add license headers

[archipelago] / xseg / sys / kernel / xsegmod.c

diff --git a/xseg/sys/kernel/xsegmod.c b/xseg/sys/kernel/xsegmod.c
index 75a2a55..027a4d5 100644 (file)
--- a/xseg/sys/kernel/xsegmod.c
+++ b/xseg/sys/kernel/xsegmod.c
@@ -1,3 +1,37 @@
+/*
+ * Copyright 2012 GRNET S.A. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above
+ *      copyright notice, this list of conditions and the following
+ *      disclaimer.
+ *   2. Redistributions in binary form must reproduce the above
+ *      copyright notice, this list of conditions and the following
+ *      disclaimer in the documentation and/or other materials
+ *      provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and
+ * documentation are those of the authors and should not be
+ * interpreted as representing official policies, either expressed
+ * or implied, of GRNET S.A.
+ */
+
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/slab.h>
@@ -5,14 +39,13 @@
 #include <linux/time.h>
 
 #include <sys/domain.h>
+#include <sys/util.h>
 #include <xtypes/domain.h>
 #include <xseg/domain.h>
 
 int (*xseg_snprintf)(char *str, size_t size, const char *format, ...) = snprintf;
-EXPORT_SYMBOL(xseg_snprintf);
 
 char __xseg_errbuf[4096];
-EXPORT_SYMBOL(__xseg_errbuf);
 
 static spinlock_t __lock;
 
@@ -45,7 +78,6 @@ void __xseg_log(const char *msg)
 {
        (void)printk(KERN_INFO "%s\n", msg);
 }
-EXPORT_SYMBOL(__xseg_log);
 
 void *xtypes_malloc(unsigned long size)
 {
@@ -74,27 +106,40 @@ static void __exit xsegmod_exit(void)
        return;
 }
 
-struct log_ctx {
-       void *logfile;
-       char *peer_name;
-       unsigned int log_level; 
-};
 
-int kernel_init_logctx(struct log_ctx *lc, char *peer_name, unsigned int log_level, char *logfile)
+int __renew_logctx(struct log_ctx *lc, char *peer_name,
+                enum log_level log_level, char *logfile, uint32_t flags)
 {
-       lc->peer_name = peer_name;
+       return 0;
+}
+
+int (*renew_logctx)(struct log_ctx *lc, char *peer_name,
+        enum log_level log_level, char *logfile, uint32_t flags) = __renew_logctx;
+
+int __init_logctx(struct log_ctx *lc, char *peer_name,
+               enum log_level log_level, char *logfile, uint32_t flags)
+{
+       if (peer_name){
+               strncpy(lc->peer_name, peer_name, MAX_PEER_NAME);
+               lc->peer_name[MAX_PEER_NAME -1] = 0;
+       }
+       else {
+               return -1;
+       }
+
        lc->log_level = log_level;
        lc->logfile = NULL;
        return 0;
 }
-int (*init_logctx)(struct log_ctx *lc, char *peer_name, enum log_level log_level, char *logfile) = kernel_init_logctx;
+int (*init_logctx)(struct log_ctx *lc, char *peer_name,
+       enum log_level log_level, char *logfile, uint32_t flags) = __init_logctx;
 
 void __xseg_log2(struct log_ctx *lc, unsigned int level, char *fmt, ...)
 {
        va_list ap;
        struct timeval t;
        struct tm broken;
-       char timebuf[1024], buffer[4096];
+       char buffer[1500];
        char *buf = buffer;
        char *type = NULL, *pn = NULL;
 
@@ -112,7 +157,7 @@ void __xseg_log2(struct log_ctx *lc, unsigned int level, char *fmt, ...)
 
        do_gettimeofday(&t);
        time_to_tm(t.tv_sec, 0, &broken);       
-       
+
        buf += sprintf(buf, "%s: %s: ", type, lc->peer_name);
        buf += sprintf(buf, "%d:%d:%d:%ld\n\t", broken.tm_hour, broken.tm_min, 
                          broken.tm_sec, t.tv_usec);
@@ -125,10 +170,15 @@ void __xseg_log2(struct log_ctx *lc, unsigned int level, char *fmt, ...)
        return;
 }
 
+void xseg_printtrace(void)
+{
+       dump_stack();
+}
+
 module_init(xsegmod_init);
 module_exit(xsegmod_exit);
 
 MODULE_DESCRIPTION("xseg");
 MODULE_AUTHOR("XSEG");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("BSD");