/*
* qemuAgentFSThaw:
* @mon: Agent
*
* Issue guest-fsfreeze-thaw command to guest agent,
* which unfreezes all mounted file systems and returns
* number of thawed file systems on success.
*
* Returns: number of file system thawed on success,
* -1 on error.
*/
int qemuAgentFSThaw(qemuAgentPtr mon)
{
int ret = -1;
virJSONValuePtr cmd;
virJSONValuePtr reply = NULL;
cmd = qemuAgentMakeCommand("guest-fsfreeze-thaw", NULL);
if (!cmd)
return -1;
if (qemuAgentCommand(mon, cmd, &reply,
VIR_DOMAIN_QEMU_AGENT_COMMAND_BLOCK) < 0 ||
qemuAgentCheckError(cmd, reply) < 0)
goto cleanup;
if (virJSONValueObjectGetNumberInt(reply, "return", &ret) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("malformed return value"));
}
cleanup:
virJSONValueFree(cmd);
virJSONValueFree(reply);
return ret;
}
/**
* Set the VCPU state using guest agent.
*
* Returns -1 on error, ninfo in case everything was successful and less than
* ninfo on a partial failure.
*/
int
qemuAgentSetVCPUs(qemuAgentPtr mon,
qemuAgentCPUInfoPtr info,
size_t ninfo)
{
int ret = -1;
virJSONValuePtr cmd = NULL;
virJSONValuePtr reply = NULL;
virJSONValuePtr cpus = NULL;
virJSONValuePtr cpu = NULL;
size_t i;
/* create the key data array */
if (!(cpus = virJSONValueNewArray()))
goto cleanup;
for (i = 0; i < ninfo; i++) {
qemuAgentCPUInfoPtr in = &info[i];
/* create single cpu object */
if (!(cpu = virJSONValueNewObject()))
goto cleanup;
if (virJSONValueObjectAppendNumberInt(cpu, "logical-id", in->id) < 0)
goto cleanup;
if (virJSONValueObjectAppendBoolean(cpu, "online", in->online) < 0)
goto cleanup;
if (virJSONValueArrayAppend(cpus, cpu) < 0)
goto cleanup;
cpu = NULL;
}
if (!(cmd = qemuAgentMakeCommand("guest-set-vcpus",
"a:vcpus", cpus,
NULL)))
goto cleanup;
cpus = NULL;
if (qemuAgentCommand(mon, cmd, &reply, true,
VIR_DOMAIN_QEMU_AGENT_COMMAND_BLOCK) < 0)
goto cleanup;
if (virJSONValueObjectGetNumberInt(reply, "return", &ret) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("malformed return value"));
}
cleanup:
virJSONValueFree(cmd);
virJSONValueFree(reply);
virJSONValueFree(cpu);
virJSONValueFree(cpus);
return ret;
}
static virLogHandlerLogFilePtr
virLogHandlerLogFilePostExecRestart(virLogHandlerPtr handler,
virJSONValuePtr object)
{
virLogHandlerLogFilePtr file;
const char *path;
if (VIR_ALLOC(file) < 0)
return NULL;
handler->inhibitor(true, handler->opaque);
if ((path = virJSONValueObjectGetString(object, "path")) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing file path in JSON document"));
goto error;
}
if ((file->file = virRotatingFileWriterNew(path,
DEFAULT_FILE_SIZE,
DEFAULT_MAX_BACKUP,
false,
DEFAULT_MODE)) == NULL)
goto error;
if (virJSONValueObjectGetNumberInt(object, "pipefd", &file->pipefd) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing file pipefd in JSON document"));
goto error;
}
if (virSetInherit(file->pipefd, false) < 0) {
virReportSystemError(errno, "%s",
_("Cannot enable close-on-exec flag"));
goto error;
}
return file;
error:
handler->inhibitor(false, handler->opaque);
virLogHandlerLogFileFree(file);
return NULL;
}
/*
* qemuAgentFSFreeze:
* @mon: Agent
* @mountpoints: Array of mountpoint paths to be frozen, or NULL for all
* @nmountpoints: Number of mountpoints to be frozen, or 0 for all
*
* Issue guest-fsfreeze-freeze command to guest agent,
* which freezes file systems mounted on specified mountpoints
* (or all file systems when @mountpoints is NULL), and returns
* number of frozen file systems on success.
