Fix build in FreeBSD/DragonflyBSD

when section above or below is collapsed

.travis.yml

@@ -1,10 +1,40 @@
 language: c
+
+os:
+  - linux
+  - osx
+
+env:
+  global:
+    - secure: "C87Pgf5AVDoyQfm9MIv81g"
+
 compiler:
   - gcc
   - clang
-before_install:
-  - sudo apt-get install libconfuse-dev
-  - sudo apt-get install libnl-3-dev libnl-route-3-dev
-  - sudo apt-get install libncurses-dev
-# Change this to your needs
-script: ./.travis/run.sh
+
+# container-based builds
+sudo: false
+addons:
+  apt:
+    packages:
+    # packages list: https://github.com/travis-ci/apt-package-whitelist/blob/master/ubuntu-precise
+    - libconfuse-dev
+    - libncurses5-dev
+    - libnl-3-dev
+    - libnl-route-3-dev
+  coverity_scan:
+    project:
+      name: "tgraf/bmon"
+      description: "bandwidth monitor"
+    notification_email: tgraf@suug.ch
+    build_command_prepend: "./autogen.sh && ./configure"
+    build_command: "make -j2"
+    branch_pattern: coverity_scan
+
+
+install:
+  - if [ "$TRAVIS_BRANCH" = "coverity_scan" ] && ! [ "$TRAVIS_OS_NAME" = "linux" -a "$CC" = "gcc" ]; then exit ; fi
+  - if [ "$TRAVIS_OS_NAME" = "osx" ]; then brew update > /dev/null && brew install confuse ; fi
+
+script:
+  - ./.travis/run.sh

NEWS

@@ -1,34 +1,46 @@
+HEAD
+
+v4.0 - Dec 13, 2016
+ * Use monotonic clock instead of realtime clock
+ * Pick default selected interface based on policy
+ * Collect RX NoHandler statistics if available (Linux)
+ * CentOS installation instructions
+ * Proper stdout flush in ASCII mode
+ * Bugfixes
+
+v3.9 - Jul 19, 2016
+ * Color support
+ * Add ability to reset statistics from curses UI
+ * NetBSD compile fix
+ * Option to enable info display by default
+ * Additional IPv6 statistics
+ * Various fixes
+
 v3.8 - July 25, 2015
-----------------------
  * Don't disable Netlink if TC stats are unavailable
 
 v3.7 - November 22, 2014
-----------------------
  * Bugfixes
  * Documentation updates
  * Provide minimal interface information on BSD
  
 v3.6 - November 22, 2014
-----------------------
  * Build fix for uclinux
  * Fix LICENSE links
 
 v3.5 - August 30, 2014
-----------------------
  * Fixes for all defects identified by coverity
  * Fix accuracy issue on total rate calculation
  * Travis-CI support
  * Various other small bugfixes
 
 v3.4 - August 24, 2014
-----------------------
  * Bugfixes
    * blank screen with config file
    * quick-help toggle with '?' in curses
  * Better bmon.conf example
 
 v3.3 - July 6, 2014
--------------------
  * MacOS X port
  * Only initialize curses module if actually used
  * Assorted bug and spelling fixes

README.md

@@ -18,7 +18,47 @@ interface and a programmable text output for scripting.
 ```
 git clone https://github.com/tgraf/bmon.git
 cd bmon
-apt-get install build-essential make libconfuse-dev libnl-3-dev libnl-route-3-dev libncurses-dev
+apt-get install build-essential make libconfuse-dev libnl-3-dev libnl-route-3-dev libncurses-dev pkg-config dh-autoreconf
+./autogen.sh
+./configure
+make
+make install
+bmon
+```
+## CentOS (6) Installation
+
+```
+git clone https://github.com/tgraf/bmon.git
+cd bmon
+yum install make libconfuse-devel libnl3-devel libnl-route3-devel ncurses-devel
+./autogen.sh
+./configure
+make
+make install
+bmon
+```
+
+## OSX Installation
+
+### Brew
+```
+brew install bmon
+```
+
+### Compile yourself
+Install libconfuse
+```
+wget https://github.com/martinh/libconfuse/releases/download/v2.8/confuse-2.8.zip
+unzip confuse-2.8.zip && cd confuse-2.8
+PATH=/usr/local/opt/gettext/bin:$PATH ./configure
+make
+make install
+```
+
+Install bmon
+```
+git clone https://github.com/tgraf/bmon.git
+cd bmon
 ./autogen.sh
 ./configure
 make
@@ -27,8 +67,13 @@ bmon
 ```
 
 -------------
-## New in 3.8
- * Don't disable Netlink if TC stats are unavailable
+## New in 4.0
+ * Use monotonic clock instead of realtime clock
+ * Pick default selected interface based on policy
+ * Collect RX NoHandler statistics if available (Linux)
+ * CentOS installation instructions
+ * Proper stdout flush in ASCII mode
+ * Bugfixes
 
 -------------
 ### Usage
@@ -44,12 +89,15 @@ provided via:
 
 ## Screenshots
 
-![Screenshot 1](https://github.com/tgraf/bmon/raw/gh-pages/images/shot1.png)
-![Screenshot 2](https://github.com/tgraf/bmon/raw/gh-pages/images/shot2.png)
+![Screenshot 1](https://github.com/tgraf/bmon/raw/gh-pages/images/shot3.png)
+![Screenshot 2](https://github.com/tgraf/bmon/raw/gh-pages/images/shot1.png)
+![Screenshot 3](https://github.com/tgraf/bmon/raw/gh-pages/images/shot2.png)
 
 ## Copyright
 
-> *Copyright (c) 2001-2014 Thomas Graf <tgraf@suug.ch>*
+Various authors, see git commit log.
+
+> *Copyright (c) 2001-2016 Thomas Graf <tgraf@suug.ch>*
 > *Copyright (c) 2013 Red Hat, Inc.*
 
 Please see the [LICENSE.BSD](https://github.com/tgraf/bmon/blob/master/LICENSE.BSD)

configure.ac

@@ -1,7 +1,7 @@
 #
 # configure.in      Configure Script
 #
-# Copyright (c) 2001-2013 Thomas Graf <tgraf@suug.ch>
+# Copyright (c) 2001-2016 Thomas Graf <tgraf@suug.ch>
 #
 # Permission is hereby granted, free of charge, to any person obtaining a
 # copy of this software and associated documentation files (the "Software"),
@@ -21,7 +21,7 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 # DEALINGS IN THE SOFTWARE.
 
