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The creation of the pimpl needs no simcall
[simgrid.git] / src / mc / mc_comm_pattern.cpp
1 /* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved.          */
2
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. */
5
6 #include <cstring>
7
8 #include "xbt/dynar.h"
9 #include "xbt/sysdep.h"
10
11 #include "src/mc/checker/CommunicationDeterminismChecker.hpp"
12 #include "src/mc/mc_comm_pattern.hpp"
13 #include "src/mc/mc_smx.hpp"
14
15 using simgrid::mc::remote;
16
17 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_comm_pattern, mc,
18                                 "Logging specific to MC communication patterns");
19
20 static void MC_patterns_copy(xbt_dynar_t dest,
21   std::vector<simgrid::mc::PatternCommunication> const& source)
22 {
23   xbt_dynar_reset(dest);
24   for (simgrid::mc::PatternCommunication const& comm : source) {
25     simgrid::mc::PatternCommunication* copy_comm = new simgrid::mc::PatternCommunication(comm.dup());
26     xbt_dynar_push(dest, &copy_comm);
27   }
28 }
29
30 void MC_restore_communications_pattern(simgrid::mc::State* state)
31 {
32   simgrid::mc::PatternCommunicationList* list_process_comm;
33   unsigned int cursor;
34
35   xbt_dynar_foreach(initial_communications_pattern, cursor, list_process_comm)
36     list_process_comm->index_comm = state->communicationIndices[cursor];
37
38   for (unsigned i = 0; i < MC_smx_get_maxpid(); i++)
39     MC_patterns_copy(
40       xbt_dynar_get_as(incomplete_communications_pattern, i, xbt_dynar_t),
41       state->incomplete_comm_pattern[i]
42     );
43 }
44
45 void MC_state_copy_incomplete_communications_pattern(simgrid::mc::State* state)
46 {
47   state->incomplete_comm_pattern.clear();
48   for (unsigned i=0; i < MC_smx_get_maxpid(); i++) {
49     xbt_dynar_t patterns = xbt_dynar_get_as(incomplete_communications_pattern, i, xbt_dynar_t);
50     std::vector<simgrid::mc::PatternCommunication> res;
51     simgrid::mc::PatternCommunication* comm;
52     unsigned int cursor;
53     xbt_dynar_foreach(patterns, cursor, comm)
54       res.push_back(comm->dup());
55     state->incomplete_comm_pattern.push_back(std::move(res));
56   }
57 }
58
59 void MC_state_copy_index_communications_pattern(simgrid::mc::State* state)
60 {
61   state->communicationIndices.clear();
62   simgrid::mc::PatternCommunicationList* list_process_comm;
63   unsigned int cursor;
64   xbt_dynar_foreach(initial_communications_pattern, cursor, list_process_comm)
65     state->communicationIndices.push_back(list_process_comm->index_comm);
66 }
67
68 void MC_handle_comm_pattern(
69   e_mc_call_type_t call_type, smx_simcall_t req,
70   int value, xbt_dynar_t pattern, int backtracking)
71 {
72   // HACK, do not rely on the Checker implementation outside of it
73   simgrid::mc::CommunicationDeterminismChecker* checker =
74     (simgrid::mc::CommunicationDeterminismChecker*) mc_model_checker->getChecker();
75
76   switch(call_type) {
77   case MC_CALL_TYPE_NONE:
78     break;
79   case MC_CALL_TYPE_SEND:
80   case MC_CALL_TYPE_RECV:
81     checker->get_comm_pattern(pattern, req, call_type, backtracking);
82     break;
83   case MC_CALL_TYPE_WAIT:
84   case MC_CALL_TYPE_WAITANY:
85     {
86     simgrid::mc::RemotePtr<simgrid::kernel::activity::CommImpl> comm_addr{nullptr};
87     if (call_type == MC_CALL_TYPE_WAIT)
88       comm_addr = remote(static_cast<simgrid::kernel::activity::CommImpl*>(simcall_comm_wait__getraw__comm(req)));
89
90     else {
91       simgrid::kernel::activity::ActivityImpl* addr;
92       addr      = mc_model_checker->process().read(remote(simcall_comm_waitany__getraw__comms(req) + value));
93       comm_addr = remote(static_cast<simgrid::kernel::activity::CommImpl*>(addr));
94       }
95       checker->complete_comm_pattern(pattern, comm_addr, MC_smx_simcall_get_issuer(req)->get_pid(), backtracking);
96     }
97     break;
98   default:
99     xbt_die("Unexpected call type %i", (int)call_type);
100   }
101
102 }