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[simgrid.git] / include / msg / msg.h
1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. 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 #ifndef MSG_H
8 #define MSG_H
9
10 #include "xbt.h"
11
12 #include "msg/datatypes.h"
13 #include "xbt/automaton.h"
14
15 SG_BEGIN_DECL()
16
17
18 /************************** Global ******************************************/
19 XBT_PUBLIC(void) MSG_config(const char *name, ...);
20 XBT_PUBLIC(void) MSG_global_init(int *argc, char **argv);
21 XBT_PUBLIC(void) MSG_global_init_args(int *argc, char **argv);
22 XBT_PUBLIC(MSG_error_t) MSG_set_channel_number(int number);
23 XBT_PUBLIC(int) MSG_get_channel_number(void);
24 XBT_PUBLIC(MSG_error_t) MSG_main(void);
25 XBT_PUBLIC(MSG_error_t) MSG_main_stateful(void);
26 XBT_PUBLIC(MSG_error_t) MSG_main_liveness(xbt_automaton_t a, char *prgm);
27 XBT_PUBLIC(MSG_error_t) MSG_clean(void);
28 XBT_PUBLIC(void) MSG_function_register(const char *name,
29                                        xbt_main_func_t code);
30 XBT_PUBLIC(void) MSG_function_register_default(xbt_main_func_t code);
31 XBT_PUBLIC(xbt_main_func_t) MSG_get_registered_function(const char *name);
32 XBT_PUBLIC(void) MSG_launch_application(const char *file);
33 /*Bypass the parser */
34 XBT_PUBLIC(void) MSG_set_function(const char *host_id,
35                                   const char *function_name,
36                                   xbt_dynar_t arguments);
37
38 XBT_PUBLIC(double) MSG_get_clock(void);
39 XBT_PUBLIC(unsigned long int) MSG_get_sent_msg(void);
40
41
42 /************************** File handling ***********************************/
43 XBT_PUBLIC(size_t) MSG_file_read(void* ptr, size_t size, size_t nmemb, m_file_t* stream);
44 XBT_PUBLIC(size_t) MSG_file_write(const void* ptr, size_t size, size_t nmemb, m_file_t* stream);
45 XBT_PUBLIC(m_file_t*) MSG_file_open(const char* path, const char* mode);
46 XBT_PUBLIC(int) MSG_file_close(m_file_t* fp);
47 XBT_PUBLIC(int) MSG_file_stat(int fd, void* buf);
48
49
50 /************************** Host handling ***********************************/
51 XBT_PUBLIC(MSG_error_t) MSG_host_set_data(m_host_t host, void *data);
52 XBT_PUBLIC(void *) MSG_host_get_data(m_host_t host);
53 XBT_PUBLIC(const char *) MSG_host_get_name(m_host_t host);
54 XBT_PUBLIC(m_host_t) MSG_host_self(void);
55 XBT_PUBLIC(int) MSG_get_host_msgload(m_host_t host);
56 /* int MSG_get_msgload(void); This function lacks specification; discard it */
57 XBT_PUBLIC(double) MSG_get_host_speed(m_host_t h);
58 XBT_PUBLIC(int) MSG_host_is_avail(m_host_t h);
59 XBT_PUBLIC(void) __MSG_host_destroy(m_host_t host);
60
61 /*property handlers*/
62 XBT_PUBLIC(xbt_dict_t) MSG_host_get_properties(m_host_t host);
63 XBT_PUBLIC(const char *) MSG_host_get_property_value(m_host_t host,
64                                                      const char *name);
65
66 XBT_PUBLIC(void) MSG_create_environment(const char *file);
67 XBT_PUBLIC(void) MSG_load_platform_script(const char *script_file);
68
69 XBT_PUBLIC(m_host_t) MSG_get_host_by_name(const char *name);
70 XBT_PUBLIC(int) MSG_get_host_number(void);
71 XBT_PUBLIC(m_host_t *) MSG_get_host_table(void);
72
73 /************************** Process handling *********************************/
74 XBT_PUBLIC(m_process_t) MSG_process_create(const char *name,
75                                            xbt_main_func_t code,
76                                            void *data, m_host_t host);
77 XBT_PUBLIC(m_process_t) MSG_process_create_with_arguments(const char *name,
78                                                           xbt_main_func_t
79                                                           code, void *data,
80                                                           m_host_t host,
81                                                           int argc,
82                                                           char **argv);
83 XBT_PUBLIC(m_process_t) MSG_process_create_with_environment(const char
84                                                             *name,
85                                                             xbt_main_func_t
86                                                             code,
87                                                             void *data,
88                                                             m_host_t host,
89                                                             int argc,
90                                                             char **argv,
