[Add] Plugin crawler.

base/Makefile

@@ -1,9 +1,11 @@
 default:
 	cd c3po && make
+	cd config && make
 	cd network_plain && make
 	cd network_ssl && make
 
 clean:
 	cd c3po && make clean
+	cd config && make clean
 	cd network_plain && make clean
 	cd network_ssl && make clean

base/config/Makefile

@@ -0,0 +1,8 @@
+SRC = config.c plugin.c
+CFLAGS += -fPIC -shared -Wl,-soname,config.so -O3
+LDFLAGS += -ldl
+
+default:
+		$(CC) $(CFLAGS) $(SRC) -o ../../bin/base/config.so $(LDFLAGS)
+
+clean:

base/config/api.h

@@ -1,14 +1,13 @@
 #pragma once
 
 #define PLUGIN_TYPE_NETWORK 0x1
-
+#define PLUGIN_TYPE_FILTER  0x2
 void configErrorPush(const char* err);
 
 /* This is the common API for plugins. */
 unsigned int pluginType();
 const char* pluginName();
 
-#if 0
 #ifndef __NETWORK_H__
     /* This one's for network plugins. */
     void* pluginConnect(const char* host, int port);
@@ -17,4 +16,3 @@ const char* pluginName();
     int pluginSendData(void* connection, const char* buffer, int buffer_len);
     void* pluginSocketDone(void* connection);
 #endif
-#endif

base/config/config.c

@@ -5,4 +5,6 @@ void* init() {
         fprintf(stderr, "[CONFIG] First malloc failed. Let's just give up :D\n");
         return NULL;
     }
+
+    return NULL;
 }

base/config/config.h

@@ -7,10 +7,10 @@
 #include <dlfcn.h>
 #include <signal.h>
 
+#include "api.h"
 #include "plugin.h"
 
 typedef struct {
-#include <dirent.h>
     PLUGIN plugin;
 } CONFIG;
 

base/config/plugin.c

@@ -6,6 +6,116 @@ void pluginInit() {
     return;
 }
 
+void pluginAddNetwork(void* lib_handle, const char* name) {
+    struct PLUGIN_NETWORK_ENTRY* plugin;
+
+    if((plugin = malloc(sizeof(struct PLUGIN_NETWORK_ENTRY))) == NULL) {
+        dlclose(lib_handle);
+        return;
+    }
+
+    plugin->lib_handle = lib_handle;
+    plugin->name = name;
+    plugin->connect = dlsym(lib_handle, "pluginConnect");
+    plugin->socket = dlsym(lib_handle, "pluginSocketGet");
+    plugin->read = dlsym(lib_handle, "pluginReadData");
+    plugin->write = dlsym(lib_handle, "pluginSendData");
+    plugin->disconnect = dlsym(lib_handle, "pluginSocketDone");
+
+    if(!plugin->connect || !plugin->socket || !plugin->read ||
+       !plugin->write || !plugin->disconnect) {
+        dlclose(lib_handle);
+        free(plugin);
+        return;
+    }
+
+    plugin->next = config->plugin.network_plug;
+    config->plugin.network_plug = plugin;
+
+    fprintf(stderr, "Debug: Network plugin %s added\n", name);
+
+    /* This should be good right? */
+    return;
+}
+
+void pluginAddFilter(void* lib_handle, const char* name) {
+    struct PLUGIN_FILTER_ENTRY* plugin;
+    int(*trig_type)();
+
+    if((trig_type = dlsym(lib_handle, "pluginFilterType")) == NULL) {
+        dlclose(lib_handle);
+        return;
+    }
+
+    if((plugin = malloc(sizeof(struct PLUGIN_NETWORK_ENTRY))) == NULL) {
+        dlclose(lib_handle);
+        return;
+    }
+
+    plugin->lib_handle = lib_handle;
+    plugin->name = name;
+    plugin->trig_type = (trig_type)();
+
+    plugin->init = dlsym(lib_handle, "pluginDoInit");
+    plugin->filter = dlsym(lib_handle, "pluginFilter");
+    plugin->destroy = dlsym(lib_handle, "pluginDestroy");
+
+    if(!plugin->init || !plugin->filter || !plugin->destroy) {
+        dlclose(lib_handle);
+        free(plugin);
+        return;
+    }
+
+    plugin->next = config->plugin.filter_plug;
+    config->plugin.filter_plug = plugin;
+
+    fprintf(stderr, "Debug: Filter plugin %s added\n", name);
+    return;
+}
+
+void pluginProcess(const char* path, const char* name) {
+    void* lib_handle;
+    char fname[512], *longname, *usename;
+    unsigned int (*pluginType)();
+    const char* (*pluginName)();
+
+    longname = NULL;
+    if(strlen(path) + strlen(name) + 2 > 512) {
+        longname = malloc(strlen(path) + strlen(name) + 2);
+        usename = longname;
+    } else
+        usename = fname;
+
+    sprintf(usename, "%s/%s", path,name);
+    if((lib_handle = dlopen(usename, RTLD_LOCAL | RTLD_NOW)) == NULL) {
+        /* It's not a plugin. Ignore. */
+        free(longname);
+        return;
+    }
+
+    free(longname);
+    pluginType = dlsym(lib_handle, "pluginType");
+    pluginName = dlsym(lib_handle, "pluginName");
+
+    if(pluginType == NULL || pluginName == NULL) {
+        dlclose(lib_handle);
+        return;
+    }
+
+    switch((pluginType)()) {
+        case PLUGIN_TYPE_NETWORK:
+            pluginAddNetwork(lib_handle, (pluginName)());
+            break;
+        case PLUGIN_TYPE_FILTER:
+            pluginAddFilter(lib_handle, (pluginName)());
+            break;
+        default:
+            dlclose(lib_handle);
+            fprintf(stderr, "[CONFIG] %s/%s is of type not implemented\n", path, name);
+            break;
+    }
+}
+
 void pluginCrawl(const char* path) {
     DIR* dir;
     struct dirent* file;

base/config/plugin.h

@@ -12,16 +12,17 @@ struct PLUGIN_NETWORK_ENTRY {
 };
 
 struct PLUGIN_FILTER_ENTRY {
-    void*         lib_handle;
-    const char*   name;
-    int           trig_type;
-    void          *(*init)();
-    void          (*filter)(void* handle, const char* from, const char* host,
-                            const char* channel, const char* message);
-    void          *(*destroy)(void* handle);
+    void*                        lib_handle;
+    const char*                  name;
+    int                          trig_type;
+    void                         *(*init)();
+    void                         (*filter)(void* handle, const char* from, const char* host,
+                                           const char* channel, const char* message);
+    void                         *(*destroy)(void* handle);
+    struct PLUGIN_FILTER_ENTRY*  next;
 };
 
 typedef struct {
-    struct PLUGIN_NETWORK_ENTRY* network_plugin;
+    struct PLUGIN_NETWORK_ENTRY* network_plug;
     struct PLUGIN_FILTER_ENTRY*  filter_plug;
 } PLUGIN;