YAZ  5.23.1
zoom-memcached.c
Go to the documentation of this file.
1 /* This file is part of the YAZ toolkit.
2  * Copyright (C) Index Data
3  * See the file LICENSE for details.
4  */
9 #if HAVE_CONFIG_H
10 #include <config.h>
11 #endif
12 
13 #include <assert.h>
14 #include <string.h>
15 #include <errno.h>
16 #include "zoom-p.h"
17 
18 #include <yaz/yaz-util.h>
19 #include <yaz/xmalloc.h>
20 #include <yaz/log.h>
21 #include <yaz/diagbib1.h>
22 
24 {
25 #if HAVE_LIBMEMCACHED
26  c->mc_st = 0;
27 #endif
28 #if HAVE_HIREDIS
29  c->redis_c = 0;
30 #endif
31  c->expire_search = 600;
32  c->expire_record = 1200;
33 }
34 
36 {
37 #if HAVE_LIBMEMCACHED
38  if (c->mc_st)
39  memcached_free(c->mc_st);
40 #endif
41 #if HAVE_HIREDIS
42  if (c->redis_c)
43  redisFree(c->redis_c);
44 #endif
45 }
46 
47 #if HAVE_LIBMEMCACHED
48 static memcached_st *create_memcached(const char *conf,
49  int *expire_search, int *expire_record)
50 {
51  char **darray;
52  int i, num;
53  memcached_st *mc = memcached_create(0);
54  NMEM nmem = nmem_create();
55  memcached_return_t rc;
56 
57  nmem_strsplit_blank(nmem, conf, &darray, &num);
58  for (i = 0; mc && i < num; i++)
59  {
60  if (!yaz_strncasecmp(darray[i], "--SERVER=", 9))
61  {
62  char *host = darray[i] + 9;
63  char *port = strchr(host, ':');
64  char *weight = strstr(host, "/?");
65  if (port)
66  *port++ = '\0';
67  if (weight)
68  {
69  *weight = '\0';
70  weight += 2;
71  }
72  rc = memcached_server_add(mc, host, port ? atoi(port) : 11211);
73  yaz_log(YLOG_LOG, "memcached_server_add host=%s rc=%u %s",
74  host, (unsigned) rc, memcached_strerror(mc, rc));
75  if (rc != MEMCACHED_SUCCESS)
76  {
77  memcached_free(mc);
78  mc = 0;
79  }
80  }
81  else if (!yaz_strncasecmp(darray[i], "--EXPIRE=", 9))
82  {
83  *expire_search = atoi(darray[i] + 9);
84  *expire_record = 600 + *expire_search;
85  }
86  else
87  {
88  /* bad directive */
89  memcached_free(mc);
90  mc = 0;
91  }
92  }
93  nmem_destroy(nmem);
94  return mc;
95 }
96 #endif
97 
98 #if HAVE_HIREDIS
99 static redisContext *create_redis(const char *conf,
100  int *expire_search, int *expire_record)
101 {
102  char **darray;
103  int i, num;
104  NMEM nmem = nmem_create();
105  redisContext *context = 0;
106 
107  nmem_strsplit_blank(nmem, conf, &darray, &num);
108  for (i = 0; i < num; i++)
109  {
110  if (!yaz_strncasecmp(darray[i], "--SERVER=", 9))
111  {
112  struct timeval timeout = { 1, 500000 }; /* 1.5 seconds */
113  char *host = darray[i] + 9;
114  char *port = strchr(host, ':');
115  if (port)
116  *port++ = '\0';
117  context = redisConnectWithTimeout(host,
118  port ? atoi(port) : 6379,
119  timeout);
120  }
121  else if (!yaz_strncasecmp(darray[i], "--EXPIRE=", 9))
122  {
123  *expire_search = atoi(darray[i] + 9);
124  *expire_record = 600 + *expire_search;
125  }
126  }
127  nmem_destroy(nmem);
128  return context;
129 }
130 #endif
131 
133 {
