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There are two tests currently that simulate QMP talk: qemucapabilitiestest and qemuhotplugtest. In both cases they check whether currently executed command is the one for which reply was provided. If not an error message is reported. However, the error message contains only the actual command and not the expected one. This makes it harder to navigate through .replies files. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
1477 lines
40 KiB
C
1477 lines
40 KiB
C
/*
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* Copyright (C) 2011-2013 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*/
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#include <config.h>
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#include <time.h>
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#include "testutils.h"
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#include "testutilsqemuschema.h"
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#include "qemumonitortestutils.h"
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#include "virthread.h"
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#define LIBVIRT_QEMU_PROCESSPRIV_H_ALLOW
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#include "qemu/qemu_processpriv.h"
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#include "qemu/qemu_monitor.h"
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#include "qemu/qemu_agent.h"
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#include "qemu/qemu_qapi.h"
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#include "rpc/virnetsocket.h"
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#include "viralloc.h"
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#include "virlog.h"
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#include "virerror.h"
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#include "virstring.h"
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#include "vireventthread.h"
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#define VIR_FROM_THIS VIR_FROM_NONE
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VIR_LOG_INIT("tests.qemumonitortestutils");
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struct _qemuMonitorTestItem {
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char *identifier;
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qemuMonitorTestResponseCallback cb;
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void *opaque;
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virFreeCallback freecb;
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};
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struct _qemuMonitorTest {
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virMutex lock;
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virThread thread;
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bool quit;
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bool running;
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bool started;
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bool allowUnusedCommands;
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bool skipValidationDeprecated;
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bool skipValidationRemoved;
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char *incoming;
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size_t incomingLength;
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size_t incomingCapacity;
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char *outgoing;
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size_t outgoingLength;
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size_t outgoingCapacity;
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virNetSocket *server;
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virNetSocket *client;
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virEventThread *eventThread;
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qemuMonitor *mon;
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qemuAgent *agent;
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char *tmpdir;
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size_t nitems;
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qemuMonitorTestItem **items;
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virDomainObj *vm;
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GHashTable *qapischema;
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};
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static void
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qemuMonitorTestItemFree(qemuMonitorTestItem *item)
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{
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if (!item)
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return;
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g_free(item->identifier);
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if (item->freecb)
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(item->freecb)(item->opaque);
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g_free(item);
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}
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/*
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* Appends data for a reply to the outgoing buffer
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*/
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int
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qemuMonitorTestAddResponse(qemuMonitorTest *test,
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const char *response)
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{
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size_t want = strlen(response) + 2;
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size_t have = test->outgoingCapacity - test->outgoingLength;
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VIR_DEBUG("Adding response to monitor command: '%s", response);
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if (have < want) {
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size_t need = want - have;
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VIR_EXPAND_N(test->outgoing, test->outgoingCapacity, need);
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}
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want -= 2;
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memcpy(test->outgoing + test->outgoingLength, response, want);
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memcpy(test->outgoing + test->outgoingLength + want, "\r\n", 2);
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test->outgoingLength += want + 2;
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return 0;
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}
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static int
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qemuMonitorTestAddErrorResponseInternal(qemuMonitorTest *test,
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const char *usermsg)
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{
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g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
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g_autofree char *escapemsg = NULL;
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g_autofree char *jsonmsg = NULL;
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char *tmp;
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if (!usermsg)
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usermsg = "unexpected command";
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virBufferEscape(&buf, '\\', "\"", "%s", usermsg);
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escapemsg = virBufferContentAndReset(&buf);
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/* replace newline/carriage return with space */
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tmp = escapemsg;
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while (*tmp) {
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if (*tmp == '\r' || *tmp == '\n')
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*tmp = ' ';
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tmp++;
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}
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/* format the JSON error message */
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jsonmsg = g_strdup_printf("{ \"error\": " " { \"desc\": \"%s\", "
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" \"class\": \"UnexpectedCommand\" } }", escapemsg);
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return qemuMonitorTestAddResponse(test, jsonmsg);
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}
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int
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qemuMonitorTestAddInvalidCommandResponse(qemuMonitorTest *test,
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const char *expectedcommand,
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const char *actualcommand)
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{
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g_autofree char *msg = NULL;
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msg = g_strdup_printf("expected command '%s' got '%s'", expectedcommand,
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actualcommand);
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return qemuMonitorTestAddErrorResponseInternal(test, msg);
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}
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int G_GNUC_PRINTF(2, 3)
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qemuMonitorTestAddErrorResponse(qemuMonitorTest *test, const char *errmsg, ...)
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{
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va_list msgargs;
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g_autofree char *msg = NULL;
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g_autofree char *jsonmsg = NULL;
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int ret = -1;
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va_start(msgargs, errmsg);
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msg = g_strdup_vprintf(errmsg, msgargs);
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jsonmsg = g_strdup_printf("{ \"error\": " " { \"desc\": \"%s\", "
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" \"class\": \"UnexpectedCommand\" } }", msg);
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ret = qemuMonitorTestAddResponse(test, jsonmsg);
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va_end(msgargs);
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return ret;
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}
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static void G_GNUC_NORETURN G_GNUC_PRINTF(1, 2)
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qemuMonitorTestError(const char *errmsg,
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...)
