3 /* gras.c -- generic functions not fitting anywhere else */
5 /* Copyright (c) 2003, 2004 Martin Quinson. */
6 /* All rights reserved. */
8 /* This program is free software; you can redistribute it and/or modify it
9 * under the terms of the license (GNU LGPL) which comes with this package. */
12 #include "xbt/virtu.h" /* set the XBT virtualization to use GRAS */
13 #include "xbt/module.h" /* xbt_init/exit */
14 #include "xbt/xbt_os_time.h" /* xbt_os_time */
15 #include "xbt/synchro.h"
17 #include "Virtu/virtu_interface.h" /* Module mechanism FIXME: deplace&rename */
18 #include "Virtu/virtu_private.h"
19 #include "gras_modinter.h" /* module init/exit */
20 #include "amok/amok_modinter.h" /* module init/exit */
21 #include "xbt_modinter.h" /* module init/exit */
24 #include "gras/process.h" /* FIXME: killme and put process_init in modinter */
25 #include "gras/Msg/msg_private.h"
26 #include "portable.h" /* hexa_*(); signalling stuff */
28 XBT_LOG_NEW_DEFAULT_CATEGORY(gras,
29 "All GRAS categories (cf. section \ref GRAS_API)");
30 static int gras_running_process = 0;
31 #if defined(HAVE_SIGNAL) && defined(HAVE_SIGNAL_H)
32 static void gras_sigusr_handler(int sig)
34 INFO0("SIGUSR1 received. Display the backtrace");
35 xbt_backtrace_display_current();
38 static void gras_sigint_handler(int sig)
40 static double lastone = 0;
41 if (lastone == 0 || xbt_os_time() - lastone > 5) {
43 xbt_backtrace_display_current();
45 SIMIX_display_process_status();
47 "\nBacktrace displayed because Ctrl-C was pressed. Press again (within 5 sec) to abort the process.\n");
48 lastone = xbt_os_time();
55 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt);
56 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt_cbps);
57 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt_convert);
58 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt_create);
59 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt_exchange);
60 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt_lexer);
61 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt_parse);
62 XBT_LOG_EXTERNAL_CATEGORY(gras_modules);
63 XBT_LOG_EXTERNAL_CATEGORY(gras_msg);
64 XBT_LOG_EXTERNAL_CATEGORY(gras_msg_read);
65 XBT_LOG_EXTERNAL_CATEGORY(gras_msg_rpc);
66 XBT_LOG_EXTERNAL_CATEGORY(gras_timer);
67 XBT_LOG_EXTERNAL_CATEGORY(gras_trp);
68 XBT_LOG_EXTERNAL_CATEGORY(gras_trp_meas);
69 XBT_LOG_EXTERNAL_CATEGORY(gras_virtu);
70 XBT_LOG_EXTERNAL_CATEGORY(gras_virtu_emul);
71 XBT_LOG_EXTERNAL_CATEGORY(gras_virtu_process);
73 void gras_init(int *argc, char **argv)
77 gras_msg_procdata_t msg_pd;
78 VERB0("Initialize GRAS");
80 xbt_getpid = gras_os_getpid;
81 /* First initialize the XBT */
84 /* module registrations:
85 * - declare process specific data we need (without creating them)
87 if (gras_running_process == 0) {
88 /* Connect our log channels: that must be done manually under windows */
89 XBT_LOG_CONNECT(gras_ddt, gras);
90 XBT_LOG_CONNECT(gras_ddt_cbps, gras_ddt);
91 XBT_LOG_CONNECT(gras_ddt_convert, gras_ddt);
92 XBT_LOG_CONNECT(gras_ddt_create, gras_ddt);
93 XBT_LOG_CONNECT(gras_ddt_exchange, gras_ddt);
94 XBT_LOG_CONNECT(gras_ddt_lexer, gras_ddt_parse);
95 XBT_LOG_CONNECT(gras_ddt_parse, gras_ddt);
97 XBT_LOG_CONNECT(gras_modules, gras);
99 XBT_LOG_CONNECT(gras_msg, gras);
100 XBT_LOG_CONNECT(gras_msg_read, gras_msg);
101 XBT_LOG_CONNECT(gras_msg_rpc, gras_msg);
103 XBT_LOG_CONNECT(gras_timer, gras);
105 XBT_LOG_CONNECT(gras_trp, gras);
106 XBT_LOG_CONNECT(gras_trp_meas, gras_trp);
108 XBT_LOG_CONNECT(gras_virtu, gras);
109 XBT_LOG_CONNECT(gras_virtu_emul, gras_virtu);
110 XBT_LOG_CONNECT(gras_virtu_process, gras_virtu);
117 * Initialize the process specific stuff
119 gras_process_init(); /* calls procdata_init, which creates process specific data for each module */
122 * Initialize the global stuff if it's not the first process created
124 if (gras_running_process++ == 0) {
128 gras_datadesc_init();
129 #if defined(HAVE_SIGNAL) && defined(HAVE_SIGNAL_H)
131 signal(SIGUSR1, gras_sigusr_handler);
133 signal(SIGINT, gras_sigint_handler);
137 /* and then init amok */
140 /* And finally, launch the listener thread */
141 pd = gras_procdata_get();
142 msg_pd = gras_libdata_by_name("gras_msg");
143 pd->listener = gras_msg_listener_launch(msg_pd->msg_received);
149 INFO0("Exiting GRAS");
151 gras_moddata_leave();
152 pd = gras_procdata_get();
153 gras_msg_listener_shutdown(pd->listener);
155 if (--gras_running_process == 0) {
158 gras_datadesc_exit();
165 const char *hexa_str(unsigned char *data, int size, int downside)
167 static char *buff = NULL;
168 static int buffsize = 0;
170 int begin, increment;
172 if (buffsize < 5 * (size + 1)) {
175 buffsize = 5 * (size + 1);
176 buff = xbt_malloc(buffsize);
188 for (i = begin; 0 <= i && i < size; i += increment) {
189 if (data[i] < 32 || data[i] > 126)
190 sprintf(buff + pos, ".");
192 sprintf(buff + pos, "%c", data[i]);
195 sprintf(buff + pos, "(");
197 for (i = begin; 0 <= i && i < size; i += increment) {
198 sprintf(buff + pos, "%02x", data[i]);
201 sprintf(buff + pos, ")");
207 void hexa_print(const char *name, unsigned char *data, int size)
209 printf("%s: %s\n", name, hexa_str(data, size, 0));