/* $NetBSD: raidctl.c,v 1.12 2000/02/13 04:55:30 oster Exp $ */ /*- * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Greg Oster * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /* This program is a re-write of the original rf_ctrl program distributed by CMU with RAIDframe 1.1. This program is the user-land interface to the RAIDframe kernel driver in NetBSD. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "rf_raidframe.h" extern char *__progname; int main __P((int, char *[])); void do_ioctl __P((int, unsigned long, void *, char *)); static void rf_configure __P((int, char*, int)); static char *device_status __P((RF_DiskStatus_t)); static void rf_get_device_status __P((int)); static void get_component_number __P((int, char *, int *, int *)); static void rf_fail_disk __P((int, char *, int)); static void usage __P((void)); static void get_component_label __P((int, char *)); static void set_component_label __P((int, char *)); static void init_component_labels __P((int, int)); static void set_autoconfig __P((int, int, char *)); static void add_hot_spare __P((int, char *)); static void remove_hot_spare __P((int, char *)); static void rebuild_in_place __P((int, char *)); static void check_status __P((int)); static void check_parity __P((int,int,char *)); static void do_meter __P((int, int)); static void get_bar __P((char *, double, int)); static void get_time_string __P((char *, int)); int verbose = 0; int main(argc,argv) int argc; char *argv[]; { extern char *optarg; extern int optind; int ch; int num_options; unsigned long action; char config_filename[PATH_MAX]; char dev_name[PATH_MAX]; char name[PATH_MAX]; char component[PATH_MAX]; char autoconf[10]; int do_recon; int do_rewrite; int is_clean; int raidID; int rawpart; int serial_number; struct stat st; int fd; int force; num_options = 0; action = 0; do_recon = 0; do_rewrite = 0; is_clean = 0; force = 0; while ((ch = getopt(argc, argv, "a:A:Bc:C:f:F:g:iI:l:r:R:sSpPuv")) != -1) switch(ch) { case 'a': action = RAIDFRAME_ADD_HOT_SPARE; strncpy(component, optarg, PATH_MAX); num_options++; break; case 'A': action = RAIDFRAME_SET_AUTOCONFIG; strncpy(autoconf, optarg, 10); num_options++; break; case 'B': action = RAIDFRAME_COPYBACK; num_options++; break; case 'c': action = RAIDFRAME_CONFIGURE; strncpy(config_filename,optarg,PATH_MAX); force = 0; num_options++; break; case 'C': strncpy(config_filename,optarg,PATH_MAX); action = RAIDFRAME_CONFIGURE; force = 1; num_options++; break; case 'f': action = RAIDFRAME_FAIL_DISK; strncpy(component, optarg, PATH_MAX); do_recon = 0; num_options++; break; case 'F': action = RAIDFRAME_FAIL_DISK; strncpy(component, optarg, PATH_MAX); do_recon = 1; num_options++; break; case 'g': action = RAIDFRAME_GET_COMPONENT_LABEL; strncpy(component, optarg, PATH_MAX); num_options++; break; case 'i': action = RAIDFRAME_REWRITEPARITY; num_options++; break; case 'I': action = RAIDFRAME_INIT_LABELS; serial_number = atoi(optarg); num_options++; break; case 'l': action = RAIDFRAME_SET_COMPONENT_LABEL; strncpy(component, optarg, PATH_MAX); num_options++; break; case 'r': action = RAIDFRAME_REMOVE_HOT_SPARE; strncpy(component, optarg, PATH_MAX); num_options++; break; case 'R': strncpy(component,optarg,PATH_MAX); action = RAIDFRAME_REBUILD_IN_PLACE; num_options++; break; case 's': action = RAIDFRAME_GET_INFO; num_options++; break; case 'S': action = RAIDFRAME_CHECK_RECON_STATUS; num_options++; break; case 'p': action = RAIDFRAME_CHECK_PARITY; num_options++; break; case 'P': action = RAIDFRAME_CHECK_PARITY; do_rewrite = 1; num_options++; break; case 'u': action = RAIDFRAME_SHUTDOWN; num_options++; break; case 'v': verbose = 1; /* Don't bump num_options, as '-v' is not an option like the others */ /* num_options++; */ break; default: usage(); } argc -= optind; argv += optind; if ((num_options > 1) || (argc == NULL)) usage(); strncpy(name,argv[0],PATH_MAX); if ((name[0] == '/') || (name[0] == '.')) { /* they've (apparently) given a full path... */ strncpy(dev_name, name, PATH_MAX); } else { if (isdigit(name[strlen(name)-1])) { rawpart = getrawpartition(); snprintf(dev_name,PATH_MAX,"/dev/%s%c",name, 'a'+rawpart); } else { snprintf(dev_name,PATH_MAX,"/dev/%s",name); } } if (stat(dev_name, &st) != 0) { fprintf(stderr,"%s: stat failure on: %s\n", __progname,dev_name); return (errno); } if (!S_ISBLK(st.st_mode) && !S_ISCHR(st.st_mode)) { fprintf(stderr,"%s: invalid device: %s\n", __progname,dev_name); return (EINVAL); } raidID = RF_DEV2RAIDID(st.st_rdev); if ((fd = open( dev_name, O_RDWR, 0640)) < 0) { fprintf(stderr, "%s: unable to open device file: %s\n", __progname, dev_name); exit(1); } switch(action) { case RAIDFRAME_ADD_HOT_SPARE: add_hot_spare(fd, component); break; case RAIDFRAME_REMOVE_HOT_SPARE: remove_hot_spare(fd, component); break; case RAIDFRAME_CONFIGURE: rf_configure(fd, config_filename, force); break; case RAIDFRAME_SET_AUTOCONFIG: set_autoconfig(fd, raidID, autoconf); break; case RAIDFRAME_COPYBACK: printf("Copyback.\n"); do_ioctl(fd, RAIDFRAME_COPYBACK, NULL, "RAIDFRAME_COPYBACK"); if (verbose) { sleep(3); /* XXX give the copyback a chance to start */ printf("Copyback status:\n"); do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS); } break; case RAIDFRAME_FAIL_DISK: rf_fail_disk(fd, component, do_recon); break; case RAIDFRAME_SET_COMPONENT_LABEL: set_component_label(fd, component); break; case RAIDFRAME_GET_COMPONENT_LABEL: get_component_label(fd, component); break; case RAIDFRAME_INIT_LABELS: init_component_labels(fd, serial_number); break; case RAIDFRAME_REWRITEPARITY: printf("Initiating re-write of parity\n"); do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL, "RAIDFRAME_REWRITEPARITY"); if (verbose) { sleep(3); /* XXX give it time to get started */ printf("Parity Re-write status:\n"); do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS); } break; case RAIDFRAME_CHECK_RECON_STATUS: check_status(fd); break; case RAIDFRAME_GET_INFO: rf_get_device_status(fd); break; case RAIDFRAME_REBUILD_IN_PLACE: rebuild_in_place(fd, component); break; case RAIDFRAME_CHECK_PARITY: check_parity(fd, do_rewrite, dev_name); break; case RAIDFRAME_SHUTDOWN: do_ioctl(fd, RAIDFRAME_SHUTDOWN, NULL, "RAIDFRAME_SHUTDOWN"); break; default: break; } close(fd); exit(0); } void do_ioctl(fd, command, arg, ioctl_name) int fd; unsigned long command; void *arg; char *ioctl_name; { if (ioctl(fd, command, arg) < 0) { warn("ioctl (%s) failed", ioctl_name); exit(1); } } static void rf_configure(fd,config_file,force) int fd; char *config_file; int force; { void *generic; RF_Config_t cfg; if (rf_MakeConfig( config_file, &cfg ) != 0) { fprintf(stderr,"%s: unable to create RAIDframe %s\n", __progname, "configuration structure\n"); exit(1); } cfg.force = force; /* Note the extra level of redirection needed here, since what we really want to pass in is a pointer to the pointer to the configuration structure. */ generic = (void *) &cfg; do_ioctl(fd, RAIDFRAME_CONFIGURE, &generic, "RAIDFRAME_CONFIGURE"); } static char * device_status(status) RF_DiskStatus_t status; { static char status_string[256]; switch (status) { case rf_ds_optimal: strcpy(status_string,"optimal"); break; case rf_ds_failed: strcpy(status_string,"failed"); break; case