allow absolute reboot (hh:mm) time to be specified with -r switch

diff --git a/hmland.c b/hmland.c
index d09b10b73ecbdba7d8668021e6dcfb413767aa43..5523cbd89c949229172abe6690d42d7b038551ef 100644 (file)
--- a/hmland.c
+++ b/hmland.c
@@ -52,6 +52,8 @@ static int impersonate_hmlanif = 0;
 static int debug = 0;
 static int verbose = 0;
 static int reboot_seconds = 0;
+static int reboot_at_hour = -1;
+static int reboot_at_minute = -1;
 
 struct queued_rx {
        char *rx;
@@ -443,7 +445,7 @@ static int comm(int fd_in, int fd_out, int master_socket, int flags)
 
        if (dev->bootloader) {
                if (verbose)
-                       fprintf(stderr, "HM-CFG-USB in bootloader mode, restarting in normal mode...\n");
+                       printf("HM-CFG-USB in bootloader mode, restarting in normal mode...\n");
 
                hmcfgusb_leave_bootloader(dev);
 
@@ -452,6 +454,42 @@ static int comm(int fd_in, int fd_out, int master_socket, int flags)
                return 0;
        }
 
+       if ((reboot_at_hour != -1) && (reboot_at_minute != -1)) {
+               struct tm *tm_s;
+               time_t tm;
+
+               tm = time(NULL);
+               tm_s = localtime(&tm);
+               if (tm_s == NULL) {
+                       perror("localtime");
+                       return 0;
+               }
+
+               if ((tm_s->tm_hour > reboot_at_hour) ||
+                   ((tm_s->tm_hour == reboot_at_hour) && (tm_s->tm_min >= reboot_at_minute))) {
+                       if (verbose)
+                               printf("Rebooting tomorrow at %02u:%02u\n", reboot_at_hour, reboot_at_minute);
+
+                       tm = 86400;
+               } else {
+                       if (verbose)
+                               printf("Rebooting today at %02u:%02u\n", reboot_at_hour, reboot_at_minute);
+
+                       tm = 0;
+               }
+
+               tm_s->tm_hour = reboot_at_hour;
+               tm_s->tm_min = reboot_at_minute;
+               tm_s->tm_sec = 0;
+
+               tm += mktime(tm_s);
+               reboot_seconds = tm - dev->opened_at;
+       }
+
+       if (verbose && reboot_seconds)
+               printf("Rebooting in %u seconds\n", reboot_seconds);
+
+
        if (!hmcfgusb_add_pfd(dev, fd_in, POLLIN)) {
                fprintf(stderr, "Can't add client to pollfd!\n");
                hmcfgusb_close(dev);
@@ -509,7 +547,7 @@ static int comm(int fd_in, int fd_out, int master_socket, int flags)
 
                if (reboot_seconds && ((dev->opened_at + reboot_seconds) <= time(NULL))) {
                        if (verbose) {
-                               fprintf(stderr, "HM-CFG-USB running since %lu seconds, rebooting now...\n",
+                               printf("HM-CFG-USB running since %lu seconds, rebooting now...\n",
                                        time(NULL) - dev->opened_at);
                        }
                        hmcfgusb_enter_bootloader(dev);
@@ -704,15 +742,16 @@ void hmlan_syntax(char *prog)
 {
        fprintf(stderr, "Syntax: %s options\n\n", prog);
        fprintf(stderr, "Possible options:\n");
-       fprintf(stderr, "\t-D\tdebug mode\n");
-       fprintf(stderr, "\t-d\tdaemon mode\n");
-       fprintf(stderr, "\t-h\tthis help\n");
-       fprintf(stderr, "\t-i\tinteractive mode (connect HM-CFG-USB to terminal)\n");
-       fprintf(stderr, "\t-l ip\tlisten on given IP address only (for example 127.0.0.1)\n");
-       fprintf(stderr, "\t-P\tcreate PID file " PID_FILE " in daemon mode\n");
-       fprintf(stderr, "\t-p n\tlisten on port n (default: 1000)\n");
-       fprintf(stderr, "\t-r n\treboot HM-CFG-USB after n seconds (0: no reboot, default: %u)\n", DEFAULT_REBOOT_SECONDS);
-       fprintf(stderr, "\t-v\tverbose mode\n");
+       fprintf(stderr, "\t-D\t\tdebug mode\n");
+       fprintf(stderr, "\t-d\t\tdaemon mode\n");
+       fprintf(stderr, "\t-h\t\tthis help\n");
+       fprintf(stderr, "\t-i\t\tinteractive mode (connect HM-CFG-USB to terminal)\n");
+       fprintf(stderr, "\t-l ip\t\tlisten on given IP address only (for example 127.0.0.1)\n");
+       fprintf(stderr, "\t-P\t\tcreate PID file " PID_FILE " in daemon mode\n");
+       fprintf(stderr, "\t-p n\t\tlisten on port n (default: 1000)\n");
+       fprintf(stderr, "\t-r n\t\treboot HM-CFG-USB after n seconds (0: no reboot, default: %u)\n", DEFAULT_REBOOT_SECONDS);
+       fprintf(stderr, "\t   hh:mm\treboot HM-CFG-USB daily at hh:mm\n");
+       fprintf(stderr, "\t-v\t\tverbose mode\n");
 
 }
 
@@ -755,8 +794,20 @@ int main(int argc, char **argv)
                        case 'r':
                                reboot_seconds = strtoul(optarg, &ep, 10);
                                if (*ep != '\0') {
-                                       fprintf(stderr, "Can't parse reboot-timeout!\n");
-                                       exit(EXIT_FAILURE);
+                                       if (*ep == ':') {
+                                               reboot_at_hour = reboot_seconds;
+                                               ep++;
+                                               reboot_at_minute = strtoul(ep, &ep, 10);
+                                               if (*ep != '\0') {
+                                                       fprintf(stderr, "Can't parse reboot-time!\n");
+                                                       exit(EXIT_FAILURE);
+                                               }
+
+                                               reboot_seconds = 0;
+                                       } else {
+                                               fprintf(stderr, "Can't parse reboot-timeout!\n");
+                                               exit(EXIT_FAILURE);
+                                       }
                                }
                                break;
                        case 'l':