private fork
Fork of GSwifiInterface by
Diff: Socket/TCPSocketConnection.cpp
- Revision:
- 5:78943b3945b5
- Parent:
- 1:fb4494783863
- Child:
- 8:64184a968e3b
--- a/Socket/TCPSocketConnection.cpp Thu Dec 20 15:08:58 2012 +0000 +++ b/Socket/TCPSocketConnection.cpp Sun Jan 27 14:31:19 2013 +0000 @@ -1,125 +1,159 @@ -/* Copyright (C) 2012 mbed.org, MIT License - * - * Permission is hereby granted, free of charge, to any person obtaining a copy of this software - * and associated documentation files (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, publish, distribute, - * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all copies or - * substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING - * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "TCPSocketConnection.h" -#include <algorithm> - -TCPSocketConnection::TCPSocketConnection() {} - -int TCPSocketConnection::connect(const char* host, const int port) -{ - if (!wifi->connect(host, port)) - return -1; - wifi->flush(); - return 0; -} - -bool TCPSocketConnection::is_connected(void) -{ - return wifi->is_connected(); -} - -int TCPSocketConnection::send(char* data, int length) -{ - Timer tmr; - - if (!_blocking) { - tmr.start(); - while (tmr.read_ms() < _timeout) { - if (wifi->writeable()) - break; - } - if (tmr.read_ms() >= _timeout) { - return -1; - } - } - return wifi->send(data, length); -} - -// -1 if unsuccessful, else number of bytes written -int TCPSocketConnection::send_all(char* data, int length) -{ - Timer tmr; - int idx = 0; - tmr.start(); - - while ((tmr.read_ms() < _timeout) || _blocking) { - - idx += wifi->send(data, length); - - if (idx == length) - return idx; - } - return (idx == 0) ? -1 : idx; -} - -// -1 if unsuccessful, else number of bytes received -int TCPSocketConnection::receive(char* data, int length) -{ - Timer tmr; - int time = -1; - - - if (!_blocking) { - tmr.start(); - while (time < _timeout + 20) { - if (wifi->readable()) { - break; - } - time = tmr.read_ms(); - } - if (time >= _timeout + 20) { - return -1; - } - } - - - while(!wifi->readable()); - int nb_available = wifi->readable(); - for (int i = 0; i < min(nb_available, length); i++) { - data[i] = wifi->getc(); - } - - return min(nb_available, length); -} - - -// -1 if unsuccessful, else number of bytes received -int TCPSocketConnection::receive_all(char* data, int length) -{ - Timer tmr; - int idx = 0; - int time = -1; - - tmr.start(); - - while (time < _timeout || _blocking) { - - int nb_available = wifi->readable(); - for (int i = 0; i < min(nb_available, length); i++) { - data[idx++] = wifi->getc(); - } - - if (idx == length) - break; - - time = tmr.read_ms(); - } - - return (idx == 0) ? -1 : idx; -} +/* Copyright (C) 2012 mbed.org, MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ +/* Copyright (C) 2013 gsfan, MIT License + * port to the GainSpan Wi-FI module GS1011 + */ + +#include "TCPSocketConnection.h" +#include <algorithm> + +TCPSocketConnection::TCPSocketConnection() {} + +int TCPSocketConnection::connect(const char* host, const int port) +{ + char cmd[CFG_CMD_SIZE]; + char ip[16]; + + if (_cid < 0 || !_wifi->is_connected(_cid)) { + // Socket open + if (_wifi->gethostbyname(host, ip) == false) return -1; + _server = false; + sprintf(cmd, "AT+NCTCP=%s,%d", ip, port); + if (_wifi->sendCommand(cmd, GSwifi::RES_CONNECT) == false) return -1; + _cid = _wifi->readCID(); + return 0; + } + + return -1; +} + +bool TCPSocketConnection::is_connected(void) +{ + return _wifi->is_connected(_cid); +} + +int TCPSocketConnection::send(char* data, int length) +{ + char cmd[CFG_CMD_SIZE]; + Timer tmr; + + if (!_blocking) { + tmr.start(); + while (tmr.read_ms() < _timeout) { + if (_wifi->writeable()) + break; + } + if (tmr.read_ms() >= _timeout) { + return -1; + } + } + + // TCP Client/Server + sprintf(cmd, "\x1bZ%X%04d", _cid, length); + _wifi->send(cmd, strlen(cmd)); + return _wifi->send(data, length, GSwifi::RES_NORMAL); +} + +// -1 if unsuccessful, else number of bytes written +int TCPSocketConnection::send_all(char* data, int length) +{ + char cmd[CFG_CMD_SIZE]; + Timer tmr; + int idx = 0; + tmr.start(); + + // TCP Client/Server + sprintf(cmd, "\x1bZ%X%04d", _cid, length); + _wifi->send(cmd, strlen(cmd)); + + while ((tmr.read_ms() < _timeout) || _blocking) { + + idx += _wifi->send(data, length, GSwifi::RES_NORMAL); + + if (idx == -1) return -1; + if (idx == length) + return idx; + } + return (idx == 0) ? -1 : idx; +} + +// -1 if unsuccessful, else number of bytes received +int TCPSocketConnection::receive(char* data, int length) +{ + Timer tmr; + int time = -1; + + + if (!_blocking) { + tmr.start(); + while (time < _timeout + 20) { + if (_wifi->readable(_cid)) { + break; + } + time = tmr.read_ms(); + } + if (time >= _timeout + 20) { + return -1; + } + } + + + while(!_wifi->readable(_cid)); + int nb_available = _wifi->readable(_cid); + for (int i = 0; i < min(nb_available, length); i++) { + data[i] = _wifi->getc(_cid); + } + + return min(nb_available, length); +} + + +// -1 if unsuccessful, else number of bytes received +int TCPSocketConnection::receive_all(char* data, int length) +{ + Timer tmr; + int idx = 0; + int time = -1; + + tmr.start(); + + while (time < _timeout || _blocking) { + + int nb_available = _wifi->readable(_cid); + for (int i = 0; i < min(nb_available, length); i++) { + data[idx++] = _wifi->getc(_cid); + } + + if (idx == length) + break; + + time = tmr.read_ms(); + } + + return (idx == 0) ? -1 : idx; +} + +void TCPSocketConnection::confCID (int cid) { + char *ip; + int port; + _server = true; + _cid = cid; + if (_wifi->readRemote(_cid, &ip, &port)) { + set_address(ip, port); + } +}