MPD  0.20.18
Multi.hxx
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29 
30 #ifndef CURL_MULTI_HXX
31 #define CURL_MULTI_HXX
32 
33 #include <curl/curl.h>
34 
35 #include <utility>
36 #include <stdexcept>
37 #include <cstddef>
38 
42 class CurlMulti {
43  CURLM *handle = nullptr;
44 
45 public:
52  :handle(curl_multi_init())
53  {
54  if (handle == nullptr)
55  throw std::runtime_error("curl_multi_init() failed");
56  }
57 
61  CurlMulti(std::nullptr_t):handle(nullptr) {}
62 
63  CurlMulti(CurlMulti &&src):handle(std::exchange(src.handle, nullptr)) {}
64 
66  if (handle != nullptr)
67  curl_multi_cleanup(handle);
68  }
69 
70  operator bool() const {
71  return handle != nullptr;
72  }
73 
75  std::swap(handle, src.handle);
76  return *this;
77  }
78 
79  CURLM *Get() {
80  return handle;
81  }
82 
83  template<typename T>
84  void SetOption(CURLMoption option, T value) {
85  auto code = curl_multi_setopt(handle, option, value);
86  if (code != CURLM_OK)
87  throw std::runtime_error(curl_multi_strerror(code));
88  }
89 };
90 
91 #endif
CurlMulti(std::nullptr_t)
Create an empty instance.
Definition: Multi.hxx:61
~CurlMulti()
Definition: Multi.hxx:65
CurlMulti()
Allocate a new CURLM*.
Definition: Multi.hxx:51
CURLM * Get()
Definition: Multi.hxx:79
CurlMulti & operator=(CurlMulti &&src)
Definition: Multi.hxx:74
An OO wrapper for a "CURLM*" (a libCURL "multi" handle).
Definition: Multi.hxx:42
CurlMulti(CurlMulti &&src)
Definition: Multi.hxx:63
void SetOption(CURLMoption option, T value)
Definition: Multi.hxx:84