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introduce LWS_CALLBACK_FILTER_HTTP_CONNECTION

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Signed-off-by: Andy Green <andy.green@linaro.org>
This commit is contained in:
Andy Green 2013-11-09 11:59:56 +08:00
parent 6cd8880f23
commit 19895bcfd4
2 changed files with 18 additions and 0 deletions
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5
lib/handshake.c
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@ -145,6 +145,11 @@ libwebsocket_read(struct libwebsocket_context *context,
n = 0; n = 0;
if (wsi->protocol->callback) if (wsi->protocol->callback)
n = wsi->protocol->callback(context, wsi,
LWS_CALLBACK_FILTER_HTTP_CONNECTION,
wsi->user_space, uri_ptr, uri_len);
if (!n && wsi->protocol->callback)
n = wsi->protocol->callback(context, wsi, n = wsi->protocol->callback(context, wsi,
LWS_CALLBACK_HTTP, LWS_CALLBACK_HTTP,
wsi->user_space, uri_ptr, uri_len); wsi->user_space, uri_ptr, uri_len);

13
lib/libwebsockets.h
View file

@ -148,6 +148,7 @@ enum libwebsocket_callback_reasons {
LWS_CALLBACK_HTTP_FILE_COMPLETION, LWS_CALLBACK_HTTP_FILE_COMPLETION,
LWS_CALLBACK_HTTP_WRITEABLE, LWS_CALLBACK_HTTP_WRITEABLE,
LWS_CALLBACK_FILTER_NETWORK_CONNECTION, LWS_CALLBACK_FILTER_NETWORK_CONNECTION,
LWS_CALLBACK_FILTER_HTTP_CONNECTION,
LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION, LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION,
LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS, LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS,
LWS_CALLBACK_OPENSSL_LOAD_EXTRA_SERVER_VERIFY_CERTS, LWS_CALLBACK_OPENSSL_LOAD_EXTRA_SERVER_VERIFY_CERTS,
@ -492,6 +493,18 @@ struct libwebsocket_extension;
* Because this happens immediately after the network connection * Because this happens immediately after the network connection
* from the client, there's no websocket protocol selected yet so * from the client, there's no websocket protocol selected yet so
* this callback is issued only to protocol 0. * this callback is issued only to protocol 0.
*
* LWS_CALLBACK_FILTER_HTTP_CONNECTION: called when the request has
* been received and parsed from the client, but the response is
* not sent yet. Return non-zero to disallow the connection.
* @user is a pointer to the connection user space allocation,
* @in is the URI, eg, "/"
* In your handler you can use the public APIs
* lws_hdr_total_length() / lws_hdr_copy() to access all of the
* headers using the header enums lws_token_indexes from
* libwebsockets.h to check for and read the supported header
* presence and content before deciding to allow the http
* connection to proceed or to kill the connection.
* *
* LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION: called when the handshake has * LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION: called when the handshake has
* been received and parsed from the client, but the response is * been received and parsed from the client, but the response is