| /* |
| * Copyright (c) 2021, The OpenThread Authors. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holder nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** |
| * @file |
| * The file implements POSIX system utilities. |
| */ |
| |
| #include "utils.hpp" |
| |
| #include <errno.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <openthread/logging.h> |
| |
| #include "common/code_utils.hpp" |
| |
| namespace ot { |
| namespace Posix { |
| |
| enum |
| { |
| kSystemCommandMaxLength = 1024, ///< Max length of a system call command. |
| kOutputBufferSize = 1024, ///< Buffer size of command output. |
| }; |
| |
| otError ExecuteCommand(const char *aFormat, ...) |
| { |
| char cmd[kSystemCommandMaxLength]; |
| char buf[kOutputBufferSize]; |
| va_list args; |
| FILE * file; |
| int exitCode; |
| otError error = OT_ERROR_NONE; |
| |
| va_start(args, aFormat); |
| vsnprintf(cmd, sizeof(cmd), aFormat, args); |
| va_end(args); |
| |
| file = popen(cmd, "r"); |
| VerifyOrExit(file != nullptr, error = OT_ERROR_FAILED); |
| while (fgets(buf, sizeof(buf), file)) |
| { |
| size_t length = strlen(buf); |
| if (buf[length] == '\n') |
| { |
| buf[length] = '\0'; |
| } |
| otLogInfoPlat("%s", buf); |
| } |
| exitCode = pclose(file); |
| otLogInfoPlat("Execute command `%s` = %d", cmd, exitCode); |
| VerifyOrExit(exitCode == 0, error = OT_ERROR_FAILED); |
| exit: |
| if (error != OT_ERROR_NONE && errno != 0) |
| { |
| otLogInfoPlat("Got an error when executing command `%s`: `%s`", cmd, strerror(errno)); |
| } |
| return error; |
| } |
| |
| } // namespace Posix |
| } // namespace ot |