rf_ds_reconstructing: strcpy(status_string,"reconstructing"); break; case rf_ds_dist_spared: strcpy(status_string,"dist_spared"); break; case rf_ds_spared: strcpy(status_string,"spared"); break; case rf_ds_spare: strcpy(status_string,"spare"); break; case rf_ds_used_spare: strcpy(status_string,"used_spare"); break; default: strcpy(status_string,"UNKNOWN"); break; } return(status_string); } static void rf_get_device_status(fd) int fd; { RF_DeviceConfig_t device_config; void *cfg_ptr; int is_clean; int i; cfg_ptr = &device_config; do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO"); printf("Components:\n"); for(i=0; i < device_config.ndevs; i++) { printf("%20s: %s\n", device_config.devs[i].devname, device_status(device_config.devs[i].status)); } if (device_config.nspares > 0) { printf("Spares:\n"); for(i=0; i < device_config.nspares; i++) { printf("%20s: %s\n", device_config.spares[i].devname, device_status(device_config.spares[i].status)); } } else { printf("No spares.\n"); } do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean, "RAIDFRAME_CHECK_PARITY"); if (is_clean) { printf("Parity status: clean\n"); } else { printf("Parity status: DIRTY\n"); } check_status(fd); } static void get_component_number(fd, component_name, component_number, num_columns) int fd; char *component_name; int *component_number; int *num_columns; { RF_DeviceConfig_t device_config; void *cfg_ptr; int i; int found; *component_number = -1; /* Assuming a full path spec... */ cfg_ptr = &device_config; do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO"); *num_columns = device_config.cols; found = 0; for(i=0; i < device_config.ndevs; i++) { if (strncmp(component_name, device_config.devs[i].devname, PATH_MAX)==0) { found = 1; *component_number = i; } } if (!found) { fprintf(stderr,"%s: %s is not a component %s", __progname, component_name, "of this device\n"); exit(1); } } static void rf_fail_disk(fd, component_to_fail, do_recon) int fd; char *component_to_fail; int do_recon; { struct rf_recon_req recon_request; int component_num; int num_cols; get_component_number(fd, component_to_fail, &component_num, &num_cols); recon_request.row = component_num / num_cols; recon_request.col = component_num % num_cols; if (do_recon) { recon_request.flags = RF_FDFLAGS_RECON; } else { recon_request.flags = RF_FDFLAGS_NONE; } do_ioctl(fd, RAIDFRAME_FAIL_DISK, &recon_request, "RAIDFRAME_FAIL_DISK"); if (do_recon && verbose) { printf("Reconstruction status:\n"); sleep(3); /* XXX give reconstruction a chance to start */ do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS); } } static void get_component_label(fd, component) int fd; char *component; { RF_ComponentLabel_t component_label; void *label_ptr; int component_num; int num_cols; get_component_number(fd, component, &component_num, &num_cols); memset( &component_label, 0, sizeof(RF_ComponentLabel_t)); component_label.row = component_num / num_cols; component_label.column = component_num % num_cols; label_ptr = &component_label; do_ioctl( fd, RAIDFRAME_GET_COMPONENT_LABEL, &label_ptr, "RAIDFRAME_GET_COMPONENT_LABEL"); printf("Component label for %s:\n",component); printf(" Row: %d Column: %d Num Rows: %d Num Columns: %d\n", component_label.row, component_label.column, component_label.num_rows, component_label.num_columns); printf(" Version: %d Serial Number: %d Mod Counter: %d\n", component_label.version, component_label.serial_number, component_label.mod_counter); printf(" Clean: %s Status: %d\n", component_label.clean ? "Yes" : "No", component_label.status ); printf(" sectPerSU: %d SUsPerPU: %d