http_parse.c~

实现了一个简单的web服务器

#include <stdlib.h>
#include "server.h"


void parse(char *buf,HTTP_REQ *http_req) {
  	char *tmp;
	char *http_header;//包括文件名和参数
	char *params;//所有参数
	char *arg;
	char *value;
	char *type;
	int i=0;
	int no_param=0;

	memset(http_req,'\0',sizeof(http_req));

	http_header = buf + 5;
  	tmp = strstr(http_header, " HTTP");
  	if (tmp != NULL) 
		*tmp='\0';
	if (DEBUG) 
		printf("http header: %s\n", http_header);

	tmp=strstr(http_header,"?");
	if(tmp!=NULL) {
		printf("tmp %s\n",tmp);
		*tmp='\0';
		params=tmp+1;
	}
	else {
		no_param=1;
	}
      tmp=strstr(http_header,".");
	if(tmp!=NULL) {
		printf("tmp %s\n",tmp);
		*tmp='\0';
		type=tmp+1;
	}
	strcpy(http_req->req_url,http_header);
      strcpy(http_req->req_type,type);
	if (DEBUG) {
		printf("http header URL: %s\n", http_req->req_url);
		printf("http header type: %s\n", http_req->req_type);
		if(!no_param) printf("params %s\n",params);
	}
 
	if(!no_param) {
		// 提取各参数
		i=0;
		do {
			arg=params;
			tmp=strstr(params,"&");
			if(tmp==NULL) {
				tmp=strstr(arg,"=");
				if(tmp!=NULL) {
					*tmp='\0';
					value=tmp+1;

					strcpy(http_req->params[i].name,arg);
					if (DEBUG) 
						printf("http header param name: %s\n", http_req->params[i].name);

 				 	strcpy(http_req->params[i].value,value);
					if (DEBUG) 
						printf("http header param value: %s\n", http_req->params[i].value);

					http_req->param_count=i+1;

					break;
				}
			}
			else if(tmp!=NULL) {
				*tmp='\0';
				params=tmp+1;

				tmp=strstr(arg,"=");
				if(tmp!=NULL) {
					*tmp='\0';
					value=tmp+1;

					strcpy(http_req->params[i].name,arg);
					if (DEBUG) 
						printf("http header param name: %s\n", http_req->params[i].name);

 				 	strcpy(http_req->params[i].value,value);
					if (DEBUG) 
						printf("http header param value: %s\n", http_req->params[i].value);

					i++;
				}
			}
		}while(i<MAX_PARAMS);
	}
	
}