1 /* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #ifndef SIMGRID_KERNEL_ACTIVITY_COMM_HPP
7 #define SIMGRID_KERNEL_ACTIVITY_COMM_HPP
9 #include "src/kernel/activity/ActivityImpl.hpp"
10 #include "src/simix/ActorImpl.hpp"
11 #include "surf/surf.hpp"
13 enum e_smx_comm_type_t { SIMIX_COMM_SEND, SIMIX_COMM_RECEIVE, SIMIX_COMM_READY, SIMIX_COMM_DONE };
19 class XBT_PUBLIC CommImpl : public ActivityImpl {
23 explicit CommImpl(e_smx_comm_type_t type);
26 void suspend() override;
27 void resume() override;
31 void cleanupSurf(); // FIXME: make me protected
33 e_smx_comm_type_t type; /* Type of the communication (SIMIX_COMM_SEND or SIMIX_COMM_RECEIVE) */
34 smx_mailbox_t mbox = nullptr; /* Rendez-vous where the comm is queued */
37 smx_mailbox_t mbox_cpy = nullptr; /* Copy of the rendez-vous where the comm is queued, MC needs it for DPOR
38 (comm.mbox set to nullptr when the communication is removed from the mailbox
39 (used as garbage collector)) */
41 bool detached = false; /* If detached or not */
43 void (*clean_fun)(void*) = nullptr; /* Function to clean the detached src_buf if something goes wrong */
44 int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*) =
45 nullptr; /* Filter function used by the other side. It is used when
46 looking if a given communication matches my needs. For that, myself must match the
47 expectations of the other side, too. See */
48 void (*copy_data_fun)(smx_activity_t, void*, size_t) = nullptr;
50 /* Surf action data */
51 resource::Action* surf_action_ = nullptr; /* The Surf communication action encapsulated */
52 resource::Action* src_timeout_ = nullptr; /* Surf's actions to instrument the timeouts */
53 resource::Action* dst_timeout_ = nullptr; /* Surf's actions to instrument the timeouts */
54 actor::ActorImplPtr src_actor_ = nullptr;
55 actor::ActorImplPtr dst_actor_ = nullptr;
57 double task_size_ = 0.0;
59 /* Data to be transfered */
60 void* src_buff_ = nullptr;
61 void* dst_buff_ = nullptr;
62 size_t src_buff_size_ = 0;
63 size_t* dst_buff_size_ = nullptr;
64 bool copied = false; /* whether the data were already copied */
66 void* src_data_ = nullptr; /* User data associated to the communication */
67 void* dst_data_ = nullptr;
71 } // namespace simgrid::kernel::activity