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Outbound_Packet.Raw_Data.Data :=
new Stream_Element_Array (1 .. QData'Length);
Outbound_Packet.Raw_Data.Data.all := String_To_Packet (QData);
Outbound_Packet.Raw_Data_Length :=
DNS_PACKET_HEADER_SIZE + QData'Length;
Function Definition: -- Parse_Procedure is an access procedure that is used as a common prototype
Function Body: -- for all parsing functionality dispatched from GCP_Management and other
-- vectors.
--
-- @value Config
-- Configuration struct to update
--
-- @value Value_Str
-- Pure text version of the configuration argument
--
type Parse_Procedure is access procedure
(Config : in out Configuration;
Value_Str : String);
-- GCP_Management is a vector that handles dynamic dispatch to the
-- parsing parameters above; it is used to match key/values from the
-- config file to
package GCP_Management is new Ada.Containers.Indefinite_Ordered_Maps
(String, Parse_Procedure);
GCP_Map : GCP_Management.Map;
-- Configuration constructor
procedure Initialize (Config : in out Configuration) is
begin
-- We initialize the ports to 53 by default
Config.Local_Listen_Port := 53;
Config.Upstream_DNS_Server_Port := 53;
-- No upstream server is set
Config.Upstream_DNS_Server := To_Unbounded_String ("");
end Initialize;
-- Loads the load listen value and sets it in the config record
--
-- @value Config
-- Configuration struct to update
--
-- @value Value_Str
-- Pure text version of the configuration argument
--
procedure Parse_Local_Listen_Port
(Config : in out Configuration;
Value_Str : String)
is
begin
Config.Local_Listen_Port := Port_Type'Value (Value_Str);
exception
when Constraint_Error =>
raise Malformed_Line with "Local_Listen_Port not a valid port number";
end Parse_Local_Listen_Port;
-- Loads the upstream DNS Server from the config file
--
-- @value Config
-- Configuration struct to update
--
-- @value Value_Str
-- Pure text version of the configuration argument
--
procedure Parse_Upstream_DNS_Server
(Config : in out Configuration;
Value_Str : String)
is
begin
Config.Upstream_DNS_Server := To_Unbounded_String (Value_Str);
exception
when Constraint_Error =>
raise Malformed_Line with "Invalid upstrema DNS Server";
end Parse_Upstream_DNS_Server;
-- Loads the upstream DNS Server port from the config file
--
-- @value Config
-- Configuration struct to update
--
-- @value Value_Str
-- Pure text version of the configuration argument
--
procedure Parse_Upstream_DNS_Server_Port
(Config : in out Configuration;
Value_Str : String)
is
begin
Config.Upstream_DNS_Server_Port := Port_Type'Value (Value_Str);
exception
when Constraint_Error =>
raise Malformed_Line
with "Upstream_DNS_Server_Port not a valid port number";
end Parse_Upstream_DNS_Server_Port;
procedure Initialize_Config_Parse is
begin
-- Load String to Type Mapping