065b | 342 | * to the underlying stack. For unsupported options, |
kadonotakashi | 0:8fdf9a60065b | 343 | * NSAPI_ERROR_UNSUPPORTED is returned and the socket is unmodified. |
kadonotakashi | 0:8fdf9a60065b | 344 | * |
kadonotakashi | 0:8fdf9a60065b | 345 | * @param handle Socket handle |
kadonotakashi | 0:8fdf9a60065b | 346 | * @param level Stack-specific protocol level |
kadonotakashi | 0:8fdf9a60065b | 347 | * @param optname Stack-specific option identifier |
kadonotakashi | 0:8fdf9a60065b | 348 | * @param optval Option value |
kadonotakashi | 0:8fdf9a60065b | 349 | * @param optlen Length of the option value |
kadonotakashi | 0:8fdf9a60065b | 350 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 351 | */ |
kadonotakashi | 0:8fdf9a60065b | 352 | virtual nsapi_error_t setsockopt(nsapi_socket_t handle, int level, |
kadonotakashi | 0:8fdf9a60065b | 353 | int optname, const void *optval, unsigned optlen); |
kadonotakashi | 0:8fdf9a60065b | 354 | |
kadonotakashi | 0:8fdf9a60065b | 355 | /* Get stack-specific socket options |
kadonotakashi | 0:8fdf9a60065b | 356 | * |
kadonotakashi | 0:8fdf9a60065b | 357 | * The getstackopt allow an application to retrieve stack-specific hints |
kadonotakashi | 0:8fdf9a60065b | 358 | * from the underlying stack. For unsupported options, |
kadonotakashi | 0:8fdf9a60065b | 359 | * NSAPI_ERROR_UNSUPPORTED is returned and optval is unmodified. |
kadonotakashi | 0:8fdf9a60065b | 360 | * |
kadonotakashi | 0:8fdf9a60065b | 361 | * @param handle Socket handle |
kadonotakashi | 0:8fdf9a60065b | 362 | * @param level Stack-specific protocol level |
kadonotakashi | 0:8fdf9a60065b | 363 | * @param optname Stack-specific option identifier |
kadonotakashi | 0:8fdf9a60065b | 364 | * @param optval Destination for option value |
kadonotakashi | 0:8fdf9a60065b | 365 | * @param optlen Length of the option value |
kadonotakashi | 0:8fdf9a60065b | 366 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 367 | */ |
kadonotakashi | 0:8fdf9a60065b | 368 | virtual nsapi_error_t getsockopt(nsapi_socket_t handle, int level, |
kadonotakashi | 0:8fdf9a60065b | 369 | int optname, void *optval, unsigned *optlen); |
kadonotakashi | 0:8fdf9a60065b | 370 | |
kadonotakashi | 0:8fdf9a60065b | 371 | private: |
kadonotakashi | 0:8fdf9a60065b | 372 | |
kadonotakashi | 0:8fdf9a60065b | 373 | /** Call in callback |
kadonotakashi | 0:8fdf9a60065b | 374 | * |
kadonotakashi | 0:8fdf9a60065b | 375 | * Callback is used to call the call in method of the network stack. |
kadonotakashi | 0:8fdf9a60065b | 376 | */ |
kadonotakashi | 0:8fdf9a60065b | 377 | typedef mbed::Callback<nsapi_error_t (int delay_ms, mbed::Callback<void()> user_cb)> call_in_callback_cb_t; |
kadonotakashi | 0:8fdf9a60065b | 378 | |
kadonotakashi | 0:8fdf9a60065b | 379 | /** Get a call in callback |
kadonotakashi | 0:8fdf9a60065b | 380 | * |
kadonotakashi | 0:8fdf9a60065b | 381 | * Get a call in callback from the network stack context. |
kadonotakashi | 0:8fdf9a60065b | 382 | * |
