Prototype of chunked transfer encoded POST.

net/base/upload_data.h

Index: net/base/upload_data.h
diff --git a/net/base/upload_data.h b/net/base/upload_data.h
index 6f7216250a40c536a8cbdf1eba70c02d67fdb342..1658c13756762f7b475f7511520e46041c5bee46 100644
--- a/net/base/upload_data.h
+++ b/net/base/upload_data.h
@@ -13,6 +13,7 @@
 #include "base/gtest_prod_util.h"
 #include "base/ref_counted.h"
 #include "googleurl/src/gurl.h"
+#include "net/base/completion_callback.h"
 #include "base/time.h"
 
 namespace net {
@@ -23,6 +24,7 @@ class UploadData : public base::RefCounted<UploadData> {
  public:
   enum Type {
     TYPE_BYTES,
+    TYPE_CHUNK,  // Indicates that more data is to come.

[wtc, 2011/01/12 02:39:02]

The more important info is "send the data immediately".

[Satish, 2011/01/13 17:43:27]

Done.

     TYPE_FILE,
     TYPE_BLOB
   };
@@ -72,6 +74,8 @@ class UploadData : public base::RefCounted<UploadData> {
       blob_url_ = blob_url;
     }
 
+    void SetToChunk(const char* bytes, int bytes_len);
+
     // Returns the byte-length of the element.  For files that do not exist, 0
     // is returned.  This is done for consistency with Mozilla.
     // Once called, this function will always return the same value.
@@ -119,6 +123,16 @@ class UploadData : public base::RefCounted<UploadData> {
 
   void AppendBlob(const GURL& blob_url);
 
+  void AppendChunk(const char* bytes, int bytes_len);
+
+  // Sets the callback to be invoked when new data is available to upload.
+  void set_data_callback(CompletionCallback* callback);

[wtc, 2011/01/12 02:39:02]

Rename this method set_chunk_callback and the member
chunk_callback_.

[Satish, 2011/01/13 17:43:27]

Done.

+
+  // Iniitalizes the object to receive chunks of upload data over time rather
+  // than all at once at connection time.

[wtc, 2011/01/12 02:39:02]

The UploadData class doesn't know about the connection, so
it is confusing to mention connection time here.

[Satish, 2011/01/13 17:43:27]

Done.

+  void set_is_chunked(bool set) { is_chunked_ = set; }
+  bool is_chunked() { return is_chunked_; }
+
   // Returns the total size in bytes of the data to upload.
   uint64 GetContentLength();
 
@@ -145,6 +159,8 @@ class UploadData : public base::RefCounted<UploadData> {
 
   std::vector<Element> elements_;
   int64 identifier_;
+  CompletionCallback* data_callback_;
+  bool is_chunked_;
 
   DISALLOW_COPY_AND_ASSIGN(UploadData);
 };