Commit f311f2c2 authored by Tomoki Sekiyama's avatar Tomoki Sekiyama Committed by Michael Roth
Browse files

qemu-ga: Install Windows VSS provider on `qemu-ga -s install' 



Register QGA VSS provider library into Windows when qemu-ga is installed as
Windows service ('-s install' option). It is deregistered when the service
is uninstalled ('-s uninstall' option).

Signed-off-by: default avatarTomoki Sekiyama <tomoki.sekiyama@hds.com>
Reviewed-by: default avatarMichael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: default avatarMichael Roth <mdroth@linux.vnet.ibm.com>
parent 64c00317

qga/main.c

+9 −1
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ 
#include "qemu/bswap.h"

#ifdef _WIN32

#include "qga/service-win32.h"

#include "qga/vss-win32.h"

#include <windows.h>

#endif

#ifdef __linux__
@@ -1031,8 +1032,15 @@ int main(int argc, char **argv) 
                fixed_state_dir = (state_dir == dfl_pathnames.state_dir) ?

                                  NULL :

                                  state_dir;

                return ga_install_service(path, log_filepath, fixed_state_dir);

                if (ga_install_vss_provider()) {

                    return EXIT_FAILURE;

                }

                if (ga_install_service(path, log_filepath, fixed_state_dir)) {

                    return EXIT_FAILURE;

                }

                return 0;

            } else if (strcmp(service, "uninstall") == 0) {

                ga_uninstall_vss_provider();

                return ga_uninstall_service();

            } else {

                printf("Unknown service command.\n");

qga/vss-win32.c

+25 −0
Original line number Diff line number Diff line
@@ -119,6 +119,31 @@ bool vss_initialized(void) 
    return !!provider_lib;

}



int ga_install_vss_provider(void)

{

    HRESULT hr;



    if (!vss_init(false)) {

        fprintf(stderr, "Installation of VSS provider is skipped. "

                "fsfreeze will be disabled.\n");

        return 0;

    }

    hr = call_vss_provider_func("COMRegister");

    vss_deinit(false);



    return SUCCEEDED(hr) ? 0 : EXIT_FAILURE;

}



void ga_uninstall_vss_provider(void)

{

    if (!vss_init(false)) {

        fprintf(stderr, "Removal of VSS provider is skipped.\n");

        return;

    }

    call_vss_provider_func("COMUnregister");

    vss_deinit(false);

}



/* Call VSS requester and freeze/thaw filesystems and applications */

void qga_vss_fsfreeze(int *nr_volume, Error **err, bool freeze)

{

qga/vss-win32.h

+3 −0
Original line number Diff line number Diff line
@@ -19,6 +19,9 @@ bool vss_init(bool init_requester); 
void vss_deinit(bool deinit_requester);

bool vss_initialized(void);



int ga_install_vss_provider(void);

void ga_uninstall_vss_provider(void);



void qga_vss_fsfreeze(int *nr_volume, Error **err, bool freeze);



#endif