XRootD
XrdTpcTPC.cc
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2 #include "XrdNet/XrdNetAddr.hh"
3 #include "XrdNet/XrdNetUtils.hh"
4 #include "XrdOuc/XrdOucEnv.hh"
5 #include "XrdSec/XrdSecEntity.hh"
8 #include "XrdSys/XrdSysFD.hh"
9 #include "XrdVersion.hh"
10 
12 #include "XrdOuc/XrdOucTUtils.hh"
13 #include "XrdTpc/XrdTpcUtils.hh"
14 
15 #include <curl/curl.h>
16 
17 #include <dlfcn.h>
18 #include <fcntl.h>
19 
20 #include <algorithm>
21 #include <memory>
22 #include <sstream>
23 #include <stdexcept>
24 #include <thread>
25 #include <iostream> // Delete later!!!
26 
27 #include "XrdTpcState.hh"
28 #include "XrdTpcStream.hh"
29 #include "XrdTpcTPC.hh"
30 #include "XrdTpcCurlMulti.hh"
31 #include <fstream>
32 
33 using namespace TPC;
34 
35 XrdXrootdTpcMon* TPCHandler::TPCLogRecord::tpcMonitor = 0;
36 
37 uint64_t TPCHandler::m_monid{0};
38 int TPCHandler::m_marker_period = 5;
39 size_t TPCHandler::m_block_size = 16*1024*1024;
40 size_t TPCHandler::m_small_block_size = 1*1024*1024;
41 XrdSysMutex TPCHandler::m_monid_mutex;
42 
44 
45 /******************************************************************************/
46 /* T P C H a n d l e r : : T P C L o g R e c o r d D e s t r u c t o r */
47 /******************************************************************************/
48 
49 TPCHandler::TPCLogRecord::~TPCLogRecord()
50 {
51 // Record monitoring data is enabled
52 //
53  if (tpcMonitor)
54  {XrdXrootdTpcMon::TpcInfo monInfo;
55 
56  monInfo.clID = clID.c_str();
57  monInfo.begT = begT;
58  gettimeofday(&monInfo.endT, 0);
59 
60  if (log_prefix == "PullRequest")
61  {monInfo.dstURL = local.c_str();
62  monInfo.srcURL = remote.c_str();
63  } else {
64  monInfo.dstURL = remote.c_str();
65  monInfo.srcURL = local.c_str();
67  }
68 
69  if (!status) monInfo.endRC = 0;
70  else if (tpc_status > 0) monInfo.endRC = tpc_status;
71  else monInfo.endRC = 1;
72  monInfo.strm = static_cast<unsigned char>(streams);
73  monInfo.fSize = (bytes_transferred < 0 ? 0 : bytes_transferred);
74  if (!isIPv6) monInfo.opts |= XrdXrootdTpcMon::TpcInfo::isIPv4;
75 
76  tpcMonitor->Report(monInfo);
77  }
78 }
79 
80 /******************************************************************************/
81 /* C u r l D e l e t e r : : o p e r a t o r ( ) */
82 /******************************************************************************/
83 
85 {
86  if (curl) curl_easy_cleanup(curl);
87 }
88 
89 /******************************************************************************/
90 /* s o c k o p t _ s e t c l o e x e c _ c a l l b a c k */
91 /******************************************************************************/
92 
101 int TPCHandler::sockopt_callback(void *clientp, curl_socket_t curlfd, curlsocktype purpose) {
102  TPCLogRecord * rec = (TPCLogRecord *)clientp;
103  if (purpose == CURLSOCKTYPE_IPCXN && rec && rec->pmarkManager.isEnabled()) {
104  // We will not reach this callback if the corresponding socket could not have been connected
105  // the socket is already connected only if the packet marking is enabled
106  return CURL_SOCKOPT_ALREADY_CONNECTED;
107  }
108  return CURL_SOCKOPT_OK;
109 }
110 
111 /******************************************************************************/
112 /* o p e n s o c k e t _ c a l l b a c k */
113 /******************************************************************************/
114 
115 
120 int TPCHandler::opensocket_callback(void *clientp,
121  curlsocktype purpose,
122  struct curl_sockaddr *aInfo)
123 {
124  //Return a socket file descriptor (note the clo_exec flag will be set).
125  int fd = XrdSysFD_Socket(aInfo->family, aInfo->socktype, aInfo->protocol);
126  // See what kind of address will be used to connect
127  //
128  if(fd < 0) {
129  return CURL_SOCKET_BAD;
130  }
131  TPCLogRecord * rec = (TPCLogRecord *)clientp;
132  if (purpose == CURLSOCKTYPE_IPCXN && clientp)
133  {XrdNetAddr thePeer(&(aInfo->addr));
134  rec->isIPv6 = (thePeer.isIPType(XrdNetAddrInfo::IPv6)
135  && !thePeer.isMapped());
136  std::stringstream connectErrMsg;
137 
138  if(!rec->pmarkManager.connect(fd, &(aInfo->addr), aInfo->addrlen, CONNECT_TIMEOUT, connectErrMsg)) {
139  rec->m_log->Emsg(rec->log_prefix.c_str(),"Unable to connect socket:", connectErrMsg.str().c_str());
140  return CURL_SOCKET_BAD;
141  }
142  }
143 
144  return fd;
145 }
146 
147 int TPCHandler::closesocket_callback(void *clientp, curl_socket_t fd) {
148  TPCLogRecord * rec = (TPCLogRecord *)clientp;
149 
150  // Destroy the PMark handle associated to the file descriptor before closing it.
151  // Otherwise, we would lose the socket usage information if the socket is closed before
152  // the PMark handle is closed.
153  rec->pmarkManager.endPmark(fd);
154 
155  return close(fd);
156 }
157 
158 /******************************************************************************/
159 /* p r e p a r e U R L */
160 /******************************************************************************/
161 
162 // We need to utilize the full URL (including the query string), not just the
163 // resource name. The query portion is hidden in the `xrd-http-query` header;
164 // we take this out and combine it with the resource name.
165 // We also append the value of the headers configured in tpc.header2cgi to the resource full URL
166 //
167 // One special key is `authz`; this is always stripped out and copied to the Authorization
168 // header (which will later be used for XrdSecEntity). The latter copy is only done if
169 // the Authorization header is not already present.
