class MsgI, ShmMsgQueue, no bind to shm.

lichao

2021-05-21 1ff714838c03cba1a18884d5b48a20ee6c4275ac

 src/defs.h

@@ -23,6 +23,7 @@
#include <atomic>
#include <string>

class ShmSocket;
typedef uint64_t MQId;

int64_t CalcAllocIndex(int64_t size);
@@ -50,21 +51,25 @@
class SharedMemory;
} // namespace bhome_shm

using bhome_shm::SharedMemory;

std::string BHomeShmName();
bhome_shm::SharedMemory &BHomeShm();
CenterInfo *GetCenterInfo(bhome_shm::SharedMemory &shm);
bool CenterInit(bhome_shm::SharedMemory &shm);
bool GlobalInit(bhome_shm::SharedMemory &shm);
SharedMemory &BHomeShm();
CenterInfo *GetCenterInfo(SharedMemory &shm);
ShmSocket &DefaultSender(SharedMemory &shm);

MQId NewSession();
bool CenterInit(SharedMemory &shm);
bool GlobalInit(SharedMemory &shm);
typedef std::string Topic;
void SetLastError(const int ec, const std::string &msg);
void GetLastError(int &ec, std::string &msg);
//TODO center can check shm for previous crash.

const MQInfo &BHGlobalSenderAddress();
const MQInfo &BHTopicCenterAddress();
const MQInfo &BHTopicBusAddress();
bool BHNodeInit(const int64_t request, int64_t &reply);
void BHCenterHandleInit(std::function<int64_t(const int64_t)> const &onReq);
const MQInfo &BHTopicCenterAddress(SharedMemory &shm);
const MQInfo &BHTopicBusAddress(SharedMemory &shm);
bool BHNodeInit(SharedMemory &shm, const int64_t request, int64_t &reply);
void BHCenterHandleInit(SharedMemory &shm, std::function<int64_t(const int64_t)> const &onReq);

// node mq is avail with in timeout; after that may get killed.
int NodeTimeoutSec();