non consigo chegar ó 'block'
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parent
4662c0985b
commit
f7e2fcddd7
140
mpfm.c
140
mpfm.c
@ -7,15 +7,13 @@
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static int count = 0;
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static int count = 0;
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void get_partition(uint16_t idVendor, uint16_t idProduct) {
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static struct udev_device* get_child(struct udev* udev, struct udev_device* parent, const char* subsystem)
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struct udev *udev = udev_new();
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{
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if (!udev) {
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struct udev_device* child = NULL;
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printf("Error: Failed to initialize udev.\n");
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return;
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}
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struct udev_enumerate *enumerate = udev_enumerate_new(udev);
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struct udev_enumerate *enumerate = udev_enumerate_new(udev);
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udev_enumerate_add_match_subsystem(enumerate, "block");
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udev_enumerate_add_match_parent(enumerate, parent);
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udev_enumerate_add_match_subsystem(enumerate, subsystem);
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udev_enumerate_scan_devices(enumerate);
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udev_enumerate_scan_devices(enumerate);
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struct udev_list_entry *devices = udev_enumerate_get_list_entry(enumerate);
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struct udev_list_entry *devices = udev_enumerate_get_list_entry(enumerate);
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@ -23,43 +21,99 @@ void get_partition(uint16_t idVendor, uint16_t idProduct) {
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udev_list_entry_foreach(entry, devices) {
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udev_list_entry_foreach(entry, devices) {
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const char *path = udev_list_entry_get_name(entry);
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const char *path = udev_list_entry_get_name(entry);
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struct udev_device *dev = udev_device_new_from_syspath(udev, path);
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printf("%s\n", path); // DEBUG
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child = udev_device_new_from_syspath(udev, path);
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break;
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}
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// Obtén el idVendor e idProduct del dispositivo USB actual
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udev_enumerate_unref(enumerate);
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const char *vendor_id_str = udev_device_get_sysattr_value(dev, "idVendor");
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return child;
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const char *product_id_str = udev_device_get_sysattr_value(dev, "idProduct");
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}
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printf(vendor_id_str);
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if (vendor_id_str && product_id_str) {
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void get_partition(uint16_t idVendor, uint16_t idProduct)
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uint16_t vendor_id = strtol(vendor_id_str, NULL, 16);
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{
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uint16_t product_id = strtol(product_id_str, NULL, 16);
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struct udev *udev = udev_new();
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if (!udev) {
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printf("Error: Failed to initialize udev.\n");
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return;
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}
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if (vendor_id == idVendor && product_id == idProduct) {
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struct udev_enumerate *enumerate = udev_enumerate_new(udev);
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const char *partition = udev_device_get_devnode(dev);
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if (partition) {
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// Extraer el nombre de la partición
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const char *partition_name = strrchr(partition, '/');
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if (partition_name) {
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printf("Partition: %s\n", partition_name + 1);
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} else {
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printf("Partition: %s\n", partition);
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}
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} else {
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printf("Error: Failed to get partition.\n");
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}
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break;
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}
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}
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udev_device_unref(dev);
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udev_enumerate_add_match_subsystem(enumerate, "scsi");
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/* udev_enumerate_add_match_property(enumerate, "DEVTYPE", "scsi_target"); */
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udev_enumerate_scan_devices(enumerate);
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struct udev_list_entry *devices = udev_enumerate_get_list_entry(enumerate);
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struct udev_list_entry *entry;
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udev_list_entry_foreach(entry, devices) {
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const char *path = udev_list_entry_get_name(entry);
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printf("%s\n", path); // DEBUG
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struct udev_device* scsi = udev_device_new_from_syspath(udev, path);
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struct udev_device* block = get_child(udev, scsi, "block");
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struct udev_device* scsi_disk = get_child(udev, scsi, "scsi_disk");
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struct udev_device* usb
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= udev_device_get_parent_with_subsystem_devtype(
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scsi, "usb", "usb_device");
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/* if (block && scsi_disk && usb) { */
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printf("block = %s, usb = %s:%s, scsi = %s\n",
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udev_device_get_devnode(block),
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udev_device_get_sysattr_value(usb, "idVendor"),
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udev_device_get_sysattr_value(usb, "idProduct"),
