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qemu_capabilities: Introduce virQEMUCapsInitQMPMonitor

Browse Source 
This basically covers the talking-to-monitor part of
virQEMUCapsInitQMP.  The patch itself has no real value,
but it creates an entity to be tested in the next patches.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2013-09-19 13:14:25 +02:00
parent a72940f954
commit 64f1e1688d
2 changed files with 83 additions and 64 deletions
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144
src/qemu/qemu_capabilities.c
View File

@ -2493,6 +2493,85 @@ cleanup:
return ret;
}
int
virQEMUCapsInitQMPMonitor(virQEMUCapsPtr qemuCaps,
qemuMonitorPtr mon)
{
int ret = -1;
int major, minor, micro;
char *package = NULL;
/* @mon is supposed to be locked by callee */
if (qemuMonitorSetCapabilities(mon) < 0) {
virErrorPtr err = virGetLastError();
VIR_DEBUG("Failed to set monitor capabilities %s",
err ? err->message : "<unknown problem>");
ret = 0;
goto cleanup;
}
if (qemuMonitorGetVersion(mon,
&major, &minor, &micro,
&package) < 0) {
virErrorPtr err = virGetLastError();
VIR_DEBUG("Failed to query monitor version %s",
err ? err->message : "<unknown problem>");
ret = 0;
goto cleanup;
}
VIR_DEBUG("Got version %d.%d.%d (%s)",
major, minor, micro, NULLSTR(package));
if (major < 1 || (major == 1 && minor < 2)) {
VIR_DEBUG("Not new enough for QMP capabilities detection");
ret = 0;
goto cleanup;
}
qemuCaps->version = major * 1000000 + minor * 1000 + micro;
qemuCaps->usedQMP = true;
virQEMUCapsInitQMPBasic(qemuCaps);
if (virQEMUCapsInitArchQMPBasic(qemuCaps, mon) < 0)
goto cleanup;
/* USB option is supported v1.3.0 onwards */
if (qemuCaps->version >= 1003000)
virQEMUCapsSet(qemuCaps, QEMU_CAPS_MACHINE_USB_OPT);
/* WebSockets were introduced between 1.3.0 and 1.3.1 */
if (qemuCaps->version >= 1003001)
virQEMUCapsSet(qemuCaps, QEMU_CAPS_VNC_WEBSOCKET);
if (qemuCaps->version >= 1006000)
virQEMUCapsSet(qemuCaps, QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
if (virQEMUCapsProbeQMPCommands(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPEvents(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPObjects(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPMachineTypes(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPCPUDefinitions(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPKVMState(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPTPM(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPCommandLine(qemuCaps, mon) < 0)
goto cleanup;
ret = 0;
cleanup:
VIR_FREE(package);
return ret;
}
static int
virQEMUCapsInitQMP(virQEMUCapsPtr qemuCaps,
const char *libDir,
@ -2502,8 +2581,6 @@ virQEMUCapsInitQMP(virQEMUCapsPtr qemuCaps,
int ret = -1;
virCommandPtr cmd = NULL;
qemuMonitorPtr mon = NULL;
int major, minor, micro;
char *package = NULL;
int status = 0;
virDomainChrSourceDef config;
char *monarg = NULL;
@ -2583,67 +2660,7 @@ virQEMUCapsInitQMP(virQEMUCapsPtr qemuCaps,
virObjectLock(mon);
if (qemuMonitorSetCapabilities(mon) < 0) {
virErrorPtr err = virGetLastError();
VIR_DEBUG("Failed to set monitor capabilities %s",
err ? err->message : "<unknown problem>");
ret = 0;
goto cleanup;
}
if (qemuMonitorGetVersion(mon,
&major, &minor, &micro,
&package) < 0) {
virErrorPtr err = virGetLastError();
VIR_DEBUG("Failed to query monitor version %s",
err ? err->message : "<unknown problem>");
ret = 0;
goto cleanup;
}
VIR_DEBUG("Got version %d.%d.%d (%s)",
major, minor, micro, NULLSTR(package));
if (major < 1 || (major == 1 && minor < 2)) {
VIR_DEBUG("Not new enough for QMP capabilities detection");
ret = 0;
goto cleanup;
}
qemuCaps->version = major * 1000000 + minor * 1000 + micro;
qemuCaps->usedQMP = true;
virQEMUCapsInitQMPBasic(qemuCaps);
if (virQEMUCapsInitArchQMPBasic(qemuCaps, mon) < 0)
goto cleanup;
/* USB option is supported v1.3.0 onwards */
if (qemuCaps->version >= 1003000)
virQEMUCapsSet(qemuCaps, QEMU_CAPS_MACHINE_USB_OPT);
/* WebSockets were introduced between 1.3.0 and 1.3.1 */
if (qemuCaps->version >= 1003001)
virQEMUCapsSet(qemuCaps, QEMU_CAPS_VNC_WEBSOCKET);
if (qemuCaps->version >= 1006000)
virQEMUCapsSet(qemuCaps, QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
if (virQEMUCapsProbeQMPCommands(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPEvents(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPObjects(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPMachineTypes(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPCPUDefinitions(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPKVMState(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPTPM(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPCommandLine(qemuCaps, mon) < 0)
if (virQEMUCapsInitQMPMonitor(qemuCaps, mon) < 0)
goto cleanup;
ret = 0;
@ -2656,7 +2673,6 @@ cleanup:
virCommandFree(cmd);
VIR_FREE(monarg);
VIR_FREE(monpath);
VIR_FREE(package);
if (pid != 0) {
char ebuf[1024];

3
src/qemu/qemu_capabilities.h
View File

@ -214,6 +214,9 @@ virQEMUCapsPtr virQEMUCapsNewForBinary(const char *binary,
uid_t runUid,
gid_t runGid);
int virQEMUCapsInitQMPMonitor(virQEMUCapsPtr qemuCaps,
qemuMonitorPtr mon);
int virQEMUCapsProbeQMP(virQEMUCapsPtr qemuCaps,
qemuMonitorPtr mon);