14796eb04a
Make sure that we always print log messages on Windows. External programs or scripts (including our test suite) might need to see log messages independent of our console settings. Make sure that we always use our log handler and that its stdout / stderr routing matches GLib's. Flush our log output, which is something that GLib's default handler sometimes doesn't do: https://bugzilla.gnome.org/show_bug.cgi?id=792432 Bug: 15605 Change-Id: I4b17f2cb9269b2c87c21835d82770dae93bbfa20 Reviewed-on: https://code.wireshark.org/review/32412 Petri-Dish: Gerald Combs <gerald@wireshark.org> Tested-by: Petri Dish Buildbot Reviewed-by: Gerald Combs <gerald@wireshark.org>
157 lines
4.5 KiB
C
157 lines
4.5 KiB
C
/* console.c
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* Console log handler routines
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <stdio.h>
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#include "epan/prefs.h"
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#include "wsutil/time_util.h"
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#include "console.h"
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#include "log.h"
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static void
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console_log_handler(const char *log_domain, GLogLevelFlags log_level,
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const char *message, gpointer user_data _U_)
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{
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time_t curr;
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struct tm *today;
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const char *level;
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FILE *stream = stderr;
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/* ignore log message, if log_level isn't interesting based
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upon the console log preferences.
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If the preferences haven't been loaded loaded yet, display the
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message anyway.
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The default console_log_level preference value is such that only
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ERROR, CRITICAL and WARNING level messages are processed;
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MESSAGE, INFO and DEBUG level messages are ignored. */
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if((log_level & G_LOG_LEVEL_MASK & prefs.console_log_level) == 0 &&
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prefs.console_log_level != 0) {
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return;
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}
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#ifdef _WIN32
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if (prefs.gui_console_open != console_open_never || log_level & G_LOG_LEVEL_ERROR) {
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/* the user wants a console or the application will terminate immediately */
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create_console();
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}
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#endif
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switch(log_level & G_LOG_LEVEL_MASK) {
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case G_LOG_LEVEL_ERROR:
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level = "Err ";
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break;
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case G_LOG_LEVEL_CRITICAL:
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level = "Crit";
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break;
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case G_LOG_LEVEL_WARNING:
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level = "Warn";
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break;
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case G_LOG_LEVEL_MESSAGE:
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level = "Msg ";
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break;
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case G_LOG_LEVEL_INFO:
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level = "Info";
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stream = stdout;
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break;
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case G_LOG_LEVEL_DEBUG:
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level = "Dbg ";
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stream = stdout;
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break;
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default:
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fprintf(stderr, "unknown log_level %d\n", log_level);
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level = NULL;
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g_assert_not_reached();
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}
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/* create a "timestamp" */
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time(&curr);
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today = localtime(&curr);
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guint64 microseconds = create_timestamp();
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if (today != NULL) {
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fprintf(stream, "%02d:%02d:%02d.%03" G_GUINT64_FORMAT " %8s %s %s\n",
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today->tm_hour, today->tm_min, today->tm_sec,
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microseconds % 1000000 / 1000,
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log_domain != NULL ? log_domain : "",
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level, message);
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} else {
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fprintf(stream, "Time not representable %8s %s %s\n",
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log_domain != NULL ? log_domain : "",
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level, message);
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}
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fflush(stream);
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#ifdef _WIN32
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if(log_level & G_LOG_LEVEL_ERROR) {
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/* wait for a key press before the following error handler will terminate the program
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this way the user at least can read the error message */
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printf("\n\nPress any key to exit\n");
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_getch();
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}
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#endif
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}
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void set_console_log_handler(void)
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{
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GLogLevelFlags log_flags;
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/* Arrange that if we have no console window, and a GLib message logging
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routine is called to log a message, we pop up a console window.
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We do that by inserting our own handler for all messages logged
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to the default domain; that handler pops up a console if necessary,
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and then calls the default handler. */
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/* We might want to have component specific log levels later ... */
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log_flags = (GLogLevelFlags)
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(G_LOG_LEVEL_ERROR|
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G_LOG_LEVEL_CRITICAL|
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G_LOG_LEVEL_WARNING|
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G_LOG_LEVEL_MESSAGE|
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G_LOG_LEVEL_INFO|
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G_LOG_LEVEL_DEBUG|
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G_LOG_FLAG_FATAL|
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G_LOG_FLAG_RECURSION);
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g_log_set_handler(NULL,
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log_flags,
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console_log_handler, NULL /* user_data */);
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g_log_set_handler(LOG_DOMAIN_MAIN,
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log_flags,
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console_log_handler, NULL /* user_data */);
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#ifdef HAVE_LIBPCAP
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g_log_set_handler(LOG_DOMAIN_CAPTURE,
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log_flags,
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console_log_handler, NULL /* user_data */);
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g_log_set_handler(LOG_DOMAIN_CAPTURE_CHILD,
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log_flags,
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console_log_handler, NULL /* user_data */);
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#endif
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}
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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