From 3ba208a96dcdf29542ef64f4eeb3978f546b18c3 Mon Sep 17 00:00:00 2001
From: Antti Yli-Tokola <antti.yli-tokola@arm.com>
Date: Thu, 22 Feb 2018 17:57:12 +0200
Subject: [PATCH] Update mbed-coap to version 4.3.0

Add new api to clear whole sent blockwise message list
---
 .../FEATURE_COMMON_PAL/mbed-coap/CHANGELOG.md |  6 ++++++
 .../mbed-coap/mbed-coap/sn_coap_protocol.h    |  9 ++++++++
 .../FEATURE_COMMON_PAL/mbed-coap/module.json  |  2 +-
 .../mbed-coap/source/sn_coap_protocol.c       | 21 +++++++++++++++++++
 4 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/features/FEATURE_COMMON_PAL/mbed-coap/CHANGELOG.md b/features/FEATURE_COMMON_PAL/mbed-coap/CHANGELOG.md
index 5578d8fc1f..95d4b0f81e 100644
--- a/features/FEATURE_COMMON_PAL/mbed-coap/CHANGELOG.md
+++ b/features/FEATURE_COMMON_PAL/mbed-coap/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## [v4.3.0](https://github.com/ARMmbed/mbed-coap/releases/tag/v4.3.0) 
+**New feature:**
+-  Add new API which clears the whole sent blockwise message list
+
+-[Full Changelog](https://github.com/ARMmbed/mbed-coap/compare/v4.2.0...v4.3.0)
+
 ## [v4.2.0](https://github.com/ARMmbed/mbed-coap/releases/tag/v4.2.0) 
 **New feature:**
 -  Add new API to remove sent blockwise message from the linked list
diff --git a/features/FEATURE_COMMON_PAL/mbed-coap/mbed-coap/sn_coap_protocol.h b/features/FEATURE_COMMON_PAL/mbed-coap/mbed-coap/sn_coap_protocol.h
index e71a367244..345c3672e6 100644
--- a/features/FEATURE_COMMON_PAL/mbed-coap/mbed-coap/sn_coap_protocol.h
+++ b/features/FEATURE_COMMON_PAL/mbed-coap/mbed-coap/sn_coap_protocol.h
@@ -247,6 +247,15 @@ extern int8_t sn_coap_convert_block_size(uint16_t block_size);
  */
 extern int8_t sn_coap_protocol_handle_block2_response_internally(struct coap_s *handle, uint8_t handle_response);
 
+/**
+ * \fn void sn_coap_protocol_clear_sent_blockwise_messages(struct coap_s *handle)
+ *
+ * \brief This function clears all the sent blockwise messages from the linked list.
+ *
+ * \param *handle Pointer to CoAP library handle
+ */
+extern void sn_coap_protocol_clear_sent_blockwise_messages(struct coap_s *handle);
+
 #endif /* SN_COAP_PROTOCOL_H_ */
 
 #ifdef __cplusplus
diff --git a/features/FEATURE_COMMON_PAL/mbed-coap/module.json b/features/FEATURE_COMMON_PAL/mbed-coap/module.json
index 07db997ae1..b54fb79b9c 100644
--- a/features/FEATURE_COMMON_PAL/mbed-coap/module.json
+++ b/features/FEATURE_COMMON_PAL/mbed-coap/module.json
@@ -1,6 +1,6 @@
 {
   "name": "mbed-coap",
-  "version": "4.2.0",
+  "version": "4.3.0",
   "description": "COAP library",
   "keywords": [
     "coap",
diff --git a/features/FEATURE_COMMON_PAL/mbed-coap/source/sn_coap_protocol.c b/features/FEATURE_COMMON_PAL/mbed-coap/source/sn_coap_protocol.c
index 472f2361aa..6cdcb7ea95 100644
--- a/features/FEATURE_COMMON_PAL/mbed-coap/source/sn_coap_protocol.c
+++ b/features/FEATURE_COMMON_PAL/mbed-coap/source/sn_coap_protocol.c
@@ -256,6 +256,27 @@ int8_t sn_coap_protocol_set_block_size(struct coap_s *handle, uint16_t block_siz
 
 }
 
+void sn_coap_protocol_clear_sent_blockwise_messages(struct coap_s *handle)
+{
+    (void) handle;
+#if SN_COAP_MAX_BLOCKWISE_PAYLOAD_SIZE
+    if (handle == NULL) {
+        return;
+    }
+
+    /* Loop all stored Blockwise messages in Linked list */
+    ns_list_foreach_safe(coap_blockwise_msg_s, removed_blocwise_msg_ptr, &handle->linked_list_blockwise_sent_msgs) {
+        if (removed_blocwise_msg_ptr->coap_msg_ptr) {
+            handle->sn_coap_protocol_free(removed_blocwise_msg_ptr->coap_msg_ptr->payload_ptr);
+            removed_blocwise_msg_ptr->coap_msg_ptr->payload_ptr = 0;
+            sn_coap_parser_release_allocated_coap_msg_mem(handle, removed_blocwise_msg_ptr->coap_msg_ptr);
+            removed_blocwise_msg_ptr->coap_msg_ptr = 0;
+        }
+        sn_coap_protocol_linked_list_blockwise_msg_remove(handle, removed_blocwise_msg_ptr);
+    }
+#endif
+}
+
 int8_t sn_coap_protocol_set_duplicate_buffer_size(struct coap_s *handle, uint8_t message_count)
 {
     (void) handle;