add url-downloader-new

This commit is contained in:
folex 2021-02-26 01:09:39 +03:00
parent da0b83d3dd
commit 4ba0c8cfdc
17 changed files with 824 additions and 1 deletions

6
.gitignore vendored
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@ -1,8 +1,12 @@
target
node_modules
.idea
.DS_Store
.vscode
.repl_history
/target
**/**.bak
**/**.bk
/artifacts
keypair.json
*.wasm

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@ -0,0 +1,21 @@
modules_dir = "artifacts/"
[[module]]
name = "local_storage"
logger_enabled = true
[module.wasi]
preopened_files = ["./sites"]
# this is where files will be stored
mapped_dirs = { "sites" = "./sites" }
[[module]]
name = "curl_adapter"
logger_enabled = true
[module.mounted_binaries]
curl = "/usr/bin/curl"
[[module]]
name = "facade"
logger_enabled = true

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@ -0,0 +1,7 @@
{
"name": "curl_adapter",
"mountedBinaries":
{
"curl": "/usr/bin/curl"
}
}

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@ -0,0 +1 @@
{"name": "facade"}

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@ -0,0 +1 @@
{"name": "local_storage"}

24
url-downloader-new/build.sh Executable file
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@ -0,0 +1,24 @@
#!/bin/sh -euo pipefail
# This script builds all subprojects and puts all created Wasm modules in one dir
(
cd local_storage
cargo update
fce build --release
)
(
cd curl_adapter
cargo update
fce build --release
)
(
cd facade
cargo update
fce build --release
)
mkdir -p artifacts
rm -f artifacts/*.wasm
cp local_storage/target/wasm32-wasi/release/local_storage.wasm artifacts/
cp curl_adapter/target/wasm32-wasi/release/curl_adapter.wasm artifacts/
cp facade/target/wasm32-wasi/release/facade.wasm artifacts/

178
url-downloader-new/curl_adapter/Cargo.lock generated Normal file
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# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
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@ -0,0 +1,14 @@
[package]
name = "curl_adapter"
version = "0.1.0"
authors = ["Fluence Labs"]
edition = "2018"
publish = false
[[bin]]
path = "src/main.rs"
name = "curl_adapter"
[dependencies]
fluence = { version = "=0.3.3", features = ["logger"] }
log = "0.4.8"

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@ -0,0 +1,48 @@
/*
* Copyright 2020 Fluence Labs Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#![allow(improper_ctypes)]
use fluence::fce;
use fluence::WasmLoggerBuilder;
use fluence::MountedBinaryResult as Result;
use fluence::MountedBinaryStringResult as StringResult;
/// Log level can be changed by `RUST_LOG` env as well.
pub fn main() {
WasmLoggerBuilder::new().build().unwrap();
}
#[fce]
pub fn request(url: String) -> StringResult {
unsafe { curl(vec![url]) }.stringify().unwrap()
}
#[fce]
pub fn download(url: String) -> Result {
log::info!("download called with url {}", url);
unsafe { curl(vec![url]) }
}
/// Permissions in `Config.toml` should exist to use host functions.
#[fce]
#[link(wasm_import_module = "host")]
extern "C" {
fn curl(cmd: Vec<String>) -> Result;
}

12
url-downloader-new/deploy.sh Executable file
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@ -0,0 +1,12 @@
#!/bin/sh -euo pipefail
# build wasms
sh build.sh
(
cd artifacts
fldist new_service --name "url_downloader" --modules \
curl_adapter.wasm:curl_adapter.json \
local_storage.wasm:local_storage.json \
facade.wasm:facade.json
)

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@ -0,0 +1,7 @@
(xor
(seq
(call relay (service "request") ["https://api.duckduckgo.com/?q=homotopy&format=json"] result)
(call %init_peer_id% (returnService "run") [result])
)
(call %init_peer_id% (returnService "run") [%last_error%])
)

185
url-downloader-new/facade/Cargo.lock generated Normal file
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@ -0,0 +1,185 @@
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@ -0,0 +1,15 @@
[package]
name = "facade"
version = "0.1.0"
authors = ["Fluence Labs"]
edition = "2018"
publish = false
[[bin]]
name = "facade"
path = "src/main.rs"
[dependencies]
fluence = { version = "=0.3.3", features = ["logger"]}
log = "0.4.8"
base64 = "0.13.0"

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@ -0,0 +1,63 @@
/*
* Copyright 2020 Fluence Labs Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#![allow(improper_ctypes)]
use fluence::fce;
use fluence::MountedBinaryResult as Result;
use fluence::WasmLoggerBuilder;
pub fn main() {
WasmLoggerBuilder::new().build().unwrap();
}
/// Combining of modules: `curl` and `local_storage`.
/// Calls `curl` and stores returned result into a file.
#[fce]
pub fn get_n_save(url: String, file_name: String) -> i32 {
let result = unsafe { download(url) };
if result.is_success() {
log::info!("saving file {}", file_name);
unsafe { file_put(file_name, result.stdout) };
} else {
log::error!("download failed: {:#?}", result.as_std())
}
result.ret_code
}
#[fce]
pub fn load_file(file_name: String) -> String {
let bytes = unsafe { file_get(file_name) };
base64::encode(bytes)
}
/// Import `curl_adapter` module
#[fce]
#[link(wasm_import_module = "curl_adapter")]
extern "C" {
pub fn download(url: String) -> Result;
}
/// Import `local_storage` module
#[fce]
#[link(wasm_import_module = "local_storage")]
extern "C" {
#[link_name = "get"]
pub fn file_get(file_name: String) -> Vec<u8>;
#[link_name = "put"]
pub fn file_put(name: String, file_content: Vec<u8>) -> String;
}

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@ -0,0 +1,14 @@
[package]
name = "local_storage"
version = "0.1.0"
authors = ["Fluence Labs"]
edition = "2018"
publish = false
[[bin]]
name = "local_storage"
path = "src/main.rs"
[dependencies]
fluence = { version = "=0.3.3", features = ["logger"]}
log = "0.4.8"

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@ -0,0 +1,51 @@
/*
* Copyright 2020 Fluence Labs Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
use std::fs;
use fluence::fce;
use fluence::WasmLoggerBuilder;
use std::path::PathBuf;
const SITES_DIR: &str = "/sites/";
/// Log level can be changed by `RUST_LOG` env as well.
pub fn main() {
WasmLoggerBuilder::new().build().unwrap();
}
/// You can read or write files from the file system if there is permission to use directories described in `Config.toml`.
#[fce]
pub fn put(name: String, file_content: Vec<u8>) -> String {
log::info!("put called with file name {}", name);
let rpc_tmp_filepath = format!("{}{}", SITES_DIR, name);
let result = fs::write(PathBuf::from(rpc_tmp_filepath.clone()), file_content);
if let Err(e) = result {
return format!("file can't be written: {}", e);
}
String::from("Ok")
}
#[fce]
pub fn get(file_name: String) -> Vec<u8> {
log::info!("get called with file name: {}", file_name);
let tmp_filepath = format!("{}{}", SITES_DIR, file_name);
fs::read(tmp_filepath).unwrap_or_else(|_| b"error while reading file".to_vec())
}