/**************************************************************************** * apps/nshlib/nsh_syscmds.c * * Copyright (C) 2015 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 NuttX 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 OWNER 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. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include "nsh.h" #include "nsh_console.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #ifdef CONFIG_ARCH_BOARD_CUSTOM # ifndef CONFIG_ARCH_BOARD_CUSTOM_NAME # define BOARD_NAME g_unknown # else # define BOARD_NAME CONFIG_ARCH_BOARD_CUSTOM_NAME # endif #else # ifndef CONFIG_ARCH_BOARD # define BOARD_NAME g_unknown # else # define BOARD_NAME CONFIG_ARCH_BOARD # endif #endif #define UNAME_KERNEL (1 << 0) #define UNAME_NODE (1 << 1) #define UNAME_RELEASE (1 << 2) #define UNAME_VERISON (1 << 3) #define UNAME_MACHINE (1 << 4) #define UNAME_PLATFORM (1 << 5) #define UNAME_UNKNOWN (1 << 6) #ifdef CONFIG_NET # define UNAME_ALL (UNAME_KERNEL | UNAME_NODE | UNAME_RELEASE | \ UNAME_VERISON | UNAME_MACHINE | UNAME_PLATFORM) #else # define UNAME_ALL (UNAME_KERNEL | UNAME_RELEASE | UNAME_VERISON | \ UNAME_MACHINE | UNAME_PLATFORM) #endif /**************************************************************************** * Private Data ****************************************************************************/ #ifndef CONFIG_NSH_DISABLE_UNAME static const char g_unknown[] = "unknown"; #endif /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: cmd_shutdown ****************************************************************************/ #if (defined(CONFIG_BOARDCTL_POWEROFF) || defined(CONFIG_BOARDCTL_RESET)) && \ !defined(CONFIG_NSH_DISABLE_SHUTDOWN) int cmd_shutdown(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) { #if defined(CONFIG_BOARDCTL_POWEROFF) && defined(CONFIG_BOARDCTL_RESET) /* If both shutdown and reset are supported, then a single option may * be provided to select the reset behavior (--reboot). We know here * that argc is either 1 or 2. */ if (argc == 2) { /* Verify that the single argument is --reboot */ if (strcmp(argv[1], "--reboot") != 0) { nsh_output(vtbl, g_fmtarginvalid, argv[0]); return ERROR; } /* Invoke the BOARDIOC_RESET board control to reset the board. If * the board_reset() function returns, then it was not possible to * reset the board due to some constraints. */ (void)boardctl(BOARDIOC_RESET, EXIT_SUCCESS); } else { /* Invoke the BOARDIOC_POWEROFF board control to shutdown the board. * If the board_power_off function returns, then it was not possible * to power-off the* board due to some constraints. */ (void)boardctl(BOARDIOC_POWEROFF, EXIT_SUCCESS); } #elif defined(CONFIG_BOARDCTL_RESET) /* Only reset behavior is supported and we already know that exactly one * argument has been provided. */ /* Verify that the single argument is --reboot */ if (strcmp(argv[1], "--reboot") != 0) { nsh_output(vtbl, g_fmtarginvalid, argv[0]); return ERROR; } /* Invoke the BOARDIOC_RESET board control to reset the board. If * the board_reset() function returns, then it was not possible to * reset the board due to some constraints. */ (void)boardctl(BOARDIOC_RESET, EXIT_SUCCESS); #else /* Only the reset behavior is supported and we already know that there is * no argument to the command. */ /* Invoke the BOARDIOC_POWEROFF board control to shutdown the board. If * the board_power_off function returns, then it was not possible to power- * off the board due to some constraints. */ (void)boardctl(BOARDIOC_POWEROFF, EXIT_SUCCESS); #endif /* boarctl() will not return in any case. It if does, it means that * there was a problem with the shutdown/resaet operaion. */ nsh_output(vtbl, g_fmtcmdfailed, argv[0], "boardctl", NSH_ERRNO); return ERROR; } #endif /* CONFIG_BOARDCTL_POWEROFF && !CONFIG_NSH_DISABLE_SHUTDOWN */ /**************************************************************************** * Name: cmd_poweroff ****************************************************************************/ #if defined(CONFIG_BOARDCTL_POWEROFF) && !defined(CONFIG_NSH_DISABLE_POWEROFF) int cmd_poweroff(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) { /* Invoke the BOARDIOC_POWEROFF board control to shutdown the board. If * the board_power_off function returns, then it was not possible to power- * off the board due to some constraints. */ (void)boardctl(BOARDIOC_POWEROFF, EXIT_SUCCESS); /* boarctl() will not return in any case. It if does, it means that * there was a problem with the shutdown operaion. */ nsh_output(vtbl, g_fmtcmdfailed, argv[0], "boardctl", NSH_ERRNO); return ERROR; } #endif /**************************************************************************** * Name: cmd_reboot ****************************************************************************/ #if defined(CONFIG_BOARDCTL_RESET) && !defined(CONFIG_NSH_DISABLE_REBOOT) int cmd_reboot(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) { /* Invoke the BOARDIOC_RESET board control to reset the board. If * the board_reset() function returns, then it was not possible to * reset the board due to some constraints. */ (void)boardctl(BOARDIOC_RESET, EXIT_SUCCESS); /* boarctl() will not return in this case. It if does, it means that * there was a problem with the reset operaion. */ nsh_output(vtbl, g_fmtcmdfailed, argv[0], "boardctl", NSH_ERRNO); return ERROR; } #endif /**************************************************************************** * Name: cmd_uname ****************************************************************************/ #ifndef CONFIG_NSH_DISABLE_UNAME int cmd_uname(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv) { FAR const char *str; struct utsname info; unsigned int set; int option; bool badarg; bool first; int ret; int i; /* Get the uname options */ set = 0; badarg = false; while ((option = getopt(argc, argv, "asonrvmpi")) != ERROR) { switch (option) { case 'a': set = UNAME_ALL; break; case 'o': case 's': set |= UNAME_KERNEL; break; #ifdef CONFIG_NET case 'n': set |= UNAME_NODE; break; #endif case 'r': set |= UNAME_RELEASE; break; case 'v': set |= UNAME_VERISON; break; case 'm': set |= UNAME_MACHINE; break; case 'p': if (set != UNAME_ALL) { set |= UNAME_UNKNOWN; } break; case 'i': set |= UNAME_PLATFORM; break; case '?': default: nsh_output(vtbl, g_fmtarginvalid, argv[0]); badarg = true; break; } } /* If a bad argument was encountered, then return without processing the * command */ if (badarg) { return ERROR; } /* If nothing is provided on the command line, the default is -s */ if (set == 0) { set = UNAME_KERNEL; } /* Get uname data */ ret = uname(&info); if (ret < 0) { nsh_output(vtbl, g_fmtcmdfailed, argv[0], "uname", NSH_ERRNO); return ERROR; } /* Process each option */ first = true; for (i = 0; set != 0; i++) { unsigned int mask = (1 << i); if ((set & mask) != 0) { set &= ~mask; switch (i) { case 0: /* print the kernel/operating system name */ str = info.sysname; break; #ifdef CONFIG_NET case 1: /* Print noname */ str = info.nodename; break; #endif case 2: /* Print the kernel release */ str = info.release; break; case 3: /* Print the kernel version */ str = info.version; break; case 4: /* Print the machine hardware name */ str = info.machine; break; case 5: /* Print the machine platform name */ str = BOARD_NAME; break; case 6: /* Print "unknown" */ str = g_unknown; break; default: nsh_output(vtbl, g_fmtarginvalid, argv[0]); return ERROR; } if (!first) { nsh_output(vtbl, " "); } nsh_output(vtbl, str); first = false; } } nsh_output(vtbl, "\n"); return OK; } #endif