1 files changed, 63 insertions, 0 deletions
diff --git a/src/rgw/rgw_compression.h b/src/rgw/rgw_compression.h
new file mode 100644
index 000000000..cc9386d2c
--- /dev/null
+++ b/src/rgw/rgw_compression.h
@@ -0,0 +1,63 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab ft=cpp
+
+#ifndef CEPH_RGW_COMPRESSION_H
+#define CEPH_RGW_COMPRESSION_H
+
+#include <vector>
+
+#include "compressor/Compressor.h"
+#include "rgw_putobj.h"
+#include "rgw_op.h"
+#include "rgw_compression_types.h"
+
+int rgw_compression_info_from_attr(const bufferlist& attr,
+                                   bool& need_decompress,
+                                   RGWCompressionInfo& cs_info);
+int rgw_compression_info_from_attrset(const map<string, bufferlist>& attrs,
+                                      bool& need_decompress,
+                                      RGWCompressionInfo& cs_info);
+
+class RGWGetObj_Decompress : public RGWGetObj_Filter
+{
+  CephContext* cct;
+  CompressorRef compressor;
+  RGWCompressionInfo* cs_info;
+  bool partial_content;
+  vector<compression_block>::iterator first_block, last_block;
+  off_t q_ofs, q_len;
+  uint64_t cur_ofs;
+  bufferlist waiting;
+public:
+  RGWGetObj_Decompress(CephContext* cct_, 
+                       RGWCompressionInfo* cs_info_, 
+                       bool partial_content_,
+                       RGWGetObj_Filter* next);
+  ~RGWGetObj_Decompress() override {}
+
+  int handle_data(bufferlist& bl, off_t bl_ofs, off_t bl_len) override;
+  int fixup_range(off_t& ofs, off_t& end) override;
+
+};
+
+class RGWPutObj_Compress : public rgw::putobj::Pipe
+{
+  CephContext* cct;
+  bool compressed{false};
+  CompressorRef compressor;
+  boost::optional<int32_t> compressor_message;
+  std::vector<compression_block> blocks;
+public:
+  RGWPutObj_Compress(CephContext* cct_, CompressorRef compressor,
+                     rgw::putobj::DataProcessor *next)
+    : Pipe(next), cct(cct_), compressor(compressor) {}
+
+  int process(bufferlist&& data, uint64_t logical_offset) override;
+
+  bool is_compressed() { return compressed; }
+  vector<compression_block>& get_compression_blocks() { return blocks; }
+  boost::optional<int32_t> get_compressor_message() { return compressor_message; }
+
+}; /* RGWPutObj_Compress */
+
+#endif /* CEPH_RGW_COMPRESSION_H */