static int
testStorageChain(const void *args)
{
const struct testChainData *data = args;
int ret = -1;
virStorageSourcePtr meta;
virStorageSourcePtr elt;
size_t i = 0;
char *broken = NULL;
bool isAbs = !!(data->flags & ABS_START);
meta = testStorageFileGetMetadata(data->start, data->format, -1, -1,
(data->flags & ALLOW_PROBE) != 0);
if (!meta) {
if (data->flags & EXP_FAIL) {
virResetLastError();
ret = 0;
}
goto cleanup;
} else if (data->flags & EXP_FAIL) {
fprintf(stderr, "call should have failed\n");
goto cleanup;
}
if (data->flags & EXP_WARN) {
if (!virGetLastError()) {
fprintf(stderr, "call should have warned\n");
goto cleanup;
}
virResetLastError();
if (virStorageFileChainGetBroken(meta, &broken) || !broken) {
fprintf(stderr, "call should identify broken part of chain\n");
goto cleanup;
}
} else {
if (virGetLastError()) {
fprintf(stderr, "call should not have warned\n");
goto cleanup;
}
if (virStorageFileChainGetBroken(meta, &broken) || broken) {
fprintf(stderr, "chain should not be identified as broken\n");
goto cleanup;
}
}
elt = meta;
while (elt) {
char *expect = NULL;
char *actual = NULL;
const char *expPath;
const char *expRelDir;
if (i == data->nfiles) {
fprintf(stderr, "probed chain was too long\n");
goto cleanup;
}
expPath = isAbs ? data->files[i]->pathAbs
: data->files[i]->pathRel;
expRelDir = isAbs ? data->files[i]->relDirAbs
: data->files[i]->relDirRel;
if (virAsprintf(&expect,
"store:%s\nraw:%s\nother:%lld %d\n"
"relPath:%s\npath:%s\nrelDir:%s\ntype:%d %d\n",
NULLSTR(data->files[i]->expBackingStore),
NULLSTR(data->files[i]->expBackingStoreRaw),
data->files[i]->expCapacity,
data->files[i]->expEncrypted,
NULLSTR(expPath),
NULLSTR(data->files[i]->path),
NULLSTR(expRelDir),
data->files[i]->type,
data->files[i]->format) < 0 ||
virAsprintf(&actual,
"store:%s\nraw:%s\nother:%lld %d\n"
"relPath:%s\npath:%s\nrelDir:%s\ntype:%d %d\n",
NULLSTR(elt->backingStore ? elt->backingStore->path : NULL),
NULLSTR(elt->backingStoreRaw),
elt->capacity, !!elt->encryption,
NULLSTR(elt->relPath),
NULLSTR(elt->path),
NULLSTR(elt->relDir),
elt->type, elt->format) < 0) {
VIR_FREE(expect);
VIR_FREE(actual);
goto cleanup;
}
if (STRNEQ(expect, actual)) {
fprintf(stderr, "chain member %zu", i);
virtTestDifference(stderr, expect, actual);
VIR_FREE(expect);
VIR_FREE(actual);
goto cleanup;
}
VIR_FREE(expect);
VIR_FREE(actual);
elt = elt->backingStore;
i++;
}
if (i != data->nfiles) {
fprintf(stderr, "probed chain was too short\n");
goto cleanup;
}
ret = 0;
cleanup:
VIR_FREE(broken);
virStorageSourceFree(meta);
return ret;
}
static int
mymain(void)
{
int ret;
virCommandPtr cmd = NULL;
struct testChainData data;
virStorageSourcePtr chain = NULL;
/* Prep some files with qemu-img; if that is not found on PATH, or
* if it lacks support for qcow2 and qed, skip this test. */
if ((ret = testPrepImages()) != 0)
return ret;
#define TEST_ONE_CHAIN(id, start, format, flags, ...) \
do { \
size_t i; \
memset(&data, 0, sizeof(data)); \
data = (struct testChainData){ \
start, format, { __VA_ARGS__ }, 0, flags, \
}; \
for (i = 0; i < ARRAY_CARDINALITY(data.files); i++) \
if (data.files[i]) \
data.nfiles++; \
if (virtTestRun("Storage backing chain " id, \
testStorageChain, &data) < 0) \
ret = -1; \
} while (0)
#define VIR_FLATTEN_2(...) __VA_ARGS__
#define VIR_FLATTEN_1(_1) VIR_FLATTEN_2 _1
