remove QXmppSrvInfo

1 files changed, 0 insertions, 573 deletions

diff --git a/src/QXmppSrvInfo.cpp b/src/QXmppSrvInfo.cpp
deleted file mode 100644
index 5d60273f..00000000
--- a/src/QXmppSrvInfo.cpp
+++ /dev/null
@@ -1,573 +0,0 @@
-/*
- * Copyright (C) 2008-2011 The QXmpp developers
- *
- * Author:
- *  Jeremy Lainé
- *
- * Source:
- *  http://code.google.com/p/qxmpp
- *
- * This file is a part of QXmpp library.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- */
-
-#include "QXmppSrvInfo.h"
-#include "QXmppSrvInfo_p.h"
-
-#include <QCoreApplication>
-#include <QLibrary>
-#include <QMetaObject>
-#include <QMetaType>
-
-#if defined(Q_OS_WIN)
-#include <windows.h>
-#include <windns.h>
-#elif defined(Q_OS_SYMBIAN)
-#include <dns_qry.h>
-#elif defined(Q_OS_UNIX)
-#include <sys/types.h>
-#include <netdb.h>
-#if defined(Q_OS_MAC)
-#include <arpa/nameser.h>
-#include <arpa/nameser_compat.h>
-#endif
-#include <resolv.h>
-#endif
-
-Q_GLOBAL_STATIC(QXmppSrvInfoLookupManager, theSrvInfoLookupManager)
-
-#if defined(Q_OS_WIN)
-typedef DNS_STATUS (WINAPI *dns_query_utf8_proto)(PCSTR,WORD,DWORD,PIP4_ARRAY,PDNS_RECORD*,PVOID*);
-static dns_query_utf8_proto local_dns_query_utf8 = 0;
-typedef void (WINAPI *dns_record_list_free_proto)(PDNS_RECORD,DNS_FREE_TYPE);
-static dns_record_list_free_proto local_dns_record_list_free = 0;
-
-static void resolveLibrary()
-{
-    QLibrary lib(QLatin1String("dnsapi.dll"));
-    if (!lib.load())
-        return;
-
-    local_dns_query_utf8 = dns_query_utf8_proto(lib.resolve("DnsQuery_UTF8"));
-    local_dns_record_list_free = dns_record_list_free_proto(lib.resolve("DnsRecordListFree"));
-}
-
-#elif defined(Q_OS_UNIX) && !defined(Q_OS_ANDROID) && !defined(Q_OS_SYMBIAN)
-typedef int (*dn_expand_proto)(const unsigned char *, const unsigned char *, const unsigned char *, char *, int);
-static dn_expand_proto local_dn_expand = 0;
-typedef int (*res_ninit_proto)(res_state);
-static res_ninit_proto local_res_ninit = 0;
-typedef int (*res_nquery_proto)(res_state, const char *, int, int, unsigned char *, int);
-static res_nquery_proto local_res_nquery = 0;
-
-static void resolveLibrary()
-{
-    QLibrary lib(QLatin1String("resolv"));
-    if (!lib.load())
-        return;
-
-    local_dn_expand = dn_expand_proto(lib.resolve("__dn_expand"));
-    if (!local_dn_expand)
-        local_dn_expand = dn_expand_proto(lib.resolve("dn_expand"));
-
-    local_res_ninit = res_ninit_proto(lib.resolve("__res_ninit"));
-    if (!local_res_ninit)
-        local_res_ninit = res_ninit_proto(lib.resolve("res_9_ninit"));
-    if (!local_res_ninit)
-        local_res_ninit = res_ninit_proto(lib.resolve("res_ninit"));
-
-    local_res_nquery = res_nquery_proto(lib.resolve("__res_nquery"));
-    if (!local_res_nquery)
-        local_res_nquery = res_nquery_proto(lib.resolve("res_9_nquery"));
-    if (!local_res_nquery)
-        local_res_nquery = res_nquery_proto(lib.resolve("res_nquery"));
-}
-#endif
-
-//#define QSRVINFO_DEBUG
-
-static bool recordLessThan(const QXmppSrvRecord &r1, const QXmppSrvRecord &r2)
-{
-    // Order by priority.
-    if (r1.priority() < r2.priority())
-        return true;
-
-    // If the priority is equal, put zero weight records first.
-    if (r1.priority() == r2.priority() &&
-        r1.weight() == 0 && r2.weight() > 0)
-        return true;
-    return false;
-}
-
-static void sortSrvRecords(QList<QXmppSrvRecord> &records)
-{
-    // If we have no more than one result, we are done.
-    if (records.size() <= 1)
-        return;
-
-    // Order the records by priority, and for records with an equal
-    // priority, put records with a zero weight first.
-    qSort(records.begin(), records.end(), recordLessThan);
-
-    int i = 0;
-    while (i < records.size()) {
-
-        // Determine the slice of records with the current priority.
