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WebUI: Don't gzip too small payloads.

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sledgehammer999
2013-11-16 20:24:56 +02:00
parent f09328c13c
commit 35da156ad2
1 changed files with 5 additions and 1 deletions
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6
src/webui/httpresponsegenerator.cpp
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@@ -119,7 +119,11 @@ bool HttpResponseGenerator::gCompress(QByteArray &dest_buffer) {
} }
QByteArray HttpResponseGenerator::toByteArray() { QByteArray HttpResponseGenerator::toByteArray() {
if (m_gzip && m_message.size() > 0) {// prevents writing a useless and wasteful header // A gzip seems to have 23 bytes overhead.
// Also "content-encoding: gzip\r\n" is 26 bytes long
// So we only benefit from gzip if the message is bigger than 23+26 = 49
// If the message is smaller than 49 bytes we actually send MORE data if we gzip
if (m_gzip && m_message.size() > 49) {
QByteArray dest_buf; QByteArray dest_buf;
if (gCompress(dest_buf)) { if (gCompress(dest_buf)) {
setValue("content-encoding", "gzip"); setValue("content-encoding", "gzip");