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Added driver backends for ListDefinedDomains, NumOfDefinedDomains, DomainStart, DomainDefineXML, DomainUndefine & hooked up all related infrastructure

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This commit is contained in:
Daniel P. Berrange 2006-08-30 14:21:03 +00:00
parent c0b1a946a6
commit 25726a0ff4
11 changed files with 161 additions and 86 deletions
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17
ChangeLog
View File

@ -1,3 +1,16 @@
Tue Aug 29 23:48:43 CEST 2006 Daniel Veillard <veillard@redhat.com>
* src/driver.h: Defined new driver entry points for ListDefinedDomains,
NumOfDefinedDomains, DomainStart, DomainUndefine, DomainDefineXML.
* src/xen_internal.c, src/xend_internal.c, src/xs_internal.h,
src/test.c, src/proxy_internal.c: Added NULL entries for new driver
backend APIs.
* src/libvirt.c: Hook up new driver entry points to corresponding
public API.
* src/libvirt_sym.version: Added virConnectNumOfDefinedDomains and
previously missing virConnectListDefinedDomains
* include/libvirt/libvirt.h: Added virConnectNumOfDefinedDomains
Tue Aug 29 23:48:43 CEST 2006 Daniel Veillard <veillard@redhat.com>
* src/conf.c: add missing entry point virConfGetValue()
@ -17,10 +30,10 @@ Tue Aug 29 13:14:20 EDT 2006 Daniel Berrange <berrange@redhat.com>
* src/xend_internal.c: Add handling of HTTP 500 error code
which can be returned by XenD do indicate failure error when
performing the requested operation (Identified by Pete Vetere).
Tue Aug 29 15:41:46 CEST 2006 Daniel Veillard <veillard@redhat.com>
* python/libvir.c: Pete Vetere pointed out a bug in string cast
* python/libvir.c: Pete Vetere pointed out a bug in string cast
when handling errors in Python
Sat Aug 26 16:36:15 CEST 2006 Daniel Veillard <veillard@redhat.com>

3
include/libvirt/libvirt.h
View File

@ -297,7 +297,8 @@ char * virDomainGetXMLDesc (virDomainPtr domain,
virDomainPtr virDomainDefineXML (virConnectPtr conn,
const char *xml);
int virDomainUndefine (virDomainPtr domain);
int virConnectListDefinedDomains(virConnectPtr conn,
int virConnectNumOfDefinedDomains (virConnectPtr conn);
int virConnectListDefinedDomains (virConnectPtr conn,
const char **names,
int maxnames);
int virDomainCreate (virDomainPtr domain);

3
include/libvirt/libvirt.h.in
View File

@ -297,7 +297,8 @@ char * virDomainGetXMLDesc (virDomainPtr domain,
virDomainPtr virDomainDefineXML (virConnectPtr conn,
const char *xml);
int virDomainUndefine (virDomainPtr domain);
int virConnectListDefinedDomains(virConnectPtr conn,
int virConnectNumOfDefinedDomains (virConnectPtr conn);
int virConnectListDefinedDomains (virConnectPtr conn,
const char **names,
int maxnames);
int virDomainCreate (virDomainPtr domain);

18
src/driver.h
View File

@ -107,7 +107,18 @@ typedef int
typedef char *
(*virDrvDomainDumpXML) (virDomainPtr dom,
int flags);
typedef int
(*virDrvListDefinedDomains) (virConnectPtr conn,
const char **names,
int maxnames);
typedef int
(*virDrvNumOfDefinedDomains) (virConnectPtr conn);
typedef int
(*virDrvDomainCreate) (virDomainPtr dom);
typedef virDomainPtr
(*virDrvDomainDefineXML)(virConnectPtr conn, const char *xml);
typedef int
(*virDrvDomainUndefine) (virDomainPtr dom);
typedef int
(*virDrvDomainSetVcpus) (virDomainPtr domain,
unsigned int nvcpus);
@ -168,6 +179,11 @@ struct _virDriver {
virDrvDomainPinVcpu domainPinVcpu;
virDrvDomainGetVcpus domainGetVcpus;
virDrvDomainDumpXML domainDumpXML;
virDrvListDefinedDomains listDefinedDomains;
virDrvNumOfDefinedDomains numOfDefinedDomains;
virDrvDomainCreate domainCreate;
virDrvDomainDefineXML domainDefineXML;
virDrvDomainUndefine domainUndefine;
};

