304 lines
7.3 KiB
Go
304 lines
7.3 KiB
Go
package adb
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import (
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"bufio"
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"fmt"
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"io"
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"log"
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"net"
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"strings"
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"time"
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)
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// DeviceInfo 包含从 adb server 列表和设备端 getprop 收集到的信息
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type DeviceInfo struct {
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Serial string
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State string
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Product string
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Model string
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Device string
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TransportID string
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Props map[string]string
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}
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// listDevicesRaw: 请求 host:devices 并返回原始 payload
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func listDevicesRaw(addr string, timeout time.Duration) (string, error) {
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conn, err := DialADB(addr, timeout)
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if err != nil {
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return "", err
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}
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defer conn.Close()
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if err := WriteAdbCmd(conn, "host:devices-l"); err != nil {
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return "", err
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}
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status, err := ReadStatus(conn)
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if err != nil {
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return "", err
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}
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if status == "FAIL" {
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msg, _ := ReadLenFrame(conn)
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return "", fmt.Errorf("adb FAIL: %s", string(msg))
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}
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if status != "OKAY" {
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return "", fmt.Errorf("unexpected status: %s", status)
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}
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var parts []string
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for {
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data, err := ReadLenFrame(conn)
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if err != nil {
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// treat short read timeout as finish
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if ne, ok := err.(net.Error); ok && ne.Timeout() {
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break
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}
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if err == io.EOF {
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break
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}
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return "", err
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}
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if len(data) == 0 {
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break
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}
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parts = append(parts, string(data))
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}
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log.Println(parts)
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return strings.Join(parts, ""), nil
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}
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// parseDevicesPayload: 解析 host:devices 返回的 payload，提取可能的 product/model/device/transport_id
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func parseDevicesPayload(payload string) []DeviceInfo {
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out := []DeviceInfo{}
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lines := strings.Split(payload, "\n")
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for _, ln := range lines {
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ln = strings.TrimSpace(ln)
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if ln == "" || strings.HasPrefix(ln, "List of devices attached") {
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continue
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}
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// adb -l 格式通常：serial <state> key:val key:val ...
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fields := strings.Fields(ln)
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if len(fields) < 2 {
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continue
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}
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dev := DeviceInfo{
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Serial: fields[0],
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State: fields[1],
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Props: map[string]string{},
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}
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// parse remaining key:val pairs
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for _, kv := range fields[2:] {
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if strings.Contains(kv, ":") {
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parts := strings.SplitN(kv, ":", 2)
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k := parts[0]
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v := parts[1]
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switch k {
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case "product":
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dev.Product = v
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case "model":
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dev.Model = v
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case "device":
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dev.Device = v
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case "transport_id":
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dev.TransportID = v
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default:
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// store any extra short fields into Props under prefixed key
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dev.Props["short."+k] = v
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}
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}
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}
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out = append(out, dev)
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}
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return out
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}
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// getPropExecOut: 通过 exec-out:getprop 一次性获取设备所有 getprop 输出（返回原始字节）
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func getPropExecOut(addr, serial string, timeout time.Duration) ([]byte, error) {
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// open a connection and switch transport for this connection
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conn, err := DialADB(addr, timeout)
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if err != nil {
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return nil, err
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}
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// ensure close
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defer conn.Close()
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// transport
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if err := WriteAdbCmd(conn, "host:transport:"+serial); err != nil {
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return nil, err
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}
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status, err := ReadStatus(conn)
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if err != nil {
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return nil, err
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}
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if status == "FAIL" {
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msg, _ := ReadLenFrame(conn)
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return nil, fmt.Errorf("transport FAIL: %s", string(msg))
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}
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if status != "OKAY" {
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return nil, fmt.Errorf("unexpected transport status: %s", status)
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}
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// send exec-out:getprop
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if err := WriteAdbCmd(conn, "exec-out:getprop"); err != nil {
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return nil, err
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}
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status, err = ReadStatus(conn)
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if err != nil {
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return nil, err
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}
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if status == "FAIL" {
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msg, _ := ReadLenFrame(conn)
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return nil, fmt.Errorf("exec-out FAIL: %s", string(msg))
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}
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if status != "OKAY" {
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return nil, fmt.Errorf("unexpected exec-out status: %s", status)
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}
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// read frames until timeout/EOF and concatenate
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var b []byte
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for {
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data, err := ReadLenFrame(conn)
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if err != nil {
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if ne, ok := err.(net.Error); ok && ne.Timeout() {
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break
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}
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if err == io.EOF {
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break
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}
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return nil, err
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}
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if len(data) == 0 {
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break
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}
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b = append(b, data...)
