src/asp-coordination-protocol.h

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef __ASP_COORDINATION_PROTOCOL_H__
  18 #define __ASP_COORDINATION_PROTOCOL_H__
  19
  20 #include <stdio.h>
  21 #include <string.h>
  22 #include <glib.h>
  23 #include <gio/gio.h>
  24
  25 #define SESSION_MAC_BUF_SIZE 6
  26 #define SESSION_INFO_BUF_SIZE 144
  27 #define DEFERRED_INFO_BUF_SIZE 144
  28
  29 #define ADV
  30
  31 #ifdef SEEKER
  32 #define ROLE "[seeker    ]"
  33 #define INFO_MSG ASP_LOGD("%s %s", ROLE, __TIME__)
  34 #else
  35 #define ROLE "[advertiser]"
  36 #define INFO_MSG ASP_LOGD("%s %s", ROLE, __TIME__)
  37 #endif
  38
  39 typedef struct asp_coord_header {
  40         guint8 opcode;
  41         guint8 seq_num;
  42 } __attribute__((packed)) asp_coord_header_s;
  43
  44 typedef struct asp_request_header {
  45         guint8 opcode;
  46         guint8 seq_num;
  47         guint8 session_mac[SESSION_MAC_BUF_SIZE];
  48         guint32 session_id;
  49 } __attribute__((packed)) asp_request_header_s;
  50
  51 typedef struct asp_request_session {
  52         guint8 opcode;
  53         guint8 seq_num;
  54         guint8 session_mac[SESSION_MAC_BUF_SIZE];
  55         guint32 session_id;
  56         guint32 advertisement_id;
  57         guint8 session_information_length;
  58         guint8 session_information[SESSION_INFO_BUF_SIZE];
  59 } __attribute__((packed)) asp_request_session_s;
  60
  61 typedef struct asp_added_session {
  62         guint8 opcode;
  63         guint8 seq_num;
  64         guint8 session_mac[SESSION_MAC_BUF_SIZE];
  65         guint32 session_id;
  66 } __attribute__((packed)) asp_added_session_s;
  67
  68 typedef struct asp_rejected_session {
  69         guint8 opcode;
  70         guint8 seq_num;
  71         guint8 session_mac[SESSION_MAC_BUF_SIZE];
  72         guint32 session_id;
  73 } __attribute__((packed)) asp_rejected_session_s;
  74
  75 typedef struct asp_remove_session {
  76         guint8 opcode;
  77         guint8 seq_num;
  78         guint8 session_mac[SESSION_MAC_BUF_SIZE];
  79         guint32 session_id;
  80         guint8 reason;
  81 } __attribute__((packed)) asp_remove_session_s;
  82
  83 typedef struct asp_allowed_port {
  84         guint8 opcode;
  85         guint8 seq_num;
  86         guint8 session_mac[SESSION_MAC_BUF_SIZE];
  87         guint32 session_id;
  88         guint16 port;
  89         guint8 proto;
  90 } __attribute__((packed)) asp_allowed_port_s;
  91
  92 typedef struct asp_version {
  93         guint8 opcode;
  94         guint8 seq_num;
  95         guint8 coordination_version;
  96         guint8 vendor_information_length;
  97         guint32 vendor_information;
  98 } __attribute__((packed)) asp_version_s;
  99
 100 typedef struct asp_deferred_session {
 101         guint8 opcode;
 102         guint8 seq_num;
 103         guint8 session_mac[SESSION_MAC_BUF_SIZE];
 104         guint32 session_id;
 105         guint8 deferred_session__response_length;
 106         guint8 deferred_session__response[DEFERRED_INFO_BUF_SIZE];
 107 } __attribute__((packed)) asp_deferred_session_s;
 108
 109 typedef struct asp_ack {
 110         guint8 opcode;
 111         guint8 seq_num;
 112 } __attribute__((packed)) asp_ack_s;
 113
 114 typedef struct asp_nack {
 115         guint8 opcode;
 116         guint8 seq_num;
 117         guint8 reason;
 118 } __attribute__((packed)) asp_nack_s;
 119
 120 enum {
 121         ASP_OPCODE_REQUEST_SESSION = 0x00,
 122         ASP_OPCODE_ADDED_SESSION = 0x01,
 123         ASP_OPCODE_REJECTED_SESSION = 0x02,
 124
 125         ASP_OPCODE_REMOVE_SESSION = 0x03,
 126         ASP_OPCODE_ALLOWED_PORT = 0x04,
 127         ASP_OPCODE_VERSION = 0x05,
 128         ASP_OPCODE_DEFERRED_SESSION = 0x06,
 129         ASP_OPCODE_ACK = 0xFE,
 130         ASP_OPCODE_NACK = 0xFF
 131 };
 132
 133 enum {
 134         ASP_REMOVE_SESS_REASON_UNKOWN_REASON = 0x00,
 135         ASP_REMOVE_SESS_REASON_REJECTED_BY_USER = 0x01,
 136         ASP_REMOVE_SESS_REASON_ADVERTISED_SERVICE_NOT_AVAILABLE = 0x02,
 137         ASP_REMOVE_SESS_REASON_SYSTEM_FAILURE = 0x03
 138 };
 139
 140 enum {
 141         ASP_NACK_REASON_INVALID_SESSION_MAC = 0x00,
 142         ASP_NACK_REASON_INVALID_SESSION_ID = 0x01,
 143         ASP_NACK_REASON_INVALID_OPCODE = 0x02,
 144         ASP_NACK_REASON_INVALID_SEQUENCE_NUM = 0x03,
 145         ASP_NACK_REASON_NO_SESSION_EXIST = 0x04,
 146         ASP_NACK_REASON_UNKNOWN_REASON = 0x05
 147 };
 148
 149 gboolean asp_coordination_protocol_init();
 150 gboolean asp_coordination_protocol_destroy();
 151 gboolean asp_coordination_protocol_send_msg(GSocketAddress *input_sock_addr,
 152                 void *input_data);
 153
 154 #endif                                                  /* __ASP_COORDINATION_PROTOCOL_H__ */