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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 readbuf[CFWS_MAXREAD];
struct http_request req;
char *filepath;
enum http_res_code res_code;
enum serve_method method;
/* Read and parse the HTTP request */
memset(readbuf, 0, CFWS_MAXREAD);
read(connfd, readbuf, CFWS_MAXREAD - 1);
req = http_parse_request(readbuf);
/* Get the local file path for the given URI. */
filepath = file_path_for_uri(req.uri);
printf("GET %s : %s\n", req.uri, filepath);
/* Determine the method that should be used to serve this file */
method = file_method_for_path(filepath, &res_code);
/* Write the HTTP response status and any required headers */
http_response_statusline(res_code, connfd);
/* Use the chosen method to fill in the rest of the response */
switch (method) {
case SERVE_METHOD_FILE:
file_read(filepath, connfd);
break;
case SERVE_METHOD_PHP:
file_read_php(filepath, connfd);
break;
case SERVE_METHOD_ERROR: {
const char *errmsg = "Content-Type: text/plain\r\n\r\nEpic fail";
write(connfd, errmsg, strlen(errmsg));
break;
}
}
free(filepath);
http_free_request(&req);
}
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