1 /* Task-related bindings to ruby */
3 /* Copyright 2010. The SimGrid Team. All right reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "bindings/ruby_bindings.h"
11 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(ruby);
14 void rb_task_free(m_task_t tk) {
15 //MSG_task_destroy(tk); ( This cause a bug !! is it really necessary ?!! not really sure !! )
19 VALUE rb_task_new(VALUE class, VALUE name,VALUE comp_size,VALUE comm_size) {
20 m_task_t task = MSG_task_create(RSTRING(name)->ptr,NUM2INT(comp_size),NUM2INT(comm_size),NULL);
21 // Wrap m_task_t to a Ruby Value
22 return Data_Wrap_Struct(class, 0, rb_task_free, task);
26 // set Data : For the Moment , we will consider Data as asimple String ( char * )
27 void rb_task_set_data(VALUE class,VALUE task,VALUE data)
29 const char *str_data = RSTRING(data)->ptr;
31 Data_Get_Struct(task, s_m_task_t, tk);
32 tk->data = (void*)str_data;
37 VALUE rb_task_get_data(VALUE class,VALUE task)
40 Data_Get_Struct(task, s_m_task_t, tk);
41 return rb_str_new2(tk->data);
46 //Get Computation Size
47 VALUE rb_task_comp(VALUE class,VALUE task) {
50 // Wrap Ruby Value to m_task_t struct
51 Data_Get_Struct(task, s_m_task_t, tk);
52 size = MSG_task_get_compute_duration(tk);
53 return rb_float_new(size);
57 VALUE rb_task_name(VALUE class,VALUE task) {
59 // Wrap Ruby Value to m_task_t struct
61 Data_Get_Struct(task, s_m_task_t, tk);
62 return rb_str_new2(MSG_task_get_name(tk));
66 VALUE rb_task_execute(VALUE class,VALUE task) {
68 // Wrap Ruby Value to m_task_t struct
70 Data_Get_Struct(task, s_m_task_t, tk);
71 return INT2NUM(MSG_task_execute(tk));
75 void rb_task_send(VALUE class,VALUE task,VALUE mailbox) {
78 // Wrap Ruby Value to m_task_t struct
80 Data_Get_Struct(task, s_m_task_t, tk);
81 DEBUG1("Sending task %p",tk);
82 rv = MSG_task_send(tk,RSTRING(mailbox)->ptr);
85 if (rv == MSG_TRANSFER_FAILURE )
86 rb_raise(rb_eRuntimeError,"Transfer failure while Sending");
87 else if ( rv == MSG_HOST_FAILURE )
88 rb_raise(rb_eRuntimeError,"Host failure while Sending");
89 else if ( rv == MSG_TIMEOUT )
90 rb_raise(rb_eRuntimeError,"Timeout failure while Sending");
92 rb_raise(rb_eRuntimeError,"MSG_task_send failed");
96 // Receiving Task (returns a Task)
97 VALUE rb_task_receive(VALUE class, VALUE mailbox) {
98 // We must put the location where we copy the task
99 // pointer to on the heap, because the stack may move
100 // during the context switches (damn ruby internals)
101 m_task_t *ptask = malloc(sizeof(m_task_t));
104 DEBUG2("Receiving a task on mailbox '%s', store it into %p",RSTRING(mailbox)->ptr,&task);
105 MSG_task_receive(ptask,RSTRING(mailbox)->ptr);
108 return Data_Wrap_Struct(class, 0, rb_task_free, task);
111 // It Return a Native Process ( m_process_t )
112 VALUE rb_task_sender(VALUE class,VALUE task) {
114 Data_Get_Struct(task,s_m_task_t,tk);
116 return 0;//MSG_task_get_sender(tk);
120 VALUE rb_task_source(VALUE class,VALUE task) {
122 Data_Get_Struct(task,s_m_task_t,tk);
124 m_host_t host = MSG_task_get_source(tk);
126 rb_raise(rb_eRuntimeError,"MSG_task_get_source() failed");
134 VALUE rb_task_listen(VALUE class,VALUE task,VALUE alias) {
139 Data_Get_Struct(task,s_m_task_t,tk);
140 p_alias = RSTRING(alias)->ptr;
142 rv = MSG_task_listen(p_alias);
150 VALUE rb_task_listen_host(VALUE class,VALUE task,VALUE alias,VALUE host) {
157 Data_Get_Struct(task,s_m_task_t,tk);
158 Data_Get_Struct(host,s_m_host_t,ht);
159 p_alias = RSTRING(alias)->ptr;
161 rv = MSG_task_listen_from_host(p_alias,ht);
170 void rb_task_set_priority(VALUE class,VALUE task,VALUE priority)
174 double prt = NUM2DBL(priority);
175 Data_Get_Struct(task,s_m_task_t,tk);
176 MSG_task_set_priority(tk,prt);
181 void rb_task_cancel(VALUE class,VALUE task)
184 Data_Get_Struct(task,s_m_task_t,tk);