C++ HTTPHeaderMap::begin方法代码示例

void ResourceRequestBase::addHTTPHeaderFields(const HTTPHeaderMap& headerFields)
{
    HTTPHeaderMap::const_iterator end = headerFields.end();
    for (HTTPHeaderMap::const_iterator it = headerFields.begin(); it != end; ++it)
        addHTTPHeaderField(it->first, it->second);
}

bool ArgumentCoder<ResourceResponse>::decode(ArgumentDecoder& decoder, ResourceResponse& resourceResponse)
{
#if PLATFORM(MAC)
    bool hasSerializedWebCoreData;
    if (!decoder.decode(hasSerializedWebCoreData))
        return false;
#else
    bool hasSerializedWebCoreData = true;
#endif

    ResourceResponse response;

    if (!decodePlatformData(decoder, response))
        return false;

    if (hasSerializedWebCoreData) {
        bool responseIsNull;
        if (!decoder.decode(responseIsNull))
            return false;
        if (responseIsNull) {
            resourceResponse = ResourceResponse();
            return true;
        }

        String url;
        if (!decoder.decode(url))
            return false;
        response.setURL(KURL(KURL(), url));

        int32_t httpStatusCode;
        if (!decoder.decode(httpStatusCode))
            return false;
        response.setHTTPStatusCode(httpStatusCode);

        HTTPHeaderMap headers;
        if (!decoder.decode(headers))
            return false;
        for (HTTPHeaderMap::const_iterator it = headers.begin(), end = headers.end(); it != end; ++it)
            response.setHTTPHeaderField(it->key, it->value);

        String mimeType;
        if (!decoder.decode(mimeType))
            return false;
        response.setMimeType(mimeType);

        String textEncodingName;
        if (!decoder.decode(textEncodingName))
            return false;
        response.setTextEncodingName(textEncodingName);

        int64_t contentLength;
        if (!decoder.decode(contentLength))
            return false;
        response.setExpectedContentLength(contentLength);

        String httpStatusText;
        if (!decoder.decode(httpStatusText))
            return false;
        response.setHTTPStatusText(httpStatusText);

        String suggestedFilename;
        if (!decoder.decode(suggestedFilename))
            return false;
        response.setSuggestedFilename(suggestedFilename);
    }

    resourceResponse = response;

    return true;
}

void ResourceHandleManager::initializeHandle(ResourceHandle* job)
{
    KURL kurl = job->request().url();

    // Remove any fragment part, otherwise curl will send it as part of the request.
    kurl.removeRef();

    ResourceHandleInternal* d = job->getInternal();
    String url = kurl.string();

    if (kurl.isLocalFile()) {
        String query = kurl.query();
        // Remove any query part sent to a local file.
        if (!query.isEmpty())
            url = url.left(url.find(query));
        // Determine the MIME type based on the path.
        d->m_response.setMimeType(MIMETypeRegistry::getMIMETypeForPath(url));
    }

    d->m_handle = curl_easy_init();
#ifndef NDEBUG
    if (getenv("DEBUG_CURL"))
        curl_easy_setopt(d->m_handle, CURLOPT_VERBOSE, 1);
#endif
    curl_easy_setopt(d->m_handle, CURLOPT_PRIVATE, job);
    curl_easy_setopt(d->m_handle, CURLOPT_ERRORBUFFER, m_curlErrorBuffer);
    curl_easy_setopt(d->m_handle, CURLOPT_WRITEFUNCTION, writeCallback);
    curl_easy_setopt(d->m_handle, CURLOPT_WRITEDATA, job);
    curl_easy_setopt(d->m_handle, CURLOPT_HEADERFUNCTION, headerCallback);
    curl_easy_setopt(d->m_handle, CURLOPT_WRITEHEADER, job);
    curl_easy_setopt(d->m_handle, CURLOPT_AUTOREFERER, 1);
    curl_easy_setopt(d->m_handle, CURLOPT_FOLLOWLOCATION, 1);
    curl_easy_setopt(d->m_handle, CURLOPT_MAXREDIRS, 10);
    curl_easy_setopt(d->m_handle, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
    curl_easy_setopt(d->m_handle, CURLOPT_SHARE, m_curlShareHandle);
    curl_easy_setopt(d->m_handle, CURLOPT_DNS_CACHE_TIMEOUT, 60 * 5); // 5 minutes
    // FIXME: Enable SSL verification when we have a way of shipping certs
    // and/or reporting SSL errors to the user.
    if (ignoreSSLErrors)
        curl_easy_setopt(d->m_handle, CURLOPT_SSL_VERIFYPEER, false);
    // enable gzip and deflate through Accept-Encoding:
    curl_easy_setopt(d->m_handle, CURLOPT_ENCODING, "");

    // url must remain valid through the request
    ASSERT(!d->m_url);

