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authorMax Kellermann <max@duempel.org>2013-01-10 10:15:09 +0100
committerMax Kellermann <max@duempel.org>2013-01-10 10:15:09 +0100
commitd5516dee005075a7569890c0cea4235659687ea1 (patch)
tree969046fc869f266103afc06bd2e8e1bd9c201d33 /src/InputInit.cxx
parent06e0741a5293b1db2ef5f2b5778e3669f2dea70e (diff)
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input_stream: convert to C++ (internally)
Diffstat (limited to 'src/InputInit.cxx')
-rw-r--r--src/InputInit.cxx104
1 files changed, 104 insertions, 0 deletions
diff --git a/src/InputInit.cxx b/src/InputInit.cxx
new file mode 100644
index 000000000..6714cc727
--- /dev/null
+++ b/src/InputInit.cxx
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "InputInit.hxx"
+#include "InputRegistry.hxx"
+#include "input_plugin.h"
+#include "conf.h"
+
+#include <assert.h>
+#include <string.h>
+
+static inline GQuark
+input_quark(void)
+{
+ return g_quark_from_static_string("input");
+}
+
+/**
+ * Find the "input" configuration block for the specified plugin.
+ *
+ * @param plugin_name the name of the input plugin
+ * @return the configuration block, or NULL if none was configured
+ */
+static const struct config_param *
+input_plugin_config(const char *plugin_name, GError **error_r)
+{
+ const struct config_param *param = NULL;
+
+ while ((param = config_get_next_param(CONF_INPUT, param)) != NULL) {
+ const char *name =
+ config_get_block_string(param, "plugin", NULL);
+ if (name == NULL) {
+ g_set_error(error_r, input_quark(), 0,
+ "input configuration without 'plugin' name in line %d",
+ param->line);
+ return NULL;
+ }
+
+ if (strcmp(name, plugin_name) == 0)
+ return param;
+ }
+
+ return NULL;
+}
+
+bool
+input_stream_global_init(GError **error_r)
+{
+ GError *error = NULL;
+
+ for (unsigned i = 0; input_plugins[i] != NULL; ++i) {
+ const struct input_plugin *plugin = input_plugins[i];
+
+ assert(plugin->name != NULL);
+ assert(*plugin->name != 0);
+ assert(plugin->open != NULL);
+
+ const struct config_param *param =
+ input_plugin_config(plugin->name, &error);
+ if (param == NULL && error != NULL) {
+ g_propagate_error(error_r, error);
+ return false;
+ }
+
+ if (!config_get_block_bool(param, "enabled", true))
+ /* the plugin is disabled in mpd.conf */
+ continue;
+
+ if (plugin->init == NULL || plugin->init(param, &error))
+ input_plugins_enabled[i] = true;
+ else {
+ g_propagate_prefixed_error(error_r, error,
+ "Failed to initialize input plugin '%s': ",
+ plugin->name);
+ return false;
+ }
+ }
+
+ return true;
+}
+
+void input_stream_global_finish(void)
+{
+ input_plugins_for_each_enabled(plugin)
+ if (plugin->finish != NULL)
+ plugin->finish();
+}