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/** |
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* This file is part of the CernVM File System. |
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*/ |
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#include "publisher_http.h" |
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#include "duplex_curl.h" |
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#include "util/logging.h" |
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#include "util/string.h" |
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namespace { |
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const LogFacilities &kLogError = DefaultLogging::error; |
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struct CurlBuffer { |
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std::string data; |
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}; |
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size_t RecvCB(void *buffer, size_t size, size_t nmemb, void *userp) { |
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CurlBuffer *my_buffer = static_cast<CurlBuffer *>(userp); |
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if (size * nmemb < 1) { |
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return 0; |
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} |
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my_buffer->data = static_cast<char *>(buffer); |
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return my_buffer->data.size(); |
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} |
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} // namespace |
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namespace notify { |
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PublisherHTTP::PublisherHTTP(const std::string &server_url) |
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: server_url_(server_url + "/notifications/publish") { } |
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PublisherHTTP::~PublisherHTTP() { } |
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bool PublisherHTTP::Publish(const std::string &msg, const std::string &topic) { |
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const char *user_agent_string = "cvmfs/" CVMFS_VERSION; |
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CURL *h_curl = curl_easy_init(); |
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if (h_curl) { |
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curl_easy_setopt(h_curl, CURLOPT_NOPROGRESS, 1L); |
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curl_easy_setopt(h_curl, CURLOPT_USERAGENT, user_agent_string); |
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curl_easy_setopt(h_curl, CURLOPT_MAXREDIRS, 50L); |
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curl_easy_setopt(h_curl, CURLOPT_CUSTOMREQUEST, "POST"); |
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} |
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if (!h_curl) { |
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LogCvmfs(kLogCvmfs, kLogError, "Error initializing CURL context."); |
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return false; |
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} |
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CurlBuffer buffer; |
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// Make request to acquire lease from repo services |
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curl_easy_setopt(h_curl, CURLOPT_URL, server_url_.c_str()); |
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curl_easy_setopt(h_curl, CURLOPT_POSTFIELDSIZE_LARGE, |
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static_cast<curl_off_t>(msg.length())); |
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curl_easy_setopt(h_curl, CURLOPT_POSTFIELDS, msg.c_str()); |
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curl_easy_setopt(h_curl, CURLOPT_WRITEFUNCTION, RecvCB); |
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curl_easy_setopt(h_curl, CURLOPT_WRITEDATA, &buffer); |
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const CURLcode ret = curl_easy_perform(h_curl); |
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if (ret) { |
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LogCvmfs(kLogCvmfs, kLogError, "POST request failed: %d. Reply: %s", ret, |
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buffer.data.c_str()); |
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} |
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curl_easy_cleanup(h_curl); |
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h_curl = NULL; |
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return !ret; |
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} |
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} // namespace notify |
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