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XrdHttpTpcTPC.cc
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4#include "XrdOuc/XrdOucEnv.hh"
8#include "XrdSys/XrdSysFD.hh"
9#include "XrdVersion.hh"
10
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 "XrdHttpTpcState.hh"
28#include "XrdHttpTpcStream.hh"
29#include "XrdHttpTpcTPC.hh"
30#include <fstream>
31
32using namespace TPC;
33
34XrdXrootdTpcMon* TPCHandler::TPCLogRecord::tpcMonitor = 0;
35
36uint64_t TPCHandler::m_monid{0};
37int TPCHandler::m_marker_period = 5;
38size_t TPCHandler::m_block_size = 16*1024*1024;
39size_t TPCHandler::m_small_block_size = 1*1024*1024;
40XrdSysMutex TPCHandler::m_monid_mutex;
41
43
44/******************************************************************************/
45/* 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 */
46/******************************************************************************/
47
48TPCHandler::TPCLogRecord::~TPCLogRecord()
49{
50// Record monitoring data is enabled
51//
52 if (tpcMonitor)
54
55 monInfo.clID = clID.c_str();
56 monInfo.begT = begT;
57 gettimeofday(&monInfo.endT, 0);
58
59 if (mTpcType == TpcType::Pull)
60 {monInfo.dstURL = local.c_str();
61 monInfo.srcURL = remote.c_str();
62 } else {
63 monInfo.dstURL = remote.c_str();
64 monInfo.srcURL = local.c_str();
66 }
67
68 if (!status) monInfo.endRC = 0;
69 else if (tpc_status > 0) monInfo.endRC = tpc_status;
70 else monInfo.endRC = 1;
71 monInfo.strm = static_cast<unsigned char>(streams);
72 monInfo.fSize = (bytes_transferred < 0 ? 0 : bytes_transferred);
73 if (!isIPv6) monInfo.opts |= XrdXrootdTpcMon::TpcInfo::isIPv4;
74
75 tpcMonitor->Report(monInfo);
76 }
77}
78
79/******************************************************************************/
80/* C u r l D e l e t e r : : o p e r a t o r ( ) */
81/******************************************************************************/
82
84{
85 if (curl) curl_easy_cleanup(curl);
86}
87
88/******************************************************************************/
89/* 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 */
90/******************************************************************************/
91
100int TPCHandler::sockopt_callback(void *clientp, curl_socket_t curlfd, curlsocktype purpose) {
101 TPCLogRecord * rec = (TPCLogRecord *)clientp;
102 if (purpose == CURLSOCKTYPE_IPCXN && rec && rec->pmarkManager.isEnabled()) {
103 // We will not reach this callback if the corresponding socket could not have been connected
104 // the socket is already connected only if the packet marking is enabled
105 return CURL_SOCKOPT_ALREADY_CONNECTED;
106 }
107 return CURL_SOCKOPT_OK;
108}
109
110/******************************************************************************/
111/* o p e n s o c k e t _ c a l l b a c k */
112/******************************************************************************/
113
114
119int TPCHandler::opensocket_callback(void *clientp,
120 curlsocktype purpose,
121 struct curl_sockaddr *aInfo)
122{
123 //Return a socket file descriptor (note the clo_exec flag will be set).
124 int fd = XrdSysFD_Socket(aInfo->family, aInfo->socktype, aInfo->protocol);
125 // See what kind of address will be used to connect
126 //
127 if(fd < 0) {
128 return CURL_SOCKET_BAD;
129 }
130 TPCLogRecord * rec = (TPCLogRecord *)clientp;
131 if (purpose == CURLSOCKTYPE_IPCXN && clientp)
132 {XrdNetAddr thePeer(&(aInfo->addr));
133 rec->isIPv6 = (thePeer.isIPType(XrdNetAddrInfo::IPv6)
134 && !thePeer.isMapped());
135 std::stringstream connectErrMsg;
136
137 if(!rec->pmarkManager.connect(fd, &(aInfo->addr), aInfo->addrlen, CONNECT_TIMEOUT, connectErrMsg)) {
138 rec->m_log->Emsg(rec->log_prefix.c_str(),"Unable to connect socket:", connectErrMsg.str().c_str());
139 return CURL_SOCKET_BAD;
140 }
141 }
142
143 return fd;
144}
145
146int TPCHandler::closesocket_callback(void *clientp, curl_socket_t fd) {
147 TPCLogRecord * rec = (TPCLogRecord *)clientp;
148
149 // Destroy the PMark handle associated to the file descriptor before closing it.
150 // Otherwise, we would lose the socket usage information if the socket is closed before
151 // the PMark handle is closed.
152 rec->pmarkManager.endPmark(fd);
153
154 return close(fd);
155}
156
157/******************************************************************************/
158/* p r e p a r e U R L */
159/******************************************************************************/
160
161// See XrdHttpTpcUtils::prepareOpenURL() documentation
162std::string TPCHandler::prepareURL(XrdHttpExtReq &req) {
163 return XrdHttpTpcUtils::prepareOpenURL(req.resource, req.headers,hdr2cgimap);
164}
165
166/******************************************************************************/
167/* e n c o d e _ x r o o t d _ o p a q u e _ t o _ u r i */
168/******************************************************************************/
169
170// When processing a redirection from the filesystem layer, it is permitted to return
171// some xrootd opaque data. The quoting rules for xrootd opaque data are significantly
172// more permissive than a URI (basically, only '&' and '=' are disallowed while some
173// URI parsers may dislike characters like '"'). This function takes an opaque string
174// (e.g., foo=1&bar=2&baz=") and makes it safe for all URI parsers.