170 //
171 // hasSetOpaque will be set to true if at least one opaque data has been set in the URL that is returned,
172 // false otherwise
173 std::string TPCHandler::prepareURL(XrdHttpExtReq &req, bool & hasSetOpaque) {
174  return XrdTpcUtils::prepareOpenURL(req.resource, req.headers,hdr2cgimap,hasSetOpaque);
175 }
176 
177 std::string TPCHandler::prepareURL(XrdHttpExtReq &req) {
178  bool foundHeader;
179  return prepareURL(req,foundHeader);
180 }
181 
182 /******************************************************************************/
183 /* e n c o d e _ x r o o t d _ o p a q u e _ t o _ u r i */
184 /******************************************************************************/
185 
186 // When processing a redirection from the filesystem layer, it is permitted to return
187 // some xrootd opaque data. The quoting rules for xrootd opaque data are significantly
188 // more permissive than a URI (basically, only '&' and '=' are disallowed while some
189 // URI parsers may dislike characters like '"'). This function takes an opaque string
190 // (e.g., foo=1&bar=2&baz=") and makes it safe for all URI parsers.
191 std::string encode_xrootd_opaque_to_uri(CURL *curl, const std::string &opaque)
192 {
193  std::stringstream parser(opaque);
194  std::string sequence;
195  std::stringstream output;
196  bool first = true;
197  while (getline(parser, sequence, '&')) {
198  if (sequence.empty()) {continue;}
199  size_t equal_pos = sequence.find('=');
200  char *val = NULL;
201  if (equal_pos != std::string::npos)
202  val = curl_easy_escape(curl, sequence.c_str() + equal_pos + 1, sequence.size() - equal_pos - 1);
203  // Do not emit parameter if value exists and escaping failed.
204  if (!val && equal_pos != std::string::npos) {continue;}
205 
206  if (!first) output << "&";
207  first = false;
208  output << sequence.substr(0, equal_pos);
209  if (val) {
210  output << "=" << val;
211  curl_free(val);
212  }
213  }
214  return output.str();
215 }
216 
217 /******************************************************************************/
218 /* T P C H a n d l e r : : C o n f i g u r e C u r l C A */
219 /******************************************************************************/
220 
221 void
222 TPCHandler::ConfigureCurlCA(CURL *curl)
223 {
224  auto ca_filename = m_ca_file ? m_ca_file->CAFilename() : "";
225  auto crl_filename = m_ca_file ? m_ca_file->CRLFilename() : "";
226  if (!ca_filename.empty() && !crl_filename.empty()) {
227  curl_easy_setopt(curl, CURLOPT_CAINFO, ca_filename.c_str());
228  //Check that the CRL file contains at least one entry before setting this option to curl
229  //Indeed, an empty CRL file will make curl unhappy and therefore will fail
230  //all HTTP TPC transfers (https://github.com/xrootd/xrootd/issues/1543)
231  std::ifstream in(crl_filename, std::ifstream::ate | std::ifstream::binary);
232  if(in.tellg() > 0 && m_ca_file->atLeastOneValidCRLFound()){
233  curl_easy_setopt(curl, CURLOPT_CRLFILE, crl_filename.c_str());
234  } else {
235  std::ostringstream oss;
236  oss << "No valid CRL file has been found in the file " << crl_filename << ". Disabling CRL checking.";
237  m_log.Log(Warning,"TpcHandler",oss.str().c_str());
238  }
239  }
240  else if (!m_cadir.empty()) {
241  curl_easy_setopt(curl, CURLOPT_CAPATH, m_cadir.c_str());
242  }
243  if (!m_cafile.empty()) {
244  curl_easy_setopt(curl, CURLOPT_CAINFO, m_cafile.c_str());
245  }
246 }
247 
248 
249 bool TPCHandler::MatchesPath(const char *verb, const char *path) {
250  return !strcmp(verb, "COPY") || !strcmp(verb, "OPTIONS");
251 }
252 
253 /******************************************************************************/
254 /* P r e p a r e U R L */
255 /******************************************************************************/
256 
257 static std::string PrepareURL(const std::string &input) {
258  if (!strncmp(input.c_str(), "davs://", 7)) {
259  return "https://" + input.substr(7);
260  }
261  return input;
262 }
263 
264 /******************************************************************************/
265 /* T P C H a n d l e r : : P r o c e s s R e q */
266 /******************************************************************************/
267 
269  if (req.verb == "OPTIONS") {
270  return ProcessOptionsReq(req);
271  }
272  auto header = XrdOucTUtils::caseInsensitiveFind(req.headers,"credential");
273  if (header != req.headers.end()) {
274  if (header->second != "none") {
275  m_log.Emsg("ProcessReq", "COPY requested an unsupported credential type: ", header->second.c_str());
276  return req.SendSimpleResp(400, NULL, NULL, "COPY requestd an unsupported Credential type", 0);
277  }
278  }
279  header = XrdOucTUtils::caseInsensitiveFind(req.headers,"source");
280  if (header != req.headers.end()) {
281  std::string src = PrepareURL(header->second);
282  return ProcessPullReq(src, req);
283  }
284  header = XrdOucTUtils::caseInsensitiveFind(req.headers,"destination");
285  if (header != req.headers.end()) {
286  return ProcessPushReq(header->second, req);
287  }
288  m_log.Emsg("ProcessReq", "COPY verb requested but no source or destination specified.");
289  return req.SendSimpleResp(400, NULL, NULL, "No Source or Destination specified", 0);
290 }
291 
292 /******************************************************************************/
293 /* T P C H a n d l e r D e s t r u c t o r */
294 /******************************************************************************/
295 
297  m_sfs = NULL;
298 }
299 
300 /******************************************************************************/
301 /* T P C H a n d l e r C o n s t r u c t o r */
302 /******************************************************************************/
303 
304 TPCHandler::TPCHandler(XrdSysError *log, const char *config, XrdOucEnv *myEnv) :
305  m_desthttps(false),
306  m_fixed_route(false),
307  m_timeout(60),
308  m_first_timeout(120),
309  m_log(log->logger(), "TPC_"),
310  m_sfs(NULL)
311 {
312  if (!Configure(config, myEnv)) {
313  throw std::runtime_error("Failed to configure the HTTP third-party-copy handler.");
314  }
315 
316 // Extract out the TPC monitoring object (we share it with xrootd).
