feat: use protobuf for RPC
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This commit is contained in:
Aravinth Manivannan 2023-12-26 14:58:55 +05:30
parent 6dc2b9efd0
commit 70ef43b720
Signed by: realaravinth
GPG key ID: F8F50389936984FF
9 changed files with 929 additions and 88 deletions

471
Cargo.lock generated
View file

@ -10,7 +10,7 @@ checksum = "f728064aca1c318585bf4bb04ffcfac9e75e508ab4e8b1bd9ba5dfe04e2cbed5"
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@ -1990,7 +2232,7 @@ version = "2.9.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1fc758eb7bffce5b308734e9b0c1468893cae9ff70ebf13e7090be8dcbcc83a8" checksum = "1fc758eb7bffce5b308734e9b0c1468893cae9ff70ebf13e7090be8dcbcc83a8"
dependencies = [ dependencies = [
"bitflags", "bitflags 1.3.2",
"core-foundation", "core-foundation",
"core-foundation-sys", "core-foundation-sys",
"libc", "libc",
@ -2179,6 +2421,12 @@ dependencies = [
"unicode-ident", "unicode-ident",
] ]
[[package]]
name = "sync_wrapper"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
[[package]] [[package]]
name = "tempfile" name = "tempfile"
version = "3.5.0" version = "3.5.0"
@ -2188,7 +2436,7 @@ dependencies = [
"cfg-if", "cfg-if",
"fastrand", "fastrand",
"redox_syscall 0.3.5", "redox_syscall 0.3.5",
"rustix", "rustix 0.37.19",
"windows-sys 0.45.0", "windows-sys 0.45.0",
] ]
@ -2292,6 +2540,16 @@ dependencies = [
"windows-sys 0.48.0", "windows-sys 0.48.0",
] ]
[[package]]
name = "tokio-io-timeout"
version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "30b74022ada614a1b4834de765f9bb43877f910cc8ce4be40e89042c9223a8bf"
dependencies = [
"pin-project-lite",
"tokio",
]
[[package]] [[package]]
name = "tokio-macros" name = "tokio-macros"
version = "2.1.0" version = "2.1.0"
@ -2324,6 +2582,17 @@ dependencies = [
"tokio", "tokio",
] ]
[[package]]
name = "tokio-stream"
version = "0.1.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "397c988d37662c7dda6d2208364a706264bf3d6138b11d436cbac0ad38832842"
dependencies = [
"futures-core",
"pin-project-lite",
"tokio",
]
[[package]] [[package]]
name = "tokio-util" name = "tokio-util"
version = "0.7.8" version = "0.7.8"
@ -2347,6 +2616,72 @@ dependencies = [
"serde 1.0.163", "serde 1.0.163",
] ]
[[package]]
name = "tonic"
version = "0.10.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d560933a0de61cf715926b9cac824d4c883c2c43142f787595e48280c40a1d0e"
dependencies = [
"async-stream",
"async-trait",
"axum",
"base64 0.21.1",
"bytes",
"h2",
"http",
"http-body",
"hyper",
"hyper-timeout",
"percent-encoding",
"pin-project",
"prost",
"tokio",
"tokio-stream",
"tower",
"tower-layer",
"tower-service",
"tracing",
]
[[package]]
name = "tonic-build"
version = "0.10.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9d021fc044c18582b9a2408cd0dd05b1596e3ecdb5c4df822bb0183545683889"
dependencies = [
"prettyplease",
"proc-macro2",
"prost-build",
"quote",
"syn 2.0.16",
]
[[package]]
name = "tower"
version = "0.4.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
dependencies = [
"futures-core",
"futures-util",
"indexmap 1.9.3",
"pin-project",
"pin-project-lite",
"rand",
"slab",
"tokio",
"tokio-util",
"tower-layer",
"tower-service",
"tracing",
]
[[package]]
name = "tower-layer"
version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c20c8dbed6283a09604c3e69b4b7eeb54e298b8a600d4d5ecb5ad39de609f1d0"
[[package]] [[package]]
name = "tower-service" name = "tower-service"
version = "0.3.2" version = "0.3.2"
@ -2602,6 +2937,18 @@ dependencies = [
"wasm-bindgen", "wasm-bindgen",
] ]
[[package]]
name = "which"
version = "4.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
