big s/polyp/pulse/g

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f

src/pulsecore/log.c

@@ -0,0 +1,211 @@
+/* $Id$ */
+
+/***
+  This file is part of PulseAudio.
+ 
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as
+  published by the Free Software Foundation; either version 2 of the
+  License, or (at your option) any later version.
+ 
+  PulseAudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+ 
+  You should have received a copy of the GNU Lesser General Public
+  License along with PulseAudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <assert.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+
+#ifdef HAVE_SYSLOG_H
+#include <syslog.h>
+#endif
+
+#include <pulse/utf8.h>
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/core-util.h>
+
+#include "log.h"
+
+#define ENV_LOGLEVEL "POLYP_LOG"
+
+static char *log_ident = NULL, *log_ident_local = NULL;
+static pa_log_target_t log_target = PA_LOG_STDERR;
+static void (*user_log_func)(pa_log_level_t l, const char *s) = NULL;
+static pa_log_level_t maximal_level = PA_LOG_NOTICE;
+
+#ifdef HAVE_SYSLOG_H
+static const int level_to_syslog[] = {
+    [PA_LOG_ERROR] = LOG_ERR,
+    [PA_LOG_WARN] = LOG_WARNING,
+    [PA_LOG_NOTICE] = LOG_NOTICE,
+    [PA_LOG_INFO] = LOG_INFO,
+    [PA_LOG_DEBUG] = LOG_DEBUG
+};
+#endif
+
+void pa_log_set_ident(const char *p) {
+    if (log_ident)
+        pa_xfree(log_ident);
+    if (log_ident_local)
+        pa_xfree(log_ident_local);
+
+    log_ident = pa_xstrdup(p);
+    log_ident_local = pa_utf8_to_locale(log_ident);
+    if (!log_ident_local)
+        log_ident_local = pa_xstrdup(log_ident);
+}
+
+void pa_log_set_maximal_level(pa_log_level_t l) {
+    assert(l < PA_LOG_LEVEL_MAX);
+    maximal_level = l;
+}
+
+void pa_log_set_target(pa_log_target_t t, void (*func)(pa_log_level_t l, const char*s)) {
+    assert(t == PA_LOG_USER || !func);
+    log_target = t;
+    user_log_func = func;
+}
+
+void pa_log_levelv(pa_log_level_t level, const char *format, va_list ap) {
+    const char *e;
+    char *text, *t, *n;
+    
+    assert(level < PA_LOG_LEVEL_MAX);
+
+    if ((e = getenv(ENV_LOGLEVEL)))
+        maximal_level = atoi(e);
+    
+    if (level > maximal_level)
+        return;
+
+    text = pa_vsprintf_malloc(format, ap);
+
+    if (!pa_utf8_valid(text))
+        pa_log_level(level, __FILE__": invalid UTF-8 string following below:");
+
+    for (t = text; t; t = n) {
+        if ((n = strchr(t, '\n'))) {
+            *n = 0;
+            n++;
+        }
+
+        if (!*t)
+            continue;
+    
+        switch (log_target) {
+            case PA_LOG_STDERR: {
+                const char *prefix = "", *suffix = "";
+                char *local_t;
+
+#ifndef OS_IS_WIN32                
+                /* Yes indeed. Useless, but fun! */
+                if (isatty(STDERR_FILENO)) {
+                    if (level <= PA_LOG_ERROR) {
+                        prefix = "\x1B[1;31m";
+                        suffix = "\x1B[0m";
+                    } else if (level <= PA_LOG_WARN) {
+                        prefix = "\x1B[1m";
+                        suffix = "\x1B[0m";
+                    }
+                }
+#endif
+
+                local_t = pa_utf8_to_locale(t);
+                if (!local_t)
+                    fprintf(stderr, "%s%s%s\n", prefix, t, suffix);
+                else {
+                    fprintf(stderr, "%s%s%s\n", prefix, local_t, suffix);
+                    pa_xfree(local_t);
+                }
+
+                break;
+            }
+                
+#ifdef HAVE_SYSLOG_H            
+            case PA_LOG_SYSLOG: {
+                char *local_t;
+
+                openlog(log_ident_local ? log_ident_local : "???", LOG_PID, LOG_USER);
+
+                local_t = pa_utf8_to_locale(t);
+                if (!local_t)
+                    syslog(level_to_syslog[level], "%s", t);
+                else {
+                    syslog(level_to_syslog[level], "%s", local_t);
+                    pa_xfree(local_t);
+                }
+
+                closelog();
+                break;            
+            }
+#endif
+                
+            case PA_LOG_USER: 
+                user_log_func(level, t);
+                break;
+                
+            case PA_LOG_NULL:
+            default:
+                break;
+        }
+    }
+
+    pa_xfree(text);
+
+}
+
+void pa_log_level(pa_log_level_t level, const char *format, ...) {
+    va_list ap;
+    va_start(ap, format);
+    pa_log_levelv(level, format, ap);
+    va_end(ap);
+}
+
+void pa_log_debug(const char *format, ...) {
+    va_list ap;
+    va_start(ap, format);
+    pa_log_levelv(PA_LOG_DEBUG, format, ap);
+    va_end(ap);
+}
+
+void pa_log_info(const char *format, ...) {
+    va_list ap;
+    va_start(ap, format);
+    pa_log_levelv(PA_LOG_INFO, format, ap);
+    va_end(ap);
+}
+
+void pa_log_notice(const char *format, ...) {
+    va_list ap;
+    va_start(ap, format);
+    pa_log_levelv(PA_LOG_INFO, format, ap);
+    va_end(ap);
+}
+
+void pa_log_warn(const char *format, ...) {
+    va_list ap;
+    va_start(ap, format);
+    pa_log_levelv(PA_LOG_WARN, format, ap);
+    va_end(ap);
+}
+
+void pa_log_error(const char *format, ...) {
+    va_list ap;
+    va_start(ap, format);
+    pa_log_levelv(PA_LOG_ERROR, format, ap);
+    va_end(ap);
+}