X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=recv_common.c;h=f899c301e4205070403e885325a1e98f8d0b69ca;hp=a5689390987ac9c9b063dad200653e990268824e;hb=7007aedb78262af262e7e7db8d010c6498e79290;hpb=dd462c7e1b61864d6da01a877ced78dab72e2244

diff --git a/recv_common.c b/recv_common.c
index a5689390..f899c301 100644
--- a/recv_common.c
+++ b/recv_common.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2009 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2013 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -12,11 +12,10 @@
 #include "list.h"
 #include "sched.h"
 #include "ggo.h"
+#include "buffer_tree.h"
 #include "recv.h"
 #include "string.h"
 
-DEFINE_RECEIVER_ARRAY;
-
 /**
  * Call the init function of each paraslash receiver.
  */
@@ -32,31 +31,21 @@ static void *parse_receiver_args(int receiver_num, char *options)
 {
 	struct receiver *r = &receivers[receiver_num];
 	char **argv;
-	int argc, i;
+	int argc;
 	void *conf;
 
-
-	PARA_DEBUG_LOG("%s, options: %s\n", r->name,
-		options? options : "(none)");
 	if (options) {
-		PARA_DEBUG_LOG("options: %s\n", options);
-		argc = create_argv(options, " \t", &argv);
+		argc = create_shifted_argv(options, " \t", &argv);
 		if (argc < 0)
 			return NULL;
-		for (i = argc - 1; i >= 0; i--)
-			argv[i + 1] = argv[i];
-		argv[0] = NULL;
-		argc++;
 	} else {
 		argc = 1;
 		argv = para_malloc(2 * sizeof(char*));
-		argv[0] = NULL;
 		argv[1] = NULL;
 	}
+	argv[0] = make_message("%s_recv", r->name);
 	conf = r->parse_config(argc, argv);
-	for (i = 1; i < argc; i++)
-		free(argv[i]);
-	free(argv);
+	free_argv(argv);
 	return conf;
 }
 
@@ -121,3 +110,27 @@ void print_receiver_helps(int detailed)
 		ggo_print_help(&r->help, detailed);
 	}
 }
+
+/**
+ * Simple pre-select hook, used by all receivers.
+ *
+ * \param s Scheduler info.
+ * \param t Determines the receiver node.
+ *
+ * This requests a minimal delay from the scheduler if the status of the buffer
+ * tree node indicates an error/eof condition. No file descriptors are added to
+ * the fd sets of \a s.
+ *
+ * \return The status of the btr node of the receiver node, i.e. the return
+ * value of the underlying call to \ref btr_node_status().
+ */
+int generic_recv_pre_select(struct sched *s, struct task *t)
+{
+	struct receiver_node *rn = container_of(t, struct receiver_node, task);
+	int ret = btr_node_status(rn->btrn, 0, BTR_NT_ROOT);
+
+	t->error = 0;
+	if (ret < 0)
+		sched_min_delay(s);
+	return ret;
+}