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{
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va_list msgargs;
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va_start(msgargs, errmsg);
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g_fprintf(stderr, "\n");
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g_vfprintf(stderr, errmsg, msgargs);
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g_fprintf(stderr, "\n");
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exit(EXIT_FAILURE); /* exempt from syntax-check */
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}
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static void G_GNUC_NORETURN
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qemuMonitorTestErrorInvalidCommand(const char *expectedcommand,
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const char *actualcommand)
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{
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qemuMonitorTestError("expected command '%s' got '%s'",
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expectedcommand, actualcommand);
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}
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static int
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qemuMonitorTestProcessCommand(qemuMonitorTest *test,
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const char *cmdstr)
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{
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int ret;
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VIR_DEBUG("Processing string from monitor handler: '%s", cmdstr);
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if (test->nitems == 0) {
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qemuMonitorTestError("unexpected command: '%s'", cmdstr);
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} else {
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qemuMonitorTestItem *item = test->items[0];
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ret = (item->cb)(test, item, cmdstr);
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qemuMonitorTestItemFree(item);
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if (VIR_DELETE_ELEMENT(test->items, 0, test->nitems) < 0)
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return -1;
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}
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return ret;
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}
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/*
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* Handles read/write of monitor data on the monitor server side
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*/
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static void
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qemuMonitorTestIO(virNetSocket *sock,
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int events,
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void *opaque)
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{
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qemuMonitorTest *test = opaque;
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bool err = false;
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virMutexLock(&test->lock);
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if (test->quit) {
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virMutexUnlock(&test->lock);
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return;
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}
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if (events & VIR_EVENT_HANDLE_WRITABLE) {
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ssize_t ret;
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if ((ret = virNetSocketWrite(sock,
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test->outgoing,
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test->outgoingLength)) < 0) {
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err = true;
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goto cleanup;
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}
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memmove(test->outgoing,
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test->outgoing + ret,
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test->outgoingLength - ret);
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test->outgoingLength -= ret;
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if ((test->outgoingCapacity - test->outgoingLength) > 1024)
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VIR_SHRINK_N(test->outgoing, test->outgoingCapacity, 1024);
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}
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if (events & VIR_EVENT_HANDLE_READABLE) {
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ssize_t ret, used;
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char *t1, *t2;
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if ((test->incomingCapacity - test->incomingLength) < 1024) {
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VIR_EXPAND_N(test->incoming, test->incomingCapacity, 1024);
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}
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if ((ret = virNetSocketRead(sock,
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test->incoming + test->incomingLength,
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(test->incomingCapacity - test->incomingLength) - 1)) < 0) {
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err = true;
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goto cleanup;
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}
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test->incomingLength += ret;
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test->incoming[test->incomingLength] = '\0';
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/* Look to see if we've got a complete line, and
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* if so, handle that command
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*/
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t1 = test->incoming;
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while ((t2 = strstr(t1, "\n")) ||
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(test->agent && (t2 = strstr(t1, "\r")))) {
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*t2 = '\0';
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if (qemuMonitorTestProcessCommand(test, t1) < 0) {
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err = true;
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goto cleanup;
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}
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t1 = t2 + 1;
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}
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used = t1 - test->incoming;
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memmove(test->incoming, t1, test->incomingLength - used);
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test->incomingLength -= used;
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if ((test->incomingCapacity - test->incomingLength) > 1024) {
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VIR_SHRINK_N(test->incoming,
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test->incomingCapacity,
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1024);
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}
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}
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if (events & (VIR_EVENT_HANDLE_HANGUP |
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VIR_EVENT_HANDLE_ERROR))
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err = true;
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cleanup:
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if (err) {
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virNetSocketRemoveIOCallback(sock);
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virNetSocketClose(sock);
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virObjectUnref(test->client);
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test->client = NULL;
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} else {
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events = VIR_EVENT_HANDLE_READABLE;
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if (test->outgoingLength)
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events |= VIR_EVENT_HANDLE_WRITABLE;
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virNetSocketUpdateIOCallback(sock, events);
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}
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virMutexUnlock(&test->lock);
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}
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static void
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qemuMonitorTestWorker(void *opaque)
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{
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qemuMonitorTest *test = opaque;
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virMutexLock(&test->lock);
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while (!test->quit) {
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virMutexUnlock(&test->lock);
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if (virEventRunDefaultImpl() < 0) {
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virMutexLock(&test->lock);
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test->quit = true;
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break;
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}
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virMutexLock(&test->lock);
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}
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test->running = false;
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virMutexUnlock(&test->lock);
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return;
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}
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static void
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qemuMonitorTestFreeTimer(int timer G_GNUC_UNUSED,
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void *opaque G_GNUC_UNUSED)
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{
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/* nothing to be done here */
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}
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void
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qemuMonitorTestFree(qemuMonitorTest *test)
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{
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size_t i;
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int timer = -1;
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if (!test)
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return;
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virMutexLock(&test->lock);
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if (test->running) {
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test->quit = true;
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/* HACK: Add a dummy timeout to break event loop */
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timer = virEventAddTimeout(0, qemuMonitorTestFreeTimer, NULL, NULL);
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}
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virMutexUnlock(&test->lock);
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if (test->client) {
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virNetSocketRemoveIOCallback(test->client);
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virNetSocketClose(test->client);
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virObjectUnref(test->client);
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}
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virObjectUnref(test->server);
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if (test->mon) {
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virObjectUnlock(test->mon);
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qemuMonitorClose(test->mon);
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}
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if (test->agent) {
