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rpc: virnetserverclient: Introduce new attribute conn_time to client

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Besides ID, libvirt should provide several parameters to help the user
distinguish two clients from each other. One of them is the connection
timestamp. This patch also adds a testcase for proper JSON formatting of the
new attribute too (proper formatting of older clients that did not support
this attribute yet is included in the existing tests) - in order to
testGenerateJSON to work, a mock of time_t time(time_t *timer) needed to be
created.

Signed-off-by: Erik Skultety <eskultet@redhat.com>
This commit is contained in:
Erik Skultety 2016-04-12 19:21:43 +02:00
parent 5841d64d25
commit a32135b3b1
7 changed files with 228 additions and 4 deletions
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46
src/rpc/virnetserverclient.c
View File

@ -85,6 +85,13 @@ struct _virNetServerClient
virIdentityPtr identity;
/* Connection timestamp, i.e. when a client connected to the daemon (UTC).
* For old clients restored by post-exec-restart, which did not have this
* attribute, value of 0 (epoch time) is used to indicate we have no
* information about their connection time.
*/
time_t conn_time;
/* Count of messages in the 'tx' queue,
* and the server worker pool queue
* ie RPC calls in progress. Does not count
@ -355,7 +362,8 @@ virNetServerClientNewInternal(unsigned long long id,
virNetTLSContextPtr tls,
#endif
bool readonly,
size_t nrequests_max)
size_t nrequests_max,
time_t timestamp)
{
virNetServerClientPtr client;
@ -373,6 +381,7 @@ virNetServerClientNewInternal(unsigned long long id,
client->tlsCtxt = virObjectRef(tls);
#endif
client->nrequests_max = nrequests_max;
client->conn_time = timestamp;
client->sockTimer = virEventAddTimeout(-1, virNetServerClientSockTimerFunc,
client, NULL);
@ -413,6 +422,7 @@ virNetServerClientPtr virNetServerClientNew(unsigned long long id,
void *privOpaque)
{
virNetServerClientPtr client;
time_t now;
VIR_DEBUG("sock=%p auth=%d tls=%p", sock, auth,
#ifdef WITH_GNUTLS
@ -422,11 +432,17 @@ virNetServerClientPtr virNetServerClientNew(unsigned long long id,
#endif
);
if ((now = time(NULL)) == (time_t) - 1) {
virReportSystemError(errno, "%s", _("failed to get current time"));
return NULL;
}
if (!(client = virNetServerClientNewInternal(id, sock, auth,
#ifdef WITH_GNUTLS
tls,
#endif
readonly, nrequests_max)))
readonly, nrequests_max,
now)))
return NULL;
if (privNew) {
@ -456,6 +472,7 @@ virNetServerClientPtr virNetServerClientNewPostExecRestart(virJSONValuePtr objec
bool readonly;
unsigned int nrequests_max;
unsigned long long id;
time_t timestamp;
if (virJSONValueObjectGetNumberInt(object, "auth", &auth) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
@ -492,6 +509,18 @@ virNetServerClientPtr virNetServerClientNewPostExecRestart(virJSONValuePtr objec
}
}
if (!virJSONValueObjectHasKey(object, "conn_time")) {
timestamp = 0;
} else {
if (virJSONValueObjectGetNumberLong(object, "conn_time",
(long long *) &timestamp) < 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;
@ -504,7 +533,8 @@ virNetServerClientPtr virNetServerClientNewPostExecRestart(virJSONValuePtr objec
NULL,
#endif
readonly,
nrequests_max))) {
nrequests_max,
timestamp))) {
virObjectUnref(sock);
return NULL;
}
@ -552,6 +582,11 @@ virJSONValuePtr virNetServerClientPreExecRestart(virNetServerClientPtr client)
if (virJSONValueObjectAppendNumberUint(object, "nrequests_max", client->nrequests_max) < 0)
goto error;
if (client->conn_time &&
virJSONValueObjectAppendNumberLong(object, "conn_time",
client->conn_time) < 0)
goto error;
if (!(child = virNetSocketPreExecRestart(client->sock)))
goto error;
@ -610,6 +645,11 @@ unsigned long long virNetServerClientGetID(virNetServerClientPtr client)
return client->id;
}
long long virNetServerClientGetTimestamp(virNetServerClientPtr client)
{
return client->conn_time;
}
#ifdef WITH_GNUTLS
bool virNetServerClientHasTLSSession(virNetServerClientPtr client)
{

1
src/rpc/virnetserverclient.h
View File

@ -82,6 +82,7 @@ int virNetServerClientGetAuth(virNetServerClientPtr client);
void virNetServerClientSetAuth(virNetServerClientPtr client, int auth);
bool virNetServerClientGetReadonly(virNetServerClientPtr client);
unsigned long long virNetServerClientGetID(virNetServerClientPtr client);
long long virNetServerClientGetTimestamp(virNetServerClientPtr client);
# ifdef WITH_GNUTLS
bool virNetServerClientHasTLSSession(virNetServerClientPtr client);

