/**
* Test that we can create a MiniDFSCluster and shut it down.
*/
int main(void) {
struct NativeMiniDfsCluster* cl;
cl = nmdCreate(&conf);
EXPECT_NONNULL(cl);
EXPECT_ZERO(nmdWaitClusterUp(cl));
EXPECT_ZERO(nmdShutdown(cl));
nmdFree(cl);
return 0;
}
/**
* Test that we can write a file with libhdfs and then read it back
*/
int main(int argc, const char *args[])
{
int i, tlhNumThreads;
const char *tlhNumThreadsStr;
struct tlhThreadInfo ti[TLH_MAX_THREADS];
if (argc != 2) {
fprintf(stderr, "usage: test_libwebhdfs_threaded <username>\n");
exit(1);
}
user = args[1];
struct NativeMiniDfsConf conf = {
.doFormat = 1, .webhdfsEnabled = 1, .namenodeHttpPort = 50070,
};
cluster = nmdCreate(&conf);
EXPECT_NONNULL(cluster);
EXPECT_ZERO(nmdWaitClusterUp(cluster));
tlhNumThreadsStr = getenv("TLH_NUM_THREADS");
if (!tlhNumThreadsStr) {
tlhNumThreadsStr = "3";
}
tlhNumThreads = atoi(tlhNumThreadsStr);
if ((tlhNumThreads <= 0) || (tlhNumThreads > TLH_MAX_THREADS)) {
fprintf(stderr, "testLibHdfs: must have a number of threads "
"between 1 and %d inclusive, not %d\n",
TLH_MAX_THREADS, tlhNumThreads);
return EXIT_FAILURE;
}
memset(&ti[0], 0, sizeof(ti));
for (i = 0; i < tlhNumThreads; i++) {
ti[i].threadIdx = i;
}
for (i = 0; i < tlhNumThreads; i++) {
EXPECT_ZERO(pthread_create(&ti[i].thread, NULL,
testHdfsOperations, &ti[i]));
}
for (i = 0; i < tlhNumThreads; i++) {
EXPECT_ZERO(pthread_join(ti[i].thread, NULL));
}
EXPECT_ZERO(nmdShutdown(cluster));
nmdFree(cluster);
return checkFailures(ti, tlhNumThreads);
}
/**
* Test that we can write a file with libhdfs and then read it back
*/
int main(void)
{
int port;
struct NativeMiniDfsConf conf = {
1, /* doFormat */
0, /* webhdfsEnabled */
0, /* namenodeHttpPort */
1, /* configureShortCircuit */
};
char testFileName[TEST_FILE_NAME_LENGTH];
hdfsFS fs;
struct NativeMiniDfsCluster* cl;
struct hdfsBuilder *bld;
cl = nmdCreate(&conf);
EXPECT_NONNULL(cl);
EXPECT_ZERO(nmdWaitClusterUp(cl));
port = nmdGetNameNodePort(cl);
if (port < 0) {
fprintf(stderr, "TEST_ERROR: test_zerocopy: "
"nmdGetNameNodePort returned error %d\n", port);
return EXIT_FAILURE;
}
bld = hdfsNewBuilder();
EXPECT_NONNULL(bld);
EXPECT_ZERO(nmdConfigureHdfsBuilder(cl, bld));
hdfsBuilderSetForceNewInstance(bld);
hdfsBuilderConfSetStr(bld, "dfs.block.size",
TO_STR(TEST_ZEROCOPY_FULL_BLOCK_SIZE));
/* ensure that we'll always get our mmaps */
hdfsBuilderConfSetStr(bld, "dfs.client.read.shortcircuit.skip.checksum",
"true");
fs = hdfsBuilderConnect(bld);
EXPECT_NONNULL(fs);
EXPECT_ZERO(createZeroCopyTestFile(fs, testFileName,
TEST_FILE_NAME_LENGTH));
EXPECT_ZERO(doTestZeroCopyReads(fs, testFileName));
EXPECT_ZERO(hdfsDisconnect(fs));
EXPECT_ZERO(nmdShutdown(cl));
nmdFree(cl);
fprintf(stderr, "TEST_SUCCESS\n");
return EXIT_SUCCESS;
}
/**
* Test that we can write a file with libhdfs and then read it back
*/
