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-rw-r--r--src/lib/http/server.cpp86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/lib/http/server.cpp b/src/lib/http/server.cpp
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+++ b/src/lib/http/server.cpp
@@ -0,0 +1,86 @@
+// license:Boost
+// copyright-holders:Christopher M. Kohlhoff
+
+#include "server.hpp"
+#include <signal.h>
+#include <utility>
+
+namespace http {
+namespace server {
+
+server::server(const std::string& address, const std::string& port, const std::string& doc_root)
+ : m_io_context(1),
+ m_signals(m_io_context),
+ m_acceptor(m_io_context),
+ m_connection_manager(),
+ m_request_handler(doc_root)
+{
+ // Register to handle the signals that indicate when the server should exit.
+ // It is safe to register for the same signal multiple times in a program,
+ // provided all registration for the specified signal is made through Asio.
+ m_signals.add(SIGINT);
+ m_signals.add(SIGTERM);
+#if defined(SIGQUIT)
+ signals_.add(SIGQUIT);
+#endif // defined(SIGQUIT)
+
+ do_await_stop();
+
+ // Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR).
+ asio::ip::tcp::resolver resolver(m_io_context);
+ asio::ip::tcp::endpoint endpoint =
+ *resolver.resolve(address, port).begin();
+ m_acceptor.open(endpoint.protocol());
+ m_acceptor.set_option(asio::ip::tcp::acceptor::reuse_address(true));
+ m_acceptor.bind(endpoint);
+ m_acceptor.listen();
+
+ do_accept();
+}
+
+void server::run()
+{
+ // The io_context::run() call will block until all asynchronous operations
+ // have finished. While the server is running, there is always at least one
+ // asynchronous operation outstanding: the asynchronous accept call waiting
+ // for new incoming connections.
+ m_io_context.run();
+}
+
+void server::do_accept()
+{
+ m_acceptor.async_accept(
+ [this](std::error_code ec, asio::ip::tcp::socket socket)
+ {
+ // Check whether the server was stopped by a signal before this
+ // completion handler had a chance to run.
+ if (!m_acceptor.is_open())
+ {
+ return;
+ }
+
+ if (!ec)
+ {
+ m_connection_manager.start(std::make_shared<connection>(
+ std::move(socket), m_connection_manager, m_request_handler));
+ }
+
+ do_accept();
+ });
+}
+
+void server::do_await_stop()
+{
+ m_signals.async_wait(
+ [this](std::error_code /*ec*/, int /*signo*/)
+ {
+ // The server is stopped by cancelling all outstanding asynchronous
+ // operations. Once all operations have finished the io_context::run()
+ // call will exit.
+ m_acceptor.close();
+ m_connection_manager.stop_all();
+ });
+}
+
+} // namespace server
+} // namespace http