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qemu: Make virQEMUCapsNewForBinary usable from tests
virQEMUCapsNewForBinary unconditionally loads data from cache and probes using both QMP and -help parsing, which is suboptimal when we want to use it in tests. Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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@ -3713,11 +3713,13 @@ virQEMUCapsLogProbeFailure(const char *binary)
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}
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virQEMUCapsPtr virQEMUCapsNewForBinary(const char *binary,
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const char *libDir,
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const char *cacheDir,
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uid_t runUid,
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gid_t runGid)
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virQEMUCapsPtr
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virQEMUCapsNewForBinaryInternal(const char *binary,
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const char *libDir,
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const char *cacheDir,
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uid_t runUid,
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gid_t runGid,
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bool qmpOnly)
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{
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virQEMUCapsPtr qemuCaps;
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struct stat sb;
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@ -3749,7 +3751,9 @@ virQEMUCapsPtr virQEMUCapsNewForBinary(const char *binary,
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goto error;
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}
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if ((rv = virQEMUCapsInitCached(qemuCaps, cacheDir)) < 0)
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if (!cacheDir)
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rv = 0;
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else if ((rv = virQEMUCapsInitCached(qemuCaps, cacheDir)) < 0)
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goto error;
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if (rv == 0) {
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@ -3758,13 +3762,22 @@ virQEMUCapsPtr virQEMUCapsNewForBinary(const char *binary,
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goto error;
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}
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if (qmpOnly && !qemuCaps->usedQMP) {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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_("Failed to probe QEMU binary with QMP: %s"),
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qmperr ? qmperr : _("unknown error"));
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virQEMUCapsLogProbeFailure(binary);
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goto error;
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}
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if (!qemuCaps->usedQMP &&
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virQEMUCapsInitHelp(qemuCaps, runUid, runGid, qmperr) < 0) {
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virQEMUCapsLogProbeFailure(binary);
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goto error;
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}
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if (virQEMUCapsRememberCached(qemuCaps, cacheDir) < 0)
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if (cacheDir &&
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virQEMUCapsRememberCached(qemuCaps, cacheDir) < 0)
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goto error;
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}
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@ -3778,6 +3791,17 @@ virQEMUCapsPtr virQEMUCapsNewForBinary(const char *binary,
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return NULL;
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}
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virQEMUCapsPtr
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virQEMUCapsNewForBinary(const char *binary,
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const char *libDir,
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const char *cacheDir,
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uid_t runUid,
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gid_t runGid)
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{
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return virQEMUCapsNewForBinaryInternal(binary, libDir, cacheDir,
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runUid, runGid, false);
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}
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bool virQEMUCapsIsValid(virQEMUCapsPtr qemuCaps)
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{
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@ -37,4 +37,12 @@ struct _virQEMUCapsCache {
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gid_t runGid;
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};
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virQEMUCapsPtr
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virQEMUCapsNewForBinaryInternal(const char *binary,
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const char *libDir,
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const char *cacheDir,
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uid_t runUid,
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gid_t runGid,
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bool qmpOnly);
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#endif
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