From 9716c20bcac0942887ab4e3be3748ccb99612f85 Mon Sep 17 00:00:00 2001
From: Osenberg <junyangqu@slightech.com>
Date: Fri, 29 Mar 2019 20:18:53 +0800
Subject: [PATCH] feat(src): added device sort function

---
 src/mynteye/device/utils.cc | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/mynteye/device/utils.cc b/src/mynteye/device/utils.cc
index 075210a..bff87b7 100644
--- a/src/mynteye/device/utils.cc
+++ b/src/mynteye/device/utils.cc
@@ -13,6 +13,7 @@
 // limitations under the License.
 #include "mynteye/device/utils.h"
 
+#include <algorithm>
 #include <cstdlib>
 
 #include "mynteye/logger.h"
@@ -20,10 +21,14 @@
 #include "mynteye/device/context.h"
 #include "mynteye/device/device.h"
 
-#include "mynteye/logger.h"
-
 MYNTEYE_BEGIN_NAMESPACE
 
+bool sort_sn(std::shared_ptr<Device> device1,
+    std::shared_ptr<Device> device2) {
+  return device1->GetInfo(Info::SERIAL_NUMBER) <
+    device2->GetInfo(Info::SERIAL_NUMBER);
+}
+
 namespace device {
 
 std::shared_ptr<Device> select() {
@@ -37,6 +42,9 @@ std::shared_ptr<Device> select() {
     return nullptr;
   }
 
+  if (n > 1)
+    sort(devices.begin(), devices.end(), sort_sn);
+
   LOG(INFO) << "MYNT EYE devices:";
   for (std::size_t i = 0; i < n; i++) {
     auto &&device = devices[i];