175std::string encode_xrootd_opaque_to_uri(CURL *curl, const std::string &opaque)
176{
177 std::stringstream parser(opaque);
178 std::string sequence;
179 std::stringstream output;
180 bool first = true;
181 while (getline(parser, sequence, '&')) {
182 if (sequence.empty()) {continue;}
183 size_t equal_pos = sequence.find('=');
184 char *val = NULL;
185 if (equal_pos != std::string::npos)
186 val = curl_easy_escape(curl, sequence.c_str() + equal_pos + 1, sequence.size() - equal_pos - 1);
187 // Do not emit parameter if value exists and escaping failed.
188 if (!val && equal_pos != std::string::npos) {continue;}
189
190 if (!first) output << "&";
191 first = false;
192 output << sequence.substr(0, equal_pos);
193 if (val) {
194 output << "=" << val;
195 curl_free(val);
196 }
197 }
198 return output.str();
199}
200
201/******************************************************************************/
202/* 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 */
203/******************************************************************************/
204
205void
206TPCHandler::ConfigureCurlCA(CURL *curl)
207{
208 auto ca_filename = m_ca_file ? m_ca_file->CAFilename() : "";
209 auto crl_filename = m_ca_file ? m_ca_file->CRLFilename() : "";
210 if (!ca_filename.empty() && !crl_filename.empty()) {
211 curl_easy_setopt(curl, CURLOPT_CAINFO, ca_filename.c_str());
212 //Check that the CRL file contains at least one entry before setting this option to curl
213 //Indeed, an empty CRL file will make curl unhappy and therefore will fail
214 //all HTTP TPC transfers (https://github.com/xrootd/xrootd/issues/1543)
215 std::ifstream in(crl_filename, std::ifstream::ate | std::ifstream::binary);
216 if(in.tellg() > 0 && m_ca_file->atLeastOneValidCRLFound()){
217 curl_easy_setopt(curl, CURLOPT_CRLFILE, crl_filename.c_str());
218 } else {
219 std::ostringstream oss;
220 oss << "No valid CRL file has been found in the file " << crl_filename << ". Disabling CRL checking.";
221 m_log.Log(Warning,"TpcHandler",oss.str().c_str());
222 }
223 }
224 else if (!m_cadir.empty()) {
225 curl_easy_setopt(curl, CURLOPT_CAPATH, m_cadir.c_str());
226 }
227 if (!m_cafile.empty()) {
228 curl_easy_setopt(curl, CURLOPT_CAINFO, m_cafile.c_str());
229 }
230}
231
232
233bool TPCHandler::MatchesPath(const char *verb, const char *path) {
234 return !strcmp(verb, "COPY") || !strcmp(verb, "OPTIONS");
235}
236
237/******************************************************************************/
238/* P r e p a r e U R L */
239/******************************************************************************/
240
241static std::string PrepareURL(const std::string &input) {
242 if (!strncmp(input.c_str(), "davs://", 7)) {
243 return "https://" + input.substr(7);
244 }
245 return input;
246}
247
248/******************************************************************************/
249/* T P C H a n d l e r : : P r o c e s s R e q */
250/******************************************************************************/
251
253 if (req.verb == "OPTIONS") {
254 return ProcessOptionsReq(req);
255 }
256 auto header = XrdOucTUtils::caseInsensitiveFind(req.headers,"credential");
257 if (header != req.headers.end()) {
258 if (header->second != "none") {
259 m_log.Emsg("ProcessReq", "COPY requested an unsupported credential type: ", header->second.c_str());
260 return req.SendSimpleResp(400, NULL, NULL, "COPY requestd an unsupported Credential type", 0);
261 }
262 }
263 header = XrdOucTUtils::caseInsensitiveFind(req.headers,"source");
264 if (header != req.headers.end()) {
265 std::string src = PrepareURL(header->second);
266 return ProcessPullReq(src, req);
267 }
268 header = XrdOucTUtils::caseInsensitiveFind(req.headers,"destination");
269 if (header != req.headers.end()) {
270 return ProcessPushReq(header->second, req);
271 }
272 m_log.Emsg("ProcessReq", "COPY verb requested but no source or destination specified.");
273 return req.SendSimpleResp(400, NULL, NULL, "No Source or Destination specified", 0);
274}
275
276/******************************************************************************/
277/* T P C H a n d l e r D e s t r u c t o r */
278/******************************************************************************/
279
281 m_sfs = NULL;
282}
283
284/******************************************************************************/
285/* T P C H a n d l e r C o n s t r u c t o r */
286/******************************************************************************/
287
288TPCHandler::TPCHandler(XrdSysError *log, const char *config, XrdOucEnv *myEnv) :
289 m_desthttps(false),
290 m_fixed_route(false),
291 m_timeout(60),
292 m_first_timeout(120),
293 m_log(log->logger(), "TPC_"),
294 m_sfs(NULL)
295{
296 if (!Configure(config, myEnv)) {
297 throw std::runtime_error("Failed to configure the HTTP third-party-copy handler.");
298 }
299
300// Extract out the TPC monitoring object (we share it with xrootd).
