From f6092c8427856595b8397ed201ee4c1567fd13ee Mon Sep 17 00:00:00 2001
From: Volker Birk <vb@pep-project.org>
Date: Tue, 28 Jul 2020 17:59:20 +0200
Subject: [PATCH] cache release function

---
 message_cache.cc           | 10 +++++++++-
 message_cache.hh           |  4 +++-
 test/test_message_cache.cc |  4 ++++
 3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/message_cache.cc b/message_cache.cc
index 73111a3..9d15865 100644
--- a/message_cache.cc
+++ b/message_cache.cc
@@ -16,7 +16,7 @@ namespace pEp {
                 rating, flags);
     }
 
-    PEP_STATUS MessageCache::cached_mime_encode_message(
+    PEP_STATUS MessageCache::cache_mime_encode_message(
             which one,
             const message * msg,
             bool omit_fields,
@@ -28,6 +28,14 @@ namespace pEp {
                 mimetext, has_pEp_msg_attachment);
     }
 
+    void MessageCache::cache_release(std::string id)
+    {
+        try {
+            message_cache._cache.erase(id);
+        }
+        catch (...) { }
+    }
+
     static char *dup(const char *src)
     {
         if (!src)
diff --git a/message_cache.hh b/message_cache.hh
index 8b86e66..7e4502b 100644
--- a/message_cache.hh
+++ b/message_cache.hh
@@ -33,7 +33,7 @@ namespace pEp {
 
         enum which { msg_src, msg_dst };;
 
-        static PEP_STATUS cached_mime_encode_message(
+        static PEP_STATUS cache_mime_encode_message(
                 which one,
                 const message * msg,
                 bool omit_fields,
@@ -41,6 +41,8 @@ namespace pEp {
                 bool has_pEp_msg_attachment     
             );
 
+        static void cache_release(std::string id);
+
     protected:
         DYNAMIC_API PEP_STATUS decrypt_message(
                 PEP_SESSION session,
diff --git a/test/test_message_cache.cc b/test/test_message_cache.cc
index 64e6a21..def3bcc 100644
--- a/test/test_message_cache.cc
+++ b/test/test_message_cache.cc
@@ -33,6 +33,8 @@ int main()
     src->attachments = new_bloblist(strdup("blobdata"), 8, "application/octet-stream", "blob.data");
     assert(src->attachments && src->attachments->value);
 
+    // add to cache
+
     ::message *dst = nullptr;
     PEP_rating rating;
     PEP_decrypt_flags_t flags = 0;
@@ -49,6 +51,8 @@ int main()
     assert(string(src->longmsg) == "pEp");
     assert(src->attachments == nullptr);
 
+    // remove from cache
+
     cout << status << endl;
 
     ::free_message(src);