134  const char *val;
135 #if HAVE_HIREDIS
136  if (c->redis_c)
137  {
138  redisFree(c->redis_c);
139  c->redis_c = 0;
140  }
141 #endif
142 #if HAVE_LIBMEMCACHED
143  if (c->mc_st)
144  {
145  memcached_free(c->mc_st);
146  c->mc_st = 0;
147  }
148 #endif
149 
150  val = ZOOM_options_get(c->options, "redis");
151  if (val && *val)
152  {
153 #if HAVE_HIREDIS
154  c->redis_c = create_redis(val,
155  &c->expire_search, &c->expire_record);
156  if (c->redis_c == 0 || c->redis_c->err)
157  {
159  "could not create redis");
160  return -1;
161  }
162  return 0; /* don't bother with memcached if redis is enabled */
163 #else
164  ZOOM_set_error(c, ZOOM_ERROR_MEMCACHED, "not enabled");
165  return -1;
166 #endif
167  }
168  val = ZOOM_options_get(c->options, "memcached");
169  if (val && *val)
170  {
171 #if HAVE_LIBMEMCACHED
172  c->mc_st = create_memcached(val, &c->expire_search, &c->expire_record);
173  if (!c->mc_st)
174  {
176  "could not create memcached");
177  return -1;
178  }
179  memcached_behavior_set(c->mc_st, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, 1);
180 #else
181  ZOOM_set_error(c, ZOOM_ERROR_MEMCACHED, "not enabled");
182  return -1;
183 #endif
184  }
185  return 0;
186 }
187 
188 static void wrbuf_vary_puts(WRBUF w, const char *v)
189 {
190  if (v)
191  {
192  if (strlen(v) > 40)
193  {
194  wrbuf_sha1_puts(w, v, 1);
195  }
196  else
197  {
198  wrbuf_puts(w, v);
199  }
200  }
201 }
202 
204 {
206 
207  r->mc_key = wrbuf_alloc();
208  wrbuf_puts(r->mc_key, "1;");
210  wrbuf_puts(r->mc_key, ";");
211  wrbuf_vary_puts(r->mc_key, ZOOM_resultset_option_get(r, "extraArgs"));
212  wrbuf_puts(r->mc_key, ";");
213  wrbuf_vary_puts(r->mc_key, c->user);
214  wrbuf_puts(r->mc_key, ";");
215  wrbuf_vary_puts(r->mc_key, c->group);
216  wrbuf_puts(r->mc_key, ";");
217  if (c->password)
218  wrbuf_sha1_puts(r->mc_key, c->password, 1);
219  wrbuf_puts(r->mc_key, ";");
220  {
221  WRBUF w = wrbuf_alloc();
222  ZOOM_query_get_hash(q, w);
223  wrbuf_sha1_puts(r->mc_key, wrbuf_cstr(w), 1);
224  wrbuf_destroy(w);
225  }
226  wrbuf_puts(r->mc_key, ";");
228 }
229 
231 {
232 #if HAVE_HIREDIS
233  if (c->redis_c && resultset->live_set == 0)
234  {
235  redisReply *reply;
236  const char *argv[2];
237 
238  argv[0] = "GET";
239  argv[1] = wrbuf_cstr(resultset->mc_key);
240 
241  reply = redisCommandArgv(c->redis_c, 2, argv, 0);
242  /* count;precision (ASCII) + '\0' + BER buffer for otherInformation */
243  if (reply && reply->type == REDIS_REPLY_STRING)
244  {
245  char *v = reply->str;
246  int v_len = reply->len;
247  ZOOM_Event event;
248  size_t lead_len = strlen(v) + 1;
249 
250  resultset->size = odr_atoi(v);
251 
252  yaz_log(YLOG_LOG, "For key %s got value %s lead_len=%d len=%d",
253  wrbuf_cstr(resultset->mc_key), v, (int) lead_len,
254  (int) v_len);
255  if (v_len > lead_len)
256  {
257  Z_OtherInformation *oi = 0;
258  int oi_len = v_len - lead_len;