301//
302 XrdXrootdGStream *gs = (XrdXrootdGStream*)myEnv->GetPtr("Tpc.gStream*");
303 if (gs)
304 TPCLogRecord::tpcMonitor = new XrdXrootdTpcMon("http",log->logger(),*gs);
305}
306
307/******************************************************************************/
308/* 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 */
309/******************************************************************************/
310
314int TPCHandler::ProcessOptionsReq(XrdHttpExtReq &req) {
315 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);
316}
317
318/******************************************************************************/
319/* T P C H a n d l e r : : G e t A u t h z */
320/******************************************************************************/
321
322std::string TPCHandler::GetAuthz(XrdHttpExtReq &req) {
323 std::string authz;
324 auto authz_header = XrdOucTUtils::caseInsensitiveFind(req.headers,"authorization");
325 if (authz_header != req.headers.end()) {
326 std::stringstream ss;
327 ss << "authz=" << encode_str(authz_header->second);
328 authz += ss.str();
329 }
330 return authz;
331}
332
333/******************************************************************************/
334/* 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 */
335/******************************************************************************/
336
337int TPCHandler::RedirectTransfer(CURL *curl, const std::string &redirect_resource,
338 XrdHttpExtReq &req, XrdOucErrInfo &error, TPCLogRecord &rec)
339{
340 int port;
341 const char *ptr = error.getErrText(port);
342 if ((ptr == NULL) || (*ptr == '\0') || (port == 0)) {
343 rec.status = 500;
344 std::stringstream ss;
345 ss << "Internal error: redirect without hostname";
346 logTransferEvent(LogMask::Error, rec, "REDIRECT_INTERNAL_ERROR", ss.str());
347 return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
348 }
349
350 // Construct redirection URL taking into consideration any opaque info
351 std::string rdr_info = ptr;
352 std::string host, opaque;
353 size_t pos = rdr_info.find('?');
354 host = rdr_info.substr(0, pos);
355
356 if (pos != std::string::npos) {
357 opaque = rdr_info.substr(pos + 1);
358 }
359
360 std::stringstream ss;
361 ss << "Location: http" << (m_desthttps ? "s" : "") << "://" << host << ":" << port << "/" << redirect_resource;
362
363 if (!opaque.empty()) {
364 ss << "?" << encode_xrootd_opaque_to_uri(curl, opaque);
365 }
366
367 rec.status = 307;
368 logTransferEvent(LogMask::Info, rec, "REDIRECT", ss.str());
369 return req.SendSimpleResp(rec.status, NULL, const_cast<char *>(ss.str().c_str()),
370 NULL, 0);
371}
372
373/******************************************************************************/
374/* T P C H a n d l e r : : O p e n W a i t S t a l l */
375/******************************************************************************/
376
377int TPCHandler::OpenWaitStall(XrdSfsFile &fh, const std::string &resource,
378 int mode, int openMode, const XrdSecEntity &sec,
379 const std::string &authz)
380{
381 int open_result;
382 while (1) {
383 int orig_ucap = fh.error.getUCap();
384 fh.error.setUCap(orig_ucap | XrdOucEI::uIPv64);
385 std::string opaque;
386 size_t pos = resource.find('?');
387 // Extract the path and opaque info from the resource
388 std::string path = resource.substr(0, pos);
389
390 if (pos != std::string::npos) {
391 opaque = resource.substr(pos + 1);
392 }
393
394 // Append the authz information if there are some
395 if(!authz.empty()) {
396 opaque += (opaque.empty() ? "" : "&");
397 opaque += authz;
398 }
399 open_result = fh.open(path.c_str(), mode, openMode, &sec, opaque.c_str());
400
401 if ((open_result == SFS_STALL) || (open_result == SFS_STARTED)) {
402 int secs_to_stall = fh.error.getErrInfo();
403 if (open_result == SFS_STARTED) {secs_to_stall = secs_to_stall/2 + 5;}
404 std::this_thread::sleep_for (std::chrono::seconds(secs_to_stall));
405 }
406 break;
407 }
408 return open_result;
409}
410
411/******************************************************************************/
412/* 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 */
413/******************************************************************************/
414
415
416
420int TPCHandler::DetermineXferSize(CURL *curl, XrdHttpExtReq &req, State &state,
421 bool &success, TPCLogRecord &rec, bool shouldReturnErrorToClient) {
422 success = false;
423 curl_easy_setopt(curl, CURLOPT_NOBODY, 1);
424 // Set a custom timeout of 60 seconds (= CONNECT_TIMEOUT for convenience) for the HEAD request
425 curl_easy_setopt(curl, CURLOPT_TIMEOUT, CONNECT_TIMEOUT);
426 CURLcode res;
427 res = curl_easy_perform(curl);
428 //Immediately set the CURLOPT_NOBODY flag to 0 as we anyway
429 //don't want the next curl call to do be a HEAD request
430 curl_easy_setopt(curl, CURLOPT_NOBODY, 0);
431 // Reset the CURLOPT_TIMEOUT to no timeout (default)
432 curl_easy_setopt(curl, CURLOPT_TIMEOUT, 0L);
433 if (res == CURLE_HTTP_RETURNED_ERROR) {
434 std::stringstream ss;
435 ss << "Remote server failed request while fetching remote size";
436 std::stringstream ss2;
437 ss2 << ss.str() << ": " << curl_easy_strerror(res);
438 rec.status = 500;
439 logTransferEvent(LogMask::Error, rec, "SIZE_FAIL", ss2.str());
440 return shouldReturnErrorToClient ? req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec, res).c_str(), 0) : -1;
441 } else if (state.GetStatusCode() >= 400) {
442 std::stringstream ss;
443 ss << "Remote side " << req.clienthost << " failed with status code " << state.GetStatusCode() << " while fetching remote size";
444 rec.status = 500;
445 logTransferEvent(LogMask::Error, rec, "SIZE_FAIL", ss.str());
446 return shouldReturnErrorToClient ? req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0) : -1;
447 } else if (res) {
448 std::stringstream ss;
449 ss << "Internal transfer failure while fetching remote size";
450 std::stringstream ss2;
451 ss2 << ss.str() << " - HTTP library failed: " << curl_easy_strerror(res);
452 rec.status = 500;
453 logTransferEvent(LogMask::Error, rec, "SIZE_FAIL", ss2.str());
454 return shouldReturnErrorToClient ? req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec, res).c_str(), 0) : -1;
455 }
456 std::stringstream ss;
457 ss << "Successfully determined remote size for pull request: "
458 << state.GetContentLength();
459 logTransferEvent(LogMask::Debug, rec, "SIZE_SUCCESS", ss.str());
460 success = true;
461 return 0;
462}
463
464int TPCHandler::GetContentLengthTPCPull(CURL *curl, XrdHttpExtReq &req, uint64_t &contentLength, bool & success, TPCLogRecord &rec) {
465 State state(curl,req.tpcForwardCreds);
466 //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,
467 //it will fail
468 state.SetupHeaders(req);
469 int result;
470 //In case we cannot get the content length, we return the error to the client
471 if ((result = DetermineXferSize(curl, req, state, success, rec)) || !success) {
472 return result;
473 }
474 contentLength = state.GetContentLength();
475 return result;
476}
477
478/******************************************************************************/
479/* T P C H a n d l e r : : S e n d P e r f M a r k e r */
480/******************************************************************************/
481
482int TPCHandler::SendPerfMarker(XrdHttpExtReq &req, TPCLogRecord &rec, TPC::State &state) {
483 std::stringstream ss;
484 const std::string crlf = "\n";
485 ss << "Perf Marker" << crlf;
486 ss << "Timestamp: " << time(NULL) << crlf;
487 ss << "Stripe Index: 0" << crlf;
488 ss << "Stripe Bytes Transferred: " << state.BytesTransferred() << crlf;
489 ss << "Total Stripe Count: 1" << crlf;
490 // Include the TCP connection associated with this transfer; used by
491 // the TPC client for monitoring purposes.
