http_server.c
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
typedef struct sockaddr sockaddr;
typedef struct sockaddr_in sockaddr_in;
int ServerInit(const char *ip, short port)
{
int fd = socket(AF_INET, SOCK_STREAM, 0);
if (fd < 0)
{
perror("socket error");
return -1;
}
sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = inet_addr(ip);
addr.sin_port = htons(port);
int ret = bind(fd, (sockaddr*)&addr, sizeof(addr));
if (ret < 0)
{
perror("bind error");
return -1;
}
ret = listen(fd, 5);
if (ret < 0)
{
perror("listen error");
return -1;
}
return fd;
}
void *ThreadEntry(void *arg)
{
int64_t new_sock = (int64_t)arg;
char buf[1024*10] = {0};
read(new_sock, buf, sizeof(buf) - 1);
printf("[Request]%s\n", buf);
const char *first_line = "HTTP/1.1 200 OK\n";
const char *blank_line = "\n";
const char *body = "<html>hello word</html>";
char header[1024*10] = {0};
sprintf(header, "Content-Type:text/html;\nContent-Length:%lu\n", strlen(body));
write(new_sock, first_line, strlen(first_line));
write(new_sock, header, strlen(header));
write(new_sock, blank_line, strlen(blank_line));
write(new_sock, body, strlen(body));
return NULL;
}
int main(int argc, char *argv[])
{
if (argc != 3)
{
printf("Usage ./http_server [ip] [port]\n");
return 1;
}
int listen_sock = ServerInit(argv[1], atoi(argv[2]));
if (listen_sock < 0)
{
printf("ServerInit failed\n");
return 1;
}
printf("ServerInit OK\n");
while (1)
{
sockaddr_in peer;
socklen_t len = sizeof(peer);
int64_t new_sock = accept(listen_sock, (sockaddr*)&peer, &len);
if (new_sock < 0)
{
perror("accept error");
continue;
}
pthread_t tid;
pthread_create(&tid, NULL, ThreadEntry, (void *)new_sock);
pthread_detach(tid);
}
return 0;
}Makefile：
http_server:http_server.c
gcc http_server.c -o http_server -lpthread
.PHONY:clean
clean:
rm -f http_server