ILHandler - Role C Gateway's TCP/IP server for the ONE multiplexed IL sim connection and the ONE dedicated relay link to/from each of A and B (ADR-036). Every train's ROUTE_ADD / ROUTE_RELEASE rides these single links, demuxed by the envelope's train_id in A/B; this handler forwards frames verbatim. More...

#include "gateway_c_types.h"

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Data Structures
struct	gateway_c_il_handler_state_t

Functions
sapi_status_t	gateway_c_il_handler_init (gateway_c_context_t *ctx)
void	gateway_c_il_handler_execute (gateway_c_context_t *ctx, uint32_t cycle)
void	gateway_c_il_handler_shutdown (void)
bool	gateway_c_il_handler_check_link_down (sapi_timestamp_ms_t threshold_ms, sapi_timestamp_ms_t now_ms, char *out_which, size_t which_size)
void	gateway_c_il_handler_broadcast_to_ab (const uint8_t bytes[RBC_ENVELOPE_WIRE_SIZE])
	Sends one RBC_ENVELOPE_WIRE_SIZE frame to BOTH A and B on the IL relay link. Used by gateway_c_logctl.c to fan a diagnostic RBC_MSG_SET_LOG_LEVEL control frame out to the pair; the IL link is the one C<->AB link A/B always poll from C (Train is bidirectional, CTC is AB->C only). Best-effort: a send error is logged, not returned.

Detailed Description

ILHandler - Role C Gateway's TCP/IP server for the ONE multiplexed IL sim connection and the ONE dedicated relay link to/from each of A and B (ADR-036). Every train's ROUTE_ADD / ROUTE_RELEASE rides these single links, demuxed by the envelope's train_id in A/B; this handler forwards frames verbatim.

Definition in file gateway_c_il_handler.h.

Function Documentation

◆ gateway_c_il_handler_broadcast_to_ab()

void gateway_c_il_handler_broadcast_to_ab ( const uint8_t bytes[RBC_ENVELOPE_WIRE_SIZE] )

Sends one RBC_ENVELOPE_WIRE_SIZE frame to BOTH A and B on the IL relay link. Used by gateway_c_logctl.c to fan a diagnostic RBC_MSG_SET_LOG_LEVEL control frame out to the pair; the IL link is the one C<->AB link A/B always poll from C (Train is bidirectional, CTC is AB->C only). Best-effort: a send error is logged, not returned.

Definition at line 34 of file gateway_c_il_handler.c.

◆ gateway_c_il_handler_check_link_down()

bool gateway_c_il_handler_check_link_down	(	sapi_timestamp_ms_t	threshold_ms,
		sapi_timestamp_ms_t	now_ms,
		char *	out_which,
		size_t	which_size )

Definition at line 215 of file gateway_c_il_handler.c.

◆ gateway_c_il_handler_execute()

void gateway_c_il_handler_execute	(	gateway_c_context_t *	ctx,
		uint32_t	cycle )

Definition at line 102 of file gateway_c_il_handler.c.

◆ gateway_c_il_handler_init()

sapi_status_t gateway_c_il_handler_init ( gateway_c_context_t * ctx )

Definition at line 40 of file gateway_c_il_handler.c.

◆ gateway_c_il_handler_shutdown()

void gateway_c_il_handler_shutdown ( void )

Definition at line 208 of file gateway_c_il_handler.c.

Data Structures