Standardize debugging messages in QEMU monitor code

* src/qemu/qemu_monitor_text.c: Always print command and reply
  in qemuMonitorCommandWithHandler. Print all args in each monitor
  command API & remove redundant relpy printing
This commit is contained in:
Daniel P. Berrange 2009-09-24 15:37:05 +01:00
parent 79f45855a6
commit 46da355022
1 changed files with 81 additions and 22 deletions

View File

@ -242,7 +242,7 @@ qemuMonitorCommandWithHandler(const virDomainObjPtr vm,
qemuMonitorDiscardPendingData(vm);
VIR_DEBUG("Send '%s'", cmd);
VIR_DEBUG("cmd='%s' extraPrompt='%s'", cmd, NULLSTR(extraPrompt));
if (qemuMonitorSend(vm, cmd, scm_fd) < 0)
return -1;
@ -282,6 +282,7 @@ qemuMonitorCommandWithHandler(const virDomainObjPtr vm,
(foundPrompt = strstr(buf, extraPrompt)) != NULL) {
char *promptEnd;
DEBUG("prompt='%s' handler=%p", extraPrompt, extraHandler);
if (extraHandler(vm, buf, foundPrompt, handlerData) < 0)
return -1;
/* Discard output so far, necessary to detect whether
@ -320,6 +321,7 @@ qemuMonitorCommandWithHandler(const virDomainObjPtr vm,
}
}
*reply = buf;
DEBUG("reply='%s'", buf);
return 0;
error:
@ -521,11 +523,13 @@ qemuMonitorStartCPUs(virConnectPtr conn,
const virDomainObjPtr vm) {
char *reply;
DEBUG("vm=%p, pid=%d, id=%d, name=%s", vm, vm->pid, vm->def->id, vm->def->name);
if (qemuMonitorCommandWithHandler(vm, "cont", ") is encrypted.",
qemuMonitorSendVolumePassphrase, conn,
-1, &reply) < 0)
return -1;
qemudDebug ("%s: cont reply: %s", vm->def->name, info);
VIR_FREE(reply);
return 0;
}
@ -535,6 +539,8 @@ int
qemuMonitorStopCPUs(const virDomainObjPtr vm) {
char *info;
DEBUG("vm=%p, pid=%d, id=%d, name=%s", vm, vm->pid, vm->def->id, vm->def->name);
if (qemuMonitorCommand(vm, "stop", &info) < 0) {
qemudReportError(NULL, NULL, NULL, VIR_ERR_OPERATION_FAILED,
"%s", _("cannot stop CPU execution"));
@ -548,6 +554,8 @@ qemuMonitorStopCPUs(const virDomainObjPtr vm) {
int qemuMonitorSystemPowerdown(const virDomainObjPtr vm) {
char *info;
DEBUG("vm=%p, pid=%d, id=%d, name=%s", vm, vm->pid, vm->def->id, vm->def->name);
if (qemuMonitorCommand(vm, "system_powerdown", &info) < 0) {
qemudReportError(NULL, NULL, NULL, VIR_ERR_OPERATION_FAILED,
"%s", _("system shutdown operation failed"));
@ -567,6 +575,8 @@ int qemuMonitorGetCPUInfo(const virDomainObjPtr vm,
pid_t *cpupids = NULL;
size_t ncpupids = 0;
DEBUG("vm=%p, pid=%d, id=%d, name=%s", vm, vm->pid, vm->def->id, vm->def->name);
if (qemuMonitorCommand(vm, "info cpus", &qemucpus) < 0) {
qemudReportError(NULL, NULL, NULL, VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot run monitor command to fetch CPU thread info"));
@ -614,6 +624,7 @@ int qemuMonitorGetCPUInfo(const virDomainObjPtr vm,
