for #319, copy all data to request for source.
for #319, copy all data to request for source.

winlinvip/srs,avplus/srs,zhiliaoniu/simple-rtmp-server,icevl/srs,winlinvip/srs,winlinvip/simple-rtmp-server,tribbiani/srs,avplus/srs,zhiliaoniu/simple-rtmp-server,Vincent0209/simple-rtmp-server,tribbiani/srs,zhiliaoniu/simple-rtmp-server,drunknbass/srs,avplus/srs,drunknbass/srs,ossrs/srs,myself659/simple-rtmp-server,drunknbass/srs,zhiliaoniu/simple-rtmp-server,myself659/simple-rtmp-server,ossrs/srs,Vincent0209/simple-rtmp-server,tribbiani/srs,icevl/srs,myself659/simple-rtmp-server,ossrs/srs,winlinvip/srs,zhiliaoniu/simple-rtmp-server,Vincent0209/simple-rtmp-server,drunknbass/srs,winlinvip/srs,myself659/simple-rtmp-server,myself659/simple-rtmp-server,avplus/srs,ossrs/srs,tribbiani/srs,Vincent0209/simple-rtmp-server,tribbiani/srs,zhiliaoniu/simple-rtmp-server,ossrs/srs,tribbiani/srs,avplus/srs,Vincent0209/simple-rtmp-server,myself659/simple-rtmp-server,Vincent0209/simple-rtmp-server,icevl/srs,icevl/srs,winlinvip/srs,drunknbass/srs,tribbiani/srs,icevl/srs,drunknbass/srs,icevl/srs,avplus/srs,avplus/srs,winlinvip/srs,ossrs/srs