#include?“DetectOnline.h“

#define?DETECTPORT?3500
const?QString?STR1?=?“ONLINE“;
const?QString?STR2?=?“ACK“;
const?QString?STR3?=?“OFFLINE“;
const?int?INCREASEMENT?=?10;

DetectOnline::DetectOnline（）
{
????//偵聽套接字綁定端口
????socket_reci.bind（（quint16）DETECTPORT）;
????connect（?&socket_reci?SIGNAL（readyRead（））?this?SLOT（socketRead（））?）;

????count?=?100;
????length?=?0;

????online_info?=??new?QString*[count];
????for（int?i=0;?i????{
????????online_info[i]?=?new?QString[2];
????}

????Sendgram（STR1?““）;
}

void?DetectOnline?::?OffLine（）
{
????Sendgram（STR3?““）;
}

//DetectOnline?::?~DetectOnline（）
//{
//????Sendgram（STR3?““）;
////????delete?this;
//}

QString?DetectOnline?::?GetIP（）
{
????//返回本機ip
????QList?interlist?=?QNetworkInterface?::?allInterfaces（）;
????foreach（QNetworkInterface?interface?interlist）
????{
????????if（?interface.isValid（）?&&?interface.flags（）?==?（QNetworkInterface::IsUp?|?QNetworkInterface::CanMulticast?|
?????????????????????????????????????????????????????????QNetworkInterface::CanBroadcast?|?QNetworkInterface::IsRunning）?）
????????{
????????????QList?entry?=?interface.addressEntries（）;
????????????foreach（QNetworkAddressEntry?addr?entry）
????????????{
????????????????if（addr.ip（）.protocol（）?==?QAbstractSocket::IPv4Protocol）
????????????????????return?addr.ip（）.toString（）;
????????????}
????????}
????}
????return?NULL;
}

QString?DetectOnline?::?GetName（）
{
????//返回本機名字
????return?QHostInfo?::?localHostName（）;
}

QString?DetectOnline?::?GetBroadcast（）
{
????//返回當前廣播地址
????QList?interlist?=?QNetworkInterface?::?allInterfaces（）;
????foreach（QNetworkInterface?interface?interlist）
????{
//????????qDebug（）?<????????if（?interface.isValid（）?&&?interface.flags（）?==?（QNetworkInterface::IsUp?|?QNetworkInterface::CanMulticast?|
?????????????????????????????????????????????????????????QNetworkInterface::CanBroadcast?|?QNetworkInterface::IsRunning）?）
????????{
????????????QList?entry?=?interface.addressEntries（）;
????????????foreach（QNetworkAddressEntry?addr?entry）
????????????{
????????????????if（addr.ip（）.protocol（）?==?QAbstractSocket::IPv4Protocol）
????????????????{
//????????????????????qDebug（）?<????????????????????return?addr.broadcast（）.toString（）;
????????????????}
????????????}
????????}
????}
????return?NULL;
}

void?DetectOnline?::?Sendgram（QString?str?QString?ip）
{
????QDataStream?out（&datagram_send?QIODevice?::?WriteOnly）;
????//發上線通知或下線通知
????if（str?==?STR1?||?str?==?STR3）
????{
????????QString?myip?=?GetIP（）;
????????QString?name??=?GetName（）;
????????QString?broadcast?=?GetBroadcast（）;
????????QHostAddress?addr?=?QHostAddress（broadcast）;

????????out?<????????socket_send.writeDatagram（datagram_send?addr?DETECTPORT）;
????}
????//發收到確認
????if（str?==?STR2）
????{
????????QString?myip?=?GetIP（）;
????????QSt

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????315??2012-05-19?18:30??基于Linux的語音通信系統_程序\ChatSoftware\ChatSoftware.pro

?????文件??????18725??2012-06-08?18:08??基于Linux的語音通信系統_程序\ChatSoftware\ChatSoftware.pro.user