259  odr_setbuf(resultset->odr, v + lead_len, oi_len, 0);
260  if (!z_OtherInformation(resultset->odr, &oi, 0, 0))
261  {
262  yaz_log(YLOG_WARN, "oi decoding failed");
263  freeReplyObject(reply);
264  return;
265  }
266  ZOOM_handle_search_result(c, resultset, oi);
267  ZOOM_handle_facet_result(c, resultset, oi);
268  }
270  ZOOM_connection_put_event(c, event);
271  resultset->live_set = 1;
272  }
273  if (reply)
274  freeReplyObject(reply);
275  }
276 #endif
277 #if HAVE_LIBMEMCACHED
278  if (c->mc_st && resultset->live_set == 0)
279  {
280  size_t v_len;
281  uint32_t flags;
282  memcached_return_t rc;
283  char *v = memcached_get(c->mc_st, wrbuf_buf(resultset->mc_key),
284  wrbuf_len(resultset->mc_key),
285  &v_len, &flags, &rc);
286  /* count;precision (ASCII) + '\0' + BER buffer for otherInformation */
287  if (v)
288  {
289  ZOOM_Event event;
290  size_t lead_len = strlen(v) + 1;
291 
292  resultset->size = odr_atoi(v);
293 
294  yaz_log(YLOG_LOG, "For key %s got value %s lead_len=%d len=%d",
295  wrbuf_cstr(resultset->mc_key), v, (int) lead_len,
296  (int) v_len);
297  if (v_len > lead_len)
298  {
299  Z_OtherInformation *oi = 0;
300  int oi_len = v_len - lead_len;
301  odr_setbuf(resultset->odr, v + lead_len, oi_len, 0);
302  if (!z_OtherInformation(resultset->odr, &oi, 0, 0))
303  {
304  yaz_log(YLOG_WARN, "oi decoding failed");
305  free(v);
306  return;
307  }
308  ZOOM_handle_search_result(c, resultset, oi);
309  ZOOM_handle_facet_result(c, resultset, oi);
310  }
311  free(v);
313  ZOOM_connection_put_event(c, event);
314  resultset->live_set = 1;
315  }
316  }
317 #endif
318 }
319 
320 #if HAVE_HIREDIS
321 static void expire_redis(redisContext *redis_c,
322  const char *buf, size_t len, int exp)
323 {
324  redisReply *reply;
325  const char *argv[3];
326  size_t argvlen[3];
327  char key_val[20];
328 
329  sprintf(key_val, "%d", exp);
330 
331  argv[0] = "EXPIRE";
332  argvlen[0] = 6;
333  argv[1] = buf;
334  argvlen[1] = len;
335  argv[2] = key_val;
336  argvlen[2] = strlen(key_val);
337  reply = redisCommandArgv(redis_c, 3, argv, argvlen);
338  freeReplyObject(reply);
339 }
340 #endif
341 
343  Z_OtherInformation *oi, const char *precision)
344 {
345 #if HAVE_HIREDIS
346  if (c->redis_c && resultset->live_set == 0)
347  {
348  char *str;
350  char *oi_buf = 0;
351  int oi_len = 0;
352  char *key;
353 
354  str = odr_malloc(odr, 20 + strlen(precision));
355  /* count;precision (ASCII) + '\0' + BER buffer for otherInformation */
356  sprintf(str, ODR_INT_PRINTF ";%s", resultset->size, precision);
357  if (oi)
358  {
359  z_OtherInformation(odr, &oi, 0, 0);
360  oi_buf = odr_getbuf(odr, &oi_len, 0);
361  }
362  key = odr_malloc(odr, strlen(str) + 1 + oi_len);
363  strcpy(key, str);
364  if (oi_len)
365  memcpy(key + strlen(str) + 1, oi_buf, oi_len);
366 
367  {
368  redisReply *reply;
369  const char *argv[3];
370  size_t argvlen[3];
