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author | Alex Bligh <alex@alex.org.uk> | 2013-02-19 15:25:15 +0000 |
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committer | Alex Bligh <alex@alex.org.uk> | 2013-02-19 15:25:15 +0000 |
commit | 3c3282053a9011885185b267960a4947b21d0101 (patch) | |
tree | 85ca16a2f3edefb1e2000e099e864fda05f17ecb /tools/libxl | |
parent | da9d0781fe3fdd4f1b6520cbdab604680e87d4cf (diff) | |
download | xen-3c3282053a9011885185b267960a4947b21d0101.tar.gz xen-3c3282053a9011885185b267960a4947b21d0101.tar.bz2 xen-3c3282053a9011885185b267960a4947b21d0101.zip |
libxl_qmp: Simplify run of single QMP commands.
This new function connects to QEMU, sends the command and disconnects.
Backport of xen-unstable patch:
: HG changeset patch
: User Anthony PERARD <anthony.perard@citrix.com>
: Date 1349693134 -3600
: Node ID f3890916496445c97d6778d6c986b0270ff707f2
: Parent be5d014f91dfbd67afacc3385c265243794a246f
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
Diffstat (limited to 'tools/libxl')
-rw-r--r-- | tools/libxl/libxl_qmp.c | 77 |
1 files changed, 22 insertions, 55 deletions
diff --git a/tools/libxl/libxl_qmp.c b/tools/libxl/libxl_qmp.c index 605e8f389b..b09bf137fd 100644 --- a/tools/libxl/libxl_qmp.c +++ b/tools/libxl/libxl_qmp.c @@ -798,6 +798,23 @@ out: return rc; } +static int qmp_run_command(libxl__gc *gc, int domid, + const char *cmd, libxl__json_object *args, + qmp_callback_t callback, void *opaque) +{ + libxl__qmp_handler *qmp = NULL; + int rc = 0; + + qmp = libxl__qmp_initialize(gc, domid); + if (!qmp) + return ERROR_FAIL; + + rc = qmp_synchronous_send(qmp, cmd, args, callback, opaque, qmp->timeout); + + libxl__qmp_close(qmp); + return rc; +} + int libxl__qmp_pci_add(libxl__gc *gc, int domid, libxl_device_pci *pcidev) { libxl__qmp_handler *qmp = NULL; @@ -836,21 +853,10 @@ int libxl__qmp_pci_add(libxl__gc *gc, int domid, libxl_device_pci *pcidev) static int qmp_device_del(libxl__gc *gc, int domid, char *id) { - libxl__qmp_handler *qmp = NULL; libxl__json_object *args = NULL; - int rc = 0; - - qmp = libxl__qmp_initialize(gc, domid); - if (!qmp) - return ERROR_FAIL; qmp_parameters_add_string(gc, &args, "id", id); - - rc = qmp_synchronous_send(qmp, "device_del", args, - NULL, NULL, qmp->timeout); - - libxl__qmp_close(qmp); - return rc; + return qmp_run_command(gc, domid, "device_del", args, NULL, NULL); } int libxl__qmp_pci_del(libxl__gc *gc, int domid, libxl_device_pci *pcidev) @@ -865,27 +871,10 @@ int libxl__qmp_pci_del(libxl__gc *gc, int domid, libxl_device_pci *pcidev) int libxl__qmp_save(libxl__gc *gc, int domid, const char *filename) { - libxl__qmp_handler *qmp = NULL; libxl__json_object *args = NULL; - int rc = 0; - - qmp = libxl__qmp_initialize(gc, domid); - if (!qmp) - return ERROR_FAIL; - - qmp_parameters_add_string(gc, &args, "filename", (char *)filename); - if (!args) { - rc = ERROR_NOMEM; - goto out; - } - - rc = qmp_synchronous_send(qmp, "xen-save-devices-state", args, - NULL, NULL, qmp->timeout); - -out: - libxl__qmp_close(qmp); - return rc; + return qmp_run_command(gc, domid, "xen-save-devices-state", args, + NULL, NULL); } static int qmp_change(libxl__gc *gc, libxl__qmp_handler *qmp, @@ -908,34 +897,12 @@ static int qmp_change(libxl__gc *gc, libxl__qmp_handler *qmp, int libxl__qmp_stop(libxl__gc *gc, int domid) { - libxl__qmp_handler *qmp = NULL; - int rc = 0; - - qmp = libxl__qmp_initialize(gc, domid); - if (!qmp) - return ERROR_FAIL; - - rc = qmp_synchronous_send(qmp, "stop", NULL, - NULL, NULL, qmp->timeout); - - libxl__qmp_close(qmp); - return rc; + return qmp_run_command(gc, domid, "stop", NULL, NULL, NULL); } int libxl__qmp_resume(libxl__gc *gc, int domid) { - libxl__qmp_handler *qmp = NULL; - int rc = 0; - - qmp = libxl__qmp_initialize(gc, domid); - if (!qmp) - return ERROR_FAIL; - - rc = qmp_synchronous_send(qmp, "cont", NULL, - NULL, NULL, qmp->timeout); - - libxl__qmp_close(qmp); - return rc; + return qmp_run_command(gc, domid, "cont", NULL, NULL, NULL); } int libxl__qmp_initializations(libxl__gc *gc, uint32_t domid, |