Complete an asynchronous HTTP request
complete.RdThis is a generic function that is used within the RCurl package to force the completion of an HTTP request. If the request is asynchronous, this essentially blocks until the request is completed by repeatedly asking for more information to be retrieved from the HTTP connection.
Arguments
- obj
the object which is to be completed. This is typically a
MultiCURLHandle-classinstance.- ...
additional arguments intended to be used by specific methods.
Value
The value is typically not of interest, but rather the side effect of processing the pending requests.
References
https://curl.se/, specifically the multi interface of libcurl.
Examples
if (FALSE) # it does not exist
if(url.exists("http://eeyore.ucdavis.edu/cgi-bin/testForm1.pl")) {
f = system.file("NAMESPACE", package = "RCurl")
postForm("http://eeyore.ucdavis.edu/cgi-bin/testForm1.pl",
"fileData" = fileUpload(f))
postForm("http://eeyore.ucdavis.edu/cgi-bin/testForm1.pl",
"fileData" = fileUpload("",
paste(readLines(f), collapse = "\n"),
"text/plain"))
postForm("http://eeyore.ucdavis.edu/cgi-bin/testForm1.pl",
"fileData" = fileUpload(f,
paste(readLines(f), collapse = "\n")
),
.opts = list(verbose = TRUE, header = TRUE))
} # \dontrun{}