Merge branch 'master' into feature/stats

Conflicts:
	bench.html
	bench_str.csv
	config.h
	config.h.in
	include/r3.h
	src/node.c

bench.html

@@ -70,10 +70,43 @@
             },
 
             tooltip: {
+                // headerFormat: '<span style="font-size: 10px">{point.key}: </span><br/>',
+                formatter: function() {
+                    var s = '';
+
+                    var comment = this.points[1].point.comment;
+                    // new Date(this.x) + ':';
+                    if (comment) {
+                        s += '<span style="font-size: 10px;">';
+                        s += comment;
+                        s += '</span><br/>';
+                    }
+
+                    $.each(this.points, function(i, point) {
+                        s += '<span style="color:' + point.series.color + '">\u25CF</span> ' + point.series.name  + ': <b>' + point.y + '</b><br/>';
+                    });
+                    return s;
+                },
                 shared: true,
                 crosshairs: true
             },
 
+            /*
+            tooltip: {
+                formatter: function() {
+                    var s = '';
+                    $.each(this.points, function(i, point) {
+                        s += point.series.name +': '+ point.y + '<br/>';
+                    });
+                    if (this.points[1] && this.points[1].comment) {
+                        s  += '<b>'+ this.points[1].comment +'</b>';
+                    }
+                    return s;
+                },
+                shared: true
+            },
+            */
+
             plotOptions: {
                 /*
                 area: {
@@ -148,19 +181,23 @@
 
         var lines = data.split(/\n/);
         $(lines).each(function(i,line) {
+
+            /*
+            { marker: {
+              fillColor: '#FF0000',
+              lineWidth: 3,
+              lineColor: "#FF0000" // inherit from series
+            }
+            */
             var columns = line.split(/,/);
-            var a;
-            a = parseInt(columns[1]);
-            options.series[0].data.push(a || 0);
-
-            a = parseInt(columns[2]);
-            options.series[1].data.push(a || 0);
-
-            a = parseInt(columns[3]);
-            options.series[2].data.push(a || 0);
-
-            a = parseInt(columns[4]);
-            options.series[3].data.push(a || 0);
+            var commentText = columns[5];
+            for (var i = 1; i < 5; i++ ) {
+                var a = parseInt(columns[i]);
+                var args =  a ? 
+                    (commentText ? { y: a, comment: commentText } : a) 
+                    : 0;
+                options.series[i-1].data.push(args);
+            }
         });
 
         $('#chart').highcharts(options);

bench_str.csv

@@ -443,6 +443,23 @@
 1400668574,13632260.72
 1400681414,10832905.89
 1400685490,13185955.87
+1400748100,12609470.07
+1400748288,13317009.48
+1400748727,12973679.22
+1400748826,12902583.84
+1400748965,13584323.91
+1400749175,13518288.33
+1400749320,13445606.30
+1400749326,13242705.99
+1400749599,13245418.70
+1400749614,12494314.81
+1400749643,12690632.63
+1400750350,10391028.46
+1400750424,9445761.22
+1400750472,9248611.74
+1400750479,10757562.36
+1400750512,10126746.58
+1400750536,10568568.26
 1400762875,10472029.42
 1400764426,10066458.45,1590373.41
 1400765068,10657617.64,2131810.12
@@ -511,3 +528,11 @@
 1400837774,11190990.08,4331119.44,45590.26,2587281.10
 1400837785,10306507.50,3909290.89,47662.55,2827471.10
 1400837797,10323334.38,4221122.48,55924.05,2294463.55
+1400858847,10663450.41,4674634.54,66576.25,2653715.59
+1400858857,10336003.37,4496145.54,59074.70,2607583.19
+1400858869,9640828.18,4607189.58,66576.25,2268341.79
+1400858880,10959344.32,4114165.27,41943.04,2405089.57
+1400858891,9456420.72,4254882.18,33554.43,2770969.36
+1400858902,10904696.64,3989404.21,72315.59,2410755.81
+1400858913,9379941.50,4385508.67,49932.19,2595906.55
+1400858923,10653302.72,4655704.49,55188.21,2677379.49

