From 2166bc6d3eeeef2c27fc0babc81d278d36ed2522 Mon Sep 17 00:00:00 2001 From: TheXception Date: Wed, 20 Feb 2008 20:55:48 +0000 Subject: fixed doc (file format win32 -> unix) git-svn-id: https://svn.kvirc.de/svn/trunk/kvirc@1144 17fca916-40b9-46aa-a4ea-0a15b648b75c --- src/modules/objects/class_socket.cpp | 2662 +++++++++++++++++----------------- 1 file changed, 1331 insertions(+), 1331 deletions(-) (limited to 'src/modules/objects/class_socket.cpp') diff --git a/src/modules/objects/class_socket.cpp b/src/modules/objects/class_socket.cpp index 3819ca05b..c10c89e1e 100644 --- a/src/modules/objects/class_socket.cpp +++ b/src/modules/objects/class_socket.cpp @@ -1,1331 +1,1331 @@ -// -// File : class_socket.cpp -// Creation date : Sun Nov 11 03:13:45 2001 GMT by Szymon Stefanek -// -// This file is part of the KVirc irc client distribution -// Copyright (C) 2001 Szymon Stefanek (pragma at kvirc dot net) -// -// This program is FREE software. You can redistribute it and/or -// modify it under the terms of the GNU General Public License -// as published by the Free Software Foundation; either version 2 -// of the License, or (at your opinion) any later version. -// -// This program 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 General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program. If not, write to the Free Software Foundation, -// Inc. ,59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -// - -#include "kvi_settings.h" -#include "kvi_qstring.h" - -#define _KVI_DEBUG_CHECK_RANGE_ -#include "kvi_debug.h" - - -#include "kvi_locale.h" -#include "kvi_error.h" -#include "kvi_netutils.h" -#include "kvi_dns.h" -#include "kvi_error.h" -#include "kvi_socket.h" -#include "kvi_malloc.h" -#include "kvi_memmove.h" -#include "kvi_databuffer.h" -#include "kvi_qcstring.h" - -#include "class_socket.h" - -//#include - -#define KVI_IN_BUFFER_ALLOC_CHUNK 4096 -#define KVI_READ_CHUNK 1024 -/* -static KviScriptObjectClass * g_pSocketClass = 0; - -static KviScriptObject * socketClassCreateInstance(KviScriptObjectClass * cls,KviScriptObject *par,const char * nam) -{ - return new KviScriptSocketObject(cls,par,nam); -} - -KviScriptSocketObject::KviScriptSocketObject(KviScriptObjectClass * cla,KviScriptObject * par,const char * nam) -: KviScriptObject(cla,par,nam) -{ - m_uConnectionId = 0; - m_sock = KVI_INVALID_SOCKET; - m_iStatus = KVI_SCRIPT_SOCKET_STATUS_DISCONNECTED; - m_uRemotePort = 0; - m_uSecondaryPort = 0; - m_pSn = 0; - m_pDns = 0; - m_pDelayTimer = 0; - m_uConnectTimeout = 60000; - m_pInBuffer = 0; - m_uInBufferLen = 0; - m_uInDataLen = 0; - m_pOutBuffer = new KviDataBuffer(); - m_pFlushTimer = new QTimer(); - m_bIpV6 = false; - m_uLocalPort = 0; - m_secondarySock = KVI_INVALID_SOCKET; - connect(m_pFlushTimer,SIGNAL(timeout()),this,SLOT(tryFlush())); -} - -KviScriptSocketObject::~KviScriptSocketObject() -{ - delete m_pOutBuffer; - delete m_pFlushTimer; - - if(m_pInBuffer)kvi_free(m_pInBuffer); - if(m_pDelayTimer)delete m_pDelayTimer; - if(m_pDns)delete m_pDns; - if(m_pSn)delete m_pSn; - if(m_sock != KVI_INVALID_SOCKET)kvi_socket_close(m_sock); - if(m_secondarySock != KVI_INVALID_SOCKET)kvi_socket_close(m_secondarySock); -} - -void KviScriptSocketObject::reset() -{ - m_uConnectionId++; // this is the only place where this is incremented! - if(m_pDelayTimer) - { - delete m_pDelayTimer; - m_pDelayTimer = 0; - } - if(m_pDns) - { - delete m_pDns; - m_pDns = 0; - } - if(m_pSn) - { - delete m_pSn; - m_pSn = 0; - } - if(m_sock != KVI_INVALID_SOCKET) - { - kvi_socket_close(m_sock); - m_sock = KVI_INVALID_SOCKET; - } - if(m_pInBuffer) - { - kvi_free(m_pInBuffer); - m_pInBuffer = 0; - } - if(m_secondarySock) - { - kvi_socket_close(m_secondarySock); - m_secondarySock = KVI_INVALID_SOCKET; - } - m_uSecondaryPort = 0; - m_szSecondaryIp.clear(); - delete m_pOutBuffer; - if(m_pFlushTimer->isActive())m_pFlushTimer->stop(); - m_pOutBuffer = new KviDataBuffer(); - m_uInBufferLen = 0; - m_uInDataLen = 0; - m_iStatus = KVI_SCRIPT_SOCKET_STATUS_DISCONNECTED; - m_uRemotePort = 0; - m_szRemoteIp.clear(); - m_uLocalPort = 0; - m_szLocalIp.clear(); - m_bIpV6 = false; -} - -/* - @doc: socket - @keyterms: - socket object class - @title: - socket class - @type: - class - @short: - A Ipv4/Ipv6 TCP socket - @inherits: - [class]object[/class] - @description: - This class provides a standard TCP/IP socket functionality.[br] - It can be used either for connecting to a remote host or to listening for incoming connections.[br] - If the KVIrc executable has been compiled with the IPV6 protocol support , this socket also supports it.[br] - @functions: - !fn: $status() - Returns the status of the socket :[br] - 4=connected[br] - 3=listening[br] - 2=connecting[br] - 1=in dns call[br] - 0=disconnected - - !fn: $connectTimeout() - Returns the value of the connect attempt timeout in milliseconds.[br] - This is the timeout after that a connection attempt will be considered as failed if the remote - host is not responding. You can set it with [classfnc:socket]$setConnectTimeout[/classfnc](). - - !fn: $setConnectTimeout() - Sets the connect timeout for this socket. must be a positive value in milliseconds.[br] - The default timeout is 60000. - - !fn: $connect(,) - Attempts a connection to on port .[br] - can be a numeric internet address (either Ipv4 or Ipv6 (if supported)) or a hostname.[br] - If a hostname is used, a DNS lookup is performed (the socket enters the "dns call" state).[br] - This function returns 1 if the connect attempt can be succesfully initiated, - 0 otherwise.[br] In fact , this function returns 0 only if the supplied parameter - is invalid or the socket is in an incoherent state (already connected or listening): - for a newly created socket and with a valid number you can safely ignore - the return value.[br] - Please note that the connection is asynchronous: when this function returns - the socket is NOT connected: it has just initiated the connect attempt - and you will be notified of the attempt result by an asynchronous event call: - in case of failure , $connectFailedEvent() will be called , in case of - succes , $connectEvent() will be called. - - !fn: $listen([[,[,]]]) - Attempts to listen on the specified and .[br] - If is not passed it is assumed to be 0 , if is not passed , it is assumed to be - "any interface" (INADDR_ANY).[br] Port 0 means that the kernel should choose a "random" port to listen on.[br] - If the is recognized as IPV6 address , and IPV6 is supported , the socket listens - in IPV6 mode. If is an empty string and is 1 the socket listens - on "any ipv6 interface".[br] - This function returns '1' in case of success and '0' in case of failure.[br] - On some systems listening in the IPV6 namespace allows to accept also IPV4 connections (this includes - linux but not windows afaik).[br] - When an incoming connection will arrive , $incomingConnectionEvent() will be called. - - !fn: $accept() - This function can be called only from inside $incomingConnectionEvent().[br] - must be a newly created socket sub-class instance object.[br] - The passed object will be set up to handle the incoming connection and this object - will remain in listening state (unless you explicitly close it).[br] - This function returns '1' in case of success and '0' in case of failure. - - !fn: $connectEvent() - This function is called when a connection attempt has been succesfully completed. - The socket is actually connected to [classfnc:socket]$remoteIp[/classfnc]() on - [classfnc:socket]$remotePort[/classfnc](). You can start - writing data and you may expect [classfnc:socket]$dataAvailableEvent[/classfnc]() to be - triggered. - - !fn: $incomingConnectionEvent() - This function is called when an incoming connection arrives over a socket in listening state.