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5aaf27bf02
FairMQ/fairmq/shmem
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Alexey Rybalchenko 5aaf27bf02 Refactor the transport interface 
- give transport Initialize() method with access to device config.
 - avoid using global context in the transport.
 - simplify shutdown procedure (no need for extra thread).
2017-04-20 11:07:49 +02:00
..
FairMQMessageSHM.cxx Transports: use transportType as static member. 2017-03-14 17:51:26 +01:00
FairMQMessageSHM.h Transports: use transportType as static member. 2017-03-14 17:51:26 +01:00
FairMQPollerSHM.cxx FairMQChannel: API to access socket metrics; make fSocket private. 2017-03-14 17:51:26 +01:00
FairMQPollerSHM.h First version of the shared memory transport. 2016-12-18 14:50:58 +01:00
FairMQShmManager.h Adding multiple transports support & other fixes: 2017-02-23 06:47:09 +01:00
FairMQSocketSHM.cxx Refactor the transport interface 2017-04-20 11:07:49 +02:00
FairMQSocketSHM.h Refactor the transport interface 2017-04-20 11:07:49 +02:00
FairMQTransportFactorySHM.cxx Refactor the transport interface 2017-04-20 11:07:49 +02:00
FairMQTransportFactorySHM.h Refactor the transport interface 2017-04-20 11:07:49 +02:00
README.md First version of the shared memory transport. 2016-12-18 14:50:58 +01:00

README.md

Shared Memory transport

First version of the shared memory transport. To try with existing devices, run the devices with --transport shmem option.

The transport manages shared memory via boost::interprocess library. The transfer of the meta data, required to locate the content in the share memory, is done via ZeroMQ. The transport supports all communication patterns where a single message is received by a single receiver. For multiple receivers for the same message, the message has to be copied.

Under development:

  • Cleanup of the shared memory segment in case all devices crash. Currently at least one device has to stop properly for a cleanup.
  • Implement more than one transport per device.
  • Configuration of the shared memory size (currently hard-coded).