7
tests/Makefile.am
View File

@ -408,6 +408,7 @@ EXTRA_DIST += $(test_scripts)
test_libraries = libshunload.la \
virportallocatormock.la \
virnetdaemonmock.la \
virnetserverclientmock.la \
vircgroupmock.la \
virpcimock.la \
@ -927,6 +928,12 @@ virnetdaemontest_SOURCES = \
virnetdaemontest_CFLAGS = $(XDR_CFLAGS) $(AM_CFLAGS)
virnetdaemontest_LDADD = $(LDADDS)
virnetdaemonmock_la_SOURCES = \
virnetdaemonmock.c
virnetdaemonmock_la_CFLAGS = $(AM_CFLAGS)
virnetdaemonmock_la_LDFLAGS = $(MOCKLIBS_LDFLAGS)
virnetdaemonmock_la_LIBADD = $(MOCKLIBS_LIBS)
virnetserverclienttest_SOURCES = \
virnetserverclienttest.c \
testutils.h testutils.c

70
tests/virnetdaemondata/input-data-client-timestamp.json Normal file
View File

@ -0,0 +1,70 @@
{
"servers": {
"testServer0": {
"min_workers": 10,
"max_workers": 50,
"priority_workers": 5,
"max_clients": 100,
"max_anonymous_clients": 10,
"keepaliveInterval": 120,
"keepaliveCount": 5,
"next_client_id": 3,
"services": [
{
"auth": 0,
"readonly": true,
"nrequests_client_max": 2,
"socks": [
{
"fd": 100,
"errfd": -1,
"pid": 0,
"isClient": false
}
]
},
{
"auth": 2,
"readonly": false,
"nrequests_client_max": 5,
"socks": [
{
"fd": 101,
"errfd": -1,
"pid": 0,
"isClient": false
}
]
}
],
"clients": [
{
"id": 1,
"auth": 1,
"readonly": true,
"nrequests_max": 15,
"conn_time": 1234567890,
"sock": {
"fd": 102,
"errfd": -1,
"pid": -1,
"isClient": true
}
},
{
"id": 2,
"auth": 2,
"readonly": true,
"nrequests_max": 66,
"conn_time": 1234567890,
"sock": {
"fd": 103,
"errfd": -1,
"pid": -1,
"isClient": true
}
}
]
}
}
}

70
tests/virnetdaemondata/output-data-client-timestamp.json Normal file
View File

@ -0,0 +1,70 @@
{
"servers": {
"testServer0": {
"min_workers": 10,
"max_workers": 50,
"priority_workers": 5,
"max_clients": 100,
"max_anonymous_clients": 10,
"keepaliveInterval": 120,
"keepaliveCount": 5,
"next_client_id": 3,
"services": [
{
"auth": 0,
"readonly": true,
"nrequests_client_max": 2,
"socks": [
{
"fd": 100,
"errfd": -1,
"pid": 0,
"isClient": false
}
]
},
{
"auth": 2,
"readonly": false,
"nrequests_client_max": 5,
"socks": [
{
"fd": 101,
"errfd": -1,
"pid": 0,
"isClient": false
}
]
}
],
"clients": [
{
"id": 1,
"auth": 1,
"readonly": true,
"nrequests_max": 15,
"conn_time": 1234567890,
"sock": {
"fd": 102,
"errfd": -1,
"pid": -1,
"isClient": true
}
},
{
"id": 2,
"auth": 2,
"readonly": true,
"nrequests_max": 66,
"conn_time": 1234567890,
"sock": {
"fd": 103,
"errfd": -1,
"pid": -1,
"isClient": true
}
}
]
}
}
}

34
tests/virnetdaemonmock.c Normal file
View File

@ -0,0 +1,34 @@
/*
* Copyright (C) 2016 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Erik Skultety <eskultet@redhat.com>
*/
#include <config.h>
#include "internal.h"
#include <time.h>
#define VIR_FROM_THIS VIR_FROM_NONE
time_t time(time_t *t)
{
const time_t ret = 1234567890;
if (t)
*t = ret;
return ret;
}

4
tests/virnetdaemontest.c
View File

@ -339,15 +339,17 @@ mymain(void)
EXEC_RESTART_TEST("admin-server-names", 2);
EXEC_RESTART_TEST("no-keepalive-required", 2);
EXEC_RESTART_TEST("client-ids", 1);
EXEC_RESTART_TEST("client-timestamp", 1);
EXEC_RESTART_TEST_FAIL("anon-clients", 2);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIRT_TEST_MAIN_PRELOAD(mymain, abs_builddir "/.libs/virnetdaemonmock.so")
#else
static int
mymain(void)
{
return EXIT_AM_SKIP;
}
#endif
VIRT_TEST_MAIN(mymain);
#endif