317 //
318  XrdXrootdGStream *gs = (XrdXrootdGStream*)myEnv->GetPtr("Tpc.gStream*");
319  if (gs)
320  TPCLogRecord::tpcMonitor = new XrdXrootdTpcMon("http",log->logger(),*gs);
321 }
322 
323 /******************************************************************************/
324 /* T P C H a n d l e r : : P r o c e s s O p t i o n s R e q */
325 /******************************************************************************/
326 
330 int TPCHandler::ProcessOptionsReq(XrdHttpExtReq &req) {
331  return req.SendSimpleResp(200, NULL, (char *) "DAV: 1\r\nDAV: <http://apache.org/dav/propset/fs/1>\r\nAllow: HEAD,GET,PUT,PROPFIND,DELETE,OPTIONS,COPY", NULL, 0);
332 }
333 
334 /******************************************************************************/
335 /* T P C H a n d l e r : : G e t A u t h z */
336 /******************************************************************************/
337 
338 std::string TPCHandler::GetAuthz(XrdHttpExtReq &req) {
339  std::string authz;
340  auto authz_header = XrdOucTUtils::caseInsensitiveFind(req.headers,"authorization");
341  if (authz_header != req.headers.end()) {
342  char * quoted_url = quote(authz_header->second.c_str());
343  std::stringstream ss;
344  ss << "authz=" << quoted_url;
345  free(quoted_url);
346  authz = ss.str();
347  }
348  return authz;
349 }
350 
351 /******************************************************************************/
352 /* T P C H a n d l e r : : R e d i r e c t T r a n s f e r */
353 /******************************************************************************/
354 
355 int TPCHandler::RedirectTransfer(CURL *curl, const std::string &redirect_resource,
356  XrdHttpExtReq &req, XrdOucErrInfo &error, TPCLogRecord &rec)
357 {
358  int port;
359  const char *ptr = error.getErrText(port);
360  if ((ptr == NULL) || (*ptr == '\0') || (port == 0)) {
361  rec.status = 500;
362  std::stringstream ss;
363  ss << "Internal error: redirect without hostname";
364  logTransferEvent(LogMask::Error, rec, "REDIRECT_INTERNAL_ERROR", ss.str());
365  return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
366  }
367 
368  // Construct redirection URL taking into consideration any opaque info
369  std::string rdr_info = ptr;
370  std::string host, opaque;
371  size_t pos = rdr_info.find('?');
372  host = rdr_info.substr(0, pos);
373 
374  if (pos != std::string::npos) {
375  opaque = rdr_info.substr(pos + 1);
376  }
377 
378  std::stringstream ss;
379  ss << "Location: http" << (m_desthttps ? "s" : "") << "://" << host << ":" << port << "/" << redirect_resource;
380 
381  if (!opaque.empty()) {
382  ss << "?" << encode_xrootd_opaque_to_uri(curl, opaque);
383  }
384 
385  rec.status = 307;
386  logTransferEvent(LogMask::Info, rec, "REDIRECT", ss.str());
387  return req.SendSimpleResp(rec.status, NULL, const_cast<char *>(ss.str().c_str()),
388  NULL, 0);
389 }
390 
391 /******************************************************************************/
392 /* T P C H a n d l e r : : O p e n W a i t S t a l l */
393 /******************************************************************************/
394 
395 int TPCHandler::OpenWaitStall(XrdSfsFile &fh, const std::string &resource,
396  int mode, int openMode, const XrdSecEntity &sec,
397  const std::string &authz)
398 {
399  int open_result;
400  while (1) {
401  int orig_ucap = fh.error.getUCap();
402  fh.error.setUCap(orig_ucap | XrdOucEI::uIPv64);
403  std::string opaque;
404  size_t pos = resource.find('?');
405  // Extract the path and opaque info from the resource
406  std::string path = resource.substr(0, pos);
407 
408  if (pos != std::string::npos) {
409  opaque = resource.substr(pos + 1);
410  }
411 
412  // Append the authz information if there are some
413  if(!authz.empty()) {
414  opaque += (opaque.empty() ? "" : "&");
415  opaque += authz;
416  }
417  open_result = fh.open(path.c_str(), mode, openMode, &sec, opaque.c_str());
418 
419  if ((open_result == SFS_STALL) || (open_result == SFS_STARTED)) {
420  int secs_to_stall = fh.error.getErrInfo();
421  if (open_result == SFS_STARTED) {secs_to_stall = secs_to_stall/2 + 5;}
422  std::this_thread::sleep_for (std::chrono::seconds(secs_to_stall));
423  }
424  break;
425  }
426  return open_result;
427 }
428 
429 /******************************************************************************/
430 /* T P C H a n d l e r : : D e t e r m i n e X f e r S i z e */
431 /******************************************************************************/
432 
433 
434 
438 int TPCHandler::DetermineXferSize(CURL *curl, XrdHttpExtReq &req, State &state,
439  bool &success, TPCLogRecord &rec, bool shouldReturnErrorToClient) {
440  success = false;
441  curl_easy_setopt(curl, CURLOPT_NOBODY, 1);
442  // Set a custom timeout of 60 seconds (= CONNECT_TIMEOUT for convenience) for the HEAD request
443  curl_easy_setopt(curl, CURLOPT_TIMEOUT, CONNECT_TIMEOUT);
444  CURLcode res;
445  res = curl_easy_perform(curl);
446  //Immediately set the CURLOPT_NOBODY flag to 0 as we anyway
447  //don't want the next curl call to do be a HEAD request
448  curl_easy_setopt(curl, CURLOPT_NOBODY, 0);
449  // Reset the CURLOPT_TIMEOUT to no timeout (default)
450  curl_easy_setopt(curl, CURLOPT_TIMEOUT, 0L);
451  if (res == CURLE_HTTP_RETURNED_ERROR) {
452  std::stringstream ss;
453  ss << "Remote server failed request while fetching remote size";
454  std::stringstream ss2;
455  ss2 << ss.str() << ": " << curl_easy_strerror(res);
456  rec.status = 500;
457  logTransferEvent(LogMask::Error, rec, "SIZE_FAIL", ss2.str());
458  return shouldReturnErrorToClient ? req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec, res).c_str(), 0) : -1;
459  } else if (state.GetStatusCode() >= 400) {
460  std::stringstream ss;
461  ss << "Remote side " << req.clienthost << " failed with status code " << state.GetStatusCode() << " while fetching remote size";
462  rec.status = 500;
463  logTransferEvent(LogMask::Error, rec, "SIZE_FAIL", ss.str());
464  return shouldReturnErrorToClient ? req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0) : -1;
465  } else if (res) {
466  std::stringstream ss;
467  ss << "Internal transfer failure while fetching remote size";
468  std::stringstream ss2;
469  ss2 << ss.str() << " - HTTP library failed: " << curl_easy_strerror(res);
470  rec.status = 500;
471  logTransferEvent(LogMask::Error, rec, "SIZE_FAIL", ss2.str());
472  return shouldReturnErrorToClient ? req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec, res).c_str(), 0) : -1;
473  }
474  std::stringstream ss;
475  ss << "Successfully determined remote size for pull request: "
476  << state.GetContentLength();
477  logTransferEvent(LogMask::Debug, rec, "SIZE_SUCCESS", ss.str());
478  success = true;
479  return 0;
480 }
481 
482 int TPCHandler::GetContentLengthTPCPull(CURL *curl, XrdHttpExtReq &req, uint64_t &contentLength, bool & success, TPCLogRecord &rec) {
483  State state(curl,req.tpcForwardCreds);
484  //Don't forget to copy the headers of the client's request before doing the HEAD call. Otherwise, if there is a need for authentication,
485  //it will fail
486  state.CopyHeaders(req);
487  int result;
488  //In case we cannot get the content length, we return the error to the client
489  if ((result = DetermineXferSize(curl, req, state, success, rec)) || !success) {
490  return result;
491  }
492  contentLength = state.GetContentLength();
493  return result;
494 }
495 
496 /******************************************************************************/
497 /* T P C H a n d l e r : : S e n d P e r f M a r k e r */
498 /******************************************************************************/
499 
500 int TPCHandler::SendPerfMarker(XrdHttpExtReq &req, TPCLogRecord &rec, TPC::State &state) {
501  std::stringstream ss;
502  const std::string crlf = "\n";
503  ss << "Perf Marker" << crlf;
504  ss << "Timestamp: " << time(NULL) << crlf;
505  ss << "Stripe Index: 0" << crlf;
506  ss << "Stripe Bytes Transferred: " << state.BytesTransferred() << crlf;
507  ss << "Total Stripe Count: 1" << crlf;
508  // Include the TCP connection associated with this transfer; used by
509  // the TPC client for monitoring purposes.
