From 28593ac70ea473e87f86d7bfd3488f17b6df276b Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Fri, 8 May 2020 10:18:33 +0200
Subject: Added FCGI unix domain sockets

---
 plugins/fcgi/socket.cpp | 62 +++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 60 insertions(+), 2 deletions(-)

(limited to 'plugins/fcgi/socket.cpp')

diff --git a/plugins/fcgi/socket.cpp b/plugins/fcgi/socket.cpp
index 0a2a381..49a8651 100644
--- a/plugins/fcgi/socket.cpp
+++ b/plugins/fcgi/socket.cpp
@@ -29,8 +29,7 @@ std::shared_ptr<Socket> SocketFactory::create(const std::string& app_addr)
   return std::make_shared<TCPSocket>(app_addr.substr(0, pos), app_addr.substr(pos + 1), m_io_context);
  
  } else if (fs::is_socket(fs::path{app_addr})) { // Unix domain socket
-  // TODO
-  std::cerr << "FCGI Error: Unix domain sockets not yet implemented." << std::endl;
+  return std::make_shared<FileSocket>(app_addr, m_io_context);
  } else if (fs::is_regular_file(fs::path{app_addr})) { // Executable to start
   // TODO
   std::cerr << "FCGI Error: Executable FCGI not yet implemented." << std::endl;
@@ -119,3 +118,62 @@ size_t TCPSocket::read(std::vector<char>& data)
  }
 }
 
+FileSocket::FileSocket(const std::string& app_addr, boost::asio::io_context& io_context)
+ : m_app_addr(app_addr)
+ , m_socket(io_context)
+{
+}
+
+FileSocket::~FileSocket()
+{
+}
+
+void FileSocket::open()
+{
+ try {
+  boost::asio::local::stream_protocol::endpoint ep(m_app_addr);
+  m_socket.connect(ep);
+ } catch(const std::exception& ex) {
+  std::cerr << "FCGI Error: Error on connecting to " << m_app_addr << ": " << ex.what() << std::endl;
+  return;
+ }
+}
+
+bool FileSocket::is_open()
+{
+ return m_socket.is_open();
+}
+
+void FileSocket::close()
+{
+ m_socket.close();
+}
+
+size_t FileSocket::write(const std::vector<char>& data)
+{
+ try {
+  return m_socket.write_some(boost::asio::buffer(data));
+ } catch (const boost::system::system_error& ex) {
+  if (ex.code() == boost::asio::error::eof) {
+   throw fcgi_eof_error("EOF on write");
+  } else
+   throw std::runtime_error("FCGI Error: Unknown boost asio exception on write: "s + ex.what());
+ } catch (const std::exception& ex) {
+   throw std::runtime_error("FCGI Error: Unknown exception on write: "s + ex.what());
+ }
+}
+
+size_t FileSocket::read(std::vector<char>& data)
+{
+ try {
+  return m_socket.read_some(boost::asio::buffer(data));
+ } catch (const boost::system::system_error& ex) {
+  if (ex.code() == boost::asio::error::eof) {
+   throw fcgi_eof_error("EOF on read");
+  } else
+   throw std::runtime_error("FCGI Error: Unknown boost asio exception on read: "s + ex.what());
+ } catch (const std::exception& ex) {
+   throw std::runtime_error("FCGI Error: Unknown exception on read: "s + ex.what());
+ }
+}
+
-- 
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