492 std::string desc = state.GetConnectionDescription();
493 if (!desc.empty())
494 ss << "RemoteConnections: " << desc << crlf;
495 ss << "End" << crlf;
496 rec.bytes_transferred = state.BytesTransferred();
497 logTransferEvent(LogMask::Debug, rec, "PERF_MARKER");
498
499 return req.ChunkResp(ss.str().c_str(), 0);
500}
501
502/******************************************************************************/
503/* T P C H a n d l e r : : S e n d P e r f M a r k e r */
504/******************************************************************************/
505
506int TPCHandler::SendPerfMarker(XrdHttpExtReq &req, TPCLogRecord &rec, std::vector<State*> &state,
507 off_t bytes_transferred)
508{
509 // The 'performance marker' format is largely derived from how GridFTP works
510 // (e.g., the concept of `Stripe` is not quite so relevant here). See:
511 // https://twiki.cern.ch/twiki/bin/view/LCG/HttpTpcTechnical
512 // Example marker:
513 // Perf Marker\n
514 // Timestamp: 1537788010\n
515 // Stripe Index: 0\n
516 // Stripe Bytes Transferred: 238745\n
517 // Total Stripe Count: 1\n
518 // RemoteConnections: tcp:129.93.3.4:1234,tcp:[2600:900:6:1301:268a:7ff:fef6:a590]:2345\n
519 // End\n
520 //
521 std::stringstream ss;
522 const std::string crlf = "\n";
523 ss << "Perf Marker" << crlf;
524 ss << "Timestamp: " << time(NULL) << crlf;
525 ss << "Stripe Index: 0" << crlf;
526 ss << "Stripe Bytes Transferred: " << bytes_transferred << crlf;
527 ss << "Total Stripe Count: 1" << crlf;
528 // Build a list of TCP connections associated with this transfer; used by
529 // the TPC client for monitoring purposes.
530 bool first = true;
531 std::stringstream ss2;
532 for (std::vector<State*>::const_iterator iter = state.begin();
533 iter != state.end(); iter++)
534 {
535 std::string desc = (*iter)->GetConnectionDescription();
536 if (!desc.empty()) {
537 ss2 << (first ? "" : ",") << desc;
538 first = false;
539 }
540 }
541 if (!first)
542 ss << "RemoteConnections: " << ss2.str() << crlf;
543 ss << "End" << crlf;
544 rec.bytes_transferred = bytes_transferred;
545 logTransferEvent(LogMask::Debug, rec, "PERF_MARKER");
546
547 return req.ChunkResp(ss.str().c_str(), 0);
548}
549
550/******************************************************************************/
551/* 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 */
552/******************************************************************************/
553
554int TPCHandler::RunCurlWithUpdates(CURL *curl, XrdHttpExtReq &req, State &state,
555 TPCLogRecord &rec)
556{
557 // Create the multi-handle and add in the current transfer to it.
558 CURLM *multi_handle = curl_multi_init();
559 if (!multi_handle) {
560 rec.status = 500;
561 logTransferEvent(LogMask::Error, rec, "CURL_INIT_FAIL",
562 "Failed to initialize a libcurl multi-handle");
563 std::stringstream ss;
564 ss << "Failed to initialize internal server memory";
565 return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
566 }
567
568 //curl_easy_setopt(curl, CURLOPT_BUFFERSIZE, 128*1024);
569
570 CURLMcode mres;
571 mres = curl_multi_add_handle(multi_handle, curl);
572 if (mres) {
573 rec.status = 500;
574 std::stringstream ss;
575 ss << "Failed to add transfer to libcurl multi-handle: HTTP library failure=" << curl_multi_strerror(mres);
576 logTransferEvent(LogMask::Error, rec, "CURL_INIT_FAIL", ss.str());
577 curl_multi_cleanup(multi_handle);
578 return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
579 }
580
581 // Start response to client prior to the first call to curl_multi_perform
582 int retval = req.StartChunkedResp(201, "Created", "Content-Type: text/plain");
583 if (retval) {
584 curl_multi_cleanup(multi_handle);
585 logTransferEvent(LogMask::Error, rec, "RESPONSE_FAIL",
586 "Failed to send the initial response to the TPC client");
587 return retval;
588 } else {
589 logTransferEvent(LogMask::Debug, rec, "RESPONSE_START",
590 "Initial transfer response sent to the TPC client");
591 }
592
593 // Transfer loop: use curl to actually run the transfer, but periodically
594 // interrupt things to send back performance updates to the client.
595 int running_handles = 1;
596 time_t last_marker = 0;
597 // Track how long it's been since the last time we recorded more bytes being transferred.
