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-rw-r--r--Makefile26
-rw-r--r--main.cpp40
-rw-r--r--pluginmanager.hpp99
-rw-r--r--plugins/plugin.hpp39
-rw-r--r--plugins/plugin_test1.cpp35
-rw-r--r--plugins/plugin_test1.hpp33
-rw-r--r--plugins/plugin_test2.cpp24
-rw-r--r--plugins/plugin_test2.hpp34
-rw-r--r--plugins/plugin_test3.cpp24
-rw-r--r--plugins/plugin_test3.hpp34
10 files changed, 388 insertions, 0 deletions
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..d6ce077
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,26 @@
1FILENAME = pluginmanager
2
3all: all_plugins executable
4 @echo "> MAKING ALL..."
5
6test: all
7 @echo "> TESTING PLUGIN1..."
8 ./$(FILENAME) ./plugin1.so
9 @echo "> TESTING PLUGIN2..."
10 ./$(FILENAME) ./plugin2.so
11 @echo "> TESTING PLUGIN3..."
12 ./$(FILENAME) ./plugin3.so
13
14clean:
15 @echo "> CLEANING..."
16 rm $(FILENAME)
17 rm *.so
18
19all_plugins:
20 @echo "> MAKING PLUGINS..."
21 $(CXX) $(CXXFLAGS) -shared -fPIC -o plugin1.so plugins/plugin_test1.cpp
22 $(CXX) $(CXXFLAGS) -shared -fPIC -o plugin2.so plugins/plugin_test2.cpp
23 $(CXX) $(CXXFLAGS) -shared -fPIC -o plugin3.so plugins/plugin_test3.cpp
24
25executable:
26 $(CXX) $(CXXFLAGS) -o $(FILENAME) main.cpp -ldl
diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..9f442cb
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,40 @@
1/*
2 * main.cpp <PLUGINMANAGER>
3 *
4 * Copyright 2009 Max Christian Pohle <coderz@gmx.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21
22#include <iostream>
23#include "pluginmanager.hpp"
24
25using namespace std;
26int main(int argc, char* argv[])
27{
28 typedef Plugin* create();
29 string plugin = string(argv[1]);
30 try
31 {
32 PluginManager<Plugin*> *pm = new PluginManager<Plugin*>();
33 pm->load_plugin(plugin);
34 Plugin* p = pm->get_instance(plugin);
35 cout << "> VERSION: " << p->get_version() << endl << endl;
36 p->dosomething();
37 }
38 catch(char* e)
39 { cout << e << endl; }
40}
diff --git a/pluginmanager.hpp b/pluginmanager.hpp
new file mode 100644
index 0000000..2415acf
--- /dev/null
+++ b/pluginmanager.hpp
@@ -0,0 +1,99 @@
1/*
2 * pluginmanager.hpp
3 *
4 * Copyright 2009 Max Christian Pohle <coderz@gmx.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21
22#ifndef pluginmanager
23#define pluginmanager
24 #define PLUGIN_ENGINE_VERSION 1
25
26 #include <string>
27 #include <map>
28 #include <sstream>
29 #include <dlfcn.h>
30 #include <iostream>
31 #include <list>
32
33 #include "plugins/plugin.hpp"
34
35 using namespace std;
36
37 template <class T>
38 class PluginManager
39 {
40 private:
41 int engine_version;
42 typedef T create();
43 map<string,create*> plugins;
44 typename map<string, create*>::iterator iter;
45
46 public:
47 PluginManager<T>() : engine_version(PLUGIN_ENGINE_VERSION) {}
48
49 T get_instance(string t)
50 {
51 iter = plugins.find(t);
52 if (iter != plugins.end())
53 { return iter->second(); }
54 }
55
56 list<string> list_plugins()
57 {
58 list<string> retval;
59 for(iter=plugins.begin(); iter!=plugins.end(); ++iter)
60 { retval.push_front(iter->first); }
61 return retval;
62 }
63
64 void load_plugin(string filename)
65 {
66 std::stringstream serr;
67 char* dlsym_error;
68 std::cerr << "\n> OPENING " << filename << "...";
69 void* plugin2open = dlopen(filename.c_str(), RTLD_LAZY);
70 if (dlsym_error = dlerror())
71 {
72 std::stringstream a;
73 a <<
74 std::string(filename) <<
75 std::string(" is not a valid plugin\n\t") <<
76 std::string(dlsym_error);
77 throw (char*) a.str().c_str();
78 }
79 else
80 {
81 std::cerr << "done.\n";
82 }
83
84 create* f_creator = (create*) dlsym(plugin2open, "create");
85 if (dlsym_error = dlerror())
86 {
87 throw (char*)"plugin has no creation-interface"
88 ", so is obviously no subclass of 'Plugin'";
89 }
90 else
91 {
92 std::cout << "> LOADING " << filename << "...";
93 plugins.insert(make_pair(filename, f_creator));
94 std::cout << "done.\n";
95 }
96 }
97 };
98
99#endif
diff --git a/plugins/plugin.hpp b/plugins/plugin.hpp
