Protocol: interface redesign.

Every function is a stub now. Reimplementaion coming up.

Signed-off-by: Ramūnas Mažeikis <ramunasnezinomas@gmail.com>

2 files changed, 0 insertions, 180 deletions

diff --git a/src/device/protocol_device.c b/src/device/protocol_device.c
deleted file mode 100644
index d5ec62d..0000000
--- a/src/device/protocol_device.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Usurpation – wearable device udp packet handling
- *
- * 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
- */
-
-#include <time.h>
-#include <stdlib.h>
-#include <string.h>
-#include "net.h"
-#include "protocol.h"
-#include "protocol_private.h"
-#include "protocol_device_private.h"
-#include "settings.h"
-
-#define READ_AS(type, from)	(*((type*)(from)))
-
-static struct connection_t connection;
-
-cd_t protocol_init(void)
-{
-	connection.is_live = 1;
-	connection.nd = net_init(setting_port());
-	return 0;
-}
-
-int clear_data(cd_t cd)
-{
-	int ret = 0;
-	if (cd >= MAX_CONNECTIONS) {
-		ret = E_IVALID_DESCRIPTOR;
-	} else {
-		connection.inp_crs = 0;
-	}
-	return ret;
-}
-
-static int push_bytes(cd_t cd, const char *data, size_t size)
-{
-	int ret = 0;
-
-	if (cd >= MAX_CONNECTIONS) {
-		ret = E_IVALID_DESCRIPTOR;
-	} else if (connection.outp_crs + size >= sizeof(connection.outp_buf)) {
-		ret = E_PACKET_OVERFLOW;
-	} else {
-		memcpy(connection.outp_buf, data, size);
-		connection.outp_crs += size;
-	}
-	return ret;
-}
-
-static int push_tlv_header(cd_t cd, enum tlv_type type, size_t size)
-{
-	int ret = 0;
-
-	if (cd >= MAX_CONNECTIONS) {
-		errno = E_IVALID_DESCRIPTOR;
-		ret = NULL;
-	} else if (connection.outp_crs >= MAX_PACKET_SIZE_IN) {
-		errno = E_TLV_OVERFLOW;
-		ret = NULL;
-	} else {
-		READ_AS(enum tlv_type, connection.outp_buf + connection.outp_crs)
-			= type;
-		connection.outp_crs += sizeof(enum tlv_type);
-		READ_AS(size_t, connection.outp_buf + connection.outp_crs) = size;
-		connection.outp_crs += sizeof(size_t);
-	}
-	return ret;
-}
-
-struct tlv * get_tlv(cd_t cd)
-{
-	struct tlv *ret = &connection.next_tlv;
-	size_t offset = connection.inp_crs;
-	char *data = connection.inp_buf;
-
-	if (cd >= MAX_CONNECTIONS) {
-		errno = E_IVALID_DESCRIPTOR;
-		ret = NULL;
-	} else if (offset >= MAX_PACKET_SIZE_IN) {
-		errno = E_TLV_OVERFLOW;
-		ret = NULL;
-	} else {
-		ret->type = READ_AS(enum tlv_type, data + offset);
-		offset += sizeof(enum tlv_type);
-		ret->length = READ_AS(size_t, data + offset);
-		offset += sizeof(size_t);
-		ret->data = data + offset;
-		connection.inp_crs = offset;
-	}
-	return ret;
-}
-
-int flush_data(cd_t cd)
-{
-	return 0;
-}
-
-int get_last_data(cd_t cd)
-{
-	if (cd >= MAX_CONNECTIONS) {
-		return E_IVALID_DESCRIPTOR;
-	}
-	net_getlastdata(connection.nd, connection.inp_buf);
-}
diff --git a/src/device/protocol_device_private.h b/src/device/protocol_device_private.h
deleted file mode 100644
index 6754ecf..0000000
--- a/src/device/protocol_device_private.h
+++ /dev/null
@@ -1,59 +0,0 @@
-#ifndef PROTOCOL_DEVICE_PRIVATE_H
-#define PROTOCOL_DEVICE_PRIVATE_H
-
-#include "net.h"
-
-#define MAX_PACKET_SIZE_OUT     (64)
-
-/* Maximum size of packet that can fit into the packet buffer. UDP can carry
- * bigger packets but memory is hard to come by and more won't be needed
- * anyway.
- * */
-#define MAX_PACKET_SIZE_IN	512
-/**
- * Device only gets one connection. Because daemon.
- */
-#define MAX_CONNECTIONS		(1UL)
-
-/**
- * Error which says that writing any more to packet buffer will overflow
- * outgoing buffer.
- */
-#define E_PACKET_OVERFLOW	(1 << 0)
-
-/**
- * Device's view of connection to daemon.
- */
-struct connection_t {
-        /**
-	 * Initially 0, non-zero when connection is open, 0 when connection
-	 * is closed again.
-	 */
-        int is_live;
-
-	/** Network descriptor that maps to daemon */
-	int nd;
-
-        /** Time last packet was reveived */
-        time_t last_packet_sec;
-
-        /** Incoming packet buffer */
-        char inp_buf[MAX_PACKET_SIZE_IN];
-
-        /** Incoming packet cursor */
-        size_t inp_crs;
-
-        /** Outgoing packet buffer */
-        char outp_buf[MAX_PACKET_SIZE_OUT];
-
-        /** Outgoing packet cursor */
-        size_t outp_crs;
-
-	/**
-	 * Next tlv to be returned via get_tlv. NULL initially and after last
-	 * element.
-	 * */
-	struct tlv next_tlv;
-};
-
-#endif /* PROTOCOL_DEVICE_PRIVATE_H */
\ No newline at end of file