510  std::string desc = state.GetConnectionDescription();
511  if (!desc.empty())
512  ss << "RemoteConnections: " << desc << crlf;
513  ss << "End" << crlf;
514  rec.bytes_transferred = state.BytesTransferred();
515  logTransferEvent(LogMask::Debug, rec, "PERF_MARKER");
516 
517  return req.ChunkResp(ss.str().c_str(), 0);
518 }
519 
520 /******************************************************************************/
521 /* T P C H a n d l e r : : S e n d P e r f M a r k e r */
522 /******************************************************************************/
523 
524 int TPCHandler::SendPerfMarker(XrdHttpExtReq &req, TPCLogRecord &rec, std::vector<State*> &state,
525  off_t bytes_transferred)
526 {
527  // The 'performance marker' format is largely derived from how GridFTP works
528  // (e.g., the concept of `Stripe` is not quite so relevant here). See:
529  // https://twiki.cern.ch/twiki/bin/view/LCG/HttpTpcTechnical
530  // Example marker:
531  // Perf Marker\n
532  // Timestamp: 1537788010\n
533  // Stripe Index: 0\n
534  // Stripe Bytes Transferred: 238745\n
535  // Total Stripe Count: 1\n
536  // RemoteConnections: tcp:129.93.3.4:1234,tcp:[2600:900:6:1301:268a:7ff:fef6:a590]:2345\n
537  // End\n
538  //
539  std::stringstream ss;
540  const std::string crlf = "\n";
541  ss << "Perf Marker" << crlf;
542  ss << "Timestamp: " << time(NULL) << crlf;
543  ss << "Stripe Index: 0" << crlf;
544  ss << "Stripe Bytes Transferred: " << bytes_transferred << crlf;
545  ss << "Total Stripe Count: 1" << crlf;
546  // Build a list of TCP connections associated with this transfer; used by
547  // the TPC client for monitoring purposes.
548  bool first = true;
549  std::stringstream ss2;
550  for (std::vector<State*>::const_iterator iter = state.begin();
551  iter != state.end(); iter++)
552  {
553  std::string desc = (*iter)->GetConnectionDescription();
554  if (!desc.empty()) {
555  ss2 << (first ? "" : ",") << desc;
556  first = false;
557  }
558  }
559  if (!first)
560  ss << "RemoteConnections: " << ss2.str() << crlf;
561  ss << "End" << crlf;
562  rec.bytes_transferred = bytes_transferred;
563  logTransferEvent(LogMask::Debug, rec, "PERF_MARKER");
564 
565  return req.ChunkResp(ss.str().c_str(), 0);
566 }
567 
568 /******************************************************************************/
569 /* T P C H a n d l e r : : R u n C u r l W i t h U p d a t e s */
570 /******************************************************************************/
571 
572 int TPCHandler::RunCurlWithUpdates(CURL *curl, XrdHttpExtReq &req, State &state,
573  TPCLogRecord &rec)
574 {
575  // Create the multi-handle and add in the current transfer to it.
576  CURLM *multi_handle = curl_multi_init();
577  if (!multi_handle) {
578  rec.status = 500;
579  logTransferEvent(LogMask::Error, rec, "CURL_INIT_FAIL",
580  "Failed to initialize a libcurl multi-handle");
581  std::stringstream ss;
582  ss << "Failed to initialize internal server memory";
583  return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
584  }
585 
586  //curl_easy_setopt(curl, CURLOPT_BUFFERSIZE, 128*1024);
587 
588  CURLMcode mres;
589  mres = curl_multi_add_handle(multi_handle, curl);
590  if (mres) {
591  rec.status = 500;
592  std::stringstream ss;
593  ss << "Failed to add transfer to libcurl multi-handle: HTTP library failure=" << curl_multi_strerror(mres);
594  logTransferEvent(LogMask::Error, rec, "CURL_INIT_FAIL", ss.str());
595  curl_multi_cleanup(multi_handle);
596  return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
597  }
598 
599  // Start response to client prior to the first call to curl_multi_perform
600  int retval = req.StartChunkedResp(201, "Created", "Content-Type: text/plain");
601  if (retval) {
602  curl_multi_cleanup(multi_handle);
603  logTransferEvent(LogMask::Error, rec, "RESPONSE_FAIL",
604  "Failed to send the initial response to the TPC client");
605  return retval;
606  } else {
607  logTransferEvent(LogMask::Debug, rec, "RESPONSE_START",
608  "Initial transfer response sent to the TPC client");
609  }
610 
611  // Transfer loop: use curl to actually run the transfer, but periodically
612  // interrupt things to send back performance updates to the client.
613  int running_handles = 1;
614  time_t last_marker = 0;
615  // Track how long it's been since the last time we recorded more bytes being transferred.