dependencies = [
"either",
"home",
"once_cell",
"rustix 0.38.28",
]
[[package]] [[package]]
name = "winapi" name = "winapi"
version = "0.3.9" version = "0.3.9"
@ -2666,6 +3013,15 @@ dependencies = [
"windows-targets 0.48.0", "windows-targets 0.48.0",
] ]
[[package]]
name = "windows-sys"
version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
dependencies = [
"windows-targets 0.52.0",
]
[[package]] [[package]]
name = "windows-targets" name = "windows-targets"
version = "0.42.2" version = "0.42.2"
@ -2696,6 +3052,21 @@ dependencies = [
"windows_x86_64_msvc 0.48.0", "windows_x86_64_msvc 0.48.0",
] ]
[[package]]
name = "windows-targets"
version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd"
dependencies = [
"windows_aarch64_gnullvm 0.52.0",
"windows_aarch64_msvc 0.52.0",
"windows_i686_gnu 0.52.0",
"windows_i686_msvc 0.52.0",
"windows_x86_64_gnu 0.52.0",
"windows_x86_64_gnullvm 0.52.0",
"windows_x86_64_msvc 0.52.0",
]
[[package]] [[package]]
name = "windows_aarch64_gnullvm" name = "windows_aarch64_gnullvm"
version = "0.42.2" version = "0.42.2"
@ -2708,6 +3079,12 @@ version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc" checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
[[package]]
name = "windows_aarch64_gnullvm"
version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
[[package]] [[package]]
name = "windows_aarch64_msvc" name = "windows_aarch64_msvc"
version = "0.42.2" version = "0.42.2"
@ -2720,6 +3097,12 @@ version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3" checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
[[package]]
name = "windows_aarch64_msvc"
version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
[[package]] [[package]]
name = "windows_i686_gnu" name = "windows_i686_gnu"
version = "0.42.2" version = "0.42.2"
@ -2732,6 +3115,12 @@ version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241" checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
[[package]]
name = "windows_i686_gnu"
version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
[[package]] [[package]]
name = "windows_i686_msvc" name = "windows_i686_msvc"
version = "0.42.2" version = "0.42.2"
@ -2744,6 +3133,12 @@ version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00" checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
[[package]]
name = "windows_i686_msvc"
version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
[[package]] [[package]]
name = "windows_x86_64_gnu" name = "windows_x86_64_gnu"
version = "0.42.2" version = "0.42.2"
@ -2756,6 +3151,12 @@ version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1" checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
[[package]]
name = "windows_x86_64_gnu"
version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
[[package]] [[package]]
name = "windows_x86_64_gnullvm" name = "windows_x86_64_gnullvm"
version = "0.42.2" version = "0.42.2"
@ -2768,6 +3169,12 @@ version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953" checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
[[package]]
name = "windows_x86_64_gnullvm"
version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
[[package]] [[package]]
name = "windows_x86_64_msvc" name = "windows_x86_64_msvc"
version = "0.42.2" version = "0.42.2"
@ -2780,6 +3187,12 @@ version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a" checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
[[package]]
name = "windows_x86_64_msvc"
version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
[[package]] [[package]]
name = "winreg" name = "winreg"
version = "0.10.1" version = "0.10.1"

