usage log is not displaying repeating paths, minor fixes

Author: bocianu

tnfs/tnfsd/bin/tnfsd

@@ -26,6 +26,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <ctype.h>
 #include <dirent.h>
 #include <sys/stat.h>
 #include <string.h>
@@ -342,7 +343,10 @@ void tnfs_seekdir(Header *hdr, Session *s, unsigned char *databuf, int datasz)
 	}
 #ifdef USAGELOG
 	if (pos == 0) {
-	        USGLOG(hdr, "Path changed to: %s", s->dhandles[*databuf].path);
+		if (strcmp(s->lastpath, s->dhandles[*databuf].path) != 0) {
+		        USGLOG(hdr, "Path changed to: %s", s->dhandles[*databuf].path);
+		};
+		strcpy(s->lastpath, s->dhandles[*databuf].path);
 	}
 #endif
 

tnfs/tnfsd/directory.c

@@ -140,6 +140,7 @@ int tnfs_mount(Header *hdr, unsigned char *buf, int bufsz)
 #endif
 #ifdef USAGELOG
 		USGLOG(hdr, "Session started at: %s", s->root);
+		s->lastpath[0] = 0;
 #endif
 	}
 	else

tnfs/tnfsd/session.c

@@ -129,6 +129,9 @@ typedef struct _session
 	dir_handle dhandles[MAX_DHND_PER_CONN];
 	char *root;			/* requested root dir */
 	unsigned char lastmsg[MAXMSGSZ];/* last message sent */
+#ifdef USAGELOG
+	char lastpath[MAX_TNFSPATH];    /* last path visited */
+#endif
 	int lastmsgsz;			/* last message's size inc. hdr */
 	uint8_t lastseqno;		/* last sequence number */
 	uint8_t isTCP;			/* uses the TCP transport */

tnfs/tnfsd/tnfs.h

@@ -49,6 +49,7 @@
 #include "errortable.h"
 #include "endian.h"
 #include "bsdcompat.h"
+#include "log.h"
 
 char fnbuf[MAX_FILEPATH];
 unsigned char iobuf[MAX_IOSZ + 2]; /* 2 bytes added for the size param */