SUsPerRU: %d\n", component_label.sectPerSU, component_label.SUsPerPU, component_label.SUsPerRU); printf(" RAID Level: %c blocksize: %d numBlocks: %d\n", (char) component_label.parityConfig, component_label.blockSize, component_label.numBlocks); printf(" Autoconfig: %s\n", component_label.autoconfigure ? "Yes" : "No" ); printf(" Last configured as: raid%d\n", component_label.last_unit ); printf(" Config order: %d\n", component_label.config_order); #if 0 /* old version */ printf("Version: %d\n",component_label.version); printf("Serial Number: %d\n",component_label.serial_number); printf("Mod counter: %d\n",component_label.mod_counter); printf("Row: %d\n", component_label.row); printf("Column: %d\n", component_label.column); printf("Num Rows: %d\n", component_label.num_rows); printf("Num Columns: %d\n", component_label.num_columns); printf("Clean: %d\n", component_label.clean); printf("Status: %s\n", device_status(component_label.status)); #endif } static void set_component_label(fd, component) int fd; char *component; { RF_ComponentLabel_t component_label; int component_num; int num_cols; get_component_number(fd, component, &component_num, &num_cols); /* XXX This is currently here for testing, and future expandability */ component_label.version = 1; component_label.serial_number = 123456; component_label.mod_counter = 0; component_label.row = component_num / num_cols; component_label.column = component_num % num_cols; component_label.num_rows = 0; component_label.num_columns = 5; component_label.clean = 0; component_label.status = 1; do_ioctl( fd, RAIDFRAME_SET_COMPONENT_LABEL, &component_label, "RAIDFRAME_SET_COMPONENT_LABEL"); } static void init_component_labels(fd, serial_number) int fd; int serial_number; { RF_ComponentLabel_t component_label; component_label.version = 0; component_label.serial_number = serial_number; component_label.mod_counter = 0; component_label.row = 0; component_label.column = 0; component_label.num_rows = 0; component_label.num_columns = 0; component_label.clean = 0; component_label.status = 0; do_ioctl( fd, RAIDFRAME_INIT_LABELS, &component_label, "RAIDFRAME_SET_COMPONENT_LABEL"); } static void set_autoconfig(fd, raidID, autoconf) int fd; int raidID; char *autoconf; { int auto_config; int root_config; auto_config = 0; root_config = 0; if (strncasecmp(autoconf,"root", 4) == 0) { root_config = 1; } if ((strncasecmp(autoconf,"yes", 3) == 0) || root_config == 1) { auto_config = 1; } do_ioctl(fd, RAIDFRAME_SET_AUTOCONFIG, &auto_config, "RAIDFRAME_SET_AUTOCONFIG"); do_ioctl(fd, RAIDFRAME_SET_ROOT, &root_config, "RAIDFRAME_SET_ROOT"); printf("raid%d: Autoconfigure: %s\n", raidID, auto_config ? "Yes" : "No"); if (root_config == 1) { printf("raid%d: Root: %s\n", raidID, auto_config ? "Yes" : "No"); } } static void add_hot_spare(fd, component) int fd; char *component; { RF_SingleComponent_t hot_spare; hot_spare.row = 0; hot_spare.column = 0; strncpy(hot_spare.component_name, component, sizeof(hot_spare.component_name)); do_ioctl( fd, RAIDFRAME_ADD_HOT_SPARE, &hot_spare, "RAIDFRAME_ADD_HOT_SPARE"); } static void remove_hot_spare(fd, component) int fd; char *component; { RF_SingleComponent_t hot_spare; int component_num; int num_cols; get_component_number(fd, component, &component_num, &num_cols); hot_spare.row = component_num / num_cols; hot_spare.column = component_num % num_cols; strncpy(hot_spare.component_name, component, sizeof(hot_spare.component_name)); do_ioctl( fd, RAIDFRAME_REMOVE_HOT_SPARE, &hot_spare, "RAIDFRAME_REMOVE_HOT_SPARE"); } static void rebuild_in_place( fd, component ) int fd; char *component; { RF_SingleComponent_t