diff options
Diffstat (limited to 'thirdparty/libwebsockets/lib/roles/ws/private.h')
| -rw-r--r-- | thirdparty/libwebsockets/lib/roles/ws/private.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/thirdparty/libwebsockets/lib/roles/ws/private.h b/thirdparty/libwebsockets/lib/roles/ws/private.h new file mode 100644 index 0000000000..71ffcaea96 --- /dev/null +++ b/thirdparty/libwebsockets/lib/roles/ws/private.h @@ -0,0 +1,164 @@ +/* + * libwebsockets - small server side websockets and web server implementation + * + * Copyright (C) 2010 - 2018 Andy Green <andy@warmcat.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation: + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * This is included from core/private.h if LWS_ROLE_WS + */ + +extern struct lws_role_ops role_ops_ws; + +#define lwsi_role_ws(wsi) (wsi->role_ops == &role_ops_ws) + +enum lws_rx_parse_state { + LWS_RXPS_NEW, + + LWS_RXPS_04_mask_1, + LWS_RXPS_04_mask_2, + LWS_RXPS_04_mask_3, + + LWS_RXPS_04_FRAME_HDR_1, + LWS_RXPS_04_FRAME_HDR_LEN, + LWS_RXPS_04_FRAME_HDR_LEN16_2, + LWS_RXPS_04_FRAME_HDR_LEN16_1, + LWS_RXPS_04_FRAME_HDR_LEN64_8, + LWS_RXPS_04_FRAME_HDR_LEN64_7, + LWS_RXPS_04_FRAME_HDR_LEN64_6, + LWS_RXPS_04_FRAME_HDR_LEN64_5, + LWS_RXPS_04_FRAME_HDR_LEN64_4, + LWS_RXPS_04_FRAME_HDR_LEN64_3, + LWS_RXPS_04_FRAME_HDR_LEN64_2, + LWS_RXPS_04_FRAME_HDR_LEN64_1, + + LWS_RXPS_07_COLLECT_FRAME_KEY_1, + LWS_RXPS_07_COLLECT_FRAME_KEY_2, + LWS_RXPS_07_COLLECT_FRAME_KEY_3, + LWS_RXPS_07_COLLECT_FRAME_KEY_4, + + LWS_RXPS_WS_FRAME_PAYLOAD +}; + +enum lws_websocket_opcodes_07 { + LWSWSOPC_CONTINUATION = 0, + LWSWSOPC_TEXT_FRAME = 1, + LWSWSOPC_BINARY_FRAME = 2, + + LWSWSOPC_NOSPEC__MUX = 7, + + /* control extensions 8+ */ + + LWSWSOPC_CLOSE = 8, + LWSWSOPC_PING = 9, + LWSWSOPC_PONG = 0xa, +}; + +/* this is not usable directly by user code any more, lws_close_reason() */ +#define LWS_WRITE_CLOSE 4 + +#define ALREADY_PROCESSED_IGNORE_CHAR 1 +#define ALREADY_PROCESSED_NO_CB 2 + +#if !defined(LWS_WITHOUT_EXTENSIONS) +struct lws_vhost_role_ws { + const struct lws_extension *extensions; +}; + +struct lws_pt_role_ws { + struct lws *rx_draining_ext_list; + struct lws *tx_draining_ext_list; +}; +#endif + +struct _lws_websocket_related { + char *rx_ubuf; +#if !defined(LWS_WITHOUT_EXTENSIONS) + const struct lws_extension *active_extensions[LWS_MAX_EXTENSIONS_ACTIVE]; + void *act_ext_user[LWS_MAX_EXTENSIONS_ACTIVE]; + struct lws *rx_draining_ext_list; + struct lws *tx_draining_ext_list; +#endif + /* Also used for close content... control opcode == < 128 */ + uint8_t ping_payload_buf[128 - 3 + LWS_PRE]; + uint8_t mask[4]; + + time_t time_next_ping_check; + size_t rx_packet_length; + uint32_t rx_ubuf_head; + uint32_t rx_ubuf_alloc; + + uint8_t ping_payload_len; + uint8_t mask_idx; + uint8_t opcode; + uint8_t rsv; + uint8_t rsv_first_msg; + /* zero if no info, or length including 2-byte close code */ + uint8_t close_in_ping_buffer_len; + uint8_t utf8; + uint8_t stashed_write_type; + uint8_t tx_draining_stashed_wp; + uint8_t ietf_spec_revision; + + unsigned int final:1; + unsigned int frame_is_binary:1; + unsigned int all_zero_nonce:1; + unsigned int this_frame_masked:1; + unsigned int inside_frame:1; /* next write will be more of frame */ + unsigned int clean_buffer:1; /* buffer not rewritten by extension */ + unsigned int payload_is_close:1; /* process as PONG, but it is close */ + unsigned int ping_pending_flag:1; + unsigned int continuation_possible:1; + unsigned int owed_a_fin:1; + unsigned int check_utf8:1; + unsigned int defeat_check_utf8:1; + unsigned int stashed_write_pending:1; + unsigned int send_check_ping:1; + unsigned int first_fragment:1; + unsigned int peer_has_sent_close:1; +#if !defined(LWS_WITHOUT_EXTENSIONS) + unsigned int extension_data_pending:1; + unsigned int rx_draining_ext:1; + unsigned int tx_draining_ext:1; + + uint8_t count_act_ext; +#endif +}; + +int +lws_ws_handshake_client(struct lws *wsi, unsigned char **buf, size_t len); + +#if !defined(LWS_WITHOUT_EXTENSIONS) +LWS_VISIBLE void +lws_context_init_extensions(const struct lws_context_creation_info *info, + struct lws_context *context); +LWS_EXTERN int +lws_any_extension_handled(struct lws *wsi, enum lws_extension_callback_reasons r, + void *v, size_t len); + +LWS_EXTERN int +lws_ext_cb_active(struct lws *wsi, int reason, void *buf, int len); +LWS_EXTERN int +lws_ext_cb_all_exts(struct lws_context *context, struct lws *wsi, int reason, + void *arg, int len); +#endif + +int +handshake_0405(struct lws_context *context, struct lws *wsi); +int +lws_process_ws_upgrade(struct lws *wsi); +int +lws_server_init_wsi_for_ws(struct lws *wsi); |