本文整理汇总了C++中LogEntry::Ref方法的典型用法代码示例。如果您正苦于以下问题:C++ LogEntry::Ref方法的具体用法?C++ LogEntry::Ref怎么用?C++ LogEntry::Ref使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类LogEntry
的用法示例。
在下文中一共展示了LogEntry::Ref方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Open
bool LogManager::Open(const std::string& path){
path_ = path;
abb::Mutex::Locker l(mtx_);
fd_ = open(path.c_str(),O_RDWR,0600);
if(fd_ < 0){
LOG(WARN)<< "raft.open.file.failed:"<<path<< " err:" <<errno<<" errstr:" << strerror(errno);
fd_ = open(path.c_str(),O_RDWR|O_CREAT,0600);
if(fd_ < 0){
LOG(WARN)<< "raft.create.file.failed:"<<path<< " err:" <<errno<<" errstr:" << strerror(errno);
return false;
}
LOG(DEBUG)<< "log.open.create " << path;
return true;
}
fcntl(fd_, F_SETFD, FD_CLOEXEC);
LOG(DEBUG)<< "log.open.exist " << path;
lseek(fd_,0,SEEK_SET);
abb::Buffer buf;
while( buf.WriteFromeReader(StaticReader,this) > 0){
;
}
int position = 0;
int size = buf.ReadSize();
while(size > 0){
LogEntry* entry = new LogEntry();
if( ! entry->Decode(buf) ) {
entry->UnRef();
return false;
}
entry->position = position;
if(entry->index_ > this->start_index_){
entry->Ref();
this->log_entry_arr_.push_back(entry);
if(entry->index_ <= this->commit_index_){
entry->cmd_->Apply(this->svr_,NULL,NULL);
}
}
position += size - buf.ReadSize();
entry->UnRef();
size = buf.ReadSize();
}
if(this->log_entry_arr_.size() > 0){
LOG(DEBUG) << "open.log.append log index " << this->log_entry_arr_.front()->index_ << ":" <<this->log_entry_arr_.back()->index_ << " " << this->commit_index_;
}
return true;
}
示例2: CommitToIndex
bool LogManager::CommitToIndex(uint64_t index){
LogEntryArray arr;
{
LOG(TRACE) << "CommitToIndex" << index;
abb::Mutex::Locker l(mtx_);
if(index > (log_entry_arr_.size() + start_index_)){
LOG(DEBUG) << "raft.Log: Commit index" << index << "set back to " << ( log_entry_arr_.size() + start_index_);
index = log_entry_arr_.size() + start_index_;
}
if (index < commit_index_) {
LOG(DEBUG) << "raft.Log: Commit index earily :" << index << "commit_index_:" << commit_index_;
return true;
}
for(unsigned i= this->commit_index_+1;i<=index;i++){
int e_index = i - 1 - this->start_index_;
LogEntry* entry = log_entry_arr_[e_index];
this->commit_index_ = entry->index_;
entry->Ref();
arr.push_back(entry);
}
}
for(unsigned i = 0;i< arr.size();i++){
LogEntry* entry = arr[i];
if(entry->ev_){
IMessage* msg = NULL;
std::string error ;
entry->cmd_->Apply(this->svr_,&error,&msg);
entry->ev_->Notify(msg,error);
entry->ev_->UnRef();
entry->ev_ = NULL;
}else{
entry->cmd_->Apply(this->svr_,NULL,NULL);
}
entry->UnRef();
}
return true;
}
示例3: AppendEntries
bool LogManager::AppendEntries(LogEntryArray entries,std::string* save_err){
abb::Mutex::Locker l(mtx_);
for(unsigned i=0;i<entries.size();i++){
LogEntry* entry = entries[i];
if(this->log_entry_arr_.size() > 0){
LogEntry* last_entry = this->log_entry_arr_.back();
if(last_entry->term_ > entry->term_){
LOG(DEBUG) << "Cannot Append entry with earlier term last:" << last_entry->term_ << "insert:" << entry->term_;
if(save_err) *save_err = "Cannot Append entry with earlier term";
return false;
}else if(last_entry->term_ == entry->term_ && entry->index_ < last_entry->index_){
LOG(DEBUG) << "Cannot Append entry with earlier index in same term last:" << last_entry->index_ << "insert:" << entry->index_;
if(save_err) *save_err = "Cannot Append entry with earlier index";
return false;
}
}
entry->Ref();
WriteEntry(fd_,entry);
this->log_entry_arr_.push_back(entry);
}
if(entries.size() > 0)
fsync(fd_);
return true;
}