#define TEST_CHAIN(id, relstart, absstart, format, chain1, flags1, \
chain2, flags2, chain3, flags3, chain4, flags4) \
do { \
TEST_ONE_CHAIN(#id "a", relstart, format, flags1, \
VIR_FLATTEN_1(chain1)); \
TEST_ONE_CHAIN(#id "b", relstart, format, flags2, \
VIR_FLATTEN_1(chain2)); \
TEST_ONE_CHAIN(#id "c", absstart, format, flags3 | ABS_START,\
VIR_FLATTEN_1(chain3)); \
TEST_ONE_CHAIN(#id "d", absstart, format, flags4 | ABS_START,\
VIR_FLATTEN_1(chain4)); \
} while (0)
/* The actual tests, in several groups. */
/* Missing file */
TEST_ONE_CHAIN("0", "bogus", VIR_STORAGE_FILE_RAW, EXP_FAIL);
/* Raw image, whether with right format or no specified format */
testFileData raw = {
.pathRel = "raw",
.pathAbs = canonraw,
.path = canonraw,
.relDirRel = ".",
.relDirAbs = datadir,
.type = VIR_STORAGE_TYPE_FILE,
.format = VIR_STORAGE_FILE_RAW,
};
TEST_CHAIN(1, "raw", absraw, VIR_STORAGE_FILE_RAW,
(&raw), EXP_PASS,
(&raw), ALLOW_PROBE | EXP_PASS,
(&raw), EXP_PASS,
(&raw), ALLOW_PROBE | EXP_PASS);
TEST_CHAIN(2, "raw", absraw, VIR_STORAGE_FILE_AUTO,
(&raw), EXP_PASS,
(&raw), ALLOW_PROBE | EXP_PASS,
(&raw), EXP_PASS,
(&raw), ALLOW_PROBE | EXP_PASS);
/* Qcow2 file with relative raw backing, format provided */
raw.pathAbs = "raw";
testFileData qcow2 = {
.expBackingStore = canonraw,
.expBackingStoreRaw = "raw",
.expCapacity = 1024,
.pathRel = "qcow2",
.pathAbs = canonqcow2,
.path = canonqcow2,
.relDirRel = ".",
.relDirAbs = datadir,
.type = VIR_STORAGE_TYPE_FILE,
.format = VIR_STORAGE_FILE_QCOW2,
};
testFileData qcow2_as_raw = {
.pathRel = "qcow2",
.pathAbs = canonqcow2,
.path = canonqcow2,
.relDirRel = ".",
.relDirAbs = datadir,
.type = VIR_STORAGE_TYPE_FILE,
.format = VIR_STORAGE_FILE_RAW,
};
TEST_CHAIN(3, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
(&qcow2, &raw), EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS,
(&qcow2, &raw), EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS);
TEST_CHAIN(4, "qcow2", absqcow2, VIR_STORAGE_FILE_AUTO,
(&qcow2_as_raw), EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS,
(&qcow2_as_raw), EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS);
/* Rewrite qcow2 file to use absolute backing name */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "raw", "-b", absraw, "qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
qcow2.expBackingStoreRaw = absraw;
raw.pathRel = absraw;
raw.pathAbs = absraw;
raw.relDirRel = datadir;
/* Qcow2 file with raw as absolute backing, backing format provided */
TEST_CHAIN(5, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
(&qcow2, &raw), EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS,
(&qcow2, &raw), EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS);
TEST_CHAIN(6, "qcow2", absqcow2, VIR_STORAGE_FILE_AUTO,
(&qcow2_as_raw), EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS,
(&qcow2_as_raw), EXP_PASS,
(&qcow2, &raw), ALLOW_PROBE | EXP_PASS);
/* Wrapped file access */
testFileData wrap = {
.expBackingStore = canonqcow2,
.expBackingStoreRaw = absqcow2,
.expCapacity = 1024,
.pathRel = "wrap",
.pathAbs = abswrap,
.path = canonwrap,
.relDirRel = ".",
.relDirAbs = datadir,
.type = VIR_STORAGE_TYPE_FILE,
.format = VIR_STORAGE_FILE_QCOW2,
};
qcow2.pathRel = absqcow2;
qcow2.relDirRel = datadir;
TEST_CHAIN(7, "wrap", abswrap, VIR_STORAGE_FILE_QCOW2,
(&wrap, &qcow2, &raw), EXP_PASS,
(&wrap, &qcow2, &raw), ALLOW_PROBE | EXP_PASS,
