diff options
Diffstat (limited to 'setup.cpp')
-rw-r--r-- | setup.cpp | 84 |
1 files changed, 81 insertions, 3 deletions
@@ -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; } |