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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-07-01 15:35:32 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-07-01 15:35:32 +0000 |
commit | 4c95a2fbba7328b2c1e6664a0dc9954dfe056f0a (patch) | |
tree | eb5e4d50febe461c551046db61158da9c390d743 /nuttx/examples/nsh/nsh_main.c | |
parent | 881997148b1da3b311d4ebce79b46294671b854f (diff) | |
download | px4-nuttx-4c95a2fbba7328b2c1e6664a0dc9954dfe056f0a.tar.gz px4-nuttx-4c95a2fbba7328b2c1e6664a0dc9954dfe056f0a.tar.bz2 px4-nuttx-4c95a2fbba7328b2c1e6664a0dc9954dfe056f0a.zip |
Break into several files
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@300 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/examples/nsh/nsh_main.c')
-rw-r--r-- | nuttx/examples/nsh/nsh_main.c | 600 |
1 files changed, 13 insertions, 587 deletions
diff --git a/nuttx/examples/nsh/nsh_main.c b/nuttx/examples/nsh/nsh_main.c index a6560614e..4ddb91ece 100644 --- a/nuttx/examples/nsh/nsh_main.c +++ b/nuttx/examples/nsh/nsh_main.c @@ -40,22 +40,10 @@ #include <nuttx/config.h> #include <sys/types.h> -#if CONFIG_NFILE_DESCRIPTORS > 0 -# include <sys/stat.h> -# include <fcntl.h> -#endif -#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0 -# include <sys/mount.h> -#endif - #include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <dirent.h> -#include <limits.h> #include <string.h> -#include <sched.h> -#include <errno.h> + +#include "nsh.h" /**************************************************************************** * Definitions @@ -65,19 +53,10 @@ #undef CONFIG_FULL_PATH #define NSH_MAX_ARGUMENTS 6 -#define LSFLAGS_SIZE 1 -#define LSFLAGS_LONG 2 -#define LSFLAGS_RECURSIVE 4 - -#define errno (*get_errno_ptr()) - /**************************************************************************** * Private Types ****************************************************************************/ -typedef void (*cmd_t)(int argc, char **argv); -typedef void (*exec_t)(void); - struct cmdmap_s { const char *cmd; /* Name of the command */ @@ -87,29 +66,13 @@ struct cmdmap_s const char *usage; /* Usage instructions for 'help' command */ }; -typedef int (*direntry_handler_t)(const char *, struct dirent *, void *); - /**************************************************************************** * Private Function Prototypes ****************************************************************************/ -#if CONFIG_NFILE_DESCRIPTORS > 0 -static void cmd_cat(int argc, char **argv); -#endif -static void cmd_echo(int argc, char **argv); -static void cmd_exec(int argc, char **argv); static void cmd_help(int argc, char **argv); -#if CONFIG_NFILE_DESCRIPTORS > 0 -static void cmd_ls(int argc, char **argv); -#endif -#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0 -static void cmd_mkdir(int argc, char **argv); -static void cmd_mount(int argc, char **argv); -#endif -static void cmd_ps(int argc, char **argv); -#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0 -static void cmd_umount(int argc, char **argv); -#endif +static void cmd_echo(int argc, char **argv); +static void cmd_unrecognized(int argc, char **argv); /**************************************************************************** * Private Data @@ -140,204 +103,22 @@ static const struct cmdmap_s g_cmdmap[] = { NULL, NULL, 1, 1, NULL } }; -static const char *g_statenames[] = -{ - "INVALID ", - "PENDING ", - "READY ", - "RUNNING ", - "INACTIVE", - "WAITSEM ", -#ifndef CONFIG_DISABLE_MQUEUE - "WAITSIG ", -#endif -#ifndef CONFIG_DISABLE_MQUEUE - "MQNEMPTY", - "MQNFULL " -#endif -}; - -static const char g_fmtargrequired[] = "nsh: %s: missing required argument(s)\n"; -static const char g_fmtarginvalid[] = "nsh: %s: argument invalid\n"; -static const char g_fmtcmdnotfound[] = "nsh: %s: command not found\n"; -static const char g_fmtcmdnotimpl[] = "nsh: %s: command not implemented\n"; -static const char g_fmtnosuch[] = "nsh: %s: no such %s: %s\n"; -static const char g_fmttoomanyargs[] = "nsh: %s: too many arguments\n"; -static const char g_fmtcmdfailed[] = "nsh: %s: %s failed: %s\n"; - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: trim_dir - ****************************************************************************/ - -#ifdef CONFIG_FULL_PATH -void trim_dir(char *arg) -{ - /* Skip any '/' characters white space */ - - int len = strlen(arg) - 1; - while (len > 0 && arg[len] == '/') - { - arg[len] = '\0'; - len--; - } -} -#endif - /**************************************************************************** - * Name: getdirpath + * Public Data ****************************************************************************/ -static char *getdirpath(const char *path, const char *file) -{ - char buffer[PATH_MAX+1]; - if (strcmp(path, "/") == 0) - { - sprintf(buffer, "/%s", file); - } - else - { - sprintf(buffer, "%s/%s", path, file); - } - - buffer[PATH_MAX] = '\0'; - return strdup(buffer); -} - -/**************************************************************************** - * Name: foreach_direntry - ****************************************************************************/ - -static int foreach_direntry(const char *cmd, const char *dirpath, - direntry_handler_t handler, void *pvarg) -{ - DIR *dirp; - int ret = OK; - - /* Trim trailing '/' from directory names */ - -#ifdef CONFIG_FULL_PATH - trim_dir(arg); -#endif - - /* Open the directory */ - - dirp = opendir(dirpath); - - if (!dirp) - { - /* Failed to open the directory */ - - printf(g_fmtnosuch, cmd, "directory", dirpath); - return ERROR; - } - - /* Read each directory entry */ - - for (;;) - { - struct dirent *entryp = readdir(dirp); - if (!entryp) - { - /* Finished with this directory */ - - break; - } - - /* Call the handler with this directory entry */ - - if (handler(dirpath, entryp, pvarg) < 0) - { - /* The handler reported a problem */ - - ret = ERROR; - break; - } - } - - closedir(dirp); - return ret; -} +const char g_fmtargrequired[] = "nsh: %s: missing required argument(s)\n"; +const char g_fmtarginvalid[] = "nsh: %s: argument invalid\n"; +const char g_fmtcmdnotfound[] = "nsh: %s: command not found\n"; +const char g_fmtcmdnotimpl[] = "nsh: %s: command not implemented\n"; +const char g_fmtnosuch[] = "nsh: %s: no such %s: %s\n"; +const char g_fmttoomanyargs[] = "nsh: %s: too many arguments\n"; +const char g_fmtcmdfailed[] = "nsh: %s: %s failed: %s\n"; /**************************************************************************** - * Name: cmd_cat + * Private Functions ****************************************************************************/ -#if CONFIG_NFILE_DESCRIPTORS > 0 -static void cmd_cat(int argc, char **argv) -{ - char buffer[1024]; - - /* Open the file for reading */ - - int fd = open(argv[1], O_RDONLY); - if (fd < 0) - { - printf(g_fmtcmdfailed, argv[0], "open", strerror(errno)); - return; - } - - /* And just dump it byte for byte into stdout */ - - for (;;) - { - int nbytesread = read(fd, buffer, 1024); - - /* Check for read errors */ - - if (nbytesread < 0) - { - /* EINTR is not an error */ - - if (errno != EINTR) - { - printf(g_fmtcmdfailed, argv[0], "read", strerror(errno)); - break; - } - } - - /* Check for data successfully read */ - - else if (nbytesread > 0) - { - int nbyteswritten = 0; - char *ptr = buffer; - - while (nbyteswritten < nbytesread) - { - int n = write(1, buffer, nbytesread); - if (n < 0) - { - /* EINTR is not an error */ - - if (errno != EINTR) - { - printf(g_fmtcmdfailed, argv[0], "write", strerror(errno)); - break; - } - } - else - { - nbyteswritten += n; - } - } - } - - /* Otherwise, it is the end of file */ - - else - { - break; - } - } - - (void)close(fd); -} -#endif - /**************************************************************************** * Name: cmd_echo ****************************************************************************/ @@ -350,26 +131,6 @@ static void cmd_echo(int argc, char **argv) } /**************************************************************************** - * Name: cmd_exec - ****************************************************************************/ - -static void cmd_exec(int argc, char **argv) -{ - char *endptr; - long addr; - - addr = strtol(argv[1], &endptr, 0); - if (!addr || endptr == argv[1] || *endptr != '\0') - { - printf(g_fmtarginvalid, argv[0]); - return; - } - - printf("Calling %p\n", (exec_t)addr); - ((exec_t)addr)(); -} - -/**************************************************************************** * Name: cmd_help ****************************************************************************/ @@ -392,341 +153,6 @@ static void cmd_help(int argc, char **argv) } /**************************************************************************** - * Name: ls_handler - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 -static int ls_handler(const char *dirpath, struct dirent *entryp, void *pvarg) -{ - unsigned int lsflags = (unsigned int)pvarg; - int ret; - - /* Check if any options will require that we stat the file */ - - if ((lsflags & (LSFLAGS_SIZE|LSFLAGS_LONG)) != 0) - { - struct stat buf; - char *fullpath = getdirpath(dirpath, entryp->d_name); - - /* Yes, stat the file */ - - ret = stat(fullpath, &buf); - free(fullpath); - if (ret != 0) - { - printf(g_fmtcmdfailed, "ls", "stat", strerror(errno)); - return OK; - } - - if ((lsflags & LSFLAGS_LONG) != 0) - { - char details[] = "----------"; - if (S_ISDIR(buf.st_mode)) - { - details[0]='d'; - } - else if (S_ISCHR(buf.st_mode)) - { - details[0]='c'; - } - else if (S_ISBLK(buf.st_mode)) - { - details[0]='b'; - } - - if ((buf.st_mode & S_IRUSR) != 0) - { - details[1]='r'; - } - - if ((buf.st_mode & S_IWUSR) != 0) - { - details[2]='w'; - } - - if ((buf.st_mode & S_IXUSR) != 0) - { - details[3]='x'; - } - - if ((buf.st_mode & S_IRGRP) != 0) - { - details[4]='r'; - } - - if ((buf.st_mode & S_IWGRP) != 0) - { - details[5]='w'; - } - - if ((buf.st_mode & S_IXGRP) != 0) - { - details[6]='x'; - } - - if ((buf.st_mode & S_IROTH) != 0) - { - details[7]='r'; - } - - if ((buf.st_mode & S_IWOTH) != 0) - { - details[8]='w'; - } - - if ((buf.st_mode & S_IXOTH) != 0) - { - details[9]='x'; - } - - printf(" %s", details); - } - - if ((lsflags & LSFLAGS_SIZE) != 0) - { - printf("%8d", buf.st_size); - } - } - - /* then provide the filename that is common to normal and verbose output */ - -#ifdef CONFIG_FULL_PATH - printf(" %s/%s", arg, entryp->d_name); -#else - printf(" %s", entryp->d_name); -#endif - - if (DIRENT_ISDIRECTORY(entryp->d_type)) - { - printf("/\n"); - } - else - { - putchar('\n'); - } - return OK; -} -#endif - -/**************************************************************************** - * Name: ls_recursive - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 -static int ls_recursive(const char *dirpath, struct dirent *entryp, void *pvarg) -{ - /* Is this entry a directory? */ - - if (DIRENT_ISDIRECTORY(entryp->d_type)) - { - /* Yes.. */ - - char *newpath; - newpath = getdirpath(dirpath, entryp->d_name); - - /* List the directory contents */ - - printf("%s:\n", newpath); - foreach_direntry("ls", newpath, ls_handler, pvarg); - - /* Then recurse to list each directory within the directory */ - - foreach_direntry("ls", newpath, ls_recursive, pvarg); - free(newpath); - } - return OK; -} -#endif - -/**************************************************************************** - * Name: cmd_ls - ****************************************************************************/ - -#if CONFIG_NFILE_DESCRIPTORS > 0 -static void cmd_ls(int argc, char **argv) -{ - unsigned int lsflags = 0; - int ret; - - /* Get the ls options */ - - int option; - while ((option = getopt(argc, argv, "lRs")) != ERROR) - { - switch (option) - { - case 'l': - lsflags |= (LSFLAGS_SIZE|LSFLAGS_LONG); - break; - - case 'R': - lsflags |= LSFLAGS_RECURSIVE; - break; - - case 's': - lsflags |= LSFLAGS_SIZE; - break; - - case '?': - default: - printf(g_fmtarginvalid, argv[0]); - return; - } - } - - /* There are one required arguments after the options */ - - if (optind + 1 < argc) - { - printf(g_fmttoomanyargs, argv[0]); - return; - } - else if (optind + 1 > argc) - { - printf(g_fmtargrequired, argv[0]); - return; - } - - /* List the directory contents */ - - printf("%s:\n", argv[optind]); - ret = foreach_direntry("ls", argv[optind], ls_handler, (void*)lsflags); - if (ret == OK && (lsflags & LSFLAGS_RECURSIVE) != 0) - { - /* Then recurse to list each directory within the directory */ - - ret = foreach_direntry("ls", argv[optind], ls_recursive, (void*)lsflags); - } -} -#endif - -/**************************************************************************** - * Name: cmd_mount - ****************************************************************************/ - -#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0 -static void cmd_mkdir(int argc, char **argv) -{ - int result = mkdir(argv[1], 0777); - if ( result < 0) - { - printf(g_fmtcmdfailed, argv[0], "mkdir", strerror(errno)); - } -} -#endif - -/**************************************************************************** - * Name: cmd_mount - ****************************************************************************/ - -#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0 -static void cmd_mount(int argc, char **argv) -{ - char *filesystem = 0; - int result; - - /* Get the mount options */ - - int option; - while ((option = getopt(argc, argv, ":t:")) != ERROR) - { - switch (option) - { - case 't': - filesystem = optarg; - break; - - case ':': - printf(g_fmtargrequired, argv[0]); - return; - - case '?': - default: - printf(g_fmtarginvalid, argv[0]); - return; - } - } - - /* There are two required arguments after the options */ - - if (optind + 2 < argc) - { - printf(g_fmttoomanyargs, argv[0]); - return; - } - else if (optind + 2 > argc) - { - printf(g_fmtargrequired, argv[0]); - return; - } - - /* Perform the mount */ - result = mount(argv[optind], argv[optind+1], filesystem, 0, NULL); - if ( result < 0) - { - printf(g_fmtcmdfailed, argv[0], "mount", strerror(errno)); - } -} -#endif - -/**************************************************************************** - * Name: ps_task - ****************************************************************************/ - -static void ps_task(FAR _TCB *tcb, FAR void *arg) -{ - boolean needcomma = FALSE; - int i; - printf("%5d %3d %4s %7s%c%c %8s ", - tcb->pid, tcb->sched_priority, - tcb->flags & TCB_FLAG_ROUND_ROBIN ? "RR " : "FIFO", - tcb->flags & TCB_FLAG_PTHREAD ? "PTHREAD" : "TASK ", - tcb->flags & TCB_FLAG_NONCANCELABLE ? 'N' : ' ', - tcb->flags & TCB_FLAG_CANCEL_PENDING ? 'P' : ' ', - g_statenames[tcb->task_state]); - - printf("%s(", tcb->argv[0]); - for (i = 1; i < CONFIG_MAX_TASK_ARGS+1 && tcb->argv[i]; i++) - { - if (needcomma) - { - printf(", %p", tcb->argv[i]); - } - else - { - printf("%p", tcb->argv[i]); - } - } - printf(")\n"); -} - -/**************************************************************************** - * Name: cmd_ps - ****************************************************************************/ - -static void cmd_ps(int argc, char **argv) -{ - printf("PID PRI SCHD TYPE NP STATE NAME\n"); - sched_foreach(ps_task, NULL); -} - -/**************************************************************************** - * Name: cmd_umount - ****************************************************************************/ - -#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0 -static void cmd_umount(int argc, char **argv) -{ - /* Perform the umount */ - int result = umount(argv[1]); - if ( result < 0) - { - printf(g_fmtcmdfailed, argv[0], "umount", strerror(errno)); - } -} -#endif - -/**************************************************************************** * Name: cmd_unrecognized ****************************************************************************/ |