From 68815423f7e6ebd3c1a84356f6c8a830a59f366c Mon Sep 17 00:00:00 2001
From: Sascha Volkenandt <sascha (at) akv-soft (dot) de>
Date: Tue, 2 Jan 2007 21:09:12 +0000
Subject: - added options -i and -p to specify port and (possibly multiple)
 ip(s) - moved commandline-helpstring to setup class to ease maintaining -
 added default library directory /usr/local/lib

---
 setup.cpp | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 81 insertions(+), 3 deletions(-)

(limited to 'setup.cpp')

diff --git a/setup.cpp b/setup.cpp
index ab518dc..538d2c8 100644
--- a/setup.cpp
+++ b/setup.cpp
@@ -1,26 +1,104 @@
+#include <cerrno>
+#include <cstdlib>
+#include <cstring>
+#include <algorithm>
+#include <functional>
+#include <iostream>
+#include <numeric>
+#include <sstream>
 #include <getopt.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <vdr/tools.h>
 #include "setup.h"
 
 namespace vdrlive {
 
-Setup::Setup()
+using namespace std;
+
+Setup::Setup():
+		m_libraryPath( "/usr/local/lib" ),
+		m_serverPort( 8001 )
 {
 }
 
 bool Setup::Parse( int argc, char* argv[] )
 {
 	static struct option opts[] = {
-			{ "lib", required_argument, NULL, 'L' },
+			{ "lib",  required_argument, NULL, 'L' },
+			{ "port", required_argument, NULL, 'p' },
+			{ "ip",   required_argument, NULL, 'i' },
 			{ 0 }
 	};
 
 	int optchar, optind = 0;
-	while ( ( optchar = getopt_long( argc, argv, "L:", opts, &optind ) ) != -1 ) {
+	while ( ( optchar = getopt_long( argc, argv, "L:p:i:", opts, &optind ) ) != -1 ) {
 		switch ( optchar ) {
 		case 'L': m_libraryPath = optarg; break;
+		case 'p': m_serverPort = atoi( optarg ); break;
+		case 'i': m_serverIps.push_back( optarg ); break;
 		default:  return false;
 		}
 	}
+
+	return CheckLibraryPath() &&
+		   CheckServerPort() &&
+		   CheckServerIps();
+}
+
+char const* Setup::Help() const
+{
+	if ( m_helpString.empty() ) {
+		ostringstream builder;
+		builder << "  -L DIR,   --lib=DIR       libtnt-live.so will be searched in DIR\n"
+				   "                            (default: " << m_libraryPath << ")\n"
+				<< "  -p PORT,  --port=PORT     use PORT to listen for incoming\n"
+				   "                            connections (default: " << m_serverPort << ")\n"
+				<< "  -i IP,    --ip=IP         bind server only to specified IP, can\n"
+				   "                            appear multiple times\n"
+				   "                            (default: 0.0.0.0)\n";
+		m_helpString = builder.str();
+	}
+	return m_helpString.c_str();
+}
+
+bool Setup::CheckLibraryPath()
+{
+	ostringstream builder;
+	builder << m_libraryPath << "/libtnt-live.so";
+	if ( access( builder.str().c_str(), R_OK ) != 0 ) {
+		esyslog( "ERROR: live can't open content library %s: %s", builder.str().c_str(), strerror( errno ) );
+		cerr << "ERROR: live can't open content library " << builder << ": " << strerror( errno ) << endl;
+		return false;
+	}
+	return true;
+}
+
+bool Setup::CheckServerPort()
+{
+	if ( m_serverPort <= 0 || m_serverPort > numeric_limits< uint16_t >::max() ) {
+		esyslog( "ERROR: live server port %d is not a valid port number", m_serverPort );
+		cerr << "ERROR: live server port " << m_serverPort << " is not a valid port number" << endl;
+		return false;
+	}
+	return true;
+}
+
+bool Setup::CheckServerIps()
+{
+	if ( m_serverIps.empty() ) {
+		m_serverIps.push_back( "0.0.0.0" );
+		return true;
+	}
+
+	for ( IpList::const_iterator ip = m_serverIps.begin(); ip != m_serverIps.end(); ++ip ) {
+		if ( inet_addr( ip->c_str() ) == static_cast< in_addr_t >( -1 ) ) {
+			esyslog( "ERROR: live server ip %s is not a valid ip address", ip->c_str() );
+			cerr << "ERROR: live server ip " << *ip << " is not a valid ip address" << endl;
+			return false;
+		}
+	}
 	return true;
 }
 
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