rust-adb 0.1.0

for adb connection
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144

use std::io::Read;

use std::net::TcpStream;
use std::time::Duration;

use crate::adb_device::device_shell_async::DeviceAsyncShellCommand;

use crate::adb_device::{AsyncDeviceCommand, AsyncDeviceProtocol, DeviceConnectionInfo};
use crate::client::LogEntry;
use crate::error::adb::AdbError;

pub struct DeviceLogcatCommand {
    pub params: String,
    pub connection_info: DeviceConnectionInfo,
}

impl AsyncDeviceCommand for DeviceLogcatCommand {
    fn execute(&mut self) -> Result<AsyncDeviceProtocol, AdbError> {
        let command = format!("shell:echo && logcat {} 2>/dev/null", self.params);
        DeviceAsyncShellCommand::new(&self.connection_info, &command).execute()
    }
}

impl DeviceLogcatCommand {
    pub fn new(
        host: &String, port: &i32, serial_no: &String, params: &String,
    ) -> DeviceLogcatCommand {
        DeviceLogcatCommand {
            params: params.clone(),
            connection_info: DeviceConnectionInfo {
                host: host.clone(),
                port: port.clone(),
                serial_no: serial_no.clone(),
                read_timeout: None,
                write_timeout: Option::from(Duration::from_millis(1000)),
            },
        }
    }
}

pub fn read_next_entry(tcp_stream: &mut TcpStream) -> Result<LogEntry, AdbError> {
    skip_un_use_bytes(tcp_stream)?;
    let length = read_next_uint16le(tcp_stream)?;
    let mut header_size = read_next_uint16le(tcp_stream)?;
    if header_size < 20 || header_size > 100 {
        header_size = 20;
    };
    let pid = read_next_int32le(tcp_stream)?;
    let tid = read_next_int32le(tcp_stream)?;
    let sec = read_next_int32le(tcp_stream)?;
    let nsec = read_next_int32le(tcp_stream)?;
    let mut header = vec![0; header_size as usize];
    match tcp_stream.read_exact(&mut header) {
        Ok(_) => {}
        Err(error) => {
            return Err(AdbError::TcpReadError {
                source: Box::new(error),
            });
        }
    };
    let mut body = vec![0; length as usize];
    match tcp_stream.read_exact(&mut body) {
        Ok(_) => {}
        Err(error) => {
            return Err(AdbError::TcpReadError {
                source: Box::new(error),
            });
        }
    };
    if body.len() < 2 {
        return Err(AdbError::ResponseStatusError {
            content: "read logcat content failed".to_string(),
        });
    }
    Ok(LogEntry {
        pid,
        tid,
        sec,
        nsec,
        header,
        tag: body[1] as u32,
        log: body[2..].to_owned(),
        priority: body[0] as u32,
    })
}

fn skip_un_use_bytes(tcp_stream: &mut TcpStream) -> Result<(), AdbError> {
    let mut buf = vec![0; 1];
    while buf[0] != 0x0a {
        match tcp_stream.read_exact(&mut buf) {
            Ok(_) => {}
            Err(error) => {
                return Err(AdbError::TcpReadError {
                    source: Box::new(error),
                });
            }
        };
    }
    Ok(())
}

fn read_next_int32le(tcp_stream: &mut TcpStream) -> Result<u32, AdbError> {
    let mut buf = vec![0; 4];
    match tcp_stream.read_exact(&mut buf) {
        Ok(_) => {}
        Err(error) => {
            return Err(AdbError::TcpReadError {
                source: Box::new(error),
            });
        }
    };
    let bit1 = format!("{:02x}", buf[0]);
    let bit2 = format!("{:02x}", buf[1]);
    let bit3 = format!("{:02x}", buf[2]);
    let bit4 = format!("{:02x}", buf[3]);
    let combined = bit4 + &bit3 + &bit2 + &bit1;
    match u32::from_str_radix(&combined, 16) {
        Ok(size) => Ok(size),
        Err(error) => Err(AdbError::ParseResponseError {
            source: Box::new(error),
        }),
    }
}

fn read_next_uint16le(tcp_stream: &mut TcpStream) -> Result<u16, AdbError> {
    let mut buf = vec![0; 2];
    match tcp_stream.read_exact(&mut buf) {
        Ok(_) => {}
        Err(error) => {
            return Err(AdbError::TcpReadError {
                source: Box::new(error),
            });
        }
    };
    let high = format!("{:02x}", buf[0]);
    let low = format!("{:02x}", buf[1]);
    let combined = low + &high;
    match u16::from_str_radix(&combined, 16) {
        Ok(size) => Ok(size),
        Err(error) => Err(AdbError::ParseResponseError {
            source: Box::new(error),
        }),
    }
}