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#include "CurlTask.h"
Balau::CurlTask::CurlTask() {
m_curlHandle = curl_easy_init();
curl_easy_setopt(m_curlHandle, CURLOPT_HEADERFUNCTION, reinterpret_cast<curl_write_callback>(headerFunctionStatic));
curl_easy_setopt(m_curlHandle, CURLOPT_HEADERDATA, this);
curl_easy_setopt(m_curlHandle, CURLOPT_WRITEFUNCTION, reinterpret_cast<curl_write_callback>(writeFunctionStatic));
curl_easy_setopt(m_curlHandle, CURLOPT_WRITEDATA, this);
curl_easy_setopt(m_curlHandle, CURLOPT_READFUNCTION, reinterpret_cast<curl_read_callback>(readFunctionStatic));
curl_easy_setopt(m_curlHandle, CURLOPT_READDATA, this);
curl_easy_setopt(m_curlHandle, CURLOPT_DEBUGFUNCTION, reinterpret_cast<curl_debug_callback>(debugFunctionStatic));
curl_easy_setopt(m_curlHandle, CURLOPT_DEBUGDATA, this);
}
Balau::CurlTask::~CurlTask() {
unregisterCurlHandle();
curl_easy_cleanup(m_curlHandle);
}
size_t Balau::CurlTask::headerFunctionStatic(char * ptr, size_t size, size_t nmemb, void * userdata) {
CurlTask * curlTask = (CurlTask *) userdata;
return curlTask->headerFunction(ptr, size * nmemb);
}
size_t Balau::CurlTask::writeFunctionStatic(char * ptr, size_t size, size_t nmemb, void * userdata) {
CurlTask * curlTask = (CurlTask *) userdata;
return curlTask->writeFunction(ptr, size * nmemb);
}
size_t Balau::CurlTask::readFunctionStatic(void * ptr, size_t size, size_t nmemb, void * userdata) {
CurlTask * curlTask = (CurlTask *) userdata;
return curlTask->readFunction(ptr, size * nmemb);
}
int Balau::CurlTask::debugFunctionStatic(CURL * easy, curl_infotype info, char * str, size_t str_len, void * userdata) {
CurlTask * curlTask = (CurlTask *) userdata;
IAssert(easy == curlTask->m_curlHandle, "Got a debug callback for a handle that isn't our own.");
return curlTask->debugFunction(info, str, str_len);
}
Balau::String Balau::CurlTask::percentEncode(const String & src) {
const size_t size = src.strlen();
String ret;
ret.reserve(size);
static char toHex[] = "0123456789ABCDEF";
for (size_t i = 0; i < size; i++) {
char c = src[i];
if (((c >= '0') && (c <= '9')) || ((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z')) || (c == '-') || (c == '.') || (c == '_') || (c == '~')) {
ret += c;
} else {
ret += '%';
ret += toHex[c >> 4];
ret += toHex[c & 15];
}
}
return ret;
}
Balau::String Balau::CurlTask::percentDecode(const String & src) {
const size_t size = src.strlen();
String ret;
ret.reserve(size);
for (size_t i = 0; i < size; i++) {
char c = src[i];
if (((c >= '0') && (c <= '9')) || ((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z')) || (c == '-') || (c == '.') || (c == '_') || (c == '~')) {
ret += c;
} else if ((c == '%') && ((i + 2) < size)) {
char h1 = src[i + 1];
char h2 = src[i + 2];
if ((h1 >= '0') && (h1 <= '9')) {
c = h1 - '0';
} else if ((h1 >= 'A') && (h1 <= 'F')) {
c = h1 - 'A' + 10;
} else {
// invalid
return ret;
}
c <<= 4;
if ((h2 >= '0') && (h2 <= '9')) {
c |= h2 - '0';
} else if ((h2 >= 'A') && (h2 <= 'F')) {
c |= h2 - 'A' + 10;
} else {
// invalid
return ret;
}
i += 2;
} else {
// invalid
return ret;
}
}
return ret;
}
std::vector<Balau::String> Balau::CurlTask::tokenize(const String & str, const String & delimiters, bool trimEmpty) {
std::vector<String> tokens;
size_t pos, lastPos = 0;
for (;;) {
pos = str.find_first_of(delimiters, lastPos);
if (pos == String::npos) {
pos = str.strlen();
if ((pos != lastPos) || !trimEmpty)
tokens.push_back(str.extract(lastPos, pos));
return tokens;
} else {
if ((pos != lastPos) || !trimEmpty)
tokens.push_back(str.extract(lastPos, pos));
}
lastPos = pos + 1;
}
}
Balau::DownloadTask::DownloadTask(const Balau::String & url) {
curl_easy_setopt(m_curlHandle, CURLOPT_URL, url.to_charp());
m_name.set("DownloadTask(%s)", url.to_charp());
}
void Balau::DownloadTask::Do() {
if (m_state) {
downloadDone();
return;
}
m_state = 1;
registerCurlHandle();
waitFor(&m_evt);
yield();
}
void Balau::DownloadTask::curlDone(CURLcode result) {
m_curlResult = result;
curl_easy_getinfo(m_curlHandle, CURLINFO_RESPONSE_CODE, &m_responseCode);
m_evt.doSignal();
m_done = true;
}
Balau::HttpDownloadTask::~HttpDownloadTask() {
curl_slist_free_all(m_headers);
m_headers = NULL;
}
void Balau::HttpDownloadTask::addHeader(const String & header) {
m_headers = curl_slist_append(m_headers, header.to_charp());
}
void Balau::HttpDownloadTask::prepareRequest() {
if (m_headers)
curl_easy_setopt(m_curlHandle, CURLOPT_HTTPHEADER, m_headers);
}
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