371  argv[0] = "SET";
372  argvlen[0] = 3;
373  argv[1] = wrbuf_buf(resultset->mc_key);
374  argvlen[1] = wrbuf_len(resultset->mc_key);
375  argv[2] = key;
376  argvlen[2] = strlen(str) + 1 + oi_len;
377  reply = redisCommandArgv(c->redis_c, 3, argv, argvlen);
378  freeReplyObject(reply);
379  }
380  expire_redis(c->redis_c,
381  wrbuf_buf(resultset->mc_key),
382  wrbuf_len(resultset->mc_key),
383  c->expire_search);
384  odr_destroy(odr);
385  }
386 #endif
387 #if HAVE_LIBMEMCACHED
388  if (c->mc_st && resultset->live_set == 0)
389  {
390  uint32_t flags = 0;
391  memcached_return_t rc;
392  char *str;
394  char *oi_buf = 0;
395  int oi_len = 0;
396  char *key;
397 
398  str = odr_malloc(odr, 20 + strlen(precision));
399  /* count;precision (ASCII) + '\0' + BER buffer for otherInformation */
400  sprintf(str, ODR_INT_PRINTF ";%s", resultset->size, precision);
401  if (oi)
402  {
403  z_OtherInformation(odr, &oi, 0, 0);
404  oi_buf = odr_getbuf(odr, &oi_len, 0);
405  }
406  key = odr_malloc(odr, strlen(str) + 1 + oi_len);
407  strcpy(key, str);
408  if (oi_len)
409  memcpy(key + strlen(str) + 1, oi_buf, oi_len);
410 
411  rc = memcached_set(c->mc_st,
412  wrbuf_buf(resultset->mc_key),
413  wrbuf_len(resultset->mc_key),
414  key, strlen(str) + 1 + oi_len,
415  c->expire_search, flags);
416  yaz_log(YLOG_LOG, "Store hit count key=%s value=%s oi_len=%d rc=%u %s",
417  wrbuf_cstr(resultset->mc_key), str, oi_len, (unsigned) rc,
418  memcached_strerror(c->mc_st, rc));
419  odr_destroy(odr);
420  }
421 #endif
422 }
423 
425  int pos,
426  const char *syntax, const char *elementSetName,
427  const char *schema,
428  Z_SRW_diagnostic *diag)
429 {
430 #if HAVE_HIREDIS
431  if (r->connection->redis_c &&
432  !diag && npr->which == Z_NamePlusRecord_databaseRecord)
433  {
434  WRBUF k = wrbuf_alloc();
435  WRBUF rec_sha1 = wrbuf_alloc();
437  char *rec_buf;
438  int rec_len;
439  const char *argv[3];
440  size_t argvlen[3];
441  redisReply *reply;
442 
443  z_NamePlusRecord(odr, &npr, 0, 0);
444  rec_buf = odr_getbuf(odr, &rec_len, 0);
445 
447  wrbuf_printf(k, ";%d;%s;%s;%s", pos,
448  syntax ? syntax : "",
449  elementSetName ? elementSetName : "",
450  schema ? schema : "");
451 
452  wrbuf_sha1_write(rec_sha1, rec_buf, rec_len, 1);
453 
454  argv[0] = "SET";
455  argvlen[0] = 3;
456  argv[1] = wrbuf_buf(k);
457  argvlen[1] = wrbuf_len(k);
458  argv[2] = wrbuf_buf(rec_sha1);
459  argvlen[2] = wrbuf_len(rec_sha1);
460 
461  reply = redisCommandArgv(r->connection->redis_c, 3, argv, argvlen);
462  yaz_log(YLOG_LOG, "Store record key=%s val=%s",
463  wrbuf_cstr(k), wrbuf_cstr(rec_sha1));
464  freeReplyObject(reply);
465 
466  expire_redis(r->connection->redis_c, argv[1], argvlen[1],
468 
469  argv[1] = wrbuf_buf(rec_sha1);
470  argvlen[1] = wrbuf_len(rec_sha1);
471  argv[2] = rec_buf;
472  argvlen[2] = rec_len;
473 
474  reply = redisCommandArgv(r->connection->redis_c, 3, argv, argvlen);
