GCoAP Forward Proxy

Forward proxy implementation for GCoAP. More...

Detailed Description

Forward proxy implementation for GCoAP.

Note

Does not support CoAPS yet.

See also

RFC 7252

Modules
	GCoAP compile configurations

Files
file	forward_proxy.h
	Definitions for the GCoAP forward proxy.

Functions
void	gcoap_forward_proxy_init (void)
	Registers a listener for forward proxy operation.
int	gcoap_forward_proxy_request_process (coap_pkt_t *pkt, const sock_udp_ep_t *client, const sock_udp_ep_t *local)
	Handles proxied requests.
void	gcoap_forward_proxy_find_req_memo (gcoap_request_memo_t **memo_ptr, coap_pkt_t *src_pdu, const sock_udp_ep_t *remote)
	Finds the memo for an outstanding request within the _coap_state.open_reqs array.

Function Documentation

gcoap_forward_proxy_find_req_memo()

void gcoap_forward_proxy_find_req_memo	(	gcoap_request_memo_t **	memo_ptr,
		coap_pkt_t *	src_pdu,
		const sock_udp_ep_t *	remote
	)

Finds the memo for an outstanding request within the _coap_state.open_reqs array.

Matches on remote endpoint and token.

Parameters

[out]	memo_ptr	Registered request memo, or NULL if not found
[in]	src_pdu	PDU for token to match
[in]	remote	Remote endpoint to match

gcoap_forward_proxy_request_process()

int gcoap_forward_proxy_request_process	(	coap_pkt_t *	pkt,
		const sock_udp_ep_t *	client,
		const sock_udp_ep_t *	local
	)

Handles proxied requests.

Parameters

[in]	pkt	Packet to parse
[in]	client	Endpoint of the client
[in]	local	Local endpoint

Returns

0 if parsing was successful

-ENOTSUP if the forward proxy is not compiled in

-ENOENT if pkt does not contain a Proxy-Uri option

-EINVAL if Proxy-Uri is malformed