From a122a2d6395e662dad356fcc46ed0dfd5e41d0bd Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 15 Aug 2021 20:27:40 +0100
Subject: [PATCH] server wip meta

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 src/bin/server.rs | 63 +++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 55 insertions(+), 8 deletions(-)

diff --git a/src/bin/server.rs b/src/bin/server.rs
index 1fd6695..1764470 100644
--- a/src/bin/server.rs
+++ b/src/bin/server.rs
@@ -215,6 +215,7 @@ async fn handle(
 }
 
 #[allow(unused_variables)] // xxx
+#[allow(unused_mut)] // xxx
 async fn run_client(ic: Arc<InstanceConfig>,
                     mut web: mpsc::Receiver<WebRequest>)
                     -> Result<Void, AE>
@@ -272,14 +273,60 @@ async fn run_client(ic: Arc<InstanceConfig>,
             &mut body
           ).await.context("read request body")?;
 
-          dbg!(whole_request.len());
-
-/*          
-
-          multipart::ComponentIterator::resume_mid_component(
-            &initial[initial_remaining..],
-  */          
-
+          let (meta, comps) =
+            multipart::ComponentIterator::resume_mid_component(
+              &whole_request[initial_remaining..],
+              boundary_finder
+            ).context("resume parsing body, after auth checks")?;
+
+          let mut meta = MetadataFieldIterator::new(&meta);
+/*
+          macro_rules!(
+
+          let target_requests_outstanding = {
+            let server = ic.target_requests_outstanding;
+            let client: u32 = meta.need_parse()?;
+            if client != server {
+              throw!(anyhow!("mismatch: client={} != server={}",
+                             client, server));
+            }
+            Ok::<_,AE>(client)
+          }.context("target_requests_outstanding")?;
+
+          let http_timeout: u64 = {
+            let server = ic.http_timeout;
+            let client = Duration::from_secs(meta.need_parse()?);
+            if client > server {
+              throw!(anyhow!("mismatch: client={} > server={}",
+                             client, server));
+            }
+            Ok::<_,AE>(client)
+          }.context("http_timeout")?;
+
+          let max_batch_down = {
+            let server = ic.max_batch_down;
+            let client: u32 = meta.parse().context("max_batch_down")?;
+            let to_use = min(client, server);
+            Ok::<_,AE>(to_use)
+          }.context("max_batch_down")?;
+
+          let max_batch_up = {
+            let server = ic.max_batch_up;
+            let client = meta.parse().context("max_batch_up")?;
+            if client > server {
+              throw!(anyhow!("mismatch: client={} != server={}",
+                             client, server));
+            }
+              
+            throw!(anyhow!(
+ "target_requests_outstanding mismatch: client={} server={}",
+              target_requests_outstanding, 
+              ic.target_requests_outstanding
+            ))
+          }
+
+          if ic.
+*/
           Ok::<_,AE>(())
         }.await {
           Ok(()) => outstanding.push_back(Outstanding {
-- 
2.30.2