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virObjectUnlock(test->agent);
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qemuAgentClose(test->agent);
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}
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g_object_unref(test->eventThread);
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virObjectUnref(test->vm);
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if (test->started)
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virThreadJoin(&test->thread);
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if (timer != -1)
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virEventRemoveTimeout(timer);
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g_free(test->incoming);
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g_free(test->outgoing);
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for (i = 0; i < test->nitems; i++) {
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if (!test->allowUnusedCommands) {
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g_fprintf(stderr,
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"\nunused test monitor item '%s'",
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NULLSTR(test->items[i]->identifier));
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}
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qemuMonitorTestItemFree(test->items[i]);
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}
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g_free(test->items);
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if (test->tmpdir && rmdir(test->tmpdir) < 0)
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VIR_WARN("Failed to remove tempdir: %s", g_strerror(errno));
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g_free(test->tmpdir);
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if (!test->allowUnusedCommands &&
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test->nitems != 0) {
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qemuMonitorTestError("unused test monitor items are not allowed for this test\n");
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}
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virMutexDestroy(&test->lock);
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g_free(test);
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}
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int
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qemuMonitorTestAddHandler(qemuMonitorTest *test,
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const char *identifier,
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qemuMonitorTestResponseCallback cb,
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void *opaque,
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virFreeCallback freecb)
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{
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qemuMonitorTestItem *item;
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item = g_new0(qemuMonitorTestItem, 1);
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item->identifier = g_strdup(identifier);
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item->cb = cb;
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item->freecb = freecb;
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item->opaque = opaque;
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virMutexLock(&test->lock);
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VIR_APPEND_ELEMENT(test->items, test->nitems, item);
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virMutexUnlock(&test->lock);
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return 0;
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}
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void *
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qemuMonitorTestItemGetPrivateData(qemuMonitorTestItem *item)
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{
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return item ? item->opaque : NULL;
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}
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typedef struct _qemuMonitorTestCommandArgs qemuMonitorTestCommandArgs;
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struct _qemuMonitorTestCommandArgs {
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char *argname;
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char *argval;
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};
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struct qemuMonitorTestHandlerData {
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char *command_name;
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char *cmderr;
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char *response;
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size_t nargs;
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qemuMonitorTestCommandArgs *args;
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char *expectArgs;
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};
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static void
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qemuMonitorTestHandlerDataFree(void *opaque)
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{
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struct qemuMonitorTestHandlerData *data = opaque;
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size_t i;
|
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if (!data)
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return;
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for (i = 0; i < data->nargs; i++) {
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g_free(data->args[i].argname);
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g_free(data->args[i].argval);
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}
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g_free(data->command_name);
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g_free(data->cmderr);
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g_free(data->response);
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g_free(data->args);
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g_free(data->expectArgs);
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g_free(data);
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}
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|
|
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/* Returns -1 on error, 0 if validation was successful/not necessary */
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static int
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qemuMonitorTestProcessCommandDefaultValidate(qemuMonitorTest *test,
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const char *cmdname,
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virJSONValue *args)
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|
{
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g_auto(virBuffer) debug = VIR_BUFFER_INITIALIZER;
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bool allowIncomplete = false;
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|
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if (!test->qapischema)
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return 0;
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|
|
|
if (test->agent) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
|
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"Command validation testing is not "
|
|
"implemented for the guest agent");
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return -1;
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}
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|
|
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/* The schema of 'device_add' is incomplete so we relax the validator */
|
|
if (STREQ(cmdname, "device_add"))
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|
allowIncomplete = true;
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|
|
|
if (testQEMUSchemaValidateCommand(cmdname, args, test->qapischema,
|
|
test->skipValidationDeprecated,
|
|
test->skipValidationRemoved,
|
|
allowIncomplete,
|
|
&debug) < 0) {
|
|
if (virTestGetDebug() == 2) {
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|
g_autofree char *argstr = NULL;
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|
|
|
if (args)
|
|
argstr = virJSONValueToString(args, true);
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|
|
fprintf(stderr,
|
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"\nfailed to validate arguments of '%s' against QAPI schema\n"
|
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"args:\n%s\nvalidator output:\n %s\n",
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cmdname, NULLSTR(argstr), virBufferCurrentContent(&debug));
|
|
}
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|
|
qemuMonitorTestError("failed to validate arguments of '%s' "
|
|
"against QAPI schema "
|
|
"(to see debug output use VIR_TEST_DEBUG=2)",
|
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cmdname);
|
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return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int
|
|
qemuMonitorTestProcessCommandDefault(qemuMonitorTest *test,
|
|
qemuMonitorTestItem *item,
|
|
const char *cmdstr)
|
|
{
|
|
struct qemuMonitorTestHandlerData *data = item->opaque;
|
|
g_autoptr(virJSONValue) val = NULL;
|
|
virJSONValue *cmdargs = NULL;
|
|
const char *cmdname;
|
|
|
|
if (!(val = virJSONValueFromString(cmdstr)))
|
|
return -1;
|
|
|
|
if (!(cmdname = virJSONValueObjectGetString(val, "execute"))) {
|
|
qemuMonitorTestError("Missing command name in %s", cmdstr);
|
|
return -1;
|
|
}
|
|
|
|
cmdargs = virJSONValueObjectGet(val, "arguments");
|
|
if (qemuMonitorTestProcessCommandDefaultValidate(test, cmdname, cmdargs) < 0)
|
|
return -1;
|
|
|
|
if (data->command_name && STRNEQ(data->command_name, cmdname)) {
|
|
qemuMonitorTestErrorInvalidCommand(data->command_name, cmdname);
|
|
return -1;
|
|
} else {
|
|
return qemuMonitorTestAddResponse(test, data->response);
|
|
}
|
|
}
|
|
|
|
|
|
int
|
|
qemuMonitorTestAddItem(qemuMonitorTest *test,
|
|
const char *command_name,
|
|
const char *response)
|
|
{
|
|
struct qemuMonitorTestHandlerData *data;
|
|
|
|
data = g_new0(struct qemuMonitorTestHandlerData, 1);
|
|
|
|
data->command_name = g_strdup(command_name);
|
|
data->response = g_strdup(response);
|
|
|
|
return qemuMonitorTestAddHandler(test,
|
|
command_name,
|
|
qemuMonitorTestProcessCommandDefault,
|
|
data, qemuMonitorTestHandlerDataFree);
|
|
}
|
|
|
|
|
|
static int
|
|
qemuMonitorTestProcessCommandVerbatim(qemuMonitorTest *test,
|
|
qemuMonitorTestItem *item,
|
|
const char *cmdstr)
|
|
{
|
|
struct qemuMonitorTestHandlerData *data = item->opaque;
|
|
g_autofree char *reformatted = NULL;
|
|
g_autoptr(virJSONValue) json = NULL;
|
|
virJSONValue *cmdargs;
|
|
const char *cmdname;
|
|
int ret = -1;
|
|
|
|
/* JSON strings will be reformatted to simplify checking */
|
|
if (!(json = virJSONValueFromString(cmdstr)) ||
|
|
!(reformatted = virJSONValueToString(json, false)))
|
|
return -1;
|
|
|
|
cmdstr = reformatted;
|
|
|
|
/* in this case we do a best-effort schema check if we can find the command */
|
|
if ((cmdname = virJSONValueObjectGetString(json, "execute"))) {
|
|
cmdargs = virJSONValueObjectGet(json, "arguments");
|
|
if (qemuMonitorTestProcessCommandDefaultValidate(test, cmdname, cmdargs) < 0)
|
|
return -1;
|
|
}
|
|
|
|
if (STREQ(data->command_name, cmdstr)) {
|
|
ret = qemuMonitorTestAddResponse(test, data->response);
|
|
} else {
|
|
if (data->cmderr) {
|
|
qemuMonitorTestError("%s: %s expected %s",
|
|
data->cmderr, cmdstr, data->command_name);
|
|
} else {
|
|
qemuMonitorTestErrorInvalidCommand(data->command_name, cmdstr);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* qemuMonitorTestAddItemVerbatim:
|
|
* @test: monitor test object
|
|
* @command: full expected command syntax
|
|
* @cmderr: possible explanation of expected command (may be NULL)
|
|
* @response: full reply of @command
|
|
*
|
|
* Adds a test command for the simulated monitor. The full syntax is checked
|
|
* as specified in @command. For JSON monitor tests formatting/whitespace is
|
|
* ignored. If the command on the monitor is not as expected an error containing
|
|
* @cmderr is returned. Otherwise @response is put as-is on the monitor.
