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LibCURL

Julia wrapper for libcurl

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LibCURL.jl

Julia wrapper for libCURL

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This is a simple Julia wrapper around http://curl.haxx.se/libcurl/ generated using Clang.jl. Please see the libcurl API documentation for help on how to use this package.

Example (fetch a URL)

using LibCURL

# init a curl handle
curl = curl_easy_init()

# set the URL and request to follow redirects
curl_easy_setopt(curl, CURLOPT_URL, "http://example.com")
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1)


# setup the callback function to recv data
function curl_write_cb(curlbuf::Ptr{Cvoid}, s::Csize_t, n::Csize_t, p_ctxt::Ptr{Cvoid})
    sz = s * n
    data = Array{UInt8}(undef, sz)

    ccall(:memcpy, Ptr{Cvoid}, (Ptr{Cvoid}, Ptr{Cvoid}, UInt64), data, curlbuf, sz)
    println("recd: ", String(data))

    sz::Csize_t
end

c_curl_write_cb = @cfunction(curl_write_cb, Csize_t, (Ptr{Cvoid}, Csize_t, Csize_t, Ptr{Cvoid}))
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, c_curl_write_cb)


# execute the query
res = curl_easy_perform(curl)
println("curl url exec response : ", res)

# retrieve HTTP code
http_code = Array{Clong}(undef, 1)
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, http_code)
println("httpcode : ", http_code)

# release handle
curl_easy_cleanup(curl)

Binaries

This package uses the LibCURL_jll binary package to install compiled libCURL binaries on all supported platforms. The following products are defined in the jll

  • libcurl: A LibraryProduct referencing the shared library
  • curl: An ExecutableProduct referencing the binary

This package also uses the MozillaCACerts_jll package to supply the Mozilla CA root certificate bundle. Note that the cacert symbol is re-exported from this package for ease of use.

  • cacert: A FileProduct referencing the Mozilla CA certificate bundle

SSL certificates

Making SSL/TLS connections usually needs access to a CA certificate to validate peers. The Mozilla CA bundle can be used via this package. To use this certificate bundle, set the following option:

curl_easy_setopt(curl, CURLOPT_CAINFO, LibCURL.cacert)

First Commit

03/18/2013

Last Touched

14 days ago

Commits

128 commits

Requires: