/*
 * Originally released under the Be Sample Code License.
 * Copyright 2000, Be Incorporated. All rights reserved.
 *
 * Modified for Haiku by François Revol and Michael Lotz.
 * Copyright 2007-2008, Haiku Inc. All rights reserved.
 */

#include <Directory.h>
#include <Entry.h>
#include <Path.h>
#include <String.h>
#include <stdio.h>
#include <usb/USB_audio.h>
#include <usb/USB_cdc.h>
#include <usb/USB_video.h>

#include "usbspec_private.h"
#include "usb-utils.h"

#include "listusb.h"


void
DumpCDCDescriptor(const usb_generic_descriptor* descriptor, int subclass)
{
	if (descriptor->descriptor_type == 0x24) {
		printf("                    Type ............. CDC interface descriptor\n");
		printf("                    Subtype .......... ");
		switch (descriptor->data[0]) {
			case USB_CDC_HEADER_FUNCTIONAL_DESCRIPTOR:
				printf("Header\n");
				printf("                    CDC Version ...... %x.%x\n",
					descriptor->data[2], descriptor->data[1]);
				return;
			case USB_CDC_CM_FUNCTIONAL_DESCRIPTOR:
			{
				printf("Call management\n");
				const usb_cdc_cm_functional_descriptor* cmDesc
					= (const usb_cdc_cm_functional_descriptor*)descriptor;
				printf("                    Capabilities ..... ");
				bool somethingPrinted = false;
				if ((cmDesc->capabilities & USB_CDC_CM_DOES_CALL_MANAGEMENT) != 0) {
					printf("Call management");
					somethingPrinted = true;
				}
				if ((cmDesc->capabilities & USB_CDC_CM_OVER_DATA_INTERFACE) != 0) {
					if (somethingPrinted)
						printf(", ");
					printf("Over data interface");
					somethingPrinted = true;
				}
				if (!somethingPrinted)
					printf("None");
				printf("\n");
				printf("                    Data interface ... %d\n", cmDesc->data_interface);
				return;
			}
			case USB_CDC_ACM_FUNCTIONAL_DESCRIPTOR:
			{
				printf("Abstract control management\n");
				const usb_cdc_acm_functional_descriptor* acmDesc
					= (const usb_cdc_acm_functional_descriptor*)descriptor;
				printf("                    Capabilities ..... ");
				bool somethingPrinted = false;
				if ((acmDesc->capabilities & USB_CDC_ACM_HAS_COMM_FEATURES) != 0) {
					printf("Communication features");
					somethingPrinted = true;
				}
				if ((acmDesc->capabilities & USB_CDC_ACM_HAS_LINE_CONTROL) != 0) {
					if (somethingPrinted)
						printf(", ");
					printf("Line control");
					somethingPrinted = true;
				}
				if ((acmDesc->capabilities & USB_CDC_ACM_HAS_SEND_BREAK) != 0) {
					if (somethingPrinted)
						printf(", ");
					printf("Send break");
					somethingPrinted = true;
				}
				if ((acmDesc->capabilities & USB_CDC_ACM_HAS_NETWORK_CONNECTION) != 0) {
					if (somethingPrinted)
						printf(", ");
					printf("Network connection");
					somethingPrinted = true;
				}
				if (!somethingPrinted)
					printf("None");
				printf("\n");
				return;
			}
			case 0x03:
				printf("Direct line management\n");
				break;
			case 0x04:
				printf("Telephone ringer management\n");
				break;
			case 0x05:
				printf("Telephone call and line state reporting\n");
				break;
			case USB_CDC_UNION_FUNCTIONAL_DESCRIPTOR:
				printf("Union\n");
				printf("                    Control interface  %d\n", descriptor->data[1]);
				for (int32 i = 2; i < descriptor->length - 2; i++)
					printf("                    Subordinate .....  %d\n", descriptor->data[i]);
				return;
			case 0x07:
				printf("Country selection\n");
				break;
			case 0x08:
				printf("Telephone operational mode\n");
				break;
			case 0x09:
				printf("USB Terminal\n");
				break;
			case 0x0A:
				printf("Network channel\n");
				break;
			case 0x0B:
				printf("Protocol init\n");
				break;
			case 0x0C:
				printf("Extension unit\n");
				break;
			case 0x0D:
				printf("Multi-channel management\n");
				break;
			case 0x0E:
				printf("CAPI control\n");
				break;
			case 0x0F:
				printf("Ethernet\n");
				break;
			case 0x10:
				printf("ATM\n");
				break;
			case 0x11:
				printf("Wireless handset\n");
				break;
			case 0x12:
				printf("Mobile direct line\n");
				break;
			case 0x13:
				printf("Mobile direct line detail\n");
				break;
			case 0x14:
				printf("Device management\n");
				break;
			case 0x15:
				printf("Object Exchange\n");
				break;
			case 0x16:
				printf("Command set\n");
				break;
			case 0x17:
				printf("Command set detail\n");
				break;
			case 0x18:
				printf("Telephone control\n");
				break;
			case 0x19:
				printf("Object Exchange service identifier\n");
				break;
			case 0x1A:
				printf("NCM\n");
				break;
			default:
				printf("0x%02x\n", descriptor->data[0]);
		}

		printf("                    Data ............. ");
		// len includes len and descriptor_type field
		// start at i = 1 because we already dumped the first byte as subtype
		for (int32 i = 1; i < descriptor->length - 2; i++)
			printf("%02x ", descriptor->data[i]);
		printf("\n");
		return;
	}

