private fork
Fork of GSwifiInterface by
Socket/TCPSocketConnection.cpp@22:2085f090fe31, 2014-06-06 (annotated)
- Committer:
- okini3939
- Date:
- Fri Jun 06 00:41:27 2014 +0000
- Revision:
- 22:2085f090fe31
- Parent:
- 11:71d67fea5ace
modify httpd
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
gsfan | 5:78943b3945b5 | 1 | /* Copyright (C) 2012 mbed.org, MIT License |
gsfan | 5:78943b3945b5 | 2 | * |
gsfan | 5:78943b3945b5 | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
gsfan | 5:78943b3945b5 | 4 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
gsfan | 5:78943b3945b5 | 5 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
gsfan | 5:78943b3945b5 | 6 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
gsfan | 5:78943b3945b5 | 7 | * furnished to do so, subject to the following conditions: |
gsfan | 5:78943b3945b5 | 8 | * |
gsfan | 5:78943b3945b5 | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
gsfan | 5:78943b3945b5 | 10 | * substantial portions of the Software. |
gsfan | 5:78943b3945b5 | 11 | * |
gsfan | 5:78943b3945b5 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
gsfan | 5:78943b3945b5 | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
gsfan | 5:78943b3945b5 | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
gsfan | 5:78943b3945b5 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
gsfan | 5:78943b3945b5 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
gsfan | 5:78943b3945b5 | 17 | */ |
gsfan | 5:78943b3945b5 | 18 | /* Copyright (C) 2013 gsfan, MIT License |
gsfan | 5:78943b3945b5 | 19 | * port to the GainSpan Wi-FI module GS1011 |
gsfan | 5:78943b3945b5 | 20 | */ |
gsfan | 5:78943b3945b5 | 21 | |
gsfan | 5:78943b3945b5 | 22 | #include "TCPSocketConnection.h" |
gsfan | 5:78943b3945b5 | 23 | #include <algorithm> |
gsfan | 5:78943b3945b5 | 24 | |
gsfan | 5:78943b3945b5 | 25 | TCPSocketConnection::TCPSocketConnection() {} |
gsfan | 5:78943b3945b5 | 26 | |
gsfan | 5:78943b3945b5 | 27 | int TCPSocketConnection::connect(const char* host, const int port) |
gsfan | 5:78943b3945b5 | 28 | { |
gsfan | 8:64184a968e3b | 29 | if (set_address(host, port) != 0) return -1; |
gsfan | 5:78943b3945b5 | 30 | |
gsfan | 8:64184a968e3b | 31 | _server = false; |
gsfan | 8:64184a968e3b | 32 | _cid = _wifi->open(GSwifi::PROTO_TCP, get_address(), get_port()); |
gsfan | 8:64184a968e3b | 33 | if (_cid < 0) return -1; |
gsfan | 5:78943b3945b5 | 34 | |
gsfan | 8:64184a968e3b | 35 | return 0; |
gsfan | 5:78943b3945b5 | 36 | } |
gsfan | 5:78943b3945b5 | 37 | |
gsfan | 5:78943b3945b5 | 38 | bool TCPSocketConnection::is_connected(void) |
gsfan | 5:78943b3945b5 | 39 | { |
gsfan | 8:64184a968e3b | 40 | bool _is_connected = _wifi->isConnected(_cid); |
gsfan | 8:64184a968e3b | 41 | if (!_is_connected) _cid = -1; |
gsfan | 8:64184a968e3b | 42 | return _is_connected; |
gsfan | 5:78943b3945b5 | 43 | } |
gsfan | 5:78943b3945b5 | 44 | |
gsfan | 5:78943b3945b5 | 45 | int TCPSocketConnection::send(char* data, int length) |
gsfan | 5:78943b3945b5 | 46 | { |
gsfan | 8:64184a968e3b | 47 | if (_cid < 0 || !is_connected()) return -1; |
gsfan | 5:78943b3945b5 | 48 | |
gsfan | 5:78943b3945b5 | 49 | // TCP Client/Server |
gsfan | 8:64184a968e3b | 50 | return _wifi->send(_cid, data, length); |
gsfan | 5:78943b3945b5 | 51 | } |
gsfan | 5:78943b3945b5 | 52 | |
gsfan | 5:78943b3945b5 | 53 | // -1 if unsuccessful, else number of bytes written |
gsfan | 5:78943b3945b5 | 54 | int TCPSocketConnection::send_all(char* data, int length) |
gsfan | 5:78943b3945b5 | 55 | { |
gsfan | 5:78943b3945b5 | 56 | Timer tmr; |
gsfan | 5:78943b3945b5 | 57 | int idx = 0; |
gsfan | 8:64184a968e3b | 58 | |
gsfan | 8:64184a968e3b | 59 | if (_cid < 0 || !is_connected()) return -1; |
gsfan | 8:64184a968e3b | 60 | |