475  yaz_log(YLOG_LOG, "Add record key=%s rec_len=%d",
476  wrbuf_cstr(rec_sha1), rec_len);
477  freeReplyObject(reply);
478 
479  expire_redis(r->connection->redis_c, argv[1], argvlen[1],
481 
482  odr_destroy(odr);
483  wrbuf_destroy(k);
484  wrbuf_destroy(rec_sha1);
485  }
486 #endif
487 #if HAVE_LIBMEMCACHED
488  if (r->connection->mc_st &&
489  !diag && npr->which == Z_NamePlusRecord_databaseRecord)
490  {
491  WRBUF k = wrbuf_alloc();
492  WRBUF rec_sha1 = wrbuf_alloc();
493  uint32_t flags = 0;
494  memcached_return_t rc;
496  char *rec_buf;
497  int rec_len;
498 
499  z_NamePlusRecord(odr, &npr, 0, 0);
500  rec_buf = odr_getbuf(odr, &rec_len, 0);
501 
503  wrbuf_printf(k, ";%d;%s;%s;%s", pos,
504  syntax ? syntax : "",
505  elementSetName ? elementSetName : "",
506  schema ? schema : "");
507 
508  wrbuf_sha1_write(rec_sha1, rec_buf, rec_len, 1);
509 
510  rc = memcached_set(r->connection->mc_st,
511  wrbuf_buf(k), wrbuf_len(k),
512  wrbuf_buf(rec_sha1), wrbuf_len(rec_sha1),
513  r->connection->expire_search, flags);
514 
515  yaz_log(YLOG_LOG, "Store record key=%s val=%s rc=%u %s",
516  wrbuf_cstr(k), wrbuf_cstr(rec_sha1), (unsigned) rc,
517  memcached_strerror(r->connection->mc_st, rc));
518 
519  rc = memcached_add(r->connection->mc_st,
520  wrbuf_buf(rec_sha1), wrbuf_len(rec_sha1),
521  rec_buf, rec_len,
522  r->connection->expire_record, flags);
523 
524  yaz_log(YLOG_LOG, "Add record key=%s rec_len=%d rc=%u %s",
525  wrbuf_cstr(rec_sha1), rec_len, (unsigned) rc,
526  memcached_strerror(r->connection->mc_st, rc));
527 
528  odr_destroy(odr);
529  wrbuf_destroy(k);
530  wrbuf_destroy(rec_sha1);
531  }
532 #endif
533 }
534 
536  const char *syntax,
537  const char *elementSetName,
538  const char *schema)
539 {
540 #if HAVE_HIREDIS
541  if (r->connection && r->connection->redis_c)
542  {
543  WRBUF k = wrbuf_alloc();
544  const char *argv[2];
545  size_t argvlen[2];
546  redisReply *reply1;
547 
549  wrbuf_printf(k, ";%d;%s;%s;%s", pos,
550  syntax ? syntax : "",
551  elementSetName ? elementSetName : "",
552  schema ? schema : "");
553 
554  yaz_log(YLOG_LOG, "Lookup record %s", wrbuf_cstr(k));
555  argv[0] = "GET";
556  argvlen[0] = 3;
557  argv[1] = wrbuf_buf(k);
558  argvlen[1] = wrbuf_len(k);
559  reply1 = redisCommandArgv(r->connection->redis_c, 2, argv, argvlen);
560 
561  wrbuf_destroy(k);
562  if (reply1 && reply1->type == REDIS_REPLY_STRING)
563  {
564  redisReply *reply2;
565  char *sha1_buf = reply1->str;
566  int sha1_len = reply1->len;
567 
568  yaz_log(YLOG_LOG, "Lookup record %.*s", (int) sha1_len, sha1_buf);
569 
570  argv[0] = "GET";
571  argvlen[0] = 3;
572  argv[1] = sha1_buf;
573  argvlen[1] = sha1_len;
574 
575  reply2 = redisCommandArgv(r->connection->redis_c, 2, argv, argvlen);
576  if (reply2 && reply2->type == REDIS_REPLY_STRING)
577  {
578  Z_NamePlusRecord *npr = 0;
579  char *v_buf = reply2->str;
