/usr/include/mama/MamaTransport.h is in libmama-dev 2.2.2.1-11.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* OpenMAMA: The open middleware agnostic messaging API
* Copyright (C) 2011 NYSE Technologies, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef MAMA_TRANSPORT_CPP_H__
#define MAMA_TRANSPORT_CPP_H__
#include "mama/mama.h"
namespace Wombat
{
class MamaSymbolMap;
class MamaTransport;
class MamaConnection;
class MamaServerConnection;
/**
* TransportTopicEvent callback
*/
class MAMACPPExpDLL MamaTransportTopicEventCallback
{
public:
virtual ~MamaTransportTopicEventCallback()
{
};
/**
* Invoked when a topic is subscribed to.
*/
virtual void onTopicSubscribe (MamaTransport* transport,
const char* topic,
const void* platformInfo)
{
return;
}
virtual void onTopicUnsubscribe (MamaTransport* transport,
const char* topic,
const void* platformInfo)
{
return;
}
};
/**
* Transport callback.
*/
class MAMACPPExpDLL MamaTransportCallback
{
public:
virtual ~MamaTransportCallback()
{
};
/**
* Invoked on a publisher when a subscriber disconnects.
*
* @param transport The transport which has disconnected.
* @param platformInfo Info associated with the event.
*
* The cause and platformInfo are supplied only by some middlewares.
* The information provided by platformInfo is middleware specific.
* The following middlewares are supported:
*
* tibrv: provides the char* version of the tibrv advisory message.
* wmw: provides a pointer to a C mamaConnection struct for the event
*/
virtual void onDisconnect (
MamaTransport* transport,
const void* platformInfo)
{
return;
}
/**
* Invoked when the transport reconnects
*
* @param transport The transport which has reconnected.
* @param platformInfo Info associated with the event.
*
* The cause and platformInfo are supplied only by some middlewares.
* The information provided by platformInfo is middleware specific.
* The following middlewares are supported:
*
* tibrv: provides the char* version of the tibrv advisory message.
* wmw: provides a pointer to a C mamaConnection struct for the event
*/
virtual void onReconnect (
MamaTransport* transport,
const void* platformInfo)
{
return;
}
/**
* Invoked when the quality of this transport changes.
*
* @param transport The transport on which the quality has changed.
* @param cause The cause of the quality event.
* @param platformInfo Info associated with the quality event.
*
* The cause and platformInfo are supplied only by some middlewares.
* The information provided by platformInfo is middleware specific.
* The following middlewares are supported:
*
* tibrv: provides the char* version of the tibrv advisory message.
*/
virtual void onQuality (
MamaTransport* transport,
short cause,
const void* platformInfo) = 0;
/**
* Invoked on the subscriber when the transport connects.
*
* @param transport The transport which has connected.
* @param platformInfo Info associated with the event.
*
* The cause and platformInfo are supplied only by some middlewares.
* The information provided by platformInfo is middleware specific.
* The following middlewares are supported:
*
* wmw: provides a pointer to a C mamaConnection struct for the event
*/
virtual void onConnect (
MamaTransport* transport,
const void* platformInfo)
{
return;
}
/**
* Invoked on the publisher when the transport accepts a connection.
*
* @param transport The transport which has accepted.
* @param platformInfo Info associated with the event.
*
* The cause and platformInfo are supplied only by some middlewares.
* The information provided by platformInfo is middleware specific.
* The following middlewares are supported:
*
* wmw: provides a pointer to a C mamaConnection struct for the event
*/
virtual void onAccept (
MamaTransport* transport,
const void* platformInfo)
{
return;
}
/**
* Invoked on the publisher when the transport accepts a reconnection.
*
* @param transport The transport which has reconnected on
* @param platformInfo Info associated with the event.
*
* The cause and platformInfo are supplied only by some middlewares.
* The information provided by platformInfo is middleware specific.
* The following middlewares are supported:
*
* wmw: provides a pointer to a C mamaConnection struct for the event
*/
virtual void onAcceptReconnect (
MamaTransport* transport,
const void* platformInfo)
{
return;
}
/**
* Invoked on the subscriber when the transport disconnects from the publisher.
*
* @param transport The transport which has disconnected on
* @param platformInfo Info associated with the event.
*
* The cause and platformInfo are supplied only by some middlewares.
* The information provided by platformInfo is middleware specific.
* The following middlewares are supported:
*
* wmw: provides a pointer to a C mamaConnection struct for the event
*/
virtual void onPublisherDisconnect (
MamaTransport* transport,
const void* platformInfo)
{
return;
}
/**
* Invoked on the subscriber when the naming service connects.
*
* @param transport The transport which has connected.
* @param platformInfo Info associated with the event.
*/
virtual void onNamingServiceConnect (
MamaTransport* transport,
const void* platformInfo)
{
return;
}
/**
* Invoked on the subscriber when the naming service disconnects.
*
* @param transport The transport which has connected.
* @param platformInfo Info associated with the event.
*/
virtual void onNamingServiceDisconnect (
MamaTransport* transport,
const void* platformInfo)
{
return;
}
};
/**
* The MamaTransport class provides market data functionality.
*/
class MAMACPPExpDLL MamaTransport
{
public:
/**
* Construct a MamaTransport. Call create to create the transport.
*/
MamaTransport ();
virtual ~MamaTransport ();
/**
* Construct a MamaTransport that wraps a mamaTransport from the C API.