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udev_device_get_sysattr_value(scsi, "vendor"));
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printf(" %s\n %s\n",
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udev_device_get_sysattr_value(usb,"manufacturer"),
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udev_device_get_sysattr_value(usb,"product"));
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printf(" serial: %s\n",
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udev_device_get_sysattr_value(usb, "serial"));
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/* } */
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if (block)
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udev_device_unref(block);
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if (scsi_disk)
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udev_device_unref(scsi_disk);
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/* // Obtén el idVendor e idProduct del dispositivo USB actual */
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/* const char *vendor_id_str = udev_device_get_sysattr_value(dev, "idVendor"); */
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/* const char *product_id_str = udev_device_get_sysattr_value(dev, "idProduct"); */
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/* if (vendor_id_str && product_id_str) { */
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/* uint16_t vendor_id = strtol(vendor_id_str, NULL, 16); */
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/* uint16_t product_id = strtol(product_id_str, NULL, 16); */
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/* */
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/* if (vendor_id == idVendor && product_id == idProduct) { */
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/* const char *partition = udev_device_get_devnode(dev); */
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/* if (partition) { */
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/* // Extraer el nombre de la partición */
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/* const char *partition_name = strrchr(partition, '/'); */
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/* if (partition_name) { */
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/* printf("Partition: %s\n", partition_name + 1); */
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/* } else { */
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/* printf("Partition: %s\n", partition); */
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/* } */
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/* } else { */
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/* printf("Error: Failed to get partition.\n"); */
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/* } */
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/* break; */
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/* } */
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/* } */
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udev_device_unref(scsi);
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}
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}
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udev_enumerate_unref(enumerate);
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udev_enumerate_unref(enumerate);
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udev_unref(udev);
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udev_unref(udev);
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}
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}
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int hotplug_callback(struct libusb_context *ctx, struct libusb_device *dev,
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int
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libusb_hotplug_event event, void *user_data) {
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hotplug_callback(struct libusb_context *ctx, struct libusb_device *dev,
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libusb_hotplug_event event, void *user_data)
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{
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static libusb_device_handle *dev_handle = NULL;
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static libusb_device_handle *dev_handle = NULL;
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struct libusb_device_descriptor desc;
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struct libusb_device_descriptor desc;
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int rc;
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int rc;
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@ -67,14 +121,14 @@ int hotplug_callback(struct libusb_context *ctx, struct libusb_device *dev,
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(void)libusb_get_device_descriptor(dev, &desc);
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(void)libusb_get_device_descriptor(dev, &desc);
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printf("%04x:%04x (bus %d, device %d)\n",
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printf("%04x:%04x (bus %d, device %d)\n",
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desc.idVendor, desc.idProduct,
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desc.idVendor, desc.idProduct,
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libusb_get_bus_number(dev), libusb_get_device_address(dev));
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libusb_get_bus_number(dev), libusb_get_device_address(dev));
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if (LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED == event) {
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if (LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED == event) {
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rc = libusb_open(dev, &dev_handle);
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/* rc = libusb_open(dev, &dev_handle); */
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if (LIBUSB_SUCCESS != rc) {
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/* if (LIBUSB_SUCCESS != rc) { */
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printf("Could not open USB device\n");
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/* printf("Could not open USB device\n"); */
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}
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/* } */
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// Obtén la partición del dispositivo
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// Obtén la partición del dispositivo
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get_partition(desc.idVendor, desc.idProduct);
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get_partition(desc.idVendor, desc.idProduct);
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@ -92,7 +146,9 @@ int hotplug_callback(struct libusb_context *ctx, struct libusb_device *dev,
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return 0;
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return 0;
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}
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}
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int main (void) {
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int
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main (void)
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{
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libusb_hotplug_callback_handle callback_handle;
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libusb_hotplug_callback_handle callback_handle;
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int rc;
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int rc;
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