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73b15e4723
Wait for the usbredir disconnect acknowledgement before closing SPICE. Block replug while removal is pending and bound the shutdown wait.
77 lines
2.8 KiB
C
77 lines
2.8 KiB
C
/**
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* Looking Glass
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* Copyright © 2017-2026 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _H_LG_CLIENT_USBREDIR_
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#define _H_LG_CLIENT_USBREDIR_
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#include <purespice.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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struct usbredirparser;
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typedef struct LG_USBRedir LG_USBRedir;
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/* Availability transitions are delivered on the PureSpice process thread. */
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typedef void (*LG_USBRedirStatusFn)(void * opaque, bool available);
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typedef struct LG_USBRedirDeviceOps
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{
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/* Install the device packet callbacks on a newly-created parser. */
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void (*setup)(void * opaque, struct usbredirparser * parser);
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/* Queue the device descriptors and connection announcement. */
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void (*plug)(void * opaque, struct usbredirparser * parser);
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/* Stop all device activity. The bridge sends the disconnect packet. */
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void (*unplug)(void * opaque);
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}
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LG_USBRedirDeviceOps;
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LG_USBRedir * lgUsbRedir_create(
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const LG_USBRedirDeviceOps * deviceOps, void * deviceOpaque,
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LG_USBRedirStatusFn status, void * statusOpaque);
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/* The PureSpice session must be stopped before destroying the bridge. */
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void lgUsbRedir_destroy(LG_USBRedir * usbredir);
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/* This may be called from another thread. The request is applied by
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* lgUsbRedir_process on the PureSpice processing thread. */
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void lgUsbRedir_setPlugged(LG_USBRedir * usbredir, bool plugged);
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bool lgUsbRedir_available(const LG_USBRedir * usbredir);
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/* True after a device disconnect has been sent and until the guest has
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* completed the detach. This must be queried on the processing thread. */
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bool lgUsbRedir_disconnectPending(const LG_USBRedir * usbredir);
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/* Apply pending device state and flush parser output. This must be called on
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* the PureSpice processing thread. */
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bool lgUsbRedir_process(LG_USBRedir * usbredir);
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void lgUsbRedir_state(PSUSBRedirChannel * channel,
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PSUSBRedirState state, void * opaque);
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bool lgUsbRedir_data(PSUSBRedirChannel * channel,
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const uint8_t * data, size_t size, void * opaque);
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/* Parser callbacks receive the bridge as their opaque value. */
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void * lgUsbRedir_device(void * parserOpaque);
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#endif
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