1 // This file is part of BOINC.
2 // http://boinc.berkeley.edu
3 // Copyright (C) 2008 University of California
4 //
5 // BOINC is free software; you can redistribute it and/or modify it
6 // under the terms of the GNU Lesser General Public License
7 // as published by the Free Software Foundation,
8 // either version 3 of the License, or (at your option) any later version.
9 //
10 // BOINC is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 // See the GNU Lesser General Public License for more details.
14 //
15 // You should have received a copy of the GNU Lesser General Public License
16 // along with BOINC.  If not, see <http://www.gnu.org/licenses/>.
17 
18 #include "cpp.h"
19 
20 #ifdef _WIN32
21 #include "boinc_win.h"
22 #else
23 #include "config.h"
24 #include <cmath>
25 #include <cstdlib>
26 #include <cstdio>
27 #include <ctime>
28 #endif
29 
30 #ifdef _MSC_VER
31 #define snprintf _snprintf
32 #endif
33 
34 #include "error_numbers.h"
35 #include "filesys.h"
36 #include "parse.h"
37 #include "str_util.h"
38 #include "str_replace.h"
39 #include "util.h"
40 
41 #include "client_state.h"
42 #include "client_types.h"
43 #include "client_msgs.h"
44 #include "file_names.h"
45 #include "log_flags.h"
46 #include "main.h"
47 #include "project.h"
48 #include "result.h"
49 #include "scheduler_op.h"
50 
51 using std::vector;
52 
SCHEDULER_OP(HTTP_OP_SET * h)53 SCHEDULER_OP::SCHEDULER_OP(HTTP_OP_SET* h) {
54     scheduler_op_retval = 0;
55     http_op.http_op_state = HTTP_STATE_IDLE;
56     http_ops = h;
57     safe_strcpy(scheduler_url,"");
58     url_index = 0;
59     cur_proj = NULL;
60     state = SCHEDULER_OP_STATE_IDLE;
61     reason = 0;
62     url_random = 0.0;
63 }
64 
65 // See if there's a pending master file fetch.
66 // If so, start it and return true.
67 //
check_master_fetch_start()68 bool SCHEDULER_OP::check_master_fetch_start() {
69     int retval;
70 
71     PROJECT* p = gstate.next_project_master_pending();
72     if (!p) return false;
73     retval = init_master_fetch(p);
74     if (retval) {
75         msg_printf(p, MSG_INTERNAL_ERROR,
76             "Couldn't start download of scheduler list: %s", boincerror(retval)
77         );
78         p->master_fetch_failures++;
79         project_rpc_backoff(p, "scheduler list fetch failed\n");
80         return false;
81     }
82     msg_printf(p, MSG_INFO, "Fetching scheduler list");
83     return true;
84 }
85 
86 #ifndef SIM
87 
88 // try to initiate an RPC to the given project.
89 // If there are multiple schedulers, start with a random one.
90 // User messages and project RPC backoff is done at this level.
91 //
init_op_project(PROJECT * p,int r)92 int SCHEDULER_OP::init_op_project(PROJECT* p, int r) {
93     int retval;
94     char err_msg[256];
95 
96     reason = r;
97     if (log_flags.sched_op_debug) {
98         msg_printf(p, MSG_INFO,
99             "[sched_op] Starting scheduler request"
100         );
101     }
102 
103     // if project has no schedulers,
104     // skip everything else and just get its master file.
105     //
106     if (p->scheduler_urls.size() == 0) {
107         retval = init_master_fetch(p);
108         if (retval) {
109             snprintf(err_msg, sizeof(err_msg),
110                 "Scheduler list fetch initialization failed: %d\n", retval
111             );
112             project_rpc_backoff(p, err_msg);
113         }
114         return retval;
115     }
116 
117     if (reason == RPC_REASON_INIT) {
118         work_fetch.set_initial_work_request(p);
119         if (!gstate.cpu_benchmarks_done()) {
120             gstate.cpu_benchmarks_set_defaults();
121         }
122     }
123 
124     url_index = 0;
125     retval = gstate.make_scheduler_request(p);
126     if (!retval) {
127         retval = start_rpc(p);
128     }
129     if (retval) {
130         snprintf(err_msg, sizeof(err_msg),
131             "scheduler request to %s failed: %s\n",
132             p->get_scheduler_url(url_index, url_random), boincerror(retval)
133         );
134         project_rpc_backoff(p, err_msg);
135     } else {
136         // RPC started OK, so we must have network connectivity.
