FilePersistLog.cpp File Reference

#include <derecho/persistent/detail/FilePersistLog.hpp>
#include <derecho/persistent/detail/util.hpp>
#include <derecho/conf/conf.hpp>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <iostream>
#include <string.h>
#include <string>
#include <sys/mman.h>
#include <sys/stat.h>
#include <unistd.h>
#include <experimental/filesystem>

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Namespaces
	persistent
	This file include all common types internal to derecho and not necessarily being known by a client program.

Macros
#define	__DO_VALIDATION

Macro Definition Documentation

__DO_VALIDATION

#define __DO_VALIDATION

Value:

do {                                                                                                   \
        if(NUM_FREE_SLOTS < 1) {                                                                           \
            dbg_default_error("{0}-append exception no free slots in log! NUM_FREE_SLOTS={1}",             \
                              this->m_sName, NUM_FREE_SLOTS);                                              \
            dbg_default_flush();                                                                           \
            FPL_UNLOCK;                                                                                    \
            std::cerr << "PERSIST_EXP_NOSPACE_LOG: FREESLOT=" << NUM_FREE_SLOTS << ",version=" << ver << std::endl;              \
            throw PERSIST_EXP_NOSPACE_LOG;                                                                 \
        }                                                                                                  \
        if(NUM_FREE_BYTES < size) {                                                                        \
            dbg_default_error("{0}-append exception no space for data: NUM_FREE_BYTES={1}, size={2}",      \
                              this->m_sName, NUM_FREE_BYTES, size);                                        \
            dbg_default_flush();                                                                           \
            FPL_UNLOCK;                                                                                    \
            std::cerr << "PERSIST_EXP_NOSPACE_DATA: FREE:" << NUM_FREE_BYTES << ",size=" << size << std::endl; \
            throw PERSIST_EXP_NOSPACE_DATA;                                                                \
        }                                                                                                  \
        if((CURR_LOG_IDX != -1) && (META_HEADER->fields.ver >= ver)) {                                     \
            int64_t cver = META_HEADER->fields.ver;                                                        \
            dbg_default_error("{0}-append version already exists! cur_ver:{1} new_ver:{2}", this->m_sName, \
                              (int64_t)cver, (int64_t)ver);                                                \
            dbg_default_flush();                                                                           \
            FPL_UNLOCK;                                                                                    \
            std::cerr << "PERSIST_EXP_INV_VERSION:cver=" << cver << ",ver=" << ver << std::endl;           \
            throw PERSIST_EXP_INV_VERSION;                                                                 \
        }                                                                                                  \
    } while(0)