int main(void)
{
int i, tlhNumThreads;
const char *tlhNumThreadsStr;
struct tlhThreadInfo ti[TLH_MAX_THREADS];
struct NativeMiniDfsConf conf = {
1, /* doFormat */
};
tlhNumThreadsStr = getenv("TLH_NUM_THREADS");
if (!tlhNumThreadsStr) {
tlhNumThreadsStr = "3";
}
tlhNumThreads = atoi(tlhNumThreadsStr);
if ((tlhNumThreads <= 0) || (tlhNumThreads > TLH_MAX_THREADS)) {
fprintf(stderr, "testLibHdfs: must have a number of threads "
"between 1 and %d inclusive, not %d\n",
TLH_MAX_THREADS, tlhNumThreads);
return EXIT_FAILURE;
}
memset(&ti[0], 0, sizeof(ti));
for (i = 0; i < tlhNumThreads; i++) {
ti[i].threadIdx = i;
}
tlhCluster = nmdCreate(&conf);
EXPECT_NONNULL(tlhCluster);
EXPECT_ZERO(nmdWaitClusterUp(tlhCluster));
for (i = 0; i < tlhNumThreads; i++) {
ti[i].theThread.start = testHdfsOperations;
ti[i].theThread.arg = &ti[i];
EXPECT_ZERO(threadCreate(&ti[i].theThread));
}
for (i = 0; i < tlhNumThreads; i++) {
EXPECT_ZERO(threadJoin(&ti[i].theThread));
}
EXPECT_ZERO(nmdShutdown(tlhCluster));
nmdFree(tlhCluster);
return checkFailures(ti, tlhNumThreads);
}
/**
* Test that we can start up fuse_dfs and do some stuff.
*/
int main(int argc, char **argv)
{
int ret, pret, status;
pid_t fusePid;
const char *mntPoint;
char mntTmp[PATH_MAX] = "";
struct NativeMiniDfsCluster* tlhCluster;
struct NativeMiniDfsConf conf = {
.doFormat = 1,
};
mntPoint = getenv("TLH_FUSE_MNT_POINT");
if (!mntPoint) {
if (createTempDir(mntTmp, sizeof(mntTmp), 0755)) {
fprintf(stderr, "FUSE_TEST: failed to create temporary directory for "
"fuse mount point.\n");
ret = EXIT_FAILURE;
goto done;
}
fprintf(stderr, "FUSE_TEST: creating mount point at '%s'\n", mntTmp);
mntPoint = mntTmp;
}
if (verifyFuseWorkload()) {
fprintf(stderr, "FUSE_TEST: failed to verify fuse workload on "
"local FS.\n");
ret = EXIT_FAILURE;
goto done_rmdir;
}
tlhCluster = nmdCreate(&conf);
if (!tlhCluster) {
ret = EXIT_FAILURE;
goto done_rmdir;
}
if (nmdWaitClusterUp(tlhCluster)) {
ret = EXIT_FAILURE;
goto done_nmd_shutdown;
}
ret = spawnFuseServer(argv[0], tlhCluster, mntPoint, &fusePid);
if (ret) {
fprintf(stderr, "FUSE_TEST: spawnFuseServer failed with error "
"code %d\n", ret);
ret = EXIT_FAILURE;
goto done_nmd_shutdown;
}
ret = waitForMount(mntPoint, 20);
if (ret) {
fprintf(stderr, "FUSE_TEST: waitForMount(%s) failed with error "
"code %d\n", mntPoint, ret);
cleanupFuse(mntPoint);
ret = EXIT_FAILURE;
goto done_nmd_shutdown;
}
ret = runFuseWorkload(mntPoint, "test");
if (ret) {
fprintf(stderr, "FUSE_TEST: runFuseWorkload failed with error "
"code %d\n", ret);
cleanupFuse(mntPoint);
ret = EXIT_FAILURE;
goto done_nmd_shutdown;
}
if (cleanupFuse(mntPoint)) {
fprintf(stderr, "FUSE_TEST: fuserMount -u %s failed with error "
"code %d\n", mntPoint, ret);
ret = EXIT_FAILURE;
goto done_nmd_shutdown;
}
alarm(120);
pret = waitpid(fusePid, &status, 0);