616  off_t last_advance_bytes = 0;
617  time_t last_advance_time = time(NULL);
618  time_t transfer_start = last_advance_time;
619  CURLcode res = static_cast<CURLcode>(-1);
620  do {
621  time_t now = time(NULL);
622  time_t next_marker = last_marker + m_marker_period;
623  if (now >= next_marker) {
624  off_t bytes_xfer = state.BytesTransferred();
625  if (bytes_xfer > last_advance_bytes) {
626  last_advance_bytes = bytes_xfer;
627  last_advance_time = now;
628  }
629  if (SendPerfMarker(req, rec, state)) {
630  curl_multi_remove_handle(multi_handle, curl);
631  curl_multi_cleanup(multi_handle);
632  logTransferEvent(LogMask::Error, rec, "PERFMARKER_FAIL",
633  "Failed to send a perf marker to the TPC client");
634  return -1;
635  }
636  int timeout = (transfer_start == last_advance_time) ? m_first_timeout : m_timeout;
637  if (now > last_advance_time + timeout) {
638  const char *log_prefix = rec.log_prefix.c_str();
639  bool tpc_pull = strncmp("Pull", log_prefix, 4) == 0;
640 
641  state.SetErrorCode(10);
642  std::stringstream ss;
643  ss << "Transfer failed because no bytes have been "
644  << (tpc_pull ? "received from the source (pull mode) in "
645  : "transmitted to the destination (push mode) in ") << timeout << " seconds.";
646  state.SetErrorMessage(ss.str());
647  curl_multi_remove_handle(multi_handle, curl);
648  curl_multi_cleanup(multi_handle);
649  break;
650  }
651  last_marker = now;
652  }
653  // The transfer will start after this point, notify the packet marking manager
654  rec.pmarkManager.startTransfer();
655  mres = curl_multi_perform(multi_handle, &running_handles);
656  if (mres == CURLM_CALL_MULTI_PERFORM) {
657  // curl_multi_perform should be called again immediately. On newer
658  // versions of curl, this is no longer used.
659  continue;
660  } else if (mres != CURLM_OK) {
661  break;
662  } else if (running_handles == 0) {
663  break;
664  }
665 
666  rec.pmarkManager.beginPMarks();
667  //printf("There are %d running handles\n", running_handles);
668 
669  // Harvest any messages, looking for CURLMSG_DONE.
670  CURLMsg *msg;
671  do {
672  int msgq = 0;
673  msg = curl_multi_info_read(multi_handle, &msgq);
674  if (msg && (msg->msg == CURLMSG_DONE)) {
675  CURL *easy_handle = msg->easy_handle;
676  res = msg->data.result;
677  curl_multi_remove_handle(multi_handle, easy_handle);
678  }
679  } while (msg);
680 
681  int64_t max_sleep_time = next_marker - time(NULL);
682  if (max_sleep_time <= 0) {
683  continue;
684  }
685  int fd_count;
686 #ifdef HAVE_CURL_MULTI_WAIT
687  mres = curl_multi_wait(multi_handle, NULL, 0, max_sleep_time*1000, &fd_count);
688 #else
689  mres = curl_multi_wait_impl(multi_handle, max_sleep_time*1000, &fd_count);
690 #endif
691  if (mres != CURLM_OK) {
692  break;
693  }
694  } while (running_handles);
695 
696  if (mres != CURLM_OK) {
697  std::stringstream ss;
698  ss << "Internal libcurl multi-handle error: HTTP library failure=" << curl_multi_strerror(mres);
699  logTransferEvent(LogMask::Error, rec, "TRANSFER_CURL_ERROR", ss.str());
700 
701  curl_multi_remove_handle(multi_handle, curl);
702  curl_multi_cleanup(multi_handle);
703 
704  if ((retval = req.ChunkResp(generateClientErr(ss, rec).c_str(), 0))) {
705  logTransferEvent(LogMask::Error, rec, "RESPONSE_FAIL",
706  "Failed to send error message to the TPC client");
707  return retval;
708  }
709  return req.ChunkResp(NULL, 0);
710  }
711 
712  // Harvest any messages, looking for CURLMSG_DONE.
713  CURLMsg *msg;
714  do {
715  int msgq = 0;
716  msg = curl_multi_info_read(multi_handle, &msgq);
717  if (msg && (msg->msg == CURLMSG_DONE)) {
718  CURL *easy_handle = msg->easy_handle;
719  res = msg->data.result;
720  curl_multi_remove_handle(multi_handle, easy_handle);
721  }
722  } while (msg);
723 
724  if (!state.GetErrorCode() && res == static_cast<CURLcode>(-1)) { // No transfers returned?!?
725  curl_multi_remove_handle(multi_handle, curl);
726  curl_multi_cleanup(multi_handle);
727  std::stringstream ss;
728  ss << "Internal state error in libcurl";
729  logTransferEvent(LogMask::Error, rec, "TRANSFER_CURL_ERROR", ss.str());
730 
731  if ((retval = req.ChunkResp(generateClientErr(ss, rec).c_str(), 0))) {
732  logTransferEvent(LogMask::Error, rec, "RESPONSE_FAIL",
733  "Failed to send error message to the TPC client");
734  return retval;
735  }
736  return req.ChunkResp(NULL, 0);
737  }
738  curl_multi_cleanup(multi_handle);
739 
740  state.Flush();
741 
742  rec.bytes_transferred = state.BytesTransferred();
743  rec.tpc_status = state.GetStatusCode();
744 
745  // Explicitly finalize the stream (which will close the underlying file
746  // handle) before the response is sent. In some cases, subsequent HTTP
747  // requests can occur before the filesystem is done closing the handle -
748  // and those requests may occur against partial data.
749  state.Finalize();
750 
751  // Generate the final response back to the client.
