bool ZlibCompress(const google::protobuf::Message& res, butil::IOBuf* buf) {
butil::IOBufAsZeroCopyOutputStream wrapper(buf);
google::protobuf::io::GzipOutputStream::Options zlib_opt;
zlib_opt.format = google::protobuf::io::GzipOutputStream::ZLIB;
google::protobuf::io::GzipOutputStream zlib(&wrapper, zlib_opt);
return res.SerializeToZeroCopyStream(&zlib) && zlib.Close();
}
// zlibd data
string cpp_zlibd(string& pData) {
string unzipped;
ZlibDecompressor zlib(new StringSink(unzipped));
zlib.Put((PBYTE)pData.data(),pData.length());
zlib.MessageEnd();
return unzipped;
}
// zlibc data
string cpp_zlibc(string& pData) {
string zipped;
ZlibCompressor zlib(new StringSink(zipped),5); // 1 is fast, 9 is slow
zlib.Put((PBYTE)pData.data(), pData.length());
zlib.MessageEnd();
return zipped;
}
bool ZlibDecompress(const butil::IOBuf& data, google::protobuf::Message* req) {
butil::IOBufAsZeroCopyInputStream wrapper(data);
google::protobuf::io::GzipInputStream zlib(
&wrapper, google::protobuf::io::GzipInputStream::ZLIB);
return ParsePbFromZeroCopyStream(req, &zlib);
}
