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.
Revision 15:129f20ca4d7d, committed 2013-06-06
- Comitter:
- tass
- Date:
- Thu Jun 06 11:40:20 2013 +0000
- Parent:
- 14:fe225a6f92c0
- Commit message:
- updated picotcp_select
Changed in this revision
Socket/TCPSocketConnection.cpp | Show annotated file Show diff for this revision Revisions of this file |
Socket/pico_bsd_layer.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/Socket/TCPSocketConnection.cpp Thu Jun 06 09:27:28 2013 +0000 +++ b/Socket/TCPSocketConnection.cpp Thu Jun 06 11:40:20 2013 +0000 @@ -71,7 +71,6 @@ TimeInterval timeout(_timeout); if (wait_writable(timeout) != 0) { - printf("Failed\n"); return -1; } } @@ -118,14 +117,13 @@ TimeInterval timeout(_timeout); if (wait_readable(timeout) != 0) { - printf("Failed receiving\n"); return -1; } } - + int n = picotcp_read(_sock_fd, data, length); _is_connected = (picotcp_state(_sock_fd) == SOCK_CONNECTED); - + return n; }
--- a/Socket/pico_bsd_layer.cpp Thu Jun 06 09:27:28 2013 +0000 +++ b/Socket/pico_bsd_layer.cpp Thu Jun 06 11:40:20 2013 +0000 @@ -98,7 +98,9 @@ { SET_EVENT(sock->event, event); //printf("Locked...\n"); + sock->mutex->lock(); + RESET_EVENT(sock->event,event); if(! EVENT_PENDING(sock->revent,event) || EVENT_PENDING(sock->revent, PICO_SOCK_EV_ERR) || @@ -120,7 +122,10 @@ if(!_sock) { if( (ev & PICO_SOCK_EV_ERR) || (ev & PICO_SOCK_EV_CLOSE) || (ev & PICO_SOCK_EV_FIN) ) + { + printf("Ghost socket : %d\n",ev); pico_socket_close(sock); + } return; } @@ -136,18 +141,15 @@ } else { - printf("Unexpected event\n"); + //printf("Unexpected event \n"); // give semaphore back when -1 occurs or close requested - if( (ev & PICO_SOCK_EV_ERR) || (ev & PICO_SOCK_EV_CLOSE) || (ev & PICO_SOCK_EV_FIN) ) + if( (ev & PICO_SOCK_EV_ERR) || (ev & PICO_SOCK_EV_CLOSE)) { - printf("Exception\n"); + printf("Exception %d\n",ev); _sock->state = SOCK_CLOSED; - if(_sock->state != SOCK_CLOSED) - { - pico_socket_close(_sock->sock); + pico_socket_close(_sock->sock); //_sock->sock = NULL; - } _sock->mutex->unlock(); globalLock.lock(); } @@ -346,7 +348,7 @@ pico_free(_sock); - globalLock.unlock(); + globalLock.unlock(); return ret; } @@ -495,21 +497,12 @@ VALIDATE_NULL(_sock); // tell the dispatcher what events are you waiting for - if(read) - SET_EVENT(_sock->event,PICO_SOCK_EV_RD|PICO_SOCK_EV_CONN); - if(write) - SET_EVENT(_sock->event,PICO_SOCK_EV_WR); - + while (PICO_TIME_MS() < now + ms) { - if (_sock->mutex->lock(1) == false) { - //Thread::wait(1); - continue; - } - - if (read && EVENT_PENDING(_sock->revent,PICO_SOCK_EV_RD|PICO_SOCK_EV_CONN)) + if (read && EVENT_PENDING(_sock->revent,PICO_SOCK_EV_RD)) { - RESET_EVENT(_sock->revent,PICO_SOCK_EV_CONN|PICO_SOCK_EV_RD); + RESET_EVENT(_sock->revent,PICO_SOCK_EV_RD); ret++; } if (write && EVENT_PENDING(_sock->revent, PICO_SOCK_EV_WR)) @@ -520,15 +513,9 @@ if (ret > 0) break; - + Thread::wait(1); } - if(read) - RESET_EVENT(_sock->event,PICO_SOCK_EV_CONN|PICO_SOCK_EV_RD); - if(write) - RESET_EVENT(_sock->event,PICO_SOCK_EV_WR); - - return ret; }