verbose {httr} | R Documentation |
Give verbose output.
Description
A verbose connection provides much more information about the flow of information between the client and server.
Usage
verbose(data_out = TRUE, data_in = FALSE, info = FALSE, ssl = FALSE)
Arguments
data_out |
Show data sent to the server. |
data_in |
Show data recieved from the server. |
info |
Show informational text from curl. This is mainly useful for debugging https and auth problems, so is disabled by default. |
ssl |
Show even data sent/recieved over SSL connections? |
Prefixes
verbose()
uses the following prefixes to distinguish between
different components of the http messages:
-
*
informative curl messages -
->
headers sent (out) -
>>
data sent (out) -
*>
ssl data sent (out) -
<-
headers received (in) -
<<
data received (in) -
<*
ssl data received (in)
See Also
with_verbose()
makes it easier to use verbose mode
even when the requests are buried inside another function call.
Other config:
add_headers()
,
authenticate()
,
config()
,
set_cookies()
,
timeout()
,
use_proxy()
,
user_agent()
Examples
## Not run:
GET("http://httpbin.org", verbose())
GET("http://httpbin.org", verbose(info = TRUE))
f <- function() {
GET("http://httpbin.org")
}
with_verbose(f())
with_verbose(f(), info = TRUE)
# verbose() makes it easy to see exactly what POST requests send
POST_verbose <- function(body, ...) {
POST("https://httpbin.org/post", body = body, verbose(), ...)
invisible()
}
POST_verbose(list(x = "a", y = "b"))
POST_verbose(list(x = "a", y = "b"), encode = "form")
POST_verbose(FALSE)
POST_verbose(NULL)
POST_verbose("")
POST_verbose("xyz")
## End(Not run)