split up getendpointsrequest in scm, rsp and gependpointsspecific

information to utilize gather buffer and prepare for further services.

examples/src/opcuaServerMini.c

@@ -35,45 +35,52 @@ int main(void) {
 
 #ifdef LINUX
 
-UA_Byte ack_msg_buf[] = { 					0x41, 0x43, /* ..m...AC */
+UA_Byte ack_msg_buf[] = { 					0x41, 0x43, /*       AC */
 		0x4b, 0x46, 0x1c, 0x00, 0x00, 0x00, 0xff, 0xff, /* KF...... */
 		0xff, 0xff, 0x00, 0x20, 0x00, 0x00, 0x00, 0x20, /* ... ...  */
 		0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x01, 0x00, /* ...@.... */
-		0x00, 0x00                                      /* .. */
+		0x00, 0x00                                      /* ..       */
 };
 UA_ByteString ack_msg = { sizeof(ack_msg_buf), ack_msg_buf };
 UA_ByteString* ack_msg_gb[] = { &ack_msg };
 
 
-UA_Byte opn_msg_buf[] = {                   0x4f, 0x50, /* ......OP */
-		0x4e, 0x46, 0x88, 0x00, 0x00, 0x00, 0x19, 0x00, /* NF...... */
-		0x00, 0x00, 0x2f, 0x00, 0x00, 0x00, 0x68, 0x74, /* ../...ht */
-		0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x6f, 0x70, 0x63, /* tp://opc */
-		0x66, 0x6f, 0x75, 0x6e, 0x64, 0x61, 0x74, 0x69, /* foundati */
-		0x6f, 0x6e, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x55, /* on.org/U */
-		0x41, 0x2f, 0x53, 0x65, 0x63, 0x75, 0x72, 0x69, /* A/Securi */
-		0x74, 0x79, 0x50, 0x6f, 0x6c, 0x69, 0x63, 0x79, /* tyPolicy */
-		0x23, 0x4e, 0x6f, 0x6e, 0x65, 0xff, 0xff, 0xff, /* #None... */
-		0xff, 0xff, 0xff, 0xff, 0xff, 0x33, 0x00, 0x00, /* .....3.. */
-		0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0xc1, /* ........ */
-		0x01, 0x10, 0x56, 0x73, 0x9e, 0xdf, 0x63, 0xcf, /* ..Vs..c. */
-		0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
-		0x00, 0xff, 0xff, 0xff, 0xff, 0x19, 0x00, 0x00, /* ........ */
-		0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
-		0x00, 0x01, 0x00, 0x00, 0x00, 0x48              /* .....H */ };
+UA_Byte opn_msg_buf[] = {           0x4f, 0x50, /*       OP */
+0x4e, 0x46, 0x88, 0x00, 0x00, 0x00, 0x19, 0x00, /* NF...... */
+0x00, 0x00, 0x2f, 0x00, 0x00, 0x00, 0x68, 0x74, /* ../...ht */
+0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x6f, 0x70, 0x63, /* tp://opc */
+0x66, 0x6f, 0x75, 0x6e, 0x64, 0x61, 0x74, 0x69, /* foundati */
+0x6f, 0x6e, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x55, /* on.org/U */
+0x41, 0x2f, 0x53, 0x65, 0x63, 0x75, 0x72, 0x69, /* A/Securi */
+0x74, 0x79, 0x50, 0x6f, 0x6c, 0x69, 0x63, 0x79, /* tyPolicy */
+0x23, 0x4e, 0x6f, 0x6e, 0x65, 0xff, 0xff, 0xff, /* #None... */
+0xff, 0xff, 0xff, 0xff, 0xff, 0x33, 0x00, 0x00, /* .....3.. */
+0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0xc1, /* ........ */
+0x01, 0x10, 0x56, 0x73, 0x9e, 0xdf, 0x63, 0xcf, /* ..Vs..c. */
+0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0xff, 0xff, 0xff, 0xff, 0x19, 0x00, 0x00, /* ........ */
+0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x01, 0x00, 0x00, 0x00, 0x48              /* .....H   */
+};
+
 UA_ByteString opn_msg = { sizeof(opn_msg_buf), opn_msg_buf };
 UA_ByteString* opn_msg_gb[] = { &opn_msg };
 