580  int v_len = reply2->len;
581 
582  odr_setbuf(r->odr, v_buf, v_len, 0);
583  z_NamePlusRecord(r->odr, &npr, 0, 0);
584  if (npr)
585  yaz_log(YLOG_LOG, "returned redis copy");
586  freeReplyObject(reply2);
587  freeReplyObject(reply1);
588  return npr;
589  }
590  freeReplyObject(reply2);
591  }
592  freeReplyObject(reply1);
593  }
594 #endif
595 #if HAVE_LIBMEMCACHED
596  if (r->connection && r->connection->mc_st)
597  {
598  WRBUF k = wrbuf_alloc();
599  char *sha1_buf;
600  size_t sha1_len;
601  uint32_t flags;
602  memcached_return_t rc;
603 
605  wrbuf_printf(k, ";%d;%s;%s;%s", pos,
606  syntax ? syntax : "",
607  elementSetName ? elementSetName : "",
608  schema ? schema : "");
609 
610  yaz_log(YLOG_LOG, "Lookup record %s", wrbuf_cstr(k));
611  sha1_buf = memcached_get(r->connection->mc_st,
612  wrbuf_buf(k), wrbuf_len(k),
613  &sha1_len, &flags, &rc);
614 
615  wrbuf_destroy(k);
616  if (sha1_buf)
617  {
618  size_t v_len;
619  char *v_buf;
620 
621  yaz_log(YLOG_LOG, "Lookup record %.*s", (int) sha1_len, sha1_buf);
622  v_buf = memcached_get(r->connection->mc_st, sha1_buf, sha1_len,
623  &v_len, &flags, &rc);
624  free(sha1_buf);
625  if (v_buf)
626  {
627  Z_NamePlusRecord *npr = 0;
628 
629  odr_setbuf(r->odr, v_buf, v_len, 0);
630  z_NamePlusRecord(r->odr, &npr, 0, 0);
631  free(v_buf);
632  if (npr)
633  yaz_log(YLOG_LOG, "returned memcached copy");
634  return npr;
635  }
636  }
637  }
638 #endif
639  return 0;
640 
641 }
642 /*
643  * Local variables:
644  * c-basic-offset: 4
645  * c-file-style: "Stroustrup"
646  * indent-tabs-mode: nil
647  * End:
648  * vim: shiftwidth=4 tabstop=8 expandtab
649  */
650 
int ZOOM_memcached_configure(ZOOM_connection c)
#define wrbuf_buf(b)
Definition: wrbuf.h:251
Header for errno utilities.
#define ODR_ENCODE
Definition: odr.h:96
void ZOOM_memcached_resultset(ZOOM_resultset r, ZOOM_query q)
ZOOM_connection connection
Definition: zoom-p.h:144
char * odr_getbuf(ODR o, int *len, int *size)
Definition: odr.c:277
const char * wrbuf_cstr(WRBUF b)
returns WRBUF content as C-string
Definition: wrbuf.c:281
int z_OtherInformation(ODR o, Z_OtherInformation **p, int opt, const char *name)
Definition: z-core.c:1545
ZOOM_options options
Definition: zoom-p.h:107
void ZOOM_memcached_hitcount(ZOOM_connection c, ZOOM_resultset resultset, Z_OtherInformation *oi, const char *precision)
Internal header for ZOOM implementation.
void ZOOM_handle_search_result(ZOOM_connection c, ZOOM_resultset resultset, Z_OtherInformation *o)
Definition: zoom-z3950.c:1198
void nmem_destroy(NMEM n)
destroys NMEM handle and memory associated with it
Definition: nmem.c:204
void nmem_strsplit_blank(NMEM nmem, const char *dstr, char ***darray, int *num)
splits string into sub strings delimited by blanks
Definition: nmemsdup.c:55
void wrbuf_puts(WRBUF b, const char *buf)
appends C-string to WRBUF
Definition: wrbuf.c:89
Header for common YAZ utilities.