if (pret != fusePid) {
ret = errno;
fprintf(stderr, "FUSE_TEST: failed to wait for fusePid %d: "
"returned %d: error %d (%s)\n",
fusePid, pret, ret, strerror(ret));
ret = EXIT_FAILURE;
goto done_nmd_shutdown;
}
if (WIFEXITED(status)) {
ret = WEXITSTATUS(status);
if (ret) {
fprintf(stderr, "FUSE_TEST: fuse exited with failure status "
"%d!\n", ret);
ret = EXIT_FAILURE;
goto done_nmd_shutdown;
}
} else if (WIFSIGNALED(status)) {
ret = WTERMSIG(status);
if (ret != SIGTERM) {
fprintf(stderr, "FUSE_TEST: fuse exited with unexpected "
"signal %d!\n", ret);
ret = EXIT_FAILURE;
goto done_nmd_shutdown;
}
} else {
fprintf(stderr, "FUSE_TEST: fusermount exited with unknown exit type\n");
ret = EXIT_FAILURE;
goto done_nmd_shutdown;
}
ret = EXIT_SUCCESS;
done_nmd_shutdown:
EXPECT_ZERO(nmdShutdown(tlhCluster));
nmdFree(tlhCluster);
done_rmdir:
if (mntTmp[0]) {
rmdir(mntTmp);
}
done:
if (ret == EXIT_SUCCESS) {
fprintf(stderr, "FUSE_TEST: SUCCESS.\n");
} else {
fprintf(stderr, "FUSE_TEST: FAILURE!\n");
}
return ret;
}
int main(int argc, char **argv)
{
char buffer[32];
tSize num_written_bytes;
const char* slashTmp = "/tmp";
int nnPort;
char *rwTemplate, *rwTemplate2, *newDirTemplate,
*appendTemplate, *userTemplate, *rwPath = NULL;
const char* fileContents = "Hello, World!";
const char* nnHost = NULL;
if (argc != 2) {
fprintf(stderr, "usage: test_libwebhdfs_ops <username>\n");
exit(1);
}
struct NativeMiniDfsConf conf = {
.doFormat = 1, .webhdfsEnabled = 1, .namenodeHttpPort = 50070,
};
cluster = nmdCreate(&conf);
if (!cluster) {
fprintf(stderr, "Failed to create the NativeMiniDfsCluster.\n");
exit(1);
}
if (nmdWaitClusterUp(cluster)) {
fprintf(stderr, "Error when waiting for cluster to be ready.\n");
exit(1);
}
if (nmdGetNameNodeHttpAddress(cluster, &nnPort, &nnHost)) {
fprintf(stderr, "Error when retrieving namenode host address.\n");
exit(1);
}
hdfsFS fs = hdfsConnectAsUserNewInstance(nnHost, nnPort, argv[1]);
if(!fs) {
fprintf(stderr, "Oops! Failed to connect to hdfs!\n");
exit(-1);
}
{
// Write tests
rwTemplate = strdup("/tmp/helloWorldXXXXXX");
if (!rwTemplate) {
fprintf(stderr, "Failed to create rwTemplate!\n");
exit(1);
}
rwPath = mktemp(rwTemplate);
// hdfsOpenFile
hdfsFile writeFile = hdfsOpenFile(fs, rwPath,
O_WRONLY|O_CREAT, 0, 0, 0);
if(!writeFile) {
fprintf(stderr, "Failed to open %s for writing!\n", rwPath);
exit(1);
}
fprintf(stderr, "Opened %s for writing successfully...\n", rwPath);
// hdfsWrite
num_written_bytes = hdfsWrite(fs, writeFile, (void*)fileContents,
(int) strlen(fileContents) + 1);
if (num_written_bytes != strlen(fileContents) + 1) {
fprintf(stderr, "Failed to write correct number of bytes - "
"expected %d, got %d\n",
(int)(strlen(fileContents) + 1), (int) num_written_bytes);
exit(1);
}
fprintf(stderr, "Wrote %d bytes\n", num_written_bytes);
// hdfsTell
tOffset currentPos = -1;
