Ok, I found the source of the problem: port number has to be set with
dbi_conn_set_option_numeric rather than dbi_conn_set_option which handles
strings. Probably not the best piece of C code you've ever seen, but the
following works for me:
in rrdtool-1.4.20131003/src/rrd_fetch_libdbi.c line 193 was:
if (dbi_conn_set_option(th->conn,key,value)) {
dbi_conn_error(th->conn,(const char**)&dbi_errstr);
rrd_set_error( "libdbi: problems setting %s to %s -
%s",key,value,dbi_errstr);
_sql_close(th);
return -1;
}
and I changed it to:
if (strcmp(key, "port") == 0) {
if (dbi_conn_set_option_numeric(th->conn,key,atoi(value))) {
dbi_conn_error(th->conn,(const char**)&dbi_errstr);
rrd_set_error( "libdbi: problems setting %s to %s -
%s",key,value,dbi_errstr);
_sql_close(th);
return -1;
}
} else {
if (dbi_conn_set_option(th->conn,key,value)) {
dbi_conn_error(th->conn,(const char**)&dbi_errstr);
rrd_set_error( "libdbi: problems setting %s to %s -
%s",key,value,dbi_errstr);
_sql_close(th);
return -1;
}
}
Regards,
MK
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