diff options
Diffstat (limited to 'thirdparty/libwebsockets/ext/extension-permessage-deflate.h')
| -rw-r--r-- | thirdparty/libwebsockets/ext/extension-permessage-deflate.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/thirdparty/libwebsockets/ext/extension-permessage-deflate.h b/thirdparty/libwebsockets/ext/extension-permessage-deflate.h new file mode 100644 index 0000000000..8737736897 --- /dev/null +++ b/thirdparty/libwebsockets/ext/extension-permessage-deflate.h @@ -0,0 +1,41 @@ + +#include <zlib.h> + +#define DEFLATE_FRAME_COMPRESSION_LEVEL_SERVER 1 +#define DEFLATE_FRAME_COMPRESSION_LEVEL_CLIENT Z_DEFAULT_COMPRESSION + +enum arg_indexes { + PMD_SERVER_NO_CONTEXT_TAKEOVER, + PMD_CLIENT_NO_CONTEXT_TAKEOVER, + PMD_SERVER_MAX_WINDOW_BITS, + PMD_CLIENT_MAX_WINDOW_BITS, + PMD_RX_BUF_PWR2, + PMD_TX_BUF_PWR2, + PMD_COMP_LEVEL, + PMD_MEM_LEVEL, + + PMD_ARG_COUNT +}; + +struct lws_ext_pm_deflate_priv { + z_stream rx; + z_stream tx; + + unsigned char *buf_rx_inflated; /* RX inflated output buffer */ + unsigned char *buf_tx_deflated; /* TX deflated output buffer */ + + size_t count_rx_between_fin; + + unsigned char args[PMD_ARG_COUNT]; + unsigned char tx_held[5]; + unsigned char rx_held; + + unsigned char tx_init:1; + unsigned char rx_init:1; + unsigned char compressed_out:1; + unsigned char rx_held_valid:1; + unsigned char tx_held_valid:1; + unsigned char rx_append_trailer:1; + unsigned char pending_tx_trailer:1; +}; + |