impl the bench test

.gitignore

@@ -7,6 +7,7 @@
 *.la
 *.so
 *.xdb
+*.iml
 META-INF/
 
 # Binary Files #

binding/java/src/main/java/org/lionsoul/ip2region/SearchTest.java

@@ -8,9 +8,7 @@ package org.lionsoul.ip2region;
 
 import org.lionsoul.ip2region.xdb.Searcher;
 
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStreamReader;
+import java.io.*;
 import java.util.concurrent.TimeUnit;
 
 public class SearchTest {
@@ -56,13 +54,13 @@ public class SearchTest {
 
             String key = r.substring(2, sIdx);
             String val = r.substring(sIdx + 1);
-            System.out.printf("key=%s, val=%s\n", key, val);
+            // System.out.printf("key=%s, val=%s\n", key, val);
             if ("db".equals(key)) {
                 dbPath = val;
             } else if ("cache-policy".equals(key)) {
                 cachePolicy = val;
             } else {
-                System.out.printf("undefined option `%s`", r);
+                System.out.printf("undefined option `%s`\n", r);
                 return;
             }
         }
@@ -104,8 +102,101 @@ public class SearchTest {
         System.out.println("searcher test program exited, thanks for trying");
     }
 
-    public static void benchTest(String[] args) {
+    public static void benchTest(String[] args) throws IOException {
+        String dbPath = "", srcPath = "", cachePolicy = "vectorIndex";
+        for (final String r : args) {
+            if (r.length() < 5) {
+                continue;
+            }
 
+            if (r.indexOf("--") != 0) {
+                continue;
+            }
+
+            int sIdx = r.indexOf('=');
+            if (sIdx < 0) {
+                System.out.printf("missing = for args pair `%s`\n", r);
+                return;
+            }
+
+            String key = r.substring(2, sIdx);
+            String val = r.substring(sIdx + 1);
+            if ("db".equals(key)) {
+                dbPath = val;
+            } else if ("src".equals(key)) {
+                srcPath = val;
+            } else if ("cache-policy".equals(key)) {
+                cachePolicy = val;
+            } else {
+                System.out.printf("undefined option `%s`\n", r);
+                return;
+            }
+        }
+
+        if (dbPath.length() < 1 || srcPath.length() < 1) {
+            System.out.print("java -jar ip2region-{version}.jar bench [command options]\n");
+            System.out.print("options:\n");
+            System.out.print(" --db string              ip2region binary xdb file path\n");
+            System.out.print(" --src string             source ip text file path\n");
+            System.out.print(" --cache-policy string    cache policy: file/vectorIndex/content\n");
+            return;
+        }
+
+        Searcher searcher = createSearcher(dbPath, cachePolicy);
+        long count = 0, costs = 0, tStart = System.nanoTime();
+        String line;
+        final BufferedReader reader = new BufferedReader(new FileReader(srcPath));
+        while ((line = reader.readLine()) != null) {
+            String l = line.trim();
+            String[] ps = l.split("\\|", 3);
+            if (ps.length != 3) {
+                System.out.printf("invalid ip segment `%s`\n", l);
+                return;
+            }
+
+            long sip;
+            try {
+                sip = Searcher.checkIpAddr(ps[0]);
+            } catch (Exception e) {
+                System.out.printf("check start ip `%s`: %s\n", ps[0], e);
+                return;
+            }
+
+            long eip;
+            try {
+                eip = Searcher.checkIpAddr(ps[1]);
+            } catch (Exception e) {
+                System.out.printf("check end ip `%s`: %s\n", ps[1], e);
+                return;
+            }
+
+            if (sip > eip) {
+                System.out.printf("start ip(%s) should not be greater than end ip(%s)\n", ps[0], ps[1]);
+                return;
+            }
+
+            long mip = (sip + eip) >> 1;
+            for (final long ip : new long[]{sip, (sip + mip) >> 1, mip, (mip + eip) >> 1, eip}) {
+                long sTime = System.nanoTime();
+                String region = searcher.search(ip);
+                costs += System.nanoTime() - sTime;
+
+                // check the region info
+                if (!ps[2].equals(region)) {
+                    System.out.printf("failed search(%s) with (%s != %s)\n", Searcher.long2ip(ip), region, ps[2]);
+                    return;
+                }
+
+                count++;
+            }
+        }
+
+        reader.close();
+        searcher.close();
+        long took = System.nanoTime() - tStart;
+        System.out.printf("Bench finished, {cachePolicy: %s, total: %d, took: %ds, cost: %d μs/op}\n",
+                cachePolicy, count, TimeUnit.NANOSECONDS.toSeconds(took),
+                count == 0 ? 0 : TimeUnit.NANOSECONDS.toMicros(costs/count));
     }
 
     public static void main(String[] args) {
@@ -118,10 +209,14 @@ public class SearchTest {
             try {
                 searchTest(args);
             } catch (IOException e) {
-                System.out.printf("failed running search test: %s", e);
+                System.out.printf("failed running search test: %s\n", e);
             }
         } else if ("bench".equals(args[0])) {
+            try {
                 benchTest(args);
+            } catch (IOException e) {
+                System.out.printf("failed running bench test: %s\n", e);
+            }
         } else {
             printHelp(args);
         }

binding/java/src/main/java/org/lionsoul/ip2region/xdb/Searcher.java

@@ -48,7 +48,7 @@ public class Searcher {
         return new Searcher(null, null, cBuff);
     }
 
-    // ---
+    // --- End of creator
 
     public Searcher(String dbFile, byte[] vectorIndex, byte[] cBuff) throws IOException {
         if (cBuff != null) {