new file mode 100644
index 0000000..9a354c2
--- /dev/null
+++ b/plugins/plugin.hpp
@@ -0,0 +1,39 @@
1/*
2 * plugin.hpp <PLUGINMANAGER>
3 *
4 * Copyright 2009 Max Christian Pohle <coderz@gmx.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21
22#ifndef PLUGIN_HPP
23#define PLUGIN_HPP
24 #include <string>
25 #include <sstream>
26 #include <dlfcn.h>
27 #include <iostream>
28
29 using namespace std;
30 class Plugin
31 {
32 private:
33 int version;
34 public:
35 //Plugin() : version(0)
36 virtual const int get_version() = 0;
37 virtual void dosomething() = 0;
38 };
39#endif
diff --git a/plugins/plugin_test1.cpp b/plugins/plugin_test1.cpp
new file mode 100644
index 0000000..e02612c
--- /dev/null
+++ b/plugins/plugin_test1.cpp
@@ -0,0 +1,35 @@
1/*
2 * plugin_test1.hpp <PLUGINMANAGER>
3 *
4 * Copyright 2009 Max Christian Pohle <coderz@gmx.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21#include "plugin_test1.hpp"
22
23plugin_test::plugin_test()
24{ std::cout << "constructor of plugin I.\n"; }
25
26void plugin_test::dosomething()
27{ std::cout << "teste dosomething in plugin I.\n"; }
28
29const int plugin_test::get_version()
30{ return VERSION; }
31
32// the class factories
33extern "C" plugin_test* create()
34{ return new plugin_test; }
35
diff --git a/plugins/plugin_test1.hpp b/plugins/plugin_test1.hpp
new file mode 100644
index 0000000..ec7597d
--- /dev/null
+++ b/plugins/plugin_test1.hpp
@@ -0,0 +1,33 @@
1/*
2 * plugin_test1.hpp <PLUGINMANAGER>
3 *
4 * Copyright 2009 Max Christian Pohle <coderz@gmx.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21#ifndef PLUGIN_TEST1_HPP
22#define PLUGIN_TEST1_HPP
23
24#include "plugin.hpp"
25#define VERSION 3
26class plugin_test : public Plugin
27{
28 public:
29 plugin_test();
30 const int get_version();
31 virtual void dosomething();
32};
33#endif
diff --git a/plugins/plugin_test2.cpp b/plugins/plugin_test2.cpp
new file mode 100644
index 0000000..1dbbf7b
--- /dev/null
+++ b/plugins/plugin_test2.cpp
@@ -0,0 +1,24 @@
1/*
2 * plugin_test2.cpp <PLUGINMANAGER>
3 *
4 * Copyright 2009 Max Christian Pohle <coderz@gmx.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21#include "plugin_test2.hpp"
22
23void plugin_test::dosomething()
24{ std::cout << "teste dosomething in plugin II.\n"; }
diff --git a/plugins/plugin_test2.hpp b/plugins/plugin_test2.hpp
new file mode 100644
index 0000000..1291b18
--- /dev/null
+++ b/plugins/plugin_test2.hpp
@@ -0,0 +1,34 @@
1/*
2 * plugin_test2.hpp <PLUGINMANAGER>
3 *
4 * Copyright 2009 Max Christian Pohle <coderz@gmx.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21#include "plugin.hpp"
22#define VERSION 2
23class plugin_test : public Plugin
24{
25 public:
26 plugin_test()
27 { std::cout << "Das ist plugin nummer II.\n"; }
28 const int get_version()
29 { return VERSION; }
30 void dosomething();
31};
32
33extern "C" Plugin* create()
34{ return new plugin_test(); }
diff --git a/plugins/plugin_test3.cpp b/plugins/plugin_test3.cpp
new file mode 100644
index 0000000..39c4988
--- /dev/null
+++ b/plugins/plugin_test3.cpp
@@ -0,0 +1,24 @@
1/*
2 * plugin_test3.cpp <PLUGINMANAGER>
3 *
4 * Copyright 2009 Max Christian Pohle <coderz@gmx.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21#include "plugin_test3.hpp"
22
23void plugin_test::dosomething()
24{ std::cout << "teste dosomething in plugin III.\n"; }
diff --git a/plugins/plugin_test3.hpp b/plugins/plugin_test3.hpp
new file mode 100644
index 0000000..a057d8f
--- /dev/null
+++ b/plugins/plugin_test3.hpp
@@ -0,0 +1,34 @@
1/*
2 * plugin_test3.hpp <PLUGINMANAGER>
3 *
4 * Copyright 2009 Max Christian Pohle <coderz@gmx.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21#include "plugin.hpp"
22#define VERSION 1
23class plugin_test : public Plugin
24{
25 public:
26 plugin_test()
27 { std::cout << "Das ist plugin nummer III.\n"; }
28 const int get_version()
29 { return VERSION; }
30 void dosomething();
31};
32
33extern "C" Plugin* create()
34{ return new plugin_test(); }
..