From 49f80b7cf1523a7a2f824a5513b1baedf254f8a5 Mon Sep 17 00:00:00 2001
From: Martine Lenders <mail@martine-lenders.eu>
Date: Thu, 22 Feb 2018 20:28:32 +0100
Subject: [PATCH] Revert "gnrc/netreg: remove gnrc_netreg_num"
This reverts commit c178ea879829ac2ea2252bd73312edbda19ea0bd.
---
sys/include/net/gnrc/netreg.h | 13 +++++++++++++
sys/net/gnrc/netreg/gnrc_netreg.c | 22 ++++++++++++++++++++++
2 files changed, 35 insertions(+)
diff --git a/sys/include/net/gnrc/netreg.h b/sys/include/net/gnrc/netreg.h
index 11455c703a..cea7d13635 100644
--- a/sys/include/net/gnrc/netreg.h
+++ b/sys/include/net/gnrc/netreg.h
@@ -333,6 +333,19 @@ void gnrc_netreg_unregister(gnrc_nettype_t type, gnrc_netreg_entry_t *entry);
*/
gnrc_netreg_entry_t *gnrc_netreg_lookup(gnrc_nettype_t type, uint32_t demux_ctx);
+/**
+ * @brief Returns number of entries with the same gnrc_netreg_entry_t::type and
+ * gnrc_netreg_entry_t::demux_ctx.
+ *
+ * @param[in] type Type of the protocol.
+ * @param[in] demux_ctx The demultiplexing context for the registered thread.
+ * See gnrc_netreg_entry_t::demux_ctx.
+ *
+ * @return Number of entries with the same gnrc_netreg_entry_t::type and
+ * gnrc_netreg_entry_t::demux_ctx as the given parameters.
+ */
+int gnrc_netreg_num(gnrc_nettype_t type, uint32_t demux_ctx);
+
/**
* @brief Returns the next entry after @p entry with the same
* gnrc_netreg_entry_t::type and gnrc_netreg_entry_t::demux_ctx as the
diff --git a/sys/net/gnrc/netreg/gnrc_netreg.c b/sys/net/gnrc/netreg/gnrc_netreg.c
index 8d8ef83462..c531ff9971 100644
--- a/sys/net/gnrc/netreg/gnrc_netreg.c
+++ b/sys/net/gnrc/netreg/gnrc_netreg.c
@@ -96,6 +96,28 @@ gnrc_netreg_entry_t *gnrc_netreg_lookup(gnrc_nettype_t type, uint32_t demux_ctx)
return _netreg_lookup(NULL, type, demux_ctx);
}
+int gnrc_netreg_num(gnrc_nettype_t type, uint32_t demux_ctx)
+{
+ int num = 0;
+ gnrc_netreg_entry_t *entry;
+
+ if (_INVALID_TYPE(type)) {
+ return 0;
+ }
+
+ entry = netreg[type];
+
+ while (entry != NULL) {
+ if (entry->demux_ctx == demux_ctx) {
+ num++;
+ }
+
+ entry = entry->next;
+ }
+
+ return num;
+}
+
gnrc_netreg_entry_t *gnrc_netreg_getnext(gnrc_netreg_entry_t *entry)
{
return (entry ? _netreg_lookup(entry, 0, entry->demux_ctx) : NULL);
--
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