Adding upstream version 1.8.3.upstream/1.8.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 68 insertions, 0 deletions

diff --git a/dnsdist-lua-network.hh b/dnsdist-lua-network.hh
new file mode 100644
index 0000000..a63efd4
--- /dev/null
+++ b/dnsdist-lua-network.hh
@@ -0,0 +1,68 @@
+/*
+ * This file is part of PowerDNS or dnsdist.
+ * Copyright -- PowerDNS.COM B.V. and its contributors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * In addition, for the avoidance of any doubt, permission is granted to
+ * link this program with OpenSSL and to (re)distribute the binaries
+ * produced as the result of such linking.
+ *
+ * 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.
+ */
+#pragma once
+
+#include <thread>
+#include <unordered_map>
+
+#include "lock.hh"
+#include "mplexer.hh"
+#include "sstuff.hh"
+
+namespace dnsdist
+{
+class NetworkListener
+{
+public:
+  NetworkListener();
+
+  using EndpointID = uint16_t;
+  using NetworkDatagramCB = std::function<void(EndpointID endpoint, std::string&& dgram, const std::string& from)>;
+  bool addUnixListeningEndpoint(const std::string& path, EndpointID id, NetworkDatagramCB cb);
+  void start();
+  void runOnce(struct timeval& now, uint32_t timeout);
+
+private:
+  static void readCB(int desc, FDMultiplexer::funcparam_t& param);
+  void mainThread();
+
+  struct CBData
+  {
+    NetworkDatagramCB d_cb;
+    EndpointID d_endpoint;
+  };
+
+  std::unique_ptr<FDMultiplexer> d_mplexer;
+  std::unordered_map<std::string, Socket> d_sockets;
+  std::atomic<bool> d_running{false};
+};
+
+class NetworkEndpoint
+{
+public:
+  NetworkEndpoint(const std::string& path);
+  bool send(const std::string_view& payload) const;
+
+private:
+  Socket d_socket;
+};
+}