-AC_INIT(bmon, 3.8, [], [], [http://www.infradead.org/~tgr/bmon/])
+AC_INIT(bmon, 4.0, [], [], [https://github.com/tgraf/bmon])
 AC_CONFIG_HEADERS(include/bmon/defs.h)
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
@@ -58,10 +58,18 @@ AC_CHECK_HEADERS(sys/param.h sys/socket.h)
 
 AC_CHECK_TYPES(suseconds_t)
 
-AC_CHECK_FUNCS(atexit gettimeofday memset pow socket strcasecmp)
+AC_CHECK_FUNCS(atexit clock_gettime memset pow socket strcasecmp)
 AC_CHECK_FUNCS(strchr strdup strerror strncasecmp strstr strtol)
 AC_CHECK_FUNCS(uname getdate)
 
+AC_PATH_PROG([PKG_CONFIG], [pkg-config], [no])
+AS_IF([test "x$PKG_CONFIG" = "xno"],[
+   AC_MSG_ERROR([
+      *** The pkg-config script could not be found. Make sure it is
+      *** in your path, or set the PKG_CONFIG environment variable
+      *** to the full path to pkg-config.])
+   ])
+
 AX_WITH_CURSES
 if test "x$ax_cv_curses" != xyes || test "x$ax_cv_curses_color" != xyes; then
         AC_MSG_ERROR([requires an X/Open-compatible Curses library with color])
@@ -78,6 +86,9 @@ esac
 
 AC_CHECK_LIB(m, pow, [], AC_MSG_ERROR([requires libm]))
 
+# Don't fail if not found (for instance, OS X does not have clock_gettime)
+AC_CHECK_LIB(rt, clock_gettime, [], [])
+
 BMON_LIB=""
 
 #####################################################################
@@ -164,7 +175,7 @@ case ${target_os} in
 	AC_DEFINE_UNQUOTED(SYS_SUNOS, "1", [operating system])
     ;;
 
-    *bsd*)
+    *bsd*|dragonfly*)
 	AC_DEFINE_UNQUOTED(SYS_BSD, "1", [operating system])
     ;;
 

examples/bmon.conf

@@ -11,10 +11,10 @@
 
 /* 
  * element eth0 {
- * 	description	= { "My description" }
- * 	rxmax		= { 10000 }
- * 	txmax		= { 10000 }
- * 	max		= { 12500000 }
+ * 	description	= "My description"
+ * 	rxmax		= 10000
+ * 	txmax		= 10000
+ * 	max		= 12500000
  * }
  */
 
@@ -86,3 +86,27 @@ history day {
 	interval	= 86400.
 	size		= 60
 }
+
+layout colors {
+    color default {
+       color_pair  = {"white", "black"}
+    }
+    color statusbar {
+        color_pair = {"blue", "white", "reverse"}
+    }
+    color header {
+        color_pair = {"yellow", "black"}
+    }
+    color list {
+        color_pair = {"white", "black"}
+    }
+    color selected {
+        color_pair = {"white", "black", "reverse"}
+    }
+    color RX_graph {
+        color_pair = {"green", "black"}
+    }
+    color TX_graph {
+        color_pair = {"red", "black"}
+    }
+}

include/Makefile.am

@@ -16,4 +16,5 @@ noinst_HEADERS = \
 	bmon/module.h \
 	bmon/output.h \
 	bmon/unit.h \
+	bmon/layout.h \
 	bmon/utils.h

include/bmon/attr.h

@@ -42,6 +42,9 @@ struct rate
 	/* Value of r_current at last read */
 	uint64_t		r_prev;
 
+	/* Reset value to substract to emulate statistics reset */
+	uint64_t		r_reset;
+
 	/* Rate per second calculated every `rate_interval' */
 	float			r_rate;
 
@@ -49,6 +52,8 @@ struct rate
 	timestamp_t		r_last_calc;
 };
 
+extern uint64_t			rate_get_total(struct rate *);
+
 enum {
 	ATTR_TYPE_UNSPEC,
 	ATTR_TYPE_COUNTER,
@@ -134,5 +139,6 @@ extern struct attr *		attr_select_prev(void);
 extern struct attr *		attr_current(void);
 
 extern void			attr_start_collecting_history(struct attr *);
+extern void			attr_reset_counter(struct attr *a);
 
 #endif

include/bmon/conf.h

@@ -74,6 +74,8 @@ enum {
 	LAYOUT_HEADER,
 	LAYOUT_LIST,
 	LAYOUT_SELECTED,
+    LAYOUT_RX_GRAPH,
+    LAYOUT_TX_GRAPH,
 	__LAYOUT_MAX
 };
 

include/bmon/config.h

@@ -48,7 +48,7 @@
 #include <dirent.h>
 #ifdef SYS_BSD
 # include <float.h>
-#else
+#elif !defined(__ANDROID__)
 # include <values.h>
 #endif
 

include/bmon/defs.h.in

@@ -9,6 +9,9 @@
 /* Define to 1 if you have the `atexit' function. */
 #undef HAVE_ATEXIT
 
+/* Define to 1 if you have the `clock_gettime' function. */
+#undef HAVE_CLOCK_GETTIME
+
 /* have curses */
 #undef HAVE_CURSES
 
