X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=recv.h;h=f70cbbe8d61d233e6487e1452253162e09a6f6b6;hp=7555dfb4130010898145bb6bb89b679a5e69e78a;hb=23b121a85984baa9252f4b4c0b8c4f186e394bb7;hpb=4a0c8e1fb760134609dcf2c06cd1b9b76953d606

diff --git a/recv.h b/recv.h
index 7555dfb4..f70cbbe8 100644
--- a/recv.h
+++ b/recv.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2011 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2013 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -20,6 +20,21 @@ struct receiver_node {
 	struct task task;
 	/** The receiver node is always the root of the buffer tree. */
 	struct btr_node *btrn;
+	/** Each receiver node maintains a buffer pool for the received data. */
+	struct btr_pool *btrp;
+	/**
+	 * The file descriptor to receive the stream.
+	 *
+	 * The pre_select function of the receiver adds this file descriptor to
+	 * the set of file descriptors which are watched for readability or
+	 * writability, depending on the state of the connection (if any).
+	 *
+	 * If \a fd is readable, the post_select function of the receiver reads
+	 * data from this fd into the buffer pool area of \a btrp.
+	 *
+	 * \sa \ref receiver.
+	 */
+	int fd;
 };
 
 /**
@@ -93,9 +108,9 @@ struct receiver {
 	 * Evaluate the result from select().
 	 *
 	 * This hook gets called after the call to select(). It should check
-	 * all file descriptors which were added to any of the the fd sets
-	 * during the previous call to pre_select. According to the result, it
-	 * may then use any non-blocking I/O to establish a connection or to
+	 * all file descriptors which were added to any of the fd sets during
+	 * the previous call to pre_select. According to the result, it may
+	 * then use any non-blocking I/O to establish a connection or to
 	 * receive the audio data.
 	 *
 	 * \sa select(2), struct receiver.
@@ -104,6 +119,13 @@ struct receiver {
 
 	/** The two help texts of this receiver. */
 	struct ggo_help help;
+	/**
+	 * Answer a buffer tree query.
+	 *
+	 * This optional function pointer is used for inter node communications
+	 * of the buffer tree nodes. See \ref btr_command_handler for details.
+	 */
+	btr_command_handler execute;
 };
 
 /** Define an array of all available receivers. */
@@ -111,6 +133,7 @@ struct receiver {
 	HTTP_RECEIVER \
 	DCCP_RECEIVER \
 	UDP_RECEIVER \
+	AFH_RECEIVER \
 	{.name = NULL}};
 
 /** Iterate over all available receivers. */
@@ -128,6 +151,7 @@ extern void dccp_recv_init(struct receiver *r);
 #define DCCP_RECEIVER {.name = "dccp", .init = dccp_recv_init},
 extern void udp_recv_init(struct receiver *r);
 #define UDP_RECEIVER {.name = "udp", .init = udp_recv_init},
+#define AFH_RECEIVER /* not active by default */
 
 extern struct receiver receivers[];
 /** \endcond receiver */