74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/* packet-http2.h
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* Routines for HTTP/2 dissection
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef __PACKET_HTTP2_H__
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#define __PACKET_HTTP2_H__
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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int dissect_http2_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_ );
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/** Get header value from current or the other direction stream.
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* Return the value of a header if it appear in previous HEADERS or PROMISE frames in
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* current or the other direction stream. Subdissector may invoke this function to get http2
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* header value.
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* @param pinfo packet info pointer. Http2 dissector passes it to subdissector
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* when dissecting http2.data.data.
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* @param name the name of header.
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* @param the_other_direction FALSE means from current direction stream, TRUE from the other.
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* @return NULL if header was not found. Or header value. Note: the value is allocated
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* by wmem_packet_scope().
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*/
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const gchar* http2_get_header_value(packet_info *pinfo, const gchar* name, gboolean the_other_direction);
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/**
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* Get the HTTP/2 Stream ID for the current PDU (typically the DATA frame).
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* Only valid when called from a HTTP/2 subdissector.
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* Returns 0 if no HTTP/2 session was found.
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*/
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guint32 http2_get_stream_id(packet_info *pinfo);
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/**
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* Retrieves the HTTP/2 Stream ID which is smaller than or equal to the provided
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* ID. If available, sub_stream_id_out will be set and TRUE is returned.
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*/
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WS_DLL_PUBLIC gboolean
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http2_get_stream_id_le(guint streamid, guint sub_stream_id, guint *sub_stream_id_out);
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/**
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* Retrieves the HTTP/2 Stream ID which is greater than or equal to the provided
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* ID. If available, sub_stream_id_out will be set and TRUE is returned.
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*/
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WS_DLL_PUBLIC gboolean
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http2_get_stream_id_ge(guint streamid, guint sub_stream_id, guint *sub_stream_id_out);
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WS_DLL_PUBLIC void
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dissect_http2_settings_ext(tvbuff_t* tvb, packet_info* pinfo _U_, proto_tree* http2_tree, guint offset);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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