598 off_t last_advance_bytes = 0;
599 time_t last_advance_time = time(NULL);
600 time_t transfer_start = last_advance_time;
601 CURLcode res = static_cast<CURLcode>(-1);
602 do {
603 time_t now = time(NULL);
604 time_t next_marker = last_marker + m_marker_period;
605 if (now >= next_marker) {
606 off_t bytes_xfer = state.BytesTransferred();
607 if (bytes_xfer > last_advance_bytes) {
608 last_advance_bytes = bytes_xfer;
609 last_advance_time = now;
610 }
611 if (SendPerfMarker(req, rec, state)) {
612 curl_multi_remove_handle(multi_handle, curl);
613 curl_multi_cleanup(multi_handle);
614 logTransferEvent(LogMask::Error, rec, "PERFMARKER_FAIL",
615 "Failed to send a perf marker to the TPC client");
616 return -1;
617 }
618 int timeout = (transfer_start == last_advance_time) ? m_first_timeout : m_timeout;
619 if (now > last_advance_time + timeout) {
620 const char *log_prefix = rec.log_prefix.c_str();
621 bool tpc_pull = strncmp("Pull", log_prefix, 4) == 0;
622
623 state.SetErrorCode(10);
624 std::stringstream ss;
625 ss << "Transfer failed because no bytes have been "
626 << (tpc_pull ? "received from the source (pull mode) in "
627 : "transmitted to the destination (push mode) in ") << timeout << " seconds.";
628 state.SetErrorMessage(ss.str());
629 curl_multi_remove_handle(multi_handle, curl);
630 curl_multi_cleanup(multi_handle);
631 break;
632 }
633 last_marker = now;
634 }
635 // The transfer will start after this point, notify the packet marking manager
636 rec.pmarkManager.startTransfer();
637 mres = curl_multi_perform(multi_handle, &running_handles);
638 if (mres == CURLM_CALL_MULTI_PERFORM) {
639 // curl_multi_perform should be called again immediately. On newer
640 // versions of curl, this is no longer used.
641 continue;
642 } else if (mres != CURLM_OK) {
643 break;
644 } else if (running_handles == 0) {
645 break;
646 }
647
648 rec.pmarkManager.beginPMarks();
649 //printf("There are %d running handles\n", running_handles);
650
651 // Harvest any messages, looking for CURLMSG_DONE.
652 CURLMsg *msg;
653 do {
654 int msgq = 0;
655 msg = curl_multi_info_read(multi_handle, &msgq);
656 if (msg && (msg->msg == CURLMSG_DONE)) {
657 CURL *easy_handle = msg->easy_handle;
658 res = msg->data.result;
659 curl_multi_remove_handle(multi_handle, easy_handle);
660 }
661 } while (msg);
662
663 int64_t max_sleep_time = next_marker - time(NULL);
664 if (max_sleep_time <= 0) {
665 continue;
666 }
667 int fd_count;
668 mres = curl_multi_wait(multi_handle, NULL, 0, max_sleep_time*1000, &fd_count);
669 if (mres != CURLM_OK) {
670 break;
671 }
672 } while (running_handles);
673
674 if (mres != CURLM_OK) {
675 std::stringstream ss;
676 ss << "Internal libcurl multi-handle error: HTTP library failure=" << curl_multi_strerror(mres);
677 logTransferEvent(LogMask::Error, rec, "TRANSFER_CURL_ERROR", ss.str());
678
679 curl_multi_remove_handle(multi_handle, curl);
680 curl_multi_cleanup(multi_handle);
681
682 if ((retval = req.ChunkResp(generateClientErr(ss, rec).c_str(), 0))) {
683 logTransferEvent(LogMask::Error, rec, "RESPONSE_FAIL",
684 "Failed to send error message to the TPC client");
685 return retval;
686 }
687 return req.ChunkResp(NULL, 0);
688 }
689
690 // Harvest any messages, looking for CURLMSG_DONE.
691 CURLMsg *msg;
692 do {
693 int msgq = 0;
694 msg = curl_multi_info_read(multi_handle, &msgq);
695 if (msg && (msg->msg == CURLMSG_DONE)) {
696 CURL *easy_handle = msg->easy_handle;
697 res = msg->data.result;
698 curl_multi_remove_handle(multi_handle, easy_handle);
699 }
700 } while (msg);
701
702 if (!state.GetErrorCode() && res == static_cast<CURLcode>(-1)) { // No transfers returned?!?
703 curl_multi_remove_handle(multi_handle, curl);
704 curl_multi_cleanup(multi_handle);
705 std::stringstream ss;
706 ss << "Internal state error in libcurl";
707 logTransferEvent(LogMask::Error, rec, "TRANSFER_CURL_ERROR", ss.str());
708
709 if ((retval = req.ChunkResp(generateClientErr(ss, rec).c_str(), 0))) {
710 logTransferEvent(LogMask::Error, rec, "RESPONSE_FAIL",
711 "Failed to send error message to the TPC client");
712 return retval;
713 }
714 return req.ChunkResp(NULL, 0);
715 }
716 curl_multi_cleanup(multi_handle);
717
718 state.Flush();
719
720 rec.bytes_transferred = state.BytesTransferred();
721 rec.tpc_status = state.GetStatusCode();
722
723 // Explicitly finalize the stream (which will close the underlying file
724 // handle) before the response is sent. In some cases, subsequent HTTP
725 // requests can occur before the filesystem is done closing the handle -
726 // and those requests may occur against partial data.
727 state.Finalize();
728
729 // Generate the final response back to the client.