if (VIR_REALLOC_N(cpupids, ncpupids+1) < 0)
goto error;
DEBUG("vcpu=%d pid=%d", vcpu, tid);
cpupids[ncpupids++] = tid;
lastVcpu = vcpu;
@ -655,13 +666,14 @@ int qemuMonitorGetBalloonInfo(const virDomainObjPtr vm,
int ret = -1;
char *offset;
DEBUG("vm=%p, pid=%d, id=%d, name=%s", vm, vm->pid, vm->def->id, vm->def->name);
if (qemuMonitorCommand(vm, "info balloon", &reply) < 0) {
qemudReportError(NULL, NULL, NULL, VIR_ERR_OPERATION_FAILED,
"%s", _("could not query memory balloon allocation"));
return -1;
}
DEBUG ("%s: balloon reply: '%s'", vm->def->name, reply);
if ((offset = strstr(reply, BALLOON_PREFIX)) != NULL) {
unsigned int memMB;
char *end;
@ -700,12 +712,14 @@ int qemuMonitorGetBlockStatsInfo(const virDomainObjPtr vm,
const char *p, *eol;
int devnamelen = strlen(devname);
DEBUG("vm=%p, pid=%d, id=%d, name=%s dev=%s",
vm, vm->pid, vm->def->id, vm->def->name, devname);
if (qemuMonitorCommand (vm, "info blockstats", &info) < 0) {
qemudReportError (NULL, NULL, NULL, VIR_ERR_OPERATION_FAILED,
"%s", _("'info blockstats' command failed"));
goto cleanup;
}
DEBUG ("%s: info blockstats reply: %s", vm->def->name, info);
/* If the command isn't supported then qemu prints the supported
* info commands, so the output starts "info ". Since this is
@ -795,6 +809,9 @@ int qemuMonitorSetVNCPassword(const virDomainObjPtr vm,
const char *password)
{
char *info = NULL;
DEBUG("vm=%p, pid=%d, id=%d, name=%s", vm, vm->pid, vm->def->id, vm->def->name);
if (qemuMonitorCommandExtra(vm, "change vnc password",
password,
QEMU_PASSWD_PROMPT,
@ -818,6 +835,9 @@ int qemuMonitorSetBalloon(const virDomainObjPtr vm,
char *reply = NULL;
int ret = -1;
DEBUG("vm=%p, pid=%d, id=%d, name=%s newmem=%lu",
vm, vm->pid, vm->def->id, vm->def->name, newmem);
/*
* 'newmem' is in KB, QEMU monitor works in MB, and we all wish
* we just worked in bytes with unsigned long long everywhere.
@ -837,7 +857,6 @@ int qemuMonitorSetBalloon(const virDomainObjPtr vm,
/* If the command failed qemu prints: 'unknown command'
* No message is printed on success it seems */
DEBUG ("%s: balloon reply: %s", vm->def->name, reply);
if (strstr(reply, "\nunknown command:")) {
/* Don't set error - it is expected memory balloon fails on many qemu */
ret = 0;
@ -856,6 +875,9 @@ int qemuMonitorEjectMedia(const virDomainObjPtr vm,
char *reply = NULL;
int ret = -1;
DEBUG("vm=%p, pid=%d, id=%d, name=%s devname=%s",
vm, vm->pid, vm->def->id, vm->def->name, devname);
if (virAsprintf(&cmd, "eject %s", devname) < 0) {
virReportOOMError(NULL);
goto cleanup;
@ -870,7 +892,6 @@ int qemuMonitorEjectMedia(const virDomainObjPtr vm,
/* If the command failed qemu prints:
* device not found, device is locked ...
