Change timeout unit to millisecond instead of second. #68

src/android/src/main/java/com/RNFetchBlob/RNFetchBlobConfig.java

     public String key;
     public String mime;
     public Boolean auto;
-    public long timeout = -1;
+    public long timeout = 30000;
 
     RNFetchBlobConfig(ReadableMap options) {
         if(options == null)

src/android/src/main/java/com/RNFetchBlob/RNFetchBlobFS.java

 import com.facebook.react.bridge.ReadableArray;
 import com.facebook.react.bridge.WritableArray;
 import com.facebook.react.bridge.WritableMap;
+import com.facebook.react.bridge.WritableNativeArray;
 import com.facebook.react.modules.core.DeviceEventManagerModule;
 
 import java.io.File;

src/android/src/main/java/com/RNFetchBlob/RNFetchBlobReq.java

 import java.util.concurrent.TimeUnit;
 
 import okhttp3.Call;
+import okhttp3.ConnectionPool;
 import okhttp3.Headers;
 import okhttp3.Interceptor;
 import okhttp3.MediaType;
     public static HashMap<String, Call> taskTable = new HashMap<>();
     static HashMap<String, Boolean> progressReport = new HashMap<>();
     static HashMap<String, Boolean> uploadProgressReport = new HashMap<>();
+    static ConnectionPool pool = new ConnectionPool(5, 30000, TimeUnit.MILLISECONDS);
 
     MediaType contentType = RNFetchBlobConst.MIME_OCTET;
     ReactApplicationContext ctx;
             });
 
             if(options.timeout > 0) {
-                clientBuilder.connectTimeout(options.timeout, TimeUnit.SECONDS);
-                clientBuilder.readTimeout(options.timeout, TimeUnit.SECONDS);
+                clientBuilder.connectTimeout(options.timeout, TimeUnit.MILLISECONDS);
+                clientBuilder.readTimeout(options.timeout, TimeUnit.MILLISECONDS);
             }
-
+            clientBuilder.connectionPool(pool);
             OkHttpClient client = clientBuilder.build();
             Call call =  client.newCall(req);
             taskTable.put(taskId, call);

src/ios/RNFetchBlobNetwork.m

     NSURLSessionConfiguration *defaultConfigObject = [NSURLSessionConfiguration defaultSessionConfiguration];
     if([options valueForKey:@"timeout"] != nil)
     {
-        defaultConfigObject.timeoutIntervalForRequest = [[options valueForKey:@"timeout"] floatValue];
+        defaultConfigObject.timeoutIntervalForRequest = [[options valueForKey:@"timeout"] floatValue]/1000;
     }
     session = [NSURLSession sessionWithConfiguration:defaultConfigObject delegate:self delegateQueue:taskQueue];
     if(path != nil || [self.options valueForKey:CONFIG_USE_TEMP]!= nil)

src/polyfill/XMLHttpRequest.js

   }
 
   set timeout(val) {
+    this._timeout = val*1000
     log.verbose('set timeout', this._timeout)
-    this._timeout = val
   }
 
   get timeout() {