(&wrap, &qcow2, &raw), EXP_PASS,
(&wrap, &qcow2, &raw), ALLOW_PROBE | EXP_PASS);
/* Rewrite qcow2 and wrap file to omit backing file type */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-b", absraw, "qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-b", absqcow2, "wrap", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
qcow2_as_raw.pathRel = absqcow2;
qcow2_as_raw.relDirRel = datadir;
/* Qcow2 file with raw as absolute backing, backing format omitted */
testFileData wrap_as_raw = {
.expBackingStore = canonqcow2,
.expBackingStoreRaw = absqcow2,
.expCapacity = 1024,
.pathRel = "wrap",
.pathAbs = abswrap,
.path = canonwrap,
.relDirRel = ".",
.relDirAbs = datadir,
.type = VIR_STORAGE_TYPE_FILE,
.format = VIR_STORAGE_FILE_QCOW2,
};
TEST_CHAIN(8, "wrap", abswrap, VIR_STORAGE_FILE_QCOW2,
(&wrap_as_raw, &qcow2_as_raw), EXP_PASS,
(&wrap, &qcow2, &raw), ALLOW_PROBE | EXP_PASS,
(&wrap_as_raw, &qcow2_as_raw), EXP_PASS,
(&wrap, &qcow2, &raw), ALLOW_PROBE | EXP_PASS);
/* Rewrite qcow2 to a missing backing file, with backing type */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "qcow2", "-b", datadir "/bogus",
"qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
qcow2.expBackingStore = NULL;
qcow2.expBackingStoreRaw = datadir "/bogus";
qcow2.pathRel = "qcow2";
qcow2.relDirRel = ".";
/* Qcow2 file with missing backing file but specified type */
TEST_CHAIN(9, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
(&qcow2), EXP_WARN,
(&qcow2), ALLOW_PROBE | EXP_WARN,
(&qcow2), EXP_WARN,
(&qcow2), ALLOW_PROBE | EXP_WARN);
/* Rewrite qcow2 to a missing backing file, without backing type */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-b", datadir "/bogus", "qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
/* Qcow2 file with missing backing file and no specified type */
TEST_CHAIN(10, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
(&qcow2), EXP_WARN,
(&qcow2), ALLOW_PROBE | EXP_WARN,
(&qcow2), EXP_WARN,
(&qcow2), ALLOW_PROBE | EXP_WARN);
/* Rewrite qcow2 to use an nbd: protocol as backend */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "raw", "-b", "nbd:example.org:6000",
"qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
qcow2.expBackingStore = "nbd:example.org:6000";
qcow2.expBackingStoreRaw = "nbd:example.org:6000";
/* Qcow2 file with backing protocol instead of file */
testFileData nbd = {
.pathRel = "nbd:example.org:6000",
.pathAbs = "nbd:example.org:6000",
.path = "nbd:example.org:6000",
.type = VIR_STORAGE_TYPE_NETWORK,
.format = VIR_STORAGE_FILE_RAW,
};
TEST_CHAIN(11, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
(&qcow2, &nbd), EXP_PASS,
(&qcow2, &nbd), ALLOW_PROBE | EXP_PASS,
(&qcow2, &nbd), EXP_PASS,
(&qcow2, &nbd), ALLOW_PROBE | EXP_PASS);
/* qed file */
testFileData qed = {
.expBackingStore = canonraw,
.expBackingStoreRaw = absraw,
.expCapacity = 1024,
.pathRel = "qed",
.pathAbs = absqed,
.path = canonqed,
.relDirRel = ".",
.relDirAbs = datadir,
.type = VIR_STORAGE_TYPE_FILE,
.format = VIR_STORAGE_FILE_QED,
};
testFileData qed_as_raw = {
.pathRel = "qed",
.pathAbs = absqed,
.path = canonqed,
.relDirRel = ".",
.relDirAbs = datadir,
.type = VIR_STORAGE_TYPE_FILE,
.format = VIR_STORAGE_FILE_RAW,
};
TEST_CHAIN(12, "qed", absqed, VIR_STORAGE_FILE_AUTO,
(&qed_as_raw), EXP_PASS,
(&qed, &raw), ALLOW_PROBE | EXP_PASS,