137         // Now's a good time to check for new BOINC versions
138         // and project list
139         //
140         if (!cc_config.no_info_fetch) {
141             gstate.new_version_check();
142             gstate.all_projects_list_check();
143         }
144     }
145     return retval;
146 }
147 
148 #endif
149 
150 // One of the following errors occurred:
151 // - connection failure in fetching master file
152 // - connection failure in scheduler RPC
153 // - got master file, but it didn't have any <scheduler> elements
154 // - tried all schedulers, none responded
155 // - sent nonzero work request, got a reply with no work
156 //
157 // Back off contacting this project's schedulers,
158 // and output an error msg if needed
159 //
project_rpc_backoff(PROJECT * p,const char * reason_msg)160 void SCHEDULER_OP::project_rpc_backoff(PROJECT* p, const char *reason_msg) {
161     char buf[1024];
162 
163     if (gstate.in_abort_sequence) {
164         return;
165     }
166 
167     if (p->master_fetch_failures >= gstate.master_fetch_retry_cap) {
168         snprintf(buf, sizeof(buf),
169             "%d consecutive failures fetching scheduler list",
170             p->master_fetch_failures
171         );
172         p->master_url_fetch_pending = true;
173         p->set_min_rpc_time(gstate.now + gstate.master_fetch_interval, buf);
174         return;
175     }
176 
177     // if nrpc failures is master_fetch_period,
178     // then set master_url_fetch_pending and initialize again
179     //
180     if (p->nrpc_failures == gstate.master_fetch_period) {
181         p->master_url_fetch_pending = true;
182         p->min_rpc_time = 0;
183         p->nrpc_failures = 0;
184         p->master_fetch_failures++;
185     }
186 
187     // if network is down, don't count it as RPC failure
188     //
189     if (!net_status.need_physical_connection) {
190         p->nrpc_failures++;
191     }
192     //msg_printf(p, MSG_INFO, "nrpc_failures %d need_conn %d", p->nrpc_failures, gstate.need_physical_connection);
193 
194     int n = p->nrpc_failures;
195     if (n > gstate.retry_cap) n = gstate.retry_cap;
196     double exp_backoff = calculate_exponential_backoff(
197         n, gstate.sched_retry_delay_min, gstate.sched_retry_delay_max
198     );
199     //msg_printf(p, MSG_INFO, "simulating backoff of %f", exp_backoff);
200     p->set_min_rpc_time(gstate.now + exp_backoff, reason_msg);
201 }
202 
203 
204 // RPC failed, either on startup or later.
205 // If RPC was requested by project or acct mgr, or init,
206 // keep trying (subject to backoff); otherwise give up.
207 // The other cases (results_dur, need_work, project req, and trickle_up)
208 // will be retriggered automatically
209 //
rpc_failed(const char * msg)210 void SCHEDULER_OP::rpc_failed(const char* msg) {
211     project_rpc_backoff(cur_proj, msg);
212     switch (cur_proj->sched_rpc_pending) {
213     case RPC_REASON_INIT:
214     case RPC_REASON_ACCT_MGR_REQ:
215         break;
216     default:
217         cur_proj->sched_rpc_pending = 0;
218     }
219     cur_proj = 0;
220 }
221 
request_string(char * buf,int len)222 static void request_string(char* buf, int len) {
223     bool first = true;
224     strlcpy(buf, "", len);
225     for (int i=0; i<coprocs.n_rsc; i++) {
226         if (rsc_work_fetch[i].req_secs) {
227             if (!first) strlcat(buf, " and ", len);
228             strlcat(buf, rsc_name_long(i), len);
229             first = false;
230         }
231     }
232 }
233 
234 // low-level routine to initiate an RPC
235 // If successful, creates an HTTP_OP that must be polled
236 // PRECONDITION: the request file has been created
237 //
start_rpc(PROJECT * p)238 int SCHEDULER_OP::start_rpc(PROJECT* p) {
239     int retval;
240     char request_file[1024], reply_file[1024], buf[1024];
241 
242     safe_strcpy(scheduler_url, p->get_scheduler_url(url_index, url_random));
243     if (log_flags.sched_ops) {
244         msg_printf(p, MSG_INFO,
245             "Sending scheduler request: %s.", rpc_reason_string(reason)
246         );
247         if (p->trickle_up_pending && reason != RPC_REASON_TRICKLE_UP) {
248             msg_printf(p, MSG_INFO, "Sending trickle-up message");
249         }
250         if (p->nresults_returned) {
251             msg_printf(p, MSG_INFO,
252                 "Reporting %d completed tasks", p->nresults_returned
253             );