@@ -39,15 +42,15 @@
 /* Define to 1 if you have the <getopt.h> header file. */
 #undef HAVE_GETOPT_H
 
-/* Define to 1 if you have the `gettimeofday' function. */
-#undef HAVE_GETTIMEOFDAY
-
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 
 /* Define to 1 if you have the `m' library (-lm). */
 #undef HAVE_LIBM
 
+/* Define to 1 if you have the `rt' library (-lrt). */
+#undef HAVE_LIBRT
+
 /* Define to 1 if you have the <memory.h> header file. */
 #undef HAVE_MEMORY_H
 

include/bmon/layout.h

@@ -0,0 +1,130 @@
+
+#ifndef __BMON_LAYOUT_H_
+#define __BMON_LAYOUT_H_
+
+#include <bmon/bmon.h>
+#include <bmon/conf.h>
+#include <bmon/unit.h>
+#include <bmon/utils.h>
+
+
+static int parse_color(const char* color)
+{
+    int color_code = -1;
+
+    if ((strcasestr(color, "red") != NULL))
+        color_code = COLOR_RED;
+    else if ((strcasestr(color, "green") != NULL))
+        color_code = COLOR_GREEN;
+    else if ((strcasestr(color, "white") != NULL))
+        color_code = COLOR_WHITE;
+    else if ((strcasestr(color, "black") != NULL))
+        color_code = COLOR_BLACK;
+    else if ((strcasestr(color, "blue") != NULL))
+        color_code = COLOR_BLUE;
+    else if ((strcasestr(color, "yellow") != NULL))
+        color_code = COLOR_YELLOW;
+    else if ((strcasestr(color, "magenta") != NULL))
+        color_code = COLOR_MAGENTA;
+    else if ((strcasestr(color, "cyan") != NULL))
+        color_code = COLOR_CYAN;
+    else if ((atoi(color) >= 0))
+        color_code = atoi(color);
+
+    return color_code;
+}
+
+/*
+    A_NORMAL        Normal display (no highlight)
+    A_STANDOUT      Best highlighting mode of the terminal.
+    A_UNDERLINE     Underlining
+    A_REVERSE       Reverse video
+    A_BLINK         Blinking
+    A_DIM           Half bright
+    A_BOLD          Extra bright or bold
+    A_PROTECT       Protected mode
+    A_INVIS         Invisible or blank mode
+    A_ALTCHARSET    Alternate character set
+    A_CHARTEXT      Bit-mask to extract a character
+*/
+
+static int parse_attribute(const char* attr)
+{
+    /* no attribute is valid, so we have nothing to do */
+    if (attr == NULL)
+        return 0;
+
+    if ((strcasestr(attr, "normal") != NULL))
+        return A_NORMAL;
+    else if ((strcasestr(attr, "standout") != NULL))
+        return A_STANDOUT;
+    else if ((strcasestr(attr, "underline") != NULL))
+        return A_UNDERLINE;
+    else if ((strcasestr(attr, "reverse") != NULL))
+        return A_REVERSE;
+    else if ((strcasestr(attr, "blink") != NULL))
+        return A_BLINK;
+    else if ((strcasestr(attr, "dim") != NULL))
+        return A_DIM;
+    else if ((strcasestr(attr, "bold") != NULL))
+        return A_BOLD;
+    else if ((strcasestr(attr, "protect") != NULL))
+        return A_PROTECT;
+    else if ((strcasestr(attr, "invis") != NULL))
+        return A_INVIS;
+    else if ((strcasestr(attr, "altcharset") != NULL))
+        return A_ALTCHARSET;
+    else if ((strcasestr(attr, "chartext") != NULL))
+        return A_CHARTEXT;
+
+    return -1;
+}
+
+
+static void add_layout(const char *layout_name, cfg_t *color_cfg)
+{
+    const char *fg, *bg, *attr_str = NULL;
+    int size = -1, fg_code, bg_code, attr_mask, layout_idx = 0;
+
+    size = cfg_size(color_cfg, "color_pair");
+    fg = cfg_getnstr(color_cfg, "color_pair", 0);
+    bg = cfg_getnstr(color_cfg, "color_pair", 1);
+    if (size > 2)
+        attr_str = cfg_getnstr(color_cfg, "color_pair", 2);
+
+    fg_code = parse_color(fg);
+    bg_code = parse_color(bg);
+    if (fg_code == -1 || bg_code == -1) {
+        quit("Unknown color [%s]: %s\n", (fg_code == -1) ? "fg" : "bg",
+                (fg_code == -1) ? fg : bg);
+    }
+    attr_mask = parse_attribute(attr_str);
+    if (attr_mask == -1) {
+        quit("Unknown attribute: '%s'\n", attr_str);
+    }
+
+    DBG("%s:\tfg: %s bg: %s attr: %s\n", layout_name, fg, bg, attr_str);
+
+    if ((strcasecmp(layout_name, "default") == 0))
+        layout_idx = LAYOUT_DEFAULT;
+    else if ((strcasecmp(layout_name, "statusbar") == 0))
+        layout_idx = LAYOUT_STATUSBAR;
+    else if ((strcasecmp(layout_name, "header") == 0))
+        layout_idx = LAYOUT_HEADER;
+    else if ((strcasecmp(layout_name, "list") == 0))
+        layout_idx = LAYOUT_LIST;
+    else if ((strcasecmp(layout_name, "selected") == 0))
+        layout_idx = LAYOUT_SELECTED;
+    else if ((strcasecmp(layout_name, "rx_graph") == 0))
+        layout_idx = LAYOUT_RX_GRAPH;
+    else if ((strcasecmp(layout_name, "tx_graph") == 0))
+        layout_idx = LAYOUT_TX_GRAPH;
+    else {
+        quit("Unknown layout name: '%s'\n", layout_name);
+    }
+
+    struct layout l = { fg_code, bg_code, attr_mask};
+    cfg_layout[layout_idx] = l;
+}
+
+#endif /* __BMON_LAYOUT_H_ */