View file

@ -2,6 +2,7 @@
name = "dcache" name = "dcache"
version = "0.1.0" version = "0.1.0"
edition = "2021" edition = "2021"
build = "build.rs"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@ -32,10 +33,15 @@ reqwest = { version = "0.11.9", features = ["json"] }
tokio = { version = "1.0", default-features = false, features = ["sync"] } tokio = { version = "1.0", default-features = false, features = ["sync"] }
tracing-subscriber = { version = "0.3.0", features = ["env-filter"] } tracing-subscriber = { version = "0.3.0", features = ["env-filter"] }
actix = "0.13.0" actix = "0.13.0"
tonic = { version = "0.10.2", features = ["transport", "channel"] }
prost = "0.12.3"
tokio-stream = "0.1.14"
async-stream = "0.3.5"
[build-dependencies] [build-dependencies]
serde_json = "1" serde_json = "1"
tonic-build = "0.10.2"
[dev-dependencies] [dev-dependencies]
actix-rt = "2.7.0" actix-rt = "2.7.0"

10
build.rs Normal file
View file

@ -0,0 +1,10 @@
fn main() -> Result<(), Box<dyn std::error::Error>> {
// tonic_build::configure()
// .out_dir("protoout")
// .compile(
// &["proto/dcache/dcache.proto"],
// &["proto/dcache"],
// )?;
tonic_build::compile_protos("proto/dcache/dcache.proto")?;
Ok(())
}

9
check.sh Executable file
View file

@ -0,0 +1,9 @@
#!/bin/bash
protoc \
--proto_path=${PWD}/proto \
--proto_path=${PWD}/bufbuild \
--go_out=${PWD} \
--go-grpc_out=${PWD} \
--validate_out="lang=rust:${PWD}" \
${PWD}/proto/dcache/dcache.proto

138
proto/dcache/dcache.proto Normal file
View file

@ -0,0 +1,138 @@
syntax = "proto3";
package dcache;
//message GetRequest { string key = 1; }
//
//message GetReply {
// bool ok = 1;
// string value = 2;
//}
message Level {
uint32 visitor_threshold = 301;
uint32 difficulty_factor= 302;
}
message Defense {
repeated Level levels = 401;
}
message MCaptcha {
uint32 visitor_threshold = 501;
uint64 duration = 502;
Defense defense = 503;
}
message AddCaptcha {
string id = 601;
MCaptcha mcaptcha = 602;
}
message RenameCaptcha {
string name = 701;
string rename_to = 702;
}
message CachePoW {
string string= 801;
uint32 difficulty_factor = 802;
uint64 duration = 803;
string key = 804;
}
message CacheResult {
string token = 817;
string key = 818;
uint64 duration= 819;
}
message DeleteCaptchaResult {
string token = 821;
}
message DcacheRequest {
oneof DcacheRequest {
string AddVisitor = 1;
AddCaptcha add_captcha = 2;
RenameCaptcha rename_captcha = 3;
string remove_captcha = 4;
CachePoW cache_pow = 5;
string delete_pow = 6;
CacheResult cache_result = 7;
DeleteCaptchaResult delete_captcha_result = 8;
}
}
message AddVisitorResult {
uint64 duration = 901;
uint32 difficulty_factor = 902;
}
message OptionAddVisitorResult {
optional AddVisitorResult result = 911;
}
message DcacheResponse {
oneof DcacheResponse {
OptionAddVisitorResult option_add_visitor_result = 1;
uint32 empty = 2;
}
}
message RaftRequest {
string data = 1;
}
message RaftReply {
string data = 1;
string error = 2;
}
//
//message HandshakeRequest {
// uint64 protocol_version = 1;
// bytes payload = 2;
//}
//
//message HandshakeResponse {
// uint64 protocol_version = 1;
// bytes payload = 2;
//}
message Learner {
uint64 id = 1;
string addr = 2;
}
service DcacheService {
rpc AddLearner(Learner) returns (RaftReply) {}
rpc Write(RaftRequest) returns (RaftReply) {}
// rpc Get(GetRequest) returns (GetReply) {}
/// Forward a request to other
rpc Forward(RaftRequest) returns (RaftReply) {}
// raft RPC
rpc AppendEntries(RaftRequest) returns (RaftReply);
rpc InstallSnapshot(RaftRequest) returns (RaftReply);
rpc vote(RaftRequest) returns (RaftReply);
}
//service Dcache {
// // handshake
// rpc Handshake(HandshakeRequest) returns (HandshakeResponse);
//
// // message
// rpc WriteMsg(RaftRequest) returns (RaftReply);
//// rpc ReadMsg(GetRequest) returns (GetReply);
//}

