C语言写的HTTPServer，其他浏览器可以正常访问，但chrome不行
0
[待解决问题]
以下代码在火狐和edge上均没有问题，但是在chorme浏览器上有问题，页面无法加载，甚至会直接把server端给宕掉。不知道什么原因
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <pthread.h>
#define BUF_SIZE 1024
#define SMALL_BUF 100
void* request_handler(void *arg);
void send_data(FILE* fp, char* ct, char* file_name);
char* content_type(char *file);
void* send_error(FILE* fp);
void error_handling(char *msg);
int main(int argc, char *argv[])
{
if(argc != 2){
printf("Usage : %s <port> \n", argv[0]);
exit(1);
}
int serv_sock, clnt_sock;
serv_sock = socket(PF_INET, SOCK_STREAM, 0);
struct sockaddr_in serv_adr, clnt_adr;
memset(&serv_adr, 0, sizeof(serv_sock));
serv_adr.sin_addr.s_addr =htonl(INADDR_ANY);
serv_adr.sin_family = AF_INET;
serv_adr.sin_port = htons(atoi(argv[1]));
if(bind(serv_sock, (struct sockaddr*)&serv_adr, sizeof(serv_adr)) == -1){
error_handling("bind() error");
}
if(listen(serv_sock, 5) == -1){
error_handling("listen() error");
}
socklen_t clnt_len;
pthread_t t_id;
while(1){
clnt_len = sizeof(clnt_adr);
clnt_sock = accept(serv_sock, (struct sockaddr*)&clnt_adr, &clnt_len);
printf("Connected request: %s %d\n", inet_ntoa(clnt_adr.sin_addr), ntohs(clnt_adr.sin_port));
pthread_create(&t_id, NULL, request_handler, &clnt_sock);
pthread_detach(t_id);
}
close(serv_sock);
return 0;
}
void* request_handler(void *arg){
int clnt_sock = *((int*)arg);
char req_line[SMALL_BUF];
FILE* clnt_read;
FILE* clnt_write;
char method[10];
char ct[15];
char file_name[30];
clnt_read = fdopen(clnt_sock, "r");
clnt_write = fdopen(dup(clnt_sock),"w");
fgets(req_line, SMALL_BUF, clnt_read);
if(strstr(req_line, "HTTP/") == NULL){
send_error(clnt_write);
fclose(clnt_read);
fclose(clnt_write);
return NULL;
}
//strtok参数req_line指向欲分割的字符串，参数\则为分割字符串中包含的所有字符。
strcpy(method, strtok(req_line, "/"));
//s为空值NULL，则函数保存的指针SAVE_PTR在下一次调用中将作为起始位置。
strcpy(file_name, strtok(NULL, " "));
strcpy(ct, content_type(file_name));
if(strcmp(method, "GET ") != 0){
send_error(clnt_write);
fclose(clnt_read);
fclose(clnt_write);
return NULL;
}
fclose(clnt_read);
send_data(clnt_write, ct, file_name);
}
void error_handling(char *msg){
fputs(msg, stderr);
fputc('\n', stderr);
exit(1);
}
void send_data(FILE* fp, char * ct, char* file_name){
//状态行
char protocol[] ="HTTP/1.0 200 OK\r\n";
//消息头
char server[] = "Server:Linux Web Server \r\n"; //服务器名称
char cnt_len[] = "Content-length:2048 \r\n";
char cnt_type[SMALL_BUF];
char buf[BUF_SIZE];
FILE* send_file;
sprintf(cnt_type, "Content-type:%s;charset=utf-8\r\n\r\n", ct);
printf("\nfile_name...%s...\n",file_name);
send_file = fopen(file_name, "r");
if(send_file == NULL){
send_error(fp);
return;
}
/*传输头信息*/
fputs(protocol, fp);
fputs(server,fp);
fputs(cnt_len, fp);
fputs(cnt_type, fp);
/*传输请求数据*/
while(fgets(buf, BUF_SIZE, send_file) != NULL) {
fputs(buf, fp);
printf("........%s.........\n", buf);
fflush(fp);
printf("00000\n");
}
printf("1111\n");
fflush(fp);
fclose(fp);
}
void* send_error(FILE* fp){
char protocol[] = "HTTP/1.0 400 Bad Request\r\n";
char server[] = "Server:Linux Web Server \r\n"; //服务器名称
char cnt_len[] = "Content-length:2048 \r\n";
char cnt_type[] = "Content-type:text/html;charset=utf-8\r\n\r\n";
char buf[] = "<html><head><title>Network</title></head><body><h1>发生错误，查看请求文件名和请求方式！</h1></body></html>";
fputs(protocol, fp);
fputs(server, fp);
fputs(cnt_len, fp);
fputs(cnt_type, fp);
fputs(buf, fp);
fflush(fp);
}
char* content_type(char *file){
char externsion[SMALL_BUF];
char file_name[SMALL_BUF];
strcpy(file_name, file);
strtok(file_name, ".");
strcpy(externsion, strtok(NULL, "."));
if(!strcmp(externsion, "html")|| !strcmp(externsion, "htm")){
return "text/html"; //将文件的content-type设置为text/html的形式，浏览器在获取到这种文件时会自动调用html的解析器对文件进行相应的处理。
}else{
return "text/plain"; //文件设置为纯文本的形式，浏览器在获取到这种文件时并不会对其进行处理。
}
}