91                                                             xbt_dict_t
92                                                             properties);
93 XBT_PUBLIC(void) MSG_process_kill(m_process_t process);
94 XBT_PUBLIC(int) MSG_process_killall(int reset_PIDs);
95
96 XBT_PUBLIC(MSG_error_t) MSG_process_migrate(m_process_t process, m_host_t host);
97
98 XBT_PUBLIC(void *) MSG_process_get_data(m_process_t process);
99 XBT_PUBLIC(MSG_error_t) MSG_process_set_data(m_process_t process,
100                                              void *data);
101 XBT_PUBLIC(void) MSG_process_set_data_cleanup(void_f_pvoid_t data_cleanup);
102 XBT_PUBLIC(m_host_t) MSG_process_get_host(m_process_t process);
103 XBT_PUBLIC(m_process_t) MSG_process_from_PID(int PID);
104 XBT_PUBLIC(int) MSG_process_get_PID(m_process_t process);
105 XBT_PUBLIC(int) MSG_process_get_PPID(m_process_t process);
106 XBT_PUBLIC(const char *) MSG_process_get_name(m_process_t process);
107 XBT_PUBLIC(int) MSG_process_self_PID(void);
108 XBT_PUBLIC(int) MSG_process_self_PPID(void);
109 XBT_PUBLIC(m_process_t) MSG_process_self(void);
110
111 /*property handlers*/
112 XBT_PUBLIC(xbt_dict_t) MSG_process_get_properties(m_process_t process);
113 XBT_PUBLIC(const char *) MSG_process_get_property_value(m_process_t
114                                                         process,
115                                                         const char *name);
116
117 XBT_PUBLIC(MSG_error_t) MSG_process_suspend(m_process_t process);
118 XBT_PUBLIC(MSG_error_t) MSG_process_resume(m_process_t process);
119 XBT_PUBLIC(int) MSG_process_is_suspended(m_process_t process);
120
121 /************************** Task handling ************************************/
122
123 XBT_PUBLIC(m_task_t) MSG_task_create(const char *name,
124                                      double compute_duration,
125                                      double message_size, void *data);
126 XBT_PUBLIC(m_task_t) MSG_parallel_task_create(const char *name,
127                                               int host_nb,
128                                               const m_host_t * host_list,
129                                               double *computation_amount,
130                                               double *communication_amount,
131                                               void *data);
132 XBT_PUBLIC(void *) MSG_task_get_data(m_task_t task);
133 XBT_PUBLIC(void) MSG_task_set_data(m_task_t task, void *data);
134 XBT_PUBLIC(void) MSG_task_set_copy_callback(void (*callback) (
135     m_task_t task, m_process_t src, m_process_t dst));
136 XBT_PUBLIC(m_process_t) MSG_task_get_sender(m_task_t task);
137 XBT_PUBLIC(m_host_t) MSG_task_get_source(m_task_t task);
138 XBT_PUBLIC(const char *) MSG_task_get_name(m_task_t task);
139 XBT_PUBLIC(void) MSG_task_set_name(m_task_t task, const char *name);
140 XBT_PUBLIC(MSG_error_t) MSG_task_cancel(m_task_t task);
141 XBT_PUBLIC(MSG_error_t) MSG_task_destroy(m_task_t task);
142
143 XBT_PUBLIC(MSG_error_t) MSG_task_get(m_task_t * task, m_channel_t channel);
144 XBT_PUBLIC(MSG_error_t) MSG_task_get_with_timeout(m_task_t * task,
145                                                   m_channel_t channel,
146                                                   double max_duration);
147 XBT_PUBLIC(MSG_error_t) MSG_task_get_from_host(m_task_t * task,
148                                                int channel, m_host_t host);
149 MSG_error_t MSG_task_receive_from_host(m_task_t * task, const char *alias,
150                                        m_host_t host);
151 XBT_PUBLIC(MSG_error_t) MSG_task_get_ext(m_task_t * task, int channel,
152                                          double max_duration,
153                                          m_host_t host);
154
155
156 XBT_PUBLIC(MSG_error_t) MSG_task_put(m_task_t task, m_host_t dest,
157                                      m_channel_t channel);
158 XBT_PUBLIC(MSG_error_t) MSG_task_put_bounded(m_task_t task,
159                                              m_host_t dest,
160                                              m_channel_t channel,
161                                              double max_rate);
162 XBT_PUBLIC(MSG_error_t) MSG_task_put_with_timeout(m_task_t task,
163                                                   m_host_t dest,
164                                                   m_channel_t channel,
165                                                   double max_duration);
166 XBT_PUBLIC(MSG_error_t) MSG_task_execute(m_task_t task);
167 XBT_PUBLIC(MSG_error_t) MSG_parallel_task_execute(m_task_t task);
