From 9042b87f32bcabcc671e393376d3fb96ad858caa Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Sun, 21 Jun 2015 16:58:18 +0200
Subject: ble-scan: o New tool to scan for devices. Requires root on linux :(
 Linux is also touchy if the program dies. BluetoothAdapter: o Adding
 getMac().

---
 apps/CMakeLists.txt       |  1 +
 apps/ble-inspect-device.h |  4 +--
 apps/ble-scan.h           | 87 +++++++++++++++++++++++++++++++++++++++++++++++
 apps/sm-get-value.h       |  4 +--
 4 files changed, 92 insertions(+), 4 deletions(-)
 create mode 100644 apps/ble-scan.h

(limited to 'apps')

diff --git a/apps/CMakeLists.txt b/apps/CMakeLists.txt
index c9eea9e..01252cf 100644
--- a/apps/CMakeLists.txt
+++ b/apps/CMakeLists.txt
@@ -1,4 +1,5 @@
 list(APPEND APPS ble-inspect-device)
+list(APPEND APPS ble-scan)
 list(APPEND APPS sample-add-timestamp)
 list(APPEND APPS sample-convert)
 list(APPEND APPS sample-select)
diff --git a/apps/ble-inspect-device.h b/apps/ble-inspect-device.h
index 0bb70aa..346f9be 100644
--- a/apps/ble-inspect-device.h
+++ b/apps/ble-inspect-device.h
@@ -56,9 +56,9 @@ public:
         try {
             Mac mac = Mac::parseMac(mac_str);
 
-            BluetoothAdapter &adapter = getAdapter(0);
+            shared_ptr<BluetoothAdapter> adapter = getAdapter(0);
 
-            BluetoothDevice &device = adapter.getDevice(mac);
+            BluetoothDevice &device = adapter->getDevice(mac);
 
             scan_callback(device);
 
diff --git a/apps/ble-scan.h b/apps/ble-scan.h
new file mode 100644
index 0000000..9a72388
--- /dev/null
+++ b/apps/ble-scan.h
@@ -0,0 +1,87 @@
+#include "ble/Bluetooth.h"
+#include "apps.h"
+
+#include <csignal>
+
+namespace trygvis {
+namespace apps {
+
+using namespace std;
+using namespace trygvis::bluetooth;
+using namespace trygvis::apps;
+
+namespace ble_scan_utils {
+
+static std::function<void(int)> onSignal;
+
+static void signal_handler(int signal) {
+    onSignal(signal);
+}
+
+}
+
+class ble_scan : public app {
+
+public:
+    ble_scan() : app("ble-scan") {
+    }
+
+    ~ble_scan() = default;
+
+    void add_options(po::options_description_easy_init &options) override {
+        options
+                ("adapter", po::value<int>()->default_value(0), "Which adapter to use.");
+    }
+
+    int main(app_execution &execution) override {
+        BluetoothSystem bluetoothSystem;
+        shared_ptr<BluetoothAdapter> adapter;
+
+        struct sigaction sigIntHandler;
+
+        ble_scan_utils::onSignal = [&](int signal) {
+            adapter->stopScan();
+        };
+
+        sigIntHandler.sa_handler = &ble_scan_utils::signal_handler;
+        sigemptyset(&sigIntHandler.sa_mask);
+        sigIntHandler.sa_flags = 0;
+
+        sigaction(SIGINT, &sigIntHandler, NULL);
+
+        try {
+            auto adapter_index = execution.vm["adapter"].as<int>();
+
+            adapter = getAdapter(adapter_index);
+
+            set<Mac> seen_devices;
+
+            cout << "Scanning with adapter #" << adapter_index << ", mac=" << adapter->getMac().str() << endl;
+
+            adapter->runScan([&](BluetoothDevice &device) {
+                auto mac = device.getMac();
+
+                cout << "Found: " << mac.str() << endl;
+
+                seen_devices.insert(mac);
+            });
+
+            cout << "Stopped. Found " << seen_devices.size() << " devices." << endl;
+
+            for_each(begin(seen_devices), end(seen_devices), [&](auto mac) {
+                cout << mac.str() << endl;
+            });
+
+            return EXIT_SUCCESS;
+        } catch (std::runtime_error ex) {
+            cout << "std::runtime_error: " << ex.what() << endl;
+            return EXIT_FAILURE;
+        } catch (std::exception ex) {
+            cout << "std::exception: " << ex.what() << endl;
+            return EXIT_FAILURE;
+        }
+    }
+};
+
+}
+}
diff --git a/apps/sm-get-value.h b/apps/sm-get-value.h
index 0073d7f..0535f68 100644
--- a/apps/sm-get-value.h
+++ b/apps/sm-get-value.h
@@ -71,9 +71,9 @@ public:
 
             Mac mac = Mac::parseMac(MAC);
 
-            auto &adapter = getAdapter(0);
+            auto adapter = getAdapter(0);
 
-            auto &device = adapter.getDevice(mac);
+            auto &device = adapter->getDevice(mac);
 
             loop = sleepTime > 0;
 
-- 
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