* No message is printed on success it seems */
DEBUG ("%s: ejectable media change reply: %s", vm->def->name, reply);
if (strstr(reply, "\ndevice ")) {
qemudReportError(NULL, NULL, NULL, VIR_ERR_OPERATION_FAILED,
_("could not eject media on %s: %s"), devname, reply);
@ -895,6 +916,9 @@ int qemuMonitorChangeMedia(const virDomainObjPtr vm,
char *safepath = NULL;
int ret = -1;
DEBUG("vm=%p, pid=%d, id=%d, name=%s devname=%s newmedia=%s",
vm, vm->pid, vm->def->id, vm->def->name, devname, newmedia);
if (!(safepath = qemuMonitorEscapeArg(newmedia))) {
virReportOOMError(NULL);
goto cleanup;
@ -914,7 +938,6 @@ int qemuMonitorChangeMedia(const virDomainObjPtr vm,
/* If the command failed qemu prints:
* device not found, device is locked ...
* No message is printed on success it seems */
DEBUG ("%s: ejectable media change reply: %s", vm->def->name, reply);
if (strstr(reply, "\ndevice ")) {
qemudReportError(NULL, NULL, NULL, VIR_ERR_OPERATION_FAILED,
_("could not eject media on %s: %s"), devname, reply);
@ -974,6 +997,9 @@ int qemuMonitorSaveVirtualMemory(const virDomainObjPtr vm,
size_t length,
const char *path)
{
DEBUG("vm=%p, pid=%d, id=%d, name=%s offset=%llu length=%zu path=%s",
vm, vm->pid, vm->def->id, vm->def->name, offset, length, path);
return qemuMonitorSaveMemory(vm, "memsave", offset, length, path);
}
@ -982,6 +1008,9 @@ int qemuMonitorSavePhysicalMemory(const virDomainObjPtr vm,
size_t length,
const char *path)
{
DEBUG("vm=%p, pid=%d, id=%d, name=%s offset=%llu length=%zu path=%s",
vm, vm->pid, vm->def->id, vm->def->name, offset, length, path);
return qemuMonitorSaveMemory(vm, "pmemsave", offset, length, path);
}
@ -993,6 +1022,9 @@ int qemuMonitorSetMigrationSpeed(const virDomainObjPtr vm,
char *info = NULL;
int ret = -1;
DEBUG("vm=%p, pid=%d, id=%d, name=%s bandwidth=%lu",
vm, vm->pid, vm->def->id, vm->def->name, bandwidth);
if (virAsprintf(&cmd, "migrate_set_speed %lum", bandwidth) < 0) {
virReportOOMError(NULL);
goto cleanup;
@ -1004,7 +1036,6 @@ int qemuMonitorSetMigrationSpeed(const virDomainObjPtr vm,
goto cleanup;
}
DEBUG("%s: migrate_set_speed reply: %s", vm->def->name, info);
ret = 0;
cleanup:
@ -1034,6 +1065,8 @@ int qemuMonitorGetMigrationStatus(const virDomainObjPtr vm,
char *end;
int ret = -1;
DEBUG("vm=%p, pid=%d, id=%d, name=%s", vm, vm->pid, vm->def->id, vm->def->name);
*status = QEMU_MONITOR_MIGRATION_STATUS_INACTIVE;
*transferred = 0;
*remaining = 0;
@ -1128,8 +1161,6 @@ static int qemuMonitorMigrate(const virDomainObjPtr vm,
goto cleanup;
}
DEBUG ("%s: migrate reply: %s", vm->def->name, info);
/* Now check for "fail" in the output string */
if (strstr(info, "fail") != NULL) {
qemudReportError(NULL, NULL, NULL, VIR_ERR_OPERATION_FAILED,
@ -1161,6 +1192,9 @@ int qemuMonitorMigrateToHost(const virDomainObjPtr vm,
char *uri = NULL;
int ret;
