[libvirt] [PATCH 3/3 V3] qemu:send-key: Implement the driver methods
Daniel P. Berrange
berrange at redhat.com
Fri Jun 24 13:21:43 UTC 2011
On Fri, Jun 24, 2011 at 02:33:31PM +0800, Lai Jiangshan wrote:
> qemu driver just accept xt_kbd codeset's keycode, so the lib virtkey
> is used for translating keycodes from other codesets.
>
> Signed-off-by: Lai Jiangshan <laijs at cn.fujitsu.com>
> ---
> src/qemu/qemu_driver.c | 51 ++++++++++++++++++++++++++++++++++++++++++
> src/qemu/qemu_monitor.c | 37 ++++++++++++++++++++++++++++++
> src/qemu/qemu_monitor.h | 6 +++++
> src/qemu/qemu_monitor_json.c | 15 ++++++++++++
> src/qemu/qemu_monitor_json.h | 5 ++++
> src/qemu/qemu_monitor_text.c | 49 ++++++++++++++++++++++++++++++++++++++++
> src/qemu/qemu_monitor_text.h | 5 ++++
> 7 files changed, 168 insertions(+), 0 deletions(-)
>
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index 01587e8..994d7bd 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -1761,6 +1761,56 @@ cleanup:
> return ret;
> }
>
> +static int qemuDomainSendKey(virDomainPtr domain,
> + unsigned int codeset,
> + unsigned int holdtime,
> + unsigned int *keycodes,
> + int nkeycodes,
> + unsigned int flags)
> +{
> + struct qemud_driver *driver = domain->conn->privateData;
> + virDomainObjPtr vm = NULL;
> + int ret = -1;
> + qemuDomainObjPrivatePtr priv;
> +
> + virCheckFlags(0, -1);
> +
> + qemuDriverLock(driver);
> + vm = virDomainFindByUUID(&driver->domains, domain->uuid);
> + if (!vm) {
> + char uuidstr[VIR_UUID_STRING_BUFLEN];
> + virUUIDFormat(domain->uuid, uuidstr);
> + qemuReportError(VIR_ERR_NO_DOMAIN,
> + _("no domain with matching uuid '%s'"), uuidstr);
> + goto cleanup;
> + }
> +
> + priv = vm->privateData;
> +
> + if (qemuDomainObjBeginJobWithDriver(driver, vm) < 0)
> + goto cleanup;
> +
> + if (!virDomainObjIsActive(vm)) {
> + qemuReportError(VIR_ERR_OPERATION_INVALID,
> + "%s", _("domain is not running"));
> + goto cleanup;
> + }
> +
> + qemuDomainObjEnterMonitorWithDriver(driver, vm);
> + ret = qemuMonitorSendKey(priv->mon, codeset, holdtime, keycodes, nkeycodes);
> + qemuDomainObjExitMonitorWithDriver(driver, vm);
> + if (qemuDomainObjEndJob(vm) == 0) {
> + vm = NULL;
> + goto cleanup;
> + }
> +
> +cleanup:
> + if (vm)
> + virDomainObjUnlock(vm);
> + qemuDriverUnlock(driver);
> + return ret;
> +}
> +
> static int qemudDomainGetInfo(virDomainPtr dom,
> virDomainInfoPtr info)
> {
> @@ -8436,6 +8486,7 @@ static virDriver qemuDriver = {
> .domainMigratePerform3 = qemuDomainMigratePerform3, /* 0.9.2 */
> .domainMigrateFinish3 = qemuDomainMigrateFinish3, /* 0.9.2 */
> .domainMigrateConfirm3 = qemuDomainMigrateConfirm3, /* 0.9.2 */
> + .domainSendKey = qemuDomainSendKey, /* 0.9.3 */
> .domainBlockPull = qemuDomainBlockPull, /* 0.9.3 */
> .domainBlockPullAll = qemuDomainBlockPullAll, /* 0.9.3 */
> .domainBlockPullAbort = qemuDomainBlockPullAbort, /* 0.9.3 */
> diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
> index 89a3f64..e14703b 100644
> --- a/src/qemu/qemu_monitor.c
> +++ b/src/qemu/qemu_monitor.c
> @@ -36,6 +36,7 @@
> #include "memory.h"
> #include "logging.h"
> #include "files.h"
> +#include "virtkey.h"
>
> #define VIR_FROM_THIS VIR_FROM_QEMU
>
> @@ -2369,6 +2370,42 @@ int qemuMonitorInjectNMI(qemuMonitorPtr mon)
> return ret;
> }
>
> +int qemuMonitorSendKey(qemuMonitorPtr mon,
> + unsigned int codeset,
> + unsigned int holdtime,
> + unsigned int *keycodes,
> + unsigned int nkeycodes)
Remove the 'codeset' here and require the caller to
always pass in XT keycodes, and have the caller do
the translation
> +{
> + int ret;
> +
> + VIR_DEBUG("mon=%p, codeset=%s(%u), holdtime=%u, nkeycodes=%u",
> + mon, virKeycodeSetName(codeset), codeset, holdtime, nkeycodes);
> +
> + if (codeset != VIR_KEYCODE_SET_XT_KBD) {
> + int i;
> + int keycode;
> +
> + for (i = 0; i < nkeycodes; i++) {
> + keycode = virTranslateKeyCode(codeset, VIR_KEYCODE_SET_XT_KBD,
> + keycodes[i]);
> + if (keycode < 0) {
> + qemuReportError(VIR_ERR_INTERNAL_ERROR, "can not translate "
> + "keycode %u of %s codeset to xt_kbd codeset "
> + "keycode", keycodes[i],
> + virKeycodeSetName(codeset));
> + return -1;
> + }
> + keycodes[i] = keycode;
> + }
> + }
I think this code should be in the qemuDomainSendKey(). We
like to keep the qemuMonitorXXX() methods to only contain
code that is directly related to using the QEMU monitor.
> +
> + if (mon->json)
> + ret = qemuMonitorJSONSendKey(mon, holdtime, keycodes, nkeycodes);
> + else
> + ret = qemuMonitorTextSendKey(mon, holdtime, keycodes, nkeycodes);
> + return ret;
> +}
> +
> int qemuMonitorScreendump(qemuMonitorPtr mon,
> const char *file)
> {
Regards,
Daniel
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