rsocket_mux_fds

#pragma once
 
#include <randolf/rsocket>
 
namespace randolf {
 
  /*======================================================================*//**
  @brief
  Internal structure that @ref rsocket_mux uses to store @ref rsocket objects
  with their intended fds/fd_set relations.  The vector that this structure is
  used to generate fds tables.
  @see rsocket_mux
  *///=========================================================================
  struct rsocket_mux_fds {
    /// Pointer to instantiated rsocket object
    rsocket* r;
    /// Flags for intended fd_set array relations (e.g., @c POLLIN, @c POLLOUT, @c POLLERR, etc.)
    int      fd_sets;
 
    /*======================================================================*//**
    @brief
    Built-in comparison operator used by @c std::set for ordering rsocket objects
    by their underlying socket descriptors because this is what is needed for
    internal muxing by POSIX's @c select(), @c poll(), etc. functions.
    @returns Underlying socket handle
    *///=========================================================================
    bool operator<(/// This rsocket_mux_fds structure
                   const rsocket_mux_fds& rmf) const {
      return r->socket_fd() < rmf.r->socket_fd();
    }; // -x- bool < -x-
 
  }; // -x- struct rsocket_mux_fds -x-
 
}; // -x- namespace randolf -x-