[br] - You must call [classfnc:socket]$accept[/classfnc]() passing a newly created socket object - to accept and handle the connection.[br] If you don't call [classfnc:socket]$accept[/classfnc]() - the incoming connection will be automatically terminated. - - !fn: $connectFailedEvent() - This function is called when a connection attempt fails for some reason. contains - the error string.[br] - This function may be called only between a call to [classfnc:socket]$connect[/classfnc]() and - the [classfnc:socket]$connectEvent[/classfnc](). - - !fn: $disconnectEvent([error]) - This function is called when a connection is terminated either cleanly or because of an error.[br] - [error] is an empty string in case of a "clean" termination (connection closed by the remote host) - or is a message describing the socket error that caused the connection to be interrupted. - - !fn: $dataAvailableEvent() - This function is called when some data is available to be read: the parameter specifies - the length of the available data in bytes.[br] - You can use one of the $read* functions to obtain the data. - - !fn: $read() - Reads at most bytes of data from the socket. If is anything "outside" the - available data range ( < 0 or > available_data_length), this function - returns all the available data.[br] - Please note that this function can't deal withi binary data: NULL characters are transformed to - ASCII characters 255. - - !fn: $readHex() - Reads at most bytes of data from the socket. If is anything "outside" the - available data range ( < 0 or > available_data_length), this function - returns all the available data.[br] - Returns the data encoded as hexadecimal digit string: this function can deal with binary data too. - - !fn: $write() - Writes to the socket.[br] - This function can't deal with binary data (you can't send a NULL character)[br] - Please note that when this function finishes it does not mean that the data has reached the remote end.[br] - Basically it does not even mean that the data has been sent to the remote host.[br] - The data is enqueued for sending and will be sent as soon as possible.[br] - If you're going to [cmd]delete[/cmd] this object just after the $write call, you should - call [classfnc:socket]$close[/classfnc]() just before [cmd]delete[/cmd] to ensure the data delivery. - - !fn: $writeHex() - Writes to the socket.[br] - is expected to be a hexadecimal rappresentation of the bytes to be sent (two HEX characters - for each byte). This means that the length of string must be a multiple of 2.[br] - Returns the length of the actually decoded and sent data in bytes or -1 in case of error (the string - was not a valid hexadecimla rappresentation).[br] - Please note that when this function finishes it does not mean that the data has reached the remote end.[br] - Basically it does not even mean that the data has been sent to the remote host.[br] - The data is enqueued for sending and will be sent as soon as possible.[br] - If you're going to [cmd]delete[/cmd] this object just after the $writeHex call, you should - call [classfnc:socket]$close[/classfnc]() just before [cmd]delete[/cmd] to ensure the data delivery. - - !fn: $close() - Resets this socket state: kills any pending or active connection. After a close() call - the socket may be used for a new connection.[br] - If there is an active connection, there is a last attempt to flush the pending outgoing data.[br] - You don't need to call $close() if you [cmd]delete[/cmd] the socket: KVIrc will - reset the socket state automatically and free the memory. But if you want to ensure data delivery - after a $write call sequece and just before a [cmd]delete[/cmd], $close() is the only chance to do it. - - !fn: $remoteIp() - Returns the IP address of the remote end of this socket.[br] - The return value is meaningful only if the socket is in connected or connecting state. - - !fn: $setProtocol() - Let KVIrc use TCP jr UDP protocol - - !fn: $remotePort() - Returns the port of the remote end of this socket.[br] - The return value is meaningful only if the socket is in connected or connecting state. - - !fn: $localIp() - Returns the IP address of the local end of this socket.[br] - The return value is meaningful only if the socket is in connected , listening or connecting state. - - !fn: $localPort() - Returns the port of the local end of this socket.[br] - The return value is meaningful only if the socket is in connected , listening or connecting state. - -@examples: - [example] - #Server socket: listen 80 port and answer to requests (multi-threaded)[br] -[br] - class (webserver,socket) {[br] - constructor () {[br] - $$->$listen(80, "127.0.0.1")[br] - }[br] - incomingConnectionEvent()[br] - {[br] - %tmp = $new(socket)[br] - $$->$accept(%tmp)[br] - echo "Webserver incoming Conection from: %tmp->$remoteIp : %tmp->$remotePort"[br] - %tmp->$write("HTTP/1.1 200 OK\n\n

KVIrc Webserver

\n")[br] - %tmp->$close()[br] - delete %tmp[br] - }[br] - }[br] - [br] - #finally start webserver[br] - %WebS = $new(webserver)[br] - [br] - [/example] - [example] - #Client socket - go to google and grab request header[br] - class (httprequest,socket) {[br] - constructor () [br] - {[br] - # connect to the server[br] - $$->$connect("www.google.de",80)[br] - }[br] - destructor()[br] - {[br] - # if the socket is still open close it[br] - if($$->$status() == 4) $$->$close()[br] - }[br] - connectFailedEvent() [br] - {[br] - # the connection to the server failed[br] - echo "Connection failed: "$0[br] - delete $$[br] - }[br] - connectEvent() [br] - {[br] - # connection is complete[br] - # send a request to receive the headers only from http://www.google.de/[br] - $$->$write("HEAD / HTTP/1.1\r\nHost: www.google.de\r\nConnction: Close\r\nUser-Agent: KVIrc socket\r\n\r\n");[br] - }[br] - dataAvailableEvent() [br] - {[br] - # reading the received data[br] - %newdata = $$->$read($0)[br] - echo %newdata[br] - #close and delete the socket[br] - $$->$close()[br] - delete $$[br] - }[br] - disconnectEvent() [br] - {[br] - # connection has been closed[br] - echo "Connection closed"[br] - delete $$[br] - }[br] -}[br] - -#Creating the socket[br] -%Temp = $new(httprequest)[br] - [/example] -*/ - -KVSO_BEGIN_REGISTERCLASS(KviKvsObject_socket,"socket","object") - - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"status",functionStatus) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"remotePort",functionRemotePort) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"remoteIp",functionRemoteIp) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"localIp",functionLocalIp) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"localPort",functionLocalPort) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"connect",functionConnect) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"connectTimeout",functionConnectTimeout) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"setConnectTimeout",functionSetConnectTimeout) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"close",functionClose) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"read",functionRead) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"readHex",functionReadHex) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"write",functionWrite) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"writeHex",functionWriteHex) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"setProtocol",functionSetProtocol) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"listen",functionListen) - KVSO_REGISTER_HANDLER(KviKvsObject_socket,"accept",functionAccept) - - KVSO_REGISTER_STANDARD_NOTHINGRETURN_HANDLER(KviKvsObject_socket,"connectEvent") - KVSO_REGISTER_STANDARD_NOTHINGRETURN_HANDLER(KviKvsObject_socket,"connectFailedEvent") - KVSO_REGISTER_STANDARD_NOTHINGRETURN_HANDLER(KviKvsObject_socket,"disconnectEvent") - KVSO_REGISTER_STANDARD_NOTHINGRETURN_HANDLER(KviKvsObject_socket,"dataAvailableEvent") - KVSO_REGISTER_STANDARD_NOTHINGRETURN_HANDLER(KviKvsObject_socket,"incomingConnectionEvent") - -KVSO_END_REGISTERCLASS(KviKvsObject_socket) - - -KVSO_BEGIN_CONSTRUCTOR(KviKvsObject_socket,KviKvsObject) - - - m_bUdp = false; - m_uConnectionId = 0; - m_sock = KVI_INVALID_SOCKET; - m_iStatus = KVI_SCRIPT_SOCKET_STATUS_DISCONNECTED; - m_uRemotePort = 0; - m_uSecondaryPort = 0; - m_pSn = 0; - m_pDns = 0; - m_pDelayTimer = 0; - m_uConnectTimeout = 60000; - m_pInBuffer = 0; - m_uInBufferLen = 0; - m_uInDataLen = 0; - m_pOutBuffer = new KviDataBuffer(); - m_pFlushTimer = new QTimer(); - m_bIpV6 = false; - m_uLocalPort = 0; - m_secondarySock = KVI_INVALID_SOCKET; - connect(m_pFlushTimer,SIGNAL(timeout()),this,SLOT(tryFlush())); -KVSO_END_CONSTRUCTOR(KviKvsObject_socket) - -KVSO_BEGIN_DESTRUCTOR(KviKvsObject_socket) - delete m_pOutBuffer; - delete m_pFlushTimer; - - if(m_pInBuffer)kvi_free(m_pInBuffer); - if(m_pDelayTimer)delete m_pDelayTimer; - if(m_pDns)delete m_pDns; - if(m_pSn)delete m_pSn; - if(m_sock != KVI_INVALID_SOCKET)kvi_socket_close(m_sock); - if(m_secondarySock != KVI_INVALID_SOCKET)kvi_socket_close(m_secondarySock); -KVSO_END_DESTRUCTOR(KviKvsObject_socket) -//---------------------- - - -bool KviKvsObject_socket::functionStatus(KviKvsObjectFunctionCall *c) -{ - c->returnValue()->setInteger(m_iStatus); - return true; -} - -bool KviKvsObject_socket::functionClose(KviKvsObjectFunctionCall *c) -{ - if((m_pOutBuffer->size() != 0) && (m_iStatus == KVI_SCRIPT_SOCKET_STATUS_CONNECTED)) - tryFlush(); - - reset(); - return true; -} - -bool KviKvsObject_socket::functionConnectTimeout(KviKvsObjectFunctionCall *c) -{ - c->returnValue()->setInteger(m_uConnectTimeout); - return true; -} - -bool KviKvsObject_socket::functionSetConnectTimeout(KviKvsObjectFunctionCall *c) -{ - kvs_uint_t uTimeout; - KVSO_PARAMETERS_BEGIN(c) - KVSO_PARAMETER("time_out",KVS_PT_UNSIGNEDINTEGER,0,uTimeout) - KVSO_PARAMETERS_END(c) - m_uConnectTimeout = uTimeout; - return true; -} - -bool KviKvsObject_socket::functionRemotePort(KviKvsObjectFunctionCall *c) -{ - c->returnValue()->setInteger(m_uRemotePort); - return true; -} - -bool KviKvsObject_socket::functionRemoteIp(KviKvsObjectFunctionCall *c) -{ - c->returnValue()->setString(m_szRemoteIp); - return true; -} - -bool KviKvsObject_socket::functionLocalPort(KviKvsObjectFunctionCall *c) -{ - c->returnValue()->setInteger(m_uLocalPort); - return true; -} - -bool KviKvsObject_socket::functionLocalIp(KviKvsObjectFunctionCall *c) -{ - c->returnValue()->setString(m_szLocalIp); - return true; -} - -bool KviKvsObject_socket::functionAccept(KviKvsObjectFunctionCall *c) -{ - KviKvsObject * pObject; - kvs_hobject_t hObject; - KVSO_PARAMETERS_BEGIN(c) - KVSO_PARAMETER("object_socket",KVS_PT_HOBJECT,0,hObject) - KVSO_PARAMETERS_END(c) - - pObject = KviKvsKernel::instance()->objectController()->lookupObject(hObject); - - if(!pObject) - { - c->warning(__tr2qs("No socket object specified")); - return true; - } - - if(!pObject->inherits("KviKvsObject_socket")) - { - c->warning(__tr2qs("Invalid socket object specified (it doesn't inherit from socket)")); - return true; - } - - if(m_secondarySock != KVI_INVALID_SOCKET) - { - ((KviKvsObject_socket *)pObject)->acceptConnection(m_secondarySock,m_uSecondaryPort,m_szSecondaryIp); - - m_secondarySock = KVI_INVALID_SOCKET; - m_uSecondaryPort = 0; - m_szSecondaryIp=""; - } else { - c->warning(__tr2qs("There is no connection to accept!")); - } - return true; -} - - -bool KviKvsObject_socket::functionSetProtocol(KviKvsObjectFunctionCall *c) -{ - QString m_szHex; - KVSO_PARAMETERS_BEGIN(c) - KVSO_PARAMETER("hex_string",KVS_PT_STRING,0,m_szHex) - KVSO_PARAMETERS_END(c) - - m_bUdp=KviQString::equalCI(m_szHex,"udp"); - return false; -} - -bool KviKvsObject_socket::functionWriteHex(KviKvsObjectFunctionCall *c) -{ - QString m_szHex; - KVSO_PARAMETERS_BEGIN(c) - KVSO_PARAMETER("hex_string",KVS_PT_STRING,0,m_szHex) - KVSO_PARAMETERS_END(c) - - if(m_szHex.length() > 0) - { - bool bOk; - QString szTmp; - szTmp=m_szHex.setNum(m_szHex.toInt(&bOk,16),16); - if(szTmp.length()>0) - { - KviQCString szData8 = szTmp.utf8(); - m_pOutBuffer->append((const unsigned char *)(szData8.data()),szData8.length()); - delayedFlush(0); - c->returnValue()->setInteger(szData8.length()); - } - } - - /* - if(pszData) - { - if(pszData->len() > 0) - { - char * ptr; - len = pszData->hexToBuffer(&ptr); - if(len > 0) - { - m_pOutBuffer->append((const unsigned char *)(ptr),len); - delayedFlush(0); - KviStr::freeBuffer(ptr); - } - } - } - buffer.append(KviStr::Format,"%d",len); -*/ - return true; -} - - - - - -bool KviKvsObject_socket::functionConnect(KviKvsObjectFunctionCall *c) -{ - KVSO_PARAMETERS_BEGIN(c) - KVSO_PARAMETER("remote_ip",KVS_PT_STRING,0,m_szRemoteIp) - KVSO_PARAMETER("remote_port",KVS_PT_UNSIGNEDINTEGER,0,m_uRemotePort) - KVSO_PARAMETERS_END(c) - debug ("Function connect"); - - - if (m_uRemotePort>65535) - { - c->warning(__tr2qs("Value %d for port is out of range (values allowed are from 0 to 65535"),m_uRemotePort); - return true; - } - if((m_sock != KVI_INVALID_SOCKET) || (m_iStatus != KVI_SCRIPT_SOCKET_STATUS_DISCONNECTED)) - { - c->warning(__tr2qs("Another connection in progress")); - c->returnValue()->setBoolean(true); - return true; - } - - -#ifdef COMPILE_IPV6_SUPPORT - if(kvi_isValidStringIp(m_szRemoteIp) || kvi_isValidStringIp_V6(m_szRemoteIp)) -#else - if(kvi_isValidStringIp(m_szRemoteIp)) -#endif - { - debug ("ok connecting"); - debug ("connectinhg on ip %s ",m_szRemoteIp.latin1()); - debug ("non so ip"); - m_iStatus = KVI_SCRIPT_SOCKET_STATUS_CONNECTING; - delayedConnect(); - } else { - debug ("connectinhg on ip %s port %d",m_szRemoteIp.latin1(),m_uRemotePort); - m_iStatus = KVI_SCRIPT_SOCKET_STATUS_DNS; - delayedLookupRemoteIp(); - } - c->returnValue()->setBoolean(true); - return true; -} - - - - - - -bool KviKvsObject_socket::functionListen(KviKvsObjectFunctionCall *c) -{ - if((m_sock != KVI_INVALID_SOCKET) || (m_iStatus != KVI_SCRIPT_SOCKET_STATUS_DISCONNECTED)) - { - c->warning(__tr2qs("Another connection in progress")); - c->returnValue()->setBoolean(false); - return true; - } - kvs_uint_t uLocalPort; - QString m_szLocalIp; - bool m_bIpV6; - KVSO_PARAMETERS_BEGIN(c) - KVSO_PARAMETER("local_port",KVS_PT_UNSIGNEDINTEGER,0,uLocalPort) - KVSO_PARAMETER("local_ip",KVS_PT_STRING,KVS_PF_OPTIONAL,m_szLocalIp) - KVSO_PARAMETER("bool_ipV6",KVS_PT_BOOLEAN,KVS_PF_OPTIONAL,m_bIpV6) - KVSO_PARAMETERS_END(c) - m_uLocalPort=uLocalPort; - -#ifndef COMPILE_IPV6_SUPPORT - if(m_bIpV6) - { - c->warning(__tr2qs("No IPV6 support in this executable")); - c->returnValue()->setBoolean(false); - reset(); - return true; - } -#endif - - bool bGotIp = false; - - if(!m_szLocalIp.isEmpty()) - { - - // Check the address type - if(kvi_isValidStringIp(m_szLocalIp))bGotIp = true; - else { -#ifdef COMPILE_IPV6_SUPPORT - if(kvi_isValidStringIp_V6(m_szLocalIp)) - { - bGotIp = true; - m_bIpV6 = true; - } else { -#else - c->warning(__tr2qs("Invalid IP address specified ('%Q')"),&m_szLocalIp); - c->returnValue()->setBoolean(false); - reset(); - return true; -#endif -#ifdef COMPILE_IPV6_SUPPORT - } -#endif - } - } - - -#ifdef COMPILE_IPV6_SUPPORT - m_sock = kvi_socket_create(m_bIpV6 ? KVI_SOCKET_PF_INET6 : KVI_SOCKET_PF_INET, - m_bUdp ? KVI_SOCKET_TYPE_DGRAM : KVI_SOCKET_TYPE_STREAM,KVI_SOCKET_PROTO_TCP); -#else - m_sock = kvi_socket_create(KVI_SOCKET_PF_INET,m_bUdp ? KVI_SOCKET_TYPE_DGRAM : KVI_SOCKET_TYPE_STREAM,KVI_SOCKET_PROTO_TCP); -#endif - - if(m_sock == KVI_INVALID_SOCKET) - { - c->warning(__tr2qs("Socket creation failed")); - c->returnValue()->setBoolean(false); - reset(); - return true; - } - - if(!m_szLocalIp.isEmpty()) - { -#ifdef COMPILE_IPV6_SUPPORT - KviSockaddr sa(m_szLocalIp,m_uLocalPort,m_bIpV6,m_bUdp); -#else - KviSockaddr sa(m_szLocalIp,m_uLocalPort,false,m_bUdp); -#endif - if(!sa.socketAddress()) - { - c->warning(__tr2qs("Invalid socket address")); - reset(); - c->returnValue()->setBoolean(false); - return true; - } - - if(!kvi_socket_bind(m_sock,sa.socketAddress(),((int)(sa.addressLength())))) - { - c->warning(__tr2qs("Bind failure")); - reset(); - c->returnValue()->setBoolean(false); - return true; - } - } else { -#ifdef COMPILE_IPV6_SUPPORT - KviSockaddr sa(m_uLocalPort,m_bIpV6,m_bUdp); -#else - KviSockaddr sa(m_uLocalPort,false,m_bUdp); -#endif - if(!sa.socketAddress()) - { - c->warning(__tr2qs("Invalid socket address")); - reset(); - c->returnValue()->setBoolean(false); - return true; - } - - if(!kvi_socket_bind(m_sock,sa.socketAddress(),((int)(sa.addressLength())))) - { - c->warning(__tr2qs("Bind failure")); - reset(); - c->returnValue()->setBoolean(false); - return true; - } - } - - - if(!kvi_socket_listen(m_sock,5)) - { - c->warning(__tr2qs("Listen failure")); - reset(); - c->returnValue()->setBoolean(false); - return true; - } - - - // Reread the port in case we're binding to a random one (0) - -#ifdef COMPILE_IPV6_SUPPORT - KviSockaddr sareal(0,m_bIpV6,m_bUdp); -#else - KviSockaddr sareal(0,false,m_bUdp); -#endif - - int size = (int)sareal.addressLength(); - - if(kvi_socket_getsockname(m_sock,sareal.socketAddress(),&size)) - { - m_uLocalPort = sareal.port(); - sareal.getStringAddress(m_szLocalIp); - } - - // and setup the READ notifier... - m_pSn = new QSocketNotifier(m_sock,QSocketNotifier::Read); - QObject::connect(m_pSn,SIGNAL(activated(int)),this,SLOT(incomingConnection(int))); - m_pSn->setEnabled(true); - - m_iStatus = KVI_SCRIPT_SOCKET_STATUS_LISTENING; - - c->returnValue()->setBoolean(true); - return true; -} - -void KviKvsObject_socket::incomingConnection(int) -{ -#ifdef COMPILE_IPV6_SUPPORT - struct sockaddr_in6 hostSockAddr6; -#endif - struct sockaddr_in hostSockAddr; - - int size = sizeof(hostSockAddr); - struct sockaddr * addr = (struct sockaddr *)&hostSockAddr; - -#ifdef COMPILE_IPV6_SUPPORT - if(m_bIpV6) - { - addr = (struct sockaddr *)&hostSockAddr6; - size = sizeof(hostSockAddr6); - } -#endif - - // Incoming connection - m_secondarySock = kvi_socket_accept(m_sock,addr,&size); - if(m_secondarySock != KVI_INVALID_SOCKET) - { - // Connected -#ifdef COMPILE_IPV6_SUPPORT - if(m_bIpV6) - { - m_uSecondaryPort = ntohs(((struct sockaddr_in6 *)addr)->sin6_port); - if(!kvi_binaryIpToStringIp_V6(((struct sockaddr_in6 *)addr)->sin6_addr,m_szSecondaryIp)) - m_szSecondaryIp = __tr("unknown"); - } else { -#endif - m_uSecondaryPort = ntohs(((struct sockaddr_in *)addr)->sin_port); - if(!kvi_binaryIpToStringIp(((struct sockaddr_in *)addr)->sin_addr,m_szSecondaryIp)) - m_szSecondaryIp = __tr("unknown"); -#ifdef COMPILE_IPV6_SUPPORT - } -#endif - KviKvsVariantList *params=0; - callFunction(this,"incomingConnectionEvent",params); - if(m_secondarySock != KVI_INVALID_SOCKET) - { - kvi_socket_close(m_secondarySock); - m_secondarySock = KVI_INVALID_SOCKET; - m_uSecondaryPort = 0; - m_szSecondaryIp=""; - } - - } // else..huh ?... wait for the next notifier call -} - -void KviKvsObject_socket::acceptConnection(kvi_socket_t s,kvi_u32_t uPort,const char * szIp) -{ - reset(); - m_sock = s; - m_uRemotePort = uPort; - m_szRemoteIp = szIp; -#ifdef COMPILE_IPV6_SUPPORT - KviSockaddr sareal(0,m_bIpV6,m_bUdp); -#else - KviSockaddr sareal(0,false,m_bUdp); -#endif - - int size = (int)sareal.addressLength(); - - if(kvi_socket_getsockname(m_sock,sareal.socketAddress(),&size)) - { - m_uLocalPort = sareal.port(); - sareal.getStringAddress(m_szLocalIp); - } - - m_iStatus = KVI_SCRIPT_SOCKET_STATUS_CONNECTED; - - m_pSn = new QSocketNotifier((int)m_sock,QSocketNotifier::Read); - QObject::connect(m_pSn,SIGNAL(activated(int)),this,SLOT(readNotifierFired(int))); - m_pSn->setEnabled(true); -} - -void KviKvsObject_socket::delayedConnect() -{ - if(m_pDelayTimer)delete m_pDelayTimer; - m_pDelayTimer = new QTimer(); - connect(m_pDelayTimer,SIGNAL(timeout()),this,SLOT(doConnect())); - m_pDelayTimer->start(0,true); -} - -void KviKvsObject_socket::doConnect() -{ - debug ("doConnect function"); - if(m_pDelayTimer)delete m_pDelayTimer; - m_pDelayTimer = 0; - - - KviSockaddr sa(m_szRemoteIp,m_uRemotePort,!kvi_isValidStringIp(m_szRemoteIp),m_bUdp); - - if(!sa.socketAddress()) - { - unsigned int uOldConnectionId = m_uConnectionId; - QString ipAddressError=__tr2qs("Invalid ip address "); - - ipAddressError.append(m_szRemoteIp); - - KviKvsVariantList params; - QString tmp; - KviQString::sprintf(tmp,__tr2qs("Invalid ip address (%Q)"),&m_szRemoteIp); - params.append(new KviKvsVariant(tmp)); - callFunction(this,"connectFailedEvent",¶ms); - /* callEventFunction("connectFailedEvent",0,new KviParameterList( - new KviStr(KviStr::Format,__tr("Invalid ip address (%s)"),m_szRemoteIp.ptr()))); - */ if(m_uConnectionId == uOldConnectionId)reset(); - // else it has already been called! - return; - } -debug ("Socket created"); - - // create the socket -#ifdef COMPILE_IPV6_SUPPORT - m_bIpV6 = sa.isIpV6(); - m_sock = kvi_socket_create(sa.isIpV6() ? KVI_SOCKET_PF_INET6 : KVI_SOCKET_PF_INET,m_bUdp ? KVI_SOCKET_TYPE_DGRAM : KVI_SOCKET_TYPE_STREAM,KVI_SOCKET_PROTO_TCP); -#else - m_bIpV6 = false; - m_sock = kvi_socket_create(KVI_SOCKET_PF_INET,m_bUdp ? KVI_SOCKET_TYPE_DGRAM : KVI_SOCKET_TYPE_STREAM,KVI_SOCKET_PROTO_TCP); -#endif - - if(m_sock == KVI_INVALID_SOCKET) - { - unsigned int uOldConnectionId = m_uConnectionId; - callFunction(this,"connectFailedEvent",new KviKvsVariantList( - new KviKvsVariant(__tr2qs("Failed to create the socket")))); - if(m_uConnectionId == uOldConnectionId)reset(); - // else it has already been called! - return; - } - debug ("Valid socket"); - - if(!kvi_socket_setNonBlocking(m_sock)) - { - unsigned int uOldConnectionId = m_uConnectionId; - - callFunction(this,"connectFailedEvent",new KviKvsVariantList( - new KviKvsVariant(__tr2qs("Failed to setup a nonblocking socket")))); - if(m_uConnectionId == uOldConnectionId)reset(); - // else it has already been called! - return; - } - - if(!kvi_socket_connect(m_sock,sa.socketAddress(),((int)(sa.addressLength())))) - { - int err = kvi_socket_error(); - if(!kvi_socket_recoverableConnectError(err)) - { - // Ops... - int sockError=err; - if(sockError==0) - { - // Zero error ?...let's look closer - int iSize=sizeof(int); - if(!kvi_socket_getsockopt(m_sock,SOL_SOCKET,SO_ERROR, - (void *)&sockError,&iSize))sockError=0; - } - unsigned int uOldConnectionId = m_uConnectionId; - QString callBackError=__tr2qs("Connect failure: "); - - callBackError.append((KviError::getDescription(KviError::translateSystemError(sockError)).utf8().data())); - callFunction(this,"connectFailedEvent",new KviKvsVariantList( - new