diff options
Diffstat (limited to 'src/common/protocol_private.h')
| -rw-r--r-- | src/common/protocol_private.h | 122 |
1 files changed, 9 insertions, 113 deletions
diff --git a/src/common/protocol_private.h b/src/common/protocol_private.h index d50a314..5228afd 100644 --- a/src/common/protocol_private.h +++ b/src/common/protocol_private.h @@ -1,115 +1,11 @@ -/* - * Usurpataion --- server-client protocol private interface. - * - * 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 - */ +#ifndef PROTOCOL_PRIVATE_H +#define PROTOCOL_PRIVATE_H -#ifndef PROTOCOL_H_PRIVATE -#define PROTOCOL_H_PRIVATE +static int push_string(const char *str); +static int push_fpi1(const char *num); +static int push_timestamp(const char *data); +static int push_request(const char *data); +static int push_reply(const char *data); +static int push_uuid(const char *data); -#include "utils.h" - -/** - * Returns the amount of tlv's int a packet. - * - * If a tlv reports length that goes beyond the end of a packet, errno is set - * to TLV_OVERFLOW. To check this, set errno to 0 first. - * - * @param packet data parsed from a packet. Function cannot use raw packets. - * - * @return Amount of tlv's in a packet. - * */ -size_t tlv_count(const struct packet_data * const packet_data); - -/** - * Pushes bytes to outgoing packet and adjusts the offset accordingly. - * - * Returns E_PACKET_OVERFLOW, if no more bytes can fit into the packet. - */ - -int push_bytes(cd_t cd, const char *data, size_t size); - -/** - * Parses tlv's from packet data and writes them to a buffer of given size. - * - * Returns how many tlv's were actually parsed. - * - * To check for errors, set errno to 0 and check after calling. - * - * Not yet implemented. - * - * @param data Data from network packet - * @param buf Buffer to store parsed tlv's - * @param buf_size Size of buffer used to store tlv's - * - * @return Number of tlv's actually parsed. Greter than or equal to buffer - * size, if an error occurs. - * */ -size_t get_tlvs( const struct packet_data * const data, - const struct tlv *buf, - size_t buf_size); - -/** Takes a null-terminated string and appends it to the next outgoing packet. - * - * @return Returns 0 on success. Otherwise: E_PACKET_OVERFLOW. - * - * */ -int push_string(cd_t connection, char *str); - -/** Reinterprets char * as fpi1_t * and appends it to the outgoing packet as a - * tlv. - */ -int push_fpi1(cd_t connection, char *num); - -/** Reinterprets char * as time_t * and appends it to the outgoing packet as a - * tlv. - */ -int push_timestamp(cd_t connection, char *data); - -/** - * Pushes a request for daemon to repeat a message identified by a msg_index_t. - * - * @param data Pointer to a msg_index_t. - * - * @return 0 on success or E_PACKET_OVERFLOW, if not enough space is available - * to push all the data. - */ -int push_request(cd_t connection, char *data); - -/** - * Pushes a message to the outgoing packet buffer as a reply. A reply is just - * a null terminated string. - * - * @param data msg_idx_t representing sequence number since beggining of - * connection and a null-terminated string. - * - * @return On success --- 0 or E_PACKET_OVERFLOW, if not enough buffer is - * available. - */ -int push_reply(cd_t connection, char *data); - -/** Reinterprets char * as uuid_t * and appends it to the outgoing packet as a - * tlv. - */ -int push_uuid(cd_t connection, char *data); - -/* Appends tlv_type and size of data to a packet effectively creating a tlv - * header. - */ -int push_tlv_header(cd_t connection, enum tlv_type type, size_t size); - -#endif /* PROTOCOL_H_PRIVATE */ +#endif /* PROTOCOL_PRIVATE_H */
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