diff options
| -rw-r--r-- | main.c | 43 |
1 files changed, 42 insertions, 1 deletions
@@ -53,6 +53,7 @@ static int quit_flag = 0; static int fsock = -1; static int verbose = DEBUG_LEVEL; static int foreground = 0; +static int exit_on_no_devices = 0; struct device_use_info { uint32_t device_id; @@ -869,12 +870,13 @@ static void parse_opts(int argc, char **argv) { "help", 0, NULL, 'h' }, { "foreground", 0, NULL, 'f' }, { "verbose", 0, NULL, 'v' }, + { "exit-on-no-devices", 0, NULL, 'e' }, { NULL, 0, NULL, 0} }; int c; while (1) { - c = getopt_long(argc, argv, "hfv", longopts, (int *) 0); + c = getopt_long(argc, argv, "hfve", longopts, (int *) 0); if (c == -1) { break; } @@ -889,6 +891,9 @@ static void parse_opts(int argc, char **argv) case 'v': sock_stuff_set_verbose(++verbose); break; + case 'e': + exit_on_no_devices = 1; + break; default: usage(); exit(2); @@ -897,6 +902,35 @@ static void parse_opts(int argc, char **argv) } /** + * checks for attached devices + * + * @return number of devices found + */ +static int devices_attached() +{ + struct usb_bus *bus; + struct usb_device *dev; + int res = 0; + + usb_init(); + usb_find_busses(); + usb_find_devices(); + + for (bus = usb_get_busses(); bus; bus = bus->next) { + for (dev = bus->devices; dev; dev = dev->next) { + if (dev->descriptor.idVendor == 0x05ac + && dev->descriptor.idProduct >= 0x1290 + && dev->descriptor.idProduct <= 0x1293) + { + res++; + } + } + } + + return res; +} + +/** * main function. Initializes all stuff and then loops waiting in accept. */ int main(int argc, char **argv) @@ -944,6 +978,13 @@ int main(int argc, char **argv) } } + if (exit_on_no_devices) { + if (devices_attached() <= 0) { + logmsg(LOG_NOTICE, "no devices attached. exiting."); + return 0; + } + } + fsock = create_unix_socket(USBMUXD_SOCKET_FILE); if (fsock < 0) { logmsg(LOG_ERR, "Could not create socket, exiting"); |