man/bmon.8

@@ -34,7 +34,7 @@ in parallel. bmon automatically loads a useful and working input module
 by default. See INPUT MODULES for more details.
 .RE
 .PP
-\fB \-o\fR, \fB\-\-output\fRMODULE[:OPTIONS][,MODULE...]
+\fB \-o\fR, \fB\-\-output=\fRMODULE[:OPTIONS][,MODULE...]
 .RS 4
 Set list of output modules to load and use. Multiple modules can be used
 in parallel. By default, bmon will use the curses output mode, if that is
@@ -58,7 +58,7 @@ Set policy defining which network interfaces to display. See
 INTERFACE SELECTION for more details.
 .RE
 .PP
-\fB \-a\fR, \fB\-\-show\-all=\fR
+\fB \-a\fR, \fB\-\-show\-all\fR
 .RS 4
 Display all interfaces, even interface that are administratively down.
 .RE
@@ -137,7 +137,7 @@ The following output modules exist:
 .TP
 \fBcurses\fR
 Interactive curses based text user interface providing real time rate
-estimations and a graphical representatio nof each attribute. Press '?'
+estimations and a graphical representation of each attribute. Press '?'
 to display the quick reference guide. This is the default output mode.
 
 .TP
@@ -220,6 +220,14 @@ and eth1:
 .RS 4
 \fBbmon \-p eth0,eth1 \-o curses\fP
 .RE
+.PP
+To run bmon in format mode, monitoring any eth* interfaces, with a specified
+format string:
+.PP
+.RS 4
+\fBbmon \-p \(aqeth*\(aq \-o format:fmt=\(aq$(element:name) $(attr:rxrate:packets)\en\(aq\fP
+.RE
+.PP
 
 .SH "FILES"
 /etc/bmon.conf

src/attr.c

@@ -524,6 +524,11 @@ static float __calc_usage(double rate, uint64_t max)
 	return 100.0f / ((double) max / (rate * cfg_rate_interval));
 }
 
+uint64_t rate_get_total(struct rate *r)
+{
+	return r->r_total - r->r_reset;
+}
+
 void attr_calc_usage(struct attr *a, float *rx, float *tx,
 		     uint64_t rxmax, uint64_t txmax)
 {
@@ -626,6 +631,14 @@ void attr_notify_update(struct attr *a, timestamp_t *ts)
 	}
 }
 
+void attr_reset_counter(struct attr *a)
+{
+	if (a->a_def->ad_type == ATTR_TYPE_COUNTER) {
+		a->a_rx_rate.r_reset = a->a_rx_rate.r_total;
+		a->a_tx_rate.r_reset = a->a_tx_rate.r_total;
+	}
+}
+
 static void __exit attr_exit(void)
 {
 	struct attr_def *ad, *n;

src/bmon.c

@@ -67,14 +67,14 @@ static char *usage_text =
 "   Examples:\n" \
 "       -o curses:ngraph=2\n" \
 "       -o list            # Shows a list of available modules\n" \
-"       -o curses:help     # Shows a help text for html module\n" \
+"       -o curses:help     # Shows a help text for curses module\n" \
 "\n" \
 "Interface selection:\n" \
 "   policy  := [!]simple_regexp,[!]simple_regexp,...\n" \
 "\n" \
 "   Example: -p 'eth*,lo*,!eth1'\n" \
 "\n" \
-"Please see the bmon(1) man pages for full documentation.\n";
+"Please see the bmon(8) man pages for full documentation.\n";
 
 static void do_shutdown(void)
 {

src/conf.c

@@ -30,6 +30,7 @@
 #include <bmon/element.h>
 #include <bmon/element_cfg.h>
 #include <bmon/history.h>
+#include <bmon/layout.h>
 #include <bmon/utils.h>
 
 cfg_t *cfg;
@@ -69,6 +70,16 @@ static cfg_opt_t unit_opts[] = {
 	CFG_END()
 };
 
+static cfg_opt_t color_opts[] = {
+    CFG_STR_LIST("color_pair", "", CFGF_NONE),
+    CFG_END()
+};
+
+static cfg_opt_t layout_opts[] = {
+    CFG_SEC("color", color_opts, CFGF_MULTI | CFGF_TITLE),
+    CFG_END()
+};
+
 static cfg_opt_t global_opts[] = {
 	CFG_FLOAT("read_interval", 1.0f, CFGF_NONE),
 	CFG_FLOAT("rate_interval", 1.0f, CFGF_NONE),
@@ -87,6 +98,7 @@ static cfg_opt_t global_opts[] = {
 	CFG_SEC("attr", attr_opts, CFGF_MULTI | CFGF_TITLE),
 	CFG_SEC("history", history_opts, CFGF_MULTI | CFGF_TITLE),
 	CFG_SEC("element", element_opts, CFGF_MULTI | CFGF_TITLE),
+    CFG_SEC("layout", layout_opts, CFGF_MULTI | CFGF_TITLE),
 	CFG_END()
 };
 
