1 /*
2  * Copyright 2021 The Android Open Source Project
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 #pragma once
18 
19 #include <bluetooth/log.h>
20 
21 #include <cstdint>
22 
23 #include "macros.h"
24 
25 /*
26  * Events that can be received by multiplexer as well as port state machines
27  */
28 enum tRFC_EVENT : uint16_t {
29   /*
30    * Events that can be received by multiplexer as well as port state machines
31    */
32   RFC_EVENT_SABME = 0,
33   RFC_EVENT_UA = 1,
34   RFC_EVENT_DM = 2,
35   RFC_EVENT_DISC = 3,
36   RFC_EVENT_UIH = 4,
37   RFC_EVENT_TIMEOUT = 5,
38   RFC_EVENT_BAD_FRAME = 50,
39 };
40 
41 /*
42  * Multiplexer events
43  */
44 enum tRFC_MX_EVENT : uint16_t {
45   /*
46    * Multiplexer events
47    */
48   RFC_MX_EVENT_SABME = RFC_EVENT_SABME,
49   RFC_MX_EVENT_UA = RFC_EVENT_UA,
50   RFC_MX_EVENT_DM = RFC_EVENT_DM,
51   RFC_MX_EVENT_DISC = RFC_EVENT_DISC,
52   RFC_MX_EVENT_UIH = RFC_EVENT_UIH,
53   RFC_MX_EVENT_TIMEOUT = RFC_EVENT_TIMEOUT,
54   RFC_MX_EVENT_START_REQ = 6,
55   RFC_MX_EVENT_START_RSP = 7,
56   RFC_MX_EVENT_CLOSE_REQ = 8,
57   RFC_MX_EVENT_CONN_CNF = 9,
58   RFC_MX_EVENT_CONN_IND = 10,
59   RFC_MX_EVENT_CONF_CNF = 11,
60   RFC_MX_EVENT_CONF_IND = 12,
61   RFC_MX_EVENT_QOS_VIOLATION_IND = 13,
62   RFC_MX_EVENT_DISC_IND = 14,
63 };
64 
65 /*
66  * Port events
67  */
68 enum tRFC_PORT_EVENT : uint16_t {
69   /*
70    * Port events
71    */
72   RFC_PORT_EVENT_SABME = RFC_EVENT_SABME,
73   RFC_PORT_EVENT_UA = RFC_EVENT_UA,
74   RFC_PORT_EVENT_DM = RFC_EVENT_DM,
75   RFC_PORT_EVENT_DISC = RFC_EVENT_DISC,
76   RFC_PORT_EVENT_UIH = RFC_EVENT_UIH,
77   RFC_PORT_EVENT_TIMEOUT = RFC_EVENT_TIMEOUT,
78   RFC_PORT_EVENT_OPEN = 9,
79   RFC_PORT_EVENT_ESTABLISH_RSP = 11,
80   RFC_PORT_EVENT_CLOSE = 12,
81   RFC_PORT_EVENT_CLEAR = 13,
82   RFC_PORT_EVENT_DATA = 14,
83   RFC_PORT_EVENT_SEC_COMPLETE = 15,
84 };
85 
86 // Common events for both port and mux
rfcomm_event_text(const tRFC_EVENT & event)87 inline std::string rfcomm_event_text(const tRFC_EVENT& event) {
88   switch (event) {
89     CASE_RETURN_TEXT(RFC_EVENT_SABME);
90     CASE_RETURN_TEXT(RFC_EVENT_UA);
91     CASE_RETURN_TEXT(RFC_EVENT_DM);
92     CASE_RETURN_TEXT(RFC_EVENT_DISC);
93     CASE_RETURN_TEXT(RFC_EVENT_UIH);
94     CASE_RETURN_TEXT(RFC_EVENT_TIMEOUT);
95     CASE_RETURN_TEXT(RFC_EVENT_BAD_FRAME);
96     default:
97       return std::string("UNKNOWN[") + std::to_string(event) + std::string("]");
98   }
99 }
100 
rfcomm_mx_event_text(const tRFC_MX_EVENT & event)101 inline std::string rfcomm_mx_event_text(const tRFC_MX_EVENT& event) {
102   switch (event) {
103     CASE_RETURN_TEXT(RFC_MX_EVENT_SABME);
104     CASE_RETURN_TEXT(RFC_MX_EVENT_UA);
105     CASE_RETURN_TEXT(RFC_MX_EVENT_DM);
106     CASE_RETURN_TEXT(RFC_MX_EVENT_DISC);
107     CASE_RETURN_TEXT(RFC_MX_EVENT_UIH);
108     CASE_RETURN_TEXT(RFC_MX_EVENT_TIMEOUT);
109     CASE_RETURN_TEXT(RFC_MX_EVENT_START_REQ);
110     CASE_RETURN_TEXT(RFC_MX_EVENT_START_RSP);
111     CASE_RETURN_TEXT(RFC_MX_EVENT_CLOSE_REQ);
112     CASE_RETURN_TEXT(RFC_MX_EVENT_CONN_CNF);
113     CASE_RETURN_TEXT(RFC_MX_EVENT_CONN_IND);
114     CASE_RETURN_TEXT(RFC_MX_EVENT_CONF_CNF);
115     CASE_RETURN_TEXT(RFC_MX_EVENT_CONF_IND);
116     CASE_RETURN_TEXT(RFC_MX_EVENT_QOS_VIOLATION_IND);
117     CASE_RETURN_TEXT(RFC_MX_EVENT_DISC_IND);
118     default:
119       return std::string("UNKNOWN[") + std::to_string(event) + std::string("]");
120   }
121 }
122 
rfcomm_port_event_text(const tRFC_PORT_EVENT & event)123 inline std::string rfcomm_port_event_text(const tRFC_PORT_EVENT& event) {
124   switch (event) {
125     CASE_RETURN_TEXT(RFC_PORT_EVENT_SABME);
126     CASE_RETURN_TEXT(RFC_PORT_EVENT_UA);
127     CASE_RETURN_TEXT(RFC_PORT_EVENT_DM);
128     CASE_RETURN_TEXT(RFC_PORT_EVENT_DISC);
129     CASE_RETURN_TEXT(RFC_PORT_EVENT_UIH);
130     CASE_RETURN_TEXT(RFC_PORT_EVENT_TIMEOUT);
131     CASE_RETURN_TEXT(RFC_PORT_EVENT_OPEN);
132     CASE_RETURN_TEXT(RFC_PORT_EVENT_ESTABLISH_RSP);
133     CASE_RETURN_TEXT(RFC_PORT_EVENT_CLOSE);
134     CASE_RETURN_TEXT(RFC_PORT_EVENT_CLEAR);
135     CASE_RETURN_TEXT(RFC_PORT_EVENT_DATA);
136     CASE_RETURN_TEXT(RFC_PORT_EVENT_SEC_COMPLETE);
137     default:
138       return std::string("UNKNOWN[") + std::to_string(event) + std::string("]");
139   }
140 }
141 
142 namespace fmt {
143 template <>
144 struct formatter<tRFC_EVENT> : enum_formatter<tRFC_EVENT> {};
145 template <>
146 struct formatter<tRFC_MX_EVENT> : enum_formatter<tRFC_MX_EVENT> {};
147 template <>
148 struct formatter<tRFC_PORT_EVENT> : enum_formatter<tRFC_PORT_EVENT> {};
149 }  // namespace fmt
150