Support loading multiple recordings and/or blueprints in web-viewer (#…

…5548)

### What
* Closes #5294

This adds support for passing multiple .rrd and/or .rbl files to the
web-viewer by repeating the `url` query parameter.

### TODO
* [x] Test this

### Checklist
* [x] I have read and agree to [Contributor
Guide](https://github.com/rerun-io/rerun/blob/main/CONTRIBUTING.md) and
the [Code of
Conduct](https://github.com/rerun-io/rerun/blob/main/CODE_OF_CONDUCT.md)
* [x] I've included a screenshot or gif (if applicable)
* [x] I have tested the web demo (if applicable):
* Using newly built examples:
[app.rerun.io](https://app.rerun.io/pr/5548/index.html)
* Using examples from latest `main` build:
[app.rerun.io](https://app.rerun.io/pr/5548/index.html?manifest_url=https://app.rerun.io/version/main/examples_manifest.json)
* Using full set of examples from `nightly` build:
[app.rerun.io](https://app.rerun.io/pr/5548/index.html?manifest_url=https://app.rerun.io/version/nightly/examples_manifest.json)
* [x] The PR title and labels are set such as to maximize their
usefulness for the next release's CHANGELOG
* [x] If applicable, add a new check to the [release
checklist](https://github.com/rerun-io/rerun/blob/main/tests/python/release_checklist)!

- [PR Build Summary](https://build.rerun.io/pr/5548)
- [Docs
preview](https://rerun.io/preview/62af0e20b1216c2dfc66806d8470966259606981/docs)
<!--DOCS-PREVIEW-->
- [Examples
preview](https://rerun.io/preview/62af0e20b1216c2dfc66806d8470966259606981/examples)
<!--EXAMPLES-PREVIEW-->
- [Recent benchmark results](https://build.rerun.io/graphs/crates.html)
- [Wasm size tracking](https://build.rerun.io/graphs/sizes.html)

Cargo.toml

@@ -283,13 +283,13 @@ debug = true
 # As a last resport, patch with a commit to our own repository.
 # ALWAYS document what PR the commit hash is part of, or when it was merged into the upstream trunk.
 
-ecolor = { git = "https://github.com/emilk/egui.git", rev = "bf7ffb982a6e8c0a40d0871c38bccacef9ee8efb" }      # egui master 2024-03-15
-eframe = { git = "https://github.com/emilk/egui.git", rev = "bf7ffb982a6e8c0a40d0871c38bccacef9ee8efb" }      # egui master 2024-03-15
-egui = { git = "https://github.com/emilk/egui.git", rev = "bf7ffb982a6e8c0a40d0871c38bccacef9ee8efb" }        # egui master 2024-03-15
-egui_extras = { git = "https://github.com/emilk/egui.git", rev = "bf7ffb982a6e8c0a40d0871c38bccacef9ee8efb" } # egui master 2024-03-15
-egui_plot = { git = "https://github.com/emilk/egui.git", rev = "bf7ffb982a6e8c0a40d0871c38bccacef9ee8efb" }   # egui master 2024-03-15
-egui-wgpu = { git = "https://github.com/emilk/egui.git", rev = "bf7ffb982a6e8c0a40d0871c38bccacef9ee8efb" }   # egui master 2024-03-15
-emath = { git = "https://github.com/emilk/egui.git", rev = "bf7ffb982a6e8c0a40d0871c38bccacef9ee8efb" }       # egui master 2024-03-15
+ecolor = { git = "https://github.com/emilk/egui.git", rev = "820fa3c43a2d20e140bc4525e0a1405e7420bb66" }      # egui master 2024-03-17
+eframe = { git = "https://github.com/emilk/egui.git", rev = "820fa3c43a2d20e140bc4525e0a1405e7420bb66" }      # egui master 2024-03-17
+egui = { git = "https://github.com/emilk/egui.git", rev = "820fa3c43a2d20e140bc4525e0a1405e7420bb66" }        # egui master 2024-03-17
+egui_extras = { git = "https://github.com/emilk/egui.git", rev = "820fa3c43a2d20e140bc4525e0a1405e7420bb66" } # egui master 2024-03-17
+egui_plot = { git = "https://github.com/emilk/egui.git", rev = "820fa3c43a2d20e140bc4525e0a1405e7420bb66" }   # egui master 2024-03-17
+egui-wgpu = { git = "https://github.com/emilk/egui.git", rev = "820fa3c43a2d20e140bc4525e0a1405e7420bb66" }   # egui master 2024-03-17
+emath = { git = "https://github.com/emilk/egui.git", rev = "820fa3c43a2d20e140bc4525e0a1405e7420bb66" }       # egui master 2024-03-17
 
 # Useful while developing:
 # ecolor = { path = "../../egui/crates/ecolor" }

crates/re_data_source/src/data_source.rs

@@ -10,6 +10,8 @@ use anyhow::Context as _;
 #[derive(Debug, Clone)]
 pub enum DataSource {
     /// A remote RRD file, served over http.
+    ///
+    /// Could be either an `.rrd` recording or a `.rbl` blueprint.
     RrdHttpUrl(String),
 
