request.h

基于linux的http服务器．代码比较简单

/*  Monkey HTTP Daemon v0.1.1 by EdsipeR ([e-mail])
 *  --------------------------------------------------------------
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Library General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include <unistd.h>

#include "method.h"
#include "mimetype.h"

int request(int remote_fd) {
	
	int  num_bytes,i=0;
	char remote_request[1024];
	char *aux_request, *method=0;

	FILE *file_request;
	
	/* Reciviendo Peticion */
	if((num_bytes=recv(remote_fd,remote_request,1024,0))==-1) {
		perror("recv");
		return;
	}
	
	for(i=0; i<255 && remote_request[i]!='\0'; i++)
	  if(remote_request[i] == '\n' || remote_request[i] == '\r')
	 	   remote_request[i]='\0';

	method      = strtok(remote_request, "\"\t ");
	aux_request = strtok(NULL, "\"\t ");

	strtok(aux_request,"?");
	puts(method);

	/* Verificacion de Method */
	if(strcmp(method,"GET")!=0) {
		requesterror(remote_fd,file_request,405);
	}
	else {
		get_method(remote_fd,aux_request,num_bytes,file_request);
	}	

	close(remote_fd);
	return;
}

/* Manejo de errores en peticiones */
int requesterror(int remote_fd, FILE *file_request, int num_error) {

	int num_bytes;
	char buffer[255];
	
	switch(num_error) {

	    	  case 404:  
    			  		send(remote_fd, "HTTP/1.1 404 Not Found\n\n", 24, 0);
	  	   			 if( (file_request=fopen(FILE404,"r"))!=NULL){	
     	 	  			 while(!feof(file_request)) {
	     	 	  			 num_bytes = fread(buffer, 1, 255, file_request);
				   	  		send(remote_fd,buffer,num_bytes,0);
  				  		 }
	   	               }			 	 	
  						puts("Error 404 : Archivo no encontrado\n\n");
     	     			break;

    		  case 405:   
    		  			send(remote_fd, "HTTP/1.1 405 Method Not Allowed\n\n", 33, 0);
      	   			 if( (file_request=fopen(FILE405,"r"))!=NULL){	
     	 	  			 while(!feof(file_request)) {
	     	 	  			 num_bytes = fread(buffer, 1, 255, file_request);
				   	  		send(remote_fd,buffer,num_bytes,0);
  				  		 }
	   	               }			 	 		
						  puts("Error 405 : Metodo no implementado\n\n");
						  break;	    		  
    }

	return;
}