Dominik Werder
670 lines
16 KiB
Rust
670 lines
16 KiB
Rust
use chrono::{DateTime, TimeZone, Utc};
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use err::Error;
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use futures_core::Stream;
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use futures_util::StreamExt;
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use serde::{Deserialize, Serialize};
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use std::path::PathBuf;
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use std::pin::Pin;
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use std::task::{Context, Poll};
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use timeunits::*;
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#[allow(unused_imports)]
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use tracing::{debug, error, info, trace, warn};
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pub mod status;
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pub mod streamext;
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct AggQuerySingleChannel {
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pub channel_config: ChannelConfig,
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pub timebin: u32,
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pub tb_file_count: u32,
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pub buffer_size: u32,
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}
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pub struct BodyStream {
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//pub receiver: async_channel::Receiver<Result<bytes::Bytes, Error>>,
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pub inner: Box<dyn futures_core::Stream<Item = Result<bytes::Bytes, Error>> + Send + Unpin>,
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub enum ScalarType {
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U8,
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U16,
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U32,
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U64,
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I8,
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I16,
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I32,
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I64,
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F32,
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F64,
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}
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impl ScalarType {
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pub fn from_dtype_index(ix: u8) -> Result<Self, Error> {
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use ScalarType::*;
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let g = match ix {
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0 => return Err(Error::with_msg(format!("BOOL not supported"))),
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1 => return Err(Error::with_msg(format!("BOOL8 not supported"))),
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3 => U8,
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5 => U16,
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8 => U32,
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10 => U64,
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2 => I8,
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4 => I16,
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7 => I32,
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9 => I64,
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11 => F32,
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12 => F64,
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6 => return Err(Error::with_msg(format!("CHARACTER not supported"))),
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13 => return Err(Error::with_msg(format!("STRING not supported"))),
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_ => return Err(Error::with_msg(format!("unknown dtype code: {}", ix))),
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};
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Ok(g)
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}
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pub fn bytes(&self) -> u8 {
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use ScalarType::*;
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match self {
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U8 => 1,
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U16 => 2,
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U32 => 4,
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U64 => 8,
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I8 => 1,
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I16 => 2,
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I32 => 4,
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I64 => 8,
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F32 => 4,
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F64 => 8,
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}
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}
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pub fn index(&self) -> u8 {
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use ScalarType::*;
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match self {
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U8 => 3,
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U16 => 5,
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U32 => 8,
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U64 => 10,
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I8 => 2,
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I16 => 4,
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I32 => 7,
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I64 => 9,
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F32 => 11,
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F64 => 12,
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}
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}
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct Node {
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pub host: String,
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pub listen: String,
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pub port: u16,
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pub port_raw: u16,
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pub split: u32,
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pub data_base_path: PathBuf,
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pub ksprefix: String,
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pub backend: String,
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct Database {
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pub name: String,
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pub host: String,
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pub user: String,
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pub pass: String,
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct Cluster {
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pub nodes: Vec<Node>,
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pub database: Database,
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct NodeConfig {
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pub name: String,
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pub cluster: Cluster,
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}
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impl NodeConfig {
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pub fn get_node(&self) -> Option<(&Node, usize)> {
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if self.name.contains(":") {
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let mut i1 = 0;
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for n in &self.cluster.nodes {
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if self.name == format!("{}:{}", n.host, n.port) {
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return Some((n, i1));
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}
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i1 += 1;
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}
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} else {
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let mut i1 = 0;
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for n in &self.cluster.nodes {
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if self.name == format!("{}", n.host) {
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return Some((n, i1));
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}
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i1 += 1;
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}
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}
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None
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}
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}
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#[derive(Clone, Debug)]
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pub struct NodeConfigCached {
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pub node_config: NodeConfig,
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pub node: Node,
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pub ix: usize,
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}
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impl From<NodeConfig> for Result<NodeConfigCached, Error> {
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fn from(k: NodeConfig) -> Self {
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match k.get_node() {
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Some((node, ix)) => {
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let ret = NodeConfigCached {
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node: node.clone(),
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node_config: k,
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ix,
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};
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Ok(ret)
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}
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None => Err(Error::with_msg(format!("can not find node {:?}", k))),
