* Implemented method to the values from the request header

* Fixed compiler errors in the tests

include/cppmicrohttpd/request/request.h

@@ -51,6 +51,26 @@ namespace cppmicrohttpd
          */
         virtual ~request() = default;
 
+        /**
+         * @brief Get a value from the header.
+         *
+         * @param[in] key       Key ot the value to look for.
+         *
+         * @return              Header value or empty string if not found.
+         */
+        inline std::string get_header(const std::string& key) const;
+
+        /**
+         * @brief Get a value from the header.
+         *
+         * @param[in]  key      Key ot the value to look for.
+         * @param[out] value    Value from the header.
+         *
+         * @retval true         If the header value was found.
+         * @retval false        If the header value was not found.
+         */
+        inline bool get_header(const std::string& key, std::string& value) const;
+
         /**
          * @brief Set HTTP error, if an error is already set, the new error is ignored.
          *

include/cppmicrohttpd/request/request.inl

@@ -16,6 +16,20 @@ namespace cppmicrohttpd
         , version   (p_version)
         { }
 
+    std::string request::get_header(const std::string& key) const
+    {
+        std::string value;
+        get_header(key, value);
+        return value;
+    }
+
+    bool request::get_header(const std::string& key, std::string& value) const
+    {
+        auto v = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, key.c_str());
+        if (v) value.assign(v);
+        return static_cast<bool>(v);
+    }
+
     template<typename T_exception>
     void request::set_error(const T_exception& p_error)
     {

test/helper/libmicrohttpd_mock.cpp

@@ -7,14 +7,14 @@ extern "C"
 
     int MHD_get_fdset2(
         struct MHD_Daemon *daemon,
-        ::cppcore::fdset * read_::cppcore::fdset,
-        ::cppcore::fdset * write_::cppcore::fdset,
-        ::cppcore::fdset * except_::cppcore::fdset,
+        fd_set * read_fdset,
+        fd_set * write_fdset,
+        fd_set * except_fdset,
         int * max_fd,
-        unsigned int ::cppcore::fdsetsize)
+        unsigned int fdsetsize)
     {
         return libmicrohttpd_mock::instance
-            ? libmicrohttpd_mock::instance->MHD_get_fdset2(daemon, read_::cppcore::fdset, write_::cppcore::fdset, except_::cppcore::fdset, max_fd, ::cppcore::fdsetsize)
+            ? libmicrohttpd_mock::instance->MHD_get_fdset2(daemon, read_fdset, write_fdset, except_fdset, max_fd, fdsetsize)
             : MHD_NO;
     }
 
@@ -29,12 +29,12 @@ extern "C"
 
     int MHD_run_from_select (
         struct MHD_Daemon * daemon,
-        const ::cppcore::fdset * read_::cppcore::fdset,
-        const ::cppcore::fdset * write_::cppcore::fdset,
-        const ::cppcore::fdset * except_::cppcore::fdset)
+        const fd_set * read_fdset,
+        const fd_set * write_fdset,
+        const fd_set * except_fdset)
     {
         return libmicrohttpd_mock::instance
-            ? libmicrohttpd_mock::instance->MHD_run_from_select(daemon, read_::cppcore::fdset, write_::cppcore::fdset, except_::cppcore::fdset)
+            ? libmicrohttpd_mock::instance->MHD_run_from_select(daemon, read_fdset, write_fdset, except_fdset)
             : MHD_NO;
     }
 

test/helper/libmicrohttpd_mock.h

@@ -10,11 +10,11 @@ public:
     MOCK_METHOD6(
         MHD_get_fdset2,
         int (struct MHD_Daemon *daemon,
-             ::cppcore::fdset * read_::cppcore::fdset,
-             ::cppcore::fdset * write_::cppcore::fdset,
-             ::cppcore::fdset * except_::cppcore::fdset,
+             fd_set * read_fdset,
+             fd_set * write_fdset,
+             fd_set * except_fdset,
              int * max_fd,
-             unsigned int ::cppcore::fdsetsize));
+             unsigned int fdsetsize));
 
     MOCK_METHOD2(
         MHD_get_timeout,
@@ -24,9 +24,9 @@ public:
     MOCK_METHOD4(
         MHD_run_from_select,
         int (struct MHD_Daemon * daemon,
-             const ::cppcore::fdset * read_::cppcore::fdset,
-             const ::cppcore::fdset * write_::cppcore::fdset,
-             const ::cppcore::fdset * except_::cppcore::fdset));
+             const fd_set * read_fdset,
+             const fd_set * write_fdset,
+             const fd_set * except_fdset));
 
     MOCK_METHOD6(
         MHD_start_daemon,