View file

@ -38,10 +38,13 @@ use crate::network::raft_network_impl::DcacheNetwork;
use crate::store::DcacheRequest; use crate::store::DcacheRequest;
use crate::store::DcacheResponse; use crate::store::DcacheResponse;
use crate::store::DcacheStore; use crate::store::DcacheStore;
use tonic::transport::Server;
pub mod app; pub mod app;
pub mod network; pub mod network;
mod server;
pub mod store; pub mod store;
pub mod types;
pub type DcacheNodeId = u64; pub type DcacheNodeId = u64;
@ -120,18 +123,44 @@ pub async fn start_example_raft_node(
.unwrap(); .unwrap();
raft.enable_heartbeat(true); raft.enable_heartbeat(true);
raft.enable_elect(true); raft.enable_elect(true);
let captcha = serde_json::json!({
"AddCaptcha": {
"id": "test_1",
"mcaptcha": {
"visitor_threshold": 0,
"defense": {
"levels": [
{"visitor_threshold": 50, "difficulty_factor": 500},
{"visitor_threshold": 5000, "difficulty_factor": 50000},
],
"current_visitor_threshold": 0,
},
"duration": 30,
}}});
#[derive(serde::Serialize)]
struct X {
data: String,
}
let x = X {
data: serde_json::to_string(&captcha).unwrap(),
};
println!("{}", serde_json::to_string(&x).unwrap());
// raft.enable_tick(true); // raft.enable_tick(true);
// Create an application that will store all the instances created above, this will // Create an application that will store all the instances created above, this will
// be later used on the actix-web services. // be later used on the actix-web services.
let app = Data::new(DcacheApp { let app = DcacheApp {
id: node_id, id: node_id,
addr: http_addr.clone(), addr: http_addr.clone(),
raft, raft,
store, store,
config, config,
network, network,
}); };
let app = Data::new(app);
let dcache_service = crate::server::MyDcacheImpl::new(app.clone());
if introducer_addr == http_addr { if introducer_addr == http_addr {
app.init().await.unwrap(); app.init().await.unwrap();
@ -139,47 +168,68 @@ pub async fn start_example_raft_node(
let app_copy = app.clone(); let app_copy = app.clone();
// Start the actix-web server. // Start the actix-web server.
let server = HttpServer::new(move || { // let server = HttpServer::new(move || {
App::new() // App::new()
.wrap(Logger::default()) // .wrap(Logger::default())
.wrap(Logger::new("%a %{User-Agent}i")) // .wrap(Logger::new("%a %{User-Agent}i"))
.wrap(middleware::Compress::default()) // .wrap(middleware::Compress::default())
.app_data(app.clone()) // .app_data(app.clone())
// raft internal RPC // // raft internal RPC
.service(raft::append) // .service(raft::append)
.service(raft::snapshot) // .service(raft::snapshot)
.service(raft::vote) // .service(raft::vote)
// admin API // // admin API
.service(management::init) // .service(management::init)
.service(management::add_learner) // .service(management::add_learner)
.service(management::change_membership) // .service(management::change_membership)
.service(management::metrics) // .service(management::metrics)
// application API // // application API
.service(api::write) // .service(api::write)
.service(api::state) // .service(api::state)
.service(api::read) // .service(api::read)
.service(api::pipeline_read) // .service(api::pipeline_read)
.service(api::pipeline_write) // .service(api::pipeline_write)
// .service(api::consistent_read) // // .service(api::consistent_read)
}); // });
//
// let x = server.bind(&http_addr)?;
let x = server.bind(&http_addr)?; // let server_fut = tokio::spawn(x.run());
use crate::server::dcache::dcache_service_server::DcacheServiceServer;
let svc = DcacheServiceServer::new(dcache_service);
let x = Server::builder()
.add_service(svc)
.serve(http_addr.clone().parse().unwrap());
let server_fut = tokio::spawn(x);
let server_fut = tokio::spawn(x.run());
tokio::time::sleep(std::time::Duration::new(3, 0)).await; tokio::time::sleep(std::time::Duration::new(3, 0)).await;
let req: (DcacheNodeId, String) = (node_id, http_addr); // let req: (DcacheNodeId, String) = (node_id, http_addr);
let c = reqwest::Client::new(); // let c = reqwest::Client::new();
c.post(format!("http://{}/add-learner", introducer_addr)) // c.post(format!("http://{}/add-learner", introducer_addr))
.json(&req) // .json(&req)
.send() // .send()
// .await
// .unwrap();
// let health_job = tokio::spawn(DcacheApp::health_job(app_copy));
let url = format!("http://{}", introducer_addr);
use crate::server::dcache::dcache_service_client::DcacheServiceClient;
use crate::server::dcache::Learner;
use crate::server::dcache::RaftRequest;
let mut client = DcacheServiceClient::connect(url).await.unwrap();
client
.add_learner(Learner {
id: node_id,
addr: http_addr,
})
.await .await
.unwrap(); .unwrap();
// let health_job = tokio::spawn(DcacheApp::health_job(app_copy));
let health_metrics_handle = let health_metrics_handle =
crate::network::management::HealthMetrics::spawn(app_copy, 5, manager_rx).await; crate::network::management::HealthMetrics::spawn(app_copy, 5, manager_rx).await;
server_fut.await??; server_fut.await?.unwrap();
health_metrics_handle.abort(); health_metrics_handle.abort();
// health_job.abort(); // health_job.abort();
Ok(()) Ok(())

