Add Md5 beginning computation

Author: ryanmcdermott

devserver/BUILD

@@ -1,6 +1,12 @@
 filegroup(
     name = "main",
-    srcs = glob(["main.cc", "httplib/httplib.h", "argparse/argparse.h", "json/json.h"]),
+    srcs = glob([
+        "main.cc", 
+        "httplib/httplib.h", 
+        "argparse/argparse.h", 
+        "json/json.h",
+        "md5/md5.h",
+    ]),
     visibility = ["//visibility:public"],
 )
 

devserver/defs.bzl

@@ -14,4 +14,5 @@ def devserver(name, port, static_file, workspace_name, data = []):
         data = data + [Label("@rules_devserver//devserver:devserver_loader")],
         deps = ["@bazel_tools//tools/cpp/runfiles"],
         linkopts = ["-lpthread"],
+        copts = ["-fpermissive"],
     )

devserver/devserver_loader.js

@@ -1 +1,11 @@
-console.log("inside devserver_loader.js");
+console.log("inside devserver_loader.js");
+
+setInterval(() => {
+    fetch("/devserver/manifest")
+        .then(function (response) {
+            return response.json();
+        })
+        .then(function (manifest) {
+            console.warn(manifest);
+        })
+}, 1000);

devserver/json/LICENSE

@@ -0,0 +1,21 @@
+MIT License 
+
+Copyright (c) 2013-2022 Niels Lohmann
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

devserver/main.cc

@@ -3,13 +3,16 @@
 // #include "external/rules_devserver/devserver/argparse/argparse.h"
 // #include "external/rules_devserver/devserver/httplib/httplib.h"
 // #include "external/rules_devserver/devserver/json/json.h"
+// #include "external/rules_devserver/devserver/md5/md5.h"
 
 #include "devserver/argparse/argparse.h"
 #include "devserver/httplib/httplib.h"
 #include "devserver/json/json.h"
+#include "devserver/md5/md5.h"
 #include "tools/cpp/runfiles/runfiles.h"
 
 using bazel::tools::cpp::runfiles::Runfiles;
+using ::nlohmann::json;
 
 #define DEBUG true
 #define DEBUG_LOG(msg) \
@@ -33,6 +36,14 @@ std::string GetFileContents(const std::string &path) {
   return content;
 }
 
+json ComputeManifest() {
+  json manifest;
+
+  manifest["manifest"] = {{"/", "123"}};
+
+  return manifest;
+}
+
 std::string GetDevserverLoaderScriptContents(
     const std::string &workspace_root) {
   const std::string devserver_loader_path =
@@ -49,7 +60,7 @@ std::string AddDevserverLoaderToStaticFileContents(
     const std::string &static_file_contents) {
   const std::regex re("<\\/head>");
   const std::string replacement =
-      "<script src=\"/devserver_loader.js\"></script></head>";
+      "<script src=\"/devserver/devserver_loader.js\"></script></head>";
   std::string static_file_contents_with_devserver_loader =
       std::regex_replace(static_file_contents, re, replacement);
 
@@ -135,11 +146,17 @@ int main(int argc, char **argv) {
     res.set_content(static_file_contents, "text/html");
   });
 
-  svr.Get("/devserver_loader.js", [&workspace_root](const httplib::Request &req,
-                                                    httplib::Response &res) {
-    res.set_content(GetDevserverLoaderScriptContents(workspace_root),
-                    "text/javascript");
-  });
+  svr.Get(
+      "/devserver/devserver_loader.js",
+      [&workspace_root](const httplib::Request &req, httplib::Response &res) {
+        res.set_content(GetDevserverLoaderScriptContents(workspace_root),
+                        "text/javascript");
+      });
+
+  svr.Get("/devserver/manifest",
+          [](const httplib::Request &req, httplib::Response &res) {
+            res.set_content(ComputeManifest().dump(), "application/json");
+          });
 
   svr.listen(kHost, port);
 }