rain_server 0.3.0-pre

Distributed computational framework for large-scale task-based pipelines. Server and governor binaries.
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

use chrono::{DateTime, Utc};
use futures::Future;

use rain_core::errors::Error;
use rain_core::logging::{events, Event, EventId};
use rain_core::types::{ClientId, DataObjectId, GovernorId, ObjectSpec, SessionId, TaskId, TaskSpec};

#[derive(Deserialize)]
pub struct SearchItemInt {
    pub value: i64,
    pub mode: String,
}

#[derive(Deserialize)]
pub struct SearchItemString {
    pub value: String,
    pub mode: String,
}

#[derive(Deserialize)]
pub struct SearchCriteria {
    pub id: Option<SearchItemInt>,
    pub event_types: Option<Vec<SearchItemString>>,
    pub session: Option<SearchItemInt>,
}

pub type QueryEvents = Vec<(EventId, DateTime<Utc>, String)>;

pub trait Logger {
    fn add_event(&mut self, event: Event) {
        self.add_event_with_timestamp(event, Utc::now());
    }

    fn add_event_with_timestamp(&mut self, event: Event, time: ::chrono::DateTime<::chrono::Utc>);

    fn flush_events(&mut self);

    fn add_new_governor_event(&mut self, governor: GovernorId) {
        self.add_event(Event::GovernorNew(events::GovernorNewEvent { governor }));
    }

    fn add_governor_removed_event(&mut self, governor: GovernorId, error_msg: String) {
        self.add_event(Event::GovernorRemoved(events::GovernorRemovedEvent {
            governor,
            error_msg,
        }));
    }

    fn add_governor_new_event(&mut self, governor: GovernorId) {
        self.add_event(Event::GovernorNew(events::GovernorNewEvent { governor }));
    }

    fn add_new_client_event(&mut self, client: ClientId) {
        self.add_event(Event::ClientNew(events::ClientNewEvent { client }));
    }

    fn add_removed_client_event(&mut self, client: ClientId, error_msg: String) {
        self.add_event(Event::ClientRemoved(events::ClientRemovedEvent {
            client,
            error_msg,
        }));
    }

    fn add_client_invalid_request_event(&mut self, client: ClientId, error_msg: String) {
        self.add_event(Event::ClientInvalidRequest(
            events::ClientInvalidRequestEvent { client, error_msg },
        ));
    }

    fn add_client_unkeep_event(&mut self, dataobjs: Vec<DataObjectId>) {
        self.add_event(Event::ClientUnkeep(events::ClientUnkeepEvent { dataobjs }));
    }

    fn add_task_started_event(&mut self, task: TaskId, governor: GovernorId) {
        self.add_event(Event::TaskStarted(events::TaskStartedEvent {
            task,
            governor,
        }));
    }

    fn add_task_finished_event(&mut self, task: TaskId) {
        self.add_event(Event::TaskFinished(events::TaskFinishedEvent { task }));
    }

    fn add_task_failed_event(&mut self, task: TaskId, governor: GovernorId, error_msg: String) {
        self.add_event(Event::TaskFailed(events::TaskFailedEvent {
            task,
            governor,
            error_msg,
        }));
    }

    fn add_dataobject_finished_event(
        &mut self,
        dataobject: DataObjectId,
        governor: GovernorId,
        size: usize,
    ) {
        self.add_event(Event::DataObjectFinished(events::DataObjectFinishedEvent {
            dataobject,
            governor,
            size,
        }));
    }

    fn add_dummy_event(&mut self) {
        self.add_event(Event::Dummy(1));
    }

    fn add_client_submit_event(&mut self, tasks: Vec<TaskSpec>, dataobjs: Vec<ObjectSpec>) {
        self.add_event(Event::ClientSubmit(events::ClientSubmitEvent {
            tasks,
            dataobjs,
        }));
    }

    fn add_new_session_event(&mut self, session: SessionId, client: ClientId) {
        self.add_event(Event::SessionNew(events::SessionNewEvent {
            session,
            client,
        }));
    }

    fn add_close_session_event(&mut self, session: SessionId) {
        self.add_event(Event::SessionClose(events::SessionCloseEvent { session }));
    }

    fn get_events(
        &self,
        search_criteria: SearchCriteria,
    ) -> Box<Future<Item = QueryEvents, Error = Error>>;
}