254         }
255         request_string(buf, sizeof(buf));
256         if (strlen(buf)) {
257             msg_printf(p, MSG_INFO, "Requesting new tasks for %s", buf);
258         } else {
259             if (p->pwf.project_reason) {
260                 msg_printf(p, MSG_INFO,
261                     "Not requesting tasks: %s", project_reason_string(p, buf, sizeof(buf))
262                 );
263             } else {
264                 msg_printf(p, MSG_INFO, "Not requesting tasks");
265             }
266         }
267     }
268     if (log_flags.sched_op_debug) {
269         for (int i=0; i<coprocs.n_rsc; i++) {
270             msg_printf(p, MSG_INFO,
271                 "[sched_op] %s work request: %.2f seconds; %.2f devices",
272                 rsc_name_long(i),
273                 rsc_work_fetch[i].req_secs,
274                 rsc_work_fetch[i].req_instances
275             );
276         }
277     }
278 
279     get_sched_request_filename(*p, request_file, sizeof(request_file));
280     get_sched_reply_filename(*p, reply_file, sizeof(reply_file));
281 
282     cur_proj = p;
283     retval = http_op.init_post(p, scheduler_url, request_file, reply_file);
284     if (retval) {
285         if (log_flags.sched_ops) {
286             msg_printf(p, MSG_INFO,
287                 "Scheduler request initialization failed: %s", boincerror(retval)
288             );
289         }
290         rpc_failed("Scheduler request initialization failed");
291         return retval;
292     }
293     http_ops->insert(&http_op);
294     p->rpc_seqno++;
295     state = SCHEDULER_OP_STATE_RPC;
296     return 0;
297 }
298 
299 // initiate a fetch of a project's master URL file
300 //
init_master_fetch(PROJECT * p)301 int SCHEDULER_OP::init_master_fetch(PROJECT* p) {
302     int retval;
303     char master_filename[256];
304 
305     get_master_filename(*p, master_filename, sizeof(master_filename));
306 
307     if (log_flags.sched_op_debug) {
308         msg_printf(p, MSG_INFO, "[sched_op] Fetching master file");
309     }
310     cur_proj = p;
311     retval = http_op.init_get(p, p->master_url, master_filename, true, 0, 0);
312     if (retval) {
313         if (log_flags.sched_ops) {
314             msg_printf(p, MSG_INFO,
315                 "Master file fetch failed: %s", boincerror(retval)
316             );
317         }
318         rpc_failed("Master file fetch initialization failed");
319         return retval;
320     }
321     http_ops->insert(&http_op);
322     state = SCHEDULER_OP_STATE_GET_MASTER;
323     return 0;
324 }
325 
326 // parse a master file.
327 //
parse_master_file(PROJECT * p,vector<string> & urls)328 int SCHEDULER_OP::parse_master_file(PROJECT* p, vector<string> &urls) {
329     char buf[256], buf2[256];
330     char master_filename[256];
331     string str;
332     FILE* f;
333     int n;
334 
335     get_master_filename(*p, master_filename, sizeof(master_filename));
336     f = boinc_fopen(master_filename, "r");
337     if (!f) {
338         msg_printf(p, MSG_INTERNAL_ERROR, "Can't open scheduler list file");
339         return ERR_FOPEN;
340     }
341     p->scheduler_urls.clear();
342     while (fgets(buf, 256, f)) {
343 
344         // allow for the possibility of > 1 tag per line here
345         // (UMTS may collapse lines)
346         //
347         char* q = buf;
348         while (q && parse_str(q, "<scheduler>", str)) {
349             push_unique(str, urls);
350             q = strstr(q, "</scheduler>");
351             if (q) q += strlen("</scheduler>");
352         }
353 
354         // check for new syntax: <link ...>
355         //
356         q = buf;
357         while (q) {
358             n = sscanf(q, "<link rel=\"boinc_scheduler\" href=\"%s", buf2);
359             if (n == 1) {
360                 char* q2 = strchr(buf2, '"');
361                 if (q2) *q2 = 0;
362                 strip_whitespace(buf2);
363                 str = string(buf2);
364                 push_unique(str, urls);
365             }
366             q = strchr(q, '>');
367             if (q) q = strchr(q, '<');
368         }
369     }
370     fclose(f);
371     if (log_flags.sched_op_debug) {
372         msg_printf(p, MSG_INFO,
373             "[sched_op] Found %d scheduler URLs in master file\n",
374             (int)urls.size()
375         );
376     }
377 
378     // couldn't find any scheduler URLs in the master file?
