Fix bug when detection amber dongles. No longer analyze telegram twice.

src/bus.cc

@@ -379,7 +379,7 @@ void BusManager::detectAndConfigureWmbusDevices(Configuration *config, Detection
     bool must_auto_find_rtlsdrs = false;
 
     // The device=auto has been specified....
-    if (config->use_auto_device_detect && dt == DetectionType::ALL)
+    if (config->use_auto_device_detect && dt == DetectionType::ALL_BUT_SFS)
     {
         must_auto_find_ttys = true;
         must_auto_find_rtlsdrs = true;
@@ -388,7 +388,7 @@ void BusManager::detectAndConfigureWmbusDevices(Configuration *config, Detection
     for (SpecifiedDevice &specified_device : config->supplied_bus_devices)
     {
         specified_device.handled = false;
-        if (dt != DetectionType::ALL)
+        if (dt != DetectionType::ALL_BUT_SFS)
         {
             if (specified_device.is_tty || (!specified_device.is_stdin && !specified_device.is_file && !specified_device.is_simulation))
             {
@@ -417,14 +417,16 @@ void BusManager::detectAndConfigureWmbusDevices(Configuration *config, Detection
             Detected detected = detectBusDeviceWithCommand(specified_device, config->default_device_linkmodes, serial_manager_);
             specified_device.handled = true;
             openBusDeviceAndPotentiallySetLinkmodes(config, "config", &detected);
+            continue;
         }
-        if (specified_device.hex != "")
+        if (specified_device.hex != "" && dt == DetectionType::STDIN_FILE_SIMULATION)
         {
             Detected detected = detectBusDeviceWithFileOrHex(specified_device, config->default_device_linkmodes, serial_manager_);
             openBusDeviceAndPotentiallySetLinkmodes(config, "config", &detected);
             specified_device.handled = true;
+            continue;
         }
-        if (specified_device.file != "")
+        if (specified_device.file != "" && dt == DetectionType::STDIN_FILE_SIMULATION)
         {
             shared_ptr<SerialDevice> sd = serial_manager_->lookup(specified_device.file);
             if (sd != NULL)
@@ -510,7 +512,7 @@ void BusManager::detectAndConfigureWmbusDevices(Configuration *config, Detection
 
     for (SpecifiedDevice &specified_device : config->supplied_bus_devices)
     {
-        if (dt == DetectionType::ALL && !specified_device.handled)
+        if (dt == DetectionType::ALL_BUT_SFS && !specified_device.handled)
         {
             time_t last_alarm = specified_device.last_alarm;
             time_t now = time(NULL);

src/bus.h

@@ -28,7 +28,7 @@
 #include<set>
 #include<string>
 
-enum class DetectionType { STDIN_FILE_SIMULATION, ALL };
+enum class DetectionType { STDIN_FILE_SIMULATION, ALL_BUT_SFS };
 
 struct MeterManager;
 struct Configuration;

src/main.cc

@@ -426,7 +426,7 @@ void regular_checkup(Configuration *config)
 
     if (serial_manager_ && config)
     {
-        bus_manager_->detectAndConfigureWmbusDevices(config, DetectionType::ALL);
+        bus_manager_->detectAndConfigureWmbusDevices(config, DetectionType::ALL_BUT_SFS);
     }
 
     bus_manager_->regularCheckup();
@@ -559,7 +559,7 @@ bool start(Configuration *config)
 
     serial_manager_->startEventLoop();
 
-    bus_manager_->detectAndConfigureWmbusDevices(config, DetectionType::ALL);
+    bus_manager_->detectAndConfigureWmbusDevices(config, DetectionType::ALL_BUT_SFS);
 
     if (bus_manager_->numBusDevices() == 0)
     {

src/metermanager.cc

@@ -384,7 +384,7 @@ public:
         mi.idsc = t.ids.back();
 
         // This will be the driver that will actually decode and print with.
-        string using_driver = "";
+        string using_driver = "auto";
         int using_length = 0;
         int using_understood = 0;
 
@@ -393,9 +393,14 @@ public:
         int best_understood = 0;
         string best_driver = findBestNewStyleDriver(mi, &best_length, &best_understood, t, about, input_frame, simulated, "");
 
