From 1223e246c91a8019675121d46e148dc73f0ca607 Mon Sep 17 00:00:00 2001
From: "gagan%netscape.com" <gagan%netscape.com>
Date: Wed, 16 Sep 1998 10:04:07 +0000
Subject: [PATCH] Moved the nucacheprotoimpl stuff here.

---
 network/cache/mkmemcac.c | 160 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 160 insertions(+)

diff --git a/network/cache/mkmemcac.c b/network/cache/mkmemcac.c
index 9502dfc7203..24afff71294 100644
--- a/network/cache/mkmemcac.c
+++ b/network/cache/mkmemcac.c
@@ -2049,4 +2049,164 @@ NET_InitMemCacProtocol(void)
     NET_RegisterProtocolImplementation(&mem_cac_proto_impl, MEMORY_CACHE_TYPE_URL);
 }
 
+typedef struct _NuCacheConData {
+    void*           cache_object;
+    NET_StreamClass *stream;
+} NuCacheConData;
+
+#define FIRST_BUFF_SIZE 1024
+
+PRIVATE int32
+net_NuCacheLoad (ActiveEntry * cur_entry)
+{
+    if (cur_entry && cur_entry->URL_s)
+    {
+        NuCacheConData* con_data = PR_NEW(NuCacheConData);
+        void* pObject = cur_entry->URL_s->cache_object;
+
+        if (!con_data || !pObject)
+        {
+            cur_entry->URL_s->error_msg = NET_ExplainErrorDetails(MK_OUT_OF_MEMORY);
+            cur_entry->status = MK_OUT_OF_MEMORY;
+            return (cur_entry->status);
+        }
+
+        cur_entry->protocol = NU_CACHE_TYPE_URL;
+        cur_entry->memory_file = TRUE; /* TODO */
+    
+        /* CacheObject->SetReadLock(pObject); */
+        cur_entry->local_file = TRUE; /* Check about this one- TODO */
+        cur_entry->con_data = con_data;
+        cur_entry->socket = NULL;
+
+        NET_SetCallNetlibAllTheTime(cur_entry->window_id, "nucache");
+        cur_entry->format_out = CLEAR_CACHE_BIT(cur_entry->format_out);
+        FE_EnableClicking(cur_entry->window_id);
+        /* Build the stream to read data from */
+        con_data->stream = NET_StreamBuilder(cur_entry->format_out, cur_entry->URL_s, cur_entry->window_id);
+        if(!con_data->stream)
+        {
+            NET_ClearCallNetlibAllTheTime(cur_entry->window_id, "nucache");
+            PR_DELETE(con_data);
+            cur_entry->URL_s->error_msg = NET_ExplainErrorDetails(MK_UNABLE_TO_CONVERT);
+            cur_entry->status = MK_UNABLE_TO_CONVERT;
+            return (cur_entry->status);
+        }
+
+        if (!cur_entry->URL_s->load_background)
+            FE_GraphProgressInit(cur_entry->window_id, cur_entry->URL_s, cur_entry->URL_s->content_length);
+    
+        /* Process the first chunk so that images can start loading */
+        if (!CacheObject_IsPartial(pObject)) /*todo- change this to is Completed */
+        {
+            char* firstBuffer = (char*) PR_Malloc(FIRST_BUFF_SIZE);
+            PRInt32 amountRead = 0;
+            if (!firstBuffer)
+            {
+                PR_DELETE(con_data);
+                cur_entry->URL_s->error_msg = NET_ExplainErrorDetails(MK_OUT_OF_MEMORY);
+                return(MK_OUT_OF_MEMORY);
+            }
+
+            amountRead = CacheObject_Read(pObject, firstBuffer, FIRST_BUFF_SIZE);
+            if (amountRead > 0)
+            {
+                cur_entry->status = (*con_data->stream->put_block)(con_data->stream, firstBuffer, amountRead);
+                if(cur_entry->status < 0)
+                {
+                    NET_ClearCallNetlibAllTheTime(cur_entry->window_id, "nucache");
+
+                    if (!cur_entry->URL_s->load_background)
+                    {
+                        FE_GraphProgressDestroy(cur_entry->window_id,
+                            cur_entry->URL_s,
+                            cur_entry->URL_s->content_length,
+                            cur_entry->bytes_received);
+                    }
+                    PR_DELETE(con_data);
+                    return (cur_entry->status);
+                }
+
+                cur_entry->bytes_received += amountRead;
+                PR_DELETE(firstBuffer);
+            }
+        }
+        else
+        {
+            cur_entry->status = 0;
+        }
+        NET_ClearCallNetlibAllTheTime(cur_entry->window_id, "nucache");
+    }
+    return cur_entry->status;
+}
+
+/* called repeatedly from NET_ProcessNet to push all the
+ * data up the stream
+ */
+PRIVATE int32
+net_ProcessNuCache (ActiveEntry * cur_entry)
+{
+    if (cur_entry && cur_entry->URL_s)
+    {
+        NuCacheConData* con_data = PR_NEW(NuCacheConData);
+        void* pObject = cur_entry->URL_s->cache_object;
+
+        if (!pObject)
+        {
+            cur_entry->status = MK_OBJECT_NOT_IN_CACHE;
+            return cur_entry->status;
+        }
+
+        /* Wait for the object to complete */
+        if (!CacheObject_GetIsCompleted(pObject))
+            return 0;
+
+        (*con_data->stream->complete)(con_data->stream);
+        PR_Free(con_data->stream);
+
+        cur_entry->status = MK_DATA_LOADED;
+        NET_ClearCallNetlibAllTheTime(cur_entry->window_id, "nucache");
+        if (!cur_entry->URL_s->load_background)
+            FE_GraphProgressDestroy(CE_WINDOW_ID,
+                                    cur_entry->URL_s,
+                                    cur_entry->URL_s->content_length,
+                                    CE_BYTES_RECEIVED);
+        return cur_entry->status;
+
+    }
+    return -1;
+}
+
+/* called by functions in mkgeturl to interrupt the loading of
+ * an object.  (Usually a user interrupt) 
+ */
+PRIVATE int32
+net_InterruptNuCache (ActiveEntry * cur_entry)
+{
+    PR_ASSERT(0); /* Not complete as yet */
+    NET_SetCallNetlibAllTheTime(cur_entry->window_id, "nucache");
+    
+    NET_ClearCallNetlibAllTheTime(cur_entry->window_id, "nucache");
+    return -1;
+}
+
+
+PRIVATE void
+net_CleanupNuCacheProtocol(void)
+{
+}
+
+void
+NET_InitNuCacheProtocol(void)
+{
+    static NET_ProtoImpl nu_cache_proto_impl;
+
+    nu_cache_proto_impl.init = net_NuCacheLoad;
+    nu_cache_proto_impl.process = net_ProcessNuCache;
+    nu_cache_proto_impl.interrupt = net_InterruptNuCache;
+    nu_cache_proto_impl.cleanup = net_CleanupNuCacheProtocol;
+
+    NET_RegisterProtocolImplementation(&nu_cache_proto_impl, NU_CACHE_TYPE_URL);
+}
+
 #endif /* MOZILLA_CLIENT */