io: add trace points for websocket HTTP protocol headers

Reviewed-by: Eric Blake <[email protected]> Signed-off-by: Daniel P. Berrange <[email protected]>
n64decomp · Oct 16, 2017 · 0efd6c9 · 0efd6c9
1 parent 6d5d23b
commit 0efd6c9
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diff --git a/io/channel-websock.c b/io/channel-websock.c
@@ -224,6 +224,7 @@ qio_channel_websock_extract_headers(QIOChannelWebsock *ioc,
         goto bad_request;
     }
     *nl = '\0';
+    trace_qio_channel_websock_http_greeting(ioc, buffer);
 
     tmp = strchr(buffer, ' ');
     if (!tmp) {
@@ -425,6 +426,9 @@ static void qio_channel_websock_handshake_process(QIOChannelWebsock *ioc,
         goto bad_request;
     }
 
+    trace_qio_channel_websock_http_request(ioc, protocols, version,
+                                           host, connection, upgrade, key);
+
     if (!g_strrstr(protocols, QIO_CHANNEL_WEBSOCK_PROTOCOL_BINARY)) {
         error_setg(errp, "No '%s' protocol is supported by client '%s'",
                    QIO_CHANNEL_WEBSOCK_PROTOCOL_BINARY, protocols);

diff --git a/io/trace-events b/io/trace-events
@@ -48,6 +48,8 @@ qio_channel_websock_handshake_pending(void *ioc, int status) "Websock handshake
 qio_channel_websock_handshake_reply(void *ioc) "Websock handshake reply ioc=%p"
 qio_channel_websock_handshake_fail(void *ioc, const char *msg) "Websock handshake fail ioc=%p err=%s"
 qio_channel_websock_handshake_complete(void *ioc) "Websock handshake complete ioc=%p"
+qio_channel_websock_http_greeting(void *ioc, const char *greeting) "Websocket HTTP request ioc=%p greeting='%s'"
+qio_channel_websock_http_request(void *ioc, const char *protocols, const char *version, const char *host, const char *connection, const char *upgrade, const char *key) "Websocket HTTP request ioc=%p protocols='%s' version='%s' host='%s' connection='%s' upgrade='%s' key='%s'"
 qio_channel_websock_header_partial_decode(void *ioc, size_t payloadlen, unsigned char fin, unsigned char opcode, unsigned char has_mask) "Websocket header decoded ioc=%p payload-len=%zu fin=0x%x opcode=0x%x has_mask=0x%x"
 qio_channel_websock_header_full_decode(void *ioc, size_t headerlen, size_t payloadlen, uint32_t mask) "Websocket header decoded ioc=%p header-len=%zu payload-len=%zu mask=0x%x"
 qio_channel_websock_payload_decode(void *ioc, uint8_t opcode, size_t payload_remain) "Websocket header decoded ioc=%p opcode=0x%x payload-remain=%zu"