119 lines
4 KiB
C
119 lines
4 KiB
C
/*
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* Copyright (c) 2012, Thingsquare, http://www.thingsquare.com/.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "contiki-net.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define SERVER_PORT 80
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static struct tcp_socket socket;
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#define INPUTBUFSIZE 400
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static uint8_t inputbuf[INPUTBUFSIZE];
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#define OUTPUTBUFSIZE 400
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static uint8_t outputbuf[OUTPUTBUFSIZE];
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PROCESS(tcp_server_process, "TCP echo process");
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AUTOSTART_PROCESSES(&tcp_server_process);
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static uint8_t get_received;
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static int bytes_to_send;
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/*---------------------------------------------------------------------------*/
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static int
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input(struct tcp_socket *s, void *ptr,
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const uint8_t *inputptr, int inputdatalen)
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{
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printf("input %d bytes '%s'\n", inputdatalen, inputptr);
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if(!get_received) {
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/* See if we have a full GET request in the buffer. */
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if(strncmp((char *)inputptr, "GET /", 5) == 0 &&
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atoi((char *)&inputptr[5]) != 0) {
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bytes_to_send = atoi((char *)&inputptr[5]);
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printf("bytes_to_send %d\n", bytes_to_send);
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return 0;
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}
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printf("inputptr '%.*s'\n", inputdatalen, inputptr);
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/* Return the number of data bytes we received, to keep them all
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in the buffer. */
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return inputdatalen;
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} else {
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/* Discard everything */
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return 0; /* all data consumed */
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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event(struct tcp_socket *s, void *ptr,
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tcp_socket_event_t ev)
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{
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printf("event %d\n", ev);
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(tcp_server_process, ev, data)
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{
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PROCESS_BEGIN();
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tcp_socket_register(&socket, NULL,
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inputbuf, sizeof(inputbuf),
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outputbuf, sizeof(outputbuf),
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input, event);
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tcp_socket_listen(&socket, SERVER_PORT);
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printf("Listening on %d\n", SERVER_PORT);
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while(1) {
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PROCESS_PAUSE();
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if(bytes_to_send > 0) {
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/* Send header */
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printf("sending header\n");
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tcp_socket_send_str(&socket, "HTTP/1.0 200 ok\r\nServer: Contiki tcp-socket example\r\n\r\n");
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/* Send data */
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printf("sending data\n");
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while(bytes_to_send > 0) {
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PROCESS_PAUSE();
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int len, tosend;
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#define MIN(a,b) ((a)<(b)?(a):(b))
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tosend = MIN(bytes_to_send, sizeof(outputbuf));
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len = tcp_socket_send(&socket, (uint8_t *)"", tosend);
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bytes_to_send -= len;
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}
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tcp_socket_close(&socket);
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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