From f3ab0863404a8eb723ad09756a5aa53d054a0160 Mon Sep 17 00:00:00 2001
From: Syndamia <kamen@syndamia.com>
Date: Mon, 1 Jan 2024 19:04:17 +0200
Subject: [server] Implemented ability to change host and port with arguments

---
 server.c | 25 +++++++++++++++++++++----
 util.c   |  9 +++++++++
 util.h   |  1 +
 3 files changed, 31 insertions(+), 4 deletions(-)

diff --git a/server.c b/server.c
index 8d04c1c..da503ab 100644
--- a/server.c
+++ b/server.c
@@ -59,22 +59,39 @@ void handler_refuseConnections(int signum) {
 }
 
 int main(int argc, char* argv[]) {
+	/*
+	 * Get server parameters
+	 */
+
+	sds host = sdsnew("127.0.0.1");
+	sds port = sdsnew("8080");
+
+	int argvOffset = 1;
+	if (charCount(argv[1], ',') == 1) {
+		argvOffset++;
+		char* sep = strchr(argv[1], ',');
+		sdsfree(host);
+		host = sdsnewlen(argv[1], sep - argv[1]);
+		sdsfree(port);
+		port = sdsnew(sep + 1);
+	}
+
 	/*
 	 * Get hosts
 	 */
 
-	int vhostsc = argc - 1;
+	int vhostsc = argc - argvOffset;
 	sds **vhosts = malloc(vhostsc * sizeof(sds*));
 	for (int i = 0, temp = 0; i < vhostsc; i++) {
-		vhosts[i] = sdssplitlen(argv[i+1], strlen(argv[i+1]), ",", 1, &temp);
+		vhosts[i] = sdssplitlen(argv[i+argvOffset], strlen(argv[i+argvOffset]), ",", 1, &temp);
 	}
 	
 	/*
 	 * Create socket for accepting connections
 	 */
 	
-	int fd_socket = createCommunicationSocket("127.0.0.1", "8080");
-	printf("Listening on %s:%s\n", "127.0.0.1", "8080");
+	int fd_socket = createCommunicationSocket(host, port);
+	printf("Listening on %s:%s\n", host, port);
 
 	/*
 	 * Server command-line interface
diff --git a/util.c b/util.c
index 5f847fa..822a4d2 100644
--- a/util.c
+++ b/util.c
@@ -169,3 +169,12 @@ int isNumber(char* str) {
 	}
 	return 1;
 }
+
+int charCount(char* str, char cmp) {
+	int count = 0;
+	while (*str != '\0') {
+		count += *str == cmp;
+		str++;
+	}
+	return count;
+}
diff --git a/util.h b/util.h
index e632578..b2836eb 100644
--- a/util.h
+++ b/util.h
@@ -24,5 +24,6 @@ int digits(int num);
 int streq(const char* first, const char* second);
 void shiftLeft(char* str, size_t size, size_t shift);
 int isNumber(char* str);
+int charCount(char* str, char cmp);
 
 #endif
-- 
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