| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "expect.h" |
| #include "hdfs/hdfs.h" |
| #include "native_mini_dfs.h" |
| #include "os/thread.h" |
| |
| #include <errno.h> |
| #include <inttypes.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #define TO_STR_HELPER(X) #X |
| #define TO_STR(X) TO_STR_HELPER(X) |
| |
| #define TLH_MAX_THREADS 100 |
| |
| #define TLH_DEFAULT_BLOCK_SIZE 134217728 |
| |
| static struct NativeMiniDfsCluster* tlhCluster; |
| |
| struct tlhThreadInfo { |
| /** Thread index */ |
| int threadIdx; |
| /** 0 = thread was successful; error code otherwise */ |
| int success; |
| /** thread identifier */ |
| thread theThread; |
| }; |
| |
| static int hdfsSingleNameNodeConnect(struct NativeMiniDfsCluster *cl, hdfsFS *fs, |
| const char *username) |
| { |
| int ret; |
| tPort port; |
| hdfsFS hdfs; |
| struct hdfsBuilder *bld; |
| |
| port = (tPort)nmdGetNameNodePort(cl); |
| if (port < 0) { |
| fprintf(stderr, "hdfsSingleNameNodeConnect: nmdGetNameNodePort " |
| "returned error %d\n", port); |
| return port; |
| } |
| bld = hdfsNewBuilder(); |
| if (!bld) |
| return -ENOMEM; |
| hdfsBuilderSetForceNewInstance(bld); |
| hdfsBuilderSetNameNode(bld, "localhost"); |
| hdfsBuilderSetNameNodePort(bld, port); |
| hdfsBuilderConfSetStr(bld, "dfs.block.size", |
| TO_STR(TLH_DEFAULT_BLOCK_SIZE)); |
| hdfsBuilderConfSetStr(bld, "dfs.blocksize", |
| TO_STR(TLH_DEFAULT_BLOCK_SIZE)); |
| if (username) { |
| hdfsBuilderSetUserName(bld, username); |
| } |
| hdfs = hdfsBuilderConnect(bld); |
| if (!hdfs) { |
| ret = -errno; |
| return ret; |
| } |
| *fs = hdfs; |
| return 0; |
| } |
| |
| static int doTestGetDefaultBlockSize(hdfsFS fs, const char *path) |
| { |
| int64_t blockSize; |
| int ret; |
| |
| blockSize = hdfsGetDefaultBlockSize(fs); |
| if (blockSize < 0) { |
| ret = errno; |
| fprintf(stderr, "hdfsGetDefaultBlockSize failed with error %d\n", ret); |
| return ret; |
| } else if (blockSize != TLH_DEFAULT_BLOCK_SIZE) { |
| fprintf(stderr, "hdfsGetDefaultBlockSize got %"PRId64", but we " |
| "expected %d\n", blockSize, TLH_DEFAULT_BLOCK_SIZE); |
| return EIO; |
| } |
| |
| blockSize = hdfsGetDefaultBlockSizeAtPath(fs, path); |
| if (blockSize < 0) { |
| ret = errno; |
| fprintf(stderr, "hdfsGetDefaultBlockSizeAtPath(%s) failed with " |
| "error %d\n", path, ret); |
| return ret; |
| } else if (blockSize != TLH_DEFAULT_BLOCK_SIZE) { |
| fprintf(stderr, "hdfsGetDefaultBlockSizeAtPath(%s) got " |
| "%"PRId64", but we expected %d\n", |
| path, blockSize, TLH_DEFAULT_BLOCK_SIZE); |
| return EIO; |
| } |
| return 0; |
| } |
| |
| struct tlhPaths { |
| char prefix[256]; |
| char file1[256]; |
| char file2[256]; |
| }; |
| |
| static int setupPaths(const struct tlhThreadInfo *ti, struct tlhPaths *paths) |
| { |
| memset(paths, 0, sizeof(*paths)); |
| if (snprintf(paths->prefix, sizeof(paths->prefix), "/tlhData%04d", |
| ti->threadIdx) >= sizeof(paths->prefix)) { |
| return ENAMETOOLONG; |
| } |
| if (snprintf(paths->file1, sizeof(paths->file1), "%s/file1", |
| paths->prefix) >= sizeof(paths->file1)) { |
| return ENAMETOOLONG; |
| } |
| if (snprintf(paths->file2, sizeof(paths->file2), "%s/file2", |
| paths->prefix) >= sizeof(paths->file2)) { |