730 std::stringstream ss;
731 bool success = false;
732 if (state.GetStatusCode() >= 400) {
733 std::string err = state.GetErrorMessage();
734 std::stringstream ss2;
735 ss2 << "Remote side failed with status code " << state.GetStatusCode();
736 if (!err.empty()) {
737 std::replace(err.begin(), err.end(), '\n', ' ');
738 ss2 << "; error message: \"" << err << "\"";
739 }
740 logTransferEvent(LogMask::Error, rec, "TRANSFER_FAIL", ss2.str());
741 ss << generateClientErr(ss2, rec);
742 } else if (state.GetErrorCode()) {
743 std::string err = state.GetErrorMessage();
744 if (err.empty()) {err = "(no error message provided)";}
745 else {std::replace(err.begin(), err.end(), '\n', ' ');}
746 std::stringstream ss2;
747 ss2 << "Error when interacting with local filesystem: " << err;
748 logTransferEvent(LogMask::Error, rec, "TRANSFER_FAIL", ss2.str());
749 ss << generateClientErr(ss2, rec);
750 } else if (res != CURLE_OK) {
751 std::stringstream ss2;
752 ss2 << "Internal transfer failure";
753 std::stringstream ss3;
754 ss3 << ss2.str() << ": " << curl_easy_strerror(res);
755 logTransferEvent(LogMask::Error, rec, "TRANSFER_FAIL", ss3.str());
756 ss << generateClientErr(ss2, rec, res);
757 } else {
758 ss << "success: Created";
759 success = true;
760 }
761
762 if ((retval = req.ChunkResp(ss.str().c_str(), 0))) {
763 logTransferEvent(LogMask::Error, rec, "TRANSFER_ERROR",
764 "Failed to send last update to remote client");
765 return retval;
766 } else if (success) {
767 logTransferEvent(LogMask::Info, rec, "TRANSFER_SUCCESS");
768 rec.status = 0;
769 }
770 return req.ChunkResp(NULL, 0);
771}
772
773/******************************************************************************/
774/* T P C H a n d l e r : : P r o c e s s P u s h R e q */
775/******************************************************************************/
776
777int TPCHandler::ProcessPushReq(const std::string & resource, XrdHttpExtReq &req) {
778 TPCLogRecord rec(req, TpcType::Push);
779 rec.log_prefix = "PushRequest";
780 rec.local = req.resource;
781 rec.remote = resource;
782 rec.m_log = &m_log;
783 char *name = req.GetSecEntity().name;
784 req.GetClientID(rec.clID);
785 if (name) rec.name = name;
786 logTransferEvent(LogMask::Info, rec, "PUSH_START", "Starting a push request");
787
788 ManagedCurlHandle curlPtr(curl_easy_init());
789 auto curl = curlPtr.get();
790 if (!curl) {
791 std::stringstream ss;
792 ss << "Failed to initialize internal transfer resources";
793 rec.status = 500;
794 logTransferEvent(LogMask::Error, rec, "PUSH_FAIL", ss.str());
795 return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
796 }
797 curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
798 curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, (long) CURL_HTTP_VERSION_1_1);
799// curl_easy_setopt(curl, CURLOPT_SOCKOPTFUNCTION, sockopt_setcloexec_callback);
800
801 curl_easy_setopt(curl, CURLOPT_OPENSOCKETFUNCTION, opensocket_callback);
802 curl_easy_setopt(curl, CURLOPT_OPENSOCKETDATA, &rec);
803 curl_easy_setopt(curl, CURLOPT_CLOSESOCKETFUNCTION, closesocket_callback);
804 curl_easy_setopt(curl, CURLOPT_SOCKOPTFUNCTION, sockopt_callback);
805 curl_easy_setopt(curl, CURLOPT_CLOSESOCKETDATA, &rec);
806 curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, CONNECT_TIMEOUT);
807 auto query_header = XrdOucTUtils::caseInsensitiveFind(req.headers,"xrd-http-fullresource");
808 std::string redirect_resource = req.resource;
809 if (query_header != req.headers.end()) {
810 redirect_resource = query_header->second;
811 }
812
813 AtomicBeg(m_monid_mutex);
814 uint64_t file_monid = AtomicInc(m_monid);
815 AtomicEnd(m_monid_mutex);
816 std::unique_ptr<XrdSfsFile> fh(m_sfs->newFile(name, file_monid));
817 if (!fh.get()) {
818 rec.status = 500;
819 std::stringstream ss;
820 ss << "Failed to initialize internal transfer file handle";
821 logTransferEvent(LogMask::Error, rec, "OPEN_FAIL",
822 ss.str());
823 return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
824 }
825 std::string full_url = prepareURL(req);
826
827 std::string authz = GetAuthz(req);
828
829 int open_results = OpenWaitStall(*fh, full_url, SFS_O_RDONLY, 0644,
830 req.GetSecEntity(), authz);
831 if (SFS_REDIRECT == open_results) {
832 int result = RedirectTransfer(curl, redirect_resource, req, fh->error, rec);
833 return result;
834 } else if (SFS_OK != open_results) {
835 int code;
836 std::stringstream ss;
837 const char *msg = fh->error.getErrText(code);
838 if (msg == NULL) ss << "Failed to open local resource";
839 else ss << msg;
840 rec.status = 400;
841 if (code == EACCES) rec.status = 401;
842 else if (code == EEXIST) rec.status = 412;
843 logTransferEvent(LogMask::Error, rec, "OPEN_FAIL", msg);
844 int resp_result = req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
845 fh->close();
846 return resp_result;
847 }
848 ConfigureCurlCA(curl);
849 curl_easy_setopt(curl, CURLOPT_URL, resource.c_str());
850
851 Stream stream(std::move(fh), 0, 0, m_log);
852 State state(0, stream, curl, true, req.tpcForwardCreds);
853 state.SetupHeaders(req);
854
855 return RunCurlWithUpdates(curl, req, state, rec);
856}
857
858/******************************************************************************/
859/* T P C H a n d l e r : : P r o c e s s P u l l R e q */
860/******************************************************************************/
861
862int TPCHandler::ProcessPullReq(const std::string &resource, XrdHttpExtReq &req) {
863 TPCLogRecord rec(req,TpcType::Pull);
864 rec.log_prefix = "PullRequest";
865 rec.local = req.resource;
866 rec.remote = resource;
867 rec.m_log = &m_log;
868 char *name = req.GetSecEntity().name;
869 req.GetClientID(rec.clID);
870 if (name) rec.name = name;
871 logTransferEvent(LogMask::Info, rec, "PULL_START", "Starting a pull request");
872
873 ManagedCurlHandle curlPtr(curl_easy_init());
874 auto curl = curlPtr.get();
875 if (!curl) {
876 std::stringstream ss;
877 ss << "Failed to initialize internal transfer resources";
878 rec.status = 500;
879 logTransferEvent(LogMask::Error, rec, "PULL_FAIL", ss.str());
880 return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
881 }
882 // ddavila 2023-01-05:
883 // The following change was required by the Rucio/SENSE project where
884 // multiple IP addresses, each from a different subnet, are assigned to a
885 // single server and routed differently by SENSE.
