httpserv.c

picoos源码。The RTOS and the TCP/IP stack will be built automatically.

/*
 *  Copyright (c) 2004, Dennis Kuschel.
 *  All rights reserved. 
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *   3. The name of the author may not be used to endorse or promote
 *      products derived from this software without specific prior written
 *      permission. 
 *
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
 *  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 *  INDIRECT,  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 *  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 *  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 *  OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

/**
 * @file    httpserv.c
 * @author  Dennis Kuschel
 * @brief   Small HTTP server that works on the Windows filesystem.
 *
 * This software is from http://mycpu.mikrocontroller.net.
 * Please send questions and bug reports to [e-mail].
 */

#include "../src/sys.h"
#include "../src/httpd.h"
#include "sys/types.h"
#include "sys/stat.h"

#ifndef NO_EFS
#error The define NO_EFS is not set in the compiler call!
#endif



/*---------------------------------------------------------------------------
 *  FUNCTION PROTOTYPES
 *-------------------------------------------------------------------------*/

/* local */
static DWORD WINAPI  timer_thread(LPVOID arg);
static DWORD WINAPI  http_thread(LPVOID arg);
static void   start_thread(LPTHREAD_START_ROUTINE  function, void* arg);
static sint_t ask(char *question);



/*---------------------------------------------------------------------------
 *  GLOBAL VARIABLES
 *-------------------------------------------------------------------------*/

u32_t   jiffies = 0;
sint_t  stopTimerThread_g;



/*---------------------------------------------------------------------------
 *  IMPLEMENTATION OF FUNCTIONS
 *-------------------------------------------------------------------------*/


static sint_t  ask(char *question)
{
  char inbuf[100];
  do
  {
    printf("%s <Y/N>: ", question);
    gets(inbuf);
  }
  while ((strlen(inbuf) != 1) ||
         ((tolower(inbuf[0]) != 'y') && (tolower(inbuf[0]) != 'n')));
  return (tolower(inbuf[0]) == 'y') ? 1 : 0;
}


/*-------------------------------------------------------------------------*/


static DWORD WINAPI timer_thread(LPVOID arg)
{
  (void) arg;

  SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_HIGHEST);
  while (!stopTimerThread_g)
  {
    sysSleep(10);
    jiffies++;
  }
  return 0;
}


static DWORD WINAPI http_thread(LPVOID arg)
{
  httpd_start((char*) arg, 0, 0);
  return 0;
}


static void start_thread(LPTHREAD_START_ROUTINE  function, void* arg)
{
  DWORD threadid;
  CreateThread(NULL, 0, function, arg, 0, &threadid);
}


/*-------------------------------------------------------------------------*/


int main(int argc, char *argv[])
{
  WORD    wVersionRequested;
  WSADATA wsaData;
  char    path[256];

  /* get HTTP root path from command line */
  if (argc > 1)
  {
    strcpy(path, argv[1]);
  }
  else
  {
    path[0] = 0;
  }

  printf("\nThis is a small HTTP webserver that works on the local filesystem.\n");
  printf("You can specify the servers root path as first parameter to this\n");
  printf("program on the command line.\n");
  printf("The current HTTP root path is:  ");
  if (*path == 0) {
    printf("(current work directory)\n\n");
  } else {
    printf("%s\n\n", path);
  }

  /* initialize the socket layer */
  wVersionRequested = MAKEWORD(2,0);
  if (WSAStartup(wVersionRequested, &wsaData) != 0)
  {
    printf("Sorry, no usable winsock.dll found.\n");
    return 1;
  }
  if ((LOBYTE(wsaData.wVersion) != 2) ||
      (HIBYTE(wsaData.wVersion) != 0))
  {
    printf("Sorry, no usable winsock.dll found.\n");
    WSACleanup();
    return 1; 
  }

  /* create timer thread */
  stopTimerThread_g = 0;
  start_thread(timer_thread, NULL);

  /* start the HTTP demon */
  start_thread(http_thread, path);
  sysSleep(1500);
  if (!httpd_running())
  {
    printf("Failed to start HTTPD, quit.\n");
    return 1;
  }

  while (ask("HTTPD is running, stop now?") == 0);

  printf("\nShutting down HTTPD...");
  if (httpd_stop() == 0) {
    printf(" OK\n");
  } else {
    printf(" FAILED\n");
  }

  /* stop the timer thread */
  stopTimerThread_g = 1;
  sysSleep(20);

  WSACleanup();
  return 0;
}