1 /* Copyright (c) 2007-2018. 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 "surf/surf.hpp"
12 enum e_smx_comm_type_t { SIMIX_COMM_SEND, SIMIX_COMM_RECEIVE, SIMIX_COMM_READY, SIMIX_COMM_DONE };
18 class XBT_PUBLIC CommImpl : public ActivityImpl {
22 explicit CommImpl(e_smx_comm_type_t type);
23 void suspend() override;
24 void resume() override;
28 void cleanupSurf(); // FIXME: make me protected
30 e_smx_comm_type_t type; /* Type of the communication (SIMIX_COMM_SEND or SIMIX_COMM_RECEIVE) */
31 smx_mailbox_t mbox = nullptr; /* Rendez-vous where the comm is queued */
34 smx_mailbox_t mbox_cpy = nullptr; /* Copy of the rendez-vous where the comm is queued, MC needs it for DPOR
35 (comm.mbox set to nullptr when the communication is removed from the mailbox
36 (used as garbage collector)) */
38 bool detached = false; /* If detached or not */
40 void (*clean_fun)(void*) = nullptr; /* Function to clean the detached src_buf if something goes wrong */
41 int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*) =
42 nullptr; /* Filter function used by the other side. It is used when
43 looking if a given communication matches my needs. For that, myself must match the
44 expectations of the other side, too. See */
45 void (*copy_data_fun)(smx_activity_t, void*, size_t) = nullptr;
47 /* Surf action data */
48 simgrid::kernel::resource::Action* surfAction_ = nullptr; /* The Surf communication action encapsulated */
49 simgrid::kernel::resource::Action* src_timeout = nullptr; /* Surf's actions to instrument the timeouts */
50 simgrid::kernel::resource::Action* dst_timeout = nullptr; /* Surf's actions to instrument the timeouts */
51 smx_actor_t src_proc = nullptr;
52 smx_actor_t dst_proc = nullptr;
54 double task_size = 0.0;
56 /* Data to be transfered */
57 void* src_buff = nullptr;
58 void* dst_buff = nullptr;
59 size_t src_buff_size = 0;
60 size_t* dst_buff_size = nullptr;
61 bool copied = false; /* whether the data were already copied */
63 void* src_data = nullptr; /* User data associated to communication */
64 void* dst_data = nullptr;
68 } // namespace simgrid::kernel::activity