Free (GPLv2) TCP/IP stack developed by TASS Belgium
Dependents: lpc1768-picotcp-demo ZeroMQ_PicoTCP_Publisher_demo TCPSocket_HelloWorld_PicoTCP Pico_TCP_UDP_Test ... more
PicoTCP. Copyright (c) 2013 TASS Belgium NV.
Released under the GNU General Public License, version 2.
Different licensing models may exist, at the sole discretion of the Copyright holders.
Official homepage: http://www.picotcp.com
Bug tracker: https://github.com/tass-belgium/picotcp/issues
Development steps:
initial integration with mbed RTOSgeneric mbed Ethernet driverhigh performance NXP LPC1768 specific Ethernet driverMulti-threading support for mbed RTOSBerkeley sockets and integration with the New Socket APIFork of the apps running on top of the New Socket APIScheduling optimizations- Debugging/benchmarking/testing
Demo application (measuring TCP sender performance):
Import programlpc1768-picotcp-demo
A PicoTCP demo app testing the ethernet throughput on the lpc1768 mbed board.
Diff: Socket/TCPSocketConnection.cpp
- Revision:
- 19:c7debad9a20a
- Parent:
- 18:c6f67fcfc62a
- Child:
- 24:8bff2b51ea3b
diff -r c6f67fcfc62a -r c7debad9a20a Socket/TCPSocketConnection.cpp --- a/Socket/TCPSocketConnection.cpp Fri Jun 07 13:44:59 2013 +0000 +++ b/Socket/TCPSocketConnection.cpp Sat Jun 08 13:47:53 2013 +0000 @@ -50,7 +50,7 @@ return -1; } - if (picotcp_connect(_sock_fd, (struct sockaddr *) &_remoteHost, sizeof(_remoteHost)) < 0) { + if (picotcp_connect(_ep, (struct sockaddr *) &_remoteHost, sizeof(_remoteHost)) < 0) { close(); return -1; } @@ -64,7 +64,7 @@ } int TCPSocketConnection::send(char* data, int length) { - if ((_sock_fd < 0) || !_is_connected) + if ((_ep < 0) || !_is_connected) return -1; if (!_blocking) { @@ -75,43 +75,26 @@ return -1; } } - - int n = picotcp_write(_sock_fd, data, length); - _is_connected = (picotcp_state(_sock_fd) == SOCK_CONNECTED); - - return n; + return picotcp_write(_ep, data, length); } // -1 if unsuccessful, else number of bytes written int TCPSocketConnection::send_all(char* data, int length) { - if ((_sock_fd < 0) || !_is_connected) + if ((_ep < 0) || !_is_connected) return -1; - - size_t writtenLen = 0; - TimeInterval timeout(_timeout); - while (writtenLen < length) { - if (!_blocking) { - // Wait for socket to be writeable - if (wait_writable(timeout) != 0) - return writtenLen; - } - int ret = picotcp_write(_sock_fd, data + writtenLen, length - writtenLen); - if (ret > 0) { - writtenLen += ret; - continue; - } else if (ret == 0) { - _is_connected = (picotcp_state(_sock_fd) == SOCK_CONNECTED); - return writtenLen; - } else { - return -1; //Connnection error + if (!_blocking) { + TimeInterval timeout(_timeout); + // Wait for socket to be writeable + if (wait_writable(timeout) != 0) { + return 0; } } - return writtenLen; + return picotcp_write(_ep, data, length); } int TCPSocketConnection::receive(char* data, int length) { - if ((_sock_fd < 0) || !_is_connected) + if ((_ep < 0) || !_is_connected) return -1; if (!_blocking) { @@ -122,36 +105,10 @@ return -1; } } - - int n = picotcp_read(_sock_fd, data, length); - _is_connected = (picotcp_state(_sock_fd) == SOCK_CONNECTED); - - return n; + return picotcp_read(_ep, data, length); } // -1 if unsuccessful, else number of bytes received int TCPSocketConnection::receive_all(char* data, int length) { - if ((_sock_fd < 0) || !_is_connected) - return -1; - - size_t readLen = 0; - TimeInterval timeout(_timeout); - while (readLen < length) { - if (!_blocking) { - //Wait for socket to be readable - if (wait_readable(timeout) != 0) - return readLen; - } - - int ret = picotcp_read(_sock_fd, data + readLen, length - readLen); - if (ret > 0) { - readLen += ret; - } else if (ret == 0) { - _is_connected = (picotcp_state(_sock_fd) == SOCK_CONNECTED); - return readLen; - } else { - return -1; //Connnection error - } - } - return readLen; + return receive(data, length); }