    // url is in ASCII so latin1() will only convert it to char* without character translation.
    d->m_url = strdup(url.latin1().data());
    curl_easy_setopt(d->m_handle, CURLOPT_URL, d->m_url);

    if (m_cookieJarFileName) {
        curl_easy_setopt(d->m_handle, CURLOPT_COOKIEFILE, m_cookieJarFileName);
        curl_easy_setopt(d->m_handle, CURLOPT_COOKIEJAR, m_cookieJarFileName);
    }

    struct curl_slist* headers = 0;
    if (job->request().httpHeaderFields().size() > 0) {
        HTTPHeaderMap customHeaders = job->request().httpHeaderFields();
        HTTPHeaderMap::const_iterator end = customHeaders.end();
        for (HTTPHeaderMap::const_iterator it = customHeaders.begin(); it != end; ++it) {
            String key = it->first;
            String value = it->second;
            String headerString(key);
            headerString.append(": ");
            headerString.append(value);
            CString headerLatin1 = headerString.latin1();
            headers = curl_slist_append(headers, headerLatin1.data());
        }
    }

    if ("GET" == job->request().httpMethod())
        curl_easy_setopt(d->m_handle, CURLOPT_HTTPGET, TRUE);
    else if ("POST" == job->request().httpMethod())
        setupPOST(job, &headers);
    else if ("PUT" == job->request().httpMethod())
        setupPUT(job, &headers);
    else if ("HEAD" == job->request().httpMethod())
        curl_easy_setopt(d->m_handle, CURLOPT_NOBODY, TRUE);

    if (headers) {
        curl_easy_setopt(d->m_handle, CURLOPT_HTTPHEADER, headers);
        d->m_customHeaders = headers;
    }
}

void ResourceHandleManager::startJob(ResourceHandle* job)
{
    ResourceHandleInternal* d = job->getInternal();
    DeprecatedString url = job->request().url().url();
    d->m_handle = curl_easy_init();
#ifndef NDEBUG
    if (getenv("DEBUG_CURL"))
        curl_easy_setopt(d->m_handle, CURLOPT_VERBOSE, 1);
#endif
    curl_easy_setopt(d->m_handle, CURLOPT_PRIVATE, job);
    curl_easy_setopt(d->m_handle, CURLOPT_ERRORBUFFER, m_curlErrorBuffer);
    curl_easy_setopt(d->m_handle, CURLOPT_WRITEFUNCTION, writeCallback);
    curl_easy_setopt(d->m_handle, CURLOPT_WRITEDATA, job);
    curl_easy_setopt(d->m_handle, CURLOPT_HEADERFUNCTION, headerCallback);
    curl_easy_setopt(d->m_handle, CURLOPT_WRITEHEADER, job);
    curl_easy_setopt(d->m_handle, CURLOPT_AUTOREFERER, 1);
    curl_easy_setopt(d->m_handle, CURLOPT_FOLLOWLOCATION, 1);
    curl_easy_setopt(d->m_handle, CURLOPT_MAXREDIRS, 10);
    curl_easy_setopt(d->m_handle, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
    curl_easy_setopt(d->m_handle, CURLOPT_SHARE, m_curlShareHandle);
    curl_easy_setopt(d->m_handle, CURLOPT_DNS_CACHE_TIMEOUT, 60 * 5); // 5 minutes
    // enable gzip and deflate through Accept-Encoding:
    curl_easy_setopt(d->m_handle, CURLOPT_ENCODING, "");

    // url must remain valid through the request
    ASSERT(!d->m_url);
    d->m_url = strdup(url.ascii());
    curl_easy_setopt(d->m_handle, CURLOPT_URL, d->m_url);

    if (m_cookieJarFileName) {
        curl_easy_setopt(d->m_handle, CURLOPT_COOKIEFILE, m_cookieJarFileName);
        curl_easy_setopt(d->m_handle, CURLOPT_COOKIEJAR, m_cookieJarFileName);
    }

    if (job->request().httpHeaderFields().size() > 0) {
        struct curl_slist* headers = 0;
        HTTPHeaderMap customHeaders = job->request().httpHeaderFields();
        HTTPHeaderMap::const_iterator end = customHeaders.end();
        for (HTTPHeaderMap::const_iterator it = customHeaders.begin(); it != end; ++it) {
            String key = it->first;
            String value = it->second;
            String headerString(key);
            headerString.append(": ");
            headerString.append(value);
            CString headerLatin1 = headerString.latin1();
            headers = curl_slist_append(headers, headerLatin1.data());
        }
        curl_easy_setopt(d->m_handle, CURLOPT_HTTPHEADER, headers);
        d->m_customHeaders = headers;
    }

    if ("GET" == job->request().httpMethod())
        curl_easy_setopt(d->m_handle, CURLOPT_HTTPGET, TRUE);
    else if ("POST" == job->request().httpMethod())
        setupPOST(job);
    else if ("PUT" == job->request().httpMethod())
        setupPUT(job);
    else if ("HEAD" == job->request().httpMethod())
        curl_easy_setopt(d->m_handle, CURLOPT_NOBODY, TRUE);

    CURLMcode ret = curl_multi_add_handle(m_curlMultiHandle, d->m_handle);
    // don't call perform, because events must be async
    // timeout will occur and do curl_multi_perform
    if (ret && ret != CURLM_CALL_MULTI_PERFORM) {
#ifndef NDEBUG
        printf("Error %d starting job %s\n", ret, job->request().url().url().ascii());
#endif
        job->cancel();
        return;
    }
}

void ResourceRequest::addHTTPHeaderFields(const HTTPHeaderMap& headerFields)
{
    HTTPHeaderMap::const_iterator end = headerFields.end();
    for (HTTPHeaderMap::const_iterator it = headerFields.begin(); it != end; ++it)
        addHTTPHeaderField(it->key, it->value);
}