| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright 2016 Philippe Proulx <pproulx@efficios.com> |
| 5 | */ |
| 6 | |
| 7 | #include <glib.h> |
| 8 | #include <stdio.h> |
| 9 | #include <sys/stat.h> |
| 10 | |
| 11 | #include "cpp-common/vendor/fmt/format.h" |
| 12 | |
| 13 | #include "file.hpp" |
| 14 | |
| 15 | void ctf_fs_file_destroy(struct ctf_fs_file *file) |
| 16 | { |
| 17 | if (!file) { |
| 18 | return; |
| 19 | } |
| 20 | |
| 21 | if (file->fp) { |
| 22 | BT_CPPLOGD_SPEC(file->logger, "Closing file \"{}\" ({})", |
| 23 | file->path ? file->path->str : NULL, fmt::ptr(file->fp)); |
| 24 | |
| 25 | if (fclose(file->fp)) { |
| 26 | BT_CPPLOGE_SPEC(file->logger, "Cannot close file \"{}\": {}", |
| 27 | file->path ? file->path->str : "NULL", strerror(errno)); |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | if (file->path) { |
| 32 | g_string_free(file->path, TRUE); |
| 33 | } |
| 34 | |
| 35 | delete file; |
| 36 | } |
| 37 | |
| 38 | void ctf_fs_file_deleter::operator()(ctf_fs_file * const file) noexcept |
| 39 | { |
| 40 | ctf_fs_file_destroy(file); |
| 41 | } |
| 42 | |
| 43 | ctf_fs_file::UP ctf_fs_file_create(const bt2c::Logger& parentLogger) |
| 44 | { |
| 45 | ctf_fs_file::UP file {new ctf_fs_file {parentLogger}}; |
| 46 | |
| 47 | file->path = g_string_new(NULL); |
| 48 | if (!file->path) { |
| 49 | goto error; |
| 50 | } |
| 51 | |
| 52 | goto end; |
| 53 | |
| 54 | error: |
| 55 | file.reset(); |
| 56 | |
| 57 | end: |
| 58 | return file; |
| 59 | } |
| 60 | |
| 61 | int ctf_fs_file_open(struct ctf_fs_file *file, const char *mode) |
| 62 | { |
| 63 | int ret = 0; |
| 64 | struct stat stat; |
| 65 | |
| 66 | BT_CPPLOGI_SPEC(file->logger, "Opening file \"{}\" with mode \"{}\"", file->path->str, mode); |
| 67 | file->fp = fopen(file->path->str, mode); |
| 68 | if (!file->fp) { |
| 69 | BT_CPPLOGE_ERRNO_APPEND_CAUSE_SPEC(file->logger, "Cannot open file", ": path={}, mode={}", |
| 70 | file->path->str, mode); |
| 71 | goto error; |
| 72 | } |
| 73 | |
| 74 | BT_CPPLOGI_SPEC(file->logger, "Opened file: {}", fmt::ptr(file->fp)); |
| 75 | |
| 76 | if (fstat(fileno(file->fp), &stat)) { |
| 77 | BT_CPPLOGE_ERRNO_APPEND_CAUSE_SPEC(file->logger, "Cannot get file information", ": path={}", |
| 78 | file->path->str); |
| 79 | goto error; |
| 80 | } |
| 81 | |
| 82 | file->size = stat.st_size; |
| 83 | BT_CPPLOGI_SPEC(file->logger, "File is {} bytes", (intmax_t) file->size); |
| 84 | goto end; |
| 85 | |
| 86 | error: |
| 87 | ret = -1; |
| 88 | |
| 89 | if (file->fp) { |
| 90 | if (fclose(file->fp)) { |
| 91 | BT_CPPLOGE_SPEC(file->logger, "Cannot close file \"{}\": {}", file->path->str, |
| 92 | strerror(errno)); |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | end: |
| 97 | return ret; |
| 98 | } |