| return ENAMETOOLONG; |
| } |
| return 0; |
| } |
| |
| static int doTestHdfsOperations(struct tlhThreadInfo *ti, hdfsFS fs, |
| const struct tlhPaths *paths) |
| { |
| char tmp[4096]; |
| hdfsFile file; |
| int ret, expected, numEntries; |
| hdfsFileInfo *fileInfo; |
| struct hdfsReadStatistics *readStats = NULL; |
| |
| if (hdfsExists(fs, paths->prefix) == 0) { |
| EXPECT_ZERO(hdfsDelete(fs, paths->prefix, 1)); |
| } |
| EXPECT_ZERO(hdfsCreateDirectory(fs, paths->prefix)); |
| |
| EXPECT_ZERO(doTestGetDefaultBlockSize(fs, paths->prefix)); |
| |
| /* There should be no entry in the directory. */ |
| errno = EACCES; // see if errno is set to 0 on success |
| EXPECT_NULL_WITH_ERRNO(hdfsListDirectory(fs, paths->prefix, &numEntries), 0); |
| if (numEntries != 0) { |
| fprintf(stderr, "hdfsListDirectory set numEntries to " |
| "%d on empty directory.", numEntries); |
| } |
| |
| /* There should not be any file to open for reading. */ |
| EXPECT_NULL(hdfsOpenFile(fs, paths->file1, O_RDONLY, 0, 0, 0)); |
| |
| /* hdfsOpenFile should not accept mode = 3 */ |
| EXPECT_NULL(hdfsOpenFile(fs, paths->file1, 3, 0, 0, 0)); |
| |
| file = hdfsOpenFile(fs, paths->file1, O_WRONLY, 0, 0, 0); |
| EXPECT_NONNULL(file); |
| |
| /* TODO: implement writeFully and use it here */ |
| expected = (int)strlen(paths->prefix); |
| ret = hdfsWrite(fs, file, paths->prefix, expected); |
| if (ret < 0) { |
| ret = errno; |
| fprintf(stderr, "hdfsWrite failed and set errno %d\n", ret); |
| return ret; |
| } |
| if (ret != expected) { |
| fprintf(stderr, "hdfsWrite was supposed to write %d bytes, but " |
| "it wrote %d\n", ret, expected); |
| return EIO; |
| } |
| EXPECT_ZERO(hdfsFlush(fs, file)); |
| EXPECT_ZERO(hdfsHSync(fs, file)); |
| EXPECT_ZERO(hdfsCloseFile(fs, file)); |
| |
| /* There should be 1 entry in the directory. */ |
| EXPECT_NONNULL(hdfsListDirectory(fs, paths->prefix, &numEntries)); |
| if (numEntries != 1) { |
| fprintf(stderr, "hdfsListDirectory set numEntries to " |
| "%d on directory containing 1 file.", numEntries); |
| } |
| |
| /* Let's re-open the file for reading */ |
| file = hdfsOpenFile(fs, paths->file1, O_RDONLY, 0, 0, 0); |
| EXPECT_NONNULL(file); |
| |
| EXPECT_ZERO(hdfsFileGetReadStatistics(file, &readStats)); |
| errno = 0; |
| EXPECT_UINT64_EQ(UINT64_C(0), readStats->totalBytesRead); |
| EXPECT_UINT64_EQ(UINT64_C(0), readStats->totalLocalBytesRead); |
| EXPECT_UINT64_EQ(UINT64_C(0), readStats->totalShortCircuitBytesRead); |
| hdfsFileFreeReadStatistics(readStats); |
| /* TODO: implement readFully and use it here */ |
| ret = hdfsRead(fs, file, tmp, sizeof(tmp)); |
| if (ret < 0) { |
| ret = errno; |
| fprintf(stderr, "hdfsRead failed and set errno %d\n", ret); |
| return ret; |
| } |
| if (ret != expected) { |
| fprintf(stderr, "hdfsRead was supposed to read %d bytes, but " |
| "it read %d\n", ret, expected); |
| return EIO; |
| } |
| EXPECT_ZERO(hdfsFileGetReadStatistics(file, &readStats)); |
| errno = 0; |
| EXPECT_UINT64_EQ((uint64_t)expected, readStats->totalBytesRead); |
| hdfsFileFreeReadStatistics(readStats); |
| EXPECT_ZERO(hdfsFileClearReadStatistics(file)); |
| EXPECT_ZERO(hdfsFileGetReadStatistics(file, &readStats)); |
| EXPECT_UINT64_EQ((uint64_t)0, readStats->totalBytesRead); |