     /// A path to a local file.
@@ -86,7 +88,7 @@ impl DataSource {
             DataSource::FilePath(file_source, path)
         } else if uri.starts_with("http://")
             || uri.starts_with("https://")
-            || (uri.starts_with("www.") && uri.ends_with(".rrd"))
+            || (uri.starts_with("www.") && (uri.ends_with(".rrd") || uri.ends_with(".rbl")))
         {
             DataSource::RrdHttpUrl(uri)
         } else if uri.starts_with("ws://") || uri.starts_with("wss://") {
@@ -95,7 +97,7 @@ impl DataSource {
         // Now we are into heuristics territory:
         } else if looks_like_a_file_path(&uri) {
             DataSource::FilePath(file_source, path)
-        } else if uri.ends_with(".rrd") {
+        } else if uri.ends_with(".rrd") || uri.ends_with(".rbl") {
             DataSource::RrdHttpUrl(uri)
         } else {
             // If this is sometyhing like `foo.com` we can't know what it is until we connect to it.
@@ -234,6 +236,7 @@ fn test_data_source_from_uri() {
         "https://foo.zip",
         "example.zip/foo.rrd",
         "www.foo.zip/foo.rrd",
+        "www.foo.zip/blueprint.rbl",
     ];
     let ws = ["ws://foo.zip", "wss://foo.zip", "127.0.0.1"];
 

crates/re_viewer/src/app.rs

@@ -263,6 +263,7 @@ impl App {
     }
 
     pub fn set_examples_manifest_url(&mut self, url: String) {
+        re_log::info!("Using manifest_url={url:?}");
         self.state
             .set_examples_manifest_url(&self.re_ui.egui_ctx, url);
     }

crates/re_viewer/src/web.rs

@@ -133,22 +133,21 @@ fn create_app(
 
     let query_map = &cc.integration_info.web_info.location.query_map;
 
-    let manifest_url = match &manifest_url {
-        Some(url) => Some(url.as_str()),
-        None => query_map.get("manifest_url").map(String::as_str),
-    };
-    if let Some(url) = manifest_url {
-        app.set_examples_manifest_url(url.into());
-        re_log::info!("Using manifest_url={url:?}");
+    if let Some(manifest_url) = manifest_url {
+        app.set_examples_manifest_url(manifest_url.into());
+    } else {
+        for url in query_map.get("manifest_url").into_iter().flatten() {
+            app.set_examples_manifest_url(url.clone());
+        }
     }
 
-    let url = match &url {
-        Some(url) => Some(url.as_str()),
-        None => query_map.get("url").map(String::as_str),
-    };
     if let Some(url) = url {
-        let rx = url_to_receiver(url, egui_ctx.clone());
-        app.add_receiver(rx);
+        app.add_receiver(url_to_receiver(url, egui_ctx));
+    } else {
+        // NOTE: we support passing in multiple urls to multiple different recorording, blueprints, etc
+        for url in query_map.get("url").into_iter().flatten() {
+            app.add_receiver(url_to_receiver(url, egui_ctx.clone()));
+        }
     }
 
     app
@@ -223,6 +222,8 @@ pub fn set_email(email: String) {
 
 enum EndpointCategory {
     /// Could be a local path (`/foo.rrd`) or a remote url (`http://foo.com/bar.rrd`).
+    ///
+    /// Could be a link to either an `.rrd` recording or a `.rbl` blueprint.
     HttpRrd(String),
 
     /// A remote Rerun server.
@@ -233,7 +234,7 @@ enum EndpointCategory {
 }
 
 fn categorize_uri(uri: &str) -> EndpointCategory {
-    if uri.starts_with("http") || uri.ends_with(".rrd") {
+    if uri.starts_with("http") || uri.ends_with(".rrd") || uri.ends_with(".rbl") {
         EndpointCategory::HttpRrd(uri.into())
     } else if uri.starts_with("ws:") || uri.starts_with("wss:") {
         EndpointCategory::WebSocket(uri.into())
@@ -261,21 +262,27 @@ fn get_persist_state(info: &eframe::IntegrationInfo) -> bool {
 
 fn get_query_bool(info: &eframe::IntegrationInfo, key: &str, default: bool) -> bool {
     let default_int = default as i32;
-    match info
-        .web_info
-        .location
-        .query_map
-        .get(key)
-        .map(String::as_str)
-    {
-        Some("0") => false,
-        Some("1") => true,
-        Some(other) => {
+
+    if let Some(values) = info.web_info.location.query_map.get(key) {
+        if values.len() == 1 {
+            match values[0].as_str() {
+                "0" => false,
+                "1" => true,
+                other => {
+                    re_log::warn!(
+                            "Unexpected value for '{key}' query: {other:?}. Expected either '0' or '1'. Defaulting to '{default_int}'."
+                        );
+                    default
+                }
+            }
+        } else {
             re_log::warn!(
-                "Unexpected value for '{key}' query: {other:?}. Expected either '0' or '1'. Defaulting to '{default_int}'."
+                "Found {} values for '{key}' query. Expected one or none. Defaulting to '{default_int}'.",
+                values.len()
             );
             default
         }
-        _ => default,
+    } else {
+        default
     }
 }