KviKvsVariant(callBackError))); - -/* callEventFunction("connectFailedEvent",0,new KviParameterList( - new KviStr(KviStr::Format,__tr("Connect failure: %s"),KviError::getDescription(KviError::translateSystemError(sockError)).utf8().data()))); -*/ if(m_uConnectionId == uOldConnectionId)reset(); - // else it has already been called! - return; - } - } - debug ("Socket connected"); - m_pDelayTimer = new QTimer(); - connect(m_pDelayTimer,SIGNAL(timeout()),this,SLOT(connectTimeout())); - m_pDelayTimer->start(m_uConnectTimeout,true); - - m_pSn = new QSocketNotifier((int)m_sock,QSocketNotifier::Write); - QObject::connect(m_pSn,SIGNAL(activated(int)),this,SLOT(writeNotifierFired(int))); - m_pSn->setEnabled(true); -} - -void KviKvsObject_socket::connectTimeout() -{ - unsigned int uOldConnectionId = m_uConnectionId; - - callFunction(this,"connectFailedEvent",new KviKvsVariantList( - new KviKvsVariant(__tr2qs("Connect attempt timed out")))); - if(m_uConnectionId == uOldConnectionId)reset(); - // else it has already been called! -} - -void KviKvsObject_socket::delayedLookupRemoteIp() -{ - if(m_pDelayTimer)delete m_pDelayTimer; - m_pDelayTimer = new QTimer(); - connect(m_pDelayTimer,SIGNAL(timeout()),this,SLOT(lookupRemoteIp())); - m_pDelayTimer->start(0,true); -} - -void KviKvsObject_socket::lookupRemoteIp() -{ - debug ("Resolve dns"); - if(m_pDelayTimer)delete m_pDelayTimer; - m_pDelayTimer = 0; - if(m_pDns)delete m_pDns; - m_pDns = new KviDns(); - connect(m_pDns,SIGNAL(lookupDone(KviDns *)),this,SLOT(lookupDone(KviDns *))); - if(!m_pDns->lookup(m_szRemoteIp,KviDns::Any)) - { - unsigned int uOldConnectionId = m_uConnectionId; - - callFunction(this,"connectFailedEvent",new KviKvsVariantList( - new KviKvsVariant(__tr2qs("Can't start the DNS thread")))); - if(m_uConnectionId == uOldConnectionId)reset(); - // else it has already been called! - } -} - -void KviKvsObject_socket::lookupDone(KviDns *pDns) -{ - - if(pDns->state() != KviDns::Success) - { - unsigned int uOldConnectionId = m_uConnectionId; - - callFunction(this,"connectFailedEvent",new KviKvsVariantList( - new KviKvsVariant(KviError::getDescription(pDns->error())))); - - if(m_uConnectionId == uOldConnectionId)reset(); - // else it has already been called! - return; - } - m_szRemoteIp = pDns->firstIpAddress(); - debug ("Dns resolved in %s",m_szRemoteIp.latin1()); - - delete m_pDns; - m_pDns = 0; - doConnect(); -} - -void KviKvsObject_socket::writeNotifierFired(int) -{ - debug ("Here in the writeNotifierFired"); - if(m_pSn) - { - delete m_pSn; - m_pSn = 0; - } - if(m_pDelayTimer) - { - delete m_pDelayTimer; - m_pDelayTimer = 0; - } - - // Check for errors... - int sockError; - int iSize=sizeof(int); - if(!kvi_socket_getsockopt(m_sock,SOL_SOCKET,SO_ERROR,(void *)&sockError,&iSize))sockError = -1; - //sockError = 0; - if(sockError != 0) - { - //debug("Failed here %d",sockError); - //failed - if(sockError > 0)sockError = KviError::translateSystemError(sockError); - else sockError = KviError_unknownError; //Error 0 ? - unsigned int uOldConnectionId = m_uConnectionId; - callFunction(this,"connectFailedEvent",new KviKvsVariantList( - new KviKvsVariant(KviError::getDescription(sockError)))); - if(m_uConnectionId == uOldConnectionId)reset(); - // else it has already been called! - } else { - // Succesfully connected - // create the correct read notifier now... - m_pSn = new QSocketNotifier((int)m_sock,QSocketNotifier::Read); - QObject::connect(m_pSn,SIGNAL(activated(int)),this,SLOT(readNotifierFired(int))); - m_pSn->setEnabled(true); - -#ifdef COMPILE_IPV6_SUPPORT - KviSockaddr sareal(0,m_bIpV6,m_bUdp); -#else - KviSockaddr sareal(0,false,m_bUdp); -#endif - int size = (int)sareal.addressLength(); - if(kvi_socket_getsockname(m_sock,sareal.socketAddress(),&size)) - { - m_uLocalPort = sareal.port(); - sareal.getStringAddress(m_szLocalIp); - } - unsigned int uOldConnectionId = m_uConnectionId; - KviKvsVariantList *params=0; - callFunction(this,"connectEvent",params); - if(m_uConnectionId == uOldConnectionId) - m_iStatus = KVI_SCRIPT_SOCKET_STATUS_CONNECTED; - // else the connection has been already changed! - } -} - -void KviKvsObject_socket::readNotifierFired(int) -{ - debug ("here in the readNotifierFired"); - //read data - if((m_uInBufferLen - m_uInDataLen) < KVI_READ_CHUNK) - { - m_uInBufferLen += KVI_IN_BUFFER_ALLOC_CHUNK; - m_pInBuffer = (char *)kvi_realloc(m_pInBuffer,m_uInBufferLen); - } - - int readLength = kvi_socket_recv(m_sock,m_pInBuffer + m_uInDataLen,KVI_READ_CHUNK); - - if(readLength <= 0) - { - if(readLength==0) - { - unsigned int uOldConnectionId = m_uConnectionId; - KviKvsVariantList *params=0; - callFunction(this,"disconnectEvent",params); - if(m_uConnectionId == uOldConnectionId)reset(); - // else it has already been called! - return; - } else { - //check for transmission errors - int err = kvi_socket_error(); -#ifdef COMPILE_ON_WINDOWS - if((err != EAGAIN) && (err != EINTR) && (err != WSAEWOULDBLOCK)) -#else - if((err != EAGAIN) && (err != EINTR)) -#endif - { - unsigned int uOldConnectionId = m_uConnectionId; - if(err > 0) - - { - // QString error=KviError::translateSystemError(err); - callFunction(this,"disconnectEvent",new KviKvsVariantList( - new KviKvsVariant((kvs_int_t)KviError::translateSystemError(err)))); - } else { - callFunction(this,"disconnectEvent",new KviKvsVariantList( - new KviKvsVariant(KviError::getDescription(KviError_remoteEndClosedConnection)))); - - } - if(m_uConnectionId == uOldConnectionId)reset(); - // else it has already been called! - return; - } //else transient error...wait again... - } - return; // can do nothing - } - // readLength > 0 - m_uInDataLen += readLength; - - //KviStr * s = new KviStr(); - QString s; - s.setNum(m_uInDataLen); - - - unsigned int uOldConnectionId = m_uConnectionId; - callFunction(this,"dataAvailableEvent",new KviKvsVariantList(new KviKvsVariant(s))); - if(m_uConnectionId == uOldConnectionId) - { - if(m_uInDataLen > (4096 * 1024)) // too much data in buffer (not reading) - { - callFunction(this,"disconnectEvent",new KviKvsVariantList( - new KviKvsVariant(__tr2qs("Too much unprocessed incoming data (you've left this socket unmanaged ?)")))); - reset(); - } - } -} - -void KviKvsObject_socket::eatInData(unsigned int uLen) -{ - if(uLen > m_uInDataLen)uLen = m_uInDataLen; - - m_uInDataLen -= uLen; - - if(m_uInDataLen > 0) - { - kvi_memmove(m_pInBuffer,m_pInBuffer + uLen,m_uInDataLen); - } - - unsigned int uSpace = m_uInBufferLen - m_uInDataLen; - - if(uSpace > KVI_IN_BUFFER_ALLOC_CHUNK) - { - m_uInBufferLen -= KVI_IN_BUFFER_ALLOC_CHUNK; - m_pInBuffer = (char *)kvi_realloc(m_pInBuffer,m_uInBufferLen); - } -} - -void KviKvsObject_socket::delayedFlush(unsigned int uTimeout) -{ - if(m_pFlushTimer->isActive())m_pFlushTimer->stop(); - m_pFlushTimer->start(uTimeout); -} - -void KviKvsObject_socket::tryFlush() -{ - if(m_pFlushTimer->isActive())m_pFlushTimer->stop(); - - if(m_pOutBuffer->size() == 0) - { - return; - } - - int result = kvi_socket_send(m_sock,m_pOutBuffer->data(),m_pOutBuffer->size()); - - if(result >= 0) - { - if(result == m_pOutBuffer->size()) - { - m_pOutBuffer->clear(); - } else { - if(result > 0)m_pOutBuffer->remove(result); - delayedFlush(500); - } - } else { - // Oops...error ? - int err = kvi_socket_error(); -#ifdef COMPILE_ON_WINDOWS - if((err == EAGAIN) || (err == EINTR) || (err = WSAEWOULDBLOCK)) -#else - if((err == EAGAIN)||(err == EINTR)) -#endif - { - // Transient error...partial send as before... - // Async continue... - delayedFlush(500); - return; - } else { - // Disconnected... :( - unsigned