WIZnet / WIZnetInterface_namespace

WIZnetInterface using namespace

Dependents:   DualNetworkInterface-Basic

Fork of WIZnetInterface by WIZnet

Socket/TCPSocketConnection.cpp@20:3e61863c1f67, 2015-07-14 (annotated)

Committer:
SteveKim
Date:
Tue Jul 14 10:16:16 2015 +0000
Revision:
20:3e61863c1f67
Parent:
0:6f28332c466f 
Dual Network Interface for mbed;  - WIZwiki-W7500;  - ESP8266

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Soohwan Kim 0:6f28332c466f 1 /* Copyright (C) 2012 mbed.org, MIT License
Soohwan Kim 0:6f28332c466f 2 *
Soohwan Kim 0:6f28332c466f 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Soohwan Kim 0:6f28332c466f 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
Soohwan Kim 0:6f28332c466f 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
Soohwan Kim 0:6f28332c466f 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
Soohwan Kim 0:6f28332c466f 7 * furnished to do so, subject to the following conditions:
Soohwan Kim 0:6f28332c466f 8 *
Soohwan Kim 0:6f28332c466f 9 * The above copyright notice and this permission notice shall be included in all copies or
Soohwan Kim 0:6f28332c466f 10 * substantial portions of the Software.
Soohwan Kim 0:6f28332c466f 11 *
Soohwan Kim 0:6f28332c466f 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Soohwan Kim 0:6f28332c466f 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Soohwan Kim 0:6f28332c466f 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Soohwan Kim 0:6f28332c466f 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Soohwan Kim 0:6f28332c466f 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Soohwan Kim 0:6f28332c466f 17 */
Soohwan Kim 0:6f28332c466f 18
SteveKim 20:3e61863c1f67 19 #include "TCPSocketConnection.hpp"
Soohwan Kim 0:6f28332c466f 20 #include <cstring>
Soohwan Kim 0:6f28332c466f 21
Soohwan Kim 0:6f28332c466f 22 using std::memset;
Soohwan Kim 0:6f28332c466f 23 using std::memcpy;
Soohwan Kim 0:6f28332c466f 24
SteveKim 20:3e61863c1f67 25 using namespace wiznet_space;
SteveKim 20:3e61863c1f67 26
Soohwan Kim 0:6f28332c466f 27 // not a big code.
Soohwan Kim 0:6f28332c466f 28 // refer from EthernetInterface by mbed official driver
Soohwan Kim 0:6f28332c466f 29 TCPSocketConnection::TCPSocketConnection() :
Soohwan Kim 0:6f28332c466f 30 _is_connected(false)
Soohwan Kim 0:6f28332c466f 31 {
Soohwan Kim 0:6f28332c466f 32 }
Soohwan Kim 0:6f28332c466f 33
Soohwan Kim 0:6f28332c466f 34 int TCPSocketConnection::connect(const char* host, const int port)
Soohwan Kim 0:6f28332c466f 35 {
Soohwan Kim 0:6f28332c466f 36 if (_sock_fd < 0) {
Soohwan Kim 0:6f28332c466f 37 _sock_fd = eth->new_socket();
Soohwan Kim 0:6f28332c466f 38 if (_sock_fd < 0) {
Soohwan Kim 0:6f28332c466f 39 return -1;
Soohwan Kim 0:6f28332c466f 40 }
Soohwan Kim 0:6f28332c466f 41 }
Soohwan Kim 0:6f28332c466f 42 if (set_address(host, port) != 0) {
Soohwan Kim 0:6f28332c466f 43 return -1;
Soohwan Kim 0:6f28332c466f 44 }
Soohwan Kim 0:6f28332c466f 45 if (!eth->connect(_sock_fd, get_address(), port)) {
Soohwan Kim 0:6f28332c466f 46 return -1;
Soohwan Kim 0:6f28332c466f 47 }
Soohwan Kim 0:6f28332c466f 48 set_blocking(false);
Soohwan Kim 0:6f28332c466f 49 // add code refer from EthernetInterface.
Soohwan Kim 0:6f28332c466f 50 _is_connected = true;
Soohwan Kim 0:6f28332c466f 51
Soohwan Kim 0:6f28332c466f 52 return 0;
Soohwan Kim 0:6f28332c466f 53 }
Soohwan Kim 0:6f28332c466f 54
Soohwan Kim 0:6f28332c466f 55 bool TCPSocketConnection::is_connected(void)
Soohwan Kim 0:6f28332c466f 56 {
Soohwan Kim 0:6f28332c466f 57 // force update recent state.
Soohwan Kim 0:6f28332c466f 58 _is_connected = eth->is_connected(_sock_fd);
Soohwan Kim 0:6f28332c466f 59 return _is_connected;
Soohwan Kim 0:6f28332c466f 60 }
Soohwan Kim 0:6f28332c466f 61
Soohwan Kim 0:6f28332c466f 62 int TCPSocketConnection::send(char* data, int length)
Soohwan Kim 0:6f28332c466f 63 {
Soohwan Kim 0:6f28332c466f 64 if((_sock_fd<0) || !(eth->is_connected(_sock_fd)))
Soohwan Kim 0:6f28332c466f 65 return -1;
Soohwan Kim 0:6f28332c466f 66