comp; int component_num; int num_cols; get_component_number(fd, component, &component_num, &num_cols); comp.row = 0; comp.column = component_num; strncpy(comp.component_name, component, sizeof(comp.component_name)); do_ioctl( fd, RAIDFRAME_REBUILD_IN_PLACE, &comp, "RAIDFRAME_REBUILD_IN_PLACE"); if (verbose) { printf("Reconstruction status:\n"); sleep(3); /* XXX give reconstruction a chance to start */ do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS); } } static void check_parity( fd, do_rewrite, dev_name ) int fd; int do_rewrite; char *dev_name; { int is_clean; int percent_done; is_clean = 0; percent_done = 0; do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean, "RAIDFRAME_CHECK_PARITY"); if (is_clean) { printf("%s: Parity status: clean\n",dev_name); } else { printf("%s: Parity status: DIRTY\n",dev_name); if (do_rewrite) { printf("%s: Initiating re-write of parity\n", dev_name); do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL, "RAIDFRAME_REWRITEPARITY"); sleep(3); /* XXX give it time to get started. */ if (verbose) { printf("Parity Re-write status:\n"); do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS); } else { do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS, &percent_done, "RAIDFRAME_CHECK_PARITYREWRITE_STATUS" ); while( percent_done < 100 ) { do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS, &percent_done, "RAIDFRAME_CHECK_PARITYREWRITE_STATUS"); } } printf("%s: Parity Re-write complete\n", dev_name); } else { /* parity is wrong, and is not being fixed. Exit w/ an error. */ exit(1); } } } static void check_status( fd ) int fd; { int recon_percent_done = 0; int parity_percent_done = 0; int copyback_percent_done = 0; do_ioctl(fd, RAIDFRAME_CHECK_RECON_STATUS, &recon_percent_done, "RAIDFRAME_CHECK_RECON_STATUS"); printf("Reconstruction is %d%% complete.\n", recon_percent_done); do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS, &parity_percent_done, "RAIDFRAME_CHECK_PARITYREWRITE_STATUS"); printf("Parity Re-write is %d%% complete.\n", parity_percent_done); do_ioctl(fd, RAIDFRAME_CHECK_COPYBACK_STATUS, ©back_percent_done, "RAIDFRAME_CHECK_COPYBACK_STATUS"); printf("Copyback is %d%% complete.\n", copyback_percent_done); /* These 3 should be mutually exclusive at this point */ if (recon_percent_done < 100) { printf("Reconstruction status:\n"); do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS); } else if (parity_percent_done < 100) { printf("Parity Re-write status:\n"); do_meter(fd,RAIDFRAME_CHECK_PARITYREWRITE_STATUS); } else if (copyback_percent_done < 100) { printf("Copyback status:\n"); do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS); } } char *tbits = "|/-\\"; static void do_meter( fd, option ) int fd; int option; { int percent_done; int last_percent; int start_percent; struct timeval start_time; struct timeval last_time; struct timeval current_time; double elapsed; int elapsed_sec; int elapsed_usec; int simple_eta,last_eta; double rate; int amount; int tbit_value; int wait_for_more_data; char buffer[1024]; char bar_buffer[1024]; char eta_buffer[1024]; if (gettimeofday(&start_time,NULL)) { fprintf(stderr,"%s: gettimeofday failed!?!?