-        QList<QXmppSrvRecord> slice;
-        const quint16 slicePriority = records[i].priority();
-        int sliceWeight = 0;
-        for (int j = i; j < records.size(); ++j) {
-            if (records[j].priority() != slicePriority)
-                break;
-            sliceWeight += records[j].weight();
-            slice << records[j];
-        }
-#ifdef QSRVINFO_DEBUG
-        qDebug("sortSrvRecords() : priority %i (size: %i, total weight: %i)",
-               slicePriority, slice.size(), sliceWeight);
-#endif
-
-        // Order the slice of records.
-        while (!slice.isEmpty()) {
-            int randVal = qrand() % (sliceWeight + 1);
-            sliceWeight = 0;
-            bool sliceDone = false;
-            int j = 0;
-            while (j < slice.size()) {
-                if (!sliceDone && sliceWeight + slice[j].weight() >= randVal) {
-#ifdef QSRVINFO_DEBUG
-                    qDebug("sortSrvRecords() : adding %s %i (weight: %i)",
-                           qPrintable(slice[j].target()), slice[j].port(),
-                           slice[j].weight());
-#endif
-                    records[i++] = slice.takeAt(j);
-                    sliceDone = true;
-                } else {
-                    sliceWeight += slice[j].weight();
-                    j++;
-                }
-            }
-        }
-    }
-}
-
-class QXmppSrvRecordPrivate
-{
-public:
-    QXmppSrvRecordPrivate()
-        : port(0),
-          priority(0),
-          weight(0)
-    { }
-
-    QString target;
-    quint16 port;
-    quint16 priority;
-    quint16 weight;
-};
-
-/// Constructs an empty service record object.
-///
-
-QXmppSrvRecord::QXmppSrvRecord()
-    : d(new QXmppSrvRecordPrivate)
-{
-}
-
-/// Constructs a copy of \a other.
-
-QXmppSrvRecord::QXmppSrvRecord(const QXmppSrvRecord &other)
-    : d(new QXmppSrvRecordPrivate)
-{
-    *d = *other.d;
-}
-
-/// Destroys a service record.
-
-QXmppSrvRecord::~QXmppSrvRecord()
-{
-    delete d;
-}
-
-/// Returns host name for this service record.
-///
-
-QString QXmppSrvRecord::target() const
-{
-    return d->target;
-}
-
-/// Sets the host name for this service record.
-///
-/// \param target
-
-void QXmppSrvRecord::setTarget(const QString &target)
-{
-    d->target = target;
-}
-
-/// Returns the port for this service record.
-///
-
-quint16 QXmppSrvRecord::port() const
-{
-    return d->port;
-}
-
-/// Sets the port for this service record.
-///
-/// \param port
-
-void QXmppSrvRecord::setPort(quint16 port)
-{
-    d->port = port;
-}
-
-/// Returns the priority for this service record.
-///
-
-quint16 QXmppSrvRecord::priority() const
-{
-    return d->priority;
-}
-
-/// Sets the priority for this service record.
-///
-/// \param priority
-
-void QXmppSrvRecord::setPriority(quint16 priority)
-{
-    d->priority = priority;
-}
-
-/// Returns the weight for this service record.
-///
-
-quint16 QXmppSrvRecord::weight() const
-{
-    return d->weight;
-}
-
-/// Sets the weight for this service record.
-///
-/// \param weight
-
-void QXmppSrvRecord::setWeight(quint16 weight)
-{
-    d->weight = weight;
-}
-
-/// Assigns the data of the \a other object to this service record object,
-/// and returns a reference to it.
-
-QXmppSrvRecord &QXmppSrvRecord::operator=(const QXmppSrvRecord &other)
-{
-    *d = *other.d;
-    return *this;
-}
-
-class QXmppSrvInfoPrivate
-{
-public:
-    QXmppSrvInfoPrivate()
-        : error(QXmppSrvInfo::NoError)
-    { }
-
-    QXmppSrvInfo::Error error;
-    QString errorString;
-    QList<QXmppSrvRecord> records;
-};
-
-/// Constructs an empty service info.
-
-QXmppSrvInfo::QXmppSrvInfo()
-    : d(new QXmppSrvInfoPrivate)
-{
-}
-
-/// Constructs a copy of \a other.
-
-QXmppSrvInfo::QXmppSrvInfo(const QXmppSrvInfo &other)
-    : d(new QXmppSrvInfoPrivate)
-{
-    *d = *other.d;
-}
-
-/// Destroys a service info.
-
-QXmppSrvInfo::~QXmppSrvInfo()
-{
-    delete d;
-}
-
-/// Returns the type of error that occurred if the service lookup
-/// failed; otherwise returns NoError.