@@ -103,22 +115,26 @@ static char *		configfile		= NULL;
 #if defined HAVE_USE_DEFAULT_COLORS
 struct layout cfg_layout[] =
 {
-	{-1, -1, 0},                           /* dummy, not used */
-	{-1, -1, 0},                           /* default */
-	{-1, -1, A_REVERSE},                   /* statusbar */
-	{-1, -1, 0},                           /* header */
-	{-1, -1, 0},                           /* list */
-	{-1, -1, A_REVERSE},                   /* selected */
+    {-1, -1, 0},            /* dummy, not used */
+    {-1, -1, 0},            /* default */
+    {-1, -1, A_REVERSE},    /* statusbar */
+    {-1, -1, 0},            /* header */
+    {-1, -1, 0},            /* list */
+    {-1, -1, A_REVERSE},    /* selected */
+    {-1, -1, 0},            /* RX graph */
+    {-1, -1, 0},            /* TX graph */
 };
 #else
 struct layout cfg_layout[] =
 {
-	{0, 0, 0},                              /* dummy, not used */
-	{COLOR_BLACK, COLOR_WHITE, 0},          /* default */
-	{COLOR_BLACK, COLOR_WHITE, A_REVERSE},  /* statusbar */
-	{COLOR_BLACK, COLOR_WHITE, 0},          /* header */
-	{COLOR_BLACK, COLOR_WHITE, 0},          /* list */
-	{COLOR_BLACK, COLOR_WHITE, A_REVERSE},  /* selected */
+	{0, 0, 0},                               /* dummy, not used */
+	{COLOR_WHITE, COLOR_BLACK, 0},           /* default */
+	{COLOR_BLUE,   COLOR_GREEN, A_REVERSE},  /* statusbar */
+	{COLOR_GREEN,  COLOR_BLACK, 0},          /* header */
+	{COLOR_WHITE,  COLOR_BLACK, 0},          /* list */
+	{COLOR_YELLOW, COLOR_BLACK, A_REVERSE},  /* selected */
+    {COLOR_GREEN,  COLOR_BLACK, 0},          /* RX graph */
+    {COLOR_RED,    COLOR_BLACK, 0},          /* TX graph */
 };
 #endif
 #endif
@@ -423,6 +439,41 @@ static void configfile_read_attrs(void)
 	}
 }
 
+static void configfile_read_layout_cfg(void)
+{
+    int i, nlayouts;
+    cfg_t *lout;
+    nlayouts = cfg_size(cfg, "layout");
+    for (i = 0; i < nlayouts; i++)
+    {
+        int c, ncolors;
+        const char *name;
+        if (!(lout = cfg_getnsec(cfg, "layout", i)))
+            BUG();
+
+        if (!(name = cfg_title(lout)))
+            BUG();
+
+        ncolors = cfg_size(lout, "color");
+        if (ncolors > LAYOUT_MAX) {
+            fprintf(stderr, "Warning excceeded maximum number of layouts\n");
+            ncolors = LAYOUT_MAX;
+        }
+
+        for (c = 0; c < ncolors; c++) {
+            cfg_t *color_pair;
+
+            if (!(color_pair = cfg_getnsec(lout, "color", c)))
+                BUG();
+
+            if (!(name = cfg_title(color_pair)))
+                BUG();
+
+            add_layout(name, color_pair);
+        }
+    }
+}
+
 static void conf_read(const char *path, int must)
 {
 	int err;
@@ -450,6 +501,7 @@ static void conf_read(const char *path, int must)
 	configfile_read_history();
 	configfile_read_attrs();
 	configfile_read_element_cfg();
+    configfile_read_layout_cfg();
 }
 
 static const char default_config[] = \
@@ -508,6 +560,29 @@ static const char default_config[] = \
 "history day {" \
 "	interval	= 86400.0" \
 "	size		= 60" \
+"}"
+"layout colors {" \
+"   color default {" \
+"       color_pair = { \"white\", \"black\" }" \
+"   }" \
+"   color statusbar{" \
+"       color_pair = { \"blue\", \"white\", \"reverse\" }" \
+"   }" \
+"   color header {" \
+"       color_pair = { \"yellow\", \"black\" }" \
+"   }" \
+"   color list {" \
+"       color_pair = { \"white\", \"black\" }" \
+"   }" \
+"   color selected {" \
+"       color_pair = { \"yellow\", \"black\", \"reverse\" }" \
+"   }" \
+"   color rx_graph {" \
+"       color_pair = { \"green\", \"black\" }" \
+"   }" \
+"   color tx_graph {" \
+"       color_pair = { \"red\", \"black\" }" \
+"   }" \
 "}";
 
 static void conf_read_default(void)
@@ -524,6 +599,7 @@ static void conf_read_default(void)
 	configfile_read_history();
 	configfile_read_attrs();
 	configfile_read_element_cfg();
+    configfile_read_layout_cfg();
 }
 
 void configfile_read(void)

src/element.c

@@ -201,12 +201,6 @@ void element_free(struct element *e)
 	struct attr *a, *an;
 	int i;
 
-	if (e->e_group->g_current == e) {
-		element_select_prev();
-		if (e->e_group->g_current == e)
-			e->e_group->g_current = NULL;
-	}
-
 	list_for_each_entry_safe(c, cnext, &e->e_childs, e_list)
 		element_free(c);
 
@@ -221,6 +215,12 @@ void element_free(struct element *e)
 		list_for_each_entry_safe(a, an, &e->e_attrhash[i], a_list)
 			attr_free(a);
 
+	if (e->e_group->g_current == e) {
+		element_select_prev();
+		if (e->e_group->g_current == e)
+			e->e_group->g_current = NULL;
+	}
+
 	list_del(&e->e_list);
 	e->e_group->g_nelements--;
 
@@ -358,6 +358,26 @@ int element_set_usage_attr(struct element *e, const char *usage)
 	return 0;
 }
 
+void element_pick_from_policy(struct element_group *g)
+{
+	if (!list_empty(&allowed)) {
+		struct policy *p;
+
+		list_for_each_entry(p, &allowed, p_list) {
+			struct element *e;
+
+			list_for_each_entry(e, &g->g_elements, e_list) {
+				if (match_mask(p, e->e_name)) {
+					g->g_current = e;
+					return;
+				}
+			}
+		}
+	}
+
+	element_select_first();
+}
+
 struct element *element_current(void)
 {
 	struct element_group *g;
@@ -365,8 +385,12 @@ struct element *element_current(void)
 	if (!(g = group_current()))
 		return NULL;
 
+	/*
+	 * If no element is picked yet, pick a default interface according to
+	 * the selection policy.
+	 */
 	if (!g->g_current)
-		element_select_first();
+		element_pick_from_policy(g);
 
 	return g->g_current;
 }

src/group.c

@@ -261,7 +261,7 @@ static void __init group_init(void)
 {
 	DBG("init");
 
