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,"All GRAS categories (cf. section \ref GRAS_API)");
29 static int gras_running_process = 0;
30 #if defined(HAVE_SIGNAL) && defined(HAVE_SIGNAL_H)
31 static void gras_sigusr_handler(int sig) {
32 INFO0("SIGUSR1 received. Display the backtrace");
33 xbt_backtrace_display_current();
36 static void gras_sigint_handler(int sig) {
37 static double lastone = 0;
38 if (lastone == 0 || xbt_os_time() - lastone > 5) {
39 xbt_backtrace_display_current();
41 "\nBacktrace displayed because Ctrl-C was pressed. Press again (within 5 sec) to abort the process.\n");
42 lastone = xbt_os_time();
49 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt);
50 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt_cbps);
51 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt_convert);
52 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt_create);
53 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt_exchange);
54 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt_lexer);
55 XBT_LOG_EXTERNAL_CATEGORY(gras_ddt_parse);
56 XBT_LOG_EXTERNAL_CATEGORY(gras_modules);
57 XBT_LOG_EXTERNAL_CATEGORY(gras_msg);
58 XBT_LOG_EXTERNAL_CATEGORY(gras_msg_read);
59 XBT_LOG_EXTERNAL_CATEGORY(gras_msg_rpc);
60 XBT_LOG_EXTERNAL_CATEGORY(gras_timer);
61 XBT_LOG_EXTERNAL_CATEGORY(gras_trp);
62 XBT_LOG_EXTERNAL_CATEGORY(gras_trp_meas);
63 XBT_LOG_EXTERNAL_CATEGORY(gras_virtu);
64 XBT_LOG_EXTERNAL_CATEGORY(gras_virtu_emul);
65 XBT_LOG_EXTERNAL_CATEGORY(gras_virtu_process);
67 void gras_init(int *argc,char **argv) {
70 gras_msg_procdata_t msg_pd;
71 VERB0("Initialize GRAS");
73 xbt_getpid = gras_os_getpid;
74 /* First initialize the XBT */
77 /* module registrations:
78 * - declare process specific data we need (without creating them)
80 if (gras_running_process == 0) {
81 /* Connect our log channels: that must be done manually under windows */
82 XBT_LOG_CONNECT(gras_ddt, gras);
83 XBT_LOG_CONNECT(gras_ddt_cbps, gras_ddt);
84 XBT_LOG_CONNECT(gras_ddt_convert, gras_ddt);
85 XBT_LOG_CONNECT(gras_ddt_create, gras_ddt);
86 XBT_LOG_CONNECT(gras_ddt_exchange, gras_ddt);
87 XBT_LOG_CONNECT(gras_ddt_lexer, gras_ddt_parse);
88 XBT_LOG_CONNECT(gras_ddt_parse, gras_ddt);
90 XBT_LOG_CONNECT(gras_modules, gras);
92 XBT_LOG_CONNECT(gras_msg, gras);
93 XBT_LOG_CONNECT(gras_msg_read, gras_msg);
94 XBT_LOG_CONNECT(gras_msg_rpc, gras_msg);
96 XBT_LOG_CONNECT(gras_timer, gras);
98 XBT_LOG_CONNECT(gras_trp, gras);
99 XBT_LOG_CONNECT(gras_trp_meas, gras_trp);
101 XBT_LOG_CONNECT(gras_virtu, gras);
102 XBT_LOG_CONNECT(gras_virtu_emul, gras_virtu);
103 XBT_LOG_CONNECT(gras_virtu_process, gras_virtu);
110 * Initialize the process specific stuff
112 gras_process_init(); /* calls procdata_init, which creates process specific data for each module */
115 * Initialize the global stuff if it's not the first process created
117 if (gras_running_process++ == 0) {
121 gras_datadesc_init();
122 #if defined(HAVE_SIGNAL) && defined(HAVE_SIGNAL_H)
124 signal(SIGUSR1,gras_sigusr_handler);
126 signal(SIGINT,gras_sigint_handler);
130 /* and then init amok */
132 pd = gras_procdata_get();
133 msg_pd = gras_libdata_by_name("gras_msg");
134 pd->listener = gras_msg_listener_launch(msg_pd->msg_received);
137 void gras_exit(void) {
139 INFO0("Exiting GRAS");
141 gras_moddata_leave();
142 pd = gras_procdata_get();
143 gras_msg_listener_shutdown(pd->listener);
145 if (--gras_running_process == 0) {
148 gras_datadesc_exit();
155 const char *hexa_str(unsigned char *data, int size, int downside) {
156 static char*buff=NULL;
157 static int buffsize=0;
161 if (buffsize<5*(size+1)) {
165 buff=xbt_malloc(buffsize);
177 for (i=begin; 0<=i && i<size ; i+=increment) {
178 if (data[i]<32 || data[i]>126)
179 sprintf(buff+pos,".");
181 sprintf(buff+pos,"%c",data[i]);
184 sprintf(buff+pos,"(");
186 for (i=begin; 0<=i && i<size ; i+=increment) {
187 sprintf(buff+pos,"%02x",data[i]);
190 sprintf(buff+pos,")");
195 void hexa_print(const char*name, unsigned char *data, int size) {
196 printf("%s: %s\n", name,hexa_str(data,size,0));