Enabled wifi lan medium. fixed bug with returned service id in avahi onItemNew

internal/platform/implementation/linux/avahi.cc

@@ -46,7 +46,7 @@ void ServiceBrowser::onItemNew(const int32_t &interface,
     info.SetServiceName(r_name);
     info.SetIPAddress(r_address);
     info.SetPort(r_port);
-    info.SetServiceType(r_type);
+    info.SetServiceType(r_type + "."); // discovery callback expects an extra period at t
     for (auto &attr : r_txt) {
       auto attr_str = std::string(attr.begin(), attr.end());
       size_t pos = attr_str.find('=');

internal/platform/implementation/linux/platform.cc

@@ -42,7 +42,7 @@
 #include "internal/platform/implementation/linux/timer.h"
 // #include "internal/platform/implementation/linux/wifi_direct.h"
 // #include "internal/platform/implementation/linux/wifi_hotspot.h"
-// #include "internal/platform/implementation/linux/wifi_lan.h"
+#include "internal/platform/implementation/linux/wifi_lan.h"
 // #include "internal/platform/implementation/linux/wifi_medium.h"
 #include "internal/platform/implementation/platform.h"
 
@@ -305,10 +305,9 @@ std::unique_ptr<api::WifiMedium> ImplementationPlatform::CreateWifiMedium() {
 
 std::unique_ptr<api::WifiLanMedium>
 ImplementationPlatform::CreateWifiLanMedium() {
-  return nullptr;
-  // auto nm =
-  //     std::make_shared<linux::networkmanager::NetworkManager>(linux::getSystemBusConnection());
-  // return std::make_unique<linux::WifiLanMedium>(nm);
+  auto nm = std::make_shared<linux::networkmanager::NetworkManager>(
+      linux::getSystemBusConnection());
+  return std::make_unique<linux::WifiLanMedium>(nm);
 }
 
 std::unique_ptr<api::WifiHotspotMedium>

internal/platform/implementation/linux/wifi_lan.cc

@@ -101,6 +101,7 @@ bool WifiLanMedium::StartAdvertising(const NsdServiceInfo &nsd_service_info) {
 
   auto entry_group =
       std::make_unique<avahi::EntryGroup>(*system_bus_, entry_group_path);
+  LOG(INFO) << __func__ << ": Adding avahi service with service type: " << nsd_service_info.GetServiceType();
 
   try {
     entry_group->AddService(
@@ -161,7 +162,7 @@ bool WifiLanMedium::StartDiscovery(
     LOG(INFO)
         << __func__
         << ": Created a new org.freedesktop.Avahi.ServiceBrowser object at "
-        << browser_object_path;
+        << browser_object_path << " for service_type: " << service_type;
 
     absl::MutexLock l(&service_browsers_mutex_);
     service_browsers_.emplace(

internal/platform/wifi_lan.cc

@@ -155,7 +155,10 @@ bool WifiLanMedium::StartDiscovery(const std::string& service_id,
     service_type_to_services_map_.insert(
         {service_type, absl::flat_hash_set<std::string>()});
   }
-
+  LOG(INFO)<< " : Before calling Start discovery";
+  for (const auto& [key, value] : service_type_to_callback_map_) {
+    LOG(INFO) << "key=" << key << " value=" << value;
+  }
   bool success = impl_->StartDiscovery(service_type, std::move(api_callback));
   if (!success) {
     // If failed, then revert back the insertion.