\n",__progname); exit(errno); } percent_done = 0; do_ioctl( fd, option, &percent_done, ""); last_percent = percent_done; start_percent = percent_done; last_time = start_time; current_time = start_time; wait_for_more_data = 0; tbit_value = 0; while(percent_done < 100) { get_bar(bar_buffer, percent_done, 40); elapsed_sec = current_time.tv_sec - last_time.tv_sec; elapsed_usec = current_time.tv_usec - last_time.tv_usec; if (elapsed_usec < 0) { elapsed_usec-=1000000; elapsed_sec++; } elapsed = (double) elapsed_sec + (double) elapsed_usec / 1000000.0; if (elapsed <= 0.0) { elapsed = 0.0001; /* XXX */ } amount = percent_done - last_percent; if (amount <= 0) { /* we don't do negatives (yet?) */ amount = 0; wait_for_more_data = 1; } else { wait_for_more_data = 0; } rate = amount / elapsed; if (rate > 0.0) { simple_eta = (int) ((100.0 - (double) last_percent ) / rate); } else { simple_eta = -1; } if (simple_eta <=0) { simple_eta = last_eta; } else { last_eta = simple_eta; } get_time_string(eta_buffer, simple_eta); snprintf(buffer,1024,"\r%3d%% |%s| ETA: %s %c", percent_done,bar_buffer,eta_buffer,tbits[tbit_value]); write(fileno(stdout),buffer,strlen(buffer)); fflush(stdout); /* resolution wasn't high enough... wait until we get another timestamp and perhaps more "work" done. */ if (!wait_for_more_data) { last_time = current_time; last_percent = percent_done; } if (++tbit_value>3) tbit_value = 0; sleep(2); if (gettimeofday(¤t_time,NULL)) { fprintf(stderr,"%s: gettimeofday failed!?!?\n", __progname); exit(errno); } do_ioctl( fd, option, &percent_done, ""); } printf("\n"); } /* 40 '*''s per line, then 40 ' ''s line. */ /* If you've got a screen wider than 160 characters, "tough" */ #define STAR_MIDPOINT 4*40 const char stars[] = "****************************************" "****************************************" "****************************************" "****************************************" " " " " " " " " " "; static void get_bar(string,percent,max_strlen) char *string; double percent; int max_strlen; { int offset; if (max_strlen > STAR_MIDPOINT) { max_strlen = STAR_MIDPOINT; } offset = STAR_MIDPOINT - (int)((percent * max_strlen)/ 100); if (offset < 0) offset = 0; snprintf(string,max_strlen,"%s",&stars[offset]); } static void get_time_string(string,simple_time) char *string; int simple_time; { int minutes, seconds, hours; char hours_buffer[5]; char minutes_buffer[5]; char seconds_buffer[5]; if (simple_time >= 0) { minutes = (int) simple_time / 60; seconds = ((int)simple_time - 60*minutes); hours = minutes / 60; minutes = minutes - 60*hours; if (hours > 0) { snprintf(hours_buffer,5,"%02d:",hours); } else { snprintf(hours_buffer,5," "); } snprintf(minutes_buffer,5,"%02d:",minutes); snprintf(seconds_buffer,5,"%02d",seconds); snprintf(string,1024,"%s%s%s", hours_buffer, minutes_buffer, seconds_buffer); } else { snprintf(string,1024," --:--"); } } static void usage() { fprintf(stderr, "usage: %s [-v] -a component dev\n", __progname); fprintf(stderr, " %s [-v] -B dev\n", __progname); fprintf(stderr, " %s [-v] -c config_file dev\n", __progname); fprintf(stderr, " %s [-v] -C config_file dev\n", __progname); fprintf(stderr, " %s [-v] -f component dev\n", __progname); fprintf(stderr, " %s [-v] -F component dev\n", __progname); fprintf(stderr, " %s [-v] -g component dev\n", __progname); fprintf(stderr, " %s [-v] -i dev\n", __progname); fprintf(stderr, " %s [-v] -I serial_number dev\n", __progname); fprintf(stderr, " %s [-v] -r component dev\n", __progname); fprintf(stderr, " %s [-v] -R component dev\n", __progname); fprintf(stderr, " %s [-v] -s dev\n", __progname); fprintf(stderr, " %s [-v] -S dev\n", __progname); fprintf(stderr, " %s [-v] -u dev\n", __progname); #if 0 fprintf(stderr, "usage: %s %s\n", __progname, "-a | -f | -F | -g | -r | -R component dev"); fprintf(stderr, " %s -B | -i | -s | -S -u dev\n", __progname); fprintf(stderr, " %s -c | -C config_file dev\n", __progname); fprintf(stderr, " %s -I serial_number dev\n", __progname); #endif exit(1); /* NOTREACHED */ }