protected void readInfo() throws SQLException {
while (msg.moreData()) {
short param_id = msg.readShort();
short param_len = msg.readShort();
switch (param_id) {
case MSG_IP_TRACE:
{
if (trace.enabled() || conn.dbms_log.enabled()) {
String txt = msg.readString(param_len);
trace.log("DBMS TRACE: " + txt);
conn.dbms_log.write(txt);
} else msg.skip(param_len);
break;
}
default:
if (trace.enabled(1)) trace.write(tr_id + ": Invalid info param ID " + param_id);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
}
return;
} // readInfo
protected boolean readResult() throws SQLException {
while (msg.moreData()) {
short param_id = msg.readShort();
short param_len = msg.readShort();
switch (param_id) {
case MSG_RP_ROWCOUNT:
switch (param_len) {
case 1:
rslt_val_rowcnt = msg.readByte();
break;
case 2:
rslt_val_rowcnt = msg.readShort();
break;
case 4:
rslt_val_rowcnt = msg.readInt();
break;
default:
if (trace.enabled(1)) trace.write(tr_id + ": Invalid row count length: " + param_len);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
rslt_items |= RSLT_ROW_CNT;
break;
case MSG_RP_XACT_END:
if (param_len > 0) {
if (trace.enabled(1)) trace.write(tr_id + ": Invalid XACT param length: " + param_len);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
rslt_flags |= MSG_RF_XACT_END;
conn.endXact();
break;
case MSG_RP_STMT_ID:
if (param_len != 8) {
if (trace.enabled(1)) trace.write(tr_id + ": Invalid stmt ID length: " + param_len);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
rslt_val_stmt = (((long) msg.readInt()) << 32) | (((long) msg.readInt()) & 0xffffffff);
rslt_items |= RSLT_STMT_ID;
break;
case MSG_RP_FETCH_LIMIT:
switch (param_len) {
case 1:
rslt_val_fetch = msg.readByte();
break;
case 2:
rslt_val_fetch = msg.readShort();
break;
case 4:
rslt_val_fetch = msg.readInt();
break;
default:
if (trace.enabled(1))
trace.write(tr_id + ": Invalid fetch limit length: " + param_len);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
rslt_items |= RSLT_PREFETCH;
break;
case MSG_RP_EOD:
if (param_len != 0) {
trace.write(tr_id + ": Invalid EOD length: " + param_len);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
rslt_flags |= MSG_RF_EOD;
break;
case MSG_RP_PROC_RESULT:
switch (param_len) {
case 1:
setProcResult((int) msg.readByte());
break;
case 2:
setProcResult((int) msg.readShort());
break;
case 4:
setProcResult(msg.readInt());
break;
default:
if (trace.enabled(1))
trace.write(tr_id + ": Invalid proc result length: " + param_len);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
break;
case MSG_RP_READ_ONLY:
if (param_len != 0) {
trace.write(tr_id + ": Invalid READ_ONLY length: " + param_len);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
rslt_flags |= MSG_RF_READ_ONLY;
break;
case MSG_RP_TBLKEY:
if (param_len != MSG_RPV_TBLKEY_LEN) {
if (trace.enabled(1)) trace.write(tr_id + ": Invalid table key length: " + param_len);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
if (rslt_val_tblkey == null) rslt_val_tblkey = new byte[param_len];
msg.readBytes(rslt_val_tblkey, 0, param_len);
rslt_items |= RSLT_TBLKEY;
break;
case MSG_RP_OBJKEY:
if (param_len != MSG_RPV_OBJKEY_LEN) {
if (trace.enabled(1)) trace.write(tr_id + ": Invalid object key length: " + param_len);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
if (rslt_val_objkey == null) rslt_val_objkey = new byte[param_len];
msg.readBytes(rslt_val_objkey, 0, param_len);
rslt_items |= RSLT_OBJKEY;
break;
case MSG_RP_FLAGS:
{
int flags;
switch (param_len) {
case 1:
flags = (int) msg.readByte();
break;
case 2:
flags = (int) msg.readShort();
break;
case 4:
flags = msg.readInt();
break;
default:
if (trace.enabled(1))
trace.write(tr_id + ": Invalid result flags length: " + param_len);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
rslt_flags |= flags;
if ((flags & MSG_RF_XACT_END) != 0) conn.endXact();
break;
}
case MSG_RP_ROW_STATUS:
switch (param_len) {
case 1:
rslt_val_rowstat = msg.readByte();
break;
case 2:
rslt_val_rowstat = msg.readShort();
break;
case 4:
rslt_val_rowstat = msg.readInt();
break;
default:
if (trace.enabled(1))
trace.write(tr_id + ": Invalid row status length: " + param_len);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
rslt_items |= RSLT_ROW_STAT;
break;
case MSG_RP_ROW_POS:
switch (param_len) {
case 1:
rslt_val_rowpos = msg.readByte();
break;
case 2:
rslt_val_rowpos = msg.readShort();
break;
case 4:
rslt_val_rowpos = msg.readInt();
break;
default:
if (trace.enabled(1))
trace.write(tr_id + ": Invalid row position length: " + param_len);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
rslt_items |= RSLT_ROW_POS;
break;
default:
if (trace.enabled(1)) trace.write(tr_id + ": Invalid result param ID " + param_id);
throw SqlExFactory.get(ERR_GC4002_PROTOCOL_ERR);
}
}
return (false);
} // readResult