[libvirt] [PATCH v2 13/20] qemu: Implement virSaveCookie object and callbacks

This patch implements a new save cookie object and callbacks for qemu driver. The actual useful content will be added in the object later. Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com&gt; Reviewed-by: Pavel Hrdina <phrdina(a)redhat.com&gt; --- Notes: Version 2: - no change src/qemu/qemu_conf.c | 2 +- src/qemu/qemu_domain.c | 79 ++++++++++++++++++++++++++++++++++++++++++++++++-- src/qemu/qemu_domain.h | 9 ++++++ 3 files changed, 86 insertions(+), 4 deletions(-) diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c index d02e776b0..73c33d678 100644 --- a/src/qemu/qemu_conf.c +++ b/src/qemu/qemu_conf.c @@ -911,7 +911,7 @@ virQEMUDriverCreateXMLConf(virQEMUDriverPtr driver) &virQEMUDriverPrivateDataCallbacks, &virQEMUDriverDomainXMLNamespace, &virQEMUDriverDomainABIStability, - NULL); + &virQEMUDriverDomainSaveCookie); } diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index 814232164..80e9fea98 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -122,11 +122,13 @@ struct _qemuDomainLogContext { }; static virClassPtr qemuDomainLogContextClass; +static virClassPtr qemuDomainSaveCookieClass; static void qemuDomainLogContextDispose(void *obj); +static void qemuDomainSaveCookieDispose(void *obj); static int -qemuDomainLogContextOnceInit(void) +qemuDomainOnceInit(void) { if (!(qemuDomainLogContextClass = virClassNew(virClassForObject(), "qemuDomainLogContext", @@ -134,10 +136,16 @@ qemuDomainLogContextOnceInit(void) qemuDomainLogContextDispose))) return -1; + if (!(qemuDomainSaveCookieClass = virClassNew(virClassForObject(), + "qemuDomainSaveCookie", + sizeof(qemuDomainSaveCookie), + qemuDomainSaveCookieDispose))) + return -1; + return 0; } -VIR_ONCE_GLOBAL_INIT(qemuDomainLogContext) +VIR_ONCE_GLOBAL_INIT(qemuDomain) static void qemuDomainLogContextDispose(void *obj) @@ -4554,7 +4562,7 @@ qemuDomainLogContextPtr qemuDomainLogContextNew(virQEMUDriverPtr driver, virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver); qemuDomainLogContextPtr ctxt = NULL; - if (qemuDomainLogContextInitialize() < 0) + if (qemuDomainInitialize() < 0) goto cleanup; if (!(ctxt = virObjectNew(qemuDomainLogContextClass))) @@ -9105,3 +9113,68 @@ qemuDomainGetStorageSourceByDevstr(const char *devstr, VIR_FREE(target); return src; } + + +static void +qemuDomainSaveCookieDispose(void *obj) +{ + qemuDomainSaveCookiePtr cookie = obj; + + VIR_DEBUG("cookie=%p", cookie); +} + + +qemuDomainSaveCookiePtr +qemuDomainSaveCookieNew(virDomainObjPtr vm ATTRIBUTE_UNUSED) +{ + qemuDomainSaveCookiePtr cookie = NULL; + + if (qemuDomainInitialize() < 0) + goto error; + + if (!(cookie = virObjectNew(qemuDomainSaveCookieClass))) + goto error; + + VIR_DEBUG("Save cookie %p", cookie); + + return cookie; + + error: + virObjectUnref(cookie); + return NULL; +} + + +static int +qemuDomainSaveCookieParse(xmlXPathContextPtr ctxt ATTRIBUTE_UNUSED, + virObjectPtr *obj) +{ + qemuDomainSaveCookiePtr cookie = NULL; + + if (qemuDomainInitialize() < 0) + goto error; + + if (!(cookie = virObjectNew(qemuDomainSaveCookieClass))) + goto error; + + *obj = (virObjectPtr) cookie; + return 0; + + error: + virObjectUnref(cookie); + return -1; +} + + +static int +qemuDomainSaveCookieFormat(virBufferPtr buf ATTRIBUTE_UNUSED, + virObjectPtr obj ATTRIBUTE_UNUSED) +{ + return 0; +} + + +virSaveCookieCallbacks virQEMUDriverDomainSaveCookie = { + .parse = qemuDomainSaveCookieParse, + .format = qemuDomainSaveCookieFormat, +}; diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h index d0e2e0628..cc2e21bdf 100644 --- a/src/qemu/qemu_domain.h +++ b/src/qemu/qemu_domain.h @@ -416,6 +416,14 @@ struct qemuProcessEvent { typedef struct _qemuDomainLogContext qemuDomainLogContext; typedef qemuDomainLogContext *qemuDomainLogContextPtr; +typedef struct _qemuDomainSaveCookie qemuDomainSaveCookie; +typedef qemuDomainSaveCookie *qemuDomainSaveCookiePtr; +struct _qemuDomainSaveCookie { + virObject parent; +}; + +qemuDomainSaveCookiePtr qemuDomainSaveCookieNew(virDomainObjPtr vm); + const char *qemuDomainAsyncJobPhaseToString(qemuDomainAsyncJob job, int phase); int qemuDomainAsyncJobPhaseFromString(qemuDomainAsyncJob job, @@ -638,6 +646,7 @@ extern virDomainXMLPrivateDataCallbacks virQEMUDriverPrivateDataCallbacks; extern virDomainXMLNamespace virQEMUDriverDomainXMLNamespace; extern virDomainDefParserConfig virQEMUDriverDomainDefParserConfig; extern virDomainABIStability virQEMUDriverDomainABIStability; +extern virSaveCookieCallbacks virQEMUDriverDomainSaveCookie; int qemuDomainUpdateDeviceList(virQEMUDriverPtr driver, virDomainObjPtr vm, int asyncJob); -- 2.13.0