(&qed_as_raw), EXP_PASS,
(&qed, &raw), ALLOW_PROBE | EXP_PASS);
/* directory */
testFileData dir = {
.pathRel = "dir",
.pathAbs = absdir,
.path = canondir,
.relDirRel = ".",
.relDirAbs = datadir,
.type = VIR_STORAGE_TYPE_DIR,
.format = VIR_STORAGE_FILE_DIR,
};
TEST_CHAIN(13, "dir", absdir, VIR_STORAGE_FILE_AUTO,
(&dir), EXP_PASS,
(&dir), ALLOW_PROBE | EXP_PASS,
(&dir), EXP_PASS,
(&dir), ALLOW_PROBE | EXP_PASS);
TEST_CHAIN(14, "dir", absdir, VIR_STORAGE_FILE_DIR,
(&dir), EXP_PASS,
(&dir), ALLOW_PROBE | EXP_PASS,
(&dir), EXP_PASS,
(&dir), ALLOW_PROBE | EXP_PASS);
#ifdef HAVE_SYMLINK
/* Rewrite qcow2 and wrap file to use backing names relative to a
* symlink from a different directory */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "raw", "-b", "../raw", "qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "qcow2", "-b", "../sub/link1", "wrap",
NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
/* Behavior of symlinks to qcow2 with relative backing files */
testFileData link1 = {
.expBackingStore = canonraw,
.expBackingStoreRaw = "../raw",
.expCapacity = 1024,
.pathRel = "../sub/link1",
.pathAbs = "../sub/link1",
.path = canonqcow2,
.relDirRel = "sub/../sub",
.relDirAbs = datadir "/sub/../sub",
.type = VIR_STORAGE_TYPE_FILE,
.format = VIR_STORAGE_FILE_QCOW2,
};
testFileData link2 = {
.expBackingStore = canonqcow2,
.expBackingStoreRaw = "../sub/link1",
.expCapacity = 1024,
.pathRel = "sub/link2",
.pathAbs = abslink2,
.path = canonwrap,
.relDirRel = "sub",
.relDirAbs = datadir "/sub",
.type = VIR_STORAGE_TYPE_FILE,
.format = VIR_STORAGE_FILE_QCOW2,
};
raw.pathRel = "../raw";
raw.pathAbs = "../raw";
raw.relDirRel = "sub/../sub/..";
raw.relDirAbs = datadir "/sub/../sub/..";
TEST_CHAIN(15, "sub/link2", abslink2, VIR_STORAGE_FILE_QCOW2,
(&link2, &link1, &raw), EXP_PASS,
(&link2, &link1, &raw), ALLOW_PROBE | EXP_PASS,
(&link2, &link1, &raw), EXP_PASS,
(&link2, &link1, &raw), ALLOW_PROBE | EXP_PASS);
#endif
/* Rewrite qcow2 to be a self-referential loop */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "qcow2", "-b", "qcow2", "qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
qcow2.expBackingStore = NULL;
qcow2.expBackingStoreRaw = "qcow2";
/* Behavior of an infinite loop chain */
TEST_CHAIN(16, "qcow2", absqcow2, VIR_STORAGE_FILE_QCOW2,
(&qcow2), EXP_WARN,
(&qcow2), ALLOW_PROBE | EXP_WARN,
(&qcow2), EXP_WARN,
(&qcow2), ALLOW_PROBE | EXP_WARN);
/* Rewrite wrap and qcow2 to be mutually-referential loop */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "qcow2", "-b", "wrap", "qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "qcow2", "-b", absqcow2, "wrap", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
qcow2.expBackingStoreRaw = "wrap";
qcow2.pathRel = absqcow2;
qcow2.relDirRel = datadir;
/* Behavior of an infinite loop chain */
TEST_CHAIN(17, "wrap", abswrap, VIR_STORAGE_FILE_QCOW2,
(&wrap, &qcow2), EXP_WARN,
(&wrap, &qcow2), ALLOW_PROBE | EXP_WARN,
(&wrap, &qcow2), EXP_WARN,
(&wrap, &qcow2), ALLOW_PROBE | EXP_WARN);
/* Rewrite wrap and qcow2 back to 3-deep chain, absolute backing */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "qcow2", "-b", absraw, "qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
/* Test behavior of chain lookups, absolute backing from relative start */
chain = testStorageFileGetMetadata("wrap", VIR_STORAGE_FILE_QCOW2,