|
|
*
|
|
* Returns 0 when command was successfully added, -1 on error.
|
|
*/
|
|
int
|
|
qemuMonitorTestAddItemVerbatim(qemuMonitorTest *test,
|
|
const char *command,
|
|
const char *cmderr,
|
|
const char *response)
|
|
{
|
|
struct qemuMonitorTestHandlerData *data;
|
|
|
|
data = g_new0(struct qemuMonitorTestHandlerData, 1);
|
|
|
|
data->response = g_strdup(response);
|
|
data->cmderr = g_strdup(cmderr);
|
|
|
|
data->command_name = virJSONStringReformat(command, false);
|
|
if (!data->command_name)
|
|
goto error;
|
|
|
|
return qemuMonitorTestAddHandler(test,
|
|
command,
|
|
qemuMonitorTestProcessCommandVerbatim,
|
|
data, qemuMonitorTestHandlerDataFree);
|
|
|
|
error:
|
|
qemuMonitorTestHandlerDataFree(data);
|
|
return -1;
|
|
}
|
|
|
|
|
|
static int
|
|
qemuMonitorTestProcessGuestAgentSync(qemuMonitorTest *test,
|
|
qemuMonitorTestItem *item G_GNUC_UNUSED,
|
|
const char *cmdstr)
|
|
{
|
|
g_autoptr(virJSONValue) val = NULL;
|
|
virJSONValue *args;
|
|
unsigned long long id;
|
|
const char *cmdname;
|
|
g_autofree char *retmsg = NULL;
|
|
|
|
if (!(val = virJSONValueFromString(cmdstr)))
|
|
return -1;
|
|
|
|
if (!(cmdname = virJSONValueObjectGetString(val, "execute")))
|
|
return qemuMonitorTestAddErrorResponse(test, "Missing guest-sync command name");
|
|
|
|
if (STRNEQ(cmdname, "guest-sync"))
|
|
return qemuMonitorTestAddInvalidCommandResponse(test, "guest-sync", cmdname);
|
|
|
|
if (!(args = virJSONValueObjectGet(val, "arguments")))
|
|
return qemuMonitorTestAddErrorResponse(test, "Missing arguments for guest-sync");
|
|
|
|
if (virJSONValueObjectGetNumberUlong(args, "id", &id))
|
|
return qemuMonitorTestAddErrorResponse(test, "Missing id for guest sync");
|
|
|
|
retmsg = g_strdup_printf("{\"return\":%llu}", id);
|
|
|
|
return qemuMonitorTestAddResponse(test, retmsg);
|
|
}
|
|
|
|
|
|
int
|
|
qemuMonitorTestAddAgentSyncResponse(qemuMonitorTest *test)
|
|
{
|
|
if (!test->agent) {
|
|
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
|
|
"This test is not an agent test");
|
|
return -1;
|
|
}
|
|
|
|
return qemuMonitorTestAddHandler(test,
|
|
"agent-sync",
|
|
qemuMonitorTestProcessGuestAgentSync,
|
|
NULL, NULL);
|
|
}
|
|
|
|
|
|
static int
|
|
qemuMonitorTestProcessCommandWithArgs(qemuMonitorTest *test,
|
|
qemuMonitorTestItem *item,
|
|
const char *cmdstr)
|
|
{
|
|
struct qemuMonitorTestHandlerData *data = item->opaque;
|
|
g_autoptr(virJSONValue) val = NULL;
|
|
virJSONValue *args;
|
|
virJSONValue *argobj;
|
|
const char *cmdname;
|
|
size_t i;
|
|
|
|
if (!(val = virJSONValueFromString(cmdstr)))
|
|
return -1;
|
|
|
|
if (!(cmdname = virJSONValueObjectGetString(val, "execute"))) {
|
|
qemuMonitorTestError("Missing command name in %s", cmdstr);
|
|
return -1;
|
|
}
|
|
|
|
if (data->command_name &&
|
|
STRNEQ(data->command_name, cmdname)) {
|
|
qemuMonitorTestErrorInvalidCommand(data->command_name, cmdname);
|
|
return -1;
|
|
}
|
|
|
|
if (!(args = virJSONValueObjectGet(val, "arguments"))) {
|
|
qemuMonitorTestError("Missing arguments section for command '%s'",
|
|
NULLSTR(data->command_name));
|
|
return -1;
|
|
}
|
|
|
|
/* validate the args */
|
|
for (i = 0; i < data->nargs; i++) {
|
|
qemuMonitorTestCommandArgs *arg = &data->args[i];
|
|
g_autofree char *argstr = NULL;
|
|
|
|
if (!(argobj = virJSONValueObjectGet(args, arg->argname))) {
|
|
qemuMonitorTestError("Missing argument '%s' for command '%s'",
|
|
arg->argname,
|
|
NULLSTR(data->command_name));
|
|
return -1;
|
|
}
|
|
|
|
/* convert the argument to string */
|
|
if (!(argstr = virJSONValueToString(argobj, false)))
|
|
return -1;
|
|
|
|
/* verify that the argument value is expected */
|
|
if (STRNEQ(argstr, arg->argval)) {
|
|
qemuMonitorTestError("Invalid value of argument '%s' of command '%s': "
|
|
"expected '%s' got '%s'",
|
|
arg->argname,
|
|
NULLSTR(data->command_name),
|
|
arg->argval, argstr);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* arguments checked out, return the response */
|
|
return qemuMonitorTestAddResponse(test, data->response);
|
|
}
|
|
|
|
|
|
|
|
/* this allows to add a responder that is able to check
|
|
* a (shallow) structure of arguments for a command */
|
|
int
|
|
qemuMonitorTestAddItemParams(qemuMonitorTest *test,
|
|
const char *cmdname,
|
|
const char *response,
|
|
...)