-	group_new_hdr("intf", "Interfaces",
+	group_new_hdr(DEFAULT_GROUP, "Interfaces",
 		      "RX bps", "pps", "TX bps", "pps");
 }
 

src/in_dummy.c

@@ -89,7 +89,11 @@ static void dummy_read(void)
 		char gname[32];
 		struct element_group *group;
 
-		snprintf(gname, sizeof(gname), "group%02d", gidx);
+		if (gidx == 0)
+			snprintf(gname, sizeof(gname), "%s", DEFAULT_GROUP);
+		else
+			snprintf(gname, sizeof(gname), "group%02d", gidx);
+
 		group = group_lookup(gname, GROUP_CREATE);
 
 		for (n = 0; n < c_numdev; n++) {

src/in_netlink.c

@@ -60,6 +60,11 @@ static struct bmon_module netlink_ops;
 # define RTNL_LINK_IP6_CEPKTS		-1
 #endif
 
+/* Not available prior to libnl 3.2.29 */
+#if LIBNL_CURRENT < 224
+# define RTNL_LINK_RX_NOHANDLER		-1
+#endif
+
 static struct attr_map link_attrs[] = {
 {
 	.name		= "bytes",
@@ -101,6 +106,14 @@ static struct attr_map link_attrs[] = {
 	.rxid		= RTNL_LINK_RX_COMPRESSED,
 	.txid		= RTNL_LINK_TX_COMPRESSED,
 },
+{
+	.name		= "nohandler",
+	.type		= ATTR_TYPE_COUNTER,
+	.unit		= UNIT_NUMBER,
+	.description	= "No Handler",
+	.rxid		= RTNL_LINK_RX_NOHANDLER,
+	.txid		= -1,
+},
 {
 	.name		= "fifoerr",
 	.type		= ATTR_TYPE_COUNTER,

src/in_sysctl.c

@@ -226,17 +226,19 @@ sysctl_read(void)
 			attr_update(e, m->attrid, rx, tx, flags);
 		}
 
-		snprintf(info_buf, sizeof(info_buf), "%u", ifm->ifm_data.ifi_mtu);
+		snprintf(info_buf, sizeof(info_buf), "%ju", (uintmax_t)ifm->ifm_data.ifi_mtu);
 		element_update_info(e, "MTU", info_buf);
 
-		snprintf(info_buf, sizeof(info_buf), "%u", ifm->ifm_data.ifi_metric);
+		snprintf(info_buf, sizeof(info_buf), "%ju", (uintmax_t)ifm->ifm_data.ifi_metric);
 		element_update_info(e, "Metric", info_buf);
 
+#if !(defined(__NetBSD__) || defined(__FreeBSD__))
 		snprintf(info_buf, sizeof(info_buf), "%u", ifm->ifm_data.ifi_recvquota);
 		element_update_info(e, "RX-Quota", info_buf);
 
 		snprintf(info_buf, sizeof(info_buf), "%u", ifm->ifm_data.ifi_xmitquota);
 		element_update_info(e, "TX-Quota", info_buf);
+#endif
 
 		element_notify_update(e, NULL);
 		element_lifesign(e, 1);

src/out_ascii.c

@@ -101,10 +101,10 @@ static void print_attr_detail(struct element *e, struct attr *a, void *arg)
 	char *rx_u, *tx_u;
 	int rxprec, txprec;
 
-	double rx = unit_value2str(a->a_rx_rate.r_total,
+	double rx = unit_value2str(rate_get_total(&a->a_rx_rate),
 				   a->a_def->ad_unit,
 				   &rx_u, &rxprec);
-	double tx = unit_value2str(a->a_tx_rate.r_total,
+	double tx = unit_value2str(rate_get_total(&a->a_tx_rate),
 				   a->a_def->ad_unit,
 				   &tx_u, &txprec);
 
@@ -212,6 +212,7 @@ static void ascii_draw_group(struct element_group *g, void *arg)
 static void ascii_draw(void)
 {
 	group_foreach(ascii_draw_group, NULL);
+	fflush(stdout);
 
 	if (c_quit_after > 0)
 		if (--c_quit_after == 0)

src/out_curses.c

@@ -45,6 +45,8 @@ enum {
 	KEY_TOGGLE_DETAILS	= 'd',
 	KEY_TOGGLE_INFO		= 'i',
 	KEY_COLLECT_HISTORY	= 'h',
+	KEY_CTRL_N	= 14,
+	KEY_CTRL_P	= 16,
 };
 
 #define DETAILS_COLS		40
@@ -147,22 +149,24 @@ static char *float2str(double value, int width, int prec, char *buf, size_t len)
 static void put_line(const char *fmt, ...)
 {
 	va_list args;
-	char buf[2048];
+	char *buf;
+	int len;
 	int x, y __unused__;
 
-	memset(buf, 0, sizeof(buf));
 	getyx(stdscr, y, x);
 
+	len = cols - x;
+	buf = xcalloc(len+1, 1);
+
 	va_start(args, fmt);
-	vsnprintf(buf, sizeof(buf), fmt, args);
+	vsnprintf(buf, len+1, fmt, args);
 	va_end(args);
 
-	if (strlen(buf) > cols-x)
-		buf[cols - x] = '\0';
-	else
-		memset(&buf[strlen(buf)], ' ', cols - strlen(buf)-x);
+	if (strlen(buf) < len)
+		memset(&buf[strlen(buf)], ' ', len - strlen(buf));
 
 	addstr(buf);
+	xfree(buf);
 }
 
 static void center_text(const char *fmt, ...)
@@ -241,10 +245,10 @@ static void draw_attr_detail(struct element *e, struct attr *a, void *arg)
 	int rxprec, txprec, ncol;
 	struct detail_arg *da = arg;
 