*
* Returns: number of file system frozen on success,
* -1 on error.
*/
int qemuAgentFSFreeze(qemuAgentPtr mon, const char **mountpoints,
unsigned int nmountpoints)
{
int ret = -1;
virJSONValuePtr cmd, arg = NULL;
virJSONValuePtr reply = NULL;
if (mountpoints && nmountpoints) {
arg = qemuAgentMakeStringsArray(mountpoints, nmountpoints);
if (!arg)
return -1;
cmd = qemuAgentMakeCommand("guest-fsfreeze-freeze-list",
"a:mountpoints", arg, NULL);
} else {
cmd = qemuAgentMakeCommand("guest-fsfreeze-freeze", NULL);
}
if (!cmd)
goto cleanup;
arg = NULL;
if (qemuAgentCommand(mon, cmd, &reply, true,
VIR_DOMAIN_QEMU_AGENT_COMMAND_BLOCK) < 0)
goto cleanup;
if (virJSONValueObjectGetNumberInt(reply, "return", &ret) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("malformed return value"));
}
cleanup:
virJSONValueFree(arg);
virJSONValueFree(cmd);
virJSONValueFree(reply);
return ret;
}
static int
testJSONLookup(const void *data)
{
const struct testInfo *info = data;
virJSONValuePtr json;
virJSONValuePtr value = NULL;
char *result = NULL;
int rc;
int number;
const char *str;
int ret = -1;
json = virJSONValueFromString(info->doc);
if (!json) {
VIR_TEST_VERBOSE("Fail to parse %s\n", info->doc);
ret = -1;
goto cleanup;
}
value = virJSONValueObjectGetObject(json, "a");
if (value) {
if (!info->pass) {
VIR_TEST_VERBOSE("lookup for 'a' in '%s' should have failed\n",
info->doc);
goto cleanup;
} else {
result = virJSONValueToString(value, false);
if (STRNEQ_NULLABLE(result, "{}")) {
VIR_TEST_VERBOSE("lookup for 'a' in '%s' found '%s' but "
"should have found '{}'\n",
info->doc, NULLSTR(result));
goto cleanup;
}
VIR_FREE(result);
}
} else if (info->pass) {
VIR_TEST_VERBOSE("lookup for 'a' in '%s' should have succeeded\n",
info->doc);
goto cleanup;
}
number = 2;
rc = virJSONValueObjectGetNumberInt(json, "b", &number);
if (rc == 0) {
if (!info->pass) {
VIR_TEST_VERBOSE("lookup for 'b' in '%s' should have failed\n",
info->doc);
goto cleanup;
} else if (number != 1) {
VIR_TEST_VERBOSE("lookup for 'b' in '%s' found %d but "
"should have found 1\n",
info->doc, number);
goto cleanup;
}
} else if (info->pass) {
VIR_TEST_VERBOSE("lookup for 'b' in '%s' should have succeeded\n",
info->doc);
goto cleanup;
}
str = virJSONValueObjectGetString(json, "c");
if (str) {
if (!info->pass) {
VIR_TEST_VERBOSE("lookup for 'c' in '%s' should have failed\n",
info->doc);
goto cleanup;
} else if (STRNEQ(str, "str")) {
VIR_TEST_VERBOSE("lookup for 'c' in '%s' found '%s' but "
"should have found 'str'\n", info->doc, str);
goto cleanup;
}
} else if (info->pass) {
VIR_TEST_VERBOSE("lookup for 'c' in '%s' should have succeeded\n",
info->doc);
goto cleanup;
}
value = virJSONValueObjectGetArray(json, "d");
if (value) {
if (!info->pass) {
VIR_TEST_VERBOSE("lookup for 'd' in '%s' should have failed\n",
info->doc);
goto cleanup;
} else {
result = virJSONValueToString(value, false);
if (STRNEQ_NULLABLE(result, "[]")) {
VIR_TEST_VERBOSE("lookup for 'd' in '%s' found '%s' but "
"should have found '[]'\n",
info->doc, NULLSTR(result));
goto cleanup;
}
VIR_FREE(result);
}
} else if (info->pass) {
VIR_TEST_VERBOSE("lookup for 'd' in '%s' should have succeeded\n",
info->doc);
goto cleanup;
}
ret = 0;
cleanup:
virJSONValueFree(json);
VIR_FREE(result);
return ret;
}
virNetServerClientPtr virNetServerClientNewPostExecRestart(virJSONValuePtr object,
virNetServerClientPrivNewPostExecRestart privNew,
virNetServerClientPrivPreExecRestart privPreExecRestart,
virFreeCallback privFree,
void *privOpaque)
{
virJSONValuePtr child;
