DongEun Koak / NetworkSocketAPI

NetworkSocketAPI

Dependencies:   DnsQuery

Dependents:   HelloWizFi250Interface

Fork of NetworkSocketAPI by NetworkSocketAPI

SocketInterface.h@66:c84a4c76cb94, 2016-04-01 (annotated)

Committer:
geky
Date:
Fri Apr 01 17:18:27 2016 +0000
Revision:
66:c84a4c76cb94
Parent:
63:531f4c27f360
Child:
68:a52251517491
Changed API to better match Posix sockets; ; - Send returns size on success; - Returns NS_ERROR_WOULD_BLOCK when recv would block

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sam_grove 0:d35446f60233 1 /* SocketInterface Base Class
sam_grove 0:d35446f60233 2 * Copyright (c) 2015 ARM Limited
sam_grove 0:d35446f60233 3 *
sam_grove 0:d35446f60233 4 * Licensed under the Apache License, Version 2.0 (the "License");
sam_grove 0:d35446f60233 5 * you may not use this file except in compliance with the License.
sam_grove 0:d35446f60233 6 * You may obtain a copy of the License at
sam_grove 0:d35446f60233 7 *
sam_grove 0:d35446f60233 8 * http://www.apache.org/licenses/LICENSE-2.0
sam_grove 0:d35446f60233 9 *
sam_grove 0:d35446f60233 10 * Unless required by applicable law or agreed to in writing, software
sam_grove 0:d35446f60233 11 * distributed under the License is distributed on an "AS IS" BASIS,
sam_grove 0:d35446f60233 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sam_grove 0:d35446f60233 13 * See the License for the specific language governing permissions and
sam_grove 0:d35446f60233 14 * limitations under the License.
sam_grove 0:d35446f60233 15 */
sam_grove 8:4b7f97a5597b 16
Christopher Haster 21:35ed15069189 17 #ifndef SOCKET_INTERFACE_H
Christopher Haster 21:35ed15069189 18 #define SOCKET_INTERFACE_H
bridadan 2:ce08986b18b5 19
sam_grove 8:4b7f97a5597b 20 #include "stdint.h"
sam_grove 8:4b7f97a5597b 21
sam_grove 8:4b7f97a5597b 22
sam_grove 63:531f4c27f360 23 /**
sam_grove 63:531f4c27f360 24 * @enum ns_protocol_t
sam_grove 63:531f4c27f360 25 * @brief enum of socket protocols
sam_grove 8:4b7f97a5597b 26 */
Christopher Haster 57:3c873fab4207 27 enum ns_protocol_t {
sam_grove 63:531f4c27f360 28 NS_TCP, /*!< Socket is of TCP type */
sam_grove 63:531f4c27f360 29 NS_UDP, /*!< Socket is of UDP type */
Christopher Haster 42:49893d13c432 30 };
sam_grove 8:4b7f97a5597b 31
Christopher Haster 21:35ed15069189 32
Christopher Haster 21:35ed15069189 33 /** SocketInterface class
Christopher Haster 21:35ed15069189 34 * Common interface for implementation specific sockets created through
Christopher Haster 21:35ed15069189 35 * network interfaces. This class is used internally by the
Christopher Haster 21:35ed15069189 36 * TCPSocket and UDPSocket classes
sam_grove 8:4b7f97a5597b 37 */
Christopher Haster 21:35ed15069189 38 class SocketInterface
sam_grove 8:4b7f97a5597b 39 {
sam_grove 8:4b7f97a5597b 40 public:
sam_grove 63:531f4c27f360 41
Christopher Haster 53:26b5f1c69822 42 virtual ~SocketInterface() {}
Christopher Haster 53:26b5f1c69822 43
Christopher Haster 21:35ed15069189 44 /** Open a connection to the underlying address
Christopher Haster 36:eab792dfb0d8 45 * @param ip IP address to connect to
Christopher Haster 36:eab792dfb0d8 46 * @param port Port to connect to
Christopher Haster 21:35ed15069189 47 * @return 0 on success
sam_grove 8:4b7f97a5597b 48 */
Christopher Haster 36:eab792dfb0d8 49 virtual int32_t open(const char *ip, uint16_t port) = 0;
Christopher Haster 21:35ed15069189 50
Christopher Haster 21:35ed15069189 51 /** Close an open connection
Christopher Haster 21:35ed15069189 52 * @return 0 on success
Christopher Haster 21:35ed15069189 53 */
Christopher Haster 21:35ed15069189 54 virtual int32_t close() = 0;
sam_grove 8:4b7f97a5597b 55
Christopher Haster 21:35ed15069189 56 /** Send data
Christopher Haster 21:35ed15069189 57 * @param data Buffer of data to send
Christopher Haster 48:b3bbe28a7963 58 * @param size Size of data to send
geky 66:c84a4c76cb94 59 * @return Number of bytes received or a negative value on success
sam_grove 8:4b7f97a5597b 60 */
Christopher Haster 48:b3bbe28a7963 61 virtual int32_t send(const void *data, uint32_t size) = 0;
sam_grove 8:4b7f97a5597b 62
Christopher Haster 48:b3bbe28a7963 63 /** Receive data
Christopher Haster 48:b3bbe28a7963 64 * @note
geky 66:c84a4c76cb94 65 * This call should return immediately with a value of
geky 66:c84a4c76cb94 66 * NS_ERROR_WOULD_BOCK if no data is available.
Christopher Haster 48:b3bbe28a7963 67 *
Christopher Haster 48:b3bbe28a7963 68 * @param data A buffer to store the data in
Christopher Haster 48:b3bbe28a7963 69 * @param size Size of buffer
Christopher Haster 48:b3bbe28a7963 70 * @return Number of bytes received or a negative value on failure
sam_grove 8:4b7f97a5597b 71 */
Christopher Haster 48:b3bbe28a7963 72 virtual int32_t recv(void *data, uint32_t size) = 0;
Christopher Haster 58:1caa187fa5af 73
Christopher Haster 58:1caa187fa5af 74 /** Status of the socket
Christopher Haster 58:1caa187fa5af 75 * @return True if connected
Christopher Haster 58:1caa187fa5af 76 */
sam_grove 63:531f4c27f360 77 virtual bool isConnected() {
Christopher Haster 58:1caa187fa5af 78 // By default return true if socket was created successfully
Christopher Haster 58:1caa187fa5af 79 return true;
Christopher Haster 58:1caa187fa5af 80 }
sam_grove 8:4b7f97a5597b 81 };
sam_grove 8:4b7f97a5597b 82
bridadan 1:291a9d61e58a 83 #endif