DEBUG("vm=%p, pid=%d, id=%d, name=%s hostname=%s port=%d",
vm, vm->pid, vm->def->id, vm->def->name, hostname, port);
if (virAsprintf(&uri, "tcp:%s:%d", hostname, port) < 0) {
virReportOOMError(NULL);
return -1;
@ -1183,6 +1217,9 @@ int qemuMonitorMigrateToCommand(const virDomainObjPtr vm,
int ret = -1;
char *safe_target = NULL;
DEBUG("vm=%p, pid=%d, id=%d, name=%s argv=%p target=%s",
vm, vm->pid, vm->def->id, vm->def->name, argv, target);
argstr = virArgvToString(argv);
if (!argstr) {
virReportOOMError(NULL);
@ -1219,6 +1256,9 @@ int qemuMonitorAddUSBDisk(const virDomainObjPtr vm,
int ret = -1;
char *info = NULL;
DEBUG("vm=%p, pid=%d, id=%d, name=%s path=%s",
vm, vm->pid, vm->def->id, vm->def->name, path);
safepath = qemuMonitorEscapeArg(path);
if (!safepath) {
virReportOOMError(NULL);
@ -1236,7 +1276,6 @@ int qemuMonitorAddUSBDisk(const virDomainObjPtr vm,
goto cleanup;
}
DEBUG ("%s: usb_add reply: %s", vm->def->name, info);
/* If the command failed qemu prints:
* Could not add ... */
if (strstr(info, "Could not add ")) {
@ -1272,7 +1311,6 @@ static int qemuMonitorAddUSBDevice(const virDomainObjPtr vm,
goto cleanup;
}
DEBUG ("%s: attach_usb reply: %s", vm->def->name, reply);
/* If the command failed qemu prints:
* Could not add ... */
if (strstr(reply, "Could not add ")) {
@ -1297,6 +1335,9 @@ int qemuMonitorAddUSBDeviceExact(const virDomainObjPtr vm,
int ret;
char *addr;
DEBUG("vm=%p, pid=%d, id=%d, name=%s bus=%d dev=%d",
vm, vm->pid, vm->def->id, vm->def->name, bus, dev);
if (virAsprintf(&addr, "host:%.3d.%.3d", bus, dev) < 0) {
virReportOOMError(NULL);
return -1;
@ -1315,6 +1356,9 @@ int qemuMonitorAddUSBDeviceMatch(const virDomainObjPtr vm,
int ret;
char *addr;
DEBUG("vm=%p, pid=%d, id=%d, name=%s vendor=%d product=%d",
vm, vm->pid, vm->def->id, vm->def->name, vendor, product);
if (virAsprintf(&addr, "host:%.4x:%.4x", vendor, product) < 0) {
virReportOOMError(NULL);
return -1;
@ -1408,6 +1452,10 @@ int qemuMonitorAddPCIHostDevice(const virDomainObjPtr vm,
char *reply = NULL;
int ret = -1;
DEBUG("vm=%p, pid=%d, id=%d, name=%s domain=%d bus=%d slot=%d function=%d",
vm, vm->pid, vm->def->id, vm->def->name,
hostDomain, hostBus, hostSlot, hostFunction);
*guestDomain = *guestBus = *guestSlot = 0;
/* XXX hostDomain */
@ -1459,6 +1507,9 @@ int qemuMonitorAddPCIDisk(const virDomainObjPtr vm,
int tryOldSyntax = 0;
int ret = -1;
DEBUG("vm=%p, pid=%d, id=%d, name=%s path=%s bus=%s",
vm, vm->pid, vm->def->id, vm->def->name, path, bus);
safe_path = qemuMonitorEscapeArg(path);
if (!safe_path) {
virReportOOMError(NULL);
@ -1512,6 +1563,9 @@ int qemuMonitorAddPCINetwork(const virDomainObjPtr vm,
char *reply = NULL;
int ret = -1;
DEBUG("vm=%p, pid=%d, id=%d, name=%s nicstr=%s",
vm, vm->pid, vm->def->id, vm->def->name, nicstr);
if (virAsprintf(&cmd, "pci_add pci_addr=auto nic %s", nicstr) < 0) {
