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use anyhow::Result;
use log::{error, info};
use rouille::{router, Request, Response};
use futures::TryStreamExt;
use ipfs_sqlite_block_store::BlockStore;
use iroh_car::CarReader;
use libipld::block::Block;
use std::path::PathBuf;
use tokio::fs::File;
use tokio::io::BufReader;
mod mst;
pub use mst::{dump_mst_keys, repro_mst};
pub fn run_server(port: u16) -> Result<()> {
// TODO: log access requests
// TODO: some static files? https://github.com/tomaka/rouille/blob/master/examples/static-files.rs
let log_ok = |req: &Request, _resp: &Response, elap: std::time::Duration| {
info!("{} {} ({:?})", req.method(), req.raw_url(), elap);
};
let log_err = |req: &Request, elap: std::time::Duration| {
error!(
"HTTP handler panicked: {} {} ({:?})",
req.method(),
req.raw_url(),
elap
);
};
rouille::start_server(format!("localhost:{}", port), move |request| {
rouille::log_custom(request, log_ok, log_err, || {
router!(request,
(GET) ["/"] => {
Response::text("Not much to see here yet!")
},
(GET) ["/xrpc/some.method"] => {
Response::text("didn't get a thing")
// TODO: reply with query params as a JSON body
},
(POST) ["/xrpc/other.method"] => {
Response::text("didn't get other thing")
// TODO: parse and echo back JSON body
},
_ => rouille::Response::empty_404()
)
})
});
}
pub fn load_car_to_sqlite(db_path: &PathBuf, car_path: &PathBuf) -> Result<()> {
let mut db: BlockStore<libipld::DefaultParams> =
{ BlockStore::open(db_path, Default::default())? };
load_car_to_blockstore(&mut db, car_path)
}
pub fn load_car_to_blockstore(db: &mut BlockStore<libipld::DefaultParams>, car_path: &PathBuf) -> Result<()> {
let rt = tokio::runtime::Builder::new_current_thread()
.enable_all()
.build()?;
rt.block_on(inner_car_loader(db, car_path))
}
// this async function is wrapped in the sync version above
async fn inner_car_loader(db: &mut BlockStore<libipld::DefaultParams>, car_path: &PathBuf) -> Result<()> {
println!("{} - {}", std::env::current_dir()?.display(), car_path.display());
let car_reader = {
let file = File::open(car_path).await?;
let buf_reader = BufReader::new(file);
CarReader::new(buf_reader).await?
};
let car_header = car_reader.header().clone();
car_reader
.stream()
.try_for_each(|(cid, raw)| {
// TODO: error handling here instead of unwrap (?)
let block = Block::new(cid, raw).unwrap();
db.put_block(block, None).unwrap();
futures::future::ready(Ok(()))
})
.await?;
// pin the header
if car_header.roots().len() >= 1 {
db.alias(b"import".to_vec(), Some(&car_header.roots()[0]))?;
}
Ok(())
}
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