virNetServerClientPtr client = NULL;
virNetSocketPtr sock;
int auth;
bool readonly;
unsigned int nrequests_max;
if (virJSONValueObjectGetNumberInt(object, "auth", &auth) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing auth field in JSON state document"));
return NULL;
}
if (virJSONValueObjectGetBoolean(object, "readonly", &readonly) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing readonly field in JSON state document"));
return NULL;
}
if (virJSONValueObjectGetNumberUint(object, "nrequests_max",
(unsigned int *)&nrequests_max) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing nrequests_client_max field in JSON state document"));
return NULL;
}
if (!(child = virJSONValueObjectGet(object, "sock"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing sock field in JSON state document"));
return NULL;
}
if (!(sock = virNetSocketNewPostExecRestart(child))) {
virObjectUnref(sock);
return NULL;
}
if (!(client = virNetServerClientNewInternal(sock,
auth,
#ifdef WITH_GNUTLS
NULL,
#endif
readonly,
nrequests_max))) {
virObjectUnref(sock);
return NULL;
}
virObjectUnref(sock);
if (privNew) {
if (!(child = virJSONValueObjectGet(object, "privateData"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing privateData field in JSON state document"));
goto error;
}
if (!(client->privateData = privNew(client, child, privOpaque)))
goto error;
client->privateDataFreeFunc = privFree;
client->privateDataPreExecRestart = privPreExecRestart;
}
return client;
error:
virObjectUnref(client);
return NULL;
}
virNetServerClientPtr virNetServerClientNewPostExecRestart(virJSONValuePtr object,
virNetServerClientPrivNewPostExecRestart privNew,
virNetServerClientPrivPreExecRestart privPreExecRestart,
virFreeCallback privFree,
void *privOpaque,
void *opaque)
{
virJSONValuePtr child;
virNetServerClientPtr client = NULL;
virNetSocketPtr sock;
int auth;
bool readonly;
unsigned int nrequests_max;
unsigned long long id;
long long timestamp;
if (virJSONValueObjectGetNumberInt(object, "auth", &auth) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing auth field in JSON state document"));
return NULL;
}
if (virJSONValueObjectGetBoolean(object, "readonly", &readonly) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing readonly field in JSON state document"));
return NULL;
}
if (virJSONValueObjectGetNumberUint(object, "nrequests_max",
&nrequests_max) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing nrequests_client_max field in JSON state document"));
return NULL;
}
if (!(child = virJSONValueObjectGet(object, "sock"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing sock field in JSON state document"));
return NULL;
}
if (!virJSONValueObjectHasKey(object, "id")) {
/* no ID found in, a new one must be generated */
id = virNetServerNextClientID((virNetServerPtr) opaque);
} else {
if (virJSONValueObjectGetNumberUlong(object, "id", &id) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Malformed id field in JSON state document"));
return NULL;
}
}
if (!virJSONValueObjectHasKey(object, "conn_time")) {
timestamp = 0;
} else {
if (virJSONValueObjectGetNumberLong(object, "conn_time", ×tamp) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Malformed conn_time field in JSON "
"state document"));
return NULL;
}
}
if (!(sock = virNetSocketNewPostExecRestart(child))) {
virObjectUnref(sock);
return NULL;
}
if (!(client = virNetServerClientNewInternal(id,
sock,
auth,
#ifdef WITH_GNUTLS
NULL,
#endif
readonly,
nrequests_max,
timestamp))) {
virObjectUnref(sock);
return NULL;
}
virObjectUnref(sock);