config.h.in

@@ -0,0 +1,118 @@
+/* config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* "whether graphviz is enable" */
+#undef ENABLE_GRAPHVIZ
+
+/* "whether statistics is enable" */
+#undef ENABLE_STATS
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_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 <jemalloc/jemalloc.h> header file. */
+#undef HAVE_JEMALLOC_JEMALLOC_H
+
+/* Define to 1 if your system has a GNU libc compatible `malloc' function, and
+   to 0 otherwise. */
+#undef HAVE_MALLOC
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the `memset' function. */
+#undef HAVE_MEMSET
+
+/* Define to 1 if your system has a GNU libc compatible `realloc' function,
+   and to 0 otherwise. */
+#undef HAVE_REALLOC
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the `strchr' function. */
+#undef HAVE_STRCHR
+
+/* Define to 1 if you have the `strdup' function. */
+#undef HAVE_STRDUP
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the `strndup' function. */
+#undef HAVE_STRNDUP
+
+/* Define to 1 if you have the `strstr' function. */
+#undef HAVE_STRSTR
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#undef HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#undef LT_OBJDIR
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Define to 1 if you have the PATH_MAX macro. */
+#undef USE_JEMALLOC
+
+/* Version number of package */
+#undef VERSION
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+#undef inline
+#endif
+
+/* Define to rpl_malloc if the replacement function should be used. */
+#undef malloc
+
+/* Define to rpl_realloc if the replacement function should be used. */
+#undef realloc
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+#undef size_t

configure.ac

@@ -7,7 +7,8 @@ LT_INIT
 AC_PROG_CC
 AC_PROG_CC_STDC
 
-# AM_PATH_CHECK()
+AC_CHECK_HEADERS([stdlib.h string.h sys/time.h stdint.h])
+
 PKG_CHECK_MODULES(CHECK,[check >= 0.9.4],:,[
   ifdef([AM_PATH_CHECK],
   [AM_PATH_CHECK(,[have_check="yes"])],
@@ -16,8 +17,6 @@ PKG_CHECK_MODULES(CHECK,[check >= 0.9.4],:,[
 ])
 AM_CONDITIONAL(HAVE_CHECK, test x"$have_check" = "xyes")
 
-AC_CHECK_HEADERS([stdlib.h string.h sys/time.h])
-
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_INLINE
 AC_TYPE_SIZE_T
@@ -31,23 +30,10 @@ AC_CHECK_FUNCS([gettimeofday memset strchr strdup strndup strstr])
 
 PKG_PROG_PKG_CONFIG
 
-AC_ARG_ENABLE(graphviz,
-              AS_HELP_STRING([--enable-graphviz],
-                             [enable graphviz support]),
-              , enable_graphviz=unset)
-if test "x$enable_graphviz" != "xunset" ; then
-   PKG_CHECK_MODULES(GVC_DEPS, [libgvc])
-   AC_SUBST(GVC_DEPS_CFLAGS)
-   AC_SUBST(GVC_DEPS_LIBS)
-fi
 
-AC_ARG_ENABLE(debug,
-              AS_HELP_STRING([--enable-debug],
-                             [enable debug]),
-              , enable_debug=unset)
 
-AC_ARG_WITH([malloc],
-    AS_HELP_STRING([--without-malloc], [Use the default malloc]))
+
+AC_ARG_WITH([malloc], AS_HELP_STRING([--without-malloc], [Use the default malloc]))
 
 AS_IF([test "x$with_malloc" == "xjemalloc"],
     [AC_CHECK_HEADERS([jemalloc/jemalloc.h], [
@@ -77,16 +63,32 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <jemalloc/jemalloc.h>]],
                  )
 fi
 AM_CONDITIONAL(USE_JEMALLOC, test "x$have_jemalloc" = "xyes")
+AM_CONDITIONAL(ENABLE_GRAPHVIZ, test "x$enable_graphviz" = "xyes")
 