-
-QXmppSrvInfo::Error QXmppSrvInfo::error() const
-{
-    return d->error;
-}
-
-/// If the lookup failed, this function returns a human readable description
-/// of the error.
-
-QString QXmppSrvInfo::errorString() const
-{
-    return d->errorString;
-}
-
-/// Returns the list of records associated with this service.
-///
-QList<QXmppSrvRecord> QXmppSrvInfo::records() const
-{
-    return d->records;
-}
-
-/// Perform a DNS lookup for an SRV entry.
-///
-/// Returns a QXmppSrvInfo object containing the found records.
-///
-/// \param dname
-
-QXmppSrvInfo QXmppSrvInfo::fromName(const QString &dname)
-{
-    QXmppSrvInfo result;
-
-#if defined(Q_OS_WIN)
-    PDNS_RECORD records, ptr;
-
-    // Load DnsQuery_UTF8 and DnsRecordListFree on demand.
-    static volatile bool triedResolve = false;
-    if (!triedResolve) {
-        if (!triedResolve) {
-            resolveLibrary();
-            triedResolve = true;
-        }
-    }
-
-    // If DnsQuery_UTF8 or DnsRecordListFree is missing, fail.
-    if (!local_dns_query_utf8 || !local_dns_record_list_free) {
-        result.d->error = QXmppSrvInfo::UnknownError;
-        result.d->errorString = QLatin1String("DnsQuery_UTF8 or DnsRecordListFree functions not found");
-        return result;
-    }
-
-    // Perform DNS query.
-    if (local_dns_query_utf8(dname.toUtf8(), DNS_TYPE_SRV, DNS_QUERY_STANDARD, NULL, &records, NULL) != ERROR_SUCCESS)
-    {
-        result.d->error = QXmppSrvInfo::NotFoundError;
-        result.d->errorString = QLatin1String("DnsQuery_UTF8 failed");
-        return result;
-    }
-
-    // Extract results.
-    for (ptr = records; ptr != NULL; ptr = ptr->pNext)
-    {
-        if ((ptr->wType == DNS_TYPE_SRV) && !strcmp((char*)ptr->pName, dname.toUtf8()))
-        {
-            QXmppSrvRecord record;
-            record.setTarget(QString::fromUtf8((char*)ptr->Data.Srv.pNameTarget));
-            record.setPort(ptr->Data.Srv.wPort);
-            record.setPriority(ptr->Data.Srv.wPriority);
-            record.setWeight(ptr->Data.Srv.wWeight);
-            result.d->records.append(record);
-        }
-    }
-
-    local_dns_record_list_free(records, DnsFreeRecordList);
-
-#elif defined(Q_OS_ANDROID)
-    // TODO
-#elif defined(Q_OS_SYMBIAN)
-    RHostResolver dnsResolver;
-    RSocketServ dnsSocket;
-
-    // Initialise resolver.
-    TInt err = dnsSocket.Connect();
-    err = dnsResolver.Open(dnsSocket, KAfInet, KProtocolInetUdp);
-    if (err != KErrNone)
-    {
-        result.d->error = QXmppSrvInfo::UnknownError;
-        result.d->errorString = QLatin1String("RHostResolver::Open failed");
-        return result;
-    }
-
-    // Perform DNS query.
-    TDnsQueryBuf dnsQuery;
-    TDnsRespSRVBuf dnsResponse;
-    dnsQuery().SetClass(KDnsRRClassIN);
-    QByteArray utf8name = dname.toUtf8();
-    TPtrC8 queryPtr(reinterpret_cast<const TUint8*>(utf8name.constData()),utf8name.size());
-    dnsQuery().SetData(queryPtr);
-    dnsQuery().SetType(KDnsRRTypeSRV);
-    err = dnsResolver.Query(dnsQuery, dnsResponse);
-    if (err != KErrNone)
-    {
-        result.d->error = QXmppSrvInfo::NotFoundError;
-        result.d->errorString = QLatin1String("RHostResolver::Query failed");
-        return result;
-    }
-
-    // Extract results.
-    while (err == KErrNone)
-    {
-        QXmppSrvRecord record;
-        record.setTarget(QString::fromUtf8((const char*)dnsResponse().Target().Ptr(),
-                                             dnsResponse().Target().Length()));
-        record.setPort(dnsResponse().Port());
-        record.setPriority(dnsResponse().Priority());
-        record.setWeight(dnsResponse().Weight());
-        result.d->records.append(record);
-
-        err = dnsResolver.QueryGetNext(dnsResponse);
-    }
-
-#elif defined(Q_OS_UNIX)
-    unsigned char response[PACKETSZ];
-    int responseLength, answerCount, answerIndex;
-
-    // Load dn_expand, res_ninit and res_nquery on demand.
-    static volatile bool triedResolve = false;
-    if (!triedResolve) {
-        if (!triedResolve) {
-            resolveLibrary();
-            triedResolve = true;
-        }
-    }
-
-    // If dn_expand or res_nquery is missing, fail.
