From 9c095ce3c2165ae9fb976b007ba5c14602d06a0b Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Fri, 20 Feb 2015 23:35:31 +0100
Subject: wip

---
 apps/sm-get-value.cpp  | 92 +++++++++++++++++++++++---------------------------
 ble/Bluetooth.cpp      | 14 ++++++++
 ble/Bluetooth.h        | 11 ++++++
 ble/LinuxBluetooth.cpp |  2 --
 4 files changed, 67 insertions(+), 52 deletions(-)

diff --git a/apps/sm-get-value.cpp b/apps/sm-get-value.cpp
index 232c166..6d7c578 100644
--- a/apps/sm-get-value.cpp
+++ b/apps/sm-get-value.cpp
@@ -1,48 +1,30 @@
-#include <exception>
 #include <iostream>
-#include <vector>
 #include <boost/uuid/uuid_io.hpp>
 #include <boost/optional.hpp>
 #include "Bluetooth.h"
-#include "soil-moisture.h"
 
 using namespace std;
 using namespace trygvis::bluetooth;
 
-Mac *targetMac;
+typedef boost::uuids::uuid uuid_t;
 
-void scan_callback(BluetoothDevice &device) {
-    device.adapter().stopScan();
+#define BLUETOOTH_UUID_INITIALIZER \
+    { \
+        0x00, 0x00, 0x00, 0x00, \
+        0x00, 0x00, \
+        0x10, 0x00, \
+        0x80, 0x00, \
+        0x00, 0x80, 0x5f, 0x9b, 0x34, 0xfb \
+    };
 
-    if (device.mac() != *targetMac) {
-        cout << "found device: " << device.mac().str() << ", but not the one we want " << targetMac->str() << endl;
-        return;
-    }
-
-    cout << "Connecting to device: " << device.mac().str() << endl;
-
-    device.connect();
-
-    device.discoverServices();
-
-    vector<BluetoothGattService *> services = device.getServices();
-    cout << "Device has " << services.size() << " services" << endl;
-    
-    for (auto &s: services) {
-        const vector<BluetoothGattCharacteristic *> characteristics = s->getCharacteristics();
+uuid_t trygvis_io_base_uuid = {
+        0x32, 0xd0, 0x00, 0x00,
+        0x03, 0x5d,
+        0x59, 0xc5,
+        0x70, 0xd3,
+        0xbc, 0x8e, 0x4a, 0x1f, 0xd8, 0x3f};
 
-        cout << "Service: UUID: " << s->getUuid() << ", has " << characteristics.size() << " characteristics" << endl;
-
-        for (auto &c: characteristics) {
-            cout << "Characteristic: UUID: " << c->getUuid() << ", properties: " << (int) c->getProperties() << endl;
-        }
-    }
-
-    boost::uuids::uuid soil_moisture_service;
-    boost::optional<BluetoothGattService*> service = device.findService(soil_moisture_service);
-
-    device.disconnect();
-}
+uuid_t soil_moisture_service = makeUuid(trygvis_io_base_uuid, 0x00, 0x10);
 
 int main(int argc, char *argv[]) {
     if (argc != 2) {
@@ -51,25 +33,35 @@ int main(int argc, char *argv[]) {
     }
 
     int e;
-//    try {
-    Mac mac = Mac::parseMac(argv[1]);
-    targetMac = &mac;
 
-    BluetoothAdapter &adapter = getAdapter(0);
+    BluetoothSystem bluetoothSystem;
+    try {
+        Mac mac = Mac::parseMac(argv[1]);
+
+        BluetoothAdapter &adapter = getAdapter(0);
+
+        BluetoothDevice &device = adapter.getDevice(mac);
 
-    BluetoothDevice &device = adapter.getDevice(mac);
+        cout << "Connecting to device: " << device.mac().str() << endl;
 
-    scan_callback(device);
+        device.connect();
 
-    e = EXIT_SUCCESS;
-//    } catch (std::runtime_error ex) {
-//        W << "std::runtime_error: " << ex.what();
-//        e = EXIT_FAILURE;
-//    } catch (std::exception ex) {
-//        W << "std::exception: " << ex.what();
-//        e = EXIT_FAILURE;
-//    }
+        device.discoverServices();
 
-    shutdown();
-    return e;
+        boost::optional<BluetoothGattService *> service = device.findService(soil_moisture_service);
+
+        if (!service) {
+            cout << "The device is missing the soil moisture service" << endl;
+            return EXIT_FAILURE;
+        }
+
+        device.disconnect();
+        return EXIT_SUCCESS;
+    } catch (std::runtime_error ex) {
+        W << "std::runtime_error: " << ex.what();
+        return EXIT_FAILURE;
+    } catch (std::exception ex) {
+        W << "std::exception: " << ex.what();
+        return EXIT_FAILURE;
+    }
 }
diff --git a/ble/Bluetooth.cpp b/ble/Bluetooth.cpp
index b135282..4ceb3b6 100644
--- a/ble/Bluetooth.cpp
+++ b/ble/Bluetooth.cpp
@@ -165,6 +165,13 @@ BluetoothAdapter::BluetoothAdapter() {
 BluetoothAdapter::~BluetoothAdapter() {
 }
 
+BluetoothSystem::BluetoothSystem() {
+}
+
+BluetoothSystem::~BluetoothSystem() {
+    shutdown();
+}
+
 /*
 map<int, LinuxBluetoothAdapter *> adapters;
 
@@ -189,5 +196,12 @@ void shutdown() {
     shutdownImpl();
 }
 
+uuid_t makeUuid(const uuid_t base, uint8_t a, uint8_t b) {
+    uuid_t copy = base;
+    copy.data[2] = a;
+    copy.data[3] = b;
+    return copy;
+}
+
 }
 };
diff --git a/ble/Bluetooth.h b/ble/Bluetooth.h
index e47ff3e..e7b163b 100644
--- a/ble/Bluetooth.h
+++ b/ble/Bluetooth.h
@@ -149,6 +149,15 @@ protected:
     virtual ~BluetoothAdapter();
 };
 
+/**
+ * RAII support.
+ */
+class BluetoothSystem {
+public:
+    BluetoothSystem();
+    ~BluetoothSystem();
+};
+
 enum AttPduType {
     ERROR = 0x00,
     INVALID_HANDLE = 0x01,
@@ -200,6 +209,8 @@ BluetoothAdapter &getAdapter(int hciDevice);
 
 void shutdown();
 
+boost::uuids::uuid makeUuid(const boost::uuids::uuid base, uint8_t a, uint8_t b);
+
 }
 }
 
diff --git a/ble/LinuxBluetooth.cpp b/ble/LinuxBluetooth.cpp
index 4b7f0e0..b687807 100644
--- a/ble/LinuxBluetooth.cpp
+++ b/ble/LinuxBluetooth.cpp
@@ -19,8 +19,6 @@ namespace trygvis {
 namespace bluetooth {
 namespace linux {
 
-typedef boost::uuids::uuid uuid_t;
-
 using namespace uuids;
 
 class LinuxBluetoothDevice;
-- 
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