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msgencode.h
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1 /*
2  * util/data/msgencode.h - encode compressed DNS messages.
3  *
4  * Copyright (c) 2007, NLnet Labs. All rights reserved.
5  *
6  * This software is open source.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
17  * and/or other materials provided with the distribution.
18  *
19  * Neither the name of the NLNET LABS nor the names of its contributors may
20  * be used to endorse or promote products derived from this software without
21  * specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27  * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
29  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
31  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34  */
35 
43 #ifndef UTIL_DATA_MSGENCODE_H
44 #define UTIL_DATA_MSGENCODE_H
45 struct sldns_buffer;
46 struct query_info;
47 struct reply_info;
48 struct regional;
49 struct edns_data;
50 
69 int reply_info_answer_encode(struct query_info* qinf, struct reply_info* rep,
70  uint16_t id, uint16_t qflags, struct sldns_buffer* dest, time_t timenow,
71  int cached, struct regional* region, uint16_t udpsize,
72  struct edns_data* edns, int dnssec, int secure);
73 
91 int reply_info_encode(struct query_info* qinfo, struct reply_info* rep,
92  uint16_t id, uint16_t flags, struct sldns_buffer* buffer, time_t timenow,
93  struct regional* region, uint16_t udpsize, int dnssec);
94 
100 void qinfo_query_encode(struct sldns_buffer* pkt, struct query_info* qinfo);
101 
108 
115 void attach_edns_record(struct sldns_buffer* pkt, struct edns_data* edns);
116 
128 void error_encode(struct sldns_buffer* pkt, int r, struct query_info* qinfo,
129  uint16_t qid, uint16_t qflags, struct edns_data* edns);
130 
131 #endif /* UTIL_DATA_MSGENCODE_H */
void attach_edns_record(struct sldns_buffer *pkt, struct edns_data *edns)
CXA_THROW_INFO_T void(* dest)(void *))
Definition: stack_trace.cpp:91
unsigned short uint16_t
Definition: stdint.h:125
void error_encode(struct sldns_buffer *pkt, int r, struct query_info *qinfo, uint16_t qid, uint16_t qflags, struct edns_data *edns)
int reply_info_answer_encode(struct query_info *qinf, struct reply_info *rep, uint16_t id, uint16_t qflags, struct sldns_buffer *dest, time_t timenow, int cached, struct regional *region, uint16_t udpsize, struct edns_data *edns, int dnssec, int secure)
void qinfo_query_encode(struct sldns_buffer *pkt, struct query_info *qinfo)
int reply_info_encode(struct query_info *qinfo, struct reply_info *rep, uint16_t id, uint16_t flags, struct sldns_buffer *buffer, time_t timenow, struct regional *region, uint16_t udpsize, int dnssec)
uint16_t calc_edns_field_size(struct edns_data *edns)