-1, -1, false);
if (!chain) {
ret = -1;
goto cleanup;
}
#define TEST_LOOKUP_TARGET(id, target, name, index, result, meta, parent) \
do { \
struct testLookupData data2 = { chain, target, name, index, \
result, meta, parent, }; \
if (virtTestRun("Chain lookup " #id, \
testStorageLookup, &data2) < 0) \
ret = -1; \
} while (0)
#define TEST_LOOKUP(id, name, result, meta, parent) \
TEST_LOOKUP_TARGET(id, NULL, name, 0, result, meta, parent)
TEST_LOOKUP(0, "bogus", NULL, NULL, NULL);
TEST_LOOKUP(1, "wrap", chain->path, chain, NULL);
TEST_LOOKUP(2, abswrap, chain->path, chain, NULL);
TEST_LOOKUP(3, "qcow2", chain->backingStore->path, chain->backingStore,
chain->path);
TEST_LOOKUP(4, absqcow2, chain->backingStore->path, chain->backingStore,
chain->path);
TEST_LOOKUP(5, "raw", chain->backingStore->backingStore->path,
chain->backingStore->backingStore, chain->backingStore->path);
TEST_LOOKUP(6, absraw, chain->backingStore->backingStore->path,
chain->backingStore->backingStore, chain->backingStore->path);
TEST_LOOKUP(7, NULL, chain->backingStore->backingStore->path,
chain->backingStore->backingStore, chain->backingStore->path);
/* Rewrite wrap and qcow2 back to 3-deep chain, relative backing */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "raw", "-b", "raw", "qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "qcow2", "-b", "qcow2", "wrap", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
/* Test behavior of chain lookups, relative backing from absolute start */
virStorageSourceFree(chain);
chain = testStorageFileGetMetadata(abswrap, VIR_STORAGE_FILE_QCOW2,
-1, -1, false);
if (!chain) {
ret = -1;
goto cleanup;
}
TEST_LOOKUP(8, "bogus", NULL, NULL, NULL);
TEST_LOOKUP(9, "wrap", chain->path, chain, NULL);
TEST_LOOKUP(10, abswrap, chain->path, chain, NULL);
TEST_LOOKUP(11, "qcow2", chain->backingStore->path, chain->backingStore,
chain->path);
TEST_LOOKUP(12, absqcow2, chain->backingStore->path, chain->backingStore,
chain->path);
TEST_LOOKUP(13, "raw", chain->backingStore->backingStore->path,
chain->backingStore->backingStore, chain->backingStore->path);
TEST_LOOKUP(14, absraw, chain->backingStore->backingStore->path,
chain->backingStore->backingStore, chain->backingStore->path);
TEST_LOOKUP(15, NULL, chain->backingStore->backingStore->path,
chain->backingStore->backingStore, chain->backingStore->path);
/* Use link to wrap with cross-directory relative backing */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "qcow2", "-b", "../qcow2", "wrap", NULL);
if (virCommandRun(cmd, NULL) < 0)
ret = -1;
/* Test behavior of chain lookups, relative backing */
virStorageSourceFree(chain);
chain = testStorageFileGetMetadata("sub/link2", VIR_STORAGE_FILE_QCOW2,
-1, -1, false);
if (!chain) {
ret = -1;
goto cleanup;
}
TEST_LOOKUP(16, "bogus", NULL, NULL, NULL);
TEST_LOOKUP(17, "sub/link2", chain->path, chain, NULL);
TEST_LOOKUP(18, "wrap", chain->path, chain, NULL);
TEST_LOOKUP(19, abswrap, chain->path, chain, NULL);
TEST_LOOKUP(20, "../qcow2", chain->backingStore->path, chain->backingStore,
chain->path);
TEST_LOOKUP(21, "qcow2", NULL, NULL, NULL);
TEST_LOOKUP(22, absqcow2, chain->backingStore->path, chain->backingStore,
chain->path);
TEST_LOOKUP(23, "raw", chain->backingStore->backingStore->path,
chain->backingStore->backingStore, chain->backingStore->path);
TEST_LOOKUP(24, absraw, chain->backingStore->backingStore->path,