752  std::stringstream ss;
753  bool success = false;
754  if (state.GetStatusCode() >= 400) {
755  std::string err = state.GetErrorMessage();
756  std::stringstream ss2;
757  ss2 << "Remote side failed with status code " << state.GetStatusCode();
758  if (!err.empty()) {
759  std::replace(err.begin(), err.end(), '\n', ' ');
760  ss2 << "; error message: \"" << err << "\"";
761  }
762  logTransferEvent(LogMask::Error, rec, "TRANSFER_FAIL", ss2.str());
763  ss << generateClientErr(ss2, rec);
764  } else if (state.GetErrorCode()) {
765  std::string err = state.GetErrorMessage();
766  if (err.empty()) {err = "(no error message provided)";}
767  else {std::replace(err.begin(), err.end(), '\n', ' ');}
768  std::stringstream ss2;
769  ss2 << "Error when interacting with local filesystem: " << err;
770  logTransferEvent(LogMask::Error, rec, "TRANSFER_FAIL", ss2.str());
771  ss << generateClientErr(ss2, rec);
772  } else if (res != CURLE_OK) {
773  std::stringstream ss2;
774  ss2 << "Internal transfer failure";
775  std::stringstream ss3;
776  ss3 << ss2.str() << ": " << curl_easy_strerror(res);
777  logTransferEvent(LogMask::Error, rec, "TRANSFER_FAIL", ss3.str());
778  ss << generateClientErr(ss2, rec, res);
779  } else {
780  ss << "success: Created";
781  success = true;
782  }
783 
784  if ((retval = req.ChunkResp(ss.str().c_str(), 0))) {
785  logTransferEvent(LogMask::Error, rec, "TRANSFER_ERROR",
786  "Failed to send last update to remote client");
787  return retval;
788  } else if (success) {
789  logTransferEvent(LogMask::Info, rec, "TRANSFER_SUCCESS");
790  rec.status = 0;
791  }
792  return req.ChunkResp(NULL, 0);
793 }
794 
795 /******************************************************************************/
796 /* T P C H a n d l e r : : P r o c e s s P u s h R e q */
797 /******************************************************************************/
798 
799 int TPCHandler::ProcessPushReq(const std::string & resource, XrdHttpExtReq &req) {
800  TPCLogRecord rec(req);
801  rec.log_prefix = "PushRequest";
802  rec.local = req.resource;
803  rec.remote = resource;
804  rec.m_log = &m_log;
805  char *name = req.GetSecEntity().name;
806  req.GetClientID(rec.clID);
807  if (name) rec.name = name;
808  logTransferEvent(LogMask::Info, rec, "PUSH_START", "Starting a push request");
809 
810  ManagedCurlHandle curlPtr(curl_easy_init());
811  auto curl = curlPtr.get();
812  if (!curl) {
813  std::stringstream ss;
814  ss << "Failed to initialize internal transfer resources";
815  rec.status = 500;
816  logTransferEvent(LogMask::Error, rec, "PUSH_FAIL", ss.str());
817  return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
818  }
819  curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
820  curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, (long) CURL_HTTP_VERSION_1_1);
821 // curl_easy_setopt(curl, CURLOPT_SOCKOPTFUNCTION, sockopt_setcloexec_callback);
822 
823  curl_easy_setopt(curl, CURLOPT_OPENSOCKETFUNCTION, opensocket_callback);
824  curl_easy_setopt(curl, CURLOPT_OPENSOCKETDATA, &rec);
825  curl_easy_setopt(curl, CURLOPT_CLOSESOCKETFUNCTION, closesocket_callback);
826  curl_easy_setopt(curl, CURLOPT_SOCKOPTFUNCTION, sockopt_callback);
827  curl_easy_setopt(curl, CURLOPT_CLOSESOCKETDATA, &rec);
828  curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, CONNECT_TIMEOUT);
829  auto query_header = XrdOucTUtils::caseInsensitiveFind(req.headers,"xrd-http-fullresource");
830  std::string redirect_resource = req.resource;
831  if (query_header != req.headers.end()) {
832  redirect_resource = query_header->second;
833  }
834 
835  AtomicBeg(m_monid_mutex);
836  uint64_t file_monid = AtomicInc(m_monid);
837  AtomicEnd(m_monid_mutex);
838  std::unique_ptr<XrdSfsFile> fh(m_sfs->newFile(name, file_monid));
839  if (!fh.get()) {
840  rec.status = 500;
841  std::stringstream ss;
842  ss << "Failed to initialize internal transfer file handle";
843  logTransferEvent(LogMask::Error, rec, "OPEN_FAIL",
844  ss.str());
845  return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
846  }
847  std::string full_url = prepareURL(req);
848 
849  std::string authz = GetAuthz(req);
850 
851  int open_results = OpenWaitStall(*fh, full_url, SFS_O_RDONLY, 0644,
852  req.GetSecEntity(), authz);
853  if (SFS_REDIRECT == open_results) {
854  int result = RedirectTransfer(curl, redirect_resource, req, fh->error, rec);
855  return result;
856  } else if (SFS_OK != open_results) {
857  int code;
858  std::stringstream ss;
859  const char *msg = fh->error.getErrText(code);
860  if (msg == NULL) ss << "Failed to open local resource";
861  else ss << msg;
862  rec.status = 400;
863  if (code == EACCES) rec.status = 401;
864  else if (code == EEXIST) rec.status = 412;
865  logTransferEvent(LogMask::Error, rec, "OPEN_FAIL", msg);
866  int resp_result = req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
867  fh->close();
868  return resp_result;
869  }
870  ConfigureCurlCA(curl);
871  curl_easy_setopt(curl, CURLOPT_URL, resource.c_str());
872 
873  Stream stream(std::move(fh), 0, 0, m_log);
874  State state(0, stream, curl, true, req.tpcForwardCreds);
875  state.CopyHeaders(req);
876 
877  return RunCurlWithUpdates(curl, req, state, rec);
878 }
879 
880 /******************************************************************************/
881 /* T P C H a n d l e r : : P r o c e s s P u l l R e q */
882 /******************************************************************************/
883 
884 int TPCHandler::ProcessPullReq(const std::string &resource, XrdHttpExtReq &req) {
885  TPCLogRecord rec(req);
886  rec.log_prefix = "PullRequest";
887  rec.local = req.resource;
888  rec.remote = resource;
889  rec.m_log = &m_log;
890  char *name = req.GetSecEntity().name;
891  req.GetClientID(rec.clID);
892  if (name) rec.name = name;
893  logTransferEvent(LogMask::Info, rec, "PULL_START", "Starting a pull request");
894 
895  ManagedCurlHandle curlPtr(curl_easy_init());
896  auto curl = curlPtr.get();
897  if (!curl) {
898  std::stringstream ss;
899  ss << "Failed to initialize internal transfer resources";
900  rec.status = 500;
901  logTransferEvent(LogMask::Error, rec, "PULL_FAIL", ss.str());
902  return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
903  }
904  // ddavila 2023-01-05:
905  // The following change was required by the Rucio/SENSE project where
906  // multiple IP addresses, each from a different subnet, are assigned to a
907  // single server and routed differently by SENSE.
908  // The above requires the server to utilize the same IP, that was used to
909  // start the TPC, for the resolution of the given TPC instead of
910  // using any of the IPs available.
