C AMQP Protocol Engine API  0.7
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framing.h
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1 #ifndef PROTON_FRAMING_H
2 #define PROTON_FRAMING_H 1
3 
4 /*
5  *
6  * Licensed to the Apache Software Foundation (ASF) under one
7  * or more contributor license agreements. See the NOTICE file
8  * distributed with this work for additional information
9  * regarding copyright ownership. The ASF licenses this file
10  * to you under the Apache License, Version 2.0 (the
11  * "License"); you may not use this file except in compliance
12  * with the License. You may obtain a copy of the License at
13  *
14  * http://www.apache.org/licenses/LICENSE-2.0
15  *
16  * Unless required by applicable law or agreed to in writing,
17  * software distributed under the License is distributed on an
18  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
19  * KIND, either express or implied. See the License for the
20  * specific language governing permissions and limitations
21  * under the License.
22  *
23  */
24 
25 #include <proton/import_export.h>
26 #include <proton/type_compat.h>
27 #include <sys/types.h>
28 
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32 
33 #define AMQP_HEADER_SIZE (8)
34 #define AMQP_MIN_MAX_FRAME_SIZE ((uint32_t)512) // minimum allowable max-frame
35 
36 typedef struct {
37  uint8_t type;
38  uint16_t channel;
39  size_t ex_size;
40  const char *extended;
41  size_t size;
42  const char *payload;
43 } pn_frame_t;
44 
45 PN_EXTERN size_t pn_read_frame(pn_frame_t *frame, const char *bytes, size_t available);
46 PN_EXTERN size_t pn_write_frame(char *bytes, size_t size, pn_frame_t frame);
47 
48 #ifdef __cplusplus
49 }
50 #endif
51 
52 #endif /* framing.h */