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gzip method support
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parent
5a9bff2000
commit
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@ -30,13 +30,13 @@ import (
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)
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)
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var (
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var (
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//Content will only be compressed if content length is either unknown or greater than minGzipSize.
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//Content will only be compressed if content length is either unknown or greater than minGzipSize.
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gzipMinLength int
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gzipMinLength int
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//Default size==20B like nginx
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//Default size==20B like nginx
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defaultGzipMinLength=20
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defaultGzipMinLength = 20
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//The compression level used for deflate compression. (0-9).
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//The compression level used for deflate compression. (0-9).
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gzipCompressLevel int
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gzipCompressLevel int
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//List of HTTP methods to compress. If not set, only GET requests are compressed.
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//List of HTTP methods to compress. If not set, only GET requests are compressed.
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includedMethods map[string]bool
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includedMethods map[string]bool
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getMethodOnly bool
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getMethodOnly bool
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)
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)
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@ -96,9 +96,11 @@ func (ac acceptEncoder) put(wr resetWriter, level int) {
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return
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return
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}
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}
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wr.Reset(nil)
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wr.Reset(nil)
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//notice
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//notice
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//compressionLevel==BestCompression DOES NOT MATTER
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//compressionLevel==BestCompression DOES NOT MATTER
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//sync.Pool will not memory leak
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//sync.Pool will not memory leak
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switch level {
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switch level {
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case gzipCompressLevel:
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case gzipCompressLevel:
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ac.customCompressLevelPool.Put(wr)
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ac.customCompressLevelPool.Put(wr)
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@ -116,10 +118,10 @@ var (
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bestCompressionPool: &sync.Pool{New: func() interface{} { wr, _ := gzip.NewWriterLevel(nil, flate.BestCompression); return wr }},
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bestCompressionPool: &sync.Pool{New: func() interface{} { wr, _ := gzip.NewWriterLevel(nil, flate.BestCompression); return wr }},
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}
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}
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//according to the sec :http://tools.ietf.org/html/rfc2616#section-3.5 ,the deflate compress in http is zlib indeed
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//according to the sec :http://tools.ietf.org/html/rfc2616#section-3.5 ,the deflate compress in http is zlib indeed
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//deflate
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//deflate
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//The "zlib" format defined in RFC 1950 [31] in combination with
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//The "zlib" format defined in RFC 1950 [31] in combination with
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//the "deflate" compression mechanism described in RFC 1951 [29].
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//the "deflate" compression mechanism described in RFC 1951 [29].
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deflateCompressEncoder = acceptEncoder{
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deflateCompressEncoder = acceptEncoder{
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name: "deflate",
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name: "deflate",
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levelEncode: func(level int) resetWriter { wr, _ := zlib.NewWriterLevel(nil, level); return wr },
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levelEncode: func(level int) resetWriter { wr, _ := zlib.NewWriterLevel(nil, level); return wr },
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