Merge branch '31-Net-Protocol-Handling'

Signed-off-by: Gediminas Jakutis <gediminas@varciai.lt>

1 files changed, 48 insertions, 0 deletions

diff --git a/src/common/protocol_private.h b/src/common/protocol_private.h
new file mode 100644
index 0000000..51d5431
--- /dev/null
+++ b/src/common/protocol_private.h
@@ -0,0 +1,48 @@
+/*
+ * Usurpataion --- clinet-server protocol implementation.
+ *
+ * Copyright (C) 2019 Ramūnas Mažeikis
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; version 2.1
+ * of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+/**
+ * Common parts of protocol implementation. Handling of anything that actually
+ * deals with connection descriptor has to be implemented by device and daemon
+ * separately.
+ */
+
+#ifndef PROTOCOL_PRIVATE_H
+#define PROTOCOL_PRIVATE_H
+
+#include "protocol_private.h"
+
+/**
+ * Convenience function that pushes bytes to the end of a packet and reports
+ * potential overflow.
+ *
+ * In case of detected overflow nothing is done to the packet.
+ */
+int push_bytes(struct tlv_packet *packet, char *data, size_t size);
+
+/**
+ * Convenience function that forms a tlv header at the end of a packet. Reports
+ * potential overflow.
+ *
+ * In case of detected overflow nothing is done to the packet.
+ */
+int push_tlv_header(struct tlv_packet *packet, enum tlv_type type, size_t size);
+
+#endif /* PROTOCOL_PRIVATE_H */