379     //
380     if ((int) urls.size() == 0) {
381         msg_printf(p, MSG_INTERNAL_ERROR,
382             "No scheduler URLs found in master file\n"
383         );
384         p->sched_rpc_pending = 0;
385         return ERR_XML_PARSE;
386     }
387 
388     return 0;
389 }
390 
391 // A master file has just been read.
392 // transfer scheduler URLs to project.
393 // Return true if any of them is new
394 //
update_urls(PROJECT * p,vector<string> & urls)395 bool SCHEDULER_OP::update_urls(PROJECT* p, vector<string> &urls) {
396     unsigned int i, j;
397     bool found, any_new;
398 
399     any_new = false;
400     for (i=0; i<urls.size(); i++) {
401         found = false;
402         for (j=0; j<p->scheduler_urls.size(); j++) {
403             if (urls[i] == p->scheduler_urls[j]) {
404                 found = true;
405                 break;
406             }
407         }
408         if (!found) any_new = true;
409     }
410 
411     p->scheduler_urls.clear();
412     for (i=0; i<urls.size(); i++) {
413         p->scheduler_urls.push_back(urls[i]);
414     }
415 
416     return any_new;
417 }
418 
419 #ifndef SIM
420 
421 // poll routine.  If an operation is in progress, check for completion
422 //
poll()423 bool SCHEDULER_OP::poll() {
424     int retval;
425     vector<string> urls;
426     bool changed;
427 
428     switch(state) {
429     case SCHEDULER_OP_STATE_GET_MASTER:
430         // here we're fetching the master file for a project
431         //
432         if (http_op.http_op_state == HTTP_STATE_DONE) {
433             state = SCHEDULER_OP_STATE_IDLE;
434             cur_proj->master_url_fetch_pending = false;
435             http_ops->remove(&http_op);
436             if (http_op.http_op_retval == 0) {
437                 if (log_flags.sched_op_debug) {
438                     msg_printf(cur_proj, MSG_INFO,
439                         "[sched_op] Got master file; parsing"
440                     );
441                 }
442                 retval = parse_master_file(cur_proj, urls);
443                 if (retval || (urls.size()==0)) {
444                     // master file parse failed.
445                     //
446                     cur_proj->master_fetch_failures++;
447                     rpc_failed("Couldn't parse scheduler list");
448                 } else {
449                     // parse succeeded
450                     //
451                     msg_printf(cur_proj, MSG_INFO, "Master file download succeeded");
452                     cur_proj->master_fetch_failures = 0;
453                     changed = update_urls(cur_proj, urls);
454 
455                     // reenable scheduler RPCs if have new URLs
456                     //
457                     if (changed) {
458                         cur_proj->min_rpc_time = 0;
459                         cur_proj->nrpc_failures = 0;
460                     }
461                 }
462             } else {
463                 // master file fetch failed.