177
src/libvirt.c
View File

@ -1533,10 +1533,7 @@ virNodeGetInfo(virConnectPtr conn, virNodeInfoPtr info) {
virDomainPtr
virDomainDefineXML(virConnectPtr conn, const char *xml) {
virDomainPtr ret = NULL;
const char *name = NULL;
xmlDocPtr doc = NULL;
xmlXPathObjectPtr obj = NULL;
xmlXPathContextPtr ctxt = NULL;
int i;
if (!VIR_IS_CONNECT(conn)) {
virLibConnError(conn, VIR_ERR_INVALID_CONN, __FUNCTION__);
@ -1551,72 +1548,16 @@ virDomainDefineXML(virConnectPtr conn, const char *xml) {
return (NULL);
}
/*
* Check the XML description is at least well formed and extract the
* name.
* TODO: a full validation based on RNG for example should be done there
*/
doc = xmlReadMemory(xml, strlen(xml), "domain_define.xml", NULL, 0);
if (doc == NULL) {
virLibConnError(conn, VIR_ERR_XML_ERROR, __FUNCTION__);
goto done;
/* Go though the driver registered entry points */
for (i = 0;i < conn->nb_drivers;i++) {
if ((conn->drivers[i] != NULL) &&
(conn->drivers[i]->domainDefineXML != NULL)) {
ret = conn->drivers[i]->domainDefineXML(conn, xml);
if (ret)
return(ret);
}
}
ctxt = xmlXPathNewContext(doc);
if (ctxt == NULL) {
goto done;
}
obj = xmlXPathEval(BAD_CAST "string(/domain/name[1])", ctxt);
if ((obj == NULL) || (obj->type != XPATH_STRING) ||
(obj->stringval == NULL) || (obj->stringval[0] == 0)) {
virLibConnError(conn, VIR_ERR_NO_NAME, xml);
goto done;
}
name = (const char *) obj->stringval;
/*
* Now look it up in the domain pool and check it's not an already run
* domain.
*/
ret = virGetDomain(conn, name, NULL);
if (ret == NULL) {
goto done;
}
/*
* TODO: the lifecycle of domains, especially predefined ones need to be
* explicitely written down
*/
if (ret->handle != -1) {
virLibConnError(conn, VIR_ERR_DOM_EXIST, name);
virFreeDomain(conn, ret);
ret = NULL;
goto done;
}
if ((ret->uses > 1) && (!(ret->flags & DOMAIN_IS_DEFINED))) {
virLibConnError(conn, VIR_ERR_DOM_EXIST, name);
virFreeDomain(conn, ret);
ret = NULL;
goto done;
}
ret->flags |= DOMAIN_IS_DEFINED;
if (ret->xml != NULL) {
free(ret->xml);
}
ret->xml = strdup(xml);
if (ret->xml == NULL) {
virLibConnError(conn, VIR_ERR_INVALID_CONN, __FUNCTION__);
virFreeDomain(conn, ret);
ret = NULL;
goto done;
}
/* TODO shall we keep a list of defined domains there ? */
done:
if (obj != NULL)
xmlXPathFreeObject(obj);
if (ctxt != NULL)
xmlXPathFreeContext(ctxt);
if (doc != NULL)
xmlFreeDoc(doc);
return(ret);
}
@ -1630,23 +1571,62 @@ done:
*/
int
virDomainUndefine(virDomainPtr domain) {
int ret;
int ret, i;
virConnectPtr conn;
if (!VIR_IS_CONNECTED_DOMAIN(domain)) {
virLibDomainError(domain, VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
return (-1);
}
if (domain->conn->flags & VIR_CONNECT_RO) {
conn = domain->conn;
if (conn->flags & VIR_CONNECT_RO) {
virLibDomainError(domain, VIR_ERR_OPERATION_DENIED, __FUNCTION__);
return (-1);
}
/* TODO shall we keep a list of defined domains there ? */
/* Go though the driver registered entry points */
for (i = 0;i < conn->nb_drivers;i++) {
if ((conn->drivers[i] != NULL) &&
(conn->drivers[i]->domainUndefine != NULL)) {
ret = conn->drivers[i]->domainUndefine(domain);
if (ret >= 0)
return(ret);
}
}
ret = virFreeDomain(domain->conn, domain);
if (ret < 0)
return(-1);
return(0);
return(-1);
}
/**
* virConnectNumOfDefinedDomains:
* @conn: pointer to the hypervisor connection
*
* Provides the number of active domains.
*
* Returns the number of domain found or -1 in case of error
*/
int
virConnectNumOfDefinedDomains(virConnectPtr conn)
{
int ret = -1;
int i;
if (!VIR_IS_CONNECT(conn)) {
virLibConnError(conn, VIR_ERR_INVALID_CONN, __FUNCTION__);
return (-1);
}
/* Go though the driver registered entry points */
for (i = 0;i < conn->nb_drivers;i++) {
if ((conn->drivers[i] != NULL) &&
(conn->drivers[i]->numOfDefinedDomains != NULL)) {
ret = conn->drivers[i]->numOfDefinedDomains(conn);
if (ret >= 0)
return(ret);
}
}
return(-1);
}
/**
@ -1662,8 +1642,30 @@ virDomainUndefine(virDomainPtr domain) {
int
virConnectListDefinedDomains(virConnectPtr conn, const char **names,
int maxnames) {
TODO
return(-1);
int ret = -1;
int i;
if (!VIR_IS_CONNECT(conn)) {
virLibConnError(conn, VIR_ERR_INVALID_CONN, __FUNCTION__);
return (-1);
}
if ((names == NULL) || (maxnames <= 0)) {
virLibConnError(conn, VIR_ERR_INVALID_ARG, __FUNCTION__);
return (-1);
}
/* Go though the driver registered entry points */
for (i = 0;i < conn->nb_drivers;i++) {
if ((conn->drivers[i] != NULL) &&
(conn->drivers[i]->listDefinedDomains != NULL)) {
ret = conn->drivers[i]->listDefinedDomains(conn, names, maxnames);
if (ret >= 0)
return(ret);
}
}
return (-1);
}
/**
@ -1677,16 +1679,31 @@ virConnectListDefinedDomains(virConnectPtr conn, const char **names,
*/
int
virDomainCreate(virDomainPtr domain) {
int i, ret = -1;
virConnectPtr conn;
if (domain == NULL) {
TODO
return (-1);
}
if (!VIR_IS_CONNECTED_DOMAIN(domain)) {
virLibDomainError(domain, VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
return (-1);
}
if (domain->conn->flags & VIR_CONNECT_RO) {
conn = domain->conn;
if (conn->flags & VIR_CONNECT_RO) {
virLibDomainError(domain, VIR_ERR_OPERATION_DENIED, __FUNCTION__);
return (-1);
}
return(-1);
for (i = 0;i < conn->nb_drivers;i++) {
if ((conn->drivers[i] != NULL) &&
(conn->drivers[i]->domainCreate != NULL)) {
ret = conn->drivers[i]->domainCreate(domain);
if (ret == 0)
return(ret);
}
}
return(ret);
}
/**

