From 00a8022cfd93addc2f70d36da3deac9238a5257a Mon Sep 17 00:00:00 2001
From: asus <asus@example.com>
Date: Wed, 8 Feb 2023 14:07:06 +0100
Subject: [PATCH] wip building base socket loop

---
 a.out       | Bin 16328 -> 16488 bytes
 mini_serv.c |  78 +++++++++++++++++++++++-----------------------------
 2 files changed, 35 insertions(+), 43 deletions(-)

diff --git a/a.out b/a.out
index b44fe3b9411664bd27ce0b924a89df73bf8dbcb3..6f869709052bae119aa79a41a867c7cc392c613d 100755
GIT binary patch
delta 3322
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diff --git a/mini_serv.c b/mini_serv.c
index bdd71b7..8028920 100644
--- a/mini_serv.c
+++ b/mini_serv.c
@@ -33,55 +33,47 @@ void putstr(int fd, char *str) {
 	write(fd, str, strlen(str));
 }
 
-void error(char *str, int code) {
+void error(char *str) {
 	putstr(2, str);
-	exit(code);
+	exit(1);
 }
 
 int main(int ac, char **av) {
-	int port;
-	int sockfd;
-//	int connfd;
-//	int len;
-	struct sockaddr_in servaddr;
-//	struct cli;
+	int									port;
+	int									server_fd;
+	int									client_fd;
+	char								buf[1024];
+	struct sockaddr_in	addr;
+	socklen_t						len;
+	fd_set							fds;
 
-	if (ac < 1)
-		error("Wrong number of arguments\n", 1);
-	port = atoi(av[1]);
-	if (port == -1)
-		error("Fatal error\n", 1);
+	if (ac != 2)
+		error("Wrong number of arguments\n");
+	if ( (port = atoi(av[1])) == -1)
+		error("Fatal error\n");
 
-	// socket create and verification
-	sockfd = socket(AF_INET, SOCK_STREAM, 0);
-	if (sockfd == -1)
-		error("socket creation failed...\n", 0);
-	else
-		putstr(1, "Socket successfully created..\n");
-	bzero(&servaddr, sizeof(servaddr));
+	if ( (server_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
+		error("Fatal error\n");
+	bzero(&addr, sizeof(addr));
+	addr.sin_family = AF_INET;
+	addr.sin_addr.s_addr = htonl(2130706433); //127.0.0.1
+	addr.sin_port = htons(port);
 
-	// assign IP, PORT
-	servaddr.sin_family = AF_INET;
-	servaddr.sin_addr.s_addr = htonl(2130706433); //127.0.0.1
-	servaddr.sin_port = htons(8081);
+	len = sizeof(addr);
+	if (bind(server_fd, (const struct sockaddr *)&addr, len) == -1)
+		error("Fatal error\n");
+	if (listen(server_fd, 10) == -1)
+		error("Fatal error\n");
 
-//	// Binding newly created socket to given IP and verification
-//	if ((bind(sockfd, (const struct sockaddr *)&servaddr, sizeof(servaddr))) != 0) {
-//		printf("socket bind failed...\n");
-//		exit(0);
-//	}
-//	else
-//		printf("Socket successfully binded..\n");
-//	if (listen(sockfd, 10) != 0) {
-//		printf("cannot listen\n");
-//		exit(0);
-//	}
-//	len = sizeof(cli);
-//	connfd = accept(sockfd, (struct sockaddr *)&cli, &len);
-//	if (connfd < 0) {
-//		printf("server acccept failed...\n");
-//		exit(0);
-//	}
-//	else
-//		printf("server acccept the client...\n");
+	while (1) {
+		if ( (client_fd = accept(server_fd, (struct sockaddr *)&addr, &len)) == -1)
+			error("Fatal error\n");
+		FD_ZERO(&fds);
+		FD_SET(client_fd, &fds);
+		select(client_fd + 1, &fds, NULL, NULL, NULL);
+		if (FD_ISSET(client_fd, &fds))
+			recv(client_fd, buf, 1024, 0);
+	}
+	return (0);
 }
+