Messy starting point. But it works
This commit is contained in:
7
Makefile
7
Makefile
@ -1,9 +1,12 @@
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CXXFLAGS+= -std=c++23
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LDLIBS+= -lalepha
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LDFLAGS+= -L Alepha/build-debug -Wl,-rpath,/home/user/proj/ipam/Alepha/build-debug
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CPPFLAGS+= -I .
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CPPFLAGS+= -I . -g -O0
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all: test
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all: test ipam
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test: ipam
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./ipam
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clean:
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${RM} ipam
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122
ipam.cc
122
ipam.cc
@ -7,10 +7,13 @@
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#include <boost/asio/ip/network_v6.hpp>
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#include <Alepha/IOStreams/Streamable.h>
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#include <Alepha/IOStreams/String.h>
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namespace asio= boost::asio;
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namespace ip= asio::ip;
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using Alepha::IOStreams::Str;
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template< typename= Alepha::Capabilities< Alepha::IOStreams::Streamable > >
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struct Allocation_core;
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@ -27,7 +30,13 @@ struct IP_Address : ip::network_v6
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{
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std::string s;
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is >> s;
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std::cerr << "Network string: " << s << std::endl;
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if( not s.contains( '/' ) )
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{
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throw std::runtime_error{ "No subnet mask detected. Did you forget a `/`?" };
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}
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a= ip::make_network_v6( s );
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std::cerr << "Parsed into: `" << a << std::endl;
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return is;
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}
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@ -36,12 +45,17 @@ struct IP_Address : ip::network_v6
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template< typename >
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struct Allocation_core
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{
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ip::network_v6 network;
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IP_Address network;
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std::string owner;
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std::string name;
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std::string purpose;
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std::string country;
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std::string region;
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std::string city;
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std::string postal;
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std::vector< Allocation > subAllocations() const;
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std::vector< Allocation > available() const;
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};
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@ -85,6 +99,10 @@ try
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{
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spaces.push_back( { ip::make_network_v6( "2000::/3" ), "IANA", "Global Routing - v6", "The initial global routing table for v6" } );
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spaces.push_back( { ip::make_network_v6( "2600::/8" ), "ARIN", "ARIN v6 RIR Allocation", "Large ARIN block." } );
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spaces.push_back( { ip::make_network_v6( "2602:f6a8::/36" ), "IMP-NET", "Imperial Network", "Main Imperial Network Allocation." } );
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add_command
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(
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{
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@ -100,6 +118,18 @@ try
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}
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);
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add_command
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(
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{
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"quit",
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"Exits the IP Address Manager",
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[]( ... )
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{
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::exit( EXIT_SUCCESS );
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}
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}
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);
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add_command
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(
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{
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@ -107,22 +137,43 @@ try
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"Describe a network range",
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[]( const std::vector< std::string > &args )
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{
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if( args.empty() ) throw std::runtime_error{ "Requires one argument." };
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if( args.size() != 1 ) throw std::runtime_error{ "Too many arguments." };
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const auto &network= boost::lexical_cast< IP_Address >( args.at( 0 ) );
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std::cout << "Parsed: `" << network << "` -- it has a " << network.prefix_length()
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<< " bit mask." << std::endl;
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const Allocation *p= nullptr;
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std::optional< IP_Address > found;
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auto better= [&]( const auto &where )
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{
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return not found.has_value() or where.is_subnet_of( found.value() );
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};
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for( const auto &space: spaces )
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{
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const auto &[ where, owner, name, purpose ]= space;
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if( where == network )
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const auto &[ where, owner, name, purpose, country, state, city, postal ]= space;
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std::cerr << "Checking " << network << " against: " << where;
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if( network == where )
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{
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p = &space;
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std::cerr << " -- Exact match!" << std::endl;
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found= where;
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p= &space;
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break;
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}
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if( network.is_subnet_of( where ) and better( where ) )
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{
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std::cerr << " -- Matched." << std::endl;
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found= where;
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p = &space;
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}
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else std::cerr << " -- No match." << std::endl;
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}
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const auto &[ _, owner, name, purpose ]= *p;
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std::cout << network << " was best matched by " << found.value() << std::endl;
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const auto &[ _, owner, name, purpose, country, state, city, postal ]= *p;
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std::cout << network << " is owned by " << owner << std::endl;
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std::cout << "It is called `" << name << "`" << std::endl;
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@ -131,9 +182,57 @@ try
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}
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);
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add_command
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(
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{
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"subnets",
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"Describe a network range's subnets",
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[]( const std::vector< std::string > &args )
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{
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if( args.empty() ) throw std::runtime_error{ "Requires one argument." };
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if( args.size() != 1 ) throw std::runtime_error{ "Too many arguments." };
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const auto &network= boost::lexical_cast< IP_Address >( args.at( 0 ) );
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std::cout << "Parsed: `" << network << "` -- it has a " << network.prefix_length()
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<< " bit mask." << std::endl;
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const Allocation *p= nullptr;
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std::optional< IP_Address > found;
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auto better= [&]( const auto &where )
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{
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return not found.has_value() or where.is_subnet_of( found.value() );
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};
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for( const auto &space: spaces )
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{
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const auto &[ where, owner, name, purpose, country, state, city, postal ]= space;
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if( network.is_subnet_of( where ) and better( where ) )
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{
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found= where;
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p = &space;
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}
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}
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std::cout << network << " was best matched by " << found.value() << std::endl;
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const auto &[ _, owner, name, purpose, country, state, city, postal ]= *p;
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std::cout << network << " is owned by " << owner << std::endl;
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std::cout << "It is called `" << name << "`" << std::endl;
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std::cout << "It is used for '" << purpose << "'" << std::endl;
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for( const auto &sub: p->subAllocations() )
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{
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std::cout << sub.network << ": " << owner << std::endl;
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}
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}
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}
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);
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while( true )
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while( not std::cin.eof() )
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try
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{
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std::string line;
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getline( std::cin, line );
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@ -143,13 +242,22 @@ try
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auto args= parsed;
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args.erase( begin( args ) );
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if( command.empty() ) continue;
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if( not commands.contains( command ) )
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{
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throw std::runtime_error{ Str << "No such command `" << command << '`' };
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}
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commands.at( command ).run( args );
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}
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catch( const std::exception &e )
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{
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std::cerr << "ERROR: " << e.what() << std::endl;
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}
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return EXIT_SUCCESS;
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}
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catch( const std::exception &ex )
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{
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std::cerr << "Error: " << ex.what() << std::endl;
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std::cerr << "FATAL ERROR: " << ex.what() << std::endl;
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return EXIT_FAILURE;
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}
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