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);
24 void suspend() override;
25 void resume() override;
29 void cleanupSurf(); // FIXME: make me protected
31 e_smx_comm_type_t type; /* Type of the communication (SIMIX_COMM_SEND or SIMIX_COMM_RECEIVE) */
32 smx_mailbox_t mbox = nullptr; /* Rendez-vous where the comm is queued */
35 smx_mailbox_t mbox_cpy = nullptr; /* Copy of the rendez-vous where the comm is queued, MC needs it for DPOR
36 (comm.mbox set to nullptr when the communication is removed from the mailbox
37 (used as garbage collector)) */
39 bool detached = false; /* If detached or not */
41 void (*clean_fun)(void*) = nullptr; /* Function to clean the detached src_buf if something goes wrong */
42 int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*) =
43 nullptr; /* Filter function used by the other side. It is used when
44 looking if a given communication matches my needs. For that, myself must match the
45 expectations of the other side, too. See */
46 void (*copy_data_fun)(smx_activity_t, void*, size_t) = nullptr;
48 /* Surf action data */
49 resource::Action* surf_action_ = nullptr; /* The Surf communication action encapsulated */
50 resource::Action* src_timeout_ = nullptr; /* Surf's actions to instrument the timeouts */
51 resource::Action* dst_timeout_ = nullptr; /* Surf's actions to instrument the timeouts */
52 actor::ActorImplPtr src_actor_ = nullptr;
53 actor::ActorImplPtr dst_actor_ = nullptr;
55 double task_size_ = 0.0;
57 /* Data to be transfered */
58 void* src_buff_ = nullptr;
59 void* dst_buff_ = nullptr;
60 size_t src_buff_size_ = 0;
61 size_t* dst_buff_size_ = nullptr;
62 bool copied = false; /* whether the data were already copied */
64 void* src_data_ = nullptr; /* User data associated to the communication */
65 void* dst_data_ = nullptr;
69 } // namespace simgrid::kernel::activity