886 // The above requires the server to utilize the same IP, that was used to
887 // start the TPC, for the resolution of the given TPC instead of
888 // using any of the IPs available.
889 if (m_fixed_route){
890 XrdNetAddr *nP;
891 int numIP = 0;
892 char buff[1024];
893 char * ip;
894
895 // Get the hostname used to contact the server from the http header
896 auto host_header = XrdOucTUtils::caseInsensitiveFind(req.headers,"host");
897 std::string host_used;
898 if (host_header != req.headers.end()) {
899 host_used = host_header->second;
900 }
901
902 // Get the IP addresses associated with the above hostname
903 XrdNetUtils::GetAddrs(host_used.c_str(), &nP, numIP, XrdNetUtils::prefAuto, 0);
904 int ip_size = nP[0].Format(buff, 1024, XrdNetAddrInfo::fmtAddr,XrdNetAddrInfo::noPort);
905 ip = (char *)malloc(ip_size-1);
906
907 // Substring to get only the address, remove brackets and garbage
908 memcpy(ip, buff+1, ip_size-2);
909 ip[ip_size-2]='\0';
910 logTransferEvent(LogMask::Info, rec, "LOCAL IP", ip);
911
912 curl_easy_setopt(curl, CURLOPT_INTERFACE, ip);
913 }
914 curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
915 curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, (long) CURL_HTTP_VERSION_1_1);
916// curl_easy_setopt(curl,CURLOPT_SOCKOPTFUNCTION,sockopt_setcloexec_callback);
917 curl_easy_setopt(curl, CURLOPT_OPENSOCKETFUNCTION, opensocket_callback);
918 curl_easy_setopt(curl, CURLOPT_OPENSOCKETDATA, &rec);
919 curl_easy_setopt(curl, CURLOPT_SOCKOPTFUNCTION, sockopt_callback);
920 curl_easy_setopt(curl, CURLOPT_SOCKOPTDATA , &rec);
921 curl_easy_setopt(curl, CURLOPT_CLOSESOCKETFUNCTION, closesocket_callback);
922 curl_easy_setopt(curl, CURLOPT_CLOSESOCKETDATA, &rec);
923 curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, CONNECT_TIMEOUT);
924 std::unique_ptr<XrdSfsFile> fh(m_sfs->newFile(name, m_monid++));
925 if (!fh.get()) {
926 std::stringstream ss;
927 ss << "Failed to initialize internal transfer file handle";
928 rec.status = 500;
929 logTransferEvent(LogMask::Error, rec, "PULL_FAIL", ss.str());
930 return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
931 }
932 auto query_header = XrdOucTUtils::caseInsensitiveFind(req.headers,"xrd-http-fullresource");
933 std::string redirect_resource = req.resource;
934 if (query_header != req.headers.end()) {
935 redirect_resource = query_header->second;
936 }
938 auto overwrite_header = XrdOucTUtils::caseInsensitiveFind(req.headers,"overwrite");
939 if ((overwrite_header == req.headers.end()) || (overwrite_header->second == "T")) {
940 if (! usingEC) mode = SFS_O_TRUNC;
941 }
942 int streams = 1;
943 {
944 auto streams_header = XrdOucTUtils::caseInsensitiveFind(req.headers,"x-number-of-streams");
945 if (streams_header != req.headers.end()) {
946 int stream_req = -1;
947 try {
948 stream_req = std::stol(streams_header->second);
949 } catch (...) { // Handled below
950 }
951 if (stream_req < 0 || stream_req > 100) {
952 std::stringstream ss;
953 ss << "Invalid request for number of streams";
954 rec.status = 400;
955 logTransferEvent(LogMask::Info, rec, "INVALID_REQUEST", ss.str());
956 return req.SendSimpleResp(rec.status, NULL, NULL, generateClientErr(ss, rec).c_str(), 0);
957 }
958 streams = stream_req == 0 ? 1 : stream_req;
959 }
960 }
961 rec.streams = streams;
962 std::string full_url = prepareURL(req);
963 std::string authz = GetAuthz(req);
964 curl_easy_setopt(curl, CURLOPT_URL, resource.c_str());
965 ConfigureCurlCA(curl);
966 uint64_t sourceFileContentLength = 0;
967 {
968 //Get the content-length of the source file and pass it to the OSS layer
969 //during the open
970 bool success;
971 GetContentLengthTPCPull(curl, req, sourceFileContentLength, success, rec);
972 if(success) {
973 //In the case we cannot get the information from the source server (offline or other error)
974 //we just don't add the size information to the opaque of the local file to open
975 full_url += "&oss.asize=" + std::to_string(sourceFileContentLength);
976 } else {
977 // In the case the GetContentLength is not successful, an error will be returned to the client
978 // just exit here so we don't open the file!