void wrbuf_write(WRBUF b, const char *buf, size_t size)
append constant size buffer to WRBUF
Definition: wrbuf.c:68
#define YLOG_LOG
log level: log (regular)
Definition: log.h:48
string buffer
Definition: wrbuf.h:42
void free(void *)
void ZOOM_handle_facet_result(ZOOM_connection c, ZOOM_resultset r, Z_OtherInformation *o)
Definition: zoom-z3950.c:1143
void * odr_malloc(ODR o, size_t size)
Definition: odr_mem.c:31
int z_NamePlusRecord(ODR o, Z_NamePlusRecord **p, int opt, const char *name)
Definition: z-core.c:593
void ZOOM_memcached_init(ZOOM_connection c)
#define ZOOM_EVENT_RECV_SEARCH
Definition: zoom.h:160
#define Z_NamePlusRecord_databaseRecord
Definition: z-core.h:713
ZOOM_options_get(ZOOM_options opt, const char *name)
Definition: zoom-opt.c:216
WRBUF mc_key
Definition: zoom-p.h:156
void odr_setbuf(ODR o, char *buf, int len, int can_grow)
Definition: odr.c:267
#define ZOOM_ERROR_MEMCACHED
Definition: zoom.h:146
ZOOM_resultset_option_get(ZOOM_resultset r, const char *key)
Definition: zoom-c.c:1832
int wrbuf_sha1_puts(WRBUF b, const char *cp, int hexit)
writes SHA1 text to WRBUF
Definition: wrbuf_sha1.c:214
void wrbuf_printf(WRBUF b, const char *fmt,...)
writes printf result to WRBUF
Definition: wrbuf.c:178
ZOOM_Event ZOOM_Event_create(int kind)
Definition: zoom-event.c:42
Odr_int size
Definition: zoom-p.h:137
void ZOOM_memcached_add(ZOOM_resultset r, Z_NamePlusRecord *npr, int pos, const char *syntax, const char *elementSetName, const char *schema, Z_SRW_diagnostic *diag)
void wrbuf_destroy(WRBUF b)
destroy WRBUF and its buffer
Definition: wrbuf.c:38
void ZOOM_connection_put_event(ZOOM_connection c, ZOOM_Event event)
Definition: zoom-event.c:73
int wrbuf_sha1_write(WRBUF b, const char *cp, size_t sz, int hexit)
writes SHA1 text to WRBUF
Definition: wrbuf_sha1.c:194
int yaz_strncasecmp(const char *s1, const char *s2, size_t n)
ala strncasecmp - no locale
Definition: matchstr.c:26
#define ODR_INT_PRINTF
Definition: odr.h:49
char * password
Definition: zoom-p.h:96
char * group
Definition: zoom-p.h:95
void ZOOM_memcached_search(ZOOM_connection c, ZOOM_resultset resultset)
void odr_destroy(ODR o)
Definition: odr.c:253
void ZOOM_query_get_hash(ZOOM_query s, WRBUF w)
Definition: zoom-query.c:144
Definition: odr.h:124
char * host_port
Definition: zoom-p.h:68
char * user
Definition: zoom-p.h:94
Header for memory handling functions.
NMEM nmem_create(void)
returns new NMEM handle
Definition: nmem.c:181
#define YLOG_WARN
log level: warning
Definition: log.h:46
void yaz_log(int level, const char *fmt,...)
Writes log message.
Definition: log.c:485
#define wrbuf_len(b)
Definition: wrbuf.h:250
void ZOOM_set_error(ZOOM_connection c, int error, const char *addinfo)
Definition: zoom-c.c:98
ODR odr_createmem(int direction)
Definition: odr.c:200
void ZOOM_memcached_destroy(ZOOM_connection c)
Odr_int odr_atoi(const char *s)
Definition: odr_mem.c:146
static void wrbuf_vary_puts(WRBUF w, const char *v)
Logging utility.
Z_NamePlusRecord * ZOOM_memcached_lookup(ZOOM_resultset r, int pos, const char *syntax, const char *elementSetName, const char *schema)
char * req_facets
Definition: zoom-p.h:152
WRBUF wrbuf_alloc(void)
construct WRBUF
Definition: wrbuf.c:25
Diagnostics: Generated by csvtodiag.tcl from ./bib1.csv.