464                 //
465                 char buf[256];
466                 snprintf(buf, sizeof(buf), "Scheduler list fetch failed: %s",
467                     boincerror(http_op.http_op_retval)
468                 );
469                 cur_proj->master_fetch_failures++;
470                 rpc_failed("Master file request failed");
471             }
472             gstate.set_client_state_dirty("Master fetch complete");
473             gstate.request_work_fetch("Master fetch complete");
474             cur_proj = NULL;
475             return true;
476         }
477         break;
478     case SCHEDULER_OP_STATE_RPC:
479 
480         // here we're doing a scheduler RPC
481         //
482         if (http_op.http_op_state == HTTP_STATE_DONE) {
483             state = SCHEDULER_OP_STATE_IDLE;
484             http_ops->remove(&http_op);
485             if (http_op.http_op_retval) {
486                 if (log_flags.sched_ops) {
487                     msg_printf(cur_proj, MSG_INFO,
488                         "Scheduler request failed: %s", http_op.error_msg
489                     );
490                 }
491 
492                 // scheduler RPC failed.  Try another scheduler if one exists
493                 //
494                 while (1) {
495                     url_index++;
496                     if (url_index == (int)cur_proj->scheduler_urls.size()) {
497                         break;
498                     }
499                     retval = start_rpc(cur_proj);
500                     if (!retval) return true;
501                 }
502                 if (url_index == (int) cur_proj->scheduler_urls.size()) {
503                     rpc_failed("Scheduler request failed");
504                 }
505             } else {
506                 retval = gstate.handle_scheduler_reply(cur_proj, scheduler_url);
507                 switch (retval) {
508                 case 0:
509                     break;
510                 case ERR_PROJECT_DOWN:
511                     project_rpc_backoff(cur_proj, "project is down");
512                     break;
513                 default:
514                     project_rpc_backoff(cur_proj, "can't parse scheduler reply");
515                     break;
516                 }
517                 cur_proj->sched_rpc_pending = 0;
518                     // do this after handle_scheduler_reply()
519             }
520             cur_proj = NULL;
521             gstate.set_client_state_dirty("RPC complete");
522             gstate.request_work_fetch("RPC complete");
523             return true;
524         }
525     }
526     return false;
527 }
528 
529 #endif
530 
abort(PROJECT * p)531 void SCHEDULER_OP::abort(PROJECT* p) {
532     if (state != SCHEDULER_OP_STATE_IDLE && cur_proj == p) {
533         gstate.http_ops->remove(&http_op);
534         state = SCHEDULER_OP_STATE_IDLE;
535         cur_proj = NULL;
536     }
537 }
538 
clear()539 void SCHEDULER_REPLY::clear() {
540     hostid = 0;
541     request_delay = 0;
542     next_rpc_delay = 0;
543     messages.clear();
544     global_prefs_xml = 0;
545     project_prefs_xml = 0;
546     safe_strcpy(master_url, "");
547     safe_strcpy(host_venue, "");
548     user_create_time = 0;
549     code_sign_key = 0;
550     code_sign_key_signature = 0;
551     message_ack = false;
552     project_is_down = false;
553     send_file_list = false;
554     send_full_workload = false;
555     dont_use_dcf = false;
556     send_time_stats_log = 0;
557     send_job_log = 0;
558     scheduler_version = 0;
559     got_rss_feeds = false;
560 }
561 
SCHEDULER_REPLY()562 SCHEDULER_REPLY::SCHEDULER_REPLY() {
563     clear();
564 }
565 
~SCHEDULER_REPLY()566 SCHEDULER_REPLY::~SCHEDULER_REPLY() {
567     if (global_prefs_xml) free(global_prefs_xml);
568     if (project_prefs_xml) free(project_prefs_xml);
569     if (code_sign_key) free(code_sign_key);
570     if (code_sign_key_signature) free(code_sign_key_signature);
571 }
572 
573 #ifndef SIM
574 
handle_no_rsc_apps(const char * name,PROJECT * p,bool value)575 static void handle_no_rsc_apps(const char* name, PROJECT* p, bool value) {
576     int i = rsc_index(name);
577     if (i < 0) return;
578     p->no_rsc_apps[i] = value;
579 }
580 
581 // parse a scheduler reply.
582 // Some of the items go into the SCHEDULER_REPLY object.
583 // Others are copied straight to the PROJECT
584 //
parse(FILE * in,PROJECT * project)585 int SCHEDULER_REPLY::parse(FILE* in, PROJECT* project) {
586     char buf[256], msg_buf[1024], pri_buf[256], attr_buf[256];
587     int retval;
588     MIOFILE mf;
589     XML_PARSER xp(&mf);
590     string delete_file_name;
591     bool verify_files_on_app_start = false;
592     bool non_cpu_intensive = false;
593     bool ended = false;
594 
595     mf.init_file(in);
596     bool found_start_tag = false, btemp;
597     double cpid_time = 0;
598 
599     clear();
600     safe_strcpy(host_venue, project->host_venue);
601         // the project won't send us a venue if it's doing maintenance
602         // or doesn't check the DB because no work.
603         // Don't overwrite the host venue in that case.
