| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright 2016 Philippe Proulx <pproulx@efficios.com> |
| 5 | */ |
| 6 | |
| 7 | #define BT_COMP_LOG_SELF_COMP (file->self_comp) |
| 8 | #define BT_LOG_OUTPUT_LEVEL (file->log_level) |
| 9 | #define BT_LOG_TAG "PLUGIN/SRC.CTF.FS/FILE" |
| 10 | #include "logging/comp-logging.h" |
| 11 | |
| 12 | #include <stdio.h> |
| 13 | #include <sys/types.h> |
| 14 | #include <sys/stat.h> |
| 15 | #include <unistd.h> |
| 16 | #include <glib.h> |
| 17 | #include "file.hpp" |
| 18 | |
| 19 | BT_HIDDEN |
| 20 | void ctf_fs_file_destroy(struct ctf_fs_file *file) |
| 21 | { |
| 22 | if (!file) { |
| 23 | return; |
| 24 | } |
| 25 | |
| 26 | if (file->fp) { |
| 27 | BT_COMP_LOGD("Closing file \"%s\" (%p)", file->path ? file->path->str : NULL, file->fp); |
| 28 | |
| 29 | if (fclose(file->fp)) { |
| 30 | BT_COMP_LOGE("Cannot close file \"%s\": %s", file->path ? file->path->str : "NULL", |
| 31 | strerror(errno)); |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | if (file->path) { |
| 36 | g_string_free(file->path, TRUE); |
| 37 | } |
| 38 | |
| 39 | g_free(file); |
| 40 | } |
| 41 | |
| 42 | BT_HIDDEN |
| 43 | struct ctf_fs_file *ctf_fs_file_create(bt_logging_level log_level, bt_self_component *self_comp) |
| 44 | { |
| 45 | struct ctf_fs_file *file = g_new0(struct ctf_fs_file, 1); |
| 46 | |
| 47 | if (!file) { |
| 48 | goto error; |
| 49 | } |
| 50 | |
| 51 | file->log_level = log_level; |
| 52 | file->self_comp = self_comp; |
| 53 | file->path = g_string_new(NULL); |
| 54 | if (!file->path) { |
| 55 | goto error; |
| 56 | } |
| 57 | |
| 58 | goto end; |
| 59 | |
| 60 | error: |
| 61 | ctf_fs_file_destroy(file); |
| 62 | file = NULL; |
| 63 | |
| 64 | end: |
| 65 | return file; |
| 66 | } |
| 67 | |
| 68 | BT_HIDDEN |
| 69 | int ctf_fs_file_open(struct ctf_fs_file *file, const char *mode) |
| 70 | { |
| 71 | int ret = 0; |
| 72 | struct stat stat; |
| 73 | |
| 74 | BT_COMP_LOGI("Opening file \"%s\" with mode \"%s\"", file->path->str, mode); |
| 75 | file->fp = fopen(file->path->str, mode); |
| 76 | if (!file->fp) { |
| 77 | BT_COMP_LOGE_APPEND_CAUSE_ERRNO(file->self_comp, "Cannot open file", ": path=%s, mode=%s", |
| 78 | file->path->str, mode); |
| 79 | goto error; |
| 80 | } |
| 81 | |
| 82 | BT_COMP_LOGI("Opened file: %p", file->fp); |
| 83 | |
| 84 | if (fstat(fileno(file->fp), &stat)) { |
| 85 | BT_COMP_LOGE_APPEND_CAUSE_ERRNO(file->self_comp, "Cannot get file information", ": path=%s", |
| 86 | file->path->str); |
| 87 | goto error; |
| 88 | } |
| 89 | |
| 90 | file->size = stat.st_size; |
| 91 | BT_COMP_LOGI("File is %jd bytes", (intmax_t) file->size); |
| 92 | goto end; |
| 93 | |
| 94 | error: |
| 95 | ret = -1; |
| 96 | |
| 97 | if (file->fp) { |
| 98 | if (fclose(file->fp)) { |
| 99 | BT_COMP_LOGE("Cannot close file \"%s\": %s", file->path->str, strerror(errno)); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | end: |
| 104 | return ret; |
| 105 | } |