-UA_Byte gep_msg_buf[] = {           0x4d, 0x53, /* ......MS */
-0x47, 0x46, 0x8b, 0x01, 0x00, 0x00, 0x19, 0x00, /* GF...... */
+UA_Byte scm_msg_buf[] = {           0x4d, 0x53, /*       MS */
+0x47, 0x46, 0x8b, 0x01, 0x00, 0x00, 0x19, 0x00, /* GF<XX>.. */ // <XX> = msglen. TODO: should be set or checked by writer?
 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x34, 0x00, /* ......4. */
-0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, /* ........ */
-0xaf, 0x01, 0x2c, 0xc1, 0x73, 0x9e, 0xdf, 0x63, /* ..,.s..c */
+0x00, 0x00, 0x02, 0x00, 0x00, 0x00              /* ......   */
+};
+UA_Byte rsp_msg_buf[] = {           0x01, 0x00, /* ........ */
+0xaf, 0x01, 0x2c, 0xc1, 0x73, 0x9e, 0xdf, 0x63, /* <>,.s..c */ // <> = response nS0-ID
 0xcf, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
-0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1b, 0x00, /* ........ */
+0x00, 0x00};
+
+UA_Byte gep_msg_buf[] = {
+		    0x01, 0x00, 0x00, 0x00, 0x1b, 0x00, /*   ...... */
 0x00, 0x00, 0x6f, 0x70, 0x63, 0x2e, 0x74, 0x63, /* ..opc.tc */
 0x70, 0x3a, 0x2f, 0x2f, 0x31, 0x30, 0x2e, 0x30, /* p://10.0 */
 0x2e, 0x35, 0x33, 0x2e, 0x31, 0x39, 0x38, 0x3a, /* .53.198: */
@@ -118,8 +125,10 @@ UA_Byte gep_msg_buf[] = {           0x4d, 0x53, /* ......MS */
 0x75, 0x61, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, /* uabinary */
 0x00                                            /* . */
 };
+UA_ByteString scm_msg = { sizeof(scm_msg_buf), scm_msg_buf };
+UA_ByteString rsp_msg = { sizeof(rsp_msg_buf), rsp_msg_buf };
 UA_ByteString gep_msg = { sizeof(gep_msg_buf), gep_msg_buf };
-UA_ByteString* gep_msg_gb[] = { &gep_msg };
+UA_ByteString* gep_msg_gb[] = { &scm_msg, &rsp_msg, &gep_msg };
 
 UA_Int32 myProcess(TL_Connection* connection, const UA_ByteString* msg) {
 	switch (*((UA_Int32*) &(msg->data[0]))) { // compare first four bytes
@@ -136,11 +145,11 @@ UA_Int32 myProcess(TL_Connection* connection, const UA_ByteString* msg) {
 			switch (*((UA_Int16*) &(msg->data[26]))) {
 				case (UA_Int16) 0xAC01: // 428 - GetEndpointsRequest
 					printf("server_run - GetEndpointsRequest\n");
-					connection->writerCallback(connection, (const UA_ByteString**) &gep_msg_gb, 1);
+					connection->writerCallback(connection, (const UA_ByteString**) &gep_msg_gb, 3);
 				break;
 				default:
-					//FIXME: send a real error message
-					connection->writerCallback(connection, (const UA_ByteString**) &gep_msg_gb, 1);
+					//FIXME: construct and send a real error message
+					connection->writerCallback(connection, (const UA_ByteString**) &gep_msg_gb, 3);
 				break;
 			}
 		break;