1 /**
2  * Copyright (c) 2021, Timothy Stack
3  *
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * * Redistributions of source code must retain the above copyright notice, this
10  * list of conditions and the following disclaimer.
11  * * Redistributions in binary form must reproduce the above copyright notice,
12  * this list of conditions and the following disclaimer in the documentation
13  * and/or other materials provided with the distribution.
14  * * Neither the name of Timothy Stack nor the names of its contributors
15  * may be used to endorse or promote products derived from this software
16  * without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21  * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #ifndef lnav_tailer_h
31 #define lnav_tailer_h
32 
33 #ifndef __COSMOPOLITAN__
34 #include <sys/types.h>
35 #endif
36 
37 typedef enum {
38     TPPT_DONE,
39     TPPT_STRING,
40     TPPT_HASH,
41     TPPT_INT64,
42     TPPT_BITS,
43 } tailer_packet_payload_type_t;
44 
45 typedef enum {
46     TPT_ERROR,
47     TPT_OPEN_PATH,
48     TPT_CLOSE_PATH,
49     TPT_OFFER_BLOCK,
50     TPT_NEED_BLOCK,
51     TPT_ACK_BLOCK,
52     TPT_TAIL_BLOCK,
53     TPT_LINK_BLOCK,
54     TPT_SYNCED,
55     TPT_LOG,
56     TPT_LOAD_PREVIEW,
57     TPT_PREVIEW_ERROR,
58     TPT_PREVIEW_DATA,
59     TPT_COMPLETE_PATH,
60     TPT_POSSIBLE_PATH,
61     TPT_ANNOUNCE,
62 } tailer_packet_type_t;
63 
64 #ifdef __cplusplus
65 extern "C" {
66 #endif
67 
68 ssize_t send_packet(int fd,
69                     tailer_packet_type_t tpt,
70                     tailer_packet_payload_type_t payload_type,
71                     ...);
72 
73 #ifdef __cplusplus
74 };
75 #endif
76 
77 #endif
78