| 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 | |
| 37 | static |
| 38 | rw_dispatch read_dispatch_table[] = { |
| 39 | /* All unimplemented */ |
| 40 | }; |
| 41 | |
| 42 | static |
| 43 | rw_dispatch write_dispatch_table[] = { |
| 44 | [ CTF_TYPE_INTEGER ] = ctf_text_integer_write, |
| 45 | [ CTF_TYPE_FLOAT ] = ctf_text_float_write, |
| 46 | [ CTF_TYPE_ENUM ] = ctf_text_enum_write, |
| 47 | [ CTF_TYPE_STRING ] = ctf_text_string_write, |
| 48 | [ CTF_TYPE_STRUCT ] = ctf_text_struct_write, |
| 49 | [ CTF_TYPE_VARIANT ] = ctf_text_variant_write, |
| 50 | [ CTF_TYPE_ARRAY ] = ctf_text_array_write, |
| 51 | [ CTF_TYPE_SEQUENCE ] = ctf_text_sequence_write, |
| 52 | }; |
| 53 | |
| 54 | static |
| 55 | struct format ctf_text_format = { |
| 56 | .open_trace = ctf_text_open_trace, |
| 57 | .close_trace = ctf_text_close_trace, |
| 58 | }; |
| 59 | |
| 60 | struct trace_descriptor *ctf_text_open_trace(const char *path, int flags) |
| 61 | { |
| 62 | struct ctf_text_stream_pos *pos; |
| 63 | FILE *fp; |
| 64 | |
| 65 | pos = g_new0(struct ctf_text_stream_pos, 1); |
| 66 | |
| 67 | switch (flags & O_ACCMODE) { |
| 68 | case O_WRONLY: |
| 69 | fp = fopen(path, "w"); |
| 70 | if (!fp) |
| 71 | goto error; |
| 72 | pos->fp = fp; |
| 73 | pos->parent.rw_table = write_dispatch_table; |
| 74 | break; |
| 75 | case O_RDONLY: |
| 76 | default: |
| 77 | fprintf(stdout, "[error] Incorrect open flags.\n"); |
| 78 | goto error; |
| 79 | } |
| 80 | |
| 81 | return &pos->trace_descriptor; |
| 82 | error: |
| 83 | g_free(pos); |
| 84 | return NULL; |
| 85 | } |
| 86 | |
| 87 | void ctf_text_close_trace(struct trace_descriptor *td) |
| 88 | { |
| 89 | struct ctf_text_stream_pos *pos = |
| 90 | container_of(td, struct ctf_text_stream_pos, trace_descriptor); |
| 91 | fclose(pos->fp); |
| 92 | g_free(pos); |
| 93 | } |
| 94 | |
| 95 | void __attribute__((constructor)) ctf_text_init(void) |
| 96 | { |
| 97 | int ret; |
| 98 | |
| 99 | ctf_text_format.name = g_quark_from_static_string("text"); |
| 100 | ret = bt_register_format(&ctf_text_format); |
| 101 | assert(!ret); |
| 102 | } |
| 103 | |
| 104 | /* TODO: finalize */ |