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642ec66d MD |
1 | /* |
2 | * BabelTrace - Common Trace Format (CTF) | |
3 | * | |
4 | * CTF Text Format registration. | |
5 | * | |
6 | * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | */ | |
18 | ||
19 | #include <babeltrace/format.h> | |
20 | #include <babeltrace/ctf-text/types.h> | |
21 | #include <babeltrace/babeltrace.h> | |
22 | #include <inttypes.h> | |
23 | #include <uuid/uuid.h> | |
24 | #include <sys/mman.h> | |
25 | #include <errno.h> | |
26 | #include <sys/types.h> | |
27 | #include <sys/stat.h> | |
28 | #include <fcntl.h> | |
29 | #include <dirent.h> | |
30 | #include <glib.h> | |
31 | #include <unistd.h> | |
32 | #include <stdlib.h> | |
33 | ||
34 | struct trace_descriptor *ctf_text_open_trace(const char *path, int flags); | |
35 | void ctf_text_close_trace(struct trace_descriptor *descriptor); | |
36 | ||
642ec66d MD |
37 | static |
38 | rw_dispatch write_dispatch_table[] = { | |
39 | [ CTF_TYPE_INTEGER ] = ctf_text_integer_write, | |
40 | [ CTF_TYPE_FLOAT ] = ctf_text_float_write, | |
41 | [ CTF_TYPE_ENUM ] = ctf_text_enum_write, | |
42 | [ CTF_TYPE_STRING ] = ctf_text_string_write, | |
43 | [ CTF_TYPE_STRUCT ] = ctf_text_struct_write, | |
44 | [ CTF_TYPE_VARIANT ] = ctf_text_variant_write, | |
45 | [ CTF_TYPE_ARRAY ] = ctf_text_array_write, | |
46 | [ CTF_TYPE_SEQUENCE ] = ctf_text_sequence_write, | |
47 | }; | |
48 | ||
49 | static | |
50 | struct format ctf_text_format = { | |
51 | .open_trace = ctf_text_open_trace, | |
52 | .close_trace = ctf_text_close_trace, | |
53 | }; | |
54 | ||
55 | struct trace_descriptor *ctf_text_open_trace(const char *path, int flags) | |
56 | { | |
57 | struct ctf_text_stream_pos *pos; | |
58 | FILE *fp; | |
59 | ||
60 | pos = g_new0(struct ctf_text_stream_pos, 1); | |
61 | ||
62 | switch (flags & O_ACCMODE) { | |
63 | case O_WRONLY: | |
b61922b5 MD |
64 | if (!path) |
65 | path = "/dev/stdout"; | |
642ec66d MD |
66 | fp = fopen(path, "w"); |
67 | if (!fp) | |
68 | goto error; | |
69 | pos->fp = fp; | |
70 | pos->parent.rw_table = write_dispatch_table; | |
71 | break; | |
72 | case O_RDONLY: | |
73 | default: | |
74 | fprintf(stdout, "[error] Incorrect open flags.\n"); | |
75 | goto error; | |
76 | } | |
77 | ||
78 | return &pos->trace_descriptor; | |
79 | error: | |
80 | g_free(pos); | |
81 | return NULL; | |
82 | } | |
83 | ||
84 | void ctf_text_close_trace(struct trace_descriptor *td) | |
85 | { | |
86 | struct ctf_text_stream_pos *pos = | |
87 | container_of(td, struct ctf_text_stream_pos, trace_descriptor); | |
88 | fclose(pos->fp); | |
89 | g_free(pos); | |
90 | } | |
91 | ||
92 | void __attribute__((constructor)) ctf_text_init(void) | |
93 | { | |
94 | int ret; | |
95 | ||
96 | ctf_text_format.name = g_quark_from_static_string("text"); | |
97 | ret = bt_register_format(&ctf_text_format); | |
98 | assert(!ret); | |
99 | } | |
100 | ||
101 | /* TODO: finalize */ |