|
|
{
|
|
struct qemuMonitorTestHandlerData *data;
|
|
const char *argname;
|
|
const char *argval;
|
|
va_list args;
|
|
|
|
va_start(args, response);
|
|
|
|
data = g_new0(struct qemuMonitorTestHandlerData, 1);
|
|
|
|
data->command_name = g_strdup(cmdname);
|
|
data->response = g_strdup(response);
|
|
|
|
while ((argname = va_arg(args, char *))) {
|
|
size_t i;
|
|
if (!(argval = va_arg(args, char *))) {
|
|
virReportError(VIR_ERR_INTERNAL_ERROR,
|
|
"Missing argument value for argument '%s'",
|
|
argname);
|
|
goto error;
|
|
}
|
|
|
|
i = data->nargs;
|
|
VIR_EXPAND_N(data->args, data->nargs, 1);
|
|
data->args[i].argname = g_strdup(argname);
|
|
data->args[i].argval = g_strdup(argval);
|
|
}
|
|
|
|
va_end(args);
|
|
|
|
return qemuMonitorTestAddHandler(test,
|
|
cmdname,
|
|
qemuMonitorTestProcessCommandWithArgs,
|
|
data, qemuMonitorTestHandlerDataFree);
|
|
|
|
error:
|
|
va_end(args);
|
|
qemuMonitorTestHandlerDataFree(data);
|
|
return -1;
|
|
}
|
|
|
|
|
|
static int
|
|
qemuMonitorTestProcessCommandWithArgStr(qemuMonitorTest *test,
|
|
qemuMonitorTestItem *item,
|
|
const char *cmdstr)
|
|
{
|
|
struct qemuMonitorTestHandlerData *data = item->opaque;
|
|
g_autoptr(virJSONValue) val = NULL;
|
|
virJSONValue *args;
|
|
g_autofree char *argstr = NULL;
|
|
const char *cmdname;
|
|
|
|
if (!(val = virJSONValueFromString(cmdstr)))
|
|
return -1;
|
|
|
|
if (!(cmdname = virJSONValueObjectGetString(val, "execute"))) {
|
|
qemuMonitorTestError("Missing command name in %s", cmdstr);
|
|
return -1;
|
|
}
|
|
|
|
if (STRNEQ(data->command_name, cmdname)) {
|
|
qemuMonitorTestErrorInvalidCommand(data->command_name, cmdname);
|
|
return -1;
|
|
}
|
|
|
|
if (!(args = virJSONValueObjectGet(val, "arguments"))) {
|
|
qemuMonitorTestError("Missing arguments section for command '%s'",
|
|
data->command_name);
|
|
return -1;
|
|
}
|
|
|
|
/* convert the arguments to string */
|
|
if (!(argstr = virJSONValueToString(args, false)))
|
|
return -1;
|
|
|
|
/* verify that the argument value is expected */
|
|
if (STRNEQ(argstr, data->expectArgs)) {
|
|
qemuMonitorTestError("%s: expected arguments: '%s', got: '%s'",
|
|
data->command_name,
|
|
data->expectArgs, argstr);
|
|
return -1;
|
|
}
|
|
|
|
/* arguments checked out, return the response */
|
|
return qemuMonitorTestAddResponse(test, data->response);
|
|
}
|
|
|
|
|
|
/**
|
|
* qemuMonitorTestAddItemExpect:
|
|
*
|
|
* @test: test monitor object
|
|
* @cmdname: command name
|
|
* @cmdargs: expected arguments of the command
|
|
* @apostrophe: convert apostrophes (') in @cmdargs to quotes (")
|
|
* @response: simulated response of the command
|
|
*
|
|
* Simulates a qemu monitor command. Checks that the 'arguments' of the qmp
|
|
* command are expected. If @apostrophe is true apostrophes are converted to
|
|
* quotes for simplification of writing the strings into code.
