dfhack/plugins/server/main.cpp

75 lines
2.6 KiB
C++

#include <dfhack/Core.h>
#include <dfhack/Console.h>
#include <dfhack/Export.h>
#include <dfhack/PluginManager.h>
#include <zmq.hpp>
using namespace DFHack;
// Here go all the command declarations...
// mostly to allow having the mandatory stuff on top of the file and commands on the bottom
DFhackCExport command_result server (Core * c, std::vector <std::string> & parameters);
// A plugins must be able to return its name. This must correspond to the filename - skeleton.plug.so or skeleton.plug.dll
DFhackCExport const char * plugin_name ( void )
{
return "server";
}
// Mandatory init function. If you have some global state, create it here.
DFhackCExport command_result plugin_init ( Core * c, std::vector <PluginCommand> &commands)
{
// Fill the command list with your commands.
commands.clear();
commands.push_back(PluginCommand("server",
"Inane zeromq example turned into a plugin.",
server));
return CR_OK;
}
// This is called right before the plugin library is removed from memory.
DFhackCExport command_result plugin_shutdown ( Core * c )
{
// You *MUST* kill all threads you created before this returns.
// If everythin fails, just return CR_FAILURE. Your plugin will be
// in a zombie state, but things won't crash.
return CR_OK;
}
// This is WRONG and STUPID. Never use this as an example!
DFhackCExport command_result server (Core * c, std::vector <std::string> & parameters)
{
// It's nice to provide a 'help' option for your command.
// It's also nice to print the same help if you get invalid options from the user instead of just acting strange
for(int i = 0; i < parameters.size();i++)
{
if(parameters[i] == "help" || parameters[i] == "?")
{
// Core has a handle to the console. The console is thread-safe.
// Only one thing can read from it at a time though...
c->con.print("This command is a simple Hello World example for zeromq!\n");
return CR_OK;
}
}
// Prepare our context and socket
zmq::context_t context (1);
zmq::socket_t socket (context, ZMQ_REP);
socket.bind ("tcp://*:5555");
while (true)
{
zmq::message_t request;
// Wait for next request from client
socket.recv (&request);
c->con.print("Received Hello\n");
// Do some 'work'
sleep (1);
// Send reply back to client
zmq::message_t reply (5);
memcpy ((void *) reply.data (), "World", 5);
socket.send (reply);
}
return CR_OK;
}