View file

@ -43,17 +43,28 @@ use reqwest::Client;
use serde::de::DeserializeOwned; use serde::de::DeserializeOwned;
use serde::Serialize; use serde::Serialize;
use tokio::sync::mpsc::Sender; use tokio::sync::mpsc::Sender;
use tonic::transport::channel::Channel;
use super::management::HealthStatus; use super::management::HealthStatus;
use super::raft::snapshot;
use crate::DcacheNodeId; use crate::DcacheNodeId;
use crate::DcacheTypeConfig; use crate::DcacheTypeConfig;
use crate::server::dcache::dcache_service_client::DcacheServiceClient;
use crate::server::dcache::{RaftReply, RaftRequest};
#[derive(Clone)] #[derive(Clone)]
pub struct DcacheNetwork { pub struct DcacheNetwork {
pub signal: Sender<HealthStatus>, pub signal: Sender<HealthStatus>,
pub client: Client, pub client: Client,
} }
pub enum RPCType {
Vote,
Snapshot,
Append,
}
impl DcacheNetwork { impl DcacheNetwork {
pub fn new(signal: Sender<HealthStatus>, client: Client) -> Self { pub fn new(signal: Sender<HealthStatus>, client: Client) -> Self {
Self { signal, client } Self { signal, client }
@ -64,6 +75,7 @@ impl DcacheNetwork {
target_node: &BasicNode, target_node: &BasicNode,
uri: &str, uri: &str,
req: Req, req: Req,
event: RPCType,
) -> Result<Resp, RPCError<DcacheNodeId, BasicNode, Err>> ) -> Result<Resp, RPCError<DcacheNodeId, BasicNode, Err>>
where where
Req: Serialize, Req: Serialize,
@ -72,34 +84,79 @@ impl DcacheNetwork {
{ {
let addr = &target_node.addr; let addr = &target_node.addr;
let url = format!("http://{}/{}", addr, uri); //let url = format!("http://{}/{}", addr, uri);
let url = format!("http://{}", addr);
tracing::debug!("send_rpc to url: {}", url); let mut client = DcacheServiceClient::connect(url).await.unwrap();
let resp = match self.client.post(url).json(&req).send().await { let res = match event {
Ok(resp) => Ok(resp), RPCType::Vote => {
client
.vote(RaftRequest {
data: serde_json::to_string(&req).unwrap(),
})
.await
}
RPCType::Snapshot => {
client
.install_snapshot(RaftRequest {
data: serde_json::to_string(&req).unwrap(),
})
.await
}
RPCType::Append => {
client
.append_entries(RaftRequest {
data: serde_json::to_string(&req).unwrap(),
})
.await
}
};
match res {
Ok(res) => {
let signal2 = self.signal.clone();
let fut = async move {
let _ = signal2.send(HealthStatus::Healthy(target)).await;
};
tokio::spawn(fut);
let res = res.into_inner();
Ok(serde_json::from_str(&res.data).unwrap())
}
Err(e) => { Err(e) => {
self.signal.send(HealthStatus::Down(target)).await; let _ = self.signal.send(HealthStatus::Down(target)).await;
