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: libraries/picotcp/modules/pico_http_util.c
- Revision:
- 0:d7f2341ab245
diff -r 000000000000 -r d7f2341ab245 libraries/picotcp/modules/pico_http_util.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libraries/picotcp/modules/pico_http_util.c Thu Apr 25 13:22:51 2013 +0000 @@ -0,0 +1,186 @@ +/********************************************************************* +PicoTCP. Copyright (c) 2012 TASS Belgium NV. Some rights reserved. +See LICENSE and COPYING for usage. + +Author: Andrei Carp <andrei.carp@tass.be> +*********************************************************************/ + +#include <stdint.h> +#include "pico_config.h" +#include "pico_stack.h" +#include "pico_protocol.h" +#include "pico_http_util.h" + +#define TRUE 1 +#define FALSE 0 + +#define HTTP_PROTO_TOK "http://" +#define HTTP_PROTO_LEN 7u + +#if defined PICO_SUPPORT_HTTP_CLIENT || defined PICO_SUPPORT_HTTP_SERVER + +int pico_itoaHex(uint16_t port, char * ptr) +{ + int size = 0; + int index; + + // transform to from number to string [ in backwards ] + while(port) + { + ptr[size] = ((port & 0xF) < 10) ? ((port & 0xF) + '0') : ((port & 0xF) - 10 + 'a'); + port = port>>4u; //divide by 16 + size++; + } + + // invert positions + for(index=0 ;index < size>>1u ;index++) + { + char c = ptr[index]; + ptr[index] = ptr[size-index-1]; + ptr[size-index-1] = c; + } + ptr[size] = '\0'; + return size; +} + +int pico_itoa(uint16_t port, char * ptr) +{ + int size = 0; + int index; + + // transform to from number to string [ in backwards ] + while(port) + { + ptr[size] = port%10 + '0'; + port = port/10; + size++; + } + + // invert positions + for(index=0 ;index < size>>1u ;index++) + { + char c = ptr[index]; + ptr[index] = ptr[size-index-1]; + ptr[size-index-1] = c; + } + ptr[size] = '\0'; + return size; +} + + +int pico_processURI(const char * uri, struct pico_http_uri * urikey) +{ + + uint16_t lastIndex = 0, index; + + if(!uri || !urikey || uri[0] == '/') + { + pico_err = PICO_ERR_EINVAL; + goto error; + } + + // detect protocol => search for "://" + if(memcmp(uri,HTTP_PROTO_TOK,HTTP_PROTO_LEN) == 0) // could be optimized + { // protocol identified, it is http + urikey->protoHttp = TRUE; + lastIndex = HTTP_PROTO_LEN; + } + else + { + if(strstr(uri,"://")) // different protocol specified + { + urikey->protoHttp = FALSE; + goto error; + } + // no protocol specified, assuming by default it's http + urikey->protoHttp = TRUE; + } + + // detect hostname + index = lastIndex; + while(uri[index] && uri[index]!='/' && uri[index]!=':') index++; + + if(index == lastIndex) + { + // wrong format + urikey->host = urikey->resource = NULL; + urikey->port = urikey->protoHttp = 0u; + + goto error; + } + else + { + // extract host + urikey->host = (char *)pico_zalloc(index-lastIndex+1); + + if(!urikey->host) + { + // no memory + goto error; + } + memcpy(urikey->host,uri+lastIndex,index-lastIndex); + } + + if(!uri[index]) + { + // nothing specified + urikey->port = 80u; + urikey->resource = pico_zalloc(2u); + urikey->resource[0] = '/'; + return HTTP_RETURN_OK; + } + else if(uri[index] == '/') + { + urikey->port = 80u; + } + else if(uri[index] == ':') + { + urikey->port = 0u; + index++; + while(uri[index] && uri[index]!='/') + { + // should check if every component is a digit + urikey->port = urikey->port*10 + (uri[index] - '0'); + index++; + } + } + + // extract resource + if(!uri[index]) + { + urikey->resource = pico_zalloc(2u); + urikey->resource[0] = '/'; + } + else + { + lastIndex = index; + while(uri[index] && uri[index]!='?' && uri[index]!='&' && uri[index]!='#') index++; + urikey->resource = (char *)pico_zalloc(index-lastIndex+1); + + if(!urikey->resource) + { + // no memory + pico_err = PICO_ERR_ENOMEM; + goto error; + } + + memcpy(urikey->resource,uri+lastIndex,index-lastIndex); + } + + return HTTP_RETURN_OK; + + error : + if(urikey->resource) + { + pico_free(urikey->resource); + urikey->resource = NULL; + } + if(urikey->host) + { + pico_free(urikey->host); + urikey->host = NULL; + } + + return HTTP_RETURN_ERROR; +} +#endif