168 XBT_PUBLIC(void) MSG_task_set_priority(m_task_t task, double priority);
169
170 XBT_PUBLIC(int) MSG_task_Iprobe(m_channel_t channel);
171 XBT_PUBLIC(int) MSG_task_probe_from(m_channel_t channel);
172 XBT_PUBLIC(int) MSG_task_probe_from_host(int channel, m_host_t host);
173 XBT_PUBLIC(MSG_error_t) MSG_process_sleep(double nb_sec);
174
175 XBT_PUBLIC(double) MSG_task_get_compute_duration(m_task_t task);
176 XBT_PUBLIC(void) MSG_task_set_compute_duration(m_task_t task,
177                                                double compute_duration);
178 XBT_PUBLIC(double) MSG_task_get_remaining_computation(m_task_t task);
179 XBT_PUBLIC(double) MSG_task_get_remaining_communication(m_task_t task);
180 XBT_PUBLIC(int) MSG_task_is_latency_bounded(m_task_t task);
181 XBT_PUBLIC(double) MSG_task_get_data_size(m_task_t task);
182
183
184 XBT_PUBLIC(MSG_error_t)
185     MSG_task_receive_ext(m_task_t * task, const char *alias, double timeout,
186                      m_host_t host);
187
188 XBT_PUBLIC(MSG_error_t)
189     MSG_task_receive_with_timeout(m_task_t * task, const char *alias,
190                               double timeout);
191
192 XBT_PUBLIC(MSG_error_t)
193     MSG_task_receive(m_task_t * task, const char *alias);
194 #define MSG_task_recv(t,a) MSG_task_receive(t,a)
195
196 XBT_PUBLIC(msg_comm_t) MSG_task_isend(m_task_t task, const char *alias);
197 XBT_INLINE XBT_PUBLIC(msg_comm_t) MSG_task_isend_with_matching(m_task_t task, const char *alias,
198                                                                int (*match_fun)(void*,void*),
199                                                                void *match_data);
200
201 XBT_PUBLIC(void) MSG_task_dsend(m_task_t task, const char *alias, void_f_pvoid_t cleanup);
202 XBT_PUBLIC(msg_comm_t) MSG_task_irecv(m_task_t * task, const char *alias);
203 XBT_PUBLIC(int) MSG_comm_test(msg_comm_t comm);
204 XBT_PUBLIC(int) MSG_comm_testany(xbt_dynar_t comms);
205 XBT_PUBLIC(void) MSG_comm_destroy(msg_comm_t comm);
206 XBT_PUBLIC(MSG_error_t) MSG_comm_wait(msg_comm_t comm, double timeout);
207 XBT_PUBLIC(void) MSG_comm_waitall(msg_comm_t * comm, int nb_elem,
208                                   double timeout);
209 XBT_PUBLIC(int) MSG_comm_waitany(xbt_dynar_t comms);
210 XBT_PUBLIC(m_task_t) MSG_comm_get_task(msg_comm_t comm);
211 XBT_PUBLIC(MSG_error_t) MSG_comm_get_status(msg_comm_t comm);
212
213 XBT_PUBLIC(int) MSG_task_listen(const char *alias);
214
215 XBT_PUBLIC(int) MSG_task_listen_from_host(const char *alias,
216                                           m_host_t host);
217
218 XBT_PUBLIC(MSG_error_t)
219     MSG_task_send_with_timeout(m_task_t task, const char *alias,
220                            double timeout);
221
222 XBT_PUBLIC(MSG_error_t)
223     MSG_task_send(m_task_t task, const char *alias);
224
225 XBT_PUBLIC(MSG_error_t)
226     MSG_task_send_bounded(m_task_t task, const char *alias, double rate);
227
228 XBT_PUBLIC(int) MSG_task_listen_from(const char *alias);
229
230 /************************** Task handling ************************************/
231 XBT_PUBLIC(MSG_error_t)
232     MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, m_task_t * task,
233                          m_host_t host, double timeout);
234
235 XBT_PUBLIC(MSG_error_t)
236     MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, m_task_t task,
237                              double timeout);
238
239 /************************** Action handling **********************************/
240 typedef void (*msg_action_fun) (const char *const *args);
241 XBT_PUBLIC(void) MSG_action_register(const char *action_name,
242                                      msg_action_fun function);
243 XBT_PUBLIC(void) MSG_action_unregister(const char *action_name);
244 MSG_error_t MSG_action_trace_run(char *path);
245
246 #ifdef MSG_USE_DEPRECATED
247 /* these are the functions which are deprecated. Do not use them, they may get removed in future releases */
248 #define MSG_TIMEOUT_FAILURE MSG_TIMEOUT
249 #define MSG_TASK_CANCELLED MSG_TASK_CANCELED
250 #define MSG_mailbox_put_with_time_out(mailbox, task, timeout) \
251         MSG_mailbox_put_with_timeout(mailbox, task, timeout)
252
253 #define MSG_process_change_host(h) MSG_process_migrate(MSG_process_self(),h);
254 XBT_PUBLIC(MSG_error_t) MSG_get_errno(void);
255 #endif
256
257 #include "instr/instr.h"
258
259 /* Used only by the bindings */
260 #include "simix/simix.h"
261 XBT_PUBLIC(smx_context_t) MSG_process_get_smx_ctx(m_process_t process);
262
263 SG_END_DECL()
264 #endif