if (privNew) {
if (!(child = virJSONValueObjectGet(object, "privateData"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing privateData field in JSON state document"));
goto error;
}
if (!(client->privateData = privNew(client, child, privOpaque)))
goto error;
client->privateDataFreeFunc = privFree;
client->privateDataPreExecRestart = privPreExecRestart;
}
return client;
error:
virObjectUnref(client);
return NULL;
}
virNetServerClientPtr virNetServerClientNewPostExecRestart(virNetServerPtr srv,
virJSONValuePtr object,
virNetServerClientPrivNewPostExecRestart privNew,
virNetServerClientPrivPreExecRestart privPreExecRestart,
virFreeCallback privFree,
void *privOpaque)
{
virJSONValuePtr child;
virNetServerClientPtr client = NULL;
virNetSocketPtr sock;
int auth;
bool readonly, auth_pending;
unsigned int nrequests_max;
unsigned long long id;
long long timestamp;
if (virJSONValueObjectGetNumberInt(object, "auth", &auth) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing auth field in JSON state document"));
return NULL;
}
if (!virJSONValueObjectHasKey(object, "auth_pending")) {
auth_pending = !virNetServerClientAuthMethodImpliesAuthenticated(auth);
} else {
if (virJSONValueObjectGetBoolean(object, "auth_pending", &auth_pending) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Malformed auth_pending field in JSON state document"));
return NULL;
}
/* If the used authentication method implies that the new
* client is automatically authenticated, the authentication
* cannot be pending */
if (auth_pending && virNetServerClientAuthMethodImpliesAuthenticated(auth)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Invalid auth_pending and auth combination in JSON state document"));
return NULL;
}
}
if (virJSONValueObjectGetBoolean(object, "readonly", &readonly) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing readonly field in JSON state document"));
return NULL;
}
if (virJSONValueObjectGetNumberUint(object, "nrequests_max",
&nrequests_max) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing nrequests_client_max field in JSON state document"));
return NULL;
}
if (!(child = virJSONValueObjectGet(object, "sock"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing sock field in JSON state document"));
return NULL;
}
if (!virJSONValueObjectHasKey(object, "id")) {
/* no ID found in, a new one must be generated */
id = virNetServerNextClientID(srv);
} else {
if (virJSONValueObjectGetNumberUlong(object, "id", &id) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Malformed id field in JSON state document"));
return NULL;
}
}
if (!virJSONValueObjectHasKey(object, "conn_time")) {
timestamp = 0;
} else {
if (virJSONValueObjectGetNumberLong(object, "conn_time", ×tamp) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Malformed conn_time field in JSON "
"state document"));
return NULL;
}
}
if (!(sock = virNetSocketNewPostExecRestart(child))) {
virObjectUnref(sock);
return NULL;
}
if (!(client = virNetServerClientNewInternal(id,
sock,
auth,
auth_pending,
NULL,
readonly,
nrequests_max,
timestamp))) {
virObjectUnref(sock);
return NULL;
}
virObjectUnref(sock);
if (!(child = virJSONValueObjectGet(object, "privateData"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing privateData field in JSON state document"));
goto error;
}
if (!(client->privateData = privNew(client, child, privOpaque)))
goto error;
client->privateDataFreeFunc = privFree;
client->privateDataPreExecRestart = privPreExecRestart;
return client;
error:
virObjectUnref(client);
return NULL;
}