-	double rx = unit_value2str(a->a_rx_rate.r_total,
+	double rx = unit_value2str(rate_get_total(&a->a_rx_rate),
 				   a->a_def->ad_unit,
 				   &rx_u, &rxprec);
-	double tx = unit_value2str(a->a_tx_rate.r_total,
+	double tx = unit_value2str(rate_get_total(&a->a_tx_rate),
 				   a->a_def->ad_unit,
 				   &tx_u, &txprec);
 
@@ -258,7 +262,7 @@ static void draw_attr_detail(struct element *e, struct attr *a, void *arg)
 	if (ncol > 0)
 		addch(ACS_VLINE);
 
-	put_line(" %-14.14s %8s%-3s %8s%-3s\n",
+	put_line(" %-14.14s %8s%-3s %8s%-3s",
 		 a->a_def->ad_description,
 		 (a->a_flags & ATTR_RX_ENABLED) ?
 		 float2str(rx, 8, rxprec, buf1, sizeof(buf1)) : "-", rx_u,
@@ -392,6 +396,7 @@ static void draw_help(void)
 	mvaddnstr(y+15, x+3, "H             Start recording history data", -1);
 	mvaddnstr(y+16, x+3, "TAB           Switch time unit of graph", -1);
 	mvaddnstr(y+17, x+3, "<, >          Change number of graphs", -1);
+	mvaddnstr(y+18, x+3, "r             Reset counter of element", -1);
 
 	attroff(A_STANDOUT);
 
@@ -419,6 +424,7 @@ static void draw_header(void)
 	move(row, COLS - strlen(PACKAGE_STRING) - 1);
 	put_line("%s", PACKAGE_STRING);
 	move(row, 0);
+	apply_layout(LAYOUT_LIST);
 }
 
 static int lines_required_for_statusbar(void)
@@ -631,6 +637,7 @@ static void draw_element(struct element_group *g, struct element *e,
 
 static void draw_group(struct element_group *g, void *arg)
 {
+	apply_layout(LAYOUT_HEADER);
 	int *line = arg;
 
 	if (line_visible(*line)) {
@@ -683,7 +690,7 @@ static void draw_graph_centered(struct graph *g, int row, int ncol,
 
 static void draw_table(struct graph *g, struct graph_table *tbl,
 		       struct attr *a, struct history *h,
-		       const char *hdr, int ncol)
+		       const char *hdr, int ncol, int layout)
 {
 	int i, save_row;
 	char buf[32];
@@ -708,11 +715,14 @@ static void draw_table(struct graph *g, struct graph_table *tbl,
 	//move(row, ncol + g->g_cfg.gc_width - 3);
 	//put_line("[err %.2f%%]", rtiming.rt_variance.v_error);
 
+    memset(buf, 0, strlen(buf));
 	for (i = (g->g_cfg.gc_height - 1); i >= 0; i--) {
 		move(++row, ncol);
-		put_line("%'8.2f %s",
-			tbl->gt_scale[i],
-			tbl->gt_table + (i * graph_row_size(&g->g_cfg)));
+        sprintf(buf, "%'8.2f ", tbl->gt_scale[i]);
+        addstr(buf);
+        apply_layout(layout);
+        put_line("%s", tbl->gt_table + (i * graph_row_size(&g->g_cfg)));
+        apply_layout(LAYOUT_LIST);
 	}
 
 	move(++row, ncol);
@@ -746,14 +756,14 @@ static void draw_history_graph(struct attr *a, struct history *h)
 	graph_refill(g, h);
 
 	save_row = row;
-	draw_table(g, &g->g_rx, a, h, "RX", ncol);
+	draw_table(g, &g->g_rx, a, h, "RX", ncol, LAYOUT_RX_GRAPH);
 
 	if (graph_display == GRAPH_DISPLAY_SIDE_BY_SIDE) {
 		ncol = cols / 2;
 		row = save_row;
 	}
 
-	draw_table(g, &g->g_tx, a, h, "TX", ncol);
+	draw_table(g, &g->g_tx, a, h, "TX", ncol, LAYOUT_TX_GRAPH);
 
 	graph_free(g);
 }
@@ -973,8 +983,10 @@ draw:
 	 */
 	NEXT_ROW();
 	hline(ACS_HLINE, cols);
-	mvaddch(row, LIST_COL_1, ACS_BTEE);
-	mvaddch(row, LIST_COL_2, ACS_BTEE);
+	if (c_show_list) {
+		mvaddch(row, LIST_COL_1, ACS_BTEE);
+		mvaddch(row, LIST_COL_2, ACS_BTEE);
+	}
 
 	if (!c_show_graph)
 		center_text(" Press %c to enable graphical statistics ",
@@ -1016,6 +1028,12 @@ draw:
 	NEXT_ROW();
 	hline(ACS_HLINE, cols);
 
+	if (c_show_details) {
+		int i;
+		for (i = 1; i < detail_cols; i++)
+			mvaddch(row, (i * DETAILS_COLS) - 1, ACS_BTEE);
+	}
+
 	if (!c_show_info)
 		center_text(" Press %c to enable additional information ",
 			    KEY_TOGGLE_INFO);
@@ -1079,6 +1097,16 @@ out:
 	refresh();
 }
 
+static void __reset_attr_counter(struct element *e, struct attr *a, void *arg)
+{
+	attr_reset_counter(a);
+}
+
+static void reset_counters(void)
+{
+	element_foreach_attr(current_element, __reset_attr_counter, NULL);
+}
+
 static int handle_input(int ch)
 {
 	switch (ch) 
@@ -1160,10 +1188,12 @@ static int handle_input(int ch)
 			return 1;
 
 		case KEY_DOWN:
+		case KEY_CTRL_N:
 			element_select_next();
 			return 1;
 
 		case KEY_UP:
+		case KEY_CTRL_P:
 			element_select_prev();
 			return 1;
 
