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Hook up JSON monitor to emit basic lifecycle events

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* src/qemu/qemu_monitor_json.c: Hook up reset, shutdown,
  poweroff and stop events
This commit is contained in:
Daniel P. Berrange 2009-11-26 13:06:24 +00:00
parent 89832303d7
commit 421d995005
1 changed files with 66 additions and 3 deletions
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69
src/qemu/qemu_monitor_json.c
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@ -45,8 +45,51 @@
#define LINE_ENDING "\r\n"
static void qemuMonitorJSONHandleShutdown(qemuMonitorPtr mon, virJSONValuePtr data);
static void qemuMonitorJSONHandleReset(qemuMonitorPtr mon, virJSONValuePtr data);
static void qemuMonitorJSONHandlePowerdown(qemuMonitorPtr mon, virJSONValuePtr data);
static void qemuMonitorJSONHandleStop(qemuMonitorPtr mon, virJSONValuePtr data);
struct {
const char *type;
void (*handler)(qemuMonitorPtr mon, virJSONValuePtr data);
} eventHandlers[] = {
{ "SHUTDOWN", qemuMonitorJSONHandleShutdown, },
{ "RESET", qemuMonitorJSONHandleReset, },
{ "POWERDOWN", qemuMonitorJSONHandlePowerdown, },
{ "STOP", qemuMonitorJSONHandleStop, },
};
static int
qemuMonitorJSONIOProcessLine(qemuMonitorPtr mon ATTRIBUTE_UNUSED,
qemuMonitorJSONIOProcessEvent(qemuMonitorPtr mon,
virJSONValuePtr obj)
{
char *type;
int i;
VIR_DEBUG("mon=%p obj=%p", mon, obj);
type = virJSONValueObjectGetString(obj, "event");
if (!type) {
VIR_WARN0("missing event type in message");
errno = EINVAL;
return -1;
}
for (i = 0 ; i < ARRAY_CARDINALITY(eventHandlers) ; i++) {
if (STREQ(eventHandlers[i].type, type)) {
virJSONValuePtr data = virJSONValueObjectGet(obj, "data");
VIR_DEBUG("handle %s handler=%p data=%p", type,
eventHandlers[i].handler, data);
(eventHandlers[i].handler)(mon, data);
break;
}
}
return 0;
}
static int
qemuMonitorJSONIOProcessLine(qemuMonitorPtr mon,
const char *line,
qemuMonitorMessagePtr msg)
{
@ -73,8 +116,7 @@ qemuMonitorJSONIOProcessLine(qemuMonitorPtr mon ATTRIBUTE_UNUSED,
}
if (virJSONValueObjectHasKey(obj, "event") == 1) {
VIR_DEBUG0("Got an event");
ret = 0;
ret = qemuMonitorJSONIOProcessEvent(mon, obj);
goto cleanup;
}
@ -413,6 +455,27 @@ error:
}
static void qemuMonitorJSONHandleShutdown(qemuMonitorPtr mon, virJSONValuePtr data ATTRIBUTE_UNUSED)
{
qemuMonitorEmitShutdown(mon);
}
static void qemuMonitorJSONHandleReset(qemuMonitorPtr mon, virJSONValuePtr data ATTRIBUTE_UNUSED)
{
qemuMonitorEmitReset(mon);
}
static void qemuMonitorJSONHandlePowerdown(qemuMonitorPtr mon, virJSONValuePtr data ATTRIBUTE_UNUSED)
{
qemuMonitorEmitPowerdown(mon);
}
static void qemuMonitorJSONHandleStop(qemuMonitorPtr mon, virJSONValuePtr data ATTRIBUTE_UNUSED)
{
qemuMonitorEmitStop(mon);
}
int
qemuMonitorJSONStartCPUs(qemuMonitorPtr mon,
virConnectPtr conn ATTRIBUTE_UNUSED)