Enum ServoEvent 

pub enum ServoEvent {
    Console {
        target_id: String,
        level: ConsoleLevel,
        text: String,
        url: Option<String>,
        line: Option<u32>,
        column: Option<u32>,
    },
    PageError {
        target_id: String,
        text: String,
        url: Option<String>,
        line: Option<u32>,
        column: Option<u32>,
        stack: Option<String>,
    },
    NetworkRequest {
        target_id: String,
        request_id: String,
        url: String,
        method: String,
        headers: HashMap<String, String>,
        post_data: Option<Vec<u8>>,
        resource_type: String,
        frame_id: String,
    },
    NetworkResponse {
        target_id: String,
        request_id: String,
        url: String,
        status: u16,
        status_text: String,
        headers: HashMap<String, String>,
        mime_type: String,
        remote_ip: Option<String>,
    },
    NetworkLoadingFinish {
        target_id: String,
        request_id: String,
        encoded_data_length: u64,
    },
    NetworkLoadingFail {
        target_id: String,
        request_id: String,
        error_text: String,
        canceled: bool,
    },
    DomAttributeModified {
        target_id: String,
        node_id: i64,
        name: String,
        value: String,
    },
    DomCharacterDataModified {
        target_id: String,
        node_id: i64,
        old_value: String,
        new_value: String,
    },
    ScriptParsed {
        target_id: String,
        script_id: String,
        url: String,
        start_line: u32,
        start_column: u32,
        end_line: u32,
        end_column: u32,
        source_map_url: Option<String>,
    },
    FrameNavigated {
        target_id: String,
        frame_id: String,
        url: String,
        name: Option<String>,
    },
    FrameStartedLoading {
        target_id: String,
        frame_id: String,
    },
    FrameStoppedLoading {
        target_id: String,
        frame_id: String,
    },
    TimelineMarker {
        target_id: String,
        name: String,
        start_time: f64,
        end_time: f64,
    },
}

servo 推送给 CDP client 的所有事件类型(REQ-BAO-API-003 的 7 类)。

由 EventSubscriber 在 servo delegate 回调中构造,push 到 mpsc channel, 由 InMemoryTransport::recv_event 调用 translate 转换为 CdpEvent。

字段命名规范

所有字段名与 CDP 协议规范(https://chromedevtools.github.io/devtools-protocol/) 中的对应字段 camelCase 对齐,便于 translate 函数直接序列化。

@trace REQ-BAO-API-003 [level:library]

Variants

Console

servo console.{log,info,warn,error,debug,trace} 消息。

→ Log.entryAdded

@trace REQ-BAO-API-003 [event:Console]

Fields

target_id: String

level: ConsoleLevel

text: String

url: Option<String>

line: Option<u32>

column: Option<u32>

PageError

servo 页面错误(包括 JS 异常、CSS 解析错误、控制台 error)。

→ Runtime.exceptionThrown

@trace REQ-BAO-API-003 [event:PageError]

Fields

target_id: String

text: String

url: Option<String>

line: Option<u32>

column: Option<u32>

stack: Option<String>

NetworkRequest

网络请求开始。

→ Network.requestWillBeSent

@trace REQ-BAO-API-003 [event:NetworkEvent]

Fields

target_id: String

request_id: String

url: String

method: String

headers: HashMap<String, String>

post_data: Option<Vec<u8>>

resource_type: String

frame_id: String

NetworkResponse

网络响应到达。

→ Network.responseReceived

@trace REQ-BAO-API-003 [event:NetworkEvent]

Fields

target_id: String

request_id: String

url: String

status: u16

status_text: String

headers: HashMap<String, String>

mime_type: String

remote_ip: Option<String>

NetworkLoadingFinish

网络请求完成(成功)。

→ Network.loadingFinished

@trace REQ-BAO-API-003 [event:NetworkEvent]

Fields

target_id: String

request_id: String

encoded_data_length: u64

NetworkLoadingFail

网络请求失败。

→ Network.loadingFailed

@trace REQ-BAO-API-003 [event:NetworkEvent]

Fields

target_id: String

request_id: String

error_text: String

canceled: bool

DomAttributeModified

DOM 属性变更。

→ DOM.attributeModified

@trace REQ-BAO-API-003 [event:DomMutation]

Fields

target_id: String

node_id: i64

name: String

value: String

DomCharacterDataModified

DOM character data 变更。

→ DOM.characterDataModified

@trace REQ-BAO-API-003 [event:DomMutation]

Fields

target_id: String

node_id: i64

old_value: String

new_value: String

ScriptParsed

脚本编译完成(servo ScriptThread 解析出新 script element 或 inline script)。

→ Debugger.scriptParsed

@trace REQ-BAO-API-003 [event:SourceInfo]

Fields

target_id: String

script_id: String

url: String

start_line: u32

start_column: u32

end_line: u32

end_column: u32

source_map_url: Option<String>

FrameNavigated

frame 导航完成。

→ Page.frameNavigated

@trace REQ-BAO-API-003 [event:FrameInfo]

Fields

target_id: String

frame_id: String

url: String

name: Option<String>

FrameStartedLoading

frame 开始加载。

→ Page.frameStartedLoading

@trace REQ-BAO-API-003 [event:FrameInfo]

Fields

target_id: String

frame_id: String

FrameStoppedLoading

frame 停止加载。

→ Page.frameStoppedLoading

@trace REQ-BAO-API-003 [event:FrameInfo]

Fields

target_id: String

frame_id: String

TimelineMarker

servo 性能 timeline 标记。

→ Performance.metrics

@trace REQ-BAO-API-003 [event:TimelineMarker]

Fields

target_id: String

name: String

start_time: f64

end_time: f64

Implementations

impl ServoEvent

pub fn target_id(&self) -> &str

返回事件归属的 target_id(用于 CDP event 的 session_id)。

@trace REQ-BAO-API-003 [level:library]

Trait Implementations

impl Clone for ServoEvent

fn clone(&self) -> ServoEvent

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ServoEvent

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.