Err(RPCError::Network(NetworkError::new(&e))) Err(RPCError::Network(NetworkError::new(&e)))
} }
}?;
tracing::debug!("client.post() is sent");
let res: Result<Resp, Err> = resp
.json()
.await
.map_err(|e| RPCError::Network(NetworkError::new(&e)))?;
let res = res.map_err(|e| RPCError::RemoteError(RemoteError::new(target, e)));
if res.is_ok() {
let signal2 = self.signal.clone();
let fut = async move {
let _ = signal2.send(HealthStatus::Healthy(target)).await;
};
tokio::spawn(fut);
} }
res
// tracing::debug!("send_rpc to url: {}", url);
//
// let resp = match self.client.post(url).json(&req).send().await {
// Ok(resp) => Ok(resp),
// Err(e) => {
// self.signal.send(HealthStatus::Down(target)).await;
// Err(RPCError::Network(NetworkError::new(&e)))
// }
// }?;
//
// tracing::debug!("client.post() is sent");
//
// let res: Result<Resp, Err> = resp
// .json()
// .await
// .map_err(|e| RPCError::Network(NetworkError::new(&e)))?;
//
// let res = res.map_err(|e| RPCError::RemoteError(RemoteError::new(target, e)));
// if res.is_ok() {
// let signal2 = self.signal.clone();
// let fut = async move {
// let _ = signal2.send(HealthStatus::Healthy(target)).await;
// };
// tokio::spawn(fut);
// }
// res
} }
} }
@ -134,7 +191,13 @@ impl RaftNetwork<DcacheTypeConfig> for DcacheNetworkConnection {
RPCError<DcacheNodeId, BasicNode, RaftError<DcacheNodeId>>, RPCError<DcacheNodeId, BasicNode, RaftError<DcacheNodeId>>,
> { > {
self.owner self.owner
.send_rpc(self.target, &self.target_node, "raft-append", req) .send_rpc(
self.target,
&self.target_node,
"raft-append",
req,
RPCType::Append,
)
.await .await
} }
@ -146,7 +209,13 @@ impl RaftNetwork<DcacheTypeConfig> for DcacheNetworkConnection {
RPCError<DcacheNodeId, BasicNode, RaftError<DcacheNodeId, InstallSnapshotError>>, RPCError<DcacheNodeId, BasicNode, RaftError<DcacheNodeId, InstallSnapshotError>>,
> { > {
self.owner self.owner
.send_rpc(self.target, &self.target_node, "raft-snapshot", req) .send_rpc(
self.target,
&self.target_node,
"raft-snapshot",
req,
RPCType::Append,
)
.await .await
} }
@ -158,7 +227,13 @@ impl RaftNetwork<DcacheTypeConfig> for DcacheNetworkConnection {
RPCError<DcacheNodeId, BasicNode, RaftError<DcacheNodeId>>, RPCError<DcacheNodeId, BasicNode, RaftError<DcacheNodeId>>,
> { > {
self.owner self.owner
.send_rpc(self.target, &self.target_node, "raft-vote", req) .send_rpc(
self.target,
&self.target_node,
"raft-vote",
req,
RPCType::Vote,
)
.await .await
} }
} }