911  if (m_fixed_route){
912  XrdNetAddr *nP;
913  int numIP = 0;
914  char buff[1024];
915  char * ip;
916 
917  // Get the hostname used to contact the server from the http header
918  auto host_header = XrdOucTUtils::caseInsensitiveFind(req.headers,"host");
919  std::string host_used;
920  if (host_header != req.headers.end()) {
921  host_used = host_header->second;
922  }
923 
924  // Get the IP addresses associated with the above hostname
925  XrdNetUtils::GetAddrs(host_used.c_str(), &nP, numIP, XrdNetUtils::prefAuto, 0);
926  int ip_size = nP[0].Format(buff, 1024, XrdNetAddrInfo::fmtAddr,XrdNetAddrInfo::noPort);
927  ip = (char *)malloc(ip_size-1);
928 
929  // Substring to get only the address, remove brackets and garbage
930  memcpy(ip, buff+1, ip_size-2);
931  ip[ip_size-2]='\0';
932  logTransferEvent(LogMask::Info, rec, "LOCAL IP", ip);
933 
934  curl_easy_setopt(curl, CURLOPT_INTERFACE, ip);
935  }
936  curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
937  curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, (long) CURL_HTTP_VERSION_1_1);
938 // curl_easy_setopt(curl,CURLOPT_SOCKOPTFUNCTION,sockopt_setcloexec_callback);
939  curl_easy_setopt(curl, CURLOPT_OPENSOCKETFUNCTION, opensocket_callback);
940  curl_easy_setopt(curl, CURLOPT_OPENSOCKETDATA, &rec);
941  curl_easy_setopt(curl, CURLOPT_SOCKOPTFUNCTION, sockopt_callback);
942  curl_easy_setopt(curl, CURLOPT_SOCKOPTDATA , &rec);
943  curl_easy_setopt(curl, CURLOPT_CLOSESOCKETFUNCTION, closesocket_callback);
944  curl_easy_setopt(curl, CURLOPT_CLOSESOCKETDATA, &rec);
945  curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, CONNECT_TIMEOUT);
946  std::unique_ptr<XrdSfsFile> fh(m_sfs->newFile(name, m_monid++));
947  if (!fh.get()) {
948  std::stringstream ss;
949  ss << "Failed to initialize internal transfer file handle";
950  rec.status = 500;
951  logTransferEvent(LogMask::Error, rec, "PULL_FAIL", ss.str());
952  return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
953  }
954  auto query_header = XrdOucTUtils::caseInsensitiveFind(req.headers,"xrd-http-fullresource");
955  std::string redirect_resource = req.resource;
956  if (query_header != req.headers.end()) {
957  redirect_resource = query_header->second;
958  }
960  auto overwrite_header = XrdOucTUtils::caseInsensitiveFind(req.headers,"overwrite");
961  if ((overwrite_header == req.headers.end()) || (overwrite_header->second == "T")) {
962  if (! usingEC) mode = SFS_O_TRUNC;
963  }
964  int streams = 1;
965  {
966  auto streams_header = XrdOucTUtils::caseInsensitiveFind(req.headers,"x-number-of-streams");
967  if (streams_header != req.headers.end()) {
968  int stream_req = -1;
969  try {
970  stream_req = std::stol(streams_header->second);
971  } catch (...) { // Handled below
972  }
973  if (stream_req < 0 || stream_req > 100) {
974  std::stringstream ss;
975  ss << "Invalid request for number of streams";
976  rec.status = 400;
977  logTransferEvent(LogMask::Info, rec, "INVALID_REQUEST", ss.str());
978  return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
979  }
980  streams = stream_req == 0 ? 1 : stream_req;
981  }
982  }
983  rec.streams = streams;
984  bool hasSetOpaque = false;
985  std::string full_url = prepareURL(req, hasSetOpaque);
986  std::string authz = GetAuthz(req);
987  curl_easy_setopt(curl, CURLOPT_URL, resource.c_str());
988  ConfigureCurlCA(curl);
989  uint64_t sourceFileContentLength = 0;
990  {
991  //Get the content-length of the source file and pass it to the OSS layer
992  //during the open
993  bool success;
994  GetContentLengthTPCPull(curl, req, sourceFileContentLength, success, rec);
995  if(success) {
996  //In the case we cannot get the information from the source server (offline or other error)
997  //we just don't add the size information to the opaque of the local file to open
998  full_url += hasSetOpaque ? "&" : "?";
999  full_url += "oss.asize=" + std::to_string(sourceFileContentLength);
1000  } else {
1001  // In the case the GetContentLength is not successful, an error will be returned to the client
1002  // just exit here so we don't open the file!
1003  return 0;
1004  }
1005  }
1006  int open_result = OpenWaitStall(*fh, full_url, mode|SFS_O_WRONLY,
1007  0644 | SFS_O_MKPTH,
1008  req.GetSecEntity(), authz);
1009  if (SFS_REDIRECT == open_result) {
1010  int result = RedirectTransfer(curl, redirect_resource, req, fh->error, rec);
1011  return result;
1012  } else if (SFS_OK != open_result) {
1013  int code;
1014  std::stringstream ss;
1015  const char *msg = fh->error.getErrText(code);
1016  if ((msg == NULL) || (*msg == '\0')) ss << "Failed to open local resource";
1017  else ss << msg;
1018  rec.status = 400;
1019  if (code == EACCES) rec.status = 401;
1020  else if (code == EEXIST) rec.status = 412;
1021  logTransferEvent(LogMask::Error, rec, "OPEN_FAIL", ss.str());
1022  int resp_result = req.SendSimpleResp(rec.status, NULL, NULL,
1023  generateClientErr(ss, rec).c_str(), 0);
1024  fh->close();
1025  return resp_result;
1026  }
1027  Stream stream(std::move(fh), streams * m_pipelining_multiplier, streams > 1 ? m_block_size : m_small_block_size, m_log);
1028  State state(0, stream, curl, false, req.tpcForwardCreds);
1029  state.CopyHeaders(req);
1030  state.SetContentLength(sourceFileContentLength);
1031 
1032  if (streams > 1) {
1033  return RunCurlWithStreams(req, state, streams, rec);
1034  } else {
1035  return RunCurlWithUpdates(curl, req, state, rec);
1036  }
1037 }
1038 
1039 /******************************************************************************/
1040 /* T P C H a n d l e r : : l o g T r a n s f e r E v e n t */
1041 /******************************************************************************/
1042 
1043 void TPCHandler::logTransferEvent(LogMask mask, const TPCLogRecord &rec,
1044  const std::string &event, const std::string &message)
1045 {
1046  if (!(m_log.getMsgMask() & mask)) {return;}
1047 
1048  std::stringstream ss;
1049  ss << "event=" << event << ", local=" << rec.local << ", remote=" << rec.remote;
1050  if (rec.name.empty())
1051  ss << ", user=(anonymous)";
1052  else
1053  ss << ", user=" << rec.name;
1054  if (rec.streams != 1)
1055  ss << ", streams=" << rec.streams;
1056  if (rec.bytes_transferred >= 0)
1057  ss << ", bytes_transferred=" << rec.bytes_transferred;