|
|
*/
|
|
int
|
|
qemuMonitorTestAddItemExpect(qemuMonitorTest *test,
|
|
const char *cmdname,
|
|
const char *cmdargs,
|
|
bool apostrophe,
|
|
const char *response)
|
|
{
|
|
struct qemuMonitorTestHandlerData *data;
|
|
|
|
data = g_new0(struct qemuMonitorTestHandlerData, 1);
|
|
|
|
data->command_name = g_strdup(cmdname);
|
|
data->response = g_strdup(response);
|
|
data->expectArgs = g_strdup(cmdargs);
|
|
|
|
if (apostrophe) {
|
|
char *tmp = data->expectArgs;
|
|
|
|
while (*tmp != '\0') {
|
|
if (*tmp == '\'')
|
|
*tmp = '"';
|
|
|
|
tmp++;
|
|
}
|
|
}
|
|
|
|
return qemuMonitorTestAddHandler(test,
|
|
cmdname,
|
|
qemuMonitorTestProcessCommandWithArgStr,
|
|
data, qemuMonitorTestHandlerDataFree);
|
|
}
|
|
|
|
|
|
static void
|
|
qemuMonitorTestEOFNotify(qemuMonitor *mon G_GNUC_UNUSED,
|
|
virDomainObj *vm G_GNUC_UNUSED,
|
|
void *opaque G_GNUC_UNUSED)
|
|
{
|
|
}
|
|
|
|
|
|
static void
|
|
qemuMonitorTestErrorNotify(qemuMonitor *mon G_GNUC_UNUSED,
|
|
virDomainObj *vm G_GNUC_UNUSED,
|
|
void *opaque G_GNUC_UNUSED)
|
|
{
|
|
}
|
|
|
|
|
|
static qemuMonitorCallbacks qemuMonitorTestCallbacks = {
|
|
.eofNotify = qemuMonitorTestEOFNotify,
|
|
.errorNotify = qemuMonitorTestErrorNotify,
|
|
.domainDeviceDeleted = qemuProcessHandleDeviceDeleted,
|
|
};
|
|
|
|
|
|
static void
|
|
qemuMonitorTestAgentNotify(qemuAgent *agent G_GNUC_UNUSED,
|
|
virDomainObj *vm G_GNUC_UNUSED)
|
|
{
|
|
}
|
|
|
|
|
|
static qemuAgentCallbacks qemuMonitorTestAgentCallbacks = {
|
|
.eofNotify = qemuMonitorTestAgentNotify,
|
|
.errorNotify = qemuMonitorTestAgentNotify,
|
|
};
|
|
|
|
|
|
static qemuMonitorTest *
|
|
qemuMonitorCommonTestNew(virDomainXMLOption *xmlopt,
|
|
virDomainObj *vm,
|
|
virDomainChrSourceDef *src)
|
|
{
|
|
g_autoptr(qemuMonitorTest) test = NULL;
|
|
g_autofree char *path = NULL;
|
|
g_autofree char *tmpdir_template = NULL;
|
|
|
|
test = g_new0(qemuMonitorTest, 1);
|
|
|
|
if (virMutexInit(&test->lock) < 0) {
|
|
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
|
|
"Cannot initialize mutex");
|
|
VIR_FREE(test);
|
|
return NULL;
|
|
}
|
|
|
|
tmpdir_template = g_strdup("/tmp/libvirt_XXXXXX");
|
|
|
|
if (!(test->tmpdir = g_mkdtemp(tmpdir_template))) {
|
|
virReportSystemError(errno, "%s",
|
|
"Failed to create temporary directory");
|
|
return NULL;
|
|
}
|
|
|
|
tmpdir_template = NULL;
|
|
|
|
path = g_strdup_printf("%s/qemumonitorjsontest.sock", test->tmpdir);
|
|
|
|
if (vm) {
|
|
test->vm = virObjectRef(vm);
|
|
} else {
|
|
test->vm = virDomainObjNew(xmlopt);
|
|
if (!test->vm)
|
|
return NULL;
|
|
if (!(test->vm->def = virDomainDefNew(xmlopt)))
|
|
return NULL;
|
|
}
|
|
|
|
if (virNetSocketNewListenUNIX(path, 0700, geteuid(), getegid(),
|
|
&test->server) < 0)
|
|
return NULL;
|
|
|
|
memset(src, 0, sizeof(*src));
|
|
src->type = VIR_DOMAIN_CHR_TYPE_UNIX;
|
|
src->data.nix.path = (char *)path;
|
|
src->data.nix.listen = false;
|
|
path = NULL;
|
|
|
|
if (virNetSocketListen(test->server, 1) < 0)
|
|
return NULL;
|
|
|
|
return g_steal_pointer(&test);
|
|
}
|
|
|
|
|
|
static int
|
|
qemuMonitorCommonTestInit(qemuMonitorTest *test)
|
|
{
|
|
int events = VIR_EVENT_HANDLE_READABLE;
|
|
|
|
if (!test)
|
|
return -1;
|
|
|
|
if (virNetSocketAccept(test->server, &test->client) < 0)
|
|
return -1;
|
|
|
|
if (!test->client)
|
|
return -1;
|
|
|
|
if (test->outgoingLength > 0)
|
|
events = VIR_EVENT_HANDLE_WRITABLE;
|
|
|
|
if (virNetSocketAddIOCallback(test->client,
|
|
events,
|
|
qemuMonitorTestIO,
|
|
test,
|
|
NULL) < 0)
|
|
return -1;
|
|
|
|
virMutexLock(&test->lock);
|
|
if (virThreadCreate(&test->thread,
|
|
true,
|
|
qemuMonitorTestWorker,
|
|
test) < 0) {
|
|
virMutexUnlock(&test->lock);
|
|
return -1;
|
|
}
|
|
test->started = test->running = true;
|
|
virMutexUnlock(&test->lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
#define QEMU_JSON_GREETING "{\"QMP\":"\
|
|
" {\"version\":"\
|
|
" {\"qemu\":"\
|
|
" {\"micro\": 1,"\
|
|
" \"minor\": 0,"\
|
|
" \"major\": 1"\
|
|
" },"\
|
|
" \"package\": \"(qemu-kvm-1.0.1)"\
|
|
" \"},"\
|
|
" \"capabilities\": []"\
|
|
" }"\
|
|
"}"
|
|
/* We skip the normal handshake reply of "{\"execute\":\"qmp_capabilities\"}" */
|
|
|
|
|
|
qemuMonitorTest *
|
|
qemuMonitorTestNew(virDomainXMLOption *xmlopt,
|
|
virDomainObj *vm,
|
|
virQEMUDriver *driver,
|
|
const char *greeting,
|
|
GHashTable *schema)
|
|
{
|
|
g_autoptr(qemuMonitorTest) test = NULL;
|
|
virDomainChrSourceDef src;
|
|
|
|
memset(&src, 0, sizeof(src));
|
|
|
|
if (!(test = qemuMonitorCommonTestNew(xmlopt, vm, &src)))
|
|
goto error;
|
|
|
|
if (!(test->eventThread = virEventThreadNew("mon-test")))
|
|
goto error;
|
|
|
|
test->qapischema = schema;
|
|
if (!(test->mon = qemuMonitorOpen(test->vm,
|
|
&src,
|
|
true,
|
|
0,
|
|
virEventThreadGetContext(test->eventThread),
|
|
&qemuMonitorTestCallbacks,
|
|
driver)))
|
|
goto error;
|
|
|
|
virObjectLock(test->mon);
|
|
|
|
if (!greeting)
|
|
greeting = QEMU_JSON_GREETING;
|
|
|
|
if (qemuMonitorTestAddResponse(test, greeting) < 0)
|
|
goto error;
|
|
|
|
if (qemuMonitorCommonTestInit(test) < 0)
|
|
goto error;
|
|
|
|
virDomainChrSourceDefClear(&src);
|
|
|
|
return g_steal_pointer(&test);
|
|
|
|
error:
|
|
virDomainChrSourceDefClear(&src);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/**
|
|
* qemuMonitorTestNewFromFile:
|
|
* @fileName: File name to load monitor replies from
|
|
* @xmlopt: XML parser configuration object
|
|
* @simple: see below
|
|
*
|
|
* Create a JSON test monitor simulator object and fill it with replies
|
|
* specified in @fileName. The file contains JSON reply objects separated by
|
|
* empty lines. If @simple is true a generic QMP greeting is automatically
|
|
* added as the first reply, otherwise the first entry in the file is used.