if ((currentPos = hdfsTell(fs, writeFile)) == -1) {
fprintf(stderr,
"Failed to get current file position correctly. Got %"
PRId64 "!\n", currentPos);
exit(1);
}
fprintf(stderr, "Current position: %" PRId64 "\n", currentPos);
hdfsCloseFile(fs, writeFile);
// Done test write
}
sleep(1);
{
//Read tests
int available = 0, exists = 0;
// hdfsExists
exists = hdfsExists(fs, rwPath);
if (exists) {
fprintf(stderr, "Failed to validate existence of %s\n", rwPath);
exists = hdfsExists(fs, rwPath);
if (exists) {
fprintf(stderr,
"Still failed to validate existence of %s\n", rwPath);
exit(1);
}
}
hdfsFile readFile = hdfsOpenFile(fs, rwPath, O_RDONLY, 0, 0, 0);
if (!readFile) {
fprintf(stderr, "Failed to open %s for reading!\n", rwPath);
exit(1);
}
if (!hdfsFileIsOpenForRead(readFile)) {
fprintf(stderr, "hdfsFileIsOpenForRead: we just opened a file "
"with O_RDONLY, and it did not show up as 'open for "
"read'\n");
exit(1);
}
available = hdfsAvailable(fs, readFile);
fprintf(stderr, "hdfsAvailable: %d\n", available);
// hdfsSeek, hdfsTell
tOffset seekPos = 1;
if(hdfsSeek(fs, readFile, seekPos)) {
fprintf(stderr, "Failed to seek %s for reading!\n", rwPath);
exit(1);
}
tOffset currentPos = -1;
if((currentPos = hdfsTell(fs, readFile)) != seekPos) {
fprintf(stderr,
"Failed to get current file position correctly! Got %"
PRId64 "!\n", currentPos);
exit(1);
}
fprintf(stderr, "Current position: %" PRId64 "\n", currentPos);
if(hdfsSeek(fs, readFile, 0)) {
fprintf(stderr, "Failed to seek %s for reading!\n", rwPath);
exit(1);
}
// hdfsRead
memset(buffer, 0, sizeof(buffer));
tSize num_read_bytes = hdfsRead(fs, readFile, buffer, sizeof(buffer));
if (strncmp(fileContents, buffer, strlen(fileContents)) != 0) {
fprintf(stderr, "Failed to read (direct). "
"Expected %s but got %s (%d bytes)\n",
fileContents, buffer, num_read_bytes);
exit(1);
}
fprintf(stderr, "Read following %d bytes:\n%s\n",
num_read_bytes, buffer);
if (hdfsSeek(fs, readFile, 0L)) {
fprintf(stderr, "Failed to seek to file start!\n");
exit(1);
}
// hdfsPread
memset(buffer, 0, strlen(fileContents + 1));
num_read_bytes = hdfsPread(fs, readFile, 0, buffer, sizeof(buffer));
fprintf(stderr, "Read following %d bytes:\n%s\n",
num_read_bytes, buffer);
hdfsCloseFile(fs, readFile);
// Done test read
}
int totalResult = 0;
int result = 0;
{
//Generic file-system operations
char *srcPath = rwPath;
char buffer[256];
const char *resp;
rwTemplate2 = strdup("/tmp/helloWorld2XXXXXX");
if (!rwTemplate2) {
fprintf(stderr, "Failed to create rwTemplate2!\n");
exit(1);
}
char *dstPath = mktemp(rwTemplate2);
newDirTemplate = strdup("/tmp/newdirXXXXXX");
if (!newDirTemplate) {
fprintf(stderr, "Failed to create newDirTemplate!\n");
exit(1);
}
char *newDirectory = mktemp(newDirTemplate);
// hdfsRename
fprintf(stderr, "hdfsRename: %s\n",
((result = hdfsRename(fs, rwPath, dstPath)) ?
"Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsRename back: %s\n",
((result = hdfsRename(fs, dstPath, srcPath)) ?
"Failed!" : "Success!"));
totalResult += result;
// hdfsCreateDirectory
fprintf(stderr, "hdfsCreateDirectory: %s\n",
((result = hdfsCreateDirectory(fs, newDirectory)) ?
"Failed!" : "Success!"));
totalResult += result;
// hdfsSetReplication
fprintf(stderr, "hdfsSetReplication: %s\n",
((result = hdfsSetReplication(fs, srcPath, 1)) ?
"Failed!" : "Success!"));
totalResult += result;
// hdfsGetWorkingDirectory, hdfsSetWorkingDirectory
fprintf(stderr, "hdfsGetWorkingDirectory: %s\n",
((resp = hdfsGetWorkingDirectory(fs, buffer, sizeof(buffer))) ?
buffer : "Failed!"));
totalResult += (resp ? 0 : 1);
const char* path[] = {"/foo", "/foo/bar", "foobar", "//foo/bar//foobar",
"foo//bar", "foo/bar///", "/", "////"};
int i;
for (i = 0; i < 8; i++) {
fprintf(stderr, "hdfsSetWorkingDirectory: %s, %s\n",
((result = hdfsSetWorkingDirectory(fs, path[i])) ?
"Failed!" : "Success!"),
hdfsGetWorkingDirectory(fs, buffer, sizeof(buffer)));
totalResult += result;
}
fprintf(stderr, "hdfsSetWorkingDirectory: %s\n",
((result = hdfsSetWorkingDirectory(fs, slashTmp)) ?
"Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsGetWorkingDirectory: %s\n",
((resp = hdfsGetWorkingDirectory(fs, buffer, sizeof(buffer))) ?
buffer : "Failed!"));
totalResult += (resp ? 0 : 1);
// hdfsGetPathInfo
hdfsFileInfo *fileInfo = NULL;
if((fileInfo = hdfsGetPathInfo(fs, slashTmp)) != NULL) {
fprintf(stderr, "hdfsGetPathInfo - SUCCESS!\n");
fprintf(stderr, "Name: %s, ", fileInfo->mName);
fprintf(stderr, "Type: %c, ", (char)(fileInfo->mKind));
fprintf(stderr, "Replication: %d, ", fileInfo->mReplication);
fprintf(stderr, "BlockSize: %"PRId64", ", fileInfo->mBlockSize);
fprintf(stderr, "Size: %"PRId64", ", fileInfo->mSize);
fprintf(stderr, "LastMod: %s", ctime(&fileInfo->mLastMod));
fprintf(stderr, "Owner: %s, ", fileInfo->mOwner);
fprintf(stderr, "Group: %s, ", fileInfo->mGroup);
char permissions[10];
permission_disp(fileInfo->mPermissions, permissions);
fprintf(stderr, "Permissions: %d (%s)\n",
fileInfo->mPermissions, permissions);
hdfsFreeFileInfo(fileInfo, 1);
} else {
totalResult++;
fprintf(stderr, "hdfsGetPathInfo for %s - FAILED!\n", slashTmp);
}
// hdfsListDirectory
hdfsFileInfo *fileList = 0;
int numEntries = 0;
if((fileList = hdfsListDirectory(fs, slashTmp, &numEntries)) != NULL) {
int i = 0;
for(i=0; i < numEntries; ++i) {
fprintf(stderr, "Name: %s, ", fileList[i].mName);
fprintf(stderr, "Type: %c, ", (char)fileList[i].mKind);
fprintf(stderr, "Replication: %d, ", fileList[i].mReplication);
fprintf(stderr, "BlockSize: %"PRId64", ", fileList[i].mBlockSize);
fprintf(stderr, "Size: %"PRId64", ", fileList[i].mSize);
fprintf(stderr, "LastMod: %s", ctime(&fileList[i].mLastMod));
fprintf(stderr, "Owner: %s, ", fileList[i].mOwner);
fprintf(stderr, "Group: %s, ", fileList[i].mGroup);
char permissions[10];
permission_disp(fileList[i].mPermissions, permissions);
fprintf(stderr, "Permissions: %d (%s)\n",
fileList[i].mPermissions, permissions);
}
hdfsFreeFileInfo(fileList, numEntries);
} else {
if (errno) {
totalResult++;
fprintf(stderr, "waah! hdfsListDirectory - FAILED!\n");
} else {
fprintf(stderr, "Empty directory!\n");
}
}
char *newOwner = "root";
// Setting tmp dir to 777 so later when connectAsUser nobody,
// we can write to it
short newPerm = 0666;
// hdfsChown
fprintf(stderr, "hdfsChown: %s\n",
((result = hdfsChown(fs, rwPath, NULL, "users")) ?
"Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsChown: %s\n",
((result = hdfsChown(fs, rwPath, newOwner, NULL)) ?
"Failed!" : "Success!"));
totalResult += result;
// hdfsChmod
fprintf(stderr, "hdfsChmod: %s\n",
((result = hdfsChmod(fs, rwPath, newPerm)) ?
"Failed!" : "Success!"));
totalResult += result;
sleep(2);
tTime newMtime = time(NULL);
tTime newAtime = time(NULL);
// utime write
fprintf(stderr, "hdfsUtime: %s\n",
((result = hdfsUtime(fs, rwPath, newMtime, newAtime)) ?
"Failed!" : "Success!"));
totalResult += result;
// chown/chmod/utime read
hdfsFileInfo *finfo = hdfsGetPathInfo(fs, rwPath);
fprintf(stderr, "hdfsChown read: %s\n",
((result = (strcmp(finfo->mOwner, newOwner) != 0)) ?
"Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsChmod read: %s\n",
((result = (finfo->mPermissions != newPerm)) ?
"Failed!" : "Success!"));
totalResult += result;
// will later use /tmp/ as a different user so enable it
fprintf(stderr, "hdfsChmod: %s\n",
((result = hdfsChmod(fs, slashTmp, 0777)) ?
"Failed!" : "Success!"));
totalResult += result;
fprintf(stderr,"newMTime=%ld\n",newMtime);
fprintf(stderr,"curMTime=%ld\n",finfo->mLastMod);
fprintf(stderr, "hdfsUtime read (mtime): %s\n",
((result = (finfo->mLastMod != newMtime / 1000)) ?
"Failed!" : "Success!"));
totalResult += result;
// Clean up
hdfsFreeFileInfo(finfo, 1);
fprintf(stderr, "hdfsDelete: %s\n",
((result = hdfsDelete(fs, newDirectory, 1)) ?
"Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsDelete: %s\n",
((result = hdfsDelete(fs, srcPath, 1)) ?
"Failed!" : "Success!"));
totalResult += result;
fprintf(stderr, "hdfsExists: %s\n",
((result = hdfsExists(fs, newDirectory)) ?
"Success!" : "Failed!"));
totalResult += (result ? 0 : 1);
// Done test generic operations
}
{
// Test Appends
appendTemplate = strdup("/tmp/appendsXXXXXX");
if (!appendTemplate) {
fprintf(stderr, "Failed to create appendTemplate!\n");
exit(1);
}
char *appendPath = mktemp(appendTemplate);
const char* helloBuffer = "Hello,";
hdfsFile writeFile = NULL;
// Create
writeFile = hdfsOpenFile(fs, appendPath, O_WRONLY, 0, 0, 0);
if(!writeFile) {
fprintf(stderr, "Failed to open %s for writing!\n", appendPath);
exit(1);
}
fprintf(stderr, "Opened %s for writing successfully...\n", appendPath);
num_written_bytes = hdfsWrite(fs, writeFile, helloBuffer,
(int) strlen(helloBuffer));
fprintf(stderr, "Wrote %d bytes\n", num_written_bytes);
hdfsCloseFile(fs, writeFile);
fprintf(stderr, "hdfsSetReplication: %s\n",
((result = hdfsSetReplication(fs, appendPath, 1)) ?
