feat: Introduce a basic http service

This commit is contained in:
Clément Renault 2018-09-14 19:56:04 +02:00
parent 3f503446d5
commit b5b87cd930
3 changed files with 77 additions and 27 deletions

View File

@ -1,7 +1,10 @@
#[macro_use] extern crate serde_derive;
use std::env;
use std::io::Write;
use std::fs::File;
use std::path::Path;
use std::collections::hash_set::HashSet;
use std::io::{self, BufReader, BufRead, Write};
use std::sync::Arc;
use std::error::Error;
use std::str::from_utf8_unchecked;
@ -20,12 +23,28 @@ struct Document<'a> {
description: &'a str,
}
fn search<M, D>(metadata: M, database: D, query: &str) -> Result<String, Box<Error>>
type CommonWords = HashSet<String>;
fn common_words<P>(path: P) -> io::Result<CommonWords>
where P: AsRef<Path>,
{
let file = File::open(path)?;
let file = BufReader::new(file);
let mut set = HashSet::new();
for line in file.lines().filter_map(|l| l.ok()) {
for word in line.split_whitespace() {
set.insert(word.to_owned());
}
}
Ok(set)
}
fn search<M, D>(metadata: M, database: D, common_words: &CommonWords, query: &str) -> Result<String, Box<Error>>
where M: AsRef<Metadata>,
D: AsRef<DB>,
{
let mut automatons = Vec::new();
for query in query.split_whitespace() {
for query in query.split_whitespace().filter(|q| !common_words.contains(*q)) {
let lev = automaton::build(query);
automatons.push(lev);
}
@ -78,10 +97,12 @@ fn main() {
let db = DB::open_for_read_only(DBOptions::default(), rocksdb, false).unwrap();
let db = Arc::new(db);
let common_words = common_words("fr.stopwords.txt").unwrap();
let routes = warp::path("search")
.and(warp::query())
.map(move |query: SearchQuery| {
let body = search(meta.clone(), db.clone(), &query.query).unwrap();
let body = search(meta.clone(), db.clone(), &common_words, &query.query).unwrap();
body
})
.with(warp::reply::with::header("Content-Type", "application/json"));

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@ -3,9 +3,10 @@
#[macro_use] extern crate serde_derive;
use std::path::Path;
use std::collections::{HashSet, BTreeMap};
use std::io::{self, BufReader, BufRead};
use std::fs::File;
use std::io::{BufReader, BufRead};
use std::iter;
use raptor::{MetadataBuilder, DocIndex};
@ -20,28 +21,31 @@ struct Product {
ft: String,
}
type CommonWords = HashSet<String>;
fn common_words<P>(path: P) -> io::Result<CommonWords>
where P: AsRef<Path>,
{
let file = File::open(path)?;
let file = BufReader::new(file);
let mut set = HashSet::new();
for line in file.lines().filter_map(|l| l.ok()) {
for word in line.split_whitespace() {
set.insert(word.to_owned());
}
}
Ok(set)
}
fn main() {
let data = File::open("products.json_lines").unwrap();
let data = BufReader::new(data);
let common_words = {
match File::open("fr.stopwords.txt") {
Ok(file) => {
let file = BufReader::new(file);
let mut set = HashSet::new();
for line in file.lines().filter_map(|l| l.ok()) {
for word in line.split_whitespace() {
set.insert(word.to_owned());
}
}
set
},
Err(e) => {
eprintln!("{:?}", e);
HashSet::new()
},
}
};
let common_path = "fr.stopwords.txt";
let common_words = common_words(common_path).unwrap_or_else(|e| {
println!("{:?}: {:?}", common_path, e);
HashSet::new()
});
// TODO add a subcommand to pack these files in a tar.xxx archive
let random_name = moby_name_gen::random_name();

View File

@ -1,14 +1,33 @@
use std::env;
use std::fs::File;
use std::path::Path;
use std::collections::HashSet;
use std::str::from_utf8_unchecked;
use std::io::{self, Write};
use std::io::{self, BufReader, BufRead, Write};
use elapsed::measure_time;
use fst::Streamer;
use rocksdb::{DB, DBOptions, IngestExternalFileOptions};
use raptor::{automaton, Metadata, RankedStream};
fn search(metadata: &Metadata, database: &DB, query: &str) {
type CommonWords = HashSet<String>;
fn common_words<P>(path: P) -> io::Result<CommonWords>
where P: AsRef<Path>,
{
let file = File::open(path)?;
let file = BufReader::new(file);
let mut set = HashSet::new();
for line in file.lines().filter_map(|l| l.ok()) {
for word in line.split_whitespace() {
set.insert(word.to_owned());
}
}
Ok(set)
}
fn search(metadata: &Metadata, database: &DB, common_words: &CommonWords, query: &str) {
let mut automatons = Vec::new();
for query in query.split_whitespace() {
for query in query.split_whitespace().filter(|q| !common_words.contains(*q)) {
let lev = automaton::build(query);
automatons.push(lev);
}
@ -47,6 +66,12 @@ fn main() {
});
println!("{} to load the SST file in RocksDB and reopen it for read-only", elapsed);
let common_path = "fr.stopwords.txt";
let common_words = common_words(common_path).unwrap_or_else(|e| {
println!("{:?}: {:?}", common_path, e);
HashSet::new()
});
loop {
print!("Searching for: ");
io::stdout().flush().unwrap();
@ -57,7 +82,7 @@ fn main() {
if query.is_empty() { break }
let (elapsed, _) = measure_time(|| search(&meta, &db, &query));
let (elapsed, _) = measure_time(|| search(&meta, &db, &common_words, &query));
println!("Finished in {}", elapsed);
}
}