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Commit941c4ec

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Fix pg_isready to handle conninfo properly.
pg_isready displays the host name and the port number that it uses to connectto the server. So far, pg_isready didn't use the conninfo specified in -d optionfor calculating those host name and port number. This can lead to wrong displayto a user. This commit changes pg_isready so that it uses the conninfo for thatcalculation.Original patch by Phil Sorber, modified by me.
1 parent33a4466 commit941c4ec

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1 file changed

+64
-52
lines changed

1 file changed

+64
-52
lines changed

‎src/bin/scripts/pg_isready.c‎

Lines changed: 64 additions & 52 deletions
Original file line numberDiff line numberDiff line change
@@ -20,9 +20,7 @@ static void
2020
int
2121
main(intargc,char**argv)
2222
{
23-
intc,
24-
optindex,
25-
opt_index=2;
23+
intc;
2624

2725
constchar*progname;
2826

@@ -32,14 +30,22 @@ main(int argc, char **argv)
3230
constchar*pgdbname=NULL;
3331
constchar*connect_timeout=DEFAULT_CONNECT_TIMEOUT;
3432

35-
constchar*keywords[7]= {NULL};
36-
constchar*values[7]= {NULL};
33+
constchar*pghost_str=NULL;
34+
constchar*pgport_str=NULL;
35+
36+
#definePARAMS_ARRAY_SIZE7
37+
38+
constchar*keywords[PARAMS_ARRAY_SIZE];
39+
constchar*values[PARAMS_ARRAY_SIZE];
3740

3841
boolquiet= false;
3942

40-
PGPingrv;
41-
PQconninfoOption*connect_options,
42-
*conn_opt_ptr;
43+
PGPingrv;
44+
PQconninfoOption*opts=NULL;
45+
PQconninfoOption*defs=NULL;
46+
PQconninfoOption*opt;
47+
PQconninfoOption*def;
48+
char*errmsg=NULL;
4349

4450
/*
4551
* We accept user and database as options to avoid useless errors from
@@ -60,7 +66,7 @@ main(int argc, char **argv)
6066
set_pglocale_pgservice(argv[0],PG_TEXTDOMAIN("pgscripts"));
6167
handle_help_version_opts(argc,argv,progname,help);
6268

63-
while ((c=getopt_long(argc,argv,"d:h:p:qt:U:V",long_options,&optindex))!=-1)
69+
while ((c=getopt_long(argc,argv,"d:h:p:qt:U:",long_options,NULL))!=-1)
6470
{
6571
switch (c)
6672
{
@@ -106,66 +112,74 @@ main(int argc, char **argv)
106112
exit(PQPING_NO_ATTEMPT);
107113
}
108114

115+
keywords[0]="host";
116+
values[0]=pghost;
117+
keywords[1]="port";
118+
values[1]=pgport;
119+
keywords[2]="user";
120+
values[2]=pguser;
121+
keywords[3]="dbname";
122+
values[3]=pgdbname;
123+
keywords[4]="connect_timeout";
124+
values[4]=connect_timeout;
125+
keywords[5]="fallback_application_name";
126+
values[5]=progname;
127+
keywords[6]=NULL;
128+
values[6]=NULL;
129+
109130
/*
110-
*Set connection options
131+
*Get the host and port so we can display them in our output
111132
*/
112-
113-
keywords[0]="connect_timeout";
114-
values[0]=connect_timeout;
115-
keywords[1]="fallback_application_name";
116-
values[1]=progname;
117-
if (pguser)
133+
if (pgdbname)
118134
{
119-
keywords[opt_index]="user";
120-
values[opt_index]=pguser;
121-
opt_index++;
135+
opts=PQconninfoParse(pgdbname,&errmsg);
136+
if (opts==NULL)
137+
{
138+
fprintf(stderr,_("%s: %s\n"),progname,errmsg);
139+
exit(PQPING_NO_ATTEMPT);
140+
}
122141
}
123-
if (pgdbname)
142+
143+
defs=PQconndefaults();
144+
if (defs==NULL)
124145
{
125-
keywords[opt_index]="dbname";
126-
values[opt_index]=pgdbname;
127-
opt_index++;
146+
fprintf(stderr,_("%s: cannot fetch default options\n"),progname);
147+
exit(PQPING_NO_ATTEMPT);
128148
}
129149

130-
/*
131-
* Get the default host and port so we can display them in our output
132-
*/
133-
connect_options=PQconndefaults();
134-
conn_opt_ptr=connect_options;
135-
while (conn_opt_ptr->keyword)
150+
for (opt=opts,def=defs;def->keyword;def++)
136151
{
137-
if (strncmp(conn_opt_ptr->keyword,"host",5)==0)
152+
if (strcmp(def->keyword,"hostaddr")==0||
153+
strcmp(def->keyword,"host")==0)
138154
{
139-
if (pghost)
140-
{
141-
keywords[opt_index]=conn_opt_ptr->keyword;
142-
values[opt_index]=pghost;
143-
opt_index++;
144-
}
145-
elseif (conn_opt_ptr->val)
146-
pghost=conn_opt_ptr->val;
155+
if (opt&&opt->val)
156+
pghost_str=opt->val;
157+
elseif (pghost)
158+
pghost_str=pghost;
159+
elseif (def->val)
160+
pghost_str=def->val;
147161
else
148-
pghost=DEFAULT_PGSOCKET_DIR;
162+
pghost_str=DEFAULT_PGSOCKET_DIR;
149163
}
150-
elseif (strncmp(conn_opt_ptr->keyword,"port",5)==0)
164+
elseif (strcmp(def->keyword,"port")==0)
151165
{
152-
if (pgport)
153-
{
154-
keywords[opt_index]=conn_opt_ptr->keyword;
155-
values[opt_index]=pgport;
156-
opt_index++;
157-
}
158-
elseif (conn_opt_ptr->val)
159-
pgport=conn_opt_ptr->val;
166+
if (opt&&opt->val)
167+
pgport_str=opt->val;
168+
elseif (pgport)
169+
pgport_str=pgport;
170+
elseif (def->val)
171+
pgport_str=def->val;
160172
}
161-
conn_opt_ptr++;
173+
174+
if (opt)
175+
opt++;
162176
}
163177

164178
rv=PQpingParams(keywords,values,1);
165179

166180
if (!quiet)
167181
{
168-
printf("%s:%s - ",pghost,pgport);
182+
printf("%s:%s - ",pghost_str,pgport_str);
169183

170184
switch (rv)
171185
{
@@ -186,8 +200,6 @@ main(int argc, char **argv)
186200
}
187201
}
188202

189-
PQconninfoFree(connect_options);
190-
191203
exit(rv);
192204
}
193205

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