Persist the server config that is received via kSCUP.

net/http/disk_cache_based_quic_server_info.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/http/disk_cache_based_quic_server_info.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/logging.h"
 #include "net/base/completion_callback.h"
@@ skipping 195 matching lines @@
 
 int DiskCacheBasedQuicServerInfo::DoReadComplete(int rv) {
   if (rv > 0)
     data_.assign(read_buffer_->data(), rv);
 
   state_ = WAIT_FOR_DATA_READY_DONE;
   return OK;
 }
 
 int DiskCacheBasedQuicServerInfo::DoWriteComplete(int rv) {
-  state_ = SET_DONE;
+  // Keep the entry open for future writes.
+  new_data_.clear();
+  state_ = NONE;
   return OK;
 }
 
 int DiskCacheBasedQuicServerInfo::DoCreateOrOpenComplete(int rv) {
   if (rv != OK) {
     state_ = SET_DONE;
   } else {
-    entry_ = data_shim_->entry;
+    if (!entry_)
+      entry_ = data_shim_->entry;

[rjshade, 2014/09/18 19:42:51]

Chromium style guide doesn't require {} around single line bodies?

[Ryan Hamilton, 2014/09/18 19:52:52]

Nope; Chrome's unofficial net/ style guide prohibits them :>

     state_ = WRITE;
   }
   return OK;
 }
 
 int DiskCacheBasedQuicServerInfo::DoGetBackend() {
   state_ = GET_BACKEND_COMPLETE;
   return http_cache_->GetBackend(&data_shim_->backend, io_callback_);
 }
 
@@ skipping 22 matching lines @@
 
   return entry_->WriteData(0 /* index */,
                            0 /* offset */,
                            write_buffer_.get(),
                            new_data_.size(),
                            io_callback_,
                            true /* truncate */);
 }
 
 int DiskCacheBasedQuicServerInfo::DoCreateOrOpen() {
-  DCHECK(entry_ == NULL);
   state_ = CREATE_OR_OPEN_COMPLETE;
+  if (entry_)
+    return OK;
+
   if (found_entry_) {
     return backend_->OpenEntry(key(), &data_shim_->entry, io_callback_);
   }
 
   return backend_->CreateEntry(key(), &data_shim_->entry, io_callback_);
 }
 
 int DiskCacheBasedQuicServerInfo::DoWaitForDataReadyDone() {
   DCHECK(!ready_);
   state_ = NONE;
@@ skipping 10 matching lines @@
 int DiskCacheBasedQuicServerInfo::DoSetDone() {
   if (entry_)
     entry_->Close();
   entry_ = NULL;
   new_data_.clear();
   state_ = NONE;
   return OK;
 }
 
 }  // namespace net