88
src/server.rs Normal file
View file

@ -0,0 +1,88 @@
use actix_web::web::Data;
use openraft::BasicNode;
use tokio_stream::StreamExt;
use tonic::{transport::Server, Request, Response, Status};
use dcache::dcache_service_server::DcacheService;
use dcache::{Learner, RaftReply, RaftRequest};
use crate::app::DcacheApp;
pub mod dcache {
tonic::include_proto!("dcache"); // The string specified here must match the proto package name
}
#[derive(Clone)]
pub struct MyDcacheImpl {
app: Data<DcacheApp>,
}
impl MyDcacheImpl {
pub fn new(app: Data<DcacheApp>) -> Self {
Self { app }
}
}
#[tonic::async_trait]
impl DcacheService for MyDcacheImpl {
async fn add_learner(
&self,
request: tonic::Request<Learner>,
) -> std::result::Result<tonic::Response<RaftReply>, tonic::Status> {
//let req = request.into_inner();
//let req = serde_json::from_str(&req.data).unwrap();
//let res = self.app.raft.client_write(req).await;
//Ok(Response::new(res.into()))
let req = request.into_inner();
let node_id = req.id;
let node = BasicNode {
addr: req.addr.clone(),
};
let res = self.app.raft.add_learner(node_id, node, true).await;
Ok(Response::new(res.into()))
}
async fn write(
&self,
request: tonic::Request<RaftRequest>,
) -> std::result::Result<tonic::Response<RaftReply>, tonic::Status> {
let req = request.into_inner();
let req = serde_json::from_str(&req.data).unwrap();
let res = self.app.raft.client_write(req).await;
Ok(Response::new(res.into()))
}
/// / Forward a request to other
async fn forward(
&self,
request: tonic::Request<RaftRequest>,
) -> std::result::Result<tonic::Response<RaftReply>, tonic::Status> {
unimplemented!();
}
async fn append_entries(
&self,
request: tonic::Request<RaftRequest>,
) -> std::result::Result<tonic::Response<RaftReply>, tonic::Status> {
let req = request.into_inner();
let req = serde_json::from_str(&req.data).unwrap();
let res = self.app.raft.append_entries(req).await;
Ok(Response::new(res.into()))
}
async fn install_snapshot(
&self,
request: tonic::Request<RaftRequest>,
) -> std::result::Result<tonic::Response<RaftReply>, tonic::Status> {
let req = request.into_inner();
let req = serde_json::from_str(&req.data).unwrap();
let res = self.app.raft.install_snapshot(req).await;
Ok(Response::new(res.into()))
}
async fn vote(
&self,
request: tonic::Request<RaftRequest>,
) -> std::result::Result<tonic::Response<RaftReply>, tonic::Status> {
let req = request.into_inner();
let req = serde_json::from_str(&req.data).unwrap();
let res = self.app.raft.vote(req).await;
Ok(Response::new(res.into()))
}
}

52
src/types.rs Normal file
View file

@ -0,0 +1,52 @@
use std::sync::Arc;
use openraft::raft::AppendEntriesRequest;
use openraft::raft::InstallSnapshotRequest;
use openraft::raft::VoteRequest;
use serde::de::DeserializeOwned;
use serde::Deserialize;
use serde::Serialize;
use crate::server::dcache::{RaftReply, RaftRequest};
use crate::DcacheNodeId;
impl<T, E> From<RaftReply> for Result<T, E>
where
T: DeserializeOwned,
E: DeserializeOwned,
{
fn from(msg: RaftReply) -> Self {
if !msg.data.is_empty() {
let resp: T = serde_json::from_str(&msg.data).expect("fail to deserialize");
Ok(resp)
} else {
let err: E = serde_json::from_str(&msg.error).expect("fail to deserialize");
Err(err)
}
}
}
impl<T, E> From<Result<T, E>> for RaftReply
where
T: Serialize,
E: Serialize,
{
fn from(r: Result<T, E>) -> Self {
match r {
Ok(x) => {
let data = serde_json::to_string(&x).expect("fail to serialize");
RaftReply {
data,
error: Default::default(),
}
}
Err(e) => {
let error = serde_json::to_string(&e).expect("fail to serialize");
RaftReply {
data: Default::default(),
error,
}
}
}
}
}