[libvirt] [PATCH 5/6] qemu: stop passing in virConnectPtr for looking up networks
John Ferlan
jferlan at redhat.com
Tue Feb 13 17:36:14 UTC 2018
On 02/09/2018 12:24 PM, Daniel P. Berrangé wrote:
> When setting up graphics, we sometimes need to resolve networks,
> requiring the caller to pass in a virConnectPtr, except sometimes they
> pass in NULL. Use virGetConnectNetwork() to acquire the connection to
> the network driver when it is needed.
>
> Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
> ---
> src/qemu/qemu_driver.c | 2 +-
> src/qemu/qemu_migration.c | 2 +-
> src/qemu/qemu_process.c | 38 ++++++++++++++++++--------------------
> src/qemu/qemu_process.h | 6 ++----
> 4 files changed, 22 insertions(+), 26 deletions(-)
>
and qemuxml2argvtest fails to compile here...
John
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index 4533996201..c44b1f8793 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -7222,7 +7222,7 @@ static char *qemuConnectDomainXMLToNative(virConnectPtr conn,
> net->script = script;
> }
>
> - if (!(cmd = qemuProcessCreatePretendCmd(conn, driver, vm, NULL,
> + if (!(cmd = qemuProcessCreatePretendCmd(driver, vm, NULL,
> qemuCheckFips(), true,
> VIR_QEMU_PROCESS_START_COLD)))
> goto cleanup;
> diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
> index d202e87fbe..312d717617 100644
> --- a/src/qemu/qemu_migration.c
> +++ b/src/qemu/qemu_migration.c
> @@ -2752,7 +2752,7 @@ qemuMigrationPrepareAny(virQEMUDriverPtr driver,
> dataFD[0])))
> goto stopjob;
>
> - if (qemuProcessPrepareDomain(dconn, driver, vm, startFlags) < 0)
> + if (qemuProcessPrepareDomain(driver, vm, startFlags) < 0)
> goto stopjob;
>
> if (qemuProcessPrepareHost(driver, vm, startFlags) < 0)
> diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
> index 27454fb583..703d62d3e9 100644
> --- a/src/qemu/qemu_process.c
> +++ b/src/qemu/qemu_process.c
> @@ -4327,10 +4327,10 @@ qemuProcessGraphicsAllocatePorts(virQEMUDriverPtr driver,
> }
>
> static int
> -qemuProcessGetNetworkAddress(virConnectPtr conn,
> - const char *netname,
> +qemuProcessGetNetworkAddress(const char *netname,
> char **netaddr)
> {
> + virConnectPtr conn = NULL;
> int ret = -1;
> virNetworkPtr net;
> virNetworkDefPtr netdef = NULL;
> @@ -4341,6 +4341,10 @@ qemuProcessGetNetworkAddress(virConnectPtr conn,
> char *xml = NULL;
>
> *netaddr = NULL;
> +
> + if (!(conn = virGetConnectNetwork()))
> + return -1;
> +
> net = virNetworkLookupByName(conn, netname);
> if (!net)
> goto cleanup;
> @@ -4407,14 +4411,14 @@ qemuProcessGetNetworkAddress(virConnectPtr conn,
> cleanup:
> virNetworkDefFree(netdef);
> virObjectUnref(net);
> + virObjectUnref(conn);
> VIR_FREE(xml);
> return ret;
> }
>
>
> static int
> -qemuProcessGraphicsSetupNetworkAddress(virConnectPtr conn,
> - virDomainGraphicsListenDefPtr glisten,
> +qemuProcessGraphicsSetupNetworkAddress(virDomainGraphicsListenDefPtr glisten,
> const char *listenAddr)
> {
> int rc;
> @@ -4426,7 +4430,7 @@ qemuProcessGraphicsSetupNetworkAddress(virConnectPtr conn,
> return 0;
> }
>
> - rc = qemuProcessGetNetworkAddress(conn, glisten->network, &glisten->address);
> + rc = qemuProcessGetNetworkAddress(glisten->network, &glisten->address);
> if (rc <= -2) {
> virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> _("network-based listen isn't possible, "
> @@ -4441,8 +4445,7 @@ qemuProcessGraphicsSetupNetworkAddress(virConnectPtr conn,
>
>
> static int
> -qemuProcessGraphicsSetupListen(virConnectPtr conn,
> - virQEMUDriverPtr driver,
> +qemuProcessGraphicsSetupListen(virQEMUDriverPtr driver,
