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#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 {
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' },
{ "port", required_argument, NULL, 'p' },
{ "ip", required_argument, NULL, 'i' },
{ 0 }
};
int optchar, optind = 0;
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;
}
Setup& Setup::Get()
{
static Setup instance;
return instance;
}
} // namespace vdrlive
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