1 /* Task-related bindings to ruby */
3 /* Copyright (c) 2010. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
10 #include "bindings/ruby_bindings.h"
12 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(ruby);
15 void rb_task_free(m_task_t tk) {
16 //MSG_task_destroy(tk); ( This cause a bug !! is it really necessary ?!! not really sure !! )
20 VALUE rb_task_new(VALUE class, VALUE name,VALUE comp_size,VALUE comm_size) {
21 m_task_t task = MSG_task_create(RSTRING(name)->ptr,NUM2INT(comp_size),NUM2INT(comm_size),NULL);
22 rb_data_t data = malloc(sizeof(s_ruby_data_t));
23 data->ruby_task = NULL;
24 data->user_data = NULL;
25 MSG_task_set_data(task,(void*)data);
26 // Wrap m_task_t to a Ruby Value
27 return Data_Wrap_Struct(class, 0, rb_task_free, task);
30 //Get Computation Size
31 VALUE rb_task_comp(VALUE class,VALUE task) {
34 // Wrap Ruby Value to m_task_t struct
35 Data_Get_Struct(task, s_m_task_t, tk);
36 size = MSG_task_get_compute_duration(tk);
37 return rb_float_new(size);
41 VALUE rb_task_name(VALUE class,VALUE task) {
43 // Wrap Ruby Value to m_task_t struct
45 Data_Get_Struct(task, s_m_task_t, tk);
46 return rb_str_new2(MSG_task_get_name(tk));
50 VALUE rb_task_execute(VALUE class,VALUE task) {
52 // Wrap Ruby Value to m_task_t struct
54 Data_Get_Struct(task, s_m_task_t, tk);
55 return INT2NUM(MSG_task_execute(tk));
59 void rb_task_send(VALUE class,VALUE task,VALUE mailbox) {
63 // Wrap Ruby Value to m_task_t struct
65 Data_Get_Struct(task, s_m_task_t, tk);
66 data = MSG_task_get_data(tk);
67 data->ruby_task =(void*)task;
68 MSG_task_set_data(tk,(void*)data);
69 DEBUG1("Sending task %p",tk);
70 rv = MSG_task_send(tk,RSTRING(mailbox)->ptr);
73 if (rv == MSG_TRANSFER_FAILURE )
74 rb_raise(rb_eRuntimeError,"Transfer failure while Sending");
75 else if ( rv == MSG_HOST_FAILURE )
76 rb_raise(rb_eRuntimeError,"Host failure while Sending");
77 else if ( rv == MSG_TIMEOUT )
78 rb_raise(rb_eRuntimeError,"Timeout failure while Sending");
80 rb_raise(rb_eRuntimeError,"MSG_task_send failed");
84 // Receiving Task (returns a Task)
85 VALUE rb_task_receive(VALUE class, VALUE mailbox) {
86 // We must put the location where we copy the task
87 // pointer to on the heap, because the stack may move
88 // during the context switches (damn ruby internals)
89 m_task_t *ptask = malloc(sizeof(m_task_t));
93 DEBUG2("Receiving a task on mailbox '%s', store it into %p",RSTRING(mailbox)->ptr,&task);
94 MSG_task_receive(ptask,RSTRING(mailbox)->ptr);
97 data = MSG_task_get_data(task);
98 if(data==NULL) printf("Empty task while receving");
99 return (VALUE)data->ruby_task;
102 // It Return a Native Process ( m_process_t )
103 VALUE rb_task_sender(VALUE class,VALUE task) {
105 Data_Get_Struct(task,s_m_task_t,tk);
107 return 0;//MSG_task_get_sender(tk);
111 VALUE rb_task_source(VALUE class,VALUE task) {
113 Data_Get_Struct(task,s_m_task_t,tk);
115 m_host_t host = MSG_task_get_source(tk);
117 rb_raise(rb_eRuntimeError,"MSG_task_get_source() failed");
125 VALUE rb_task_listen(VALUE class,VALUE task,VALUE alias) {
130 Data_Get_Struct(task,s_m_task_t,tk);
131 p_alias = RSTRING(alias)->ptr;
133 rv = MSG_task_listen(p_alias);
141 VALUE rb_task_listen_host(VALUE class,VALUE task,VALUE alias,VALUE host) {
148 Data_Get_Struct(task,s_m_task_t,tk);
149 Data_Get_Struct(host,s_m_host_t,ht);
150 p_alias = RSTRING(alias)->ptr;
151 rv = MSG_task_listen_from_host(p_alias,ht);
159 void rb_task_set_priority(VALUE class,VALUE task,VALUE priority)
163 double prt = NUM2DBL(priority);
164 Data_Get_Struct(task,s_m_task_t,tk);
165 MSG_task_set_priority(tk,prt);
170 void rb_task_cancel(VALUE class,VALUE task)
173 Data_Get_Struct(task,s_m_task_t,tk);
178 void rb_task_set_data(VALUE class,VALUE task,VALUE data)
182 Data_Get_Struct(task,s_m_task_t,tk);
183 rb_data = MSG_task_get_data(tk);
184 rb_data->user_data = (void*)data;
185 MSG_task_set_data(tk,(void*)rb_data);
189 VALUE rb_task_get_data(VALUE class,VALUE task)
192 Data_Get_Struct(task,s_m_task_t,tk);
193 rb_data_t rb_data = MSG_task_get_data(tk);
194 if(!rb_data->user_data)
195 ERROR1("the task %s contain no user data",MSG_task_get_name(tk));
197 return (VALUE)rb_data->user_data;
200 VALUE rb_task_has_data(VALUE class,VALUE task)
203 Data_Get_Struct(task,s_m_task_t,tk);
204 rb_data_t rb_data = MSG_task_get_data(tk);
205 if(!rb_data->user_data)