From 03a87e0936cb53f8c70a0d47849c977e04c60539 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Tue, 28 Feb 2012 19:16:27 +0100
Subject: p2p: Check presence hook implementation

The MAC layer state tell if the peer device is there or not.
---
 plugins/handover.c |  2 ++
 plugins/p2p.c      | 23 ++++++++++++++++++++---
 2 files changed, 22 insertions(+), 3 deletions(-)

(limited to 'plugins')

diff --git a/plugins/handover.c b/plugins/handover.c
index 32dae30..9a00104 100644
--- a/plugins/handover.c
+++ b/plugins/handover.c
@@ -47,6 +47,8 @@ static near_bool_t handover_read(int client_fd,
 {
 	DBG("");
 
+	cb(adapter_idx, target_idx, 0);
+
 	return FALSE;
 }
 
diff --git a/plugins/p2p.c b/plugins/p2p.c
index dfa7475..7bf4807 100644
--- a/plugins/p2p.c
+++ b/plugins/p2p.c
@@ -36,6 +36,7 @@
 #include <near/log.h>
 #include <near/types.h>
 #include <near/target.h>
+#include <near/adapter.h>
 #include <near/tlv.h>
 
 #include "p2p.h"
@@ -176,10 +177,26 @@ static int p2p_read(uint32_t adapter_idx,
 	return err;
 }
 
+static int p2p_check_presence(uint32_t adapter_idx, uint32_t target_idx,
+							near_tag_io_cb cb)
+{
+	int present = -ENODEV;
+
+	DBG("Present %d", near_adapter_get_dep_state(adapter_idx));
+
+	if (near_adapter_get_dep_state(adapter_idx) == TRUE)
+		present = 0;
+
+	cb(adapter_idx, target_idx, present);
+
+	return 0;
+}
+
 static struct near_tag_driver p2p_driver = {
-	.type     = NFC_PROTO_NFC_DEP,
-	.priority = NEAR_TAG_PRIORITY_HIGH,
-	.read_tag = p2p_read,
+	.type           = NFC_PROTO_NFC_DEP,
+	.priority       = NEAR_TAG_PRIORITY_HIGH,
+	.read_tag       = p2p_read,
+	.check_presence = p2p_check_presence,
 };
 
 
-- 
cgit v1.2.3