157 lines
2.5 KiB
C++
Executable File
157 lines
2.5 KiB
C++
Executable File
/*
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* This file is a part of Winix
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* and is not publicly distributed
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*
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* Copyright (c) 2008-2010, Tomasz Sowa
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* All rights reserved.
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*
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*/
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#include <dlfcn.h>
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#include "plugin.h"
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#include "pluginmsg.h"
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void Plugin::UnloadPlugins()
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{
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size_t i;
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slots.clear();
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for(i=0 ; i<plugins.size() ; ++i)
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dlclose(plugins[i]);
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plugins.clear();
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}
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Plugin::Plugin()
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{
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current_plugin = -1;
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}
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Plugin::~Plugin()
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{
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UnloadPlugins();
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}
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void Plugin::LoadPlugins(const std::vector<std::string> & plugins)
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{
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size_t i;
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for(i=0 ; i<plugins.size() ; ++i)
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LoadPlugin(plugins[i]);
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}
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void Plugin::LoadPlugin(const std::string & filename)
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{
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LoadPlugin(filename.c_str());
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}
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void Plugin::LoadPlugin(const char * filename)
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{
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void * p = dlopen(filename, RTLD_NOW | RTLD_LOCAL);
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if( !p )
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{
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log << log1 << "Pl: cannot load a plugin: " << filename << logend;
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/*
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const char * t = dlerror();
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if( t )
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log << log1 << t << logend;
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*/
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return;
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}
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Fun fun = (Fun)dlfunc(p, "Init");
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if( !fun )
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{
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log << log1 << "Pl: cannot load a plugin: " << filename << " (there is no Init() function)" << logend;
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dlclose(p);
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return;
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}
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arg.Clear();
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int old_current_plugin = current_plugin;
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current_plugin = (int)plugins.size();
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arg.plugin_id = current_plugin;
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if( fun(&arg) )
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{
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log << log1 << "Pl: plugin loaded: " << filename << ", index: " << plugins.size() << logend;
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plugins.push_back(p);
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}
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else
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{
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log << log1 << "Pl: plugin Init() returned false (" << filename << ") " << logend;
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dlclose(p);
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}
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current_plugin = old_current_plugin;
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}
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Arg * Plugin::Call(int message, void * a, void * a2, void * a3)
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{
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Slots::iterator i = slots.lower_bound(message);
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arg.Clear();
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int old_current_plugin = current_plugin;
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for( ; i!=slots.end() && i->first==message ; ++i )
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{
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arg.app = a;
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arg.app2 = a2;
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arg.app3 = a3;
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current_plugin = i->second.index;
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arg.plugin_id = current_plugin;
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if( request.session && current_plugin != -1 )
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arg.plugin_data_base = request.session->plugin_data.Get(current_plugin);
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else
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arg.plugin_data_base = 0;
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if( i->second.fun(&arg) )
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arg.ret_true++;
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else
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arg.ret_false++;
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}
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current_plugin = old_current_plugin;
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return &arg;
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}
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size_t Plugin::Size()
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{
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return plugins.size();
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}
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void Plugin::Assign(int message, Fun fun)
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{
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Slot s;
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s.fun = fun;
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s.index = current_plugin;
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slots.insert( std::make_pair(message, s) );
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log << log3 << "Plugin: added function for message: " << message << ", plugin index: " << s.index << logend;
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}
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