final touch ;)

radix/Makefile

@@ -0,0 +1,2 @@
+radix: radix.c radix.h
+	gcc radix.c -Wall -pedantic -std=c89 -O2 -o radix

radix/radix.c

@@ -24,7 +24,7 @@ static radix_node_t clone_node(radix_node_t n) {
     return ret;
 }
 
-static void split_node(radix_node_t n, unsigned bit) {
+static void split_node(radix_node_t n, unsigned bit) { /* sets cloned node as both childs */
     radix_node_t tmp = clone_node(n);
     n->_data._mask = bit;
     n->_l = n->_r = tmp;
@@ -32,9 +32,9 @@ static void split_node(radix_node_t n, unsigned bit) {
 }
 
 int destory_holder(struct radix_holder* t) {
-    destory_node(t->_root);
+    int tmp = destory_node(t->_root);
     free(t);
-    return 1;
+    return tmp;
 }
 
 static int destory_node(struct radix_node* n) {
@@ -102,25 +102,23 @@ int radix_insert(radix_holder_t t, record_t /*restrict*/ r) {
     }
 
     /* exact match */
-    if (node->_data._mask == r->_mask && ibit == r->_mask) {
+    if (node->_data._rule != INVALID_RULE) {
-        if (node->_data._rule != INVALID_RULE)
+        r->_rule = INVALID_RULE;
         return 0;
+    }
     /* make valid */
     node->_data._rule = r->_rule;
+    r->_mask = node->_data._mask;
+    r->_rule = node->_data._rule;
     ++t->_size;
     return 1;
-    }
-
-    
-    printf("!!!!!!!!!!!!!!\n");
-    return 0;
 }
 
 int radix_search(radix_holder_t t, record_t r) {
     radix_node_t iter;
     int ibit;
     unsigned char b;
-    int m;
+    int m = 0;
     unsigned long mask[2] = {0x01ul << 63, 0x00};
 
     if (!r)
@@ -139,7 +137,6 @@ int radix_search(radix_holder_t t, record_t r) {
         
         if (ibit < iter->_data._mask) {    /* bit mismatch */
             return r->_rule;
-            /* = ibit == iter->_data._mask ? iter->_data._rule : r->_rule; */
         }
         
         /* mask ends with full match */
@@ -152,6 +149,7 @@ int radix_search(radix_holder_t t, record_t r) {
         if (!iter)
             return r->_rule;
     }
+
     if (ibit == iter->_data._mask && iter->_data._rule != INVALID_RULE) {
         r->_rule = iter->_data._rule;
         m = iter->_data._mask;
@@ -172,7 +170,7 @@ int radix_search(radix_holder_t t, record_t r) {
 
 #define RULES_FILE "../data/routing-data"
 #define TEST_FILE "../data/test-data"
-#define TEST_ROWS 39222 /*39222*/
+#define TEST_ROWS 36764
 #define READ_MODE "r"
 
 int parse_line(FILE* f, record_t r) {

radix/radix.h

@@ -5,12 +5,12 @@
 #include "stdlib.h"
 #include "string.h"
 
-#define INVALID_RULE 0
+#define INVALID_RULE 0xffff
 
 struct routing_record {
     unsigned long     _ip[2];
     unsigned short    _rule;
-    unsigned          _mask:8;
+    unsigned char     _mask;
 };
 
 struct radix_node {

tests/test-radix.py

@@ -10,7 +10,7 @@ def parse_rule(rule):
 
 def generate_random_test_cases(rules, n):
     with open('../data/test-data', 'w') as f:
-        for rule in rules:
+        for i, rule in enumerate(rules):
             rule_network = rule[0]
             rule_next_hop = rule[1]
 
@@ -32,7 +32,8 @@ def generate_random_test_cases(rules, n):
 
                 f.write(f"{test_network.supernet(new_prefix=closest_rule[0].prefixlen)} {closest_rule[1]}\n")
                 # print(f"Generated test case: {test_network} {closest_rule[1]}")
-            print("Tests for rule", rule_network, "with next hop", rule_next_hop, "generated")
+            percentage_completed = (i + 1) / len(rules) * 100
+            print(f"[{percentage_completed:.2f}%]Tests for rule {rule_network} {rule_next_hop} generated")
 
 def main():
     rules = []