| hdfsFileFreeReadStatistics(readStats); |
| EXPECT_ZERO(memcmp(paths->prefix, tmp, expected)); |
| EXPECT_ZERO(hdfsCloseFile(fs, file)); |
| |
| // TODO: Non-recursive delete should fail? |
| //EXPECT_NONZERO(hdfsDelete(fs, prefix, 0)); |
| EXPECT_ZERO(hdfsCopy(fs, paths->file1, fs, paths->file2)); |
| |
| EXPECT_ZERO(hdfsChown(fs, paths->file2, NULL, NULL)); |
| EXPECT_ZERO(hdfsChown(fs, paths->file2, NULL, "doop")); |
| fileInfo = hdfsGetPathInfo(fs, paths->file2); |
| EXPECT_NONNULL(fileInfo); |
| EXPECT_ZERO(strcmp("doop", fileInfo->mGroup)); |
| EXPECT_ZERO(hdfsFileIsEncrypted(fileInfo)); |
| hdfsFreeFileInfo(fileInfo, 1); |
| |
| EXPECT_ZERO(hdfsChown(fs, paths->file2, "ha", "doop2")); |
| fileInfo = hdfsGetPathInfo(fs, paths->file2); |
| EXPECT_NONNULL(fileInfo); |
| EXPECT_ZERO(strcmp("ha", fileInfo->mOwner)); |
| EXPECT_ZERO(strcmp("doop2", fileInfo->mGroup)); |
| hdfsFreeFileInfo(fileInfo, 1); |
| |
| EXPECT_ZERO(hdfsChown(fs, paths->file2, "ha2", NULL)); |
| fileInfo = hdfsGetPathInfo(fs, paths->file2); |
| EXPECT_NONNULL(fileInfo); |
| EXPECT_ZERO(strcmp("ha2", fileInfo->mOwner)); |
| EXPECT_ZERO(strcmp("doop2", fileInfo->mGroup)); |
| hdfsFreeFileInfo(fileInfo, 1); |
| |
| snprintf(tmp, sizeof(tmp), "%s/nonexistent-file-name", paths->prefix); |
| EXPECT_NEGATIVE_ONE_WITH_ERRNO(hdfsChown(fs, tmp, "ha3", NULL), ENOENT); |
| return 0; |
| } |
| |
| static int testHdfsOperationsImpl(struct tlhThreadInfo *ti) |
| { |
| hdfsFS fs = NULL; |
| struct tlhPaths paths; |
| |
| fprintf(stderr, "testHdfsOperations(threadIdx=%d): starting\n", |
| ti->threadIdx); |
| EXPECT_ZERO(hdfsSingleNameNodeConnect(tlhCluster, &fs, NULL)); |
| EXPECT_ZERO(setupPaths(ti, &paths)); |
| // test some operations |
| EXPECT_ZERO(doTestHdfsOperations(ti, fs, &paths)); |
| EXPECT_ZERO(hdfsDisconnect(fs)); |
| // reconnect as user "foo" and verify that we get permission errors |
| EXPECT_ZERO(hdfsSingleNameNodeConnect(tlhCluster, &fs, "foo")); |
| EXPECT_NEGATIVE_ONE_WITH_ERRNO(hdfsChown(fs, paths.file1, "ha3", NULL), EACCES); |
| EXPECT_ZERO(hdfsDisconnect(fs)); |
| // reconnect to do the final delete. |
| EXPECT_ZERO(hdfsSingleNameNodeConnect(tlhCluster, &fs, NULL)); |
| EXPECT_ZERO(hdfsDelete(fs, paths.prefix, 1)); |
| EXPECT_ZERO(hdfsDisconnect(fs)); |
| return 0; |
| } |
| |
| static void testHdfsOperations(void *v) |
| { |
| struct tlhThreadInfo *ti = (struct tlhThreadInfo*)v; |
| int ret = testHdfsOperationsImpl(ti); |
| ti->success = ret; |
| } |
| |
| static int checkFailures(struct tlhThreadInfo *ti, int tlhNumThreads) |
| { |
| int i, threadsFailed = 0; |
| const char *sep = ""; |
| |
| for (i = 0; i < tlhNumThreads; i++) { |
| if (ti[i].success != 0) { |
| threadsFailed = 1; |
| } |
| } |
| if (!threadsFailed) { |
| fprintf(stderr, "testLibHdfs: all threads succeeded. SUCCESS.\n"); |
| return EXIT_SUCCESS; |
| } |
| fprintf(stderr, "testLibHdfs: some threads failed: ["); |
| for (i = 0; i < tlhNumThreads; i++) { |
| if (ti[i].success != 0) { |
| fprintf(stderr, "%s%d", sep, i); |
| sep = ", "; |
| } |
| } |
| fprintf(stderr, "]. FAILURE.\n"); |
| return EXIT_FAILURE; |
| } |
| |
| /** |
| * 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); |
| } |
