Move send_buffer() and send_va_buffer() from net.c to fd.c.

[paraslash.git] / recv_common.c

diff --git a/recv_common.c b/recv_common.c
index 8f8f63697714904c1d6c871c1e8e3df197e0298e..4f157ab5e6ba6f8fa8623b98e072d17c20395b9a 100644 (file)
--- a/recv_common.c
+++ b/recv_common.c
@@ -1,31 +1,34 @@
 /*
- * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2012 Andre Noll <maan@systemlinux.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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ * Licensed under the GPL v2. For licencing details see COPYING.
  */
 
 /** \file recv_common.c common functions of para_recv and para_audiod */
 
-#include "para.h"
+#include <regex.h>
 
+#include "para.h"
 #include "list.h"
 #include "sched.h"
+#include "ggo.h"
 #include "recv.h"
 #include "string.h"
+#include "buffer_tree.h"
 
 DEFINE_RECEIVER_ARRAY;
+
+/**
+ * Call the init function of each paraslash receiver.
+ */
+void recv_init(void)
+{
+       int i;
+
+       FOR_EACH_RECEIVER(i)
+               receivers[i].init(&receivers[i]);
+}
+
 static void *parse_receiver_args(int receiver_num, char *options)
 {
        struct receiver *r = &receivers[receiver_num];
@@ -34,29 +37,26 @@ static void *parse_receiver_args(int receiver_num, char *options)
        void *conf;
 
 
-//     PARA_DEBUG_LOG("%s, options: %s\n", r->name,
-//             options? options : "(none)");
+       PARA_DEBUG_LOG("%s, options: %s\n", r->name,
+               options? options : "(none)");
        if (options) {
                PARA_DEBUG_LOG("options: %s\n", options);
-               argc = split_args(options, &argv, " \t");
+               argc = create_argv(options, " \t", &argv);
+               if (argc < 0)
+                       return NULL;
                for (i = argc - 1; i >= 0; i--)
                        argv[i + 1] = argv[i];
-               argv[0] = para_strdup(r->name);
-               argc += 1;
-               PARA_DEBUG_LOG("argc = %d, argv[0]: %s\n", argc, argv[0]);
+               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);
-       if (!conf) {
-               for (i = 0; i < argc; i++)
-                       free(argv[i]);
-               free(argv);
-               return NULL;
-       }
+       for (i = 0; i < argc; i++)
+               free(argv[i]);
+       free(argv);
        return conf;
 }
 
@@ -96,6 +96,52 @@ void *check_receiver_arg(char *ra, int *receiver_num)
                *receiver_num = j;
                return parse_receiver_args(j, c? ra + len + 1: NULL);
        }
-       PARA_ERROR_LOG("%s", "receiver not found\n");
+       PARA_ERROR_LOG("receiver not found\n");
        return NULL;
 }
+
+/**
+ * Print out the help texts to all receivers.
+ *
+ * \param detailed Whether the detailed help should be printed.
+ */
+void print_receiver_helps(int detailed)
+{
+       int i;
+
+       printf_or_die("\nAvailable receivers: \n\t");
+       FOR_EACH_RECEIVER(i)
+               printf_or_die("%s%s", i? " " : "", receivers[i].name);
+       printf_or_die("\n\n");
+       FOR_EACH_RECEIVER(i) {
+               struct receiver *r = receivers + i;
+               if (!r->help.short_help)
+                       continue;
+               printf_or_die("Options for %s:\n", r->name);
+               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;
+}