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- hdfs cleanup; fix to NewDirectory to comply with definition in env.h

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- fix compile error with env_test; static casts added
This commit is contained in:
Mike Orr 2014-05-21 07:50:37 -04:00
parent c2fda55cfe
commit d788bb8f71
2 changed files with 20 additions and 25 deletions
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35
util/env_hdfs.cc
View File

@ -401,16 +401,9 @@ Status HdfsEnv::NewRandomRWFile(const std::string& fname,
class HdfsDirectory : public Directory {
public:
explicit HdfsDirectory(int fd) : fd_(fd) {}
~HdfsDirectory() {
//close(fd_);
}
~HdfsDirectory() {}
virtual Status Fsync() {
//if (fsync(fd_) == -1) {
// return IOError("directory", errno);
// }
return Status::OK();
}
virtual Status Fsync() { return Status::OK(); }
private:
int fd_;
@ -418,15 +411,16 @@ class HdfsDirectory : public Directory {
Status HdfsEnv::NewDirectory(const std::string& name,
unique_ptr<Directory>* result) {
int value = hdfsCreateDirectory(fileSys_, name.c_str());
result->reset(new HdfsDirectory(0));
int value = hdfsExists(fileSys_, name.c_str());
switch (value) {
case HDFS_SUCCESS: // directory created
return Status::OK();
default:
Log(mylog, "directory already exists ");
case HDFS_EXISTS:
result->reset(new HdfsDirectory(0));
return Status::OK();
default: // fail if the directory doesn't exist
Log(mylog, "NewDirectory hdfsExists call failed");
throw HdfsFatalException("hdfsExists call failed with error " +
std::to_string(value) + " on path " + name +
".\n");
}
}
@ -440,8 +434,9 @@ bool HdfsEnv::FileExists(const std::string& fname) {
return false;
default: // anything else should be an error
Log(mylog, "FileExists hdfsExists call failed");
throw HdfsFatalException("1. hdfsExists call failed with error " +
std::to_string(value) + " on path " + fname + ".\n");
throw HdfsFatalException("hdfsExists call failed with error " +
std::to_string(value) + " on path " + fname +
".\n");
}
}
@ -477,13 +472,13 @@ Status HdfsEnv::GetChildren(const std::string& path,
default: // anything else should be an error
Log(mylog, "GetChildren hdfsExists call failed");
throw HdfsFatalException("hdfsExists call failed with error " +
std::to_string(value) + " on path " + path.c_str() + ".\n");
std::to_string(value) + ".\n");
}
return Status::OK();
}
Status HdfsEnv::DeleteFile(const std::string& fname) {
if (hdfsDelete(fileSys_, fname.c_str(),1) == 0) {
if (hdfsDelete(fileSys_, fname.c_str(), 1) == 0) {
return Status::OK();
}
return IOError(fname, errno);

8
util/env_test.cc
View File

@ -285,7 +285,7 @@ TEST(EnvPosixTest, DecreaseNumBgThreads) {
// Increase to 5 threads. Task 0 and 2 running.
env_->SetBackgroundThreads(5, Env::Priority::HIGH);
Env::Default()->SleepForMicroseconds(kDelayMicros);
ASSERT_EQ(0, env_->GetThreadPoolQueueLen(Env::Priority::HIGH));
ASSERT_EQ((unsigned int)0, env_->GetThreadPoolQueueLen(Env::Priority::HIGH));
ASSERT_TRUE(tasks[0].IsSleeping());
ASSERT_TRUE(tasks[2].IsSleeping());
@ -330,7 +330,7 @@ TEST(EnvPosixTest, DecreaseNumBgThreads) {
tasks[4].WakeUp();
Env::Default()->SleepForMicroseconds(kDelayMicros);
ASSERT_EQ(0, env_->GetThreadPoolQueueLen(Env::Priority::HIGH));
ASSERT_EQ((unsigned int)0, env_->GetThreadPoolQueueLen(Env::Priority::HIGH));
for (size_t i = 5; i < 8; i++) {
ASSERT_TRUE(tasks[i].IsSleeping());
}
@ -360,13 +360,13 @@ TEST(EnvPosixTest, DecreaseNumBgThreads) {
env_->Schedule(&SleepingBackgroundTask::DoSleepTask, &tasks[9],
Env::Priority::HIGH);
Env::Default()->SleepForMicroseconds(kDelayMicros);
ASSERT_GT(env_->GetThreadPoolQueueLen(Env::Priority::HIGH), 0);
ASSERT_GT(env_->GetThreadPoolQueueLen(Env::Priority::HIGH), (unsigned int)0);
ASSERT_TRUE(!tasks[8].IsSleeping() || !tasks[9].IsSleeping());
// Increase to 4 threads. Task 5, 8, 9 running.
env_->SetBackgroundThreads(4, Env::Priority::HIGH);
Env::Default()->SleepForMicroseconds(kDelayMicros);
ASSERT_EQ(0, env_->GetThreadPoolQueueLen(Env::Priority::HIGH));
ASSERT_EQ((unsigned int)0, env_->GetThreadPoolQueueLen(Env::Priority::HIGH));
ASSERT_TRUE(tasks[8].IsSleeping());
ASSERT_TRUE(tasks[9].IsSleeping());