* Mama uses this internally. C++ Applications should create C++
* MamaTransport objects through the no-argument constructor, and call
* MamaTransport::create().
*
* MamaTransport objects created with this method do not deallocate or
* destroy the underlying c Transport because that responsibility lies
* with the creator.
*/
MamaTransport (
mamaTransport cTransport);
/**
* Create a transport. Platform specific parameters are read from
* the properties file. The parameters are
* dependent on the underlying messaging transport.
*
* @param name The transport name
* @param bridgeImpl The middleware-specific bridge structure
*/
void create (
const char* name,
mamaBridge bridgeImpl);
/**
* set the transport name.
* The name string is copied by the object.
*
* @param name The transport name.
*/
void setName (
const char* name);
/**
* get the transport name.
*/
const char* getName () const;
/**
* get the middleware name.
*/
const char* getMiddleware() const;
/**
* Return the outbound throttle rate in messages/second.
*
* @return The throttle rate.
*
*/
double getOutboundThrottle (
mamaThrottleInstance instance = MAMA_THROTTLE_DEFAULT) const;
/**
* Set the throttle rate for outbound message. This rate controls
* the rate at which methods sent with sendWithThrottle (void)
* are sent. A value of 0.0 disables throttling.
*
* @param outboundThrottle The rate in messages/second.
* @param instance the mamaThrottleInstance to use
*/
void setOutboundThrottle (
double outboundThrottle,
mamaThrottleInstance instance = MAMA_THROTTLE_DEFAULT);
/**
* Set the transport topic callback
*/
void setTransportTopicCallback (MamaTransportTopicEventCallback* callback);
/**
* Set the transport callback.
*/
void setTransportCallback (
MamaTransportCallback* callback);
/**
* Get the transport callback.
*/
MamaTransportCallback* getTransportCallback ();
/**
* Set the symbology mapping class.
*
* @param mapper A symbol mapping class.
*/
void setSymbolMap (
const MamaSymbolMap* mapper);
/**
* Return the symbology mapping class.
*/
const MamaSymbolMap* getSymbolMap () const;
/**
* Set the description for the transport.
* The description string is copied by the object.
*
* @param description The transport description.
*/
void setDescription (
const char* description);
/**
* Return the description string for the transport.
* Do not alter or free the string returned by this
* method.
*
* @return const char* The transport description.
*/
const char* getDescription () const;
/*
* Find a connection for the specified IP address and port. If the port is 0
* the first connection for the specified IP address is returned.
*
* The caller must delete() the returned value.
*/
MamaConnection* findConnection (
const char* IpAddress,
uint16_t port);
/*
* Return a list of all connections.
*
* Note. The results (list and len) must be passed to freeAllConnections
* to free the resources allocated by this call.
*/
virtual void getAllConnections (
MamaConnection**& list,
uint32_t& len);
/*
* Free array returned by getAllConnections
*/
virtual void freeAllConnections (
MamaConnection** list,
uint32_t len);
/*
* Return a list of all server connections.
*
* Note. The results (list and len) must be passed to
* freeAllServerConnections to free the resources allocated by this call.
*/
virtual void getAllServerConnections (
MamaServerConnection**& list,
uint32_t& len);
/*
* Free array returned by getAllServerConnections.
*/
virtual void freeAllServerConnections (
MamaServerConnection** list,
uint32_t& len);
/**
* Set whether to invoke the quality callback for all subscriptions
* whenever a data quality event occurs (the default), or
* whether to invoke the quality callback only when data subsequently arrives for a
* subscription.
*
* If set to true, an onQuality callback will be invoked for a subscription
* whenever a data quality event occurs on the transport, even in between
* updates for that description. If set to false, the onQuality callback
* will not be called when the data quality event occurs on the transport.
* However, it will still be invoked when an update arrives for the subscription.
*
* @param invokeQualityForAllSubscs Whether to invoke quality callback for
* all subscriptions
*/
void setInvokeQualityForAllSubscs (
bool invokeQualityForAllSubscs);
/**
* Get whether the transport has been set to invoke the quality callback
* for all subscriptions whenever a data quality event occurs.
*
* @return Whether transport has been set to invoke quality callback for
* all subscriptions
*/
bool getInvokeQualityForAllSubscs () const;
/**
* Get the data quality for the transport.
*
* Currently only supported for the Tibco RV
* middleware. Returns OK for all other middlewares.
*
* @return The Quality of the transport
*/
mamaQuality getQuality () const;
/**
* Request conflation for the transport.
*
* Currently only supported for WMW.
*/
void requestConflation () const;
/**
* Request an end to conflation for the transport.
*
* Currently only supported for WMW.
*/
void requestEndConflation () const;
// Access to C types for implementation of related classes.
mamaTransport getCValue ();
const mamaTransport getCValue () const;
/**
* Return the underlying native transport. Applications should avoid this
* method if possible as it may result in non-portable, middleware specific
* code. Callers must cast the nativeTport to the appropriate type.
*
*
* Note: this method returns the underlying C construct not a C++ object.
*
*/
void* getNativeTransport (
int index);
/**
* Disable refreshing of subscriptions on this transport.
*/
void disableRefresh (
bool disable);
struct MamaTransportImpl;
MamaTransportImpl* mPimpl;
private:
mamaTransport mTransport;
};
} // namespace Wombat
#endif // MAMA_TRANSPORT_CPP_H__
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