Synchronous Client Interface

Functions
int	afdt_sync_client (const char *fname, const uint8_t *request, uint32_t request_length, uint8_t *response, uint32_t *response_length, int *received_fd, const struct timeval *timeout, struct afdt_error_t *err)
	Request a file descriptor from a server. More...

Detailed Description

The synchronous interface provides a very simple function allowing clients to communicate with servers using the asynchronous interface. The function is blocking, but supports an optional timeout.

Function Documentation

int afdt_sync_client	(	const char *	fname,
		const uint8_t *	request,
		uint32_t	request_length,
		uint8_t *	response,
		uint32_t *	response_length,
		int *	received_fd,
		const struct timeval *	timeout,
		struct afdt_error_t *	err
	)

Request a file descriptor from a server.

Parameters

fname	File to connect PF_LOCAL socket to.
request	Request buffer to send.
request_length	Length of request.
response	Buffer for response.
response_length	Pointer to response length, returns with actual length.
received_fd	Returns with received fd, or <0 if none.
timeout	Timeout when waiting for response, or NULL.
err	Structure to populate with error information.

Returns

>=0 if successful, <0 on failure.