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}
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}
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct Channel {
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pub backend: String,
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pub name: String,
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}
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impl Channel {
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pub fn name(&self) -> &str {
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&self.name
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}
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub enum TimeRange {
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Time { beg: DateTime<Utc>, end: DateTime<Utc> },
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Pulse { beg: u64, end: u64 },
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Nano { beg: u64, end: u64 },
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}
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#[derive(Clone, Copy, Debug, Serialize, Deserialize)]
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pub struct Nanos {
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pub ns: u64,
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}
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#[derive(Clone, Serialize, Deserialize)]
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pub struct NanoRange {
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pub beg: u64,
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pub end: u64,
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}
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impl std::fmt::Debug for NanoRange {
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fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
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write!(
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fmt,
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"NanoRange {{ beg: {} s, end: {} s }}",
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self.beg / SEC,
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self.end / SEC
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)
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}
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}
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impl NanoRange {
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pub fn delta(&self) -> u64 {
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self.end - self.beg
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}
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct ChannelConfig {
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pub channel: Channel,
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pub keyspace: u8,
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pub time_bin_size: Nanos,
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pub scalar_type: ScalarType,
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pub compression: bool,
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pub shape: Shape,
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pub array: bool,
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pub big_endian: bool,
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub enum Shape {
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Scalar,
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Wave(u32),
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}
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pub mod timeunits {
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pub const MU: u64 = 1000;
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pub const MS: u64 = MU * 1000;
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pub const SEC: u64 = MS * 1000;
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pub const MIN: u64 = SEC * 60;
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pub const HOUR: u64 = MIN * 60;
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pub const DAY: u64 = HOUR * 24;
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pub const WEEK: u64 = DAY * 7;
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}
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const BIN_T_LEN_OPTIONS: [u64; 6] = [SEC * 10, MIN * 10, HOUR, HOUR * 4, DAY, DAY * 4];
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const PATCH_T_LEN_OPTIONS: [u64; 6] = [MIN * 10, HOUR, HOUR * 4, DAY, DAY * 4, DAY * 12];
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const BIN_THRESHOLDS: [u64; 33] = [
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2,
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10,
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100,
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1000,
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10_000,
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100_000,
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MU,
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MU * 10,
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MU * 100,
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MS,
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MS * 10,
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MS * 100,
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SEC,
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SEC * 5,
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SEC * 10,
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SEC * 20,
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MIN,
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MIN * 5,
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MIN * 10,
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MIN * 20,
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HOUR,
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HOUR * 2,
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HOUR * 4,
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HOUR * 12,
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DAY,
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DAY * 2,
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DAY * 4,
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DAY * 8,
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DAY * 16,
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WEEK,
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WEEK * 2,
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WEEK * 10,
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WEEK * 60,
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];
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#[derive(Clone, Serialize, Deserialize)]
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pub struct PreBinnedPatchGridSpec {
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bin_t_len: u64,
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}
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impl PreBinnedPatchGridSpec {
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pub fn new(bin_t_len: u64) -> Self {
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if !Self::is_valid_bin_t_len(bin_t_len) {
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panic!("PreBinnedPatchGridSpec invalid bin_t_len {}", bin_t_len);
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}
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Self { bin_t_len }
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}
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pub fn bin_t_len(&self) -> u64 {
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self.bin_t_len
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}
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pub fn is_valid_bin_t_len(bin_t_len: u64) -> bool {
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for &j in BIN_T_LEN_OPTIONS.iter() {
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if bin_t_len == j {
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return true;
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}
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}
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return false;
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}
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pub fn patch_t_len(&self) -> u64 {
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for (i1, &j) in BIN_T_LEN_OPTIONS.iter().enumerate() {
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if self.bin_t_len == j {
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return PATCH_T_LEN_OPTIONS[i1];
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}
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}
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panic!()
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}
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}
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impl std::fmt::Debug for PreBinnedPatchGridSpec {
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fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
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write!(
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fmt,
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"PreBinnedPatchGridSpec {{ bin_t_len: {:?}, patch_t_len(): {:?} }}",
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self.bin_t_len / SEC,
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self.patch_t_len() / SEC,
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)
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}
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}
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#[derive(Clone, Debug)]
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pub struct PreBinnedPatchRange {
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pub grid_spec: PreBinnedPatchGridSpec,
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pub offset: u64,
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pub count: u64,
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}
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impl PreBinnedPatchRange {
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/// Cover at least the given range with at least as many as the requested number of bins.