604     sr_feeds.clear();
605     trickle_up_urls.clear();
606 
607     if (!project->anonymous_platform) {
608         for (int i=0; i<MAX_RSC; i++) {
609             project->no_rsc_apps[i] = false;
610         }
611     }
612 
613     // First line should either be tag (HTTP 1.0) or
614     // hex length of response (HTTP 1.1)
615     //
616     while (!xp.get_tag(attr_buf, sizeof(attr_buf))) {
617         if (!found_start_tag) {
618             if (xp.match_tag("scheduler_reply")) {
619                 found_start_tag = true;
620             }
621             continue;
622         }
623         if (xp.match_tag("/scheduler_reply")) {
624 
625             // update statistics after parsing the scheduler reply
626             // add new record if vector is empty or we have a new day
627             //
628             if (project->statistics.empty() || project->statistics.back().day!=dday()) {
629                 project->trim_statistics();
630                 DAILY_STATS nds;
631                 project->statistics.push_back(nds);
632             }
633             DAILY_STATS& ds = project->statistics.back();
634             ds.day=dday();
635             ds.user_total_credit=project->user_total_credit;
636             ds.user_expavg_credit=project->user_expavg_credit;
637             ds.host_total_credit=project->host_total_credit;
638             ds.host_expavg_credit=project->host_expavg_credit;
639 
640             project->write_statistics_file();
641 
642             if (cpid_time) {
643                 project->cpid_time = cpid_time;
644             } else {
645                 project->cpid_time = project->user_create_time;
646             }
647             if (project->dont_use_dcf) {
648                 project->duration_correction_factor = 1;
649             }
650 
651             // boolean project attributes.
652             // If the scheduler reply didn't specify them, they're not set.
653             //
654             project->verify_files_on_app_start = verify_files_on_app_start;
655             project->non_cpu_intensive = non_cpu_intensive;
656             project->ended = ended;
657             return 0;
658         }
659         else if (xp.parse_str("project_name", project->project_name, sizeof(project->project_name))) {
660             continue;
661         }
662         else if (xp.parse_str("master_url", master_url, sizeof(master_url))) {
663             continue;
664         }
665         else if (xp.parse_str("symstore", project->symstore, sizeof(project->symstore))) continue;
666         else if (xp.parse_str("user_name", project->user_name, sizeof(project->user_name))) continue;
667         else if (xp.parse_double("user_total_credit", project->user_total_credit)) continue;
668         else if (xp.parse_double("user_expavg_credit", project->user_expavg_credit)) continue;
669         else if (xp.parse_double("user_create_time", project->user_create_time)) continue;
670         else if (xp.parse_double("cpid_time", cpid_time)) continue;
671         else if (xp.parse_str("team_name", project->team_name, sizeof(project->team_name))) continue;
672         else if (xp.parse_int("hostid", hostid)) continue;
673         else if (xp.parse_double("host_total_credit", project->host_total_credit)) continue;
674         else if (xp.parse_double("host_expavg_credit", project->host_expavg_credit)) continue;
675         else if (xp.parse_str("host_venue", host_venue, sizeof(host_venue))) continue;
676         else if (xp.parse_double("host_create_time", project->host_create_time)) continue;
677         else if (xp.parse_double("request_delay", request_delay)) continue;
678         else if (xp.parse_double("next_rpc_delay", next_rpc_delay)) continue;
679         else if (xp.match_tag("global_preferences")) {
680             retval = dup_element_contents(
681                 xp.f->f,
682                 "</global_preferences>",
683                 &global_prefs_xml
684             );
685             if (retval) {
686                 msg_printf(project, MSG_INTERNAL_ERROR,
687                     "Can't parse global prefs in scheduler reply: %s",
688                     boincerror(retval)
689                 );
690                 return retval;
691             }
692         } else if (xp.match_tag("project_preferences")) {
693             retval = dup_element_contents(
694                 xp.f->f,
695                 "</project_preferences>",
696                 &project_prefs_xml
697             );
698             if (retval) {
699                 msg_printf(project, MSG_INTERNAL_ERROR,
700                     "Can't parse project prefs in scheduler reply: %s",
701                     boincerror(retval)
702                 );
703                 return retval;
704             }
705         } else if (xp.match_tag("gui_urls")) {
706             string foo;
707             retval = copy_element_contents(xp.f->f, "</gui_urls>", foo);
708             if (retval) {
709                 msg_printf(project, MSG_INTERNAL_ERROR,
