1 files changed, 18 insertions, 12 deletions
diff --git a/LinuxBluetooth.cpp b/LinuxBluetooth.cpp
index c30a2b7..1399161 100644
--- a/LinuxBluetooth.cpp
+++ b/LinuxBluetooth.cpp
@@ -1,3 +1,5 @@
+#include "Bluetooth.h"
+
 #include <string.h>
 #include <stropts.h>
 #include <sys/select.h>
@@ -10,8 +12,6 @@
 #include <sstream>
 #include <iomanip>
 
-#include "Bluetooth.h"
-
 // Got to love magic constants. Taken from bluez.git/tools/btgatt-client.c
 #define ATT_CID 4
 
@@ -31,14 +31,15 @@ namespace trygvis {
 
         ~LinuxBluetoothAdapter();
 
-        void runScan(void (*callback)(BluetoothDevice &device));
+        void runScan(void (*callback)(BluetoothDevice &device)) override;
 
         BluetoothDevice &getDevice(Mac &mac) override;
 
-    private:
-        void startScan();
+        void startScan() override;
 
-        void stopScan();
+        void stopScan() override;
+
+    private:
 
         int hciDeviceId;
         int hciSocket;
@@ -151,7 +152,7 @@ namespace trygvis {
         DF;
 
         uint8_t buffer[MAX_MTU];
-        ByteBuffer out = ByteBuffer(buffer, MAX_MTU, 0);
+        ByteBuffer out = ByteBuffer(buffer, MAX_MTU);
 
         AttPdu::makeReadByGroupType(out, 0x0001, 0xffff, UUID_PRIMARY_SERVICE);
 
@@ -161,9 +162,14 @@ namespace trygvis {
         D << "written=" << written;
 
         ssize_t r = read(l2cap, buffer, MAX_MTU);
-        ByteBuffer in = ByteBuffer(buffer, MAX_MTU, r);
 
-        D << "read: " << r << " bytes";
+        if (r == -1) {
+            throw BluetoothException(this, "read(): " + errnoAsString());
+        }
+
+        ByteBuffer in = ByteBuffer(buffer, r);
+
+        D << "read: " << r << " bytes: " << in.toString();
 
         vector<AttributeData> values = AttPdu::parseReadByGroupType(in);
 
@@ -188,7 +194,7 @@ namespace trygvis {
         D << "HCI socket: " << hciSocket;
 
         if (hciSocket == -1) {
-            throw BluetoothException(this, "Could not open HCI device " + hciDeviceId);
+            throw BluetoothException(this, "Could not open HCI device " + to_string(hciDeviceId));
         }
 
         hci_filter_clear(&hciFilter);
@@ -212,7 +218,7 @@ namespace trygvis {
         struct hci_dev_info di;
 
         if (hci_devinfo(hciDeviceId, &di) < 0) {
-            throw BluetoothException(this, "hci_devinfo: " + hciDeviceId);
+            throw BluetoothException(this, "hci_devinfo: " + to_string(hciDeviceId));
         }
 
         D << "hciDeviceId.dev_id=" << di.dev_id;
@@ -227,7 +233,7 @@ namespace trygvis {
         int up = hci_test_bit(HCI_UP, &di.flags);
 
         if (!up) {
-            throw BluetoothException(this, "HCI adapter is not up: " + hciDeviceId);
+            throw BluetoothException(this, "HCI adapter is not up: " + to_string(hciDeviceId));
         }
 
         if (hci_le_set_scan_parameters(hciSocket, 0x01, htobs(0x0010), htobs(0x0010), 0x00, 0, 1000) < 0) {