-        mi.driver_name = DriverName("");
+        mi.driver_name = DriverName(best_driver);
 
-        // Use the existing mapping from mfct/media/version to driver.
+        // Default to best driver....
+        using_driver = best_driver;
+        using_length = best_length;
+        using_understood = best_understood;
+
+        // Unless the existing mapping from mfct/media/version to driver overrides best.
         DriverInfo auto_di = pickMeterDriver(&t);
         string auto_driver = auto_di.name().str();
 
@@ -422,6 +427,8 @@ public:
 
         auto meter = createMeter(&mi);
 
+        assert(meter != NULL);
+
         bool match = false;
         string id;
 

src/util.cc

@@ -2150,20 +2150,23 @@ bool isValidBps(const string& b)
     return false;
 }
 
-size_t findBytes(vector<uchar> &v, uchar a, uchar b, uchar c)
+bool findBytes(vector<uchar> &v, uchar a, uchar b, uchar c, size_t *out)
 {
     size_t p = 0;
+
     while (p+2 < v.size())
     {
         if (v[p+0] == a &&
             v[p+1] == b &&
             v[p+2] == c)
         {
-            return p;
+            *out = p;
+            return true;
         }
         p++;
     }
-    return (size_t)-1;
+    *out = 999999;
+    return false;
 }
 
 string reverseBCD(const string& v)

src/util.h

@@ -261,7 +261,7 @@ std::string lookForExecutable(const std::string& prog, std::string bin_dir, std:
 bool parseExtras(const std::string& s, std::map<std::string,std::string> *extras);
 void checkIfMultipleWmbusMetersRunning();
 
-size_t findBytes(std::vector<uchar> &v, uchar a, uchar b, uchar c);
+bool findBytes(std::vector<uchar> &v, uchar a, uchar b, uchar c, size_t *out);
 
 enum class OutputFormat
 {

src/wmbus_amb8465.cc

@@ -1084,11 +1084,12 @@ AccessCheck detectAMB8465AMB3665(Detected *detected, shared_ptr<SerialCommunicat
             continue;
         }
         response.insert(response.end(), data.begin(), data.end());
-        size_t offset_8465 = findBytes(response, 0xff, 0x8A, 0x7A);
-        size_t offset_3665 = findBytes(response, 0xff, 0x8A, 0x82);
+        size_t offset_8465;
+        size_t offset_3665;
+        bool got_8465 = findBytes(response, 0xff, 0x8A, 0x7A, &offset_8465);
+        bool got_3665 = findBytes(response, 0xff, 0x8A, 0x82, &offset_3665);
 
-        if (offset_8465 == ((size_t)-1) &&
-            offset_3665 == ((size_t)-1))
+        if (!got_8465 && !got_3665)
         {
             // No response found yet, lets wait for more bytes.
             usleep(1000*100);
@@ -1096,18 +1097,24 @@ AccessCheck detectAMB8465AMB3665(Detected *detected, shared_ptr<SerialCommunicat
         }
 
         // We have the start of the response, but do we have enough bytes?
-        ok_8465 = config.decode8465(response, offset_8465);
-        // Yes!
-        if (ok_8465) {
-            debug("(amb8465) found response at offset %zu\n", offset_8465);
-            break;
+        if (got_8465)
+        {
+            ok_8465 = config.decode8465(response, offset_8465);
+            // Yes!
+            if (ok_8465) {
+                debug("(amb8465) found response at offset %zu\n", offset_8465);
+                break;
+            }
         }
-        // We have the start of the response, but do we have enough bytes?
-        ok_3665 = config.decode3665(response, offset_3665);
-        // Yes!
-        if (ok_3665) {
-            debug("(amb3665) found response at offset %zu\n", offset_3665);
-            break;
+        if (got_3665)
+        {
+            // We have the start of the response, but do we have enough bytes?
+            ok_3665 = config.decode3665(response, offset_3665);
+            // Yes!
+            if (ok_3665) {
+                debug("(amb3665) found response at offset %zu\n", offset_3665);
+                break;
+            }
         }
         // No complete response found yet, lets wait for more bytes.
         usleep(1000*100);