+STATIC void scanDirectory(char *dirpath, int dirfd, AFB_plugin **plugins, int *count) {
+ DIR *dir;
+ void *libso;
+ struct dirent pluginDir, *result;
+ AFB_plugin* (*pluginRegisterFct)(void);
+ char pluginPath[255];
+
+ // Open Directory to scan over it
+ dir = fdopendir (dirfd);
+ if (dir == NULL) {
+ fprintf(stderr, "ERROR in scanning directory\n");
+ return;
+ }
+ if (verbose) fprintf (stderr, "Scanning dir=[%s] for plugins\n", dirpath);
+
+ for (;;) {
+ readdir_r(dir, &pluginDir, &result);
+ if (result == NULL) break;
+
+ // Loop on any contained directory
+ if ((pluginDir.d_type == DT_DIR) && (pluginDir.d_name[0] != '.')) {
+ int fd = openat (dirfd, pluginDir.d_name, O_DIRECTORY);
+ char newpath[255];
+ strncpy (newpath, dirpath, sizeof(newpath));
+ strncat (newpath, "/", sizeof(newpath));
+ strncat (newpath, pluginDir.d_name, sizeof(newpath));
+
+ scanDirectory (newpath, fd, plugins, count);
+ close (fd);
+
+ } else {
+
+ // This is a file but not a plugin let's move to next directory element
+ if (!strstr (pluginDir.d_name, ".so")) continue;
+
+ // This is a loadable library let's check if it's a plugin
+ snprintf (pluginPath, sizeof(pluginPath), "%s/%s", dirpath, pluginDir.d_name);
+ libso = dlopen (pluginPath, RTLD_NOW | RTLD_LOCAL);
+
+ // Load fail we ignore this .so file
+ if (!libso) {
+ fprintf(stderr, "[%s] is not loadable, continuing...\n", pluginDir.d_name);
+ continue;
+ }
+
+ pluginRegisterFct = dlsym (libso, "pluginRegister");
+
+ if (!pluginRegisterFct) {
+ fprintf(stderr, "[%s] is not an AFB plugin, continuing...\n", pluginDir.d_name);
+ continue;
+ }
+
+ // if max plugin is reached let's stop searching
+ if (*count == AFB_MAX_PLUGINS) {
+ fprintf(stderr, "[%s] is not loaded [Max Count=%d reached]\n", *count);
+ continue;
+ }
+
+ if (verbose) fprintf(stderr, "[%s] is a valid AFB plugin, loading pos[%d]\n", pluginDir.d_name, *count);
+ plugins[*count] = (AFB_plugin *) malloc (sizeof(AFB_plugin));
+ plugins[*count] = (**pluginRegisterFct)();
+ *count = *count +1;
+
+ }
+ }
+ closedir (dir);
+}
+