-# AM_CONDITIONAL(USE_JEMALLOC, test "x$found_jemalloc" = "xyes")
-# AC_DEFINE(USE_JEMALLOC, test "x$found_jemalloc" = "xyes" , "use jemalloc")
-
+AC_ARG_ENABLE(debug, AS_HELP_STRING([--enable-debug], [enable debug]), [],[enable_debug=unset])
 AM_CONDITIONAL(ENABLE_DEBUG, test "x$enable_debug" = "xyes")
+
+
+AC_ARG_ENABLE(graphviz,
+              AS_HELP_STRING([--enable-graphviz],
+                             [enable graphviz support]),
+              , enable_graphviz=unset)
+if test "x$enable_graphviz" != "xunset" ; then
+   PKG_CHECK_MODULES(GVC_DEPS, [libgvc])
+   AC_SUBST(GVC_DEPS_CFLAGS)
+   AC_SUBST(GVC_DEPS_LIBS)
+fi
 AM_CONDITIONAL(ENABLE_GRAPHVIZ, test "x$enable_graphviz" = "xyes")
 AC_DEFINE(ENABLE_GRAPHVIZ, test "x$enable_graphviz" = "xyes", "whether graphviz is enable")
 
 
-PKG_CHECK_MODULES(DEPS, [libpcre check])
+AC_ARG_ENABLE(stats, AS_HELP_STRING([--enable-stats], [enable statistics]), [] ,[enable_stats=unset])
+AC_DEFINE(ENABLE_STATS,    test "x$enable_stats" = "xyes", "whether statistics is enable")
+
+
+
+
+PKG_CHECK_MODULES(DEPS, [libpcre])
 AC_SUBST(DEPS_CFLAGS)
 AC_SUBST(DEPS_LIBS)
 AC_CONFIG_FILES([

include/r3.h

@@ -15,27 +15,40 @@
 
 #include "r3_define.h"
 #include "str_array.h"
+#include "config.h"
 
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#else
+typedef __int32 int32_t;
+typedef unsigned __int32 uint32_t;
+#endif
 
 #define node_edge_pattern(node,i) node->edges[i]->pattern
 #define node_edge_pattern_len(node,i) node->edges[i]->pattern_len
 
 
+struct _root;
 struct _edge;
 struct _node;
 struct _route;
 typedef struct _edge edge;
 typedef struct _node node;
 typedef struct _route route;
+typedef struct _root root;
+
+struct _root { 
+
+};
 
 struct _node {
     edge       ** edges;
     route      ** routes;
-    int      edge_len;
-    int      edge_cap;
-    int      route_len;
-    int      route_cap;
-    int endpoint;
+    edge        * parent_edge;
+    uint32_t      edge_len;
+    uint32_t      edge_cap;
+    uint32_t      route_len;
+    uint32_t      route_cap;
 
     /** compile-time variables here.... **/
 
@@ -50,14 +63,20 @@ struct _node {
      */
     void * data;
 
+    uint8_t       endpoint;
 };
 
 struct _edge {
+    /* the child node */
+    node * child;
+    /* the parent node */
+    node * parent;
+
     char * pattern;
     int    pattern_len;
     int    opcode;
-    bool   has_slug;
-    node * child;
+    float  score;
+    bool   has_slug:1;
 };
 
 typedef struct {
@@ -167,6 +186,8 @@ void r3_route_free(route * route);
 
 route * r3_tree_match_route(const node *n, match_entry * entry);
 
+void r3_tree_feedback(node *tree, node *end);
+
 #define METHOD_GET 2
 #define METHOD_POST 2<<1
 #define METHOD_PUT 2<<2

src/edge.c

@@ -30,6 +30,14 @@ edge * r3_edge_create(char * pattern, int pattern_len, node * child) {
     e->pattern_len = pattern_len;
     e->opcode = 0;
     e->child = child;
+    e->parent = NULL;
+
+    // update childs parent edge
+    child->parent_edge = e;
+
+    // default stats
+    // e->hits = 0;
+    e->score = 0;
     return e;
 }
 