kadonotakashi | 0:8fdf9a60065b | 383 | * Callback should not take more than 10ms to execute, otherwise it might |
kadonotakashi | 0:8fdf9a60065b | 384 | * prevent underlying thread processing. A portable user of the callback |
kadonotakashi | 0:8fdf9a60065b | 385 | * should not make calls to network operations due to stack size limitations. |
kadonotakashi | 0:8fdf9a60065b | 386 | * The callback should not perform expensive operations such as socket recv/send |
kadonotakashi | 0:8fdf9a60065b | 387 | * calls or blocking operations. |
kadonotakashi | 0:8fdf9a60065b | 388 | * |
kadonotakashi | 0:8fdf9a60065b | 389 | * @return Call in callback |
kadonotakashi | 0:8fdf9a60065b | 390 | */ |
kadonotakashi | 0:8fdf9a60065b | 391 | virtual call_in_callback_cb_t get_call_in_callback(); |
kadonotakashi | 0:8fdf9a60065b | 392 | |
kadonotakashi | 0:8fdf9a60065b | 393 | /** Call a callback after a delay |
kadonotakashi | 0:8fdf9a60065b | 394 | * |
kadonotakashi | 0:8fdf9a60065b | 395 | * Call a callback from the network stack context after a delay. If function |
kadonotakashi | 0:8fdf9a60065b | 396 | * returns error callback will not be called. |
kadonotakashi | 0:8fdf9a60065b | 397 | * |
kadonotakashi | 0:8fdf9a60065b | 398 | * @param delay Delay in milliseconds |
kadonotakashi | 0:8fdf9a60065b | 399 | * @param func Callback to be called |
kadonotakashi | 0:8fdf9a60065b | 400 | * @return 0 on success, negative error code on failure |
kadonotakashi | 0:8fdf9a60065b | 401 | */ |
kadonotakashi | 0:8fdf9a60065b | 402 | virtual nsapi_error_t call_in(int delay, mbed::Callback<void()> func); |
kadonotakashi | 0:8fdf9a60065b | 403 | }; |
kadonotakashi | 0:8fdf9a60065b | 404 | |
kadonotakashi | 0:8fdf9a60065b | 405 | /** Convert a raw nsapi_stack_t object into a C++ NetworkStack object |
kadonotakashi | 0:8fdf9a60065b | 406 | * |
kadonotakashi | 0:8fdf9a60065b | 407 | * @param stack Reference to an object that can be converted to a stack |
kadonotakashi | 0:8fdf9a60065b | 408 | * - A raw nsapi_stack_t object |
kadonotakashi | 0:8fdf9a60065b | 409 | * - A reference to a network stack |
kadonotakashi | 0:8fdf9a60065b | 410 | * - A reference to a network interface |
kadonotakashi | 0:8fdf9a60065b | 411 | * @return Reference to the underlying network stack |
kadonotakashi | 0:8fdf9a60065b | 412 | */ |
kadonotakashi | 0:8fdf9a60065b | 413 | NetworkStack *nsapi_create_stack(nsapi_stack_t *stack); |
kadonotakashi | 0:8fdf9a60065b | 414 | NetworkStack *nsapi_create_stack(NetworkStack *stack); |
kadonotakashi | 0:8fdf9a60065b | 415 | |
kadonotakashi | 0:8fdf9a60065b | 416 | template <typename IF> |
kadonotakashi | 0:8fdf9a60065b | 417 | NetworkStack *nsapi_create_stack(IF *iface) |
kadonotakashi | 0:8fdf9a60065b | 418 | { |
kadonotakashi | 0:8fdf9a60065b | 419 | return nsapi_create_stack(static_cast<NetworkInterface *>(iface)->get_stack()); |
kadonotakashi | 0:8fdf9a60065b | 420 | } |
kadonotakashi | 0:8fdf9a60065b | 421 | |
kadonotakashi | 0:8fdf9a60065b | 422 | |
kadonotakashi | 0:8fdf9a60065b | 423 | #endif |