linkrelstore + site suggestion cli

logs href relations in database, allowing for pagerank calculation in
the future.

sites can now be added to the queue by running ./vorebot <url> [damping]
default damping is 0.45 for suggested sites

Cargo.lock

@@ -253,6 +253,7 @@ dependencies = [
  "rand 0.8.5",
  "rmp-serde",
  "serde",
+ "sha-rs",
  "tokio",
  "ulid",
 ]
@@ -4439,6 +4440,15 @@ dependencies = [
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "sha-rs"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683c4940af5e947166f4da5f60f7ea30c26799b2189bec6e3d64cc3aa8f0f9de"
+dependencies = [
+ "hex",
+]
+
 [[package]]
 name = "sha1"
 version = "0.10.6"

asklyphe-common/Cargo.toml

@@ -20,6 +20,7 @@ async-nats = "0.38.0"
 ulid = "1.1.0"
 rand = "0.8.5"
 percent-encoding = "2.3.1"
+sha-rs = "0.1.0"
 
 [features]
 default = []

asklyphe-common/src/ldb/linkrelstore.rs

@@ -0,0 +1,112 @@
+use crate::ldb::{construct_path, hash, DBConn};
+use log::{error, warn};
+use lyphedb::{KVList, KeyDirectory, LDBNatsMessage, LypheDBCommand, PropagationStrategy};
+
+pub const INCOMINGSTORE: &str = "incomingstore";
+pub const OUTGOINGSTORE: &str = "outgoingstore";
+
+pub async fn a_linksto_b(db: &DBConn, a: &str, b: &str) -> Result<(), ()> {
+    let key_sets = vec![
+        (
+            construct_path(&[OUTGOINGSTORE, &hash(a)])
+                .as_bytes()
+                .to_vec(),
+            a.as_bytes().to_vec(),
+        ),
+        (
+            construct_path(&[OUTGOINGSTORE, &hash(a), &hash(b)])
+                .as_bytes()
+                .to_vec(),
+            b.as_bytes().to_vec(),
+        ),
+        (
+            construct_path(&[INCOMINGSTORE, &hash(b)])
+                .as_bytes()
+                .to_vec(),
+            b.as_bytes().to_vec(),
+        ),
+        (
+            construct_path(&[INCOMINGSTORE, &hash(b), &hash(a)])
+                .as_bytes()
+                .to_vec(),
+            a.as_bytes().to_vec(),
+        ),
+    ];
+    let cmd = LDBNatsMessage::Command(LypheDBCommand::SetKeys(
+        KVList { kvs: key_sets },
+        PropagationStrategy::OnRead,
+    ));
+
+    match db.query(cmd).await {
+        LDBNatsMessage::Success => Ok(()),
+        LDBNatsMessage::BadRequest => {
+            error!("bad request for a_linksto_b");
+            Err(())
+        }
+        LDBNatsMessage::NotFound => {
+            error!("not found for a_linksto_b");
+            Err(())
+        }
+
+        _ => {
+            warn!("lyphedb sent weird message as response, treating as error");
+            Err(())
+        }
+    }
+}
+
+pub async fn what_links_to_this(db: &DBConn, url: &str) -> Result<Vec<String>, ()> {
+    let path = construct_path(&[INCOMINGSTORE, &hash(url)])
+        .as_bytes()
+        .to_vec();
+    let cmd = LDBNatsMessage::Command(LypheDBCommand::GetKeyDirectory(KeyDirectory { key: path }));
+
+    match db.query(cmd).await {
+        LDBNatsMessage::Entries(kvs) => Ok(kvs
+            .kvs
+            .into_iter()
+            .map(|v| String::from_utf8_lossy(&v.1).to_string())
+            .collect()),
+        LDBNatsMessage::Success => {
+            warn!("lyphedb responded with \"success\" to what_links_to_this, treating as error");
+            Err(())
+        }
+        LDBNatsMessage::BadRequest => {
+            warn!("bad request for what_links_to_this");
+            Err(())
+        }
+        LDBNatsMessage::NotFound => Ok(vec![]),
+        _ => {
+            warn!("lyphedb sent weird message as response, treating as error");
+            Err(())
+        }
+    }
+}
+
+pub async fn what_links_from_this(db: &DBConn, url: &str) -> Result<Vec<String>, ()> {
+    let path = construct_path(&[OUTGOINGSTORE, &hash(url)])
+        .as_bytes()
+        .to_vec();
+    let cmd = LDBNatsMessage::Command(LypheDBCommand::GetKeyDirectory(KeyDirectory { key: path }));
+
+    match db.query(cmd).await {
+        LDBNatsMessage::Entries(kvs) => Ok(kvs
+            .kvs
+            .into_iter()
+            .map(|v| String::from_utf8_lossy(&v.1).to_string())
+            .collect()),
+        LDBNatsMessage::Success => {
+            warn!("lyphedb responded with \"success\" to what_links_from_this, treating as error");
+            Err(())
+        }
+        LDBNatsMessage::BadRequest => {
+            warn!("bad request for what_links_from_this");
+            Err(())
+        }
+        LDBNatsMessage::NotFound => Ok(vec![]),
+        _ => {
+            warn!("lyphedb sent weird message as response, treating as error");
+            Err(())
+        }
+    }
+}