#if 0
	if (descriptor->descriptor_type == 0x25) {
		printf("                    Type ............. CDC endpoint descriptor\n",
		return;
	}
#endif

	DumpDescriptorData(descriptor);
}


void
DumpDescriptorData(const usb_generic_descriptor* descriptor)
{
	printf("                    Type ............. 0x%02x\n",
		descriptor->descriptor_type);

	printf("                    Data ............. ");
	// len includes len and descriptor_type field
	for (int32 i = 0; i < descriptor->length - 2; i++)
		printf("%02x ", descriptor->data[i]);
	printf("\n");
}


void
DumpDescriptor(const usb_generic_descriptor* descriptor,
	int classNum, int subclass)
{
	switch (classNum) {
		case USB_AUDIO_DEVICE_CLASS:
			DumpAudioDescriptor(descriptor, subclass);
			break;
		case USB_VIDEO_DEVICE_CLASS:
			DumpVideoDescriptor(descriptor, subclass);
			break;
		case USB_COMMUNICATION_DEVICE_CLASS:
		case USB_COMMUNICATION_WIRELESS_DEVICE_CLASS:
			DumpCDCDescriptor(descriptor, subclass);
			break;
		default:
			DumpDescriptorData(descriptor);
			break;
	}
}


static void
DumpInterface(const BUSBInterface* interface)
{
	if (!interface)
		return;

	char classInfo[128];
	usb_get_class_info(interface->Class(), 0, 0, classInfo, sizeof(classInfo));
	printf("                Class .............. 0x%02x (%s)\n",
		interface->Class(), classInfo);
	usb_get_class_info(interface->Class(), interface->Subclass(), 0, classInfo, sizeof(classInfo));
	printf("                Subclass ........... 0x%02x%s\n",
		interface->Subclass(), classInfo);
	usb_get_class_info(interface->Class(), interface->Subclass(), interface->Protocol(), classInfo,
		sizeof(classInfo));
	printf("                Protocol ........... 0x%02x%s\n",
		interface->Protocol(), classInfo);
	printf("                Interface String ... \"%s\"\n",
		interface->InterfaceString());

	for (uint32 i = 0; i < interface->CountEndpoints(); i++) {
		const BUSBEndpoint* endpoint = interface->EndpointAt(i);
		if (!endpoint)
			continue;

		printf("                [Endpoint %" B_PRIu32 "]\n", i);
		printf("                    MaxPacketSize .... %d\n",
			endpoint->MaxPacketSize());
		printf("                    Interval ......... %d\n",
			endpoint->Interval());

		if (endpoint->IsControl())
			printf("                    Type ............. Control\n");
		else if (endpoint->IsBulk())
			printf("                    Type ............. Bulk\n");
		else if (endpoint->IsIsochronous())
			printf("                    Type ............. Isochronous\n");
		else if (endpoint->IsInterrupt())
			printf("                    Type ............. Interrupt\n");

		if (endpoint->IsInput())
			printf("                    Direction ........ Input\n");
		else
			printf("                    Direction ........ Output\n");
	}

	char buffer[256];
	usb_descriptor* generic = (usb_descriptor*)buffer;
	for (uint32 i = 0;
			interface->OtherDescriptorAt(i, generic, 256) == B_OK; i++) {
		printf("                [Descriptor %" B_PRIu32 "]\n", i);
		DumpDescriptor(&generic->generic, interface->Class(), interface->Subclass());
	}
}


static void
DumpConfiguration(const BUSBConfiguration* configuration)
{
	if (!configuration)
		return;

	printf("        Configuration String . \"%s\"\n",
		configuration->ConfigurationString());
	for (uint32 i = 0; i < configuration->CountInterfaces(); i++) {
		printf("        [Interface %" B_PRIu32 "]\n", i);
		const BUSBInterface* interface = configuration->InterfaceAt(i);

		for (uint32 j = 0; j < interface->CountAlternates(); j++) {
			const BUSBInterface* alternate = interface->AlternateAt(j);
			printf("            [Alternate %" B_PRIu32 "%s]\n", j,
				j == interface->AlternateIndex() ? " active" : "");
			DumpInterface(alternate);
		}
	}
}


static void
DumpInfo(BUSBDevice& device, bool verbose)
{
	const char* vendorName = NULL;
	const char* deviceName = NULL;
	usb_get_vendor_info(device.VendorID(), &vendorName);
	usb_get_device_info(device.VendorID(), device.ProductID(), &deviceName);