Soohwan Kim 0:6f28332c466f 67 int size = eth->wait_writeable(_sock_fd, _blocking ? -1 : _timeout);
Soohwan Kim 0:6f28332c466f 68 if (size < 0)
Soohwan Kim 0:6f28332c466f 69 return -1;
Soohwan Kim 0:6f28332c466f 70
Soohwan Kim 0:6f28332c466f 71 if (size > length)
Soohwan Kim 0:6f28332c466f 72 size = length;
Soohwan Kim 0:6f28332c466f 73
Soohwan Kim 0:6f28332c466f 74 return eth->send(_sock_fd, data, size);
Soohwan Kim 0:6f28332c466f 75 }
Soohwan Kim 0:6f28332c466f 76
Soohwan Kim 0:6f28332c466f 77 // -1 if unsuccessful, else number of bytes written
Soohwan Kim 0:6f28332c466f 78 int TCPSocketConnection::send_all(char* data, int length)
Soohwan Kim 0:6f28332c466f 79 {
Soohwan Kim 0:6f28332c466f 80 int writtenLen = 0;
Soohwan Kim 0:6f28332c466f 81
Soohwan Kim 0:6f28332c466f 82 if(_sock_fd<0)
Soohwan Kim 0:6f28332c466f 83 return -1;
Soohwan Kim 0:6f28332c466f 84
Soohwan Kim 0:6f28332c466f 85 while (writtenLen < length) {
Soohwan Kim 0:6f28332c466f 86
Soohwan Kim 0:6f28332c466f 87 if(!(eth->is_connected(_sock_fd)))
Soohwan Kim 0:6f28332c466f 88 return -1;
Soohwan Kim 0:6f28332c466f 89
Soohwan Kim 0:6f28332c466f 90 int size = eth->wait_writeable(_sock_fd, _blocking ? -1 : _timeout);
Soohwan Kim 0:6f28332c466f 91 if (size < 0) {
Soohwan Kim 0:6f28332c466f 92 return -1;
Soohwan Kim 0:6f28332c466f 93 }
Soohwan Kim 0:6f28332c466f 94 if (size > (length-writtenLen)) {
Soohwan Kim 0:6f28332c466f 95 size = (length-writtenLen);
Soohwan Kim 0:6f28332c466f 96 }
Soohwan Kim 0:6f28332c466f 97 int ret = eth->send(_sock_fd, data + writtenLen, size);
Soohwan Kim 0:6f28332c466f 98 if (ret < 0) {
Soohwan Kim 0:6f28332c466f 99 return -1;
Soohwan Kim 0:6f28332c466f 100 }
Soohwan Kim 0:6f28332c466f 101 writtenLen += ret;
Soohwan Kim 0:6f28332c466f 102 }
Soohwan Kim 0:6f28332c466f 103 return writtenLen;
Soohwan Kim 0:6f28332c466f 104 }
Soohwan Kim 0:6f28332c466f 105
Soohwan Kim 0:6f28332c466f 106 // -1 if unsuccessful, else number of bytes received
Soohwan Kim 0:6f28332c466f 107 int TCPSocketConnection::receive(char* data, int length)
Soohwan Kim 0:6f28332c466f 108 {
Soohwan Kim 0:6f28332c466f 109 if((_sock_fd<0) || !(eth->is_connected(_sock_fd)))
Soohwan Kim 0:6f28332c466f 110 return -1;
Soohwan Kim 0:6f28332c466f 111
Soohwan Kim 0:6f28332c466f 112 int size = eth->wait_readable(_sock_fd, _blocking ? -1 : _timeout);
Soohwan Kim 0:6f28332c466f 113 if (size < 0) {
Soohwan Kim 0:6f28332c466f 114 return -1;
Soohwan Kim 0:6f28332c466f 115 }
Soohwan Kim 0:6f28332c466f 116 if (size > length) {
Soohwan Kim 0:6f28332c466f 117 size = length;
Soohwan Kim 0:6f28332c466f 118 }
Soohwan Kim 0:6f28332c466f 119 return eth->recv(_sock_fd, data, size);
Soohwan Kim 0:6f28332c466f 120 }
Soohwan Kim 0:6f28332c466f 121
Soohwan Kim 0:6f28332c466f 122 // -1 if unsuccessful, else number of bytes received
Soohwan Kim 0:6f28332c466f 123 int TCPSocketConnection::receive_all(char* data, int length)
Soohwan Kim 0:6f28332c466f 124 {
Soohwan Kim 0:6f28332c466f 125 if(_sock_fd<0)
Soohwan Kim 0:6f28332c466f 126 return -1;
Soohwan Kim 0:6f28332c466f 127
Soohwan Kim 0:6f28332c466f 128 int readLen = 0;
Soohwan Kim 0:6f28332c466f 129 while (readLen < length) {
Soohwan Kim 0:6f28332c466f 130
Soohwan Kim 0:6f28332c466f 131 if(!(eth->is_connected(_sock_fd)))
Soohwan Kim 0:6f28332c466f 132 return -1;
Soohwan Kim 0:6f28332c466f 133
Soohwan Kim 0:6f28332c466f 134 int size = eth->wait_readable(_sock_fd, _blocking ? -1 :_timeout);
Soohwan Kim 0:6f28332c466f 135 if (size <= 0) {
Soohwan Kim 0:6f28332c466f 136 break;
Soohwan Kim 0:6f28332c466f 137 }
Soohwan Kim 0:6f28332c466f 138 if (size > (length - readLen)) {
Soohwan Kim 0:6f28332c466f 139 size = length - readLen;
Soohwan Kim 0:6f28332c466f 140 }
Soohwan Kim 0:6f28332c466f 141 int ret = eth->recv(_sock_fd, data + readLen, size);
Soohwan Kim 0:6f28332c466f 142 if (ret < 0) {
Soohwan Kim 0:6f28332c466f 143 return -1;
Soohwan Kim 0:6f28332c466f 144 }
Soohwan Kim 0:6f28332c466f 145 readLen += ret;
Soohwan Kim 0:6f28332c466f 146 }
Soohwan Kim 0:6f28332c466f 147 return readLen;
Soohwan Kim 0:6f28332c466f 148 }