From 702d32b41c1c4f496dba046c2017cb5b907e55cd Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Thu, 12 Jan 2023 20:00:40 +0100
Subject: FCGI test

---
 tests/fastcgiprocess.cpp | 115 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 tests/fastcgiprocess.cpp

(limited to 'tests/fastcgiprocess.cpp')

diff --git a/tests/fastcgiprocess.cpp b/tests/fastcgiprocess.cpp
new file mode 100644
index 0000000..53b9d04
--- /dev/null
+++ b/tests/fastcgiprocess.cpp
@@ -0,0 +1,115 @@
+#include "fastcgiprocess.h"
+
+#include <boost/algorithm/string.hpp>
+#include <boost/beast/core.hpp>
+#include <boost/beast/http.hpp>
+#include <boost/beast/websocket.hpp>
+#include <boost/beast/websocket/ssl.hpp>
+#include <boost/beast/ssl.hpp>
+#include <boost/beast/version.hpp>
+#include <boost/asio/buffer.hpp>
+#include <boost/asio/buffers_iterator.hpp>
+#include <boost/asio/connect.hpp>
+#include <boost/asio/ip/tcp.hpp>
+#include <boost/asio/ssl/error.hpp>
+#include <boost/asio/ssl/stream.hpp>
+#include <boost/property_tree/ptree.hpp>
+#include <boost/property_tree/xml_parser.hpp>
+
+#include <signal.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+
+#include <libreichwein/file.h>
+#include <libreichwein/process.h>
+
+#include "helper.h"
+
+using namespace std::string_literals;
+namespace fs = std::filesystem;
+namespace pt = boost::property_tree;
+using namespace boost::unit_test;
+using namespace Reichwein;
+
+#define FCGI_LISTENSOCK_FILENO 0
+
+FastCGIProcess::FastCGIProcess(const std::filesystem::path& path, const std::string& host, unsigned short port):
+ m_pid{},
+ m_command{path.generic_string()},
+ m_host{host},
+ m_port{port}
+{
+ start();
+}
+
+FastCGIProcess::~FastCGIProcess()
+{
+ stop();
+}
+
+void FastCGIProcess::start()
+{
+ if (m_pid != 0)
+  throw std::runtime_error("Process already running, so it can't be started");
+
+ m_pid = fork();
+ if (m_pid < 0)
+  throw std::runtime_error("Fork unsuccessful.");
+
+ if (m_pid == 0) { // child process branch
+  try {
+   boost::asio::io_context ioc;
+   boost::asio::ip::tcp::resolver resolver(ioc);
+   auto const results = resolver.resolve(m_host.c_str(), std::to_string(m_port).c_str());
+   if (results.begin() == results.end())
+    std::runtime_error("no resolve result");
+   boost::asio::ip::tcp::endpoint endpoint{*results.begin()};
+   boost::asio::ip::tcp::acceptor acceptor(ioc);
+   acceptor.open(endpoint.protocol());
+   acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
+   acceptor.bind(endpoint);
+   acceptor.listen();
+   int fd{acceptor.native_handle()};
+
+   if (fd != FCGI_LISTENSOCK_FILENO) {
+    close(FCGI_LISTENSOCK_FILENO);
+    dup2(fd, FCGI_LISTENSOCK_FILENO);
+    close(fd);
+   }
+
+   execl(m_command.c_str(),  m_command.c_str(), (const char*)nullptr);
+  } catch (const std::exception& ex) {
+   std::cout << "FastCGI process error: " << ex.what() << std::endl;
+  }
+  exit(0);
+ }
+
+ // wait for server to start up
+ wait_for_pid_listening_on(m_pid, m_port);
+ std::this_thread::sleep_for(std::chrono::milliseconds(10));
+}
+
+void FastCGIProcess::stop()
+{
+ if (m_pid == 0)
+  throw std::runtime_error("Process not running, so it can't be stopped");
+ 
+ if (kill(m_pid, SIGTERM) != 0)
+  throw std::runtime_error("Unable to kill process");
+
+ if (int result = waitpid(m_pid, NULL, 0); result != m_pid)
+  throw std::runtime_error("waitpid returned "s + std::to_string(result));
+
+ m_pid = 0;
+}
+
+bool FastCGIProcess::is_running()
+{
+ if (m_pid == 0)
+  return false;
+
+ return Reichwein::Process::is_running(m_pid);
+}
+
-- 
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