Persist modem settings on new instances

src/modules/modem/Modem.cpp

@@ -28,6 +28,14 @@ ModemArgInfo::ModemArgInfo(void) {
     
 }
 
+Modem::Modem() {
+    
+}
+
+Modem::~Modem() {
+    
+}
+
 void Modem::addModemFactory(Modem *factorySingle) {
     modemFactories[factorySingle->getName()] = factorySingle;
 }
@@ -58,12 +66,19 @@ std::string Modem::readSetting(std::string setting) {
     return "";
 }
 
-Modem::Modem() {
-    
+void Modem::writeSettings(ModemSettings settings) {
+    for (ModemSettings::const_iterator i = settings.begin(); i != settings.end(); i++) {
+        writeSetting(i->first, i->second);
+    }
 }
 
-Modem::~Modem() {
-    
+ModemSettings Modem::readSettings() {
+    ModemArgInfoList args = getSettings();
+    ModemSettings rs;
+    for (ModemArgInfoList::const_iterator i = args.begin(); i != args.end(); i++) {
+        rs[i->key] = readSetting(i->key);
+    }
+    return rs;
 }
 
 bool Modem::shouldRebuildKit() {

src/modules/modem/Modem.h

@@ -105,6 +105,8 @@ typedef std::vector<ModemArgInfo> ModemArgInfoList;
 class Modem;
 typedef std::map<std::string,Modem *> ModemFactoryList;
 
+typedef std::map<std::string, std::string> ModemSettings;
+
 class Modem  {
 public:
     static void addModemFactory(Modem *factorySingle);
@@ -122,7 +124,9 @@ public:
     
     virtual ModemArgInfoList getSettings();
     virtual void writeSetting(std::string setting, std::string value);
+    virtual void writeSettings(ModemSettings settings);
     virtual std::string readSetting(std::string setting);
+    virtual ModemSettings readSettings();
     
     virtual int checkSampleRate(long long sampleRate, int audioSampleRate) = 0;