"Failed!" : "Success!"));
totalResult += result;
// Re-Open for Append
writeFile = hdfsOpenFile(fs, appendPath, O_WRONLY | O_APPEND, 0, 0, 0);
if(!writeFile) {
fprintf(stderr, "Failed to open %s for writing!\n", appendPath);
exit(1);
}
fprintf(stderr, "Opened %s for appending successfully...\n",
appendPath);
helloBuffer = " World";
num_written_bytes = hdfsWrite(fs, writeFile, helloBuffer,
(int)strlen(helloBuffer) + 1);
fprintf(stderr, "Wrote %d bytes\n", num_written_bytes);
hdfsCloseFile(fs, writeFile);
// Check size
hdfsFileInfo *finfo = hdfsGetPathInfo(fs, appendPath);
fprintf(stderr, "fileinfo->mSize: == total %s\n",
((result = (finfo->mSize == strlen("Hello, World") + 1)) ?
"Success!" : "Failed!"));
totalResult += (result ? 0 : 1);
// Read and check data
hdfsFile readFile = hdfsOpenFile(fs, appendPath, O_RDONLY, 0, 0, 0);
if (!readFile) {
fprintf(stderr, "Failed to open %s for reading!\n", appendPath);
exit(1);
}
tSize num_read_bytes = hdfsRead(fs, readFile, buffer, sizeof(buffer));
fprintf(stderr, "Read following %d bytes:\n%s\n",
num_read_bytes, buffer);
fprintf(stderr, "read == Hello, World %s\n",
(result = (strcmp(buffer, "Hello, World") == 0)) ?
"Success!" : "Failed!");
hdfsCloseFile(fs, readFile);
// Cleanup
fprintf(stderr, "hdfsDelete: %s\n",
((result = hdfsDelete(fs, appendPath, 1)) ?
"Failed!" : "Success!"));
totalResult += result;
// Done test appends
}
totalResult += (hdfsDisconnect(fs) != 0);
{
//
// Now test as connecting as a specific user
// This only meant to test that we connected as that user, not to test
// the actual fs user capabilities. Thus just create a file and read
// the owner is correct.
const char *tuser = "******";
userTemplate = strdup("/tmp/usertestXXXXXX");
if (!userTemplate) {
fprintf(stderr, "Failed to create userTemplate!\n");
exit(1);
}
char* userWritePath = mktemp(userTemplate);
hdfsFile writeFile = NULL;
fs = hdfsConnectAsUserNewInstance("default", 50070, tuser);
if(!fs) {
fprintf(stderr,
"Oops! Failed to connect to hdfs as user %s!\n",tuser);
exit(1);
}
writeFile = hdfsOpenFile(fs, userWritePath, O_WRONLY|O_CREAT, 0, 0, 0);
if(!writeFile) {
fprintf(stderr, "Failed to open %s for writing!\n", userWritePath);
exit(1);
}
fprintf(stderr, "Opened %s for writing successfully...\n",
userWritePath);
num_written_bytes = hdfsWrite(fs, writeFile, fileContents,
(int)strlen(fileContents) + 1);
fprintf(stderr, "Wrote %d bytes\n", num_written_bytes);
hdfsCloseFile(fs, writeFile);
hdfsFileInfo *finfo = hdfsGetPathInfo(fs, userWritePath);
if (finfo) {
fprintf(stderr, "hdfs new file user is correct: %s\n",
((result = (strcmp(finfo->mOwner, tuser) != 0)) ?
"Failed!" : "Success!"));
} else {
fprintf(stderr,
"hdfsFileInfo returned by hdfsGetPathInfo is NULL\n");
result = -1;
}
totalResult += result;
// Cleanup
fprintf(stderr, "hdfsDelete: %s\n",
((result = hdfsDelete(fs, userWritePath, 1)) ?
"Failed!" : "Success!"));
totalResult += result;
// Done test specific user
}
totalResult += (hdfsDisconnect(fs) != 0);
// Shutdown the native minidfscluster
nmdShutdown(cluster);
nmdFree(cluster);
fprintf(stderr, "totalResult == %d\n", totalResult);
if (totalResult != 0) {
return -1;
} else {
return 0;
}
}