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NE_SET_USERAGENT(3)			neon API reference		      NE_SET_USERAGENT(3)

       ne_set_useragent,  ne_set_persist, ne_set_read_timeout, ne_set_expect100 - common settings
       for HTTP sessions

       #include <ne_session.h>

       void ne_set_useragent (ne_session *session, const char *product);

       void ne_set_persist (ne_session *session, int flag);

       void ne_set_read_timeout (ne_session *session, int timeout);

       void ne_set_expect100 (ne_session *session, int flag);

       The User-Agent request header is used to identify the software which generated the request
       for  statistical  or  debugging	purposes. neon does not send a User-Agent header unless a
       call is made to the ne_set_useragent. ne_set_useragent must be  passed  a  product  string
       conforming to RFC2616's product token grammar; of the form "Product/Version".

       By  default neon will use a persistent connection whenever possible. For specific applica-
       tions, or for debugging purposes, it is sometimes useful  to  disable  persistent  connec-
       tions.  The  ne_set_persist  function will disable persistent connections if passed a flag
       parameter of 0, and will enable them otherwise.

       When neon reads from a socket, by default the read operation will time out after  60  sec-
       onds,  and the request will fail giving an NE_TIMEOUT error. To configure this timeout in-
       terval, call ne_set_read_timeout giving the desired number of seconds as the  timeout  pa-

       An  extension introduced in the HTTP/1.1 specification was the use of the Expect: 100-con-
       tinue header. This header allows an HTTP client to be informed of  the  expected  response
       status before the request message body is sent: a useful optimisation for situations where
       a large message body is to be sent. The ne_set_expect100 function can be  used  to  enable
       this feature by passing the flag parameter as any non-zero integer.


	      Unfortunately, if this header is sent to a server which is not fully compliant with
	      the HTTP/1.1 specification, a deadlock occurs resulting  in  a  temporarily  "hung"
	      connection.  neon  will recover gracefully from this situation, but only after a 15
	      second timeout. It is highly recommended that this option is not enabled unless  it
	      is known that the server in use correctly implements Expect: 100-continue support.

       Set a user-agent string:

       ne_session *sess = ne_session_create(...);
       ne_set_useragent(sess, "MyApplication/2.1");

       Disable use of persistent connections:

       ne_session *sess = ne_session_create(...);
       ne_set_persist(sess, 0);

       Set a 30 second read timeout:

       ne_session *sess = ne_session_create(...);
       ne_set_read_timeout(sess, 30);

       Joe Orton <neon@webdav.org>.

neon 0.23.5				  8 October 2002		      NE_SET_USERAGENT(3)
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