@@ -1198,6 +1228,10 @@ static int handle_input(int ch)
 		case '\t':
 			history_select_next();
 			return 1;
+
+		case 'r':
+			reset_counters();
+			return 1;
 	}
 
 	return 0;
@@ -1232,7 +1266,7 @@ static void print_module_help(void)
 	"  Author: Thomas Graf <tgraf@suug.ch>\n" \
 	"\n" \
 	"  Options:\n" \
-	"    fgchar=CHAR    Foreground character (default: '*')\n" \
+	"    fgchar=CHAR    Foreground character (default: '|')\n" \
 	"    bgchar=CHAR    Background character (default: '.')\n" \
 	"    nchar=CHAR     Noise character (default: ':')\n" \
 	"    uchar=CHAR     Unknown character (default: '?')\n" \
@@ -1242,6 +1276,7 @@ static void print_module_help(void)
 	"    nocolors       Do not use colors\n" \
 	"    graph          Show graphical stats by default\n" \
 	"    details        Show detailed stats by default\n" \
+	"    info           Show additional info screen by default\n" \
 	"    minlist=INT    Minimum item list length\n");
 }
 
@@ -1264,6 +1299,8 @@ static void curses_parse_opt(const char *type, const char *value)
 		c_show_graph = !!c_ngraph;
 	} else if (!strcasecmp(type, "details"))
 		c_show_details = 1;
+	else if (!strcasecmp(type, "info"))
+		c_show_info = 1;
 	else if (!strcasecmp(type, "nocolors"))
 		c_use_colors = 0;
 	else if (!strcasecmp(type, "minlist") && value)

src/out_format.c

@@ -123,17 +123,18 @@ static char *get_token(struct element_group *g, struct element *e,
 			goto out;
 
 		if (!strncasecmp(type, "rx:", 3)) {
-			snprintf(buf, len, "%" PRIu64, a->a_rx_rate.r_total);
+			snprintf(buf, len, "%" PRIu64, rate_get_total(&a->a_rx_rate));
 			return buf;
 		} else if (!strncasecmp(type, "tx:", 3)) {
-			snprintf(buf, len, "%" PRIu64, a->a_tx_rate.r_total);
+			snprintf(buf, len, "%" PRIu64, rate_get_total(&a->a_tx_rate));
 			return buf;
 		} else if (!strncasecmp(type, "rxrate:", 7)) {
 			snprintf(buf, len, "%.2f", a->a_rx_rate.r_rate);
 			return buf;
-		} else if (!strncasecmp(token+5, "txrate:", 7))
+		} else if (!strncasecmp(type, "txrate:", 7)) {
 			snprintf(buf, len, "%.2f", a->a_tx_rate.r_rate);
 			return buf;
+		}
 	}
 
 	fprintf(stderr, "Unknown field \"%s\"\n", token);
@@ -165,6 +166,7 @@ static void draw_element(struct element_group *g, struct element *e, void *arg)
 static void format_draw(void)
 {
 	group_foreach_recursive(draw_element, NULL);
+	fflush(stdout);
 
 	if (c_quit_after > 0)
 		if (--c_quit_after == 0)
@@ -319,15 +321,15 @@ static void print_help(void)
 	"  Supported Escape Sequences: \\n, \\t, \\r, \\v, \\b, \\f, \\a\n" \
 	"\n" \
 	"  Examples:\n" \
-	"    \"$(element:name)\\t$(attr:rx:bytes)\\t$(attr:tx:bytes)\\n\"\n" \
+	"    '$(element:name)\\t$(attr:rx:bytes)\\t$(attr:tx:bytes)\\n'\n" \
 	"    lo      12074   12074\n" \
 	"\n" \
-	"    \"$(element:name) $(attr:rxrate:packets) $(attr:txrate:packets)\\n\"\n" \
+	"    '$(element:name) $(attr:rxrate:packets) $(attr:txrate:packets)\\n'\n" \
 	"    eth0 33 5\n" \
 	"\n" \
-	"    \"Item: $(element:name)\\n\" \\\n" \
-	"        \"Bytes Rate: $(attr:rxrate:bytes)/$(attr:txrate:bytes)\\n\" \\\n" \
-	"        \"Packets Rate: $(attr:rxrate:packets)/$(attr:txrate:packets)\\n\"\n" \
+	"    'Item: $(element:name)\\nBytes Rate: $(attr:rxrate:bytes)/" \
+	"$(attr:txrate:bytes)\\nPackets Rate: $(attr:rxrate:packets)/" \
+	"$(attr:txrate:packets)\\n'\n" \
 	"    Item: eth0\n" \
 	"    Bytes Rate: 49130/2119\n" \
 	"    Packets Rate: 40/11\n" \

src/utils.c

@@ -27,6 +27,11 @@
 #include <bmon/conf.h>
 #include <bmon/utils.h>
 
+#ifdef __MACH__
+#include <mach/clock.h>
+#include <mach/mach.h>
+#endif
+
 void *xcalloc(size_t n, size_t s)
 {
 	void *d = calloc(n, s);
@@ -112,12 +117,21 @@ int timestamp_is_negative(timestamp_t *ts)
 
 void update_timestamp(timestamp_t *dst)
 {
-	struct timeval tv;
+#ifdef __MACH__
+	clock_serv_t cclock;
+	mach_timespec_t tp;
 
-	gettimeofday(&tv, NULL);
+	host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &cclock);
+	clock_get_time(cclock, &tp);
+	mach_port_deallocate(mach_task_self(), cclock);
+#else
+	struct timespec tp;
 
-	dst->tv_sec = tv.tv_sec;
-	dst->tv_usec = tv.tv_usec;
+	clock_gettime(CLOCK_MONOTONIC, &tp);
+#endif
+
+	dst->tv_sec = tp.tv_sec;
+	dst->tv_usec = tp.tv_nsec / 1000;
 }
 
 void copy_timestamp(timestamp_t *ts1, timestamp_t *ts2)