/** Internal method. Connect to searchd, send request, get response as DataInputStream. */
private DataInputStream _DoRequest(int command, int version, ByteArrayOutputStream req) {
/* connect */
Socket sock = _Connect();
if (sock == null) return null;
/* send request */
byte[] reqBytes = req.toByteArray();
try {
DataOutputStream sockDS = new DataOutputStream(sock.getOutputStream());
sockDS.writeShort(command);
sockDS.writeShort(version);
sockDS.writeInt(reqBytes.length);
sockDS.write(reqBytes);
} catch (Exception e) {
_error = "network error: " + e;
_connerror = true;
return null;
}
/* get response */
byte[] response = _GetResponse(sock);
if (response == null) return null;
/* spawn that tampon */
return new DataInputStream(new ByteArrayInputStream(response));
}
/** Internal method. String IO helper. */
private static void writeNetUTF8(DataOutputStream ostream, String str) throws IOException {
if (str == null) {
ostream.writeInt(0);
return;
}
byte[] sBytes = str.getBytes("UTF-8");
int iLen = sBytes.length;
ostream.writeInt(iLen);
ostream.write(sBytes);
}
/** Run all previously added search queries. */
public SphinxResult[] RunQueries() throws SphinxException {
if (_reqs == null || _reqs.size() < 1) {
_error = "no queries defined, issue AddQuery() first";
return null;
}
/* build the mega-request */
int nreqs = _reqs.size();
ByteArrayOutputStream reqBuf = new ByteArrayOutputStream();
try {
DataOutputStream req = new DataOutputStream(reqBuf);
/* its a client */
req.writeInt(0);
req.writeInt(nreqs);
for (int i = 0; i < nreqs; i++) req.write((byte[]) _reqs.get(i));
req.flush();
} catch (Exception e) {
_error = "internal error: failed to build request: " + e;
return null;
}
DataInputStream in = _DoRequest(SEARCHD_COMMAND_SEARCH, VER_COMMAND_SEARCH, reqBuf);
if (in == null) return null;
SphinxResult[] results = new SphinxResult[nreqs];
_reqs = new ArrayList();
try {
for (int ires = 0; ires < nreqs; ires++) {
SphinxResult res = new SphinxResult();
results[ires] = res;
int status = in.readInt();
res.setStatus(status);
if (status != SEARCHD_OK) {
String message = readNetUTF8(in);
if (status == SEARCHD_WARNING) {
res.warning = message;
} else {
res.error = message;
continue;
}
}
/* read fields */
int nfields = in.readInt();
res.fields = new String[nfields];
int pos = 0;
for (int i = 0; i < nfields; i++) res.fields[i] = readNetUTF8(in);
/* read arrts */
int nattrs = in.readInt();
res.attrTypes = new int[nattrs];
res.attrNames = new String[nattrs];
for (int i = 0; i < nattrs; i++) {
String AttrName = readNetUTF8(in);
int AttrType = in.readInt();
res.attrNames[i] = AttrName;
res.attrTypes[i] = AttrType;
}
/* read match count */
int count = in.readInt();
int id64 = in.readInt();
res.matches = new SphinxMatch[count];
for (int matchesNo = 0; matchesNo < count; matchesNo++) {
SphinxMatch docInfo;
docInfo = new SphinxMatch((id64 == 0) ? readDword(in) : in.readLong(), in.readInt());
/* read matches */
for (int attrNumber = 0; attrNumber < res.attrTypes.length; attrNumber++) {
String attrName = res.attrNames[attrNumber];
int type = res.attrTypes[attrNumber];
/* handle bigints */
if (type == SPH_ATTR_BIGINT) {
docInfo.attrValues.add(attrNumber, new Long(in.readLong()));
continue;
}
/* handle floats */
if (type == SPH_ATTR_FLOAT) {
docInfo.attrValues.add(attrNumber, new Float(in.readFloat()));
continue;
}
/* handle strings */
if (type == SPH_ATTR_STRING) {
String s = readNetUTF8(in);
docInfo.attrValues.add(attrNumber, s);
continue;
}
/* handle everything else as unsigned ints */
long val = readDword(in);
if (type == SPH_ATTR_MULTI) {
long[] vals = new long[(int) val];
for (int k = 0; k < val; k++) vals[k] = readDword(in);
docInfo.attrValues.add(attrNumber, vals);
} else if (type == SPH_ATTR_MULTI64) {
val = val / 2;
long[] vals = new long[(int) val];
