[fetcher] use lz4 encoding

[fetcher] use lz4 encoding
commit_hash:e29504c1f68be2a5d138dbba0ed461b2f2568b97

1 files changed, 15 insertions, 0 deletions

diff --git a/library/cpp/monlib/encode/format.cpp b/library/cpp/monlib/encode/format.cpp
index 63f9932aad2..dbcc2411f46 100644
--- a/library/cpp/monlib/encode/format.cpp
+++ b/library/cpp/monlib/encode/format.cpp
@@ -97,6 +97,21 @@ namespace NMonitoring {
         return CompressionFromHeader(value);
     }
 
+    ECompression FastestCompressionFromAcceptEncodingHeader(TStringBuf value) {
+        if (value.empty()) {
+            return ECompression::UNKNOWN;
+        }
+
+        for (const auto& it : StringSplitter(value).Split(',').SkipEmpty()) {
+            TStringBuf token = StripString(it.Token());
+            if (AsciiEqualsIgnoreCase(token, NFormatContentEncoding::LZ4)) {
+                return ECompression::LZ4;
+            }
+        }
+
+        return CompressionFromAcceptEncodingHeader(value);
+    }
+
     TStringBuf ContentEncodingByCompression(ECompression compression) {
         switch (compression) {
             case ECompression::IDENTITY: