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#include "net.h"
#include <arpa/inet.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
#include "file.h"
#include "http.h"
int initialize_server(int port)
{
struct sockaddr_in addr;
int rc;
int sockopts = 1;
int sockfd;
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd == -1) {
perror("Failed to create server socket");
return -1;
}
/* Allow the port to be reused, prevents errors when quickly starting
* and restarting the server. */
/* TODO: Also use SO_REUSEPORT? */
setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &sockopts, sizeof(int));
memset(&addr, 0, sizeof(struct sockaddr_in));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = htons(port);
rc = bind(sockfd, (struct sockaddr*)&addr, sizeof(struct sockaddr));
if (rc == -1) {
perror("Failed to bind server socket");
return -1;
}
rc = listen(sockfd, CFWS_MAXCONN);
if (rc == -1) {
perror("Failed to listen on server socket");
return -1;
}
return sockfd;
}
void handle_connection(int connfd)
{
char *content_buf;
size_t content_len, response_len;
char resbuf[CFWS_MAX_RESPONSE];
char readbuf[CFWS_MAXREAD];
struct http_request req;
memset(readbuf, 0, CFWS_MAXREAD);
read(connfd, readbuf, CFWS_MAXREAD - 1);
req = http_parse_request(readbuf);
content_len = file_read(req.uri, &content_buf);
if (content_len == 0) {
const char *msg = "Could not find the specified file.";
response_len = http_build_response(resbuf,
HTTP_RESPONSE_NOTFOUND, msg, strlen(msg));
} else {
response_len = http_build_response(resbuf, HTTP_RESPONSE_OK,
content_buf, content_len);
free(content_buf);
}
write(connfd, resbuf, response_len);
http_free_request(&req);
}
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