|
|
*
|
|
* Returns the monitor object on success; NULL on error.
|
|
*/
|
|
qemuMonitorTest *
|
|
qemuMonitorTestNewFromFile(const char *fileName,
|
|
virDomainXMLOption *xmlopt,
|
|
bool simple)
|
|
{
|
|
g_autoptr(qemuMonitorTest) test = NULL;
|
|
g_autofree char *json = NULL;
|
|
char *tmp;
|
|
char *singleReply;
|
|
|
|
if (virTestLoadFile(fileName, &json) < 0)
|
|
return NULL;
|
|
|
|
if (simple && !(test = qemuMonitorTestNewSimple(xmlopt)))
|
|
return NULL;
|
|
|
|
/* Our JSON parser expects replies to be separated by a newline character.
|
|
* Hence we must preprocess the file a bit. */
|
|
tmp = singleReply = json;
|
|
while ((tmp = strchr(tmp, '\n'))) {
|
|
/* It is safe to touch tmp[1] since all strings ends with '\0'. */
|
|
bool eof = !tmp[1];
|
|
|
|
if (*(tmp + 1) != '\n') {
|
|
*tmp = ' ';
|
|
tmp++;
|
|
} else {
|
|
/* Cut off a single reply. */
|
|
*(tmp + 1) = '\0';
|
|
|
|
if (test) {
|
|
if (qemuMonitorTestAddItem(test, NULL, singleReply) < 0)
|
|
return NULL;
|
|
} else {
|
|
/* Create new mocked monitor with our greeting */
|
|
if (!(test = qemuMonitorTestNew(xmlopt, NULL, NULL,
|
|
singleReply, NULL)))
|
|
return NULL;
|
|
}
|
|
|
|
if (!eof) {
|
|
/* Move the @tmp and @singleReply. */
|
|
tmp += 2;
|
|
singleReply = tmp;
|
|
}
|
|
}
|
|
|
|
if (eof)
|
|
break;
|
|
}
|
|
|
|
if (test && qemuMonitorTestAddItem(test, NULL, singleReply) < 0)
|
|
return NULL;
|
|
|
|
return g_steal_pointer(&test);
|
|
}
|
|
|
|
|
|
/**
|
|
* qemuMonitorTestAllowUnusedCommands:
|
|
* @test: test monitor object
|
|
*
|
|
* By default all test items/commands must be used by the test. This function
|
|
* allows to override the requirement for individual tests e.g. if it's necessary
|
|
* to test some negative scenarios which would not use all commands.
|
|
*/
|
|
void
|
|
qemuMonitorTestAllowUnusedCommands(qemuMonitorTest *test)
|
|
{
|
|
test->allowUnusedCommands = true;
|
|
}
|
|
|
|
|
|
/**
|
|
* qemuMonitorTestSkipDeprecatedValidation:
|
|
* @test: test monitor object
|
|
* @allowRemoved: don't produce errors if command was removed from QMP schema
|
|
*
|
|
* By default if the QMP schema is provided all test items/commands are
|
|
* validated against the schema. This function allows to override the validation
|
|
* and additionally if @allowRemoved is true and if such a command is no longer
|
|
* present in the QMP, only a warning is printed.
|
|
*
|
|
* '@allowRemoved' must be used only if a suitable replacement is already in
|
|
* use and the code tests legacy interactions.
|
|
*
|
|
* Note that currently '@allowRemoved' influences only removed commands. If an
|
|
* argument is removed it will still fail validation.
|
|
*/
|
|
void
|
|
qemuMonitorTestSkipDeprecatedValidation(qemuMonitorTest *test,
|
|
bool allowRemoved)
|
|
{
|
|
test->skipValidationDeprecated = true;
|
|
test->skipValidationRemoved = allowRemoved;
|
|
}
|
|
|
|
|
|
static int
|
|
qemuMonitorTestFullAddItem(qemuMonitorTest *test,
|
|
const char *filename,
|
|
const char *command,
|
|
const char *response,
|
|
size_t line)
|
|
{
|
|
g_autofree char *cmderr = NULL;
|
|
|
|
cmderr = g_strdup_printf("wrong expected command in %s:%zu: ", filename, line);
|
|
|
|
return qemuMonitorTestAddItemVerbatim(test, command, cmderr, response);
|
|
}
|
|
|
|
|
|
/**
|
|
* qemuMonitorTestProcessFileEntries:
|
|
* @inputstr: input file contents (modified)
|
|
* @fileName: File name of @inputstr (for error reporting)
|
|
* @items: filled with command, reply tuples
|
|
* @nitems: Count of elements in @items.
|
|
*
|
|
* Process a monitor interaction file.
|
|
*
|
|
* The file contains a sequence of JSON commands and reply objects separated by
|
|
* empty lines. A command is followed by a reply.
