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[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 s4u::Host* Actor::host()
56 {
57   return this->pimpl_->host;
58 }
59
60 const char* Actor::cname()
61 {
62   return this->pimpl_->name.c_str();
63 }
64
65 simgrid::xbt::string Actor::name()
66 {
67   return this->pimpl_->name;
68 }
69
70 int Actor::pid()
71 {
72   return this->pimpl_->pid;
73 }
74
75 int Actor::ppid()
76 {
77   return this->pimpl_->ppid;
78 }
79
80 void Actor::setKillTime(double time) {
81   simcall_process_set_kill_time(pimpl_,time);
82 }
83
84 double Actor::killTime()
85 {
86   return simcall_process_get_kill_time(pimpl_);
87 }
88
89 void Actor::kill(int pid) {
90   smx_actor_t process = SIMIX_process_from_PID(pid);
91   if(process != nullptr) {
92     simcall_process_kill(process);
93   } else {
94     std::ostringstream oss;
95     oss << "kill: ("<< pid <<") - No such process" << std::endl;
96     throw std::runtime_error(oss.str());
97   }
98 }
99
100 smx_actor_t Actor::getImpl() {
101   return pimpl_;
102 }
103
104 void Actor::kill() {
105   simcall_process_kill(pimpl_);
106 }
107
108 // ***** Static functions *****
109
110 ActorPtr Actor::byPid(int pid)
111 {
112   smx_actor_t process = SIMIX_process_from_PID(pid);
113   if (process != nullptr)
114     return process->iface();
115   else
116     return ActorPtr();
117 }
118
119 void Actor::killAll() {
120   simcall_process_killall(1);
121 }
122
123 // ***** this_actor *****
124
125 namespace this_actor {
126
127 void sleep_for(double duration)
128 {
129   if (duration > 0)
130     simcall_process_sleep(duration);
131 }
132
133 XBT_PUBLIC(void) sleep_until(double timeout)
134 {
135   double now = SIMIX_get_clock();
136   if (timeout > now)
137     simcall_process_sleep(timeout - now);
138 }
139
140 e_smx_state_t execute(double flops) {
141   smx_activity_t s = simcall_execution_start(nullptr,flops,1.0/*priority*/,0./*bound*/);
142   return simcall_execution_wait(s);
143 }
144
145 void* recv(MailboxPtr chan) {
146   void *res = nullptr;
147   Comm& c = Comm::recv_init(chan);
148   c.setDstData(&res,sizeof(res));
149   c.wait();
150   return res;
151 }
152
153 void send(MailboxPtr chan, void *payload, size_t simulatedSize) {
154   Comm& c = Comm::send_init(chan);
155   c.setRemains(simulatedSize);
156   c.setSrcData(payload);
157   // c.start() is optional.
158   c.wait();
159 }
160
161 int pid()
162 {
163   return SIMIX_process_self()->pid;
164 }
165
166 int ppid()
167 {
168   return SIMIX_process_self()->ppid;
169 }
170
171 std::string name()
172 {
173   return SIMIX_process_self()->name;
174 }
175 }
176 }
177 }