int uOldConnectionId = m_uConnectionId; - callFunction(this,"disconnectEvent",0,new KviKvsVariantList( - new KviKvsVariant(KviError::getDescription(KviError::translateSystemError(err))))); - if(m_uConnectionId == uOldConnectionId)reset(); - // else it has already been called! - return; - } - } -} -void KviKvsObject_socket::reset() -{ - m_uConnectionId++; // this is the only place where this is incremented! - if(m_pDelayTimer) - { - delete m_pDelayTimer; - m_pDelayTimer = 0; - } - if(m_pDns) - { - delete m_pDns; - m_pDns = 0; - } - if(m_pSn) - { - delete m_pSn; - m_pSn = 0; - } - if(m_sock != KVI_INVALID_SOCKET) - { - kvi_socket_close(m_sock); - m_sock = KVI_INVALID_SOCKET; - } - if(m_pInBuffer) - { - kvi_free(m_pInBuffer); - m_pInBuffer = 0; - } - if(m_secondarySock) - { - kvi_socket_close(m_secondarySock); - m_secondarySock = KVI_INVALID_SOCKET; - } - m_uSecondaryPort = 0; - m_szSecondaryIp=""; - delete m_pOutBuffer; - if(m_pFlushTimer->isActive())m_pFlushTimer->stop(); - m_pOutBuffer = new KviDataBuffer(); - m_uInBufferLen = 0; - m_uInDataLen = 0; - m_iStatus = KVI_SCRIPT_SOCKET_STATUS_DISCONNECTED; - m_uRemotePort = 0; - m_szRemoteIp=""; - m_uLocalPort = 0; - m_szLocalIp=""; - m_bIpV6 = false; -} -unsigned int KviKvsObject_socket::readGetLength(KviKvsObjectFunctionCall *c) -{ - kvs_uint_t uLen; - KVSO_PARAMETERS_BEGIN(c) - KVSO_PARAMETER("length",KVS_PT_UNSIGNEDINTEGER,KVS_PF_OPTIONAL,uLen) - KVSO_PARAMETERS_END(c) - if (uLen>m_uInDataLen || !uLen) return m_uInDataLen; - else return uLen; - } - -bool KviKvsObject_socket::functionRead(KviKvsObjectFunctionCall *c) -{ - unsigned int uLen = readGetLength(c); - - if(uLen > 0) - { - // convert NULLS to char 255 - for(unsigned int i = 0;i < uLen;i++) - { - if(!m_pInBuffer[i])m_pInBuffer[i] = (char)(255); - } - QString tmpBuffer = QString::fromUtf8(m_pInBuffer,uLen); - c->returnValue()->setString(tmpBuffer); - - eatInData(uLen); - } - return true; -} - -bool KviKvsObject_socket::functionReadHex(KviKvsObjectFunctionCall *c) -{ - //??? funzioner� - unsigned int uLen = readGetLength(c); - bool bOk; - if(uLen > 0) - { - QString szTmp; - szTmp =m_pInBuffer; - szTmp.toInt(&bOk,16); - c->returnValue()->setString(szTmp); - eatInData(uLen); - } - return true; -} - -bool KviKvsObject_socket::functionWrite(KviKvsObjectFunctionCall *c) -{ - QString szData; - KVSO_PARAMETERS_BEGIN(c) - KVSO_PARAMETER("szData",KVS_PT_STRING,0,szData) - KVSO_PARAMETERS_END(c) - -KviQCString szData8 = szData.utf8(); - if(szData8.length() > 0) - { - m_pOutBuffer->append((const unsigned char*)szData8.data(),szData8.length()); - delayedFlush(0); - } - return true; -} - - - -//-------------- - -#include "m_class_socket.moc" +// +// File : class_socket.cpp +// Creation date : Sun Nov 11 03:13:45 2001 GMT by Szymon Stefanek +// +// This file is part of the KVirc irc client distribution +// Copyright (C) 2001 Szymon Stefanek (pragma at kvirc dot net) +// +// This program is FREE software. You can redistribute it and/or +// modify it under the terms of the GNU General Public License +// as published by the Free Software Foundation; either version 2 +// of the License, or (at your opinion) any later version. +// +// This program 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 General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, write to the Free Software Foundation, +// Inc. ,59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// + +#include "kvi_settings.h" +#include "kvi_qstring.h" + +#define _KVI_DEBUG_CHECK_RANGE_ +#include "kvi_debug.h" + + +#include "kvi_locale.h" +#include "kvi_error.h" +#include "kvi_netutils.h" +#include "kvi_dns.h" +#include "kvi_error.h" +#include "kvi_socket.h" +#include "kvi_malloc.h" +#include "kvi_memmove.h" +#include "kvi_databuffer.h" +#include "kvi_qcstring.h" + +#include "class_socket.h" + +//#include + +#define KVI_IN_BUFFER_ALLOC_CHUNK 4096 +#define KVI_READ_CHUNK 1024 +/* +static KviScriptObjectClass * g_pSocketClass = 0; + +static KviScriptObject * socketClassCreateInstance(KviScriptObjectClass * cls,KviScriptObject *par,const char * nam) +{ + return new KviScriptSocketObject(cls,par,nam); +} + +KviScriptSocketObject::KviScriptSocketObject(KviScriptObjectClass * cla,KviScriptObject * par,const char * nam) +: KviScriptObject(cla,par,nam) +{ + m_uConnectionId = 0; + m_sock = KVI_INVALID_SOCKET; + m_iStatus = KVI_SCRIPT_SOCKET_STATUS_DISCONNECTED; + m_uRemotePort = 0; + m_uSecondaryPort = 0; + m_pSn = 0; + m_pDns = 0; + m_pDelayTimer = 0; + m_uConnectTimeout = 60000; + m_pInBuffer = 0; + m_uInBufferLen = 0; + m_uInDataLen = 0; + m_pOutBuffer = new KviDataBuffer(); + m_pFlushTimer = new QTimer(); + m_bIpV6 = false; + m_uLocalPort = 0; + m_secondarySock = KVI_INVALID_SOCKET; + connect(m_pFlushTimer,SIGNAL(timeout()),this,SLOT(tryFlush())); +} + +KviScriptSocketObject::~KviScriptSocketObject() +{ + delete m_pOutBuffer; + delete m_pFlushTimer; + + if(m_pInBuffer)kvi_free(m_pInBuffer); + if(m_pDelayTimer)delete m_pDelayTimer; + if(m_pDns)delete m_pDns; + if(m_pSn)delete m_pSn; + if(m_sock != KVI_INVALID_SOCKET)kvi_socket_close(m_sock); + if(m_secondarySock != KVI_INVALID_SOCKET)kvi_socket_close(m_secondarySock); +} + +void KviScriptSocketObject::reset() +{ + m_uConnectionId++; // this is the only place where this is incremented! + if(m_pDelayTimer) + { + delete m_pDelayTimer; + m_pDelayTimer = 0; + } + if(m_pDns) + { + delete m_pDns; + m_pDns = 0; + } + if(m_pSn) + { + delete m_pSn; + m_pSn = 0; + } + if(m_sock != KVI_INVALID_SOCKET) + { + kvi_socket_close(m_sock); + m_sock = KVI_INVALID_SOCKET; + } + if(m_pInBuffer) + { + kvi_free(m_pInBuffer); + m_pInBuffer = 0; + } + if(m_secondarySock) + { + kvi_socket_close(m_secondarySock); + m_secondarySock = KVI_INVALID_SOCKET; + } + m_uSecondaryPort = 0; + m_szSecondaryIp.clear(); + delete m_pOutBuffer; + if(m_pFlushTimer->isActive())m_pFlushTimer->stop(); + m_pOutBuffer = new KviDataBuffer(); + m_uInBufferLen = 0; + m_uInDataLen = 0; + m_iStatus = KVI_SCRIPT_SOCKET_STATUS_DISCONNECTED; + m_uRemotePort = 0; + m_szRemoteIp.clear(); + m_uLocalPort = 0; + m_szLocalIp.clear(); + m_bIpV6 = false; +} + +/* + @doc: socket + @keyterms: + socket object class + @title: + socket class + @type: + class + @short: + A Ipv4/Ipv6 TCP socket + @inherits: + [class]object[/class] + @description: + This class provides a standard TCP/IP socket functionality.[br] + It can be used either for connecting to a remote host or to listening for incoming connections.[br] + If the KVIrc executable has been compiled with the IPV6 protocol support , this socket also supports it.[br] + @functions: + !fn: $status() + Returns the status of the socket :[br] + 4=connected[br] + 3=listening[br] + 2=connecting[br] + 1=in dns call[br] + 0=disconnected + + !fn: $connectTimeout() + Returns the value of the connect attempt timeout in milliseconds.[br] + This is the timeout after that a connection attempt will be considered as failed if the remote + host is not responding. You can set it with [classfnc:socket]$setConnectTimeout[/classfnc](). + + !fn: $setConnectTimeout() + Sets the connect timeout for this socket. must be a positive value in milliseconds.[br] + The default timeout is 60000. + + !fn: $connect(,) + Attempts a connection to on port .[br] + can be a numeric internet address (either Ipv4 or Ipv6 (if supported)) or a hostname.[br] + If a hostname is used, a DNS lookup is performed (the socket enters the "dns call" state).[br] + This function returns 1 if the connect attempt can be succesfully initiated, + 0 otherwise.