Add net to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@14 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 71 insertions, 0 deletions

diff --git a/net/base/upload_data.cc b/net/base/upload_data.cc
new file mode 100644
index 0000000..ec15435
--- /dev/null
+++ b/net/base/upload_data.cc
@@ -0,0 +1,71 @@
+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <windows.h>
+
+#include "net/base/upload_data.h"
+
+namespace net {
+
+uint64 UploadData::GetContentLength() const {
+  uint64 len = 0;
+  std::vector<Element>::const_iterator it = elements_.begin();
+  for (; it != elements_.end(); ++it)
+    len += (*it).GetContentLength();
+  return len;
+}
+
+uint64 UploadData::Element::GetContentLength() const {
+  if (type_ == TYPE_BYTES)
+    return static_cast<uint64>(bytes_.size());
+
+  DCHECK(type_ == TYPE_FILE);
+
+  // NOTE: wininet is unable to upload files larger than 4GB, but we'll let the
+  // http layer worry about that.
+  // TODO(darin): This size calculation could be out of sync with the state of
+  // the file when we get around to reading it.  We should probably find a way
+  // to lock the file or somehow protect against this error condition.
+
+  WIN32_FILE_ATTRIBUTE_DATA info;
+  if (!GetFileAttributesEx(file_path_.c_str(), GetFileExInfoStandard, &info)) {
+    DLOG(WARNING) << "GetFileAttributesEx failed: " << GetLastError();
+    return 0;
+  }
+
+  uint64 length = static_cast<uint64>(info.nFileSizeHigh) << 32 |
+                  info.nFileSizeLow;
+  if (file_range_offset_ >= length)
+    return 0;  // range is beyond eof
+
+  // compensate for the offset and clip file_range_length_ to eof
+  return std::min(length - file_range_offset_, file_range_length_);
+}
+
+}  // namespace net