4
src/libvirt_sym.version
View File

@ -33,7 +33,9 @@
virDomainShutdown;
virDomainReboot;
virDomainSuspend;
virDomainUndefine;
virConnectListDefinedDomains;
virConnectNumOfDefinedDomains;
virDomainUndefine;
virGetVersion;
virCopyLastError;
virConnSetErrorFunc;

5
src/proxy_internal.c
View File

@ -77,6 +77,11 @@ static virDriver xenProxyDriver = {
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
xenProxyDomainDumpXML, /* domainDumpXML */
NULL, /* listDefinedDomains */
NULL, /* numOfDefinedDomains */
NULL, /* domainCreate */
NULL, /* domainDefineXML */
NULL, /* domainUndefine */
};
/**

5
src/test.c
View File

@ -58,6 +58,11 @@ static virDriver testDriver = {
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
testDomainDumpXML, /* domainDumpXML */
NULL, /* listDefinedDomains */
NULL, /* numOfDefinedDomains */
NULL, /* domainCreate */
NULL, /* domainDefineXML */
NULL, /* domainUndefine */
};
/* Amount of time it takes to shutdown */

5
src/xen_internal.c
View File

@ -94,6 +94,11 @@ static virDriver xenHypervisorDriver = {
xenHypervisorPinVcpu, /* domainPinVcpu */
xenHypervisorGetVcpus, /* domainGetVcpus */
NULL, /* domainDumpXML */
NULL, /* listDefinedDomains */
NULL, /* numOfDefinedDomains */
NULL, /* domainCreate */
NULL, /* domainDefineXML */
NULL, /* domainUndefine */
};
#endif /* !PROXY */

5
src/xend_internal.c
View File

@ -88,6 +88,11 @@ static virDriver xenDaemonDriver = {
xenDaemonDomainPinVcpu, /* domainPinVcpu */
xenDaemonDomainGetVcpus, /* domainGetVcpus */
xenDaemonDomainDumpXML, /* domainDumpXML */
NULL, /* listDefinedDomains */
NULL, /* numOfDefinedDomains */
NULL, /* domainCreate */
NULL, /* domainDefineXML */
NULL, /* domainUndefine */
};
/**

5
src/xs_internal.c
View File

@ -70,6 +70,11 @@ static virDriver xenStoreDriver = {
NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */
NULL, /* domainDumpXML */
NULL, /* listDefinedDomains */
NULL, /* numOfDefinedDomains */
NULL, /* domainCreate */
NULL, /* domainDefineXML */
NULL, /* domainUndefine */
};
/**