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pub fn covering_range(range: NanoRange, min_bin_count: u64) -> Option<Self> {
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assert!(min_bin_count >= 1);
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assert!(min_bin_count <= 2000);
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let dt = range.delta();
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assert!(dt <= DAY * 14);
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let bs = dt / min_bin_count;
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//info!("BASIC bs {}", bs);
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let mut i1 = BIN_T_LEN_OPTIONS.len();
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loop {
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if i1 <= 0 {
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break None;
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} else {
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i1 -= 1;
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let t = BIN_T_LEN_OPTIONS[i1];
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//info!("look at threshold {} bs {}", t, bs);
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if t <= bs {
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let bin_t_len = t;
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let grid_spec = PreBinnedPatchGridSpec { bin_t_len };
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let pl = grid_spec.patch_t_len();
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let ts1 = range.beg / pl * pl;
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let ts2 = (range.end + pl - 1) / pl * pl;
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let count = (ts2 - ts1) / pl;
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let offset = ts1 / pl;
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break Some(Self {
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grid_spec,
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count,
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offset,
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});
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}
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}
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}
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}
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct PreBinnedPatchCoord {
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spec: PreBinnedPatchGridSpec,
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ix: u64,
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}
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impl PreBinnedPatchCoord {
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pub fn bin_t_len(&self) -> u64 {
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self.spec.bin_t_len
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}
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pub fn patch_t_len(&self) -> u64 {
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self.spec.patch_t_len()
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}
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pub fn patch_beg(&self) -> u64 {
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self.spec.patch_t_len() * self.ix
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}
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pub fn patch_end(&self) -> u64 {
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self.spec.patch_t_len() * (self.ix + 1)
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}
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pub fn patch_range(&self) -> NanoRange {
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NanoRange {
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beg: self.patch_beg(),
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end: self.patch_end(),
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}
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}
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pub fn bin_count(&self) -> u64 {
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self.spec.patch_t_len() / self.spec.bin_t_len
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}
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pub fn spec(&self) -> &PreBinnedPatchGridSpec {
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&self.spec
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}
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pub fn ix(&self) -> u64 {
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self.ix
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}
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pub fn to_url_params_strings(&self) -> String {
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format!(
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"patch_t_len={}&bin_t_len={}&patch_ix={}",
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self.spec.patch_t_len(),
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self.spec.bin_t_len(),
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self.ix()
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)
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}
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pub fn new(bin_t_len: u64, patch_ix: u64) -> Self {
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Self {
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spec: PreBinnedPatchGridSpec::new(bin_t_len),
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ix: patch_ix,
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}
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}
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}
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pub struct PreBinnedPatchIterator {
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range: PreBinnedPatchRange,
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#[allow(dead_code)]
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agg_kind: AggKind,
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ix: u64,
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}
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impl PreBinnedPatchIterator {
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pub fn from_range(range: PreBinnedPatchRange) -> Self {
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Self {
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range,
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agg_kind: AggKind::DimXBins1,
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ix: 0,
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}
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}
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}
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impl Iterator for PreBinnedPatchIterator {
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type Item = PreBinnedPatchCoord;
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fn next(&mut self) -> Option<Self::Item> {
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if self.ix >= self.range.count {
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None
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} else {
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let ret = Self::Item {
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spec: self.range.grid_spec.clone(),
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ix: self.range.offset + self.ix,
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};
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self.ix += 1;
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Some(ret)
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}
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}
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}
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#[derive(Clone)]
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pub struct BinnedGridSpec {
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bin_t_len: u64,
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}
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impl BinnedGridSpec {
