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