2010-09-06 Tatsuhiro Tsujikawa <t-tujikawa@users.sourceforge.net>

	Data from remote server in HTTP/FTP download are now written to
	the disk(or memory) through StreamFilter. Decoding chunked and
	gziped streams are done cascading StreamFilter.
	Removed inefficient 1byte read code.
	* src/ChunkedDecodingStreamFilter.cc
	* src/ChunkedDecodingStreamFilter.h
	* src/DownloadCommand.cc
	* src/DownloadCommand.h
	* src/GZipDecodingStreamFilter.cc
	* src/GZipDecodingStreamFilter.h
	* src/HttpConnection.cc
	* src/HttpDownloadCommand.cc
	* src/HttpResponse.cc
	* src/HttpResponse.h
	* src/HttpResponseCommand.cc
	* src/HttpResponseCommand.h
	* src/HttpSkipResponseCommand.cc
	* src/HttpSkipResponseCommand.h
	* src/Makefile.am
	* src/NullSinkStreamFilter.cc
	* src/NullSinkStreamFilter.h
	* src/RequestGroup.cc
	* src/SinkStreamFilter.cc
	* src/SinkStreamFilter.h
	* src/StreamFilter.cc
	* src/StreamFilter.h
	* test/ChunkedDecodingStreamFilterTest.cc
	* test/GZipDecodingStreamFilterTest.cc
	* test/HttpResponseTest.cc
	* test/Makefile.am
	* test/MockSegment.h

1 files changed, 65 insertions, 0 deletions

diff --git a/src/SinkStreamFilter.cc b/src/SinkStreamFilter.cc
new file mode 100644
index 00000000..dadec822
--- /dev/null
+++ b/src/SinkStreamFilter.cc
@@ -0,0 +1,65 @@
+/* <!-- copyright */
+/*
+ * aria2 - The high speed download utility
+ *
+ * Copyright (C) 2010 Tatsuhiro Tsujikawa
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * In addition, as a special exception, the copyright holders give
+ * permission to link the code of portions of this program with the
+ * OpenSSL library under certain conditions as described in each
+ * individual source file, and distribute linked combinations
+ * including the two.
+ * You must obey the GNU General Public License in all respects
+ * for all of the code used other than OpenSSL.  If you modify
+ * file(s) with this exception, you may extend this exception to your
+ * version of the file(s), but you are not obligated to do so.  If you
+ * do not wish to do so, delete this exception statement from your
+ * version.  If you delete this exception statement from all source
+ * files in the program, then also delete it here.
+ */
+/* copyright --> */
+#include "SinkStreamFilter.h"
+#include "BinaryStream.h"
+#include "Segment.h"
+
+namespace aria2 {
+
+const std::string SinkStreamFilter::NAME("SinkStreamFilter");
+
+SinkStreamFilter::SinkStreamFilter(bool hashUpdate):
+  hashUpdate_(hashUpdate),
+  bytesProcessed_(0) {}
+
+ssize_t SinkStreamFilter::transform
+(const SharedHandle<BinaryStream>& out,
+ const SharedHandle<Segment>& segment,
+ const unsigned char* inbuf, size_t inlen)
+{
+  if(inlen > 0) {
+    out->writeData(inbuf, inlen, segment->getPositionToWrite());
+#ifdef ENABLE_MESSAGE_DIGEST
+    if(hashUpdate_) {
+      segment->updateHash(segment->getWrittenLength(), inbuf, inlen);
+    }
+#endif // ENABLE_MESSAGE_DIGEST
+    segment->updateWrittenLength(inlen);
+  }
+  bytesProcessed_ = inlen;
+  return bytesProcessed_;
+}
+
+} // namespace aria2