@@ -56,6 +64,8 @@ node * r3_edge_branch(edge *e, int dl) {
     // the suffix edge of the leaf
     new_child = r3_tree_create(3);
     s1_len    = e->pattern_len - dl;
+
+    /* create the parent edge of new child */
     e1        = r3_edge_create(zstrndup(s1, s1_len), s1_len, new_child);
 
     // Migrate the child edges to the new edge we just created.

src/node.c

@@ -45,6 +45,8 @@ node * r3_tree_create(int cap) {
     n->edge_len = 0;
     n->edge_cap = cap;
 
+    n->parent_edge = NULL;
+
     n->routes = NULL;
     n->route_len = 0;
     n->route_cap = 0;
@@ -95,6 +97,26 @@ edge * r3_node_connectl(node * n, char * pat, int len, int dupl, node *child) {
     return e;
 }
 
+void r3_tree_feedback(node *tree, node *end) {
+    edge * e = end->parent_edge;
+    node * p = e->parent;
+    while( p && e ) {
+        e->score += 0.1;
+
+
+        if (e->score > 100) {
+            for (int i = 0 ; i < p->edge_len ; i++ ) {
+                if ( p->edges[i]->score > 0 ) {
+                    p->edges[i]->score /= 100.0;
+                }
+            }
+        }
+
+        e = p->parent_edge;
+        p = e ? e->parent : NULL;
+    }
+}
+
 void r3_node_append_edge(node *n, edge *e) {
     if (n->edges == NULL) {
         n->edge_cap = 3;
@@ -107,6 +129,8 @@ void r3_node_append_edge(node *n, edge *e) {
             n->edges = p;
         }
     }
+    // when append new edge, we update the parent node of the edge.
+    e->parent = n;
     n->edges[ n->edge_len++ ] = e;
 }
 
@@ -408,6 +432,8 @@ node * r3_node_create() {
     n->edge_len = 0;
     n->edge_cap = 0;
 
+    n->parent_edge = NULL;
+
     n->routes = NULL;
     n->route_len = 0;
     n->route_cap = 0;
@@ -636,6 +662,8 @@ void r3_tree_dump(node * n, int level) {
         print_indent(level + 1);
         printf("|-\"%s\"", e->pattern);
 
+        // printf(" hits:%lld score:%.1f ", e->hits, e->score);
+        printf(" score:%.1f ", e->score);
         if (e->opcode ) {
             printf(" opcode:%d", e->opcode);
         }

tests/check_tree.c

@@ -361,6 +361,34 @@ START_TEST(test_insert_route)
 END_TEST
 
 
+START_TEST(test_feedback)
+{
+    node * t = r3_tree_create(1);
+    r3_tree_insert_path(t, "/foo/bar/baz",  NULL);
+    r3_tree_insert_path(t, "/foo/grault/bar",  NULL);
+    r3_tree_insert_path(t, "/garply/corge/grault",  NULL);
+    r3_tree_compile(t);
+
+    node * m1 = r3_tree_match(t, "/foo/grault/bar", NULL);
+    node * m2 = r3_tree_match(t, "/garply/corge/grault", NULL);
+    ck_assert(m1 != NULL);
+    ck_assert(m2 != NULL);
+
+    for ( int i = 0 ; i < 120 ; i++ ) {
+        r3_tree_feedback(t, m1);
+    }
+
+    for ( int i = 0 ; i < 200 ; i++ ) {
+        r3_tree_feedback(t, m2);
+    }
+
+    r3_tree_dump(t, 0);
+
+    r3_tree_free(t);
+}
+END_TEST
+
+
 Suite* r3_suite (void) {
         Suite *suite = suite_create("blah");
 
@@ -379,6 +407,7 @@ Suite* r3_suite (void) {
         tcase_add_test(tcase, test_pcre_patterns_insert);
         tcase_add_test(tcase, test_pcre_patterns_insert_2);
         tcase_add_test(tcase, test_pcre_patterns_insert_3);
+        tcase_add_test(tcase, test_feedback);
         tcase_set_timeout(tcase, 30);
 
         suite_add_tcase(suite, tcase);