Added unix socket support in HttpdOutputPlugin

NEWS

@@ -34,6 +34,7 @@ ver 0.21 (not yet released)
   - shout: support the Shine encoder plugin
   - sndio: remove support for the broken RoarAudio sndio emulation
   - osx: initial support for DSD over PCM
+  - httpd_output: support for unix sockets
 * mixer
   - sndio: new mixer plugin
 * encoder

doc/user.rst

@@ -1705,7 +1705,7 @@ It is highly recommended to configure a fixed format, because a stream cannot sw
    * - **port P**
      - Binds the HTTP server to the specified port.
    * - **bind_to_address ADDR**
-     - Binds the HTTP server to the specified address (IPv4 or IPv6). Multiple addresses in parallel are not supported.
+     - Binds the HTTP server to the specified address (IPv4, IPv6 or UNIX socket). Multiple addresses in parallel are not supported.
    * - **encoder NAME**
      - Chooses an encoder plugin. A list of encoder plugins can be found in the encoder plugin reference :ref:`encoder_plugins`.
    * - **max_clients MC**

src/output/plugins/httpd/HttpdOutputPlugin.cxx

@@ -33,6 +33,7 @@
 #include "util/Domain.hxx"
 #include "util/DeleteDisposer.hxx"
 #include "Log.hxx"
+#include "config/Net.hxx"
 
 #include <assert.h>
 
@@ -58,17 +59,11 @@ HttpdOutput::HttpdOutput(EventLoop &_loop, const ConfigBlock &block)
 	genre = block.GetBlockValue("genre", "Set genre in config");
 	website = block.GetBlockValue("website", "Set website in config");
 
-	unsigned port = block.GetBlockValue("port", 8000u);
-
 	clients_max = block.GetBlockValue("max_clients", 0u);
 
 	/* set up bind_to_address */
 
-	const char *bind_to_address = block.GetBlockValue("bind_to_address");
-	if (bind_to_address != nullptr && strcmp(bind_to_address, "any") != 0)
-		AddHost(bind_to_address, port);
-	else
-		AddPort(port);
+	ServerSocketAddGeneric(*this, block.GetBlockValue("bind_to_address"), block.GetBlockValue("port", 8000u));
 
 	/* determine content type */
 	content_type = prepared_encoder->GetMimeType();