1 /* Copyright (c) 2015-2022. 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 #include "src/mc/transition/TransitionComm.hpp"
7 #include "xbt/asserts.h"
8 #include <simgrid/config.h>
10 #include "src/mc/ModelChecker.hpp"
11 #include "src/mc/Session.hpp"
12 #include "src/mc/api/State.hpp"
17 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_trans_comm, mc_transition,
18 "Logging specific to MC transitions about communications");
20 namespace simgrid::mc {
22 CommWaitTransition::CommWaitTransition(aid_t issuer, int times_considered, std::stringstream& stream)
23 : Transition(Type::COMM_WAIT, issuer, times_considered)
25 xbt_assert(stream >> timeout_ >> comm_ >> sender_ >> receiver_ >> mbox_ >> sbuff_ >> rbuff_ >> size_);
26 XBT_DEBUG("CommWaitTransition %s comm:%" PRIxPTR ", sender:%ld receiver:%ld mbox:%u sbuff:%" PRIxPTR
27 " rbuff:%" PRIxPTR " size:%zu",
28 (timeout_ ? "timeout" : "no-timeout"), comm_, sender_, receiver_, mbox_, sbuff_, rbuff_, size_);
30 std::string CommWaitTransition::to_string(bool verbose) const
32 auto res = xbt::string_printf("WaitComm(from %ld to %ld, mbox=%u, %s", sender_, receiver_, mbox_,
33 (timeout_ ? "timeout" : "no timeout"));
35 res += ", sbuff=" + xbt::string_printf("%" PRIxPTR, sbuff_) + ", size=" + std::to_string(size_);
36 res += ", rbuff=" + xbt::string_printf("%" PRIxPTR, rbuff_);
41 bool CommWaitTransition::depends(const Transition* other) const
43 if (aid_ == other->aid_)
46 if (other->type_ < type_)
47 return other->depends(this);
49 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
50 if (timeout_ || wait->timeout_)
51 return true; // Timeouts are not considered by the independence theorem, thus assumed dependent
53 if (sbuff_ == wait->sbuff_ && rbuff_ == wait->rbuff_)
55 if (sbuff_ != 0 && rbuff_ != 0 && wait->sbuff_ != 0 && wait->rbuff_ != 0 && rbuff_ != wait->sbuff_ &&
56 rbuff_ != wait->rbuff_ && rbuff_ != sbuff_)
62 return false; // Comm transitions are INDEP with non-comm transitions
64 CommTestTransition::CommTestTransition(aid_t issuer, int times_considered, std::stringstream& stream)
65 : Transition(Type::COMM_TEST, issuer, times_considered)
67 xbt_assert(stream >> comm_ >> sender_ >> receiver_ >> mbox_ >> sbuff_ >> rbuff_ >> size_);
68 XBT_DEBUG("CommTestTransition comm:%" PRIxPTR ", sender:%ld receiver:%ld mbox:%u sbuff:%" PRIxPTR " rbuff:%" PRIxPTR
70 comm_, sender_, receiver_, mbox_, sbuff_, rbuff_, size_);
72 std::string CommTestTransition::to_string(bool verbose) const
74 auto res = xbt::string_printf("TestComm(from %ld to %ld, mbox=%u", sender_, receiver_, mbox_);
76 res += ", sbuff=" + xbt::string_printf("%" PRIxPTR, sbuff_) + ", size=" + std::to_string(size_);
77 res += ", rbuff=" + xbt::string_printf("%" PRIxPTR, rbuff_);
82 bool CommTestTransition::depends(const Transition* other) const
84 if (aid_ == other->aid_)
87 if (other->type_ < type_)
88 return other->depends(this);
90 if (dynamic_cast<const CommTestTransition*>(other) != nullptr)
91 return false; // Test & Test are independent
93 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
95 return true; // Timeouts are not considered by the independence theorem, thus assumed dependent
97 /* Wait & Test are independent */
101 return false; // Comm transitions are INDEP with non-comm transitions
104 CommRecvTransition::CommRecvTransition(aid_t issuer, int times_considered, std::stringstream& stream)
105 : Transition(Type::COMM_RECV, issuer, times_considered)
107 xbt_assert(stream >> comm_ >> mbox_ >> rbuff_ >> tag_);
109 std::string CommRecvTransition::to_string(bool verbose) const
111 auto res = xbt::string_printf("iRecv(mbox=%u", mbox_);
113 res += ", rbuff=" + xbt::string_printf("%" PRIxPTR, rbuff_);
117 bool CommRecvTransition::depends(const Transition* other) const
119 if (aid_ == other->aid_)
122 if (other->type_ < type_)
123 return other->depends(this);
125 if (const auto* recv = dynamic_cast<const CommRecvTransition*>(other))
126 return mbox_ == recv->mbox_;
128 if (dynamic_cast<const CommSendTransition*>(other) != nullptr)
131 if (const auto* test = dynamic_cast<const CommTestTransition*>(other)) {
132 if (mbox_ != test->mbox_)
135 if ((aid_ != test->sender_) && (aid_ != test->receiver_) && (test->rbuff_ != rbuff_))
138 return true; // DEP with other send transitions
141 if (auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
145 if (mbox_ != wait->mbox_)
148 if ((aid_ != wait->sender_) && (aid_ != wait->receiver_) && (wait->rbuff_ != rbuff_))
151 return true; // DEP with other wait transitions
154 return false; // Comm transitions are INDEP with non-comm transitions
157 CommSendTransition::CommSendTransition(aid_t issuer, int times_considered, std::stringstream& stream)
158 : Transition(Type::COMM_SEND, issuer, times_considered)
160 xbt_assert(stream >> comm_ >> mbox_ >> sbuff_ >> size_ >> tag_);
161 XBT_DEBUG("SendTransition comm:%" PRIxPTR " mbox:%u sbuff:%" PRIxPTR " size:%zu", comm_, mbox_, sbuff_, size_);
163 std::string CommSendTransition::to_string(bool verbose = false) const
165 auto res = xbt::string_printf("iSend(mbox=%u", mbox_);
167 res += ", sbuff=" + xbt::string_printf("%" PRIxPTR, sbuff_) + ", size=" + std::to_string(size_);
172 bool CommSendTransition::depends(const Transition* other) const
174 if (aid_ == other->aid_)
177 if (other->type_ < type_)
178 return other->depends(this);
180 if (const auto* other_isend = dynamic_cast<const CommSendTransition*>(other))
181 return mbox_ == other_isend->mbox_;
183 if (dynamic_cast<const CommRecvTransition*>(other) != nullptr)
186 if (const auto* test = dynamic_cast<const CommTestTransition*>(other)) {
187 if (mbox_ != test->mbox_)
190 if ((aid_ != test->sender_) && (aid_ != test->receiver_) && (test->sbuff_ != sbuff_))
193 return true; // DEP with other test transitions
196 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
200 if (mbox_ != wait->mbox_)
203 if ((aid_ != wait->sender_) && (aid_ != wait->receiver_) && (wait->sbuff_ != sbuff_))
206 return true; // DEP with other wait transitions
209 return false; // Comm transitions are INDEP with non-comm transitions
212 } // namespace simgrid::mc