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Commit190a205

Browse files
author
Vladimir Ershov
committed
gde-to portitsia context
1 parent3d41157 commit190a205

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2 files changed

+118
-28
lines changed

2 files changed

+118
-28
lines changed

‎src/pgpro_scheduler.c

Lines changed: 116 additions & 28 deletions
Original file line numberDiff line numberDiff line change
@@ -323,56 +323,111 @@ char *get_scheduler_nodename(MemoryContext mem)
323323

324324
/** END of SOME UTILS **/
325325

326+
constchar*check_multimaster_database(void)
327+
{
328+
char_array_t*split_libs,*conns;
329+
constchar*libs=NULL;
330+
boolmtm_present= false;
331+
staticcharbuffer[256];
332+
char*dbbeg;
333+
intmtm_id,i,j=0;
334+
constchar*mtm_id_str,*mtm_cstring;
335+
336+
/* at first need to parse shared_preload_libraries */
337+
libs=GetConfigOption("shared_preload_libraries", true, false);
338+
if(!libs)returnNULL;
339+
split_libs=_split_string_to_char_array((char*)libs);
340+
if(split_libs->n==0)
341+
{
342+
destroyCharArray(split_libs);
343+
returnNULL;
344+
}
345+
for(i=0;i<split_libs->n;i++)
346+
{
347+
if(strcmp(split_libs->data[i],"multimaster")==0)
348+
{
349+
mtm_present= true;
350+
break;
351+
}
352+
}
353+
destroyCharArray(split_libs);
354+
if(0&& !mtm_present)returnNULL;
355+
356+
/* now check id multimaster.node_id set */
357+
mtm_id_str=GetConfigOption("multimaster.node_id", true, false);
358+
if(!mtm_id_str)returnNULL;
359+
mtm_id=atoi(mtm_id_str);
360+
if(mtm_id==0)returnNULL;
361+
elog(LOG,"got mtm_id %d",mtm_id);
362+
363+
/* find proper connection string from mtm_id */
364+
mtm_cstring=GetConfigOption("multimaster.conn_strings", true, false);
365+
if(!mtm_cstring)returnNULL;
366+
elog(LOG,"got mtm_connstring");
367+
368+
conns=_split_string_to_char_array((char*)mtm_cstring);
369+
if(conns->n<mtm_id)
370+
{
371+
destroyCharArray(conns);
372+
returnNULL;
373+
}
374+
dbbeg=strstr(conns->data[mtm_id-1],"dbname=");
375+
if(dbbeg==NULL)
376+
{
377+
destroyCharArray(conns);
378+
returnNULL;
379+
}
380+
elog(LOG,"GOT BEGIN");
326381

382+
memset(buffer,0,256);
383+
for(i=7;dbbeg[i]!=0||i<249;i++)
384+
{
385+
if(dbbeg[i]!=' ')
386+
{
387+
buffer[j++]=dbbeg[i];
388+
}
389+
else
390+
{
391+
break;
392+
}
393+
}
394+
destroyCharArray(conns);
395+
elog(LOG,"Almost ready %s",buffer);
396+
if(j>0)returnbuffer;
397+
returnNULL;
398+
}
327399

328-
char_array_t*readBasesToCheck(void)
400+
char_array_t*_split_string_to_char_array(char*str)
329401
{
330-
constchar*value;
331-
intvalue_len=0;
332-
intnnames=0;
333-
char_array_t*names;
334-
char_array_t*result;
402+
intstr_len,cv_len=0,i;
335403
char*clean_value;
336-
inti;
337-
intcv_len=0;
338-
StringInfoDatasql;
339-
intret;
404+
char_array_t*names;
340405
intstart_pos=0;
341-
intprocessed;
342406
char*ptr=NULL;
407+
intnnames=1;
343408

344-
345-
pgstat_report_activity(STATE_RUNNING,"read configuration");
346-
result=makeCharArray();
347-
348-
value=GetConfigOption("schedule.database", true, false);
349-
if(!value||strlen(value)==0)
350-
{
351-
returnresult;
352-
}
353-
value_len=strlen(value);
354-
clean_value=worker_alloc(sizeof(char)*(value_len+1));
355-
nnames=1;
356-
for(i=0;i<value_len;i++)
409+
str_len=strlen(str);
410+
clean_value=worker_alloc(sizeof(char)*(str_len+1));
411+
for(i=0;i<str_len;i++)
357412
{
358-
if(value[i]!=' ')
413+
if(str[i]!=' ')
359414
{
360-
if(value[i]==',')
415+
if(str[i]==',')
361416
{
362417
nnames++;
363418
clean_value[cv_len++]=0;
364419
}
365420
else
366421
{
367-
clean_value[cv_len++]=value[i];
422+
clean_value[cv_len++]=str[i];
368423
}
369424
}
370425
}
371426
clean_value[cv_len]=0;
372427
if(cv_len==0||nnames==cv_len)
373428
{
374429
pfree(clean_value);
375-
returnresult;
430+
returnNULL;
376431
}
377432
names=makeCharArray();
378433
for(i=0;i<cv_len+1;i++)
@@ -385,6 +440,39 @@ char_array_t *readBasesToCheck(void)
385440
}
386441
}
387442
pfree(clean_value);
443+
444+
returnnames;
445+
}
446+
447+
448+
449+
char_array_t*readBasesToCheck(void)
450+
{
451+
constchar*value=NULL;
452+
char_array_t*names;
453+
char_array_t*result;
454+
char*clean_value=NULL;
455+
inti;
456+
StringInfoDatasql;
457+
intret;
458+
intprocessed;
459+
460+
461+
pgstat_report_activity(STATE_RUNNING,"read configuration");
462+
result=makeCharArray();
463+
464+
value=check_multimaster_database();
465+
elog(LOG,"From mm: %s",value);
466+
467+
if(!value)
468+
value=GetConfigOption("schedule.database", true, false);
469+
470+
if(!value||strlen(value)==0)
471+
{
472+
returnresult;
473+
}
474+
475+
names=_split_string_to_char_array((char*)value);
388476
if(names->n==0)
389477
{
390478
destroyCharArray(names);

‎src/pgpro_scheduler.h

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -47,5 +47,7 @@ bool is_scheduler_enabled(void);
4747
char*set_schema(constchar*name,boolget_old);
4848
char*get_scheduler_schema_name(void);
4949
char*get_scheduler_nodename(MemoryContextmem);
50+
char_array_t*_split_string_to_char_array(char*str);
51+
constchar*check_multimaster_database(void);
5052

5153
#endif

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