src/plugins/ctf/fs-src/file.cpp

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
   5  */
   6
   7 #define BT_CLOG_CFG (logCfg)
   8 #define BT_LOG_TAG  "PLUGIN/SRC.CTF.FS/FILE"
   9
  10 #include <stdio.h>
  11 #include <sys/types.h>
  12 #include <sys/stat.h>
  13 #include <unistd.h>
  14 #include <glib.h>
  15 #include "file.hpp"
  16 #include "cpp-common/cfg-logging.hpp"
  17 #include "cpp-common/cfg-logging-error-reporting.hpp"
  18
  19 BT_HIDDEN
  20 int ctf_fs_file_open(struct ctf_fs_file *file, const char *mode)
  21 {
  22     int ret = 0;
  23     struct stat stat;
  24     const bt2_common::LogCfg& logCfg = file->logCfg;
  25
  26     BT_CLOGI("Opening file \"%s\" with mode \"%s\"", file->path.c_str(), mode);
  27     file->fp.reset(fopen(file->path.c_str(), mode));
  28     if (!file->fp) {
  29         BT_CLOGE_ERRNO_APPEND_CAUSE("Cannot open file", ": path=%s, mode=%s", file->path.c_str(),
  30                                     mode);
  31         goto error;
  32     }
  33
  34     BT_CLOGI("Opened file: %p", file->fp.get());
  35
  36     if (fstat(fileno(file->fp.get()), &stat)) {
  37         BT_CLOGE_ERRNO_APPEND_CAUSE("Cannot get file information", ": path=%s", file->path.c_str());
  38         goto error;
  39     }
  40
  41     file->size = stat.st_size;
  42     BT_CLOGI("File is %jd bytes", (intmax_t) file->size);
  43     goto end;
  44
  45 error:
  46     ret = -1;
  47
  48 end:
  49     return ret;
  50 }