Re: [libvirt] for testing the new qemu specific regiater API

From: ShaoHe Feng <shaohef(a)linux.vnet.ibm.com&gt; this patch is just used to the new register API add two command, register-event and deregister-event in virsh in order to test the new API. there will come an "RESUME" events when qemu domains are started. virish starts a qemu domain and to catch "RESUME" event. virsh# register-event RESUME virsh# start domain

+void printRegistEvent(virConnectPtr conn, + virDomainPtr dom, + const char *eventName, /* The JSON event name */ + const char *eventArgs, /* The JSON string of args */ + void *opaque){ + char *uriName = virConnectGetURI (conn); + fputc('\n', stdout); + if (uriName != NULL) + fprintf(stdout, "connect URI: %s, ",uriName); + + if (dom != NULL) + fprintf(stdout, "dom: %s(%d) receive an event:\n", dom->name, dom->id); + + if (eventName != NULL) + fprintf(stdout, "{ event: %s", eventName); + if (eventArgs != NULL) + fprintf(stdout, ", data: %s }\n", eventArgs); + else + fprintf(stdout, " }\n"); + fprintf(stdout, "----------------------------------------------"); + fputc('\n', stdout); +}

+ +static bool +cmdRegisterEvent(vshControl *ctl, const vshCmd *cmd) +{ + const char *name = NULL; + virDomainPtr dom; + bool ret = false; + int eventID = -1; + + if (!vshConnectionUsability(ctl, ctl->conn)) + return false; + + if (vshCommandOptString(cmd, "event", &name) < 0) { + vshError(ctl, "%s", _("Please specify valid event name")); + return false; + } + + dom = NULL; + eventID = virConnectDomainQemuEventRegister(ctl->conn, dom, name, printRegistEvent, NULL, NULL); + if (eventID < 0) { + fprintf(stdout, "%s event register error.\n", name); + return false; + } + fprintf(stdout, "%s event call back ID is %d, you can use it to deregister the event.\n", name, eventID); + ret = true; + cleanup: + return ret; +}

@@ -15363,6 +15467,8 @@ static const vshCmdDef domManagementCmds[] = { {"vcpupin", cmdVcpuPin, opts_vcpupin, info_vcpupin, 0}, {"version", cmdVersion, opts_version, info_version, 0}, {"vncdisplay", cmdVNCDisplay, opts_vncdisplay, info_vncdisplay, 0}, + {"register-event", cmdRegisterEvent, opts_regevent, info_regevent, 0}, + {"deregister-event", cmdDeregisterEvent, opts_deregevent, info_deregevent, 0}, {NULL, NULL, NULL, NULL, 0}