It's not necessary to use EPOLL_CTL_DEL after close()

auth-server.cc

@@ -1,5 +1,7 @@
+#include <fstream>
 #include <iostream>
 
+#include <getopt.h>
 #include <netinet/in.h>
 #include <stdio.h>
 #include <string.h>
@@ -8,7 +10,33 @@
 
 #include "crypto.h"
 
-int main() {
+static const struct option long_options[] = {
+	{"secret_key_filename", required_argument, NULL, 's'},
+};
+
+int main(int argc, char *argv[]) {
+	std::string secret_key_filename;
+	{
+		int option, option_index;
+		while ((option = getopt_long(argc, argv, "s:", long_options, &option_index)) != -1) {
+			switch (option) {
+				case 's':
+					secret_key_filename = optarg;
+					break;
+			}
+		}
+	}
+
+	std::string secret_key;
+	{
+		std::fstream secret_key_file(secret_key_filename, std::fstream::in);
+		if (secret_key_file.fail()) {
+			std::cerr << "Failed to open secret key file" << std::endl;
+			return 1;
+		}
+		secret_key_file >> secret_key;
+	}
+
 	int fd = socket(PF_INET6, SOCK_STREAM, 0);
 
 	int optval = 1;
@@ -29,6 +57,6 @@ int main() {
 		return 1;
 	}
 
-	CryptoPubServer server(fd, "abcde");
+	CryptoPubServer server(fd, secret_key);
 	server.Loop();
 }