virReportOOMError(NULL);
return -1;
@ -1549,6 +1603,9 @@ int qemuMonitorRemovePCIDevice(const virDomainObjPtr vm,
int tryOldSyntax = 0;
int ret = -1;
DEBUG("vm=%p, pid=%d, id=%d, name=%s domain=%d bus=%d slot=%d",
vm, vm->pid, vm->def->id, vm->def->name, guestDomain, guestBus, guestSlot);
try_command:
if (tryOldSyntax) {
if (virAsprintf(&cmd, "pci_del 0 %.2x", guestSlot) < 0) {
@ -1569,8 +1626,6 @@ try_command:
goto cleanup;
}
DEBUG ("%s: pci_del reply: %s",vm->def->name, reply);
/* Syntax changed when KVM merged PCI hotplug upstream to QEMU,
* so check for an error message from old KVM indicating the
* need to try the old syntax */
@ -1608,6 +1663,9 @@ int qemuMonitorSendFileHandle(const virDomainObjPtr vm,
char *reply = NULL;
int ret = -1;
DEBUG("vm=%p, pid=%d, id=%d, name=%s fdname=%s fd=%d",
vm, vm->pid, vm->def->id, vm->def->name, fdname, fd);
if (virAsprintf(&cmd, "getfd %s", fdname) < 0) {
virReportOOMError(NULL);
return -1;
@ -1619,8 +1677,6 @@ int qemuMonitorSendFileHandle(const virDomainObjPtr vm,
goto cleanup;
}
DEBUG("%s: getfd reply: %s", vm->def->name, reply);
/* If the command isn't supported then qemu prints:
* unknown command: getfd" */
if (strstr(reply, "unknown command:")) {
@ -1646,6 +1702,9 @@ int qemuMonitorCloseFileHandle(const virDomainObjPtr vm,
char *reply = NULL;
int ret = -1;
DEBUG("vm=%p, pid=%d, id=%d, name=%s fdname=%s",
vm, vm->pid, vm->def->id, vm->def->name, fdname);
if (virAsprintf(&cmd, "closefd %s", fdname) < 0) {
virReportOOMError(NULL);
return -1;
@ -1657,8 +1716,6 @@ int qemuMonitorCloseFileHandle(const virDomainObjPtr vm,
goto cleanup;
}
DEBUG("%s: closefd reply: %s", vm->def->name, reply);
/* If the command isn't supported then qemu prints:
* unknown command: getfd" */
if (strstr(reply, "unknown command:")) {
@ -1684,6 +1741,9 @@ int qemuMonitorAddHostNetwork(const virDomainObjPtr vm,
char *reply = NULL;
int ret = -1;
DEBUG("vm=%p, pid=%d, id=%d, name=%s netstr=%s",
vm, vm->pid, vm->def->id, vm->def->name, netstr);
if (virAsprintf(&cmd, "host_net_add %s", netstr) < 0) {
virReportOOMError(NULL);
return -1;
@ -1695,8 +1755,6 @@ int qemuMonitorAddHostNetwork(const virDomainObjPtr vm,
goto cleanup;
}
DEBUG("%s: host_net_add reply: %s", vm->def->name, reply);
/* XXX error messages here ? */
ret = 0;
@ -1716,6 +1774,9 @@ int qemuMonitorRemoveHostNetwork(const virDomainObjPtr vm,
char *reply = NULL;
int ret = -1;
DEBUG("vm=%p, pid=%d, id=%d, name=%s netname=%s",
vm, vm->pid, vm->def->id, vm->def->name, netname);
if (virAsprintf(&cmd, "host_net_remove %d %s", vlan, netname) < 0) {
virReportOOMError(NULL);
return -1;
@ -1727,8 +1788,6 @@ int qemuMonitorRemoveHostNetwork(const virDomainObjPtr vm,
goto cleanup;
}
DEBUG("%s: host_net_remove reply: %s", vm->def->name, reply);
/* XXX error messages here ? */
ret = 0;