From 3de78a863a14104a43cdb575dfc586fce3a8129b Mon Sep 17 00:00:00 2001
From: alex <alex@infiniteadaptability.org>
Date: Wed, 19 Jan 2022 00:30:47 -0800
Subject: [PATCH] ...

---
 Makefile.am     |  4 +--
 inc/main.h      |  2 +-
 inc/net.h       | 14 +++++++++
 inc/server.h    |  6 ----
 inc/shutdown.h  |  2 +-
 src/main.c      |  4 +--
 src/net/start.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/shutdown.c  |  4 +--
 8 files changed, 100 insertions(+), 15 deletions(-)
 create mode 100644 inc/net.h
 delete mode 100644 inc/server.h
 create mode 100644 src/net/start.c

diff --git a/Makefile.am b/Makefile.am
index b1672fa..49ef6d5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -33,6 +33,7 @@ seederd_SOURCES = \
 	src/log.c \
 	src/main.c \
 	src/meta.c \
+	src/net/start.c \
 	src/opt/config.c \
 	src/opt/env.c \
 	src/opt/feed.c \
@@ -49,7 +50,6 @@ seederd_SOURCES = \
 	src/rss/header.c \
 	src/rss/info.c \
 	src/rss/init.c \
-	src/server/start.c \
 	src/session.c \
 	src/setup.c \
 	src/shutdown.c \
@@ -80,9 +80,9 @@ seederd_SOURCES += \
 	inc/log.h \
 	inc/main.h \
 	inc/meta.h \
+	inc/net.h \
 	inc/opt.h \
 	inc/rss.h \
-	inc/server.h \
 	inc/session.h \
 	inc/setup.h \
 	inc/shutdown.h \
diff --git a/inc/main.h b/inc/main.h
index 7953f8a..c5828ce 100644
--- a/inc/main.h
+++ b/inc/main.h
@@ -6,7 +6,7 @@
 #include<add.h>
 #include<feed.h>
 #include<init.h>
-#include<server.h>
+#include<net.h>
 #include<watch.h>
 
 int main(int,char**);
diff --git a/inc/net.h b/inc/net.h
new file mode 100644
index 0000000..b90aea5
--- /dev/null
+++ b/inc/net.h
@@ -0,0 +1,14 @@
+#ifndef __NET_H_
+#define __NET_H_
+
+#include<netdb.h>
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+#include<sys/types.h>
+#include<sys/socket.h>
+#include<unistd.h>
+
+int start();
+
+#endif
diff --git a/inc/server.h b/inc/server.h
deleted file mode 100644
index 00d87c9..0000000
--- a/inc/server.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __SERVER_H_
-#define __SERVER_H_
-
-int server_start();
-
-#endif
diff --git a/inc/shutdown.h b/inc/shutdown.h
index d60cfdb..60ca25a 100644
--- a/inc/shutdown.h
+++ b/inc/shutdown.h
@@ -12,6 +12,6 @@
 #define SHUTDOWN_MESSAGE_LOGGING_SUCCESS "shutdown logging thread successfully\n"
 
 int shutdown_register();
-void shutdown();
+void shutdown_all();
 
 #endif
diff --git a/src/main.c b/src/main.c
index d5e4df7..4f88989 100644
--- a/src/main.c
+++ b/src/main.c
@@ -9,9 +9,7 @@ int main(int argc, char **argv) {
 	if(feeds()<0) { return EXIT_FAILURE; }
 	if(watch()<0) { return EXIT_FAILURE; }
 
-	while(1) { }
-
-	if(server_start()<0) { return EXIT_FAILURE; }
+	if(start()<0) { return EXIT_FAILURE; }
 
 	return EXIT_SUCCESS;
 }
diff --git a/src/net/start.c b/src/net/start.c
new file mode 100644
index 0000000..a4c7dc7
--- /dev/null
+++ b/src/net/start.c
@@ -0,0 +1,79 @@
+#include<net.h>
+
+#define MAX_BACKLOG 10
+
+static int listen_sock();
+static int tcp();
+static int udp();
+
+#define HINTS_INIT(hints,socktype) { \
+	memset(&hints,0,sizeof(struct addrinfo)); \
+\
+	hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */ \
+	hints.ai_socktype = socktype; /*  */ \
+	hints.ai_flags = AI_PASSIVE; /* For wildcard IP address */ \
+	hints.ai_protocol = 0; \
+	hints.ai_canonname = NULL; \
+	hints.ai_addr = NULL; \
+	hints.ai_next = NULL; \
+}
+
+static int tcp() {
+	struct addrinfo hints;
+	int sock_fd;
+
+	HINTS_INIT(hints,SOCK_STREAM);
+	sock_fd = listen_sock(&hints);
+	if(sock_fd<0) { return -1; }
+
+	return 1;
+}
+
+static int udp() {
+	struct addrinfo hints;
+	int sock_fd;
+
+	HINTS_INIT(hints,SOCK_DGRAM);
+	sock_fd = listen_sock(&hints);
+	if(sock_fd<0) { return -1; }
+
+	return 1;
+}
+
+
+int start() {
+	if(tcp()<0) { return -1; }
+	if(udp()<0) { return -1; }
+
+	return 1;
+}
+
+static int listen_sock(struct addrinfo *hints) {
+	struct addrinfo *p, *res;
+	int sock_fd;
+
+	if(getaddrinfo(NULL,"5150",hints,&res)!=0) {
+		perror("getaddrinfo");
+		return -1;
+	}
+
+	for(p=res;p!=NULL;p=p->ai_next) {
+		sock_fd = socket(p->ai_family,p->ai_socktype,p->ai_protocol);
+		if(sock_fd<0) { continue; }
+
+		if(bind(sock_fd,p->ai_addr,p->ai_addrlen)==0) { break; /* Success */ }
+
+		close(sock_fd);
+	}
+
+	free(res);
+
+	if(p==NULL) { return -1; }
+
+	if(listen(sock_fd,MAX_BACKLOG)!=0) {
+		perror("listen");
+		return -1;
+	}
+
+	return sock_fd;
+}
diff --git a/src/shutdown.c b/src/shutdown.c
index 445d67f..47ad443 100644
--- a/src/shutdown.c
+++ b/src/shutdown.c
@@ -3,7 +3,7 @@
 static void shutdown_logging();
 
 int shutdown_register() {
-	if(0!=atexit(&shutdown)) {
+	if(0!=atexit(&shutdown_all)) {
 		perror("atexit");
 		return -1;
 	}
@@ -11,7 +11,7 @@ int shutdown_register() {
 	return 1;
 }
 
-void shutdown() {
+void shutdown_all() {
 	shutdown_logging();
 
 	log_msg(SHUTDOWN_MESSAGE_COMPLETE);
-- 
2.39.5