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/**
* 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.
*/
#ifndef UTIL_H_
#define UTIL_H_
#include <map>
#include <vector>
#include <string>
#include "zookeeper_log.h"
// number of elements in array
#define COUNTOF(array) sizeof(array)/sizeof(array[0])
#define DECLARE_WRAPPER(ret,sym,sig) \
extern "C" ret __real_##sym sig; \
extern "C" ret __wrap_##sym sig
#define CALL_REAL(sym,params) \
__real_##sym params
// must include "src/zookeeper_log.h" to be able to use this macro
#define TEST_TRACE(x...) \
log_message(LOGSTREAM, ZOO_LOG_LEVEL_DEBUG,__LINE__,__func__,x)
extern const std::string EMPTY_STRING;
// *****************************************************************************
// A bit of wizardry to get to the bare type from a reference or a pointer
// to the type
template <class T>
struct TypeOp {
typedef T BareT;
typedef T ArgT;
};
// partial specialization for reference types
template <class T>
struct TypeOp<T&>{
typedef T& ArgT;
typedef typename TypeOp<T>::BareT BareT;
};
// partial specialization for pointers
template <class T>
struct TypeOp<T*>{
typedef T* ArgT;
typedef typename TypeOp<T>::BareT BareT;
};
// *****************************************************************************
// Container utilities
template <class K, class V>
void putValue(std::map<K,V>& map,const K& k, const V& v){
typedef std::map<K,V> Map;
typename Map::const_iterator it=map.find(k);
if(it==map.end())
map.insert(typename Map::value_type(k,v));
else
map[k]=v;
}
template <class K, class V>
bool getValue(const std::map<K,V>& map,const K& k,V& v){
typedef std::map<K,V> Map;
typename Map::const_iterator it=map.find(k);
if(it==map.end())
return false;
v=it->second;
return true;
}
// *****************************************************************************
// misc utils
// millisecond sleep
void millisleep(int ms);
FILE *openlogfile(const char* name);
// evaluate given predicate until it returns true or the timeout
// (in millis) has expired
template<class Predicate>
int ensureCondition(const Predicate& p,int timeout){
int elapsed=0;
while(!p() && elapsed<timeout){
millisleep(2);
elapsed+=2;
}
return elapsed;
};
// *****************************************************************************
// test global configuration data
class TestConfig{
typedef std::vector<std::string> CmdLineOptList;
public:
typedef CmdLineOptList::const_iterator const_iterator;
TestConfig(){}
~TestConfig(){}
void addConfigFromCmdLine(int argc, char* argv[]){
if(argc>=2)
testName_=argv[1];
for(int i=2; i<argc;++i)
cmdOpts_.push_back(argv[i]);
}
const_iterator getExtraOptBegin() const {return cmdOpts_.begin();}
const_iterator getExtraOptEnd() const {return cmdOpts_.end();}
size_t getExtraOptCount() const {
return cmdOpts_.size();
}
const std::string& getTestName() const {
return testName_=="all"?EMPTY_STRING:testName_;
}
private:
CmdLineOptList cmdOpts_;
std::string testName_;
};
extern TestConfig globalTestConfig;
#endif /*UTIL_H_*/
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