int dm_obtain_route

(int uplink_socket, int detect_loop_flag,
  const char* current_uplink )

obtain the route information from uplink, and also return 1 if it needs a relinking.

Documentation

obtain the route information from uplink, and also return 1 if it needs a relinking.

this function is called from the "upstream linker", accessing the uplink.

Parameters:
uplink_socket - File descriptor for already open uplink socket connection.
detect_loop_flag - whether to detect loops.
current_uplink - current uplink name.
Returns:
uplink changed flag. 1 if uplink needs to be changed, 0 if not.

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