LCOV - code coverage report
Current view: top level - tests/integration/harness/gkfs.io - statx.cpp (source / functions) Hit Total Coverage
Test: coverage.info Lines: 24 28 85.7 %
Date: 2024-04-23 00:09:24 Functions: 3 3 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :   Copyright 2018-2024, Barcelona Supercomputing Center (BSC), Spain
       3             :   Copyright 2015-2024, Johannes Gutenberg Universitaet Mainz, Germany
       4             : 
       5             :   This software was partially supported by the
       6             :   EC H2020 funded project NEXTGenIO (Project ID: 671951, www.nextgenio.eu).
       7             : 
       8             :   This software was partially supported by the
       9             :   ADA-FS project under the SPPEXA project funded by the DFG.
      10             : 
      11             :   This file is part of GekkoFS.
      12             : 
      13             :   GekkoFS is free software: you can redistribute it and/or modify
      14             :   it under the terms of the GNU General Public License as published by
      15             :   the Free Software Foundation, either version 3 of the License, or
      16             :   (at your option) any later version.
      17             : 
      18             :   GekkoFS is distributed in the hope that it will be useful,
      19             :   but WITHOUT ANY WARRANTY; without even the implied warranty of
      20             :   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      21             :   GNU General Public License for more details.
      22             : 
      23             :   You should have received a copy of the GNU General Public License
      24             :   along with GekkoFS.  If not, see <https://www.gnu.org/licenses/>.
      25             : 
      26             :   SPDX-License-Identifier: GPL-3.0-or-later
      27             : */
      28             : 
      29             : /* C++ includes */
      30             : #include <CLI/CLI.hpp>
      31             : #include <nlohmann/json.hpp>
      32             : #include <memory>
      33             : #include <fmt/format.h>
      34             : #include <commands.hpp>
      35             : #include <reflection.hpp>
      36             : #include <serialize.hpp>
      37             : 
      38             : /* C includes */
      39             : #include <sys/types.h>
      40             : #include <sys/stat.h>
      41             : #include <unistd.h>
      42             : #include <fcntl.h> /* Definition of AT_* constants */
      43             : 
      44             : using json = nlohmann::json;
      45             : 
      46             : /*   int statx(int dirfd, const char *pathname, int flags,
      47             :                  unsigned int mask, struct statx *statxbuf);
      48             : */
      49             : 
      50             : #ifdef STATX_TYPE
      51         536 : struct statx_options {
      52             :     bool verbose{};
      53             :     int dirfd;
      54             :     std::string pathname;
      55             :     int flags;
      56             :     unsigned int mask;
      57             : 
      58             :     REFL_DECL_STRUCT(statx_options, REFL_DECL_MEMBER(bool, verbose),
      59             :                      REFL_DECL_MEMBER(int, dirfd),
      60             :                      REFL_DECL_MEMBER(std::string, pathname),
      61             :                      REFL_DECL_MEMBER(int, flags),
      62             :                      REFL_DECL_MEMBER(unsigned int, mask));
      63             : };
      64             : 
      65             : struct statx_output {
      66             :     int retval;
      67             :     int errnum;
      68             :     struct ::statx statbuf;
      69             : 
      70             :     REFL_DECL_STRUCT(statx_output, REFL_DECL_MEMBER(int, retval),
      71             :                      REFL_DECL_MEMBER(int, errnum),
      72             :                      REFL_DECL_MEMBER(struct ::statx, statbuf));
      73             : };
      74             : 
      75             : void
      76           4 : to_json(json& record, const statx_output& out) {
      77           4 :     record = serialize(out);
      78           4 : }
      79             : 
      80             : void
      81           4 : statx_exec(const statx_options& opts) {
      82             : 
      83           4 :     struct ::statx statbuf;
      84             : 
      85           4 :     auto rv = ::statx(opts.dirfd, opts.pathname.c_str(), opts.flags, opts.mask,
      86           4 :                      &statbuf);
      87             : 
      88           4 :     if(opts.verbose) {
      89           0 :         fmt::print(
      90             :                 "statx(dirfd={}, pathname=\"{}\", flags={}, mask={}) = {}, errno: {} [{}]\n",
      91           0 :                 opts.dirfd, opts.pathname, opts.flags, opts.mask, rv, errno,
      92           0 :                 ::strerror(errno));
      93           0 :         return;
      94             :     }
      95             : 
      96           4 :     json out = statx_output{rv, errno, statbuf};
      97           8 :     fmt::print("{}\n", out.dump(2));
      98             : }
      99             : 
     100             : void
     101         268 : statx_init(CLI::App& app) {
     102             : 
     103             :     // Create the option and subcommand objects
     104         268 :     auto opts = std::make_shared<statx_options>();
     105         268 :     auto* cmd = app.add_subcommand("statx", "Execute the statx() system call");
     106             : 
     107             :     // Add options to cmd, binding them to opts
     108         268 :     cmd->add_flag("-v,--verbose", opts->verbose,
     109         536 :                   "Produce human readable output");
     110             : 
     111         536 :     cmd->add_option("dirfd", opts->dirfd, "file descritor")
     112             :             ->required()
     113         536 :             ->type_name("");
     114             : 
     115         536 :     cmd->add_option("pathname", opts->pathname, "Directory name")
     116             :             ->required()
     117         536 :             ->type_name("");
     118             : 
     119         536 :     cmd->add_option("flags", opts->flags, "Flags")->required()->type_name("");
     120             : 
     121         536 :     cmd->add_option("mask", opts->mask, "Mask")->required()->type_name("");
     122             : 
     123        1076 :     cmd->callback([opts]() { statx_exec(*opts); });
     124         268 : }
     125             : #endif

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