chain->backingStore->backingStore, chain->backingStore->path);
TEST_LOOKUP(25, NULL, chain->backingStore->backingStore->path,
chain->backingStore->backingStore, chain->backingStore->path);
TEST_LOOKUP_TARGET(26, "vda", "bogus[1]", 0, NULL, NULL, NULL);
TEST_LOOKUP_TARGET(27, "vda", "vda[-1]", 0, NULL, NULL, NULL);
TEST_LOOKUP_TARGET(28, "vda", "vda[1][1]", 0, NULL, NULL, NULL);
TEST_LOOKUP_TARGET(29, "vda", "wrap", 0, chain->path, chain, NULL);
TEST_LOOKUP_TARGET(30, "vda", "vda[0]", 0, NULL, NULL, NULL);
TEST_LOOKUP_TARGET(31, "vda", "vda[1]", 1,
chain->backingStore->path,
chain->backingStore,
chain->path);
TEST_LOOKUP_TARGET(32, "vda", "vda[2]", 2,
chain->backingStore->backingStore->path,
chain->backingStore->backingStore,
chain->backingStore->path);
TEST_LOOKUP_TARGET(33, "vda", "vda[3]", 3, NULL, NULL, NULL);
cleanup:
/* Final cleanup */
virStorageSourceFree(chain);
testCleanupImages();
virCommandFree(cmd);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIRT_TEST_MAIN(mymain)
static int
testStorageChain(const void *args)
{
const struct testChainData *data = args;
int ret = -1;
virStorageSourcePtr meta;
virStorageSourcePtr elt;
size_t i = 0;
char *broken = NULL;
meta = testStorageFileGetMetadata(data->start, data->format, -1, -1,
(data->flags & ALLOW_PROBE) != 0);
if (!meta) {
if (data->flags & EXP_FAIL) {
virResetLastError();
ret = 0;
}
goto cleanup;
} else if (data->flags & EXP_FAIL) {
fprintf(stderr, "call should have failed\n");
goto cleanup;
}
if (data->flags & EXP_WARN) {
if (!virGetLastError()) {
fprintf(stderr, "call should have warned\n");
goto cleanup;
}
virResetLastError();
if (virStorageFileChainGetBroken(meta, &broken) || !broken) {
fprintf(stderr, "call should identify broken part of chain\n");
goto cleanup;
}
} else {
if (virGetLastError()) {
fprintf(stderr, "call should not have warned\n");
goto cleanup;
}
if (virStorageFileChainGetBroken(meta, &broken) || broken) {
fprintf(stderr, "chain should not be identified as broken\n");
goto cleanup;
}
}
elt = meta;
while (elt) {
char *expect = NULL;
char *actual = NULL;
if (i == data->nfiles) {
fprintf(stderr, "probed chain was too long\n");
goto cleanup;
}
if (virAsprintf(&expect,
testStorageChainFormat, i,
NULLSTR(data->files[i]->path),
NULLSTR(data->files[i]->expBackingStoreRaw),
data->files[i]->expCapacity,
data->files[i]->expEncrypted,
NULLSTR(data->files[i]->pathRel),
data->files[i]->type,
data->files[i]->format,
virStorageNetProtocolTypeToString(data->files[i]->protocol),
NULLSTR(data->files[i]->hostname),
NULLSTR(data->files[i]->secret)) < 0 ||
virAsprintf(&actual,
testStorageChainFormat, i,
NULLSTR(elt->path),
NULLSTR(elt->backingStoreRaw),
elt->capacity,
!!elt->encryption,
NULLSTR(elt->relPath),
elt->type,
elt->format,
virStorageNetProtocolTypeToString(elt->protocol),
NULLSTR(elt->nhosts ? elt->hosts[0].name : NULL),
NULLSTR(elt->auth ? elt->auth->username : NULL)) < 0) {
VIR_FREE(expect);
VIR_FREE(actual);
goto cleanup;
}
if (STRNEQ(expect, actual)) {
virtTestDifference(stderr, expect, actual);
VIR_FREE(expect);
VIR_FREE(actual);
goto cleanup;
}
VIR_FREE(expect);
VIR_FREE(actual);
elt = elt->backingStore;
i++;
}
if (i != data->nfiles) {
fprintf(stderr, "probed chain was too short\n");
goto cleanup;
}
ret = 0;
cleanup:
VIR_FREE(broken);
virStorageSourceFree(meta);
return ret;
}