710                     "Can't parse GUI URLs in scheduler reply: %s",
711                     boincerror(retval)
712                 );
713                 return retval;
714             }
715             project->gui_urls = "<gui_urls>\n"+foo+"</gui_urls>\n";
716         } else if (xp.match_tag("code_sign_key")) {
717             retval = dup_element_contents(
718                 xp.f->f,
719                 "</code_sign_key>",
720                 &code_sign_key
721             );
722             if (retval) {
723                 msg_printf(project, MSG_INTERNAL_ERROR,
724                     "Can't parse code sign key in scheduler reply: %s",
725                     boincerror(retval)
726                 );
727                 return ERR_XML_PARSE;
728             }
729             strip_whitespace(code_sign_key);
730         } else if (xp.match_tag("code_sign_key_signature")) {
731             retval = dup_element_contents(
732                 xp.f->f,
733                 "</code_sign_key_signature>",
734                 &code_sign_key_signature
735             );
736             if (retval) {
737                 msg_printf(project, MSG_INTERNAL_ERROR,
738                     "Can't parse code sign key signature in scheduler reply: %s",
739                     boincerror(retval)
740                 );
741                 return ERR_XML_PARSE;
742             }
743         } else if (xp.match_tag("app")) {
744             APP app;
745             retval = app.parse(xp);
746             if (retval) {
747                 msg_printf(project, MSG_INTERNAL_ERROR,
748                     "Can't parse application in scheduler reply: %s",
749                     boincerror(retval)
750                 );
751             } else {
752                 apps.push_back(app);
753             }
754         } else if (xp.match_tag("file_info")) {
755             FILE_INFO file_info;
756             retval = file_info.parse(xp);
757             if (retval) {
758                 msg_printf(project, MSG_INTERNAL_ERROR,
759                     "Can't parse file info in scheduler reply: %s",
760                     boincerror(retval)
761                 );
762             } else {
763                 file_infos.push_back(file_info);
764             }
765         } else if (xp.match_tag("app_version")) {
766             APP_VERSION av;
767             retval = av.parse(xp);
768             if (retval) {
769                 msg_printf(project, MSG_INTERNAL_ERROR,
770                     "Can't parse application version in scheduler reply: %s",
771                     boincerror(retval)
772                 );
773             } else {
774                 app_versions.push_back(av);
775             }
776         } else if (xp.match_tag("workunit")) {
777             WORKUNIT wu;
778             retval = wu.parse(xp);
779             if (retval) {
780                 msg_printf(project, MSG_INTERNAL_ERROR,
781                     "Can't parse workunit in scheduler reply: %s",
782                     boincerror(retval)
783                 );
784             } else {
785                 workunits.push_back(wu);
786             }
787         } else if (xp.match_tag("result")) {
788             RESULT result;      // make sure this is here so constructor
789                                 // gets called each time
790             retval = result.parse_server(xp);
791             if (retval) {
792                 msg_printf(project, MSG_INTERNAL_ERROR,
793                     "Can't parse task in scheduler reply: %s",
794                     boincerror(retval)
795                 );
796             } else {
797                 results.push_back(result);
798             }
799         } else if (xp.match_tag("result_ack")) {
800             RESULT result;
801             retval = result.parse_name(xp, "/result_ack");
802             if (retval) {
803                 msg_printf(project, MSG_INTERNAL_ERROR,
804                     "Can't parse ack in scheduler reply: %s",
805                     boincerror(retval)
806                 );
807             } else {
808                 result_acks.push_back(result);
809             }
810         } else if (xp.match_tag("result_abort")) {
811             RESULT result;
812             retval = result.parse_name(xp, "/result_abort");
813             if (retval) {
814                 msg_printf(project, MSG_INTERNAL_ERROR,
815                     "Can't parse result abort in scheduler reply: %s",
816                     boincerror(retval)
817                 );
818             } else {
819                 result_abort.push_back(result);
820             }
821         } else if (xp.match_tag("result_abort_if_not_started")) {
822             RESULT result;
823             retval = result.parse_name(xp, "/result_abort_if_not_started");
824             if (retval) {
825                 msg_printf(project, MSG_INTERNAL_ERROR,
826                     "Can't parse result abort-if-not-started in scheduler reply: %s",