?????文件???????5519??2012-06-08?18:15??基于Linux的語音通信系統_程序\ChatSoftware\DetectOnline.cpp

?????文件???????1335??2012-06-08?18:11??基于Linux的語音通信系統_程序\ChatSoftware\DetectOnline.h

?????文件???????1235??2012-05-15?10:46??基于Linux的語音通信系統_程序\ChatSoftware\InfoToChat.cpp

?????文件????????419??2012-06-02?13:41??基于Linux的語音通信系統_程序\ChatSoftware\InfoToChat.h

?????文件??????45992??2012-05-15?10:43??基于Linux的語音通信系統_程序\ChatSoftware\liverpool.png

?????文件????????463??2012-06-02?15:29??基于Linux的語音通信系統_程序\ChatSoftware\main.cpp

?????文件????????946??2012-06-02?15:29??基于Linux的語音通信系統_程序\ChatSoftware\MainWin.cpp

?????文件????????501??2012-06-02?15:29??基于Linux的語音通信系統_程序\ChatSoftware\MainWin.h

?????文件??????13623??2012-05-20?20:17??基于Linux的語音通信系統_程序\ChatSoftware\Makefile

?????文件????????486??2012-05-15?19:38??基于Linux的語音通信系統_程序\ChatSoftware\PthreadSound.cpp

?????文件????????527??2012-05-19?18:56??基于Linux的語音通信系統_程序\ChatSoftware\PthreadSound.h

?????文件??????16654??2012-06-08?22:59??基于Linux的語音通信系統_程序\ChatSoftware\SoundChat.cpp

?????文件???????1805??2012-06-08?18:56??基于Linux的語音通信系統_程序\ChatSoftware\SoundChat.h

?????文件???????7643??2012-05-24?18:55??基于Linux的語音通信系統_程序\ChatSoftware\TxChatWin.cpp

?????文件???????1832??2012-06-02?13:41??基于Linux的語音通信系統_程序\ChatSoftware\TxChatWin.h

?????文件??????90025??2012-06-08?22:59??基于Linux的語音通信系統_程序\ChatSoftware-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____\ChatSoftware

?????文件??????17140??2012-06-08?18:58??基于Linux的語音通信系統_程序\ChatSoftware-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____\DetectOnline.o

?????文件??????11792??2012-06-02?14:07??基于Linux的語音通信系統_程序\ChatSoftware-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____\InfoToChat.o

?????文件??????45992??2012-05-15?10:43??基于Linux的語音通信系統_程序\ChatSoftware-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____\liverpool.png

?????文件???????1708??2012-06-08?18:58??基于Linux的語音通信系統_程序\ChatSoftware-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____\main.o

?????文件???????8140??2012-06-08?18:58??基于Linux的語音通信系統_程序\ChatSoftware-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____\MainWin.o

?????文件??????14182??2012-06-02?14:07??基于Linux的語音通信系統_程序\ChatSoftware-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____\Makefile

?????文件???????3414??2012-06-08?18:58??基于Linux的語音通信系統_程序\ChatSoftware-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____\moc_DetectOnline.cpp

?????文件???????5936??2012-06-08?18:58??基于Linux的語音通信系統_程序\ChatSoftware-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____\moc_DetectOnline.o

?????文件???????3231??2012-06-08?18:58??基于Linux的語音通信系統_程序\ChatSoftware-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____\moc_SoundChat.cpp

?????文件??????10808??2012-06-08?18:58??基于Linux的語音通信系統_程序\ChatSoftware-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____\moc_SoundChat.o

?????文件???????3990??2012-06-08?18:58??基于Linux的語音通信系統_程序\ChatSoftware-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____\moc_TxChatWin.cpp

?????文件??????13232??2012-06-08?18:58??基于Linux的語音通信系統_程序\ChatSoftware-build-desktop-Desktop_Qt_4_8_1_for_GCC__Qt_SDK____\moc_TxChatWin.o

............此處省略9個文件信息