|
|
*/
|
|
int
|
|
qemuMonitorTestProcessFileEntries(char *inputstr,
|
|
const char *fileName,
|
|
struct qemuMonitorTestCommandReplyTuple **items,
|
|
size_t *nitems)
|
|
{
|
|
size_t nalloc = 0;
|
|
char *tmp = inputstr;
|
|
size_t line = 0;
|
|
char *command = inputstr;
|
|
char *response = NULL;
|
|
size_t commandln = 0;
|
|
|
|
*items = NULL;
|
|
*nitems = 0;
|
|
|
|
while ((tmp = strchr(tmp, '\n'))) {
|
|
line++;
|
|
|
|
/* eof */
|
|
if (!tmp[1])
|
|
break;
|
|
|
|
/* concatenate block which was broken up for readability */
|
|
if (*(tmp + 1) != '\n') {
|
|
*tmp = ' ';
|
|
tmp++;
|
|
continue;
|
|
}
|
|
|
|
/* Cut off a single reply. */
|
|
*(tmp + 1) = '\0';
|
|
|
|
if (response) {
|
|
struct qemuMonitorTestCommandReplyTuple *item;
|
|
|
|
VIR_RESIZE_N(*items, nalloc, *nitems, 1);
|
|
|
|
item = *items + *nitems;
|
|
|
|
item->command = g_steal_pointer(&command);
|
|
item->reply = g_steal_pointer(&response);
|
|
item->line = commandln;
|
|
(*nitems)++;
|
|
}
|
|
|
|
/* Move the @tmp and @singleReply. */
|
|
tmp += 2;
|
|
|
|
if (!command) {
|
|
commandln = line;
|
|
command = tmp;
|
|
} else {
|
|
response = tmp;
|
|
}
|
|
}
|
|
|
|
if (command) {
|
|
struct qemuMonitorTestCommandReplyTuple *item;
|
|
|
|
if (!response) {
|
|
virReportError(VIR_ERR_INTERNAL_ERROR, "missing response for command "
|
|
"on line '%zu' in '%s'", commandln, fileName);
|
|
return -1;
|
|
}
|
|
|
|
VIR_RESIZE_N(*items, nalloc, *nitems, 1);
|
|
|
|
item = *items + *nitems;
|
|
|
|
item->command = g_steal_pointer(&command);
|
|
item->reply = g_steal_pointer(&response);
|
|
item->line = commandln;
|
|
(*nitems)++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* qemuMonitorTestNewFromFileFull:
|
|
* @fileName: File name to load monitor replies from
|
|
* @driver: qemu driver object
|
|
* @vm: domain object (may be null if it's not needed by the test)
|
|
* @qmpschema: QMP schema data hash table if QMP checking is required
|
|
*
|
|
* Create a JSON test monitor simulator object and fill it with expected command
|
|
* sequence and replies specified in @fileName.
|
|
*
|
|
* The file contains a sequence of JSON commands and reply objects separated by
|
|
* empty lines. A command is followed by a reply. The QMP greeting is added
|
|
* automatically.
|
|
*
|
|
* Returns the monitor object on success; NULL on error.
|
|
*/
|
|
qemuMonitorTest *
|
|
qemuMonitorTestNewFromFileFull(const char *fileName,
|
|
virQEMUDriver *driver,
|
|
virDomainObj *vm,
|
|
GHashTable *qmpschema)
|
|
{
|
|
g_autoptr(qemuMonitorTest) ret = NULL;
|
|
g_autofree char *jsonstr = NULL;
|
|
g_autofree struct qemuMonitorTestCommandReplyTuple *items = NULL;
|
|
size_t nitems = 0;
|
|
size_t i;
|
|
|
|
if (virTestLoadFile(fileName, &jsonstr) < 0)
|
|
return NULL;
|
|
|
|
if (!(ret = qemuMonitorTestNew(driver->xmlopt, vm, driver, NULL,
|
|
qmpschema)))
|
|
return NULL;
|
|
|
|
if (qemuMonitorTestProcessFileEntries(jsonstr, fileName, &items, &nitems) < 0)
|
|
return NULL;
|
|
|
|
for (i = 0; i < nitems; i++) {
|
|
struct qemuMonitorTestCommandReplyTuple *item = items + i;
|
|
|
|
if (qemuMonitorTestFullAddItem(ret, fileName, item->command, item->reply,
|
|
item->line) < 0)
|
|
return NULL;
|
|
}
|
|
|
|
return g_steal_pointer(&ret);
|
|
}
|
|
|
|
|
|
qemuMonitorTest *
|
|
qemuMonitorTestNewAgent(virDomainXMLOption *xmlopt)
|
|
{
|
|
g_autoptr(qemuMonitorTest) test = NULL;
|
|
virDomainChrSourceDef src;
|
|
|
|
memset(&src, 0, sizeof(src));
|
|
|
|
if (!(test = qemuMonitorCommonTestNew(xmlopt, NULL, &src)))
|
|
goto error;
|
|
|
|
if (!(test->eventThread = virEventThreadNew("agent-test")))
|
|
goto error;
|
|
|
|
if (!(test->agent = qemuAgentOpen(test->vm,
|
|
&src,
|
|
virEventThreadGetContext(test->eventThread),
|
|
&qemuMonitorTestAgentCallbacks,
|
|
false)))
|
|
goto error;
|
|
|
|
virObjectLock(test->agent);
|
|
|
|
if (qemuMonitorCommonTestInit(test) < 0)
|
|
goto error;
|
|
|
|
virDomainChrSourceDefClear(&src);
|
|
|
|
return g_steal_pointer(&test);
|
|
|
|
error:
|
|
virDomainChrSourceDefClear(&src);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
qemuMonitor *
|
|
qemuMonitorTestGetMonitor(qemuMonitorTest *test)
|
|
{
|
|
return test->mon;
|
|
}
|
|
|
|
|
|
qemuAgent *
|
|
qemuMonitorTestGetAgent(qemuMonitorTest *test)
|
|
{
|
|
return test->agent;
|
|
}
|
|
|
|
|
|
virDomainObj *
|
|
qemuMonitorTestGetDomainObj(qemuMonitorTest *test)
|
|
{
|
|
return test->vm;
|
|
}
|