CURLOPT_WS_OPTIONS(3)

1CURLOPT_WS_OPTIONS(3)      curl_easy_setopt options      CURLOPT_WS_OPTIONS(3)
2
3
4

NAME

6       CURLOPT_WS_OPTIONS - WebSocket behavior options
7

SYNOPSIS

9       #include <curl/curl.h>
10
11       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_WS_OPTIONS, long bitmask);
12

DESCRIPTION

14       Pass a long with a bitmask to tell libcurl about specific WebSocket be‐
15       haviors.
16
17       To detach a  WebSocket  connection  and  use  the  curl_ws_send(3)  and
18       curl_ws_recv(3)  functions  after  the  HTTP upgrade procedure, set the
19       CURLOPT_CONNECT_ONLY(3) option to 2L.
20
21       Available bits in the bitmask
22
23       CURLWS_RAW_MODE (1)
24              Deliver "raw" WebSocket traffic to the  CURLOPT_WRITEFUNCTION(3)
25              callback.
26
27              In  raw  mode,  libcurl does not handle pings or any other frame
28              for the application.
29

DEFAULT

31       0
32

PROTOCOLS

34       WebSocket
35

EXAMPLE

37       CURL *curl = curl_easy_init();
38       if(curl) {
39         curl_easy_setopt(curl, CURLOPT_URL, "ws://example.com/");
40         /* tell curl we deal with all the WebSocket magic ourselves */
41         curl_easy_setopt(curl, CURLOPT_WS_OPTIONS, (long)CURLWS_RAW_MODE);
42         ret = curl_easy_perform(curl);
43         curl_easy_cleanup(curl);
44       }
45

AVAILABILITY

47       Added in 7.86.0
48

RETURN VALUE

50       Returns CURLE_OK if the option is supported,  and  CURLE_UNKNOWN_OPTION
51       if not.
52