-    if (!local_dn_expand || !local_res_ninit || !local_res_nquery) {
-        result.d->error = QXmppSrvInfo::UnknownError;
-        result.d->errorString = QLatin1String("dn_expand, res_ninit or res_nquery functions not found");
-        return result;
-    }
-
-    // Initialise state.
-    struct __res_state state;
-    local_res_ninit(&state);
-
-    // Perform DNS query.
-    memset(response, 0, sizeof(response));
-    responseLength = local_res_nquery(&state, dname.toAscii(), C_IN, T_SRV, response, sizeof(response));
-    if (responseLength < int(sizeof(HEADER)))
-    {
-        result.d->error = QXmppSrvInfo::NotFoundError;
-        result.d->errorString = QLatin1String("res_nquery failed");
-        return result;
-    }
-
-    // Check the response header.
-    HEADER *header = (HEADER*)response;
-    if (header->rcode != NOERROR || !(answerCount = ntohs(header->ancount)))
-    {
-        result.d->error = QXmppSrvInfo::UnknownError;
-        result.d->errorString = QLatin1String("res_nquery returned an error");
-        return result;
-    }
-
-    // Skip the query.
-    char host[PACKETSZ], answer[PACKETSZ];
-    unsigned char *p = response + sizeof(HEADER);
-    int status = local_dn_expand(response, response + responseLength, p, host, sizeof(host));
-    if (status < 0)
-    {
-        result.d->error = QXmppSrvInfo::UnknownError;
-        result.d->errorString = QLatin1String("dn_expand failed");
-        return result;
-    }
-    p += status + 4;
-
-    // Extract results.
-    answerIndex = 0;
-    while ((p < response + responseLength) && (answerIndex < answerCount))
-    {
-        status = local_dn_expand(response, response + responseLength, p, host, sizeof(host));
-        if (status < 0)
-        {
-            result.d->error = QXmppSrvInfo::UnknownError;
-            result.d->errorString = QLatin1String("dn_expand failed");
-            return result;
-        }
-
-        p += status;
-        const int type = (p[0] << 8) | p[1];
-        p += 2;
-        //const int klass = (p[0] << 8) | p[1];
-        p += 2;
-        //const int ttl = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
-        p += 4;
-        const int size = (p[0] << 8) | p[1];
-        p += 2;
-
-        if (type == T_SRV)
-        {
-            quint16 priority = (p[0] << 8) | p[1];
-            quint16 weight = (p[2] << 8) | p[3];
-            quint16 port = (p[4] << 8) | p[5];
-            status = local_dn_expand(response, response + responseLength, p + 6, answer, sizeof(answer));
-            if (status < 0)
-            {
-                result.d->error = QXmppSrvInfo::UnknownError;
-                result.d->errorString = QLatin1String("dn_expand failed");
-                return result;
-            }
-            QXmppSrvRecord record;
-            record.setTarget(QString::fromUtf8(answer));
-            record.setPort(port);
-            record.setPriority(priority);
-            record.setWeight(weight);
-            result.d->records.append(record);
-        }
-        p += size;
-        answerIndex++;
-    }
-#endif
-    if (result.d->records.isEmpty())
-        result.d->error = QXmppSrvInfo::NotFoundError;
-    else
-        sortSrvRecords(result.d->records);
-    return result;
-}
-
-/// Performs a DNS lookup for an SRV entry. When the result of the lookup is
-/// ready, the slot or signal \a member in \a receiver is called with a
-/// QXmppSrvInfo argument.
-
-void QXmppSrvInfo::lookupService(const QString &name, QObject *receiver, const char *member)
-{
-    qRegisterMetaType<QXmppSrvInfo>("QXmppSrvInfo");
-
-    QXmppSrvInfoLookupManager *manager = theSrvInfoLookupManager();
-    if (manager)
-    {
-        // the application is still alive
-        QXmppSrvInfoLookupRunnable *runnable = new QXmppSrvInfoLookupRunnable(name);
-        QObject::connect(runnable, SIGNAL(foundInfo(QXmppSrvInfo)), receiver, member);
-        manager->start(runnable);
-    }
-}
-
-QXmppSrvInfoLookupManager::QXmppSrvInfoLookupManager()
-{
-    moveToThread(QCoreApplication::instance()->thread());
-    connect(QCoreApplication::instance(), SIGNAL(destroyed()),
-            SLOT(waitForThreadPoolDone()), Qt::DirectConnection);
-    setMaxThreadCount(5); // up to 5 parallel SRV lookups
-}
-
-void QXmppSrvInfoLookupRunnable::run()
-{
-    const QXmppSrvInfo result = QXmppSrvInfo::fromName(lookupName);
-    emit foundInfo(result);
-}
-