1 /*
2  * Copyright (C) 2015 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 <functional>
20 #include <optional>
21 #include <string>
22 
23 #include "adb.h"
24 #include "adb_unique_fd.h"
25 #include "sysdeps.h"
26 #include "transport.h"
27 
28 // Explicitly check the adb server version.
29 // All of the commands below do this implicitly.
30 // Only the first invocation of this function will check the server version.
31 bool adb_check_server_version(std::string* _Nonnull error);
32 
33 // Connect to adb, connect to the named service, and return a valid fd for
34 // interacting with that service upon success or a negative number on failure.
35 int adb_connect(std::string_view service, std::string* _Nonnull error);
36 
37 // Same as above, except returning the TransportId for the service that we've connected to.
38 // force_switch_device forces the function to attempt to select a device, even if the service
39 // string appears to be a host: service (for use with host services that are device specific, like
40 // forward).
41 int adb_connect(TransportId* _Nullable id, std::string_view service, std::string* _Nonnull error,
42                 bool force_switch_device = false);
43 
44 // Kill the currently running adb server, if it exists.
45 bool adb_kill_server();
46 
47 // Connect to adb, connect to the named service, returns true if the connection
48 // succeeded AND the service returned OKAY. Outputs any returned error otherwise.
49 bool adb_command(const std::string& service);
50 
51 // Connects to the named adb service and fills 'result' with the response.
52 // Returns true on success; returns false and fills 'error' on failure.
53 bool adb_query(const std::string& service, std::string* _Nonnull result,
54                std::string* _Nonnull error);
55 
56 // Set the preferred transport to connect to.
57 void adb_set_transport(TransportType type, const char* _Nullable serial, TransportId transport_id);
58 void adb_get_transport(TransportType* _Nullable type, const char* _Nullable* _Nullable serial,
59                        TransportId* _Nullable transport_id);
60 
61 // Set the socket specification for the adb server.
62 // This function can only be called once, and the argument must live to the end of the process.
63 void adb_set_socket_spec(const char* _Nonnull socket_spec);
64 
65 // Send commands to the current emulator instance. Will fail if there is not
66 // exactly one emulator connected (or if you use -s <serial> with a <serial>
67 // that does not designate an emulator).
68 int adb_send_emulator_command(int argc, const char* _Nonnull* _Nonnull argv,
69                               const char* _Nullable serial);
70 
71 // Reads a standard adb status response (OKAY|FAIL) and returns true in the
72 // event of OKAY, false in the event of FAIL or protocol error.
73 bool adb_status(borrowed_fd fd, std::string* _Nonnull error);
74 
75 // Create a host command corresponding to selected transport type/serial.
76 std::string format_host_command(const char* _Nonnull command);
77 
78 // Get the feature set of the current preferred transport.
79 const std::optional<FeatureSet>& adb_get_feature_set(std::string* _Nullable error);
80 
81 #if defined(__linux__)
82 // Get the path of a file containing the path to the server executable, if the socket spec set via
83 // adb_set_socket_spec is a local one.
84 std::optional<std::string> adb_get_server_executable_path();
85 #endif
86 
87 // Globally acccesible argv/envp, for the purpose of re-execing adb.
88 extern const char* _Nullable * _Nullable __adb_argv;
89 extern const char* _Nullable * _Nullable __adb_envp;
90 
91 // ADB Secure DNS service interface. Used to query what ADB Secure DNS services have been
92 // resolved, and to run some kind of callback for each one.
93 using adb_secure_foreach_service_callback =
94         std::function<void(const char* _Nonnull service_name, const char* _Nonnull reg_type,
95                            const char* _Nonnull ip_address, uint16_t port)>;
96 
97 // Queries pairing/connect services that have been discovered and resolved.
98 // If |host_name| is not null, run |cb| only for services
99 // matching |host_name|. Otherwise, run for all services.
100 void adb_secure_foreach_pairing_service(const char* _Nullable service_name,
101                                         adb_secure_foreach_service_callback cb);
102 void adb_secure_foreach_connect_service(const char* _Nullable service_name,
103                                         adb_secure_foreach_service_callback cb);
104 // Tries to connect to a |service_name| if found. Returns true if found and
105 // connected, false otherwise.
106 bool adb_secure_connect_by_service_name(const char* _Nonnull service_name);
107