-/* Copyright (c) 2015-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2015-2023. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include <type_traits>
-namespace simgrid {
-namespace mc {
+namespace simgrid::mc {
-/** A channel for exchanging messages between model-checker and model-checked
+/** A channel for exchanging messages between model-checker and model-checked app
*
* This abstracts away the way the messages are transferred. Currently, they
* are sent over a (connected) `SOCK_SEQPACKET` socket.
*/
class Channel {
int socket_ = -1;
- template <class M> static constexpr bool messageType()
- {
- return std::is_class<M>::value && std::is_trivial<M>::value;
- }
+ template <class M> static constexpr bool messageType() { return std::is_class_v<M> && std::is_trivial_v<M>; }
public:
Channel() = default;
Channel(Channel const&) = delete;
Channel& operator=(Channel const&) = delete;
- // Move:
- Channel(Channel&& that) : socket_(that.socket_) { that.socket_ = -1; }
- Channel& operator=(Channel&& that)
- {
- this->socket_ = that.socket_;
- that.socket_ = -1;
- return *this;
- }
-
// Send
int send(const void* message, size_t size) const;
- int send(e_mc_message_type type) const
+ int send(MessageType type) const
{
s_mc_message_t message = {type};
return this->send(&message, sizeof(message));
}
/** @brief Send a message; returns 0 on success or errno on failure */
- template <class M> typename std::enable_if<messageType<M>(), int>::type send(M const& m) const
+ template <class M> typename std::enable_if_t<messageType<M>(), int> send(M const& m) const
{
return this->send(&m, sizeof(M));
}
// Receive
- ssize_t receive(void* message, size_t size, bool block = true) const;
- template <class M> typename std::enable_if<messageType<M>(), ssize_t>::type receive(M& m) const
+ ssize_t receive(void* message, size_t size) const;
+ template <class M> typename std::enable_if_t<messageType<M>(), ssize_t> receive(M& m) const
{
return this->receive(&m, sizeof(M));
}
- int getSocket() const { return socket_; }
+ // Socket handling
+ int get_socket() const { return socket_; }
+ void reset_socket(int socket) { socket_ = socket; }
};
-}
-}
+} // namespace simgrid::mc
#endif