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+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2015 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef SHRPX_WORKER_PROCESS_H
+#define SHRPX_WORKER_PROCESS_H
+
+#include "shrpx.h"
+
+#include <vector>
+#include <array>
+
+#include "shrpx_connection_handler.h"
+#ifdef ENABLE_HTTP3
+#  include "shrpx_quic.h"
+#endif // ENABLE_HTTP3
+
+namespace shrpx {
+
+class ConnectionHandler;
+
+struct WorkerProcessConfig {
+  // IPC socket to read event from main process
+  int ipc_fd;
+  // IPv4 or UNIX domain socket, or -1 if not used
+  int server_fd;
+  // IPv6 socket, or -1 if not used
+  int server_fd6;
+#ifdef ENABLE_HTTP3
+  // CID prefixes for the new worker process.
+  std::vector<std::array<uint8_t, SHRPX_QUIC_CID_PREFIXLEN>> cid_prefixes;
+  // IPC socket to read forwarded QUIC UDP datagram from the current
+  // worker process.
+  int quic_ipc_fd;
+  // Lingering worker processes which were created before this worker
+  // process to forward QUIC UDP datagram during reload.
+  std::vector<QUICLingeringWorkerProcess> quic_lingering_worker_processes;
+#endif // ENABLE_HTTP3
+};
+
+int worker_process_event_loop(WorkerProcessConfig *wpconf);
+
+} // namespace shrpx
+
+#endif // SHRPX_WORKER_PROCESS_H