From 1c97f6df59c825b26ecb18975fd9f62e14fc46ce Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Tue, 10 Feb 2015 19:02:57 +0100
Subject: o wip.

---
 LinuxBluetooth.cpp | 56 ++++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 46 insertions(+), 10 deletions(-)

(limited to 'LinuxBluetooth.cpp')

diff --git a/LinuxBluetooth.cpp b/LinuxBluetooth.cpp
index ee93dee..14407c5 100644
--- a/LinuxBluetooth.cpp
+++ b/LinuxBluetooth.cpp
@@ -15,6 +15,8 @@
 // Got to love magic constants. Taken from bluez.git/tools/btgatt-client.c
 #define ATT_CID 4
 
+#define MAX_MTU 256
+
 namespace trygvis {
 
     class LinuxBluetoothDevice;
@@ -48,11 +50,13 @@ namespace trygvis {
 
         Mac const &mac() override;
 
+        LinuxBluetoothAdapter &adapter() override;
+
         void connect() override;
 
         void disconnect() override;
 
-        virtual LinuxBluetoothAdapter &adapter();
+        void discoverServices() override;
 
     private:
         LinuxBluetoothAdapter &_adapter;
@@ -96,8 +100,8 @@ namespace trygvis {
         D << "connect: mac=" << _mac.str();
 
         l2cap = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP);
-        if(l2cap < 0) {
-            throw BluetoothException(&_adapter, this, "LinuxBluetoothDevice::connect(): socket(): " + errnoAsString());
+        if (l2cap < 0) {
+            throw BluetoothException(this, "LinuxBluetoothDevice::connect(): socket(): " + errnoAsString());
         }
 
         memset(&addr, 0, sizeof(addr));
@@ -108,7 +112,7 @@ namespace trygvis {
 
         if (bind(l2cap, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
             close(l2cap);
-            throw BluetoothException(&_adapter, this, "LinuxBluetoothDevice::connect(): bind(): " + errnoAsString());
+            throw BluetoothException(this, "LinuxBluetoothDevice::connect(): bind(): " + errnoAsString());
         }
 
         struct bt_security btsec;
@@ -116,7 +120,7 @@ namespace trygvis {
         btsec.level = BT_SECURITY_LOW;
         if (setsockopt(l2cap, SOL_BLUETOOTH, BT_SECURITY, &btsec, sizeof(btsec)) != 0) {
             close(l2cap);
-            throw BluetoothException(&_adapter, this, "LinuxBluetoothDevice::connect(): setsockopt(): " + errnoAsString());
+            throw BluetoothException(this, "LinuxBluetoothDevice::connect(): setsockopt(): " + errnoAsString());
         }
 
         memset(&addr, 0, sizeof(addr));
@@ -132,12 +136,44 @@ namespace trygvis {
 
         if (::connect(l2cap, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
             close(l2cap);
-            throw BluetoothException(&_adapter, this, "LinuxBluetoothDevice::connect(): connect(): " + errnoAsString());
+            throw BluetoothException(this, "LinuxBluetoothDevice::connect(): connect(): " + errnoAsString());
         }
     }
 
     void LinuxBluetoothDevice::disconnect() {
+        DF << "mac=" << _mac.str();
+        close(l2cap);
+    }
+
+    void LinuxBluetoothDevice::discoverServices() {
+        DF;
+
+        uint8_t buffer[MAX_MTU];
+        ByteBuffer bytes = ByteBuffer(buffer, MAX_MTU);
+
+        AttPdu pdu = AttPdu(bytes, AttPduType::READ_BY_GROUP_TYPE_REQ).
+                add16l(0x0001).
+                add16l(0x1234).
+                add16l(UUID_PRIMARY_SERVICE);
+
+        D << "pdu.size()=" << pdu.size();
+        ssize_t written = write(l2cap, bytes, pdu.size());
+
+        D << "written=" << written;
 
+        uint8_t *buffer = new uint8_t[MAX_MTU];
+
+        ssize_t r = read(l2cap, buffer, MAX_MTU);
+
+        D << "read: " << r << " bytes";
+
+        pdu = AttPdu::parse(buffer, r);
+
+        D << "type= " << pdu.getType();
+
+        if (pdu.getType() != AttPduType::READ_BY_GROUP_TYPE_REQ) {
+
+        }
     }
 
     // -----------------------------------------------------------------------
@@ -146,7 +182,7 @@ namespace trygvis {
 
 
     LinuxBluetoothAdapter::LinuxBluetoothAdapter(int hciDeviceId) {
-        D << "LinuxBluetoothAdapter(), hciDeviceId " << hciDeviceId;
+        DF << "hciDeviceId=" << hciDeviceId;
 
         this->hciDeviceId = hciDeviceId;
         hciSocket = ::hci_open_dev(hciDeviceId);
@@ -165,7 +201,7 @@ namespace trygvis {
     }
 
     LinuxBluetoothAdapter::~LinuxBluetoothAdapter() {
-        D << "~LinuxBluetoothAdapter()";
+        DF;
 
         stopScan();
 
@@ -173,7 +209,7 @@ namespace trygvis {
     }
 
     void LinuxBluetoothAdapter::startScan() {
-        D << "startScan()";
+        DF;
 
         struct hci_dev_info di;
 
@@ -208,7 +244,7 @@ namespace trygvis {
     }
 
     void LinuxBluetoothAdapter::stopScan() {
-        D << "stopScan()";
+        DF;
 
         if (!scanning) {
             return;
-- 
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