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