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b70d6afe4d
Currently whenever the qemu-ga's service doesn't find the virtio-serial
the run_agent() loops in a QGA_RETRY_INTERVAL (default 5 seconds)
intervals and try to restart the qemu-ga which causes a synchronous loop.
Changed to wait and listen for the serial events by registering for
notifications a proper serial event handler that deals with events:
DBT_DEVICEARRIVAL indicates that the device has been inserted and
is available
DBT_DEVICEREMOVECOMPLETE indicates that the devive has been removed
Which allow us to determine when the channel path is available for the
qemu-ga to restart.
Signed-off-by: Bishara AbuHattoum <bishara@daynix.com>
Signed-off-by: Sameeh Jubran <sameeh@daynix.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
/*
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* QEMU Guest Agent helpers for win32 service management
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*
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* Copyright IBM Corp. 2012
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*
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* Authors:
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* Gal Hammer <ghammer@redhat.com>
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* Michael Roth <mdroth@linux.vnet.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef QGA_SERVICE_WIN32_H
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#define QGA_SERVICE_WIN32_H
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#include <windows.h>
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#define QGA_SERVICE_DISPLAY_NAME "QEMU Guest Agent"
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#define QGA_SERVICE_NAME "qemu-ga"
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#define QGA_SERVICE_DESCRIPTION "Enables integration with QEMU machine emulator and virtualizer."
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static const GUID GUID_VIOSERIAL_PORT = { 0x6fde7521, 0x1b65, 0x48ae,
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{ 0xb6, 0x28, 0x80, 0xbe, 0x62, 0x1, 0x60, 0x26 } };
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typedef struct GAService {
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SERVICE_STATUS status;
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SERVICE_STATUS_HANDLE status_handle;
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HDEVNOTIFY device_notification_handle;
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} GAService;
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int ga_install_service(const char *path, const char *logfile,
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const char *state_dir);
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int ga_uninstall_service(void);
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#endif
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