979 return 0;
980 }
981 }
982 int open_result = OpenWaitStall(*fh, full_url, mode|SFS_O_WRONLY,
983 0644 | SFS_O_MKPTH,
984 req.GetSecEntity(), authz);
985 if (SFS_REDIRECT == open_result) {
986 int result = RedirectTransfer(curl, redirect_resource, req, fh->error, rec);
987 return result;
988 } else if (SFS_OK != open_result) {
989 int code;
990 std::stringstream ss;
991 const char *msg = fh->error.getErrText(code);
992 if ((msg == NULL) || (*msg == '\0')) ss << "Failed to open local resource";
993 else ss << msg;
994 rec.status = 400;
995 if (code == EACCES) rec.status = 401;
996 else if (code == EEXIST) rec.status = 412;
997 logTransferEvent(LogMask::Error, rec, "OPEN_FAIL", ss.str());
998 int resp_result = req.SendSimpleResp(rec.status, NULL, NULL,
999 generateClientErr(ss, rec).c_str(), 0);
1000 fh->close();
1001 return resp_result;
1002 }
1003 Stream stream(std::move(fh), streams * m_pipelining_multiplier, streams > 1 ? m_block_size : m_small_block_size, m_log);
1004 State state(0, stream, curl, false, req.tpcForwardCreds);
1005 state.SetupHeaders(req);
1006 state.SetContentLength(sourceFileContentLength);
1007
1008 if (streams > 1) {
1009 return RunCurlWithStreams(req, state, streams, rec);
1010 } else {
1011 return RunCurlWithUpdates(curl, req, state, rec);
1012 }
1013}
1014
1015/******************************************************************************/
1016/* 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 */
1017/******************************************************************************/
1018
1019void TPCHandler::logTransferEvent(LogMask mask, const TPCLogRecord &rec,
1020 const std::string &event, const std::string &message)
1021{
1022 if (!(m_log.getMsgMask() & mask)) {return;}
1023
1024 std::stringstream ss;
1025 ss << "event=" << event << ", local=" << rec.local << ", remote=" << rec.remote;
1026 if (rec.name.empty())
1027 ss << ", user=(anonymous)";
1028 else
1029 ss << ", user=" << rec.name;
1030 if (rec.streams != 1)
1031 ss << ", streams=" << rec.streams;
1032 if (rec.bytes_transferred >= 0)
1033 ss << ", bytes_transferred=" << rec.bytes_transferred;
1034 if (rec.status >= 0)
1035 ss << ", status=" << rec.status;
1036 if (rec.tpc_status >= 0)
1037 ss << ", tpc_status=" << rec.tpc_status;
1038 if (!message.empty())
1039 ss << "; " << message;
1040 m_log.Log(mask, rec.log_prefix.c_str(), ss.str().c_str());
1041}
1042
1043std::string TPCHandler::generateClientErr(std::stringstream &err_ss, const TPCLogRecord &rec, CURLcode cCode) {
1044 std::stringstream ssret;
1045 ssret << "failure: " << err_ss.str() << ", local=" << rec.local <<", remote=" << rec.remote;
1046 if(cCode != CURLcode::CURLE_OK) {
1047 ssret << ", HTTP library failure=" << curl_easy_strerror(cCode);
1048 }
1049 return ssret.str();
1050}
1051/******************************************************************************/
1052/* X r d H t t p G e t E x t H a n d l e r */
1053/******************************************************************************/
1054
1055extern "C" {
1056
1057XrdHttpExtHandler *XrdHttpGetExtHandler(XrdSysError *log, const char * config, const char * /*parms*/, XrdOucEnv *myEnv) {
1058 if (curl_global_init(CURL_GLOBAL_DEFAULT)) {
1059 log->Emsg("TPCInitialize", "libcurl failed to initialize");
1060 return NULL;
1061 }
1062
1063 TPCHandler *retval{NULL};
1064 if (!config) {
1065 log->Emsg("TPCInitialize", "TPC handler requires a config filename in order to load");
1066 return NULL;
1067 }
1068 try {
1069 log->Emsg("TPCInitialize", "Will load configuration for the TPC handler from", config);
1070 retval = new TPCHandler(log, config, myEnv);
1071 } catch (std::runtime_error &re) {
1072 log->Emsg("TPCInitialize", "Encountered a runtime failure when loading ", re.what());
1073 //printf("Provided env vars: %p, XrdInet*: %p\n", myEnv, myEnv->GetPtr("XrdInet*"));
1074 }
1075 return retval;
1076}
1077
1078}
XrdHttpExtHandler * XrdHttpGetExtHandler(XrdHttpExtHandlerArgs)
void CURL
static std::string PrepareURL(const std::string &input)
XrdVERSIONINFO(XrdHttpGetExtHandler, HttpTPC)
std::string encode_xrootd_opaque_to_uri(CURL *curl, const std::string &opaque)
XrdHttpExtHandler * XrdHttpGetExtHandler(XrdSysError *log, const char *config, const char *, XrdOucEnv *myEnv)
std::string encode_str(const std::string &str)
#define close(a)
Definition XrdPosix.hh:48
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)
if(ec< 0) ec
int GetStatusCode() const
off_t BytesTransferred() const
void SetErrorMessage(const std::string &error_msg)
int GetErrorCode() const
std::string GetErrorMessage() const
std::string GetConnectionDescription()
void SetupHeaders(XrdHttpExtReq &req)
void SetContentLength(const off_t content_length)
off_t GetContentLength() const
void SetErrorCode(int error_code)
TPCHandler(XrdSysError *log, const char *config, XrdOucEnv *myEnv)
virtual int ProcessReq(XrdHttpExtReq &req)
virtual ~TPCHandler()
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.
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
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 std::string prepareOpenURL(const std::string &reqResource, std::map< std::string, std::string > &reqHeaders, const std::map< std::string, std::string > &hdr2cgimap)
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)
void * GetPtr(const char *varname)
Definition XrdOucEnv.cc:263
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)
char * name
Entity's name.
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)
XrdSysLogger * logger(XrdSysLogger *lp=0)
void Log(int mask, const char *esfx, const char *text1, const char *text2=0, const char *text3=0)
bool atLeastOneValidCRLFound() const
std::string CAFilename() const
std::string CRLFilename() const
void Report(TpcInfo &info)
std::unique_ptr< CURL, CurlDeleter > ManagedCurlHandle
void operator()(CURL *curl)
static const int uIPv64
ucap: Supports only IPv4 info