[br] In fact , this function returns 0 only if the supplied parameter + is invalid or the socket is in an incoherent state (already connected or listening): + for a newly created socket and with a valid number you can safely ignore + the return value.[br] + Please note that the connection is asynchronous: when this function returns + the socket is NOT connected: it has just initiated the connect attempt + and you will be notified of the attempt result by an asynchronous event call: + in case of failure , $connectFailedEvent() will be called , in case of + succes , $connectEvent() will be called. + + !fn: $listen([[,[,]]]) + Attempts to listen on the specified and .[br] + If is not passed it is assumed to be 0 , if is not passed , it is assumed to be + "any interface" (INADDR_ANY).[br] Port 0 means that the kernel should choose a "random" port to listen on.[br] + If the is recognized as IPV6 address , and IPV6 is supported , the socket listens + in IPV6 mode. If is an empty string and is 1 the socket listens + on "any ipv6 interface".[br] + This function returns '1' in case of success and '0' in case of failure.[br] + On some systems listening in the IPV6 namespace allows to accept also IPV4 connections (this includes + linux but not windows afaik).[br] + When an incoming connection will arrive , $incomingConnectionEvent() will be called. + + !fn: $accept() + This function can be called only from inside $incomingConnectionEvent().[br] + must be a newly created socket sub-class instance object.[br] + The passed object will be set up to handle the incoming connection and this object + will remain in listening state (unless you explicitly close it).[br] + This function returns '1' in case of success and '0' in case of failure. + + !fn: $connectEvent() + This function is called when a connection attempt has been succesfully completed. + The socket is actually connected to [classfnc:socket]$remoteIp[/classfnc]() on + [classfnc:socket]$remotePort[/classfnc](). You can start + writing data and you may expect [classfnc:socket]$dataAvailableEvent[/classfnc]() to be + triggered. + + !fn: $incomingConnectionEvent() + This function is called when an incoming connection arrives over a socket in listening state.[br] + You must call [classfnc:socket]$accept[/classfnc]() passing a newly created socket object + to accept and handle the connection.[br] If you don't call [classfnc:socket]$accept[/classfnc]() + the incoming connection will be automatically terminated. + + !fn: $connectFailedEvent() + This function is called when a connection attempt fails for some reason. contains + the error string.[br] + This function may be called only between a call to [classfnc:socket]$connect[/classfnc]() and + the [classfnc:socket]$connectEvent[/classfnc](). + + !fn: $disconnectEvent([error]) + This function is called when a connection is terminated either cleanly or because of an error.[br] + [error] is an empty string in case of a "clean" termination (connection closed by the remote host) + or is a message describing the socket error that caused the connection to be interrupted. + + !fn: $dataAvailableEvent() + This function is called when some data is available to be read: the parameter specifies + the length of the available data in bytes.[br] + You can use one of the $read* functions to obtain the data. + + !fn: $read() + Reads at most bytes of data from the socket. If is anything "outside" the + available data range ( < 0 or > available_data_length), this function + returns all the available data.[br] + Please note that this function can't deal withi binary data: NULL characters are transformed to + ASCII characters 255. + + !fn: $readHex() + Reads at most bytes of data from the socket. If is anything "outside" the + available data range ( < 0 or > available_data_length), this function + returns all the available data.[br] + Returns the data encoded as hexadecimal digit string: this function can deal with binary data too. + + !fn: $write() + Writes to the socket.[br] + This function can't deal with binary data (you can't send a NULL character)[br] + Please note that when this function finishes it does not mean that the data has reached the remote end.[br] + Basically it does not even mean that the data has been sent to the remote host.[br] + The data is enqueued for sending and will be sent as soon as possible.[br] + If you're going to [cmd]delete[/cmd] this object just after the $write call, you should + call [classfnc:socket]$close[/classfnc]() just before [cmd]delete[/cmd] to ensure the data delivery. + + !fn: $writeHex() + Writes to the socket.[br] + is expected to be a hexadecimal rappresentation of the bytes to be sent (two HEX characters + for each byte). This means that the length of string must be a multiple of 2.[br] + Returns the length of the actually decoded and sent data in bytes or -1 in case of error (the string + was not a valid hexadecimla rappresentation).[br] + Please note that when this function finishes it does not mean that the data has reached the remote end.[br] + Basically it does not even mean that the data has been sent to the remote host.[br] + The data is enqueued for sending and will be sent as soon as possible.[br] + If you're going to [cmd]delete[/cmd] this object just after the $writeHex call, you should + call [classfnc:socket]$close[/classfnc]() just before [cmd]delete[/cmd] to ensure the data delivery. + + !fn: $close() + Resets this socket state: kills any pending or active connection. After a close() call + the socket may be used for a new connection.[br] + If there is an active connection, there is a last attempt to flush the pending outgoing data.[br] + You don't need to call $close() if you [cmd]delete[/cmd] the socket: KVIrc will + reset the socket state automatically and free the memory. But if you want to ensure data delivery + after a $write call sequece and just before a [cmd]delete[/cmd], $close() is the only chance to do it. + + !fn: $remoteIp() + Returns the IP address of the remote end of this socket.[br] + The return value is meaningful only if the socket is in connected or connecting state. + + !fn: $setProtocol() + Let KVIrc use TCP jr UDP protocol + + !fn: $remotePort() + Returns the port of the remote end of this socket.[br] + The return value is meaningful only if the socket is in connected or connecting state. + + !fn: $localIp() + Returns the IP address of the local end of this socket.[br] + The return value is meaningful only if the socket is in connected , listening or connecting state. + + !fn: $localPort() + Returns the port of the local end of this socket.[br] + The return value is meaningful only if the socket is in connected , listening or connecting state. + +@examples: + [example] + #Server socket: listen 80 port and answer to requests (multi-threaded)[br] +[br] + class (webserver,socket) {[br] + constructor () {[br] + $$->$listen(80, "127.0.0.1")[br] + }[br] + incomingConnectionEvent()[br] + {[br] + %tmp = $new(socket)[br] + $$->$accept(%tmp)[br] + echo "Webserver incoming Conection from: %tmp->$remoteIp : %tmp->$remotePort"[br] + %tmp->$write("HTTP/1.1 200 OK\n\n

KVIrc Webserver