	if (!verbose) {
		printf("%04x:%04x /dev/bus/usb%s \"%s\" \"%s\" ver. %04x\n",
			device.VendorID(), device.ProductID(), device.Location(),
			vendorName ? vendorName : device.ManufacturerString(),
			deviceName ? deviceName : device.ProductString(),
			device.Version());
		return;
	}

	char classInfo[128];
	printf("[Device /dev/bus/usb%s]\n", device.Location());
	usb_get_class_info(device.Class(), 0, 0, classInfo, sizeof(classInfo));
	printf("    Class .................. 0x%02x (%s)\n", device.Class(), classInfo);
	usb_get_class_info(device.Class(), device.Subclass(), 0, classInfo, sizeof(classInfo));
	printf("    Subclass ............... 0x%02x%s\n", device.Subclass(), classInfo);
	usb_get_class_info(device.Class(), device.Subclass(), device.Protocol(), classInfo,
		sizeof(classInfo));
	printf("    Protocol ............... 0x%02x%s\n", device.Protocol(), classInfo);
	printf("    Max Endpoint 0 Packet .. %d\n", device.MaxEndpoint0PacketSize());
	uint32_t version = device.USBVersion();
	printf("    USB Version ............ %d.%d\n", version >> 8, version & 0xFF);
	printf("    Vendor ID .............. 0x%04x", device.VendorID());
	if (vendorName != NULL)
		printf(" (%s)", vendorName);
	printf("\n    Product ID ............. 0x%04x", device.ProductID());
	if (deviceName != NULL)
		printf(" (%s)", deviceName);
	printf("\n    Product Version ........ 0x%04x\n", device.Version());
	printf("    Manufacturer String .... \"%s\"\n", device.ManufacturerString());
	printf("    Product String ......... \"%s\"\n", device.ProductString());
	printf("    Serial Number .......... \"%s\"\n", device.SerialNumberString());

	for (uint32 i = 0; i < device.CountConfigurations(); i++) {
		printf("    [Configuration %" B_PRIu32 "]\n", i);
		DumpConfiguration(device.ConfigurationAt(i));
	}

	if (device.Class() != 0x09)
		return;

	usb_hub_descriptor hubDescriptor;
	size_t size = device.GetDescriptor(USB_DESCRIPTOR_HUB, 0, 0,
		(void*)&hubDescriptor, sizeof(usb_hub_descriptor));
	if (size == sizeof(usb_hub_descriptor)) {
		printf("    Hub ports count......... %d\n", hubDescriptor.num_ports);
		printf("    Hub Controller Current.. %dmA\n", hubDescriptor.max_power);

		for (int index = 1; index <= hubDescriptor.num_ports; index++) {
			usb_port_status portStatus;
			size_t actualLength = device.ControlTransfer(USB_REQTYPE_CLASS
				| USB_REQTYPE_OTHER_IN, USB_REQUEST_GET_STATUS, 0,
				index, sizeof(portStatus), (void*)&portStatus);
			if (actualLength != sizeof(portStatus))
				continue;
			printf("      Port %d status....... %04x.%04x%s%s%s%s%s%s%s%s\n",
				index, portStatus.status, portStatus.change,
				portStatus.status & PORT_STATUS_CONNECTION ? " Connect": "",
				portStatus.status & PORT_STATUS_ENABLE ? " Enable": "",
				portStatus.status & PORT_STATUS_SUSPEND ? " Suspend": "",
				portStatus.status & PORT_STATUS_OVER_CURRENT ? " Overcurrent": "",
				portStatus.status & PORT_STATUS_RESET ? " Reset": "",
				portStatus.status & PORT_STATUS_POWER ? " Power": "",
				portStatus.status & PORT_STATUS_TEST ? " Test": "",
				portStatus.status & PORT_STATUS_INDICATOR ? " Indicator": "");
		}
	}
}


class DumpRoster : public BUSBRoster {
public:
					DumpRoster(bool verbose)
						:	fVerbose(verbose)
					{
					}


virtual	status_t	DeviceAdded(BUSBDevice* device)
					{
						DumpInfo(*device, fVerbose);
						return B_OK;
					}


virtual	void		DeviceRemoved(BUSBDevice* device)
					{
					}

private:
		bool		fVerbose;
};



int
main(int argc, char* argv[])
{
	bool verbose = false;
	BString devname = "";
	for (int i = 1; i < argc; i++) {
		if (argv[i][0] == '-') {
			if (argv[i][1] == 'v')
				verbose = true;
			else {
				printf("Usage: listusb [-v] [device]\n\n");
				printf("-v: Show more detailed information including "
					"interfaces, configurations, etc.\n\n");
				printf("If a device is not specified, "
					"all devices found on the bus will be listed\n");
				return 1;
			}
		} else
			devname = argv[i];
	}

	if (devname.Length() > 0) {
		BUSBDevice device(devname.String());
		if (device.InitCheck() < B_OK) {
			printf("Cannot open USB device: %s\n", devname.String());
			return 1;
		} else {
				DumpInfo(device, verbose);
				return 0;
		}
	} else {
		DumpRoster roster(verbose);
		roster.Start();
		roster.Stop();
	}

	return 0;
}