Implement a function which returns server access url

Author: vighnesh-sawant

include/server.h

@@ -69,6 +69,7 @@ namespace kiwix
        int getPort() const;
        IpAddress getAddress() const;
        IpMode getIpMode() const;
+       std::vector<std::string> getServerAccessUrls() const;
 
      protected:
        std::shared_ptr<Library> mp_library;

src/server.cpp

@@ -29,6 +29,22 @@
 
 namespace kiwix {
 
+namespace
+{
+
+std::string makeServerUrl(std::string host, int port, std::string root)
+{
+  const int httpDefaultPort = 80;
+
+  if (port == httpDefaultPort) {
+    return "http://" + host + root;
+  } else {
+    return "http://" + host + ":" + std::to_string(port) + root;
+  }
+}
+
+}  // unnamed namespace
+
 Server::Server(LibraryPtr library, std::shared_ptr<NameMapper> nameMapper) :
   mp_library(library),
   mp_nameMapper(nameMapper),
@@ -106,4 +122,19 @@ IpMode Server::getIpMode() const
   return mp_server->getIpMode();
 }
 
+std::vector<std::string> Server::getServerAccessUrls() const
+{
+  std::vector<std::string> result;
+  const kiwix::IpAddress addresses = Server::getAddress();
+  const int port = Server::getPort();
+  const std::string root = mp_server->getRootPrefixOfDecodedURL();
+  if (!addresses.addr.empty()) {
+    result.push_back(makeServerUrl(addresses.addr, port, root));
+  }
+  if (!addresses.addr6.empty()) {
+    result.push_back(makeServerUrl("[" + addresses.addr6 + "]", port, root));
+  }
+  return result;
 }
+
+}

src/server/internalServer.h

@@ -124,6 +124,7 @@ class InternalServer {
     IpAddress getAddress() const { return m_addr; }
     int getPort() const { return m_port; }
     IpMode getIpMode() const { return m_ipMode; }
+    std::string getRootPrefixOfDecodedURL() const { return m_rootPrefixOfDecodedURL; }
 
   private: // functions
     std::unique_ptr<Response> handle_request(const RequestContext& request);