for (int k = 0; k < val; k++) vals[k] = in.readLong();
docInfo.attrValues.add(attrNumber, vals);
} else {
docInfo.attrValues.add(attrNumber, new Long(val));
}
}
res.matches[matchesNo] = docInfo;
}
res.total = in.readInt();
res.totalFound = in.readInt();
res.time = in.readInt() / 1000.0f;
res.words = new SphinxWordInfo[in.readInt()];
for (int i = 0; i < res.words.length; i++)
res.words[i] = new SphinxWordInfo(readNetUTF8(in), readDword(in), readDword(in));
}
return results;
} catch (IOException e) {
_error = "incomplete reply";
return null;
}
}
/** Add new query with current settings to current search request. */
public int AddQuery(String query, String index, String comment) throws SphinxException {
ByteArrayOutputStream req = new ByteArrayOutputStream();
/* build request */
try {
DataOutputStream out = new DataOutputStream(req);
out.writeInt(_offset);
out.writeInt(_limit);
out.writeInt(_mode);
out.writeInt(_ranker);
if (_ranker == SPH_RANK_EXPR) {
writeNetUTF8(out, _rankexpr);
}
out.writeInt(_sort);
writeNetUTF8(out, _sortby);
writeNetUTF8(out, query);
int weightLen = _weights != null ? _weights.length : 0;
out.writeInt(weightLen);
if (_weights != null) {
for (int i = 0; i < _weights.length; i++) out.writeInt(_weights[i]);
}
writeNetUTF8(out, index);
out.writeInt(0);
out.writeInt(_minId);
out.writeInt(_maxId);
/* filters */
out.writeInt(_filterCount);
out.write(_rawFilters.toByteArray());
/* group-by, max matches, sort-by-group flag */
out.writeInt(_groupFunc);
writeNetUTF8(out, _groupBy);
out.writeInt(_maxMatches);
writeNetUTF8(out, _groupSort);
out.writeInt(_cutoff);
out.writeInt(_retrycount);
out.writeInt(_retrydelay);
writeNetUTF8(out, _groupDistinct);
/* anchor point */
if (_latitudeAttr == null
|| _latitudeAttr.length() == 0
|| _longitudeAttr == null
|| _longitudeAttr.length() == 0) {
out.writeInt(0);
} else {
out.writeInt(1);
writeNetUTF8(out, _latitudeAttr);
writeNetUTF8(out, _longitudeAttr);
out.writeFloat(_latitude);
out.writeFloat(_longitude);
}
/* per-index weights */
out.writeInt(_indexWeights.size());
for (Iterator e = _indexWeights.keySet().iterator(); e.hasNext(); ) {
String indexName = (String) e.next();
Integer weight = (Integer) _indexWeights.get(indexName);
writeNetUTF8(out, indexName);
out.writeInt(weight.intValue());
}
/* max query time */
out.writeInt(_maxQueryTime);
/* per-field weights */
out.writeInt(_fieldWeights.size());
for (Iterator e = _fieldWeights.keySet().iterator(); e.hasNext(); ) {
String field = (String) e.next();
Integer weight = (Integer) _fieldWeights.get(field);
writeNetUTF8(out, field);
out.writeInt(weight.intValue());
}
/* comment */
writeNetUTF8(out, comment);
/* overrides */
out.writeInt(_overrideTypes.size());
for (Iterator e = _overrideTypes.keySet().iterator(); e.hasNext(); ) {
String attr = (String) e.next();
Integer type = (Integer) _overrideTypes.get(attr);
Map values = (Map) _overrideValues.get(attr);
writeNetUTF8(out, attr);
out.writeInt(type.intValue());
out.writeInt(values.size());
for (Iterator e2 = values.keySet().iterator(); e2.hasNext(); ) {
Long id = (Long) e2.next();
out.writeLong(id.longValue());
switch (type.intValue()) {
case SPH_ATTR_FLOAT:
out.writeFloat(((Float) values.get(id)).floatValue());
break;
case SPH_ATTR_BIGINT:
out.writeLong(((Long) values.get(id)).longValue());
break;
default:
out.writeInt(((Integer) values.get(id)).intValue());
break;
}
}
}
/* select-list */
writeNetUTF8(out, _select);
/* done! */
out.flush();
int qIndex = _reqs.size();
_reqs.add(qIndex, req.toByteArray());
return qIndex;
} catch (Exception e) {
myAssert(false, "error in AddQuery(): " + e + ": " + e.getMessage());
} finally {
try {
_filters.close();
_rawFilters.close();
} catch (IOException e) {
myAssert(false, "error in AddQuery(): " + e + ": " + e.getMessage());
}
}
return -1;
}