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}
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return b, nil
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}
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// parseGetprop parses getprop output "key]: [value" lines into map
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func parseGetprop(raw []byte) map[string]string {
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m := map[string]string{}
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sc := bufio.NewScanner(strings.NewReader(string(raw)))
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for sc.Scan() {
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line := strings.TrimSpace(sc.Text())
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// getprop lines are like: [ro.build.version.release]: [10]
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if line == "" {
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continue
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}
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// find first ']:' separator
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// safe parse: extract between first '[' and first ']: [' pattern
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// simpler: split by "]: [" into two parts after trimming surrounding brackets
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parts := strings.SplitN(line, "]: [", 2)
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if len(parts) == 2 {
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k := strings.TrimPrefix(parts[0], "[")
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v := strings.TrimSuffix(parts[1], "]")
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m[k] = v
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} else {
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// fallback: try split by ": "
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kv := strings.SplitN(line, ": ", 2)
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if len(kv) == 2 {
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m[strings.Trim(kv[0], "[]")] = strings.Trim(kv[1], "[]")
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}
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}
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}
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return m
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}
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// CollectAllDevices gathers DeviceInfo for all devices listed by adb server
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func CollectAllDevices(addr string, timeout time.Duration) ([]DeviceInfo, error) {
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raw, err := listDevicesRaw(addr, timeout)
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if err != nil {
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return nil, err
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}
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devs := parseDevicesPayload(raw)
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if len(devs) == 0 {
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return devs, nil
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}
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// For each device, fetch getprop via exec-out (sequential; can be parallelized)
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for i := range devs {
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serial := devs[i].Serial
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rawProps, err := getPropExecOut(addr, serial, timeout)
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if err != nil {
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// record error in Props under special key
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devs[i].Props["__getprop_error"] = err.Error()
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continue
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}
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props := parseGetprop(rawProps)
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// merge into existing short props (from devices -l)
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for k, v := range props {
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devs[i].Props[k] = v
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}
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}
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return devs, nil
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}
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func parseDevicesMap(payload string) (map[string]string, []string) {
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m := make(map[string]string)
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lines := strings.Split(payload, "\n")
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for _, ln := range lines {
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ln = strings.TrimSpace(ln)
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if ln == "" || strings.HasPrefix(ln, "List of devices attached") {
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continue
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}
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fields := strings.Fields(ln)
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if len(fields) < 2 {
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continue
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}
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serial := fields[0]
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product := ""
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for _, kv := range fields[2:] {
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if strings.HasPrefix(kv, "product:") {
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product = strings.TrimPrefix(kv, "product:")
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break
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}
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}
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m[serial] = product
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}
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return m, lines
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}
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// Find device serial by product value and return serial (first match)
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func FindSerialByProduct(addr, targetProduct string) (string, error) {
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payload, err := listDevicesRaw(addr, 3*time.Second)
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if err != nil {
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return "", err
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}
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m, _ := parseDevicesMap(payload)
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for serial, product := range m {
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if product == targetProduct {
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return serial, nil
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}
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}
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// fallback: if no product fields in devices-l, try per-device getprop
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payloadBasic, _ := listDevicesRaw(addr, 3*time.Second) // reuse; could be host:devices if preferred
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lines := strings.Split(payloadBasic, "\n")
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for _, ln := range lines {
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ln = strings.TrimSpace(ln)
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if ln == "" || strings.HasPrefix(ln, "List of devices attached") {
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continue
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}
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fields := strings.Fields(ln)
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if len(fields) < 1 {
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continue
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}
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serial := fields[0]
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// query getprop ro.product.model for this serial
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conn, err := DialADB(addr, 2*time.Second)
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if err != nil {
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continue
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}
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// ensure close
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defer conn.Close()
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if err := TransportTo(conn, serial); err != nil {
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continue
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}
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out, err := ExecOut(conn, "getprop ro.product.model")
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if err == nil {
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if strings.TrimSpace(string(out)) == targetProduct {
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return serial, nil
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}
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}
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}
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return "", fmt.Errorf("no device with product=%s found", targetProduct)
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}
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