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-rw-r--r--src/neighbor/Glue.cxx111
1 files changed, 111 insertions, 0 deletions
diff --git a/src/neighbor/Glue.cxx b/src/neighbor/Glue.cxx
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index 000000000..fbf25cc8d
--- /dev/null
+++ b/src/neighbor/Glue.cxx
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2003-2014 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 "Glue.hxx"
+#include "Registry.hxx"
+#include "Explorer.hxx"
+#include "NeighborPlugin.hxx"
+#include "Info.hxx"
+#include "config/ConfigGlobal.hxx"
+#include "config/ConfigData.hxx"
+#include "config/ConfigError.hxx"
+#include "util/Error.hxx"
+
+NeighborGlue::Explorer::~Explorer()
+{
+ delete explorer;
+}
+
+NeighborGlue::~NeighborGlue() {}
+
+static NeighborExplorer *
+CreateNeighborExplorer(EventLoop &loop, NeighborListener &listener,
+ const config_param &param, Error &error)
+{
+ const char *plugin_name = param.GetBlockValue("plugin");
+ if (plugin_name == nullptr) {
+ error.Set(config_domain,
+ "Missing \"plugin\" configuration");
+ return nullptr;
+ }
+
+ const NeighborPlugin *plugin = GetNeighborPluginByName(plugin_name);
+ if (plugin == nullptr) {
+ error.Format(config_domain, "No such neighbor plugin: %s",
+ plugin_name);
+ return nullptr;
+ }
+
+ return plugin->create(loop, listener, param, error);
+}
+
+bool
+NeighborGlue::Init(EventLoop &loop, NeighborListener &listener, Error &error)
+{
+ for (const config_param *param = config_get_param(CONF_NEIGHBORS);
+ param != nullptr; param = param->next) {
+ NeighborExplorer *explorer =
+ CreateNeighborExplorer(loop, listener, *param, error);
+ if (explorer == nullptr) {
+ error.FormatPrefix("Line %i: ", param->line);
+ return false;
+ }
+
+ explorers.emplace_front(explorer);
+ }
+
+ return true;
+}
+
+bool
+NeighborGlue::Open(Error &error)
+{
+ for (auto i = explorers.begin(), end = explorers.end();
+ i != end; ++i) {
+ if (!i->explorer->Open(error)) {
+ /* roll back */
+ for (auto k = explorers.begin(); k != i; ++k)
+ k->explorer->Close();
+ return false;
+ }
+ }
+
+ return true;
+}
+
+void
+NeighborGlue::Close()
+{
+ for (auto i = explorers.begin(), end = explorers.end(); i != end; ++i)
+ i->explorer->Close();
+}
+
+NeighborGlue::List
+NeighborGlue::GetList() const
+{
+ List result;
+
+ for (const auto &i : explorers)
+ result.splice_after(result.before_begin(),
+ i.explorer->GetList());
+
+ return result;
+}
+