70 lines
3.0 KiB
Plaintext
70 lines
3.0 KiB
Plaintext
//+------------------------------------------------------------------+
|
|
//| Context.mqh |
|
|
//| Copyright 2016, Li Ding |
|
|
//| dingmaotu@hotmail.com |
|
|
//+------------------------------------------------------------------+
|
|
|
|
#include "Common.mqh"
|
|
#include "SocketOptions.mqh"
|
|
|
|
//--- Context options
|
|
#define ZMQ_IO_THREADS 1
|
|
#define ZMQ_MAX_SOCKETS 2
|
|
#define ZMQ_SOCKET_LIMIT 3
|
|
#define ZMQ_THREAD_PRIORITY 3
|
|
#define ZMQ_THREAD_SCHED_POLICY 4
|
|
#define ZMQ_MAX_MSGSZ 5
|
|
|
|
//--- Default for new contexts
|
|
#define ZMQ_IO_THREADS_DFLT 1
|
|
#define ZMQ_MAX_SOCKETS_DFLT 1023
|
|
#define ZMQ_THREAD_PRIORITY_DFLT -1
|
|
#define ZMQ_THREAD_SCHED_POLICY_DFLT -1
|
|
|
|
#import "libzmq.dll"
|
|
intptr_t zmq_ctx_new(void);
|
|
int zmq_ctx_term(intptr_t context);
|
|
int zmq_ctx_shutdown(intptr_t context);
|
|
int zmq_ctx_set(intptr_t context,int option,int optval);
|
|
int zmq_ctx_get(intptr_t context,int option);
|
|
#import
|
|
//+------------------------------------------------------------------+
|
|
//| Wraps a 0MZ context |
|
|
//+------------------------------------------------------------------+
|
|
class Context
|
|
{
|
|
private:
|
|
intptr_t m_ref;
|
|
protected:
|
|
int get(int option) {return zmq_ctx_get(m_ref,option);}
|
|
bool set(int option,int optval) {return 0==zmq_ctx_set(m_ref,option,optval);}
|
|
public:
|
|
Context() {m_ref=zmq_ctx_new();}
|
|
~Context() {if(0!=zmq_ctx_term(m_ref)){Debug("failed to terminate context");}}
|
|
// for better cooperation between objects
|
|
intptr_t ref() const {return m_ref;}
|
|
bool shutdown() {return 0==zmq_ctx_shutdown(m_ref);}
|
|
|
|
int getIoThreads() {return get(ZMQ_IO_THREADS);}
|
|
void setIoThreads(int value) {if(!set(ZMQ_IO_THREADS,value)){Debug("failed to set ZMQ_IO_THREADS");}}
|
|
|
|
int getMaxSockets() {return get(ZMQ_MAX_SOCKETS);}
|
|
void setMaxSockets(int value) {if(!set(ZMQ_MAX_SOCKETS,value)){Debug("failed to set ZMQ_MAX_SOCKETS");}}
|
|
|
|
int getMaxMessageSize() {return get(ZMQ_MAX_MSGSZ);}
|
|
void setMaxMessageSize(int value) {if(!set(ZMQ_MAX_MSGSZ,value)){Debug("failed to set ZMQ_MAX_MSGSZ");}}
|
|
|
|
int getSocketLimit() {return get(ZMQ_SOCKET_LIMIT);}
|
|
|
|
int getIpv6Options() {return get(ZMQ_IPV6);}
|
|
void setIpv6Options(int value) {if(!set(ZMQ_IPV6,value)){Debug("failed to set ZMQ_IPV6");}}
|
|
|
|
bool isBlocky() {return 1==get(ZMQ_BLOCKY);}
|
|
void setBlocky(bool value) {if(!set(ZMQ_BLOCKY,value?1:0)){Debug("failed to set ZMQ_BLOCKY");}}
|
|
|
|
//--- Following options is not supported on windows
|
|
void setSchedulingPolicy(int value) {/*ZMQ_THREAD_SCHED_POLICY*/}
|
|
void setThreadPriority(int value) {/*ZMQ_THREAD_PRIORITY*/}
|
|
};
|
|
//+------------------------------------------------------------------+
|