gsfan | 5:78943b3945b5 | 61 | tmr.start(); |
gsfan | 5:78943b3945b5 | 62 | // TCP Client/Server |
gsfan | 5:78943b3945b5 | 63 | while ((tmr.read_ms() < _timeout) || _blocking) { |
gsfan | 5:78943b3945b5 | 64 | |
gsfan | 8:64184a968e3b | 65 | idx += _wifi->send(_cid, &data[idx], length - idx); |
gsfan | 8:64184a968e3b | 66 | if (idx < 0) return -1; |
gsfan | 5:78943b3945b5 | 67 | |
gsfan | 5:78943b3945b5 | 68 | if (idx == length) |
gsfan | 5:78943b3945b5 | 69 | return idx; |
gsfan | 5:78943b3945b5 | 70 | } |
gsfan | 5:78943b3945b5 | 71 | return (idx == 0) ? -1 : idx; |
gsfan | 5:78943b3945b5 | 72 | } |
gsfan | 5:78943b3945b5 | 73 | |
gsfan | 5:78943b3945b5 | 74 | // -1 if unsuccessful, else number of bytes received |
gsfan | 5:78943b3945b5 | 75 | int TCPSocketConnection::receive(char* data, int length) |
gsfan | 5:78943b3945b5 | 76 | { |
gsfan | 5:78943b3945b5 | 77 | Timer tmr; |
gsfan | 5:78943b3945b5 | 78 | int time = -1; |
gsfan | 8:64184a968e3b | 79 | |
gsfan | 8:64184a968e3b | 80 | if (_cid < 0 || !is_connected()) return -1; |
gsfan | 8:64184a968e3b | 81 | |
gsfan | 8:64184a968e3b | 82 | if (_blocking) { |
gsfan | 5:78943b3945b5 | 83 | tmr.start(); |
gsfan | 5:78943b3945b5 | 84 | while (time < _timeout + 20) { |
gsfan | 5:78943b3945b5 | 85 | if (_wifi->readable(_cid)) { |
gsfan | 11:71d67fea5ace | 86 | DBG("receive readable"); |
gsfan | 5:78943b3945b5 | 87 | break; |
gsfan | 5:78943b3945b5 | 88 | } |
gsfan | 5:78943b3945b5 | 89 | time = tmr.read_ms(); |
gsfan | 5:78943b3945b5 | 90 | } |
gsfan | 5:78943b3945b5 | 91 | if (time >= _timeout + 20) { |
gsfan | 11:71d67fea5ace | 92 | DBG("receive timeout"); |
gsfan | 11:71d67fea5ace | 93 | return 0; |
gsfan | 5:78943b3945b5 | 94 | } |
gsfan | 5:78943b3945b5 | 95 | } |
gsfan | 5:78943b3945b5 | 96 | |
gsfan | 8:64184a968e3b | 97 | int nb_available = _wifi->recv(_cid, data, length); |
gsfan | 5:78943b3945b5 | 98 | |
gsfan | 8:64184a968e3b | 99 | return nb_available; |
gsfan | 5:78943b3945b5 | 100 | } |
gsfan | 5:78943b3945b5 | 101 | |
gsfan | 5:78943b3945b5 | 102 | |
gsfan | 5:78943b3945b5 | 103 | // -1 if unsuccessful, else number of bytes received |
gsfan | 5:78943b3945b5 | 104 | int TCPSocketConnection::receive_all(char* data, int length) |
gsfan | 5:78943b3945b5 | 105 | { |
gsfan | 5:78943b3945b5 | 106 | Timer tmr; |
gsfan | 5:78943b3945b5 | 107 | int idx = 0; |
gsfan | 5:78943b3945b5 | 108 | int time = -1; |
gsfan | 5:78943b3945b5 | 109 | |
gsfan | 8:64184a968e3b | 110 | if (_cid < 0 || !is_connected()) return -1; |
gsfan | 8:64184a968e3b | 111 | |
gsfan | 5:78943b3945b5 | 112 | tmr.start(); |
gsfan | 5:78943b3945b5 | 113 | |
gsfan | 5:78943b3945b5 | 114 | while (time < _timeout || _blocking) { |
gsfan | 5:78943b3945b5 | 115 | |
gsfan | 8:64184a968e3b | 116 | idx += _wifi->recv(_cid, &data[idx], length - idx); |
gsfan | 8:64184a968e3b | 117 | if (idx < 0) return -1; |
gsfan | 5:78943b3945b5 | 118 | |
gsfan | 5:78943b3945b5 | 119 | if (idx == length) |
gsfan | 5:78943b3945b5 | 120 | break; |
gsfan | 5:78943b3945b5 | 121 | |
gsfan | 5:78943b3945b5 | 122 | time = tmr.read_ms(); |
gsfan | 5:78943b3945b5 | 123 | } |
gsfan | 5:78943b3945b5 | 124 | |
gsfan | 5:78943b3945b5 | 125 | return (idx == 0) ? -1 : idx; |
gsfan | 5:78943b3945b5 | 126 | } |
gsfan | 5:78943b3945b5 | 127 | |
gsfan | 8:64184a968e3b | 128 | void TCPSocketConnection::acceptCID (int cid) { |
gsfan | 5:78943b3945b5 | 129 | char *ip; |
gsfan | 5:78943b3945b5 | 130 | int port; |
gsfan | 5:78943b3945b5 | 131 | _server = true; |
gsfan | 5:78943b3945b5 | 132 | _cid = cid; |
gsfan | 8:64184a968e3b | 133 | if (!_wifi->getRemote(_cid, &ip, &port)) { |
gsfan | 5:78943b3945b5 | 134 | set_address(ip, port); |
gsfan | 5:78943b3945b5 | 135 | } |
gsfan | 5:78943b3945b5 | 136 | } |