asklyphe-common/src/ldb/mod.rs

@@ -3,6 +3,7 @@ pub mod sitestore;
 pub mod linkstore;
 pub mod metastore;
 pub mod titlestore;
+pub mod linkrelstore;
 
 use std::hash::{DefaultHasher, Hasher};
 use std::sync::Arc;
@@ -11,15 +12,15 @@ use futures::StreamExt;
 use log::warn;
 use lyphedb::LDBNatsMessage;
 use percent_encoding::{percent_encode, AsciiSet, CONTROLS, NON_ALPHANUMERIC};
+use sha_rs::{Sha, Sha256};
 
 static NEXT_REPLY_ID: AtomicU64 = AtomicU64::new(0);
 
 pub const NOT_ALLOWED_ASCII: AsciiSet = CONTROLS.add(b' ').add(b'/').add(b'.').add(b'\\');
 
 pub fn hash(str: &str) -> String {
-    let mut hasher = DefaultHasher::new();
-    hasher.write(str.as_bytes());
-    hasher.finish().to_string()
+    let hasher = Sha256::new();
+    hasher.digest(str.as_bytes())
 }
 
 pub fn construct_path(path_elements: &[&str]) -> String {

vorebot/src/main.rs

@@ -93,6 +93,19 @@ async fn main() {
     let dbconn = DBConn::new(nats.clone(), DB_NAME.to_string());
     let nats = jetstream::new(nats);
 
+    // fixme: remove this once we have proper site suggestion interface
+    let args = std::env::args().collect::<Vec<_>>();
+    if let Some(suggestion_site) = args.get(1) {
+        let damping = args.get(2).map(|v| v.parse::<f64>().expect("BAD FP")).unwrap_or(0.45);
+        warn!("suggesting {} with damping {}", suggestion_site, damping);
+
+        nats.publish(VOREBOT_SERVICE.to_string(), rmp_serde::to_vec(&CrawlRequest {
+            url: suggestion_site.to_string(),
+            damping,
+        }).unwrap().into()).await.unwrap();
+        return;
+    }
+
     let mut tasks: Vec<(JoinHandle<()>, String)> = vec![];
     let mut available_browsers: Vec<String> = BROWSER_THREADS.clone();
 
@@ -335,10 +348,6 @@ async fn main() {
             }
             tasks.retain(|v| !tasks_to_remove.contains(&v.1));
             tokio::time::sleep(Duration::from_secs(3)).await;
-
-            //while let Some(p) = initial.pop() {
-            //    nats.publish(VOREBOT_SUGGESTED_SERVICE.to_string(), rmp_serde::to_vec(&p).unwrap().into()).await.unwrap();
-            //}
         }
     }
 }

vorebot/src/webparse/mod.rs

@@ -1,5 +1,5 @@
 use crate::USER_AGENT;
-use asklyphe_common::ldb::{linkstore, metastore, sitestore, titlestore, wordstore, DBConn};
+use asklyphe_common::ldb::{linkrelstore, linkstore, metastore, sitestore, titlestore, wordstore, DBConn};
 use async_nats::jetstream;
 use async_nats::jetstream::kv;
 use futures::AsyncReadExt;
@@ -473,6 +473,10 @@ pub async fn web_parse(
                 warn!("couldn't add {} to linkwords!", url);
             }
         }
+        
+        if linkrelstore::a_linksto_b(&db, url, &href).await.is_err() {
+            warn!("couldn't perform a_linksto_b (a {url} b {href})");
+        }
 
         nats.publish(VOREBOT_SERVICE.to_string(), rmp_serde::to_vec(&CrawlRequest {
             url: href,
@@ -484,7 +488,5 @@ pub async fn web_parse(
     
     debug!("crawled {} in {} seconds", url, elapsed);
     
-    // todo: queue links to be crawled
-
     Ok(())
 }