提交 6113d4e1 编写于 作者: R Richard W.M. Jones

Wed Jul 4 14:17:00 BST 2007 Richard W.M. Jones <rjones@redhat.com>

	* src/xm_internal.c: configCache not getting refilled if the
	  connection was closed (affected the remote case mainly),
	  and error messages added to xenXMConfigCacheRefresh.
上级 9cd40549
Wed Jul 4 14:17:00 BST 2007 Richard W.M. Jones <rjones@redhat.com>
* src/xm_internal.c: configCache not getting refilled if the
connection was closed (affected the remote case mainly),
and error messages added to xenXMConfigCacheRefresh.
Wed Jul 4 10:14:00 BST 2007 Richard W.M. Jones <rjones@redhat.com>
* src/conf.c, src/test.c, src/xen_internal.c: Readd checking
......
......@@ -27,6 +27,8 @@
#include <time.h>
#include <sys/stat.h>
#include <limits.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <stdint.h>
......@@ -326,13 +328,14 @@ static int xenXMConfigReaper(const void *payload, const char *key ATTRIBUTE_UNUS
environment variable) and process any domain configs. It
has rate-limited so never rescans more frequently than
once every X seconds */
static int xenXMConfigCacheRefresh(void) {
static int xenXMConfigCacheRefresh (virConnectPtr conn) {
DIR *dh;
struct dirent *ent;
time_t now = time(NULL);
int ret = -1;
if (now == ((time_t)-1)) {
xenXMError (conn, VIR_ERR_SYSTEM_ERROR, strerror (errno));
return (-1);
}
......@@ -344,6 +347,7 @@ static int xenXMConfigCacheRefresh(void) {
/* Process the files in the config dir */
if (!(dh = opendir(configDir))) {
xenXMError (conn, VIR_ERR_SYSTEM_ERROR, strerror (errno));
return (-1);
}
......@@ -418,6 +422,7 @@ static int xenXMConfigCacheRefresh(void) {
} else { /* Completely new entry */
newborn = 1;
if (!(entry = malloc(sizeof(xenXMConfCache)))) {
xenXMError (conn, VIR_ERR_NO_MEMORY, strerror (errno));
goto cleanup;
}
memcpy(entry->filename, path, PATH_MAX);
......@@ -439,6 +444,7 @@ static int xenXMConfigCacheRefresh(void) {
virHashRemoveEntry(configCache, path, NULL);
}
free(entry);
xenXMError (conn, VIR_ERR_INTERNAL_ERROR, "xenXMConfigCacheRefresh: name");
goto cleanup;
}
......@@ -448,6 +454,7 @@ static int xenXMConfigCacheRefresh(void) {
if (virHashAddEntry(configCache, entry->filename, entry) < 0) {
virConfFree(entry->conf);
free(entry);
xenXMError (conn, VIR_ERR_INTERNAL_ERROR, "xenXMConfigCacheRefresh: virHashAddEntry");
goto cleanup;
}
}
......@@ -489,7 +496,7 @@ int
xenXMOpen (virConnectPtr conn ATTRIBUTE_UNUSED,
const char *name ATTRIBUTE_UNUSED, int flags ATTRIBUTE_UNUSED)
{
if (nconnections == 0) {
if (configCache == NULL) {
configCache = virHashCreate(50);
if (!configCache)
return (-1);
......@@ -499,6 +506,10 @@ xenXMOpen (virConnectPtr conn ATTRIBUTE_UNUSED,
configCache = NULL;
return (-1);
}
/* Force the cache to be reloaded next time that
* xenXMConfigCacheRefresh is called.
*/
lastRefresh = 0;
}
nconnections++;
......@@ -510,7 +521,8 @@ xenXMOpen (virConnectPtr conn ATTRIBUTE_UNUSED,
* last connection
*/
int xenXMClose(virConnectPtr conn ATTRIBUTE_UNUSED) {
if (!nconnections--) {
nconnections--;
if (nconnections <= 0) {
virHashFree(nameConfigMap, NULL);
nameConfigMap = NULL;
virHashFree(configCache, xenXMConfigFree);
......@@ -1211,7 +1223,7 @@ virDomainPtr xenXMDomainLookupByName(virConnectPtr conn, const char *domname) {
return (NULL);
}
if (xenXMConfigCacheRefresh() < 0)
if (xenXMConfigCacheRefresh (conn) < 0)
return (NULL);
if (!(filename = virHashLookup(nameConfigMap, domname)))
......@@ -1274,7 +1286,7 @@ virDomainPtr xenXMDomainLookupByUUID(virConnectPtr conn,
return (NULL);
}
if (xenXMConfigCacheRefresh() < 0)
if (xenXMConfigCacheRefresh (conn) < 0)
return (NULL);
if (!(entry = virHashSearch(configCache, xenXMDomainSearchForUUID, (const void *)uuid))) {
......@@ -2115,7 +2127,7 @@ virDomainPtr xenXMDomainDefineXML(virConnectPtr conn, const char *xml) {
if (conn->flags & VIR_CONNECT_RO)
return (NULL);
if (xenXMConfigCacheRefresh() < 0)
if (xenXMConfigCacheRefresh (conn) < 0)
return (NULL);
if (!(conf = xenXMParseXMLToConfig(conn, xml)))
......@@ -2296,7 +2308,7 @@ int xenXMListDefinedDomains(virConnectPtr conn, char **const names, int maxnames
return (-1);
}
if (xenXMConfigCacheRefresh() < 0)
if (xenXMConfigCacheRefresh (conn) < 0)
return (-1);
if (maxnames > virHashSize(configCache))
......@@ -2321,7 +2333,7 @@ int xenXMNumOfDefinedDomains(virConnectPtr conn) {
return (-1);
}
if (xenXMConfigCacheRefresh() < 0)
if (xenXMConfigCacheRefresh (conn) < 0)
return (-1);
return virHashSize(nameConfigMap);
......
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