1058  if (rec.status >= 0)
1059  ss << ", status=" << rec.status;
1060  if (rec.tpc_status >= 0)
1061  ss << ", tpc_status=" << rec.tpc_status;
1062  if (!message.empty())
1063  ss << "; " << message;
1064  m_log.Log(mask, rec.log_prefix.c_str(), ss.str().c_str());
1065 }
1066 
1067 std::string TPCHandler::generateClientErr(std::stringstream &err_ss, const TPCLogRecord &rec, CURLcode cCode) {
1068  std::stringstream ssret;
1069  ssret << "failure: " << err_ss.str() << ", local=" << rec.local <<", remote=" << rec.remote;
1070  if(cCode != CURLcode::CURLE_OK) {
1071  ssret << ", HTTP library failure=" << curl_easy_strerror(cCode);
1072  }
1073  return ssret.str();
1074 }
1075 /******************************************************************************/
1076 /* X r d H t t p G e t E x t H a n d l e r */
1077 /******************************************************************************/
1078 
1079 extern "C" {
1080 
1081 XrdHttpExtHandler *XrdHttpGetExtHandler(XrdSysError *log, const char * config, const char * /*parms*/, XrdOucEnv *myEnv) {
1082  if (curl_global_init(CURL_GLOBAL_DEFAULT)) {
1083  log->Emsg("TPCInitialize", "libcurl failed to initialize");
1084  return NULL;
1085  }
1086 
1087  TPCHandler *retval{NULL};
1088  if (!config) {
1089  log->Emsg("TPCInitialize", "TPC handler requires a config filename in order to load");
1090  return NULL;
1091  }
1092  try {
1093  log->Emsg("TPCInitialize", "Will load configuration for the TPC handler from", config);
1094  retval = new TPCHandler(log, config, myEnv);
1095  } catch (std::runtime_error &re) {
1096  log->Emsg("TPCInitialize", "Encountered a runtime failure when loading ", re.what());
1097  //printf("Provided env vars: %p, XrdInet*: %p\n", myEnv, myEnv->GetPtr("XrdInet*"));
1098  }
1099  return retval;
1100 }
1101 
1102 }
char * quote(const char *str)
@ Info
#define close(a)
Definition: XrdPosix.hh:43
void getline(uchar *buff, int blen)
#define SFS_REDIRECT
#define SFS_O_MKPTH
#define SFS_STALL
#define SFS_O_RDONLY
#define SFS_STARTED
#define SFS_O_WRONLY
#define SFS_O_CREAT
int XrdSfsFileOpenMode
#define SFS_OK
#define SFS_O_TRUNC
#define AtomicInc(x)
#define AtomicBeg(Mtx)
#define AtomicEnd(Mtx)
CURLMcode curl_multi_wait_impl(CURLM *multi_handle, int timeout_ms, int *numfds)
void CURL
Definition: XrdTpcState.hh:14
static std::string PrepareURL(const std::string &input)
Definition: XrdTpcTPC.cc:257
XrdVERSIONINFO(XrdHttpGetExtHandler, HttpTPC)
XrdHttpExtHandler * XrdHttpGetExtHandler(XrdSysError *log, const char *config, const char *, XrdOucEnv *myEnv)
Definition: XrdTpcTPC.cc:1081
std::string encode_xrootd_opaque_to_uri(CURL *curl, const std::string &opaque)
Definition: XrdTpcTPC.cc:191
int GetStatusCode() const
Definition: XrdTpcState.hh:98
off_t BytesTransferred() const
Definition: XrdTpcState.hh:88
void CopyHeaders(XrdHttpExtReq &req)
Definition: XrdTpcState.cc:95
void SetErrorMessage(const std::string &error_msg)
Definition: XrdTpcState.hh:102
int GetErrorCode() const
Definition: XrdTpcState.hh:94
std::string GetErrorMessage() const
Definition: XrdTpcState.hh:100
std::string GetConnectionDescription()
Definition: XrdTpcState.cc:294
void SetContentLength(const off_t content_length)
Definition: XrdTpcState.hh:90
off_t GetContentLength() const
Definition: XrdTpcState.hh:92
void SetErrorCode(int error_code)
Definition: XrdTpcState.hh:96
bool Finalize()
Definition: XrdTpcState.cc:284
TPCHandler(XrdSysError *log, const char *config, XrdOucEnv *myEnv)
Definition: XrdTpcTPC.cc:304
virtual int ProcessReq(XrdHttpExtReq &req)
Definition: XrdTpcTPC.cc:268
virtual ~TPCHandler()
Definition: XrdTpcTPC.cc:296
virtual bool MatchesPath(const char *verb, const char *path)
Tells if the incoming path is recognized as one of the paths that have to be processed.
Definition: XrdTpcTPC.cc:249
std::string clienthost
int ChunkResp(const char *body, long long bodylen)
Send a (potentially partial) body in a chunked response; invoking with NULL body.
void GetClientID(std::string &clid)
std::map< std::string, std::string > & headers
std::string resource
std::string verb
int StartChunkedResp(int code, const char *desc, const char *header_to_add)
Starts a chunked response; body of request is sent over multiple parts using the SendChunkResp.
const XrdSecEntity & GetSecEntity() const
int SendSimpleResp(int code, const char *desc, const char *header_to_add, const char *body, long long bodylen)
Sends a basic response. If the length is < 0 then it is calculated internally.
static const int noPort
Do not add port number.
int Format(char *bAddr, int bLen, fmtUse fmtType=fmtAuto, int fmtOpts=0)
@ fmtAddr
Address using suitable ipv4 or ipv6 format.
static const char * GetAddrs(const char *hSpec, XrdNetAddr *aListP[], int &aListN, AddrOpts opts=allIPMap, int pNum=PortInSpec)
Definition: XrdNetUtils.cc:239
void * GetPtr(const char *varname)
Definition: XrdOucEnv.cc:281
const char * getErrText()
void setUCap(int ucval)
Set user capabilties.
static std::map< std::string, T >::const_iterator caseInsensitiveFind(const std::map< std::string, T > &m, const std::string &lowerCaseSearchKey)
Definition: XrdOucTUtils.hh:79
char * name
Entity's name.
Definition: XrdSecEntity.hh:69
virtual XrdSfsFile * newFile(char *user=0, int MonID=0)=0
XrdOucErrInfo & error
virtual int open(const char *fileName, XrdSfsFileOpenMode openMode, mode_t createMode, const XrdSecEntity *client=0, const char *opaque=0)=0
virtual int close()=0
int Emsg(const char *esfx, int ecode, const char *text1, const char *text2=0)
Definition: XrdSysError.cc:95
XrdSysLogger * logger(XrdSysLogger *lp=0)
Definition: XrdSysError.hh:141
int getMsgMask()
Definition: XrdSysError.hh:156
void Log(int mask, const char *esfx, const char *text1, const char *text2=0, const char *text3=0)
Definition: XrdSysError.hh:133
static std::string prepareOpenURL(const std::string &reqResource, std::map< std::string, std::string > &reqHeaders, const std::map< std::string, std::string > &hdr2cgimap, bool &hasSetOpaque)
Definition: XrdTpcUtils.cc:26
std::unique_ptr< CURL, CurlDeleter > ManagedCurlHandle
Definition: XrdTpcTPC.hh:39
@ Warning
Definition: XrdTpcTPC.hh:30
void operator()(CURL *curl)
Definition: XrdTpcTPC.cc:84
static const int uIPv64
ucap: Supports only IPv4 info
static const int isaPush