Add logs of what's going on - Simple RIAA activity tracer

src/tests/libxrpl/net/HTTPClient.cpp

@@ -29,6 +29,7 @@
 #include <doctest/doctest.h>
 
 #include <atomic>
+#include <iostream>
 #include <map>
 #include <thread>
 
@@ -36,6 +37,40 @@ using namespace ripple;
 
 namespace {
 
+struct logger
+{
+    std::string name;
+    logger const* const parent = nullptr;
+    static std::size_t depth;
+    logger(std::string n) : name(n)
+    {
+        std::clog << indent() << name << " begin\n";
+        ++depth;
+    }
+
+    logger(logger const& p, std::string n) : parent(&p), name(n)
+    {
+        std::clog << indent() << parent->name << " : " << name << " begin\n";
+        ++depth;
+    }
+
+    ~logger()
+    {
+        --depth;
+        if (parent)
+            std::clog << indent() << parent->name << " : " << name << " end\n";
+        else
+            std::clog << indent() << name << " end\n";
+    }
+
+    std::string
+    indent()
+    {
+        return std::string(depth, ' ');
+    }
+};
+std::size_t logger::depth = 0;
+
 // Simple HTTP server using Beast for testing
 class TestHTTPServer
 {
@@ -54,6 +89,7 @@ private:
 public:
     TestHTTPServer() : acceptor_(ioc_), port_(0)
     {
+        logger l("TestHTTPServer()");
         // Bind to any available port
         endpoint_ = {boost::asio::ip::tcp::v4(), 0};
         acceptor_.open(endpoint_.protocol());
@@ -69,6 +105,7 @@ public:
 
     ~TestHTTPServer()
     {
+        logger l("~TestHTTPServer()");
         stop();
     }
 
@@ -106,6 +143,7 @@ private:
     void
     stop()
     {
+        logger l("TestHTTPServer::stop");
         running_ = false;
         acceptor_.close();
     }
@@ -113,6 +151,7 @@ private:
     void
     accept()
     {
+        logger l("TestHTTPServer::accept");
         if (!running_)
             return;
 
@@ -134,31 +173,37 @@ private:
     void
     handleConnection(boost::asio::ip::tcp::socket socket)
     {
+        logger l("TestHTTPServer::handleConnection");
         try
         {
+            std::optional<logger> r(std::in_place, l, "read the http request");
             // Read the HTTP request
             boost::beast::flat_buffer buffer;
             boost::beast::http::request<boost::beast::http::string_body> req;
             boost::beast::http::read(socket, buffer, req);
 
             // Create response
+            r.emplace(l, "create response");
             boost::beast::http::response<boost::beast::http::string_body> res;
             res.version(req.version());
             res.result(status_code_);
             res.set(boost::beast::http::field::server, "TestServer");
 
             // Add custom headers
+            r.emplace(l, "add custom headers");
             for (auto const& [name, value] : custom_headers_)
             {
                 res.set(name, value);
             }
 
             // Set body and prepare payload first
+            r.emplace(l, "set body and prepare payload");
             res.body() = response_body_;
             res.prepare_payload();
 
             // Override Content-Length with custom headers after prepare_payload
             // This allows us to test case-insensitive header parsing
+            r.emplace(l, "override content-length");
             for (auto const& [name, value] : custom_headers_)
             {
                 if (boost::iequals(name, "Content-Length"))
@@ -169,20 +214,26 @@ private:
             }
 
             // Send response
+            r.emplace(l, "send response");
             boost::beast::http::write(socket, res);
 
             // Shutdown socket gracefully
+            r.emplace(l, "shutdown socket");
             boost::system::error_code ec;
             socket.shutdown(boost::asio::ip::tcp::socket::shutdown_send, ec);
         }
         catch (std::exception const&)
         {
             // Connection handling errors are expected
+            logger c(l, "catch");
         }
 
         if (running_)
+        {
+            logger r(l, "accept");
             accept();
         }
+    }
 };
 
 // Helper function to run HTTP client test
@@ -195,12 +246,16 @@ runHTTPTest(
     std::string& result_data,
     boost::system::error_code& result_error)
 {
+    logger l("runHTTPTest");
     // Create a null journal for testing
     beast::Journal j{beast::Journal::getNullSink()};
 
+    std::optional<logger> r(std::in_place, l, "initializeSSLContext");
+
     // Initialize HTTPClient SSL context
     HTTPClient::initializeSSLContext("", "", false, j);
 
+    r.emplace(l, "HTTPClient::get");
     HTTPClient::get(
         false,  // no SSL
         server.ioc(),
@@ -225,6 +280,7 @@ runHTTPTest(
     while (!completed &&
            std::chrono::steady_clock::now() - start < std::chrono::seconds(10))
     {
+        r.emplace(l, "ioc.run_one");
         if (server.ioc().run_one() == 0)
         {
             break;
@@ -238,6 +294,8 @@ runHTTPTest(
 
 TEST_CASE("HTTPClient case insensitive Content-Length")
 {
+    logger l("HTTPClient case insensitive Content-Length");
+
     // Test different cases of Content-Length header
     std::vector<std::string> header_cases = {
         "Content-Length",  // Standard case
@@ -249,6 +307,7 @@ TEST_CASE("HTTPClient case insensitive Content-Length")
 
     for (auto const& header_name : header_cases)
     {
+        logger h(l, header_name);
         TestHTTPServer server;
         std::string test_body = "Hello World!";
         server.setResponseBody(test_body);
@@ -277,6 +336,7 @@ TEST_CASE("HTTPClient case insensitive Content-Length")
 
 TEST_CASE("HTTPClient basic HTTP request")
 {
+    logger l("HTTPClient basic HTTP request");
     TestHTTPServer server;
     std::string test_body = "Test response body";
     server.setResponseBody(test_body);
@@ -298,6 +358,7 @@ TEST_CASE("HTTPClient basic HTTP request")
 
 TEST_CASE("HTTPClient empty response")
 {
+    logger l("HTTPClient empty response");
     TestHTTPServer server;
     server.setResponseBody("");  // Empty body
     server.setHeader("Content-Length", "0");
@@ -318,6 +379,7 @@ TEST_CASE("HTTPClient empty response")
 
 TEST_CASE("HTTPClient different status codes")
 {
+    logger l("HTTPClient different status codes");
     std::vector<unsigned int> status_codes = {200, 404, 500};
 
     for (auto status : status_codes)