Diff: config/ConfigSync.cpp

Revision:

99:e369fc75c000

Child:

100:47ea098f8a47

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/config/ConfigSync.cpp	Thu May 07 09:57:55 2015 +0000
@@ -0,0 +1,145 @@
+#include <stdio.h>
+#include "ConfigSync.h"
+#include "DeviceMemory.h"
+#include "ComposedRecord.h"
+#include "CharValue.h"
+#include "IntegerValue.h"
+#include "logging.h"
+
+ConfigSync::ConfigSync(
+    AbstractSmartRest& client, SmartRestTemplate& tpl,
+    long& deviceId) :
+    _init (false),
+    _changed (false),
+    _tpl(tpl),
+    _client(client),
+    _deviceId(deviceId),
+    _deviceConfiguration(),
+    _configurationProperties(_deviceConfiguration)
+{
+}
+
+bool ConfigSync::init()
+{
+    if (_init)
+        return false;
+    
+    // Update Configuration
+    // Usage: 130,<DEVICE/ID>,<CONFIG/STRING>,<RESPONSIBILITY>
+    if (!_tpl.add("10,130,PUT,/inventory/managedObjects/%%,application/vnd.com.nsn.cumulocity.managedObject+json,application/vnd.com.nsn.cumulocity.managedObject+json,%%,UNSIGNED STRING NUMBER,\"{\"\"c8y_Configuration\"\":{\"\"config\"\":\"\"%%\"\"},\"\"c8y_RequiredAvailability\"\":{ \"\"responseInterval\"\":%%}}\"\r\n"))
+        return false;
+
+    _init = true;
+    return true;
+}
+
+bool ConfigSync::integrate()
+{
+    if ((!loadConfiguration()) || (!_configurationProperties.validateProperties())) {
+        if ((!_configurationProperties.resetConfiguration()) || (!updateDeviceObject()) || (!saveConfiguration()))
+            return false;
+    } else {
+        if (!updateDeviceObject())
+            return false;
+    }
+    return true;
+}
+
+bool ConfigSync::run()
+{
+    if (!_changed)
+        return true;
+
+    if ((!updateDeviceObject()) || (!saveConfiguration()))
+        return false;
+    
+    _changed = false;
+    return true;
+}
+
+bool ConfigSync::updateConfiguration(const char *cfg)
+{
+    if (!_deviceConfiguration.read(cfg)) {
+        aError("Read device config.\n");
+        return false;
+    }
+    
+    if (!_configurationProperties.validateProperties()) {
+        loadConfiguration();
+        return false;
+    }
+    
+    _changed = true;
+    return true;
+}
+
+bool ConfigSync::updateDeviceObject()
+{
+    char buf[256];
+    
+    if (!_deviceConfiguration.write(buf, sizeof(buf))) {
+        aError("Unable to write config.\n");
+        return false;
+    }
+
+    ComposedRecord record;
+    ParsedRecord received;
+
+    IntegerValue msgId(130);
+    IntegerValue deviceId(_deviceId);
+    CharValue config(buf);
+    IntegerValue responsibility(_configurationProperties.readInterval());
+    if (!record.add(msgId) || !record.add(deviceId) || !record.add(config) || !record.add(responsibility)) {
+        return false;
+    }
+    
+    if (_client.send(record) != SMARTREST_SUCCESS) {
+        _client.stop();
+        return false;
+    }
+    
+    if (_client.receive(received) != SMARTREST_SUCCESS) {
+        _client.stop();
+        return false;
+    }
+    _client.stop();
+
+    if (received.values() != 3) {
+        aError("Invalid config, %d (3) values received.\n", received.values());
+        return false;
+    } else if (received.value(0).integerValue() != 201) {
+        aError("updateDeviceObject: Message ID %ld .\n", received.value(0).integerValue());
+        return false;
+    }
+    return true;
+}
+
+bool ConfigSync::loadConfiguration()
+{
+    char buf[256];
+    
+    if (!::loadConfiguration(buf, sizeof(buf))) {
+        aError("Load device config.\n");
+        return false;
+    }
+    if (!_deviceConfiguration.read(buf)) {
+        aError("Read device config.\n");
+        return false;
+    }
+    return true;
+}
+
+bool ConfigSync::saveConfiguration()
+{
+    char buf[256];
+    
+    if (!_deviceConfiguration.write(buf, sizeof(buf))) {
+        aError("Write device config.\n");
+        return false;
+    }
+    if (!::saveConfiguration(buf)) {
+        aError("Save device config.\n");
+        return false;
+    }
+    return true;
+}