827                     boincerror(retval)
828                 );
829             } else {
830                 result_abort_if_not_started.push_back(result);
831             }
832         } else if (xp.parse_string("delete_file_info", delete_file_name)) {
833             file_deletes.push_back(delete_file_name);
834         } else if (xp.parse_str("message", msg_buf, sizeof(msg_buf))) {
835             parse_attr(attr_buf, "priority", pri_buf, sizeof(pri_buf));
836             USER_MESSAGE um(msg_buf, pri_buf);
837             messages.push_back(um);
838             continue;
839         } else if (xp.parse_bool("message_ack", message_ack)) {
840             continue;
841         } else if (xp.parse_bool("project_is_down", project_is_down)) {
842             continue;
843         } else if (xp.parse_str("email_hash", project->email_hash, sizeof(project->email_hash))) {
844             continue;
845         } else if (xp.parse_str("cross_project_id", project->cross_project_id, sizeof(project->cross_project_id))) {
846             continue;
847         } else if (xp.parse_str("external_cpid", project->external_cpid, sizeof(project->external_cpid))) {
848             continue;
849         } else if (xp.match_tag("trickle_down")) {
850             retval = gstate.handle_trickle_down(project, in);
851             if (retval) {
852                 msg_printf(project, MSG_INTERNAL_ERROR,
853                     "handle_trickle_down failed: %s", boincerror(retval)
854                 );
855             }
856             continue;
857         } else if (xp.parse_bool("non_cpu_intensive", non_cpu_intensive)) {
858             continue;
859         } else if (xp.parse_bool("ended", ended)) {
860             continue;
861         } else if (xp.parse_bool("no_cpu_apps", btemp)) {
862             if (!project->anonymous_platform) {
863                 handle_no_rsc_apps("CPU", project, btemp);
864             }
865             continue;
866 
867         // deprecated syntax
868         } else if (xp.parse_bool("no_cuda_apps", btemp)) {
869             if (!project->anonymous_platform) {
870                 handle_no_rsc_apps(GPU_TYPE_NVIDIA, project, btemp);
871             }
872             continue;
873         } else if (xp.parse_bool("no_ati_apps", btemp)) {
874             if (!project->anonymous_platform) {
875                 handle_no_rsc_apps(GPU_TYPE_ATI, project, btemp);
876             }
877             continue;
878 
879         } else if (xp.parse_str("no_rsc_apps", buf, sizeof(buf))) {
880             if (!project->anonymous_platform) {
881                 handle_no_rsc_apps(buf, project, true);
882             }
883             continue;
884         } else if (xp.parse_bool("verify_files_on_app_start", verify_files_on_app_start)) {
885             continue;
886         } else if (xp.parse_bool("send_full_workload", send_full_workload)) {
887             continue;
888         } else if (xp.parse_bool("dont_use_dcf", dont_use_dcf)) {
889             continue;
890         } else if (xp.parse_int("send_time_stats_log", send_time_stats_log)){
891             continue;
892         } else if (xp.parse_int("send_job_log", send_job_log)) {
893             continue;
894         } else if (xp.parse_int("scheduler_version", scheduler_version)) {
895             continue;
896         } else if (xp.match_tag("project_files")) {
897             retval = parse_project_files(xp, project_files);
898 #ifdef ENABLE_AUTO_UPDATE
899         } else if (xp.match_tag("auto_update")) {
900             retval = auto_update.parse(xp);
901             if (!retval) auto_update.present = true;
902 #endif
903         } else if (xp.match_tag("rss_feeds")) {
904             got_rss_feeds = true;
905             parse_rss_feed_descs(xp, sr_feeds);
906             continue;
907         } else if (xp.match_tag("trickle_up_urls")) {
908             parse_trickle_up_urls(xp, trickle_up_urls);
909             continue;
910         } else if (xp.parse_int("userid", project->userid)) {
911             continue;
912         } else if (xp.parse_int("teamid", project->teamid)) {
913             continue;
914         } else if (xp.parse_double("desired_disk_usage", project->desired_disk_usage)) {
915             continue;
916         } else {
917             if (log_flags.unparsed_xml) {
918                 msg_printf(project, MSG_INFO,
919                     "[unparsed_xml] SCHEDULER_REPLY::parse(): unrecognized %s\n",
920                     xp.parsed_tag
921                 );
922             }
923         }
924     }
925     if (found_start_tag) {
926         msg_printf(project, MSG_INTERNAL_ERROR, "No close tag in scheduler reply");
927     } else {
928         msg_printf(project, MSG_INTERNAL_ERROR, "No start tag in scheduler reply");
929     }
930 
931     return ERR_XML_PARSE;
932 }
933 #endif
934 
USER_MESSAGE(char * m,char * p)935 USER_MESSAGE::USER_MESSAGE(char* m, char* p) {
936     message = m;
937     priority = p;
938 }
939 
940