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/kernel/actor/ActorImpl.hpp"
11 #include "surf/surf.hpp"
18 class XBT_PUBLIC CommImpl : public ActivityImpl_T<CommImpl> {
24 bool detached_ = false; /* If detached or not */
25 bool copied_ = false; /* whether the data were already copied */
26 MailboxImpl* mbox_ = nullptr; /* Rendez-vous where the comm is queued */
29 enum class Type { SEND = 0, RECEIVE, READY, DONE };
31 CommImpl& set_type(CommImpl::Type type);
32 CommImpl& set_size(double size);
33 CommImpl& set_src_buff(unsigned char* buff, size_t size);
34 CommImpl& set_dst_buff(unsigned char* buff, size_t* size);
35 CommImpl& set_rate(double rate);
36 CommImpl& set_mailbox(MailboxImpl* mbox);
39 double get_rate() const { return rate_; }
40 MailboxImpl* get_mailbox() const { return mbox_; }
41 bool detached() const { return detached_; }
46 void suspend() override;
47 void resume() override;
48 void cancel() override;
50 void finish() override;
52 CommImpl::Type type_; /* Type of the communication (SIMIX_COMM_SEND or SIMIX_COMM_RECEIVE) */
55 MailboxImpl* mbox_cpy = nullptr; /* Copy of the rendez-vous where the comm is queued, MC needs it for DPOR
56 (comm.mbox set to nullptr when the communication is removed from the mailbox
57 (used as garbage collector)) */
60 void (*clean_fun)(void*) = nullptr; /* Function to clean the detached src_buf if something goes wrong */
61 int (*match_fun)(void*, void*, CommImpl*) = nullptr; /* Filter function used by the other side. It is used when
62 looking if a given communication matches my needs. For that, myself must match the
63 expectations of the other side, too. See */
64 void (*copy_data_fun)(CommImpl*, void*, size_t) = nullptr;
66 /* Surf action data */
67 resource::Action* src_timeout_ = nullptr; /* Surf's actions to instrument the timeouts */
68 resource::Action* dst_timeout_ = nullptr; /* Surf's actions to instrument the timeouts */
69 actor::ActorImplPtr src_actor_ = nullptr;
70 actor::ActorImplPtr dst_actor_ = nullptr;
72 /* Data to be transfered */
73 unsigned char* src_buff_ = nullptr;
74 unsigned char* dst_buff_ = nullptr;
75 size_t src_buff_size_ = 0;
76 size_t* dst_buff_size_ = nullptr;
78 void* src_data_ = nullptr; /* User data associated to the communication */
79 void* dst_data_ = nullptr;
81 } // namespace activity
83 } // namespace simgrid