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Hi, I am looking to understand the protocol between renderd and mod_tile. I can capture the data thats going across the network, thats easy, and I have found this https://github.com/openstreetmap/mod_tile/blob/master/protocol.h but of course that does not tell me how the c variables translate into bits on the network and I am unable to find much more with Google. Any documentation on what mod_tile sends down the socket to renderd and what renderd sends back would be very helpful. Thanks Scott |
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The struct you're seeing in protocol.h is what gets sent over the network, verbatim. See https://github.com/openstreetmap/mod_tile/blob/master/mod_tile.c#L216 which does the sending. The same struct is used as a return message, see https://github.com/openstreetmap/mod_tile/blob/master/mod_tile.c#L246 which receives the message. |
