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introduce type aid_t for Actor's ID (ie, PID)
[simgrid.git] / src / s4u / s4u_actor.cpp
1 /* Copyright (c) 2006-2014. The SimGrid Team.
2  * All rights reserved.                                                     */
3
4 /* This program is free software; you can redistribute it and/or modify it
5  * under the terms of the license (GNU LGPL) which comes with this package. */
6
7 #include "xbt/log.h"
8
9 #include "simgrid/s4u/Actor.hpp"
10 #include "simgrid/s4u/comm.hpp"
11 #include "simgrid/s4u/host.hpp"
12 #include "simgrid/s4u/Mailbox.hpp"
13
14 #include "src/kernel/context/Context.hpp"
15
16 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor, "S4U actors");
17
18 namespace simgrid {
19 namespace s4u {
20
21 // ***** Actor creation *****
22 ActorPtr Actor::self()
23 {
24   smx_context_t self_context = SIMIX_context_self();
25   if (self_context == nullptr)
26     return simgrid::s4u::ActorPtr();
27
28   return self_context->process()->iface();
29 }
30
31 ActorPtr Actor::createActor(const char* name, s4u::Host* host, std::function<void()> code)
32 {
33   smx_actor_t actor = simcall_process_create(name, std::move(code), nullptr, host, nullptr);
34   return actor->iface();
35 }
36
37 ActorPtr Actor::createActor(const char* name, s4u::Host* host, const char* function, std::vector<std::string> args)
38 {
39   simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(function);
40   simgrid::simix::ActorCode code = factory(std::move(args));
41   smx_actor_t actor                         = simcall_process_create(name, std::move(code), nullptr, host, nullptr);
42   return actor->iface();
43 }
44
45 // ***** Actor methods *****
46
47 void Actor::join() {
48   simcall_process_join(this->pimpl_, -1);
49 }
50
51 void Actor::setAutoRestart(bool autorestart) {
52   simcall_process_auto_restart_set(pimpl_,autorestart);
53 }
54
55 void Actor::onExit(int_f_pvoid_pvoid_t fun, void* data)
56 {
57   simcall_process_on_exit(pimpl_, fun, data);
58 }
59
60 void Actor::migrate(Host* new_host)
61 {
62   simcall_process_set_host(pimpl_, new_host);
63 }
64
65 s4u::Host* Actor::host()
66 {
67   return this->pimpl_->host;
68 }
69
70 const char* Actor::cname()
71 {
72   return this->pimpl_->name.c_str();
73 }
74
75 simgrid::xbt::string Actor::name()
76 {
77   return this->pimpl_->name;
78 }
79
80 aid_t Actor::pid()
81 {
82   return this->pimpl_->pid;
83 }
84
85 aid_t Actor::ppid()
86 {
87   return this->pimpl_->ppid;
88 }
89
90 void Actor::suspend()
91 {
92   simcall_process_suspend(pimpl_);
93 }
94
95 void Actor::resume()
96 {
97   simcall_process_resume(pimpl_);
98 }
99
100 int Actor::isSuspended()
101 {
102   return simcall_process_is_suspended(pimpl_);
103 }
104
105 void Actor::setKillTime(double time) {
106   simcall_process_set_kill_time(pimpl_,time);
107 }
108
109 double Actor::killTime()
110 {
111   return simcall_process_get_kill_time(pimpl_);
112 }
113
114 void Actor::kill(aid_t pid)
115 {
116   smx_actor_t process = SIMIX_process_from_PID(pid);
117   if(process != nullptr) {
118     simcall_process_kill(process);
119   } else {
120     std::ostringstream oss;
121     oss << "kill: ("<< pid <<") - No such process" << std::endl;
122     throw std::runtime_error(oss.str());
123   }
124 }
125
126 smx_actor_t Actor::getImpl() {
127   return pimpl_;
128 }
129
130 void Actor::kill() {
131   simcall_process_kill(pimpl_);
132 }
133
134 // ***** Static functions *****
135
136 ActorPtr Actor::byPid(aid_t pid)
137 {
138   smx_actor_t process = SIMIX_process_from_PID(pid);
139   if (process != nullptr)
140     return process->iface();
141   else
142     return ActorPtr();
143 }
144
145 void Actor::killAll()
146 {
147   simcall_process_killall(1);
148 }
149
150 void Actor::killAll(int resetPid)
151 {
152   simcall_process_killall(resetPid);
153 }
154
155 // ***** this_actor *****
156
157 namespace this_actor {
158
159 void sleep_for(double duration)
160 {
161   if (duration > 0)
162     simcall_process_sleep(duration);
163 }
164
165 XBT_PUBLIC(void) sleep_until(double timeout)
166 {
167   double now = SIMIX_get_clock();
168   if (timeout > now)
169     simcall_process_sleep(timeout - now);
170 }
171
172 e_smx_state_t execute(double flops) {
173   smx_activity_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/);
174   return simcall_execution_wait(s);
175 }
176
177 void* recv(MailboxPtr chan) {
178   void *res = nullptr;
179   Comm& c = Comm::recv_init(chan);
180   c.setDstData(&res,sizeof(res));
181   c.wait();
182   return res;
183 }
184
185 void send(MailboxPtr chan, void* payload, double simulatedSize)
186 {
187   Comm& c = Comm::send_init(chan);
188   c.setRemains(simulatedSize);
189   c.setSrcData(payload);
190   // c.start() is optional.
191   c.wait();
192 }
193
194 void send(MailboxPtr chan, void* payload, double simulatedSize, double timeout)
195 {
196   Comm& c = Comm::send_init(chan);
197   c.setRemains(simulatedSize);
198   c.setSrcData(payload);
199   // c.start() is optional.
200   c.wait(timeout);
201 }
202
203 Comm& isend(MailboxPtr chan, void* payload, double simulatedSize)
204 {
205   return Comm::send_async(chan, payload, simulatedSize);
206 }
207
208 Comm& irecv(MailboxPtr chan, void** data)
209 {
210   return Comm::recv_async(chan, data);
211 }
212
213 aid_t pid()
214 {
215   return SIMIX_process_self()->pid;
216 }
217
218 aid_t ppid()
219 {
220   return SIMIX_process_self()->ppid;
221 }
222
223 std::string name()
224 {
225   return SIMIX_process_self()->name;
226 }
227
228 Host* host()
229 {
230   return SIMIX_process_self()->host;
231 }
232
233 void suspend()
234 {
235   simcall_process_suspend(SIMIX_process_self());
236 }
237
238 void resume()
239 {
240   simcall_process_resume(SIMIX_process_self());
241 }
242
243 int isSuspended()
244 {
245   return simcall_process_is_suspended(SIMIX_process_self());
246 }
247
248 void kill()
249 {
250   simcall_process_kill(SIMIX_process_self());
251 }
252
253 void onExit(int_f_pvoid_pvoid_t fun, void* data)
254 {
255   simcall_process_on_exit(SIMIX_process_self(), fun, data);
256 }
257
258 void migrate(Host* new_host)
259 {
260   simcall_process_set_host(SIMIX_process_self(), new_host);
261 }
262 }
263 }
264 }