From beb8db73aadbd7d0464f1530ef86c961bc1aa2a0 Mon Sep 17 00:00:00 2001
From: cflip <cflip@cflip.net>
Date: Sat, 27 May 2023 12:08:00 -0600
Subject: Split cfws.c into multiple files

---
 net.c | 81 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 net.c

(limited to 'net.c')

diff --git a/net.c b/net.c
new file mode 100644
index 0000000..e13d664
--- /dev/null
+++ b/net.c
@@ -0,0 +1,81 @@
+#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);
+}
-- 
cgit v1.2.3