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pub fn new(bin_t_len: u64) -> Self {
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if !Self::is_valid_bin_t_len(bin_t_len) {
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panic!("BinnedGridSpec::new invalid bin_t_len {}", bin_t_len);
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}
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Self { bin_t_len }
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}
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pub fn bin_t_len(&self) -> u64 {
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self.bin_t_len
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}
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pub fn is_valid_bin_t_len(bin_t_len: u64) -> bool {
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for &j in BIN_T_LEN_OPTIONS.iter() {
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if bin_t_len == j {
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return true;
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}
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}
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return false;
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}
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}
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impl std::fmt::Debug for BinnedGridSpec {
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fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
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if self.bin_t_len < SEC * 90 {
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write!(fmt, "BinnedGridSpec {{ bin_t_len: {:?} ms }}", self.bin_t_len / MS,)
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} else {
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write!(fmt, "BinnedGridSpec {{ bin_t_len: {:?} s }}", self.bin_t_len / SEC,)
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}
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}
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}
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#[derive(Clone, Debug)]
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pub struct BinnedRange {
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pub grid_spec: BinnedGridSpec,
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pub offset: u64,
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pub count: u64,
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}
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|
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impl BinnedRange {
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pub fn covering_range(range: NanoRange, min_bin_count: u64) -> Option<Self> {
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assert!(min_bin_count >= 1);
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assert!(min_bin_count <= 2000);
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let dt = range.delta();
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assert!(dt <= DAY * 14);
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let bs = dt / min_bin_count;
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let mut i1 = BIN_THRESHOLDS.len();
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loop {
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if i1 <= 0 {
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break None;
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} else {
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i1 -= 1;
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let t = BIN_THRESHOLDS[i1];
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if t <= bs || i1 == 0 {
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let grid_spec = BinnedGridSpec { bin_t_len: t };
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let pl = grid_spec.bin_t_len();
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let ts1 = range.beg / pl * pl;
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let ts2 = (range.end + pl - 1) / pl * pl;
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let count = (ts2 - ts1) / pl;
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let offset = ts1 / pl;
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break Some(Self {
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grid_spec,
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count,
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offset,
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});
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}
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}
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}
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}
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pub fn get_range(&self, ix: u32) -> NanoRange {
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NanoRange {
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beg: (self.offset + ix as u64) * self.grid_spec.bin_t_len,
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end: (self.offset + ix as u64 + 1) * self.grid_spec.bin_t_len,
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}
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}
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pub fn full_range(&self) -> NanoRange {
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NanoRange {
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beg: (self.offset + 0) * self.grid_spec.bin_t_len,
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end: (self.offset + self.count) * self.grid_spec.bin_t_len,
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}
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}
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub enum AggKind {
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DimXBins1,
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}
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|
|
pub fn query_params(q: Option<&str>) -> std::collections::BTreeMap<String, String> {
|
|
let mut map = std::collections::BTreeMap::new();
|
|
match q {
|
|
Some(k) => {
|
|
for par in k.split("&") {
|
|
let mut u = par.split("=");
|
|
if let Some(t1) = u.next() {
|
|
if let Some(t2) = u.next() {
|
|
map.insert(t1.into(), t2.into());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
None => {}
|
|
}
|
|
map
|
|
}
|
|
|
|
pub trait ToNanos {
|
|
fn to_nanos(&self) -> u64;
|
|
}
|
|
|
|
impl<Tz: TimeZone> ToNanos for DateTime<Tz> {
|
|
fn to_nanos(&self) -> u64 {
|
|
self.timestamp() as u64 * timeunits::SEC + self.timestamp_subsec_nanos() as u64
|
|
}
|
|
}
|
|
|
|
pub trait RetStreamExt: Stream {
|
|
fn only_first_error(self) -> OnlyFirstError<Self>
|
|
where
|
|
Self: Sized;
|
|
}
|
|
|
|
pub struct OnlyFirstError<T> {
|
|
inp: T,
|
|
errored: bool,
|
|
completed: bool,
|
|
}
|
|
|
|
impl<T, I, E> Stream for OnlyFirstError<T>
|
|
where
|
|
T: Stream<Item = Result<I, E>> + Unpin,
|
|
{
|
|
type Item = <T as Stream>::Item;
|
|
|
|
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Option<Self::Item>> {
|
|
use Poll::*;
|
|
if self.completed {
|
|
panic!("poll_next on completed");
|
|
}
|
|
if self.errored {
|
|
self.completed = true;
|
|
return Ready(None);
|
|
}
|
|
match self.inp.poll_next_unpin(cx) {
|
|
Ready(Some(Ok(k))) => Ready(Some(Ok(k))),
|
|
Ready(Some(Err(e))) => {
|
|
self.errored = true;
|
|
Ready(Some(Err(e)))
|
|
}
|
|
Ready(None) => {
|
|
self.completed = true;
|
|
Ready(None)
|
|
}
|
|
Pending => Pending,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<T> RetStreamExt for T
|
|
where
|
|
T: Stream,
|
|
{
|
|
fn only_first_error(self) -> OnlyFirstError<Self> {
|
|
OnlyFirstError {
|
|
inp: self,
|
|
errored: false,
|
|
completed: false,
|
|
}
|
|
}
|
|
}
|
|
|
|
pub mod log {
|
|
#[allow(unused_imports)]
|
|
pub use tracing::{debug, error, event, info, span, trace, warn, Level};
|
|
}
|
|
|
|
#[derive(Debug, Serialize, Deserialize)]
|
|
pub struct EventDataReadStats {
|
|
pub parsed_bytes: u64,
|
|
}
|
|
|
|
impl EventDataReadStats {
|
|
pub fn new() -> Self {
|
|
Self { parsed_bytes: 0 }
|
|
}
|
|
pub fn trans(&mut self, k: &mut Self) {
|
|
self.parsed_bytes += k.parsed_bytes;
|
|
k.parsed_bytes = 0;
|
|
}
|
|
}
|