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interface: Implement driver methods for network config transaction API

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This is the functionality at the end of the libvirt part of the call
chain - for each function, the corresponding netcf API is called.
This commit is contained in:
Michal Privoznik 2011-05-06 14:54:53 +02:00 committed by Laine Stump
parent 761d1880be
commit 9c6000579b
2 changed files with 83 additions and 0 deletions
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5
configure.ac
View File

@ -1491,6 +1491,11 @@ if test "$with_netcf" = "yes" || test "$with_netcf" = "check"; then
if test "$with_netcf" = "yes" ; then
AC_DEFINE_UNQUOTED([WITH_NETCF], 1,
[whether libnetcf is available to configure physical host network interfaces])
AC_CHECK_LIB([netcf], [ncf_change_begin], [netcf_transactions=1], [netcf_transactions=0])
if test "$netcf_transactions" = "1" ; then
AC_DEFINE_UNQUOTED([HAVE_NETCF_TRANSACTIONS], 1,
[we have sufficiently new version of netcf for transaction network API])
fi
fi
fi
AM_CONDITIONAL([WITH_NETCF], [test "$with_netcf" = "yes"])

78
src/interface/netcf_driver.c
View File

@ -86,6 +86,11 @@ static int netcf_to_vir_err(int netcf_errcode)
case NETCF_EEXEC:
/* external program execution failed or returned non-0 */
return VIR_ERR_INTERNAL_ERROR;
#ifdef NETCF_EINVALIDOP
case NETCF_EINVALIDOP:
/* attempted operation is invalid while the system is in the current state. */
return VIR_ERR_OPERATION_INVALID;
#endif
default:
return VIR_ERR_INTERNAL_ERROR;
}
@ -540,6 +545,74 @@ cleanup:
return ret;
}
#ifdef HAVE_NETCF_TRANSACTIONS
static int interfaceChangeBegin(virConnectPtr conn, unsigned int flags)
{
struct interface_driver *driver = conn->interfacePrivateData;
int ret;
virCheckFlags(0, -1); /* currently flags must be 0 */
interfaceDriverLock(driver);
ret = ncf_change_begin(driver->netcf, 0);
if (ret < 0) {
const char *errmsg, *details;
int errcode = ncf_error(driver->netcf, &errmsg, &details);
interfaceReportError(netcf_to_vir_err(errcode),
_("failed to begin transaction: %s%s%s)"),
errmsg, details ? " - " : "", details ? details : "");
}
interfaceDriverUnlock(driver);
return ret;
}
static int interfaceChangeCommit(virConnectPtr conn, unsigned int flags)
{
struct interface_driver *driver = conn->interfacePrivateData;
int ret;
virCheckFlags(0, -1); /* currently flags must be 0 */
interfaceDriverLock(driver);
ret = ncf_change_commit(driver->netcf, 0);
if (ret < 0) {
const char *errmsg, *details;
int errcode = ncf_error(driver->netcf, &errmsg, &details);
interfaceReportError(netcf_to_vir_err(errcode),
_("failed to commit transaction: %s%s%s)"),
errmsg, details ? " - " : "", details ? details : "");
}
interfaceDriverUnlock(driver);
return ret;
}
static int interfaceChangeRollback(virConnectPtr conn, unsigned int flags)
{
struct interface_driver *driver = conn->interfacePrivateData;
int ret;
virCheckFlags(0, -1); /* currently flags must be 0 */
interfaceDriverLock(driver);
ret = ncf_change_rollback(driver->netcf, 0);
if (ret < 0) {
const char *errmsg, *details;
int errcode = ncf_error(driver->netcf, &errmsg, &details);
interfaceReportError(netcf_to_vir_err(errcode),
_("failed to rollback transaction: %s%s%s)"),
errmsg, details ? " - " : "", details ? details : "");
}
interfaceDriverUnlock(driver);
return ret;
}
#endif /* HAVE_NETCF_TRANSACTIONS */
static virInterfaceDriver interfaceDriver = {
"Interface",
.open = interfaceOpenInterface, /* 0.7.0 */
@ -556,6 +629,11 @@ static virInterfaceDriver interfaceDriver = {
.interfaceCreate = interfaceCreate, /* 0.7.0 */
.interfaceDestroy = interfaceDestroy, /* 0.7.0 */
.interfaceIsActive = interfaceIsActive, /* 0.7.3 */
#ifdef HAVE_NETCF_TRANSACTIONS
.interfaceChangeBegin = interfaceChangeBegin, /* 0.9.2 */
.interfaceChangeCommit = interfaceChangeCommit, /* 0.9.2 */
.interfaceChangeRollback = interfaceChangeRollback, /* 0.9.2 */
#endif /* HAVE_NETCF_TRANSACTIONS */
};
int interfaceRegister(void) {