[C++/poco] Upgrade to Latest Version and Increase Max Connections (#9433)

* Upgrade docker image, g++ version, c++ standard, and poco version.

* Increasing max connections, thread priority, and disabling blocking.

* Adding README file.

frameworks/C++/poco/README.md

@@ -0,0 +1,15 @@
+# POCO C++ Libraries Benchmarking Test
+
+- [POCO Github Repository](https://github.com/pocoproject/poco)
+- [POCO Website](https://pocoproject.org/)
+
+## Software Versions
+
+- [buildpack-deps noble](https://hub.docker.com/_/buildpack-deps)
+- [g++ 14](https://gcc.gnu.org/gcc-14/)
+- [c++17](https://en.cppreference.com/w/cpp/17)
+- [POCO 1.13.1](https://pocoproject.org/releases/poco-1.13.1/poco-1.13.1-all.zip)
+ 
+## Test URLs
+
+- `PLAINTEXT` - [http://127.0.0.1:8080/plaintext](http://127.0.0.1:8080/plaintext) 

frameworks/C++/poco/benchmark.cpp

@@ -6,6 +6,8 @@
 #include <Poco/Net/HTTPServerRequest.h>
 #include <Poco/Net/HTTPServerResponse.h>
 #include <Poco/Util/ServerApplication.h>
+#include <Poco/Timespan.h>
+#include <Poco/Thread.h>
 
 #include <iostream>
 #include <string>
@@ -15,7 +17,9 @@
 #define PLAIN_CONTENT_TYPE   "text/plain"
 #define RES_BODY             "Hello, World!"
 #define SERVER_NAME          "poco"
+#define MAX_CONNECTIONS      16384
 
+using namespace Poco;
 using namespace Poco::Net;
 using namespace Poco::Util;
 using namespace std;
@@ -58,7 +62,12 @@ protected:
         HTTPServerParams* hsp = new HTTPServerParams;
         hsp->setMaxThreads(stoi(args[1]));
         hsp->setKeepAlive(true);
-        HTTPServer s(new MyRequestHandlerFactory, ServerSocket(stoi(args[0]), 4000), hsp);
+        hsp->setMaxKeepAliveRequests(MAX_CONNECTIONS);
+        hsp->setMaxQueued(MAX_CONNECTIONS);
+        hsp->setThreadPriority(Thread::PRIO_HIGHEST);
+        ServerSocket socket(stoi(args[0]), MAX_CONNECTIONS);
+        socket.setBlocking(false);
+        HTTPServer s(new MyRequestHandlerFactory, socket, hsp);
         s.start();
         waitForTerminationRequest();
         s.stop();

frameworks/C++/poco/poco.dockerfile

@@ -1,11 +1,11 @@
-FROM buildpack-deps:xenial
+FROM buildpack-deps:noble
 
 RUN apt-get update -yqq && apt-get install -yqq software-properties-common unzip cmake
 
-RUN apt-get install -yqq g++-4.8 libjson0-dev
-RUN update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.8 50
+RUN apt-get install -yqq g++-14
+RUN update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-14 50
 
-ENV POCO_VERSION 1.6.1
+ENV POCO_VERSION 1.13.3
 ENV POCO_HOME /poco
 
 WORKDIR ${POCO_HOME}
@@ -20,10 +20,10 @@ ENV LD_LIBRARY_PATH ${POCO_HOME}/lib/Linux/x86_64
 
 COPY benchmark.cpp benchmark.cpp
 
-RUN g++-4.8 \
+RUN g++-14 \
     -O3 \
     -DNDEBUG \
-    -std=c++0x \
+    -std=c++17 \
     -o \
     poco \
     benchmark.cpp \