""
authorMartin Willi <martin@strongswan.org>
Wed, 9 Nov 2005 15:28:48 +0000 (15:28 -0000)
committerMartin Willi <martin@strongswan.org>
Wed, 9 Nov 2005 15:28:48 +0000 (15:28 -0000)
Source/charon/logger.c [new file with mode: 0644]
Source/charon/logger.h [new file with mode: 0644]

diff --git a/Source/charon/logger.c b/Source/charon/logger.c
new file mode 100644 (file)
index 0000000..f199b01
--- /dev/null
@@ -0,0 +1,141 @@
+/**
+ * @file logger.c
+ * 
+ * @brief Logger object, allows fine-controlled logging
+ * 
+ */
+
+/*
+ * Copyright (C) 2005 Jan Hutter, Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+
+
+#include "logger.h"
+#include "types.h"
+#include "allocator.h"
+
+#include <syslog.h>
+#include <stdarg.h>
+
+
+
+/**
+ * @brief The logger object
+ */
+typedef struct private_logger_s private_logger_t;
+struct private_logger_s {      
+       /**
+        * Public data
+        */
+       logger_t public;
+       /**
+        * fd to log, NULL for syslog
+        */
+       FILE *target;
+       /**
+        * detail-level of logger
+        */
+       logger_level_t level;
+       /**
+        * name of logger
+        */
+       char *name;
+};
+
+
+
+static status_t logg(private_logger_t *this, logger_level_t loglevel, char *format, ...)
+{
+       if ((this->level & loglevel) == loglevel)
+       {
+               va_list args;
+               va_start(args, format);
+               
+               if (this->target)
+               {
+                       fprintf(this->target, format, args);
+                       fprintf(this->target, "\n");
+               }
+               else
+               {
+                       syslog(LOG_INFO, format, args);
+               }       
+               va_end(args);   
+       }
+       
+       
+       return SUCCESS;
+}
+       
+static status_t enable_level(private_logger_t *this, logger_level_t log_level)
+{
+       this->level |= log_level;
+       return SUCCESS;
+}
+       
+static status_t disable_level(private_logger_t *this, logger_level_t log_level)
+{
+       this->level &= (~log_level);
+       return SUCCESS;
+}
+       
+static status_t destroy(private_logger_t *this)
+{
+       if (this->target)
+       {
+               fclose(this->target);
+       }
+       allocator_free(this);
+       return SUCCESS;
+}
+
+
+logger_t *logger_create(char *logger_name, char *file, logger_level_t log_level)
+{
+       private_logger_t *this = allocator_alloc_thing(private_logger_t);
+               
+       if (this == NULL)
+       {
+               return NULL;    
+       }
+       
+       this->public.log = (status_t(*)(logger_t*,logger_level_t,char*,...))logg;
+       this->public.enable_level = (status_t(*)(logger_t*,logger_level_t))enable_level;
+       this->public.disable_level = (status_t(*)(logger_t*,logger_level_t))disable_level;
+       this->public.destroy = (status_t(*)(logger_t*))destroy;
+
+       this->level = log_level;
+       this->name = logger_name;
+       
+       /* use system logger ? */
+       if (file)
+       {
+               this->target = fopen(file, "a");
+               if (this->target == NULL) 
+               {
+                       allocator_free(this);
+                       return NULL;    
+               }
+       }
+       else
+       {
+               this->target = NULL;
+               openlog("charon", 0, LOG_DAEMON);
+       }
+       
+       return (logger_t*)this;
+}
+
+
diff --git a/Source/charon/logger.h b/Source/charon/logger.h
new file mode 100644 (file)
index 0000000..5ab0990
--- /dev/null
@@ -0,0 +1,67 @@
+/**
+ * @file logger.h
+ * 
+ * @brief Logger object, allows fine-controlled logging
+ * 
+ */
+
+/*
+ * Copyright (C) 2005 Jan Hutter, Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+#ifndef LOGGER_H_
+#define LOGGER_H_
+
+#include "types.h"
+
+
+typedef enum logger_level_e logger_level_t;
+enum logger_level_e {
+       CONTROL = 1,
+       CONTROL_MORE = 2,
+       RAW = 4,
+       PRIVATE = 8
+};
+
+
+
+
+/**
+ * @brief The logger object
+ */
+typedef struct logger_s logger_t;
+struct logger_s {      
+       status_t (*log) (logger_t *this, logger_level_t loglevel, char *format, ...);
+       
+       status_t (*enable_level) (logger_t *this, logger_level_t log_level);
+       
+       status_t (*disable_level) (logger_t *this, logger_level_t log_level);
+       
+       /**
+        * @brief Destroys a generator object
+        * 
+        * @param generator generator object
+        * @return SUCCESSFUL if succeeded, FAILED otherwise
+        */
+       status_t (*destroy) (logger_t *this);
+};
+
+/**
+ * Constructor to create a logger
+ * 
+ */
+logger_t *logger_create(char *logger_name, char *file, logger_level_t log_level);
+
+#endif /*LOGGER_H_*/
+