> virDomainGraphicsDefPtr graphics,
> virDomainObjPtr vm)
> {
> @@ -4500,8 +4503,7 @@ qemuProcessGraphicsSetupListen(virConnectPtr conn,
> if (glisten->address || !listenAddr)
> continue;
>
> - if (qemuProcessGraphicsSetupNetworkAddress(conn,
> - glisten,
> + if (qemuProcessGraphicsSetupNetworkAddress(glisten,
> listenAddr) < 0)
> goto cleanup;
> break;
> @@ -4530,8 +4532,7 @@ qemuProcessGraphicsSetupListen(virConnectPtr conn,
>
>
> static int
> -qemuProcessSetupGraphics(virConnectPtr conn,
> - virQEMUDriverPtr driver,
> +qemuProcessSetupGraphics(virQEMUDriverPtr driver,
> virDomainObjPtr vm,
> unsigned int flags)
> {
> @@ -4543,7 +4544,7 @@ qemuProcessSetupGraphics(virConnectPtr conn,
> for (i = 0; i < vm->def->ngraphics; i++) {
> graphics = vm->def->graphics[i];
>
> - if (qemuProcessGraphicsSetupListen(conn, driver, graphics, vm) < 0)
> + if (qemuProcessGraphicsSetupListen(driver, graphics, vm) < 0)
> goto cleanup;
> }
>
> @@ -5625,7 +5626,6 @@ qemuProcessPrepareAllowReboot(virDomainObjPtr vm)
>
> /**
> * qemuProcessPrepareDomain:
> - * @conn: connection object (for looking up storage volumes)
> * @driver: qemu driver
> * @vm: domain object
> * @flags: qemuProcessStartFlags
> @@ -5640,8 +5640,7 @@ qemuProcessPrepareAllowReboot(virDomainObjPtr vm)
> * TODO: move all XML modification from qemuBuildCommandLine into this function
> */
> int
> -qemuProcessPrepareDomain(virConnectPtr conn,
> - virQEMUDriverPtr driver,
> +qemuProcessPrepareDomain(virQEMUDriverPtr driver,
> virDomainObjPtr vm,
> unsigned int flags)
> {
> @@ -5698,7 +5697,7 @@ qemuProcessPrepareDomain(virConnectPtr conn,
> goto cleanup;
>
> VIR_DEBUG("Setting graphics devices");
> - if (qemuProcessSetupGraphics(conn, driver, vm, flags) < 0)
> + if (qemuProcessSetupGraphics(driver, vm, flags) < 0)
> goto cleanup;
>
> VIR_DEBUG("Create domain masterKey");
> @@ -6329,7 +6328,7 @@ qemuProcessStart(virConnectPtr conn,
> goto stop;
> }
>
> - if (qemuProcessPrepareDomain(conn, driver, vm, flags) < 0)
> + if (qemuProcessPrepareDomain(driver, vm, flags) < 0)
> goto stop;
>
> if (qemuProcessPrepareHost(driver, vm, flags) < 0)
> @@ -6386,8 +6385,7 @@ qemuProcessStart(virConnectPtr conn,
>
>
> virCommandPtr
> -qemuProcessCreatePretendCmd(virConnectPtr conn,
> - virQEMUDriverPtr driver,
> +qemuProcessCreatePretendCmd(virQEMUDriverPtr driver,
> virDomainObjPtr vm,
> const char *migrateURI,
> bool enableFips,
> @@ -6407,7 +6405,7 @@ qemuProcessCreatePretendCmd(virConnectPtr conn,
> !!migrateURI, flags) < 0)
> goto cleanup;
>
> - if (qemuProcessPrepareDomain(conn, driver, vm, flags) < 0)
> + if (qemuProcessPrepareDomain(driver, vm, flags) < 0)
> goto cleanup;
>
> VIR_DEBUG("Building emulator command line");
> diff --git a/src/qemu/qemu_process.h b/src/qemu/qemu_process.h
> index 42f92eb458..1bc1203c18 100644
> --- a/src/qemu/qemu_process.h
> +++ b/src/qemu/qemu_process.h
> @@ -92,8 +92,7 @@ int qemuProcessStart(virConnectPtr conn,
> virNetDevVPortProfileOp vmop,
> unsigned int flags);
>
> -virCommandPtr qemuProcessCreatePretendCmd(virConnectPtr conn,
> - virQEMUDriverPtr driver,
> +virCommandPtr qemuProcessCreatePretendCmd(virQEMUDriverPtr driver,
> virDomainObjPtr vm,
> const char *migrateURI,
> bool enableFips,
> @@ -107,8 +106,7 @@ int qemuProcessInit(virQEMUDriverPtr driver,
> bool migration,
> unsigned int flags);
>
> -int qemuProcessPrepareDomain(virConnectPtr conn,
> - virQEMUDriverPtr driver,
> +int qemuProcessPrepareDomain(virQEMUDriverPtr driver,
> virDomainObjPtr vm,
> unsigned int flags);
>
>
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