\n")[br] + %tmp->$close()[br] + delete %tmp[br] + }[br] + }[br] + [br] + #finally start webserver[br] + %WebS = $new(webserver)[br] + [br] + [/example] + [example] + #Client socket - go to google and grab request header[br] + class (httprequest,socket) {[br] + constructor () [br] + {[br] + # connect to the server[br] + $$->$connect("www.google.de",80)[br] + }[br] + destructor()[br] + {[br] + # if the socket is still open close it[br] + if($$->$status() == 4) $$->$close()[br] + }[br] + connectFailedEvent() [br] + {[br] + # the connection to the server failed[br] + echo "Connection failed: "$0[br] + delete $$[br] + }[br] + connectEvent() [br] + {[br] + # connection is complete[br] + # send a request to receive the headers only from http://www.google.de/[br] + $$->$write("HEAD / HTTP/1.1\r\nHost: www.google.de\r\nConnction: Close\r\nUser-Agent: KVIrc socket\r\n\r\n");[br] + }[br] + dataAvailableEvent() [br] + {[br] + # reading the received data[br] + %newdata = $$->$read($0)[br] + echo %newdata[br] + #close and delete the socket[br] + $$->$close()[br] + delete $$[br] + }[br] + disconnectEvent() [br] + {[br] + # connection has been closed[br] + echo "Connection closed"[br] + delete $$[br] + }[br] +}[br] + +#Creating the socket[br] +%Temp = $new(httprequest)[br] + [/example] +*/ + +KVSO_BEGIN_REGISTERCLASS(KviKvsObject_socket,"socket","object") + + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"status",functionStatus) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"remotePort",functionRemotePort) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"remoteIp",functionRemoteIp) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"localIp",functionLocalIp) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"localPort",functionLocalPort) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"connect",functionConnect) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"connectTimeout",functionConnectTimeout) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"setConnectTimeout",functionSetConnectTimeout) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"close",functionClose) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"read",functionRead) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"readHex",functionReadHex) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"write",functionWrite) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"writeHex",functionWriteHex) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"setProtocol",functionSetProtocol) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"listen",functionListen) + KVSO_REGISTER_HANDLER(KviKvsObject_socket,"accept",functionAccept) + + KVSO_REGISTER_STANDARD_NOTHINGRETURN_HANDLER(KviKvsObject_socket,"connectEvent") + KVSO_REGISTER_STANDARD_NOTHINGRETURN_HANDLER(KviKvsObject_socket,"connectFailedEvent") + KVSO_REGISTER_STANDARD_NOTHINGRETURN_HANDLER(KviKvsObject_socket,"disconnectEvent") + KVSO_REGISTER_STANDARD_NOTHINGRETURN_HANDLER(KviKvsObject_socket,"dataAvailableEvent") + KVSO_REGISTER_STANDARD_NOTHINGRETURN_HANDLER(KviKvsObject_socket,"incomingConnectionEvent") + +KVSO_END_REGISTERCLASS(KviKvsObject_socket) + + +KVSO_BEGIN_CONSTRUCTOR(KviKvsObject_socket,KviKvsObject) + + + m_bUdp = false; + m_uConnectionId = 0; + m_sock = KVI_INVALID_SOCKET; + m_iStatus = KVI_SCRIPT_SOCKET_STATUS_DISCONNECTED; + m_uRemotePort = 0; + m_uSecondaryPort = 0; + m_pSn = 0; + m_pDns = 0; + m_pDelayTimer = 0; + m_uConnectTimeout = 60000; + m_pInBuffer = 0; + m_uInBufferLen = 0; + m_uInDataLen = 0; + m_pOutBuffer = new KviDataBuffer(); + m_pFlushTimer = new QTimer(); + m_bIpV6 = false; + m_uLocalPort = 0; + m_secondarySock = KVI_INVALID_SOCKET; + connect(m_pFlushTimer,SIGNAL(timeout()),this,SLOT(tryFlush())); +KVSO_END_CONSTRUCTOR(KviKvsObject_socket) + +KVSO_BEGIN_DESTRUCTOR(KviKvsObject_socket) + delete m_pOutBuffer; + delete m_pFlushTimer; + + if(m_pInBuffer)kvi_free(m_pInBuffer); + if(m_pDelayTimer)delete m_pDelayTimer; + if(m_pDns)delete m_pDns; + if(m_pSn)delete m_pSn; + if(m_sock != KVI_INVALID_SOCKET)kvi_socket_close(m_sock); + if(m_secondarySock != KVI_INVALID_SOCKET)kvi_socket_close(m_secondarySock); +KVSO_END_DESTRUCTOR(KviKvsObject_socket) +//---------------------- + + +bool KviKvsObject_socket::functionStatus(KviKvsObjectFunctionCall *c) +{ + c->returnValue()->setInteger(m_iStatus); + return true; +} + +bool KviKvsObject_socket::functionClose(KviKvsObjectFunctionCall *c) +{ + if((m_pOutBuffer->size() != 0) && (m_iStatus == KVI_SCRIPT_SOCKET_STATUS_CONNECTED)) + tryFlush(); + + reset(); + return true; +} + +bool KviKvsObject_socket::functionConnectTimeout(KviKvsObjectFunctionCall *c) +{ + c->returnValue()->setInteger(m_uConnectTimeout); + return true; +} + +bool KviKvsObject_socket::functionSetConnectTimeout(KviKvsObjectFunctionCall *c) +{ + kvs_uint_t uTimeout; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("time_out",KVS_PT_UNSIGNEDINTEGER,0,uTimeout) + KVSO_PARAMETERS_END(c) + m_uConnectTimeout = uTimeout; + return true; +} + +bool KviKvsObject_socket::functionRemotePort(KviKvsObjectFunctionCall *c) +{ + c->returnValue()->setInteger(m_uRemotePort); + return true; +} + +bool KviKvsObject_socket::functionRemoteIp(KviKvsObjectFunctionCall *c) +{ + c->returnValue()->setString(m_szRemoteIp); + return true; +} + +bool KviKvsObject_socket::functionLocalPort(KviKvsObjectFunctionCall *c) +{ + c->returnValue()->setInteger(m_uLocalPort); + return true; +} + +bool KviKvsObject_socket::functionLocalIp(KviKvsObjectFunctionCall *c) +{ + c->returnValue()->setString(m_szLocalIp); + return true; +} + +bool KviKvsObject_socket::functionAccept(KviKvsObjectFunctionCall *c) +{ + KviKvsObject * pObject; + kvs_hobject_t hObject; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("object_socket",KVS_PT_HOBJECT,0,hObject) + KVSO_PARAMETERS_END(c) + + pObject = KviKvsKernel::instance()->objectController()->lookupObject(hObject); + + if(!pObject) + { + c->warning(__tr2qs("No socket object specified")); + return true; + } + + if(!pObject->inherits("KviKvsObject_socket")) + { + c->warning(__tr2qs("Invalid socket object specified (it doesn't inherit from socket)")); + return true; + } + + if(m_secondarySock != KVI_INVALID_SOCKET) + { + ((KviKvsObject_socket *)pObject)->acceptConnection(m_secondarySock,m_uSecondaryPort,m_szSecondaryIp); + + m_secondarySock = KVI_INVALID_SOCKET; + m_uSecondaryPort = 0; + m_szSecondaryIp=""; + } else { + c->warning(__tr2qs("There is no connection to accept!")); + } + return true; +} + + +bool KviKvsObject_socket::functionSetProtocol(KviKvsObjectFunctionCall *c) +{ + QString m_szHex; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("hex_string",KVS_PT_STRING,0,m_szHex) + KVSO_PARAMETERS_END(c) + + m_bUdp=KviQString::equalCI(m_szHex,"udp"); + return false; +} + +bool KviKvsObject_socket::functionWriteHex(KviKvsObjectFunctionCall *c) +{ + QString m_szHex; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("hex_string",KVS_PT_STRING,0,m_szHex) + KVSO_PARAMETERS_END(c) + + if(m_szHex.length() > 0) + { + bool bOk; + QString szTmp; + szTmp=m_szHex.setNum(m_szHex.toInt(&bOk,16),16); + if(szTmp.length()>0) + { + KviQCString szData8 = szTmp.utf8(); + m_pOutBuffer->append((const unsigned char *)(szData8.data()),szData8.length()); + delayedFlush(0); + c->returnValue()->setInteger(szData8.length()); + } + } + + /* + if(pszData) + { + if(pszData->len() > 0) + { + char * ptr; + len = pszData->hexToBuffer(&ptr); + if(len > 0) + { + m_pOutBuffer->append((const unsigned char *)(ptr),len); + delayedFlush(0); + KviStr::freeBuffer(ptr); + } + } + } + buffer.append(KviStr::Format,"%d",len); +*/ + return true; +} + + + + + +bool KviKvsObject_socket::functionConnect(KviKvsObjectFunctionCall *c) +{ + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("remote_ip",KVS_PT_STRING,0,m_szRemoteIp) + KVSO_PARAMETER("remote_port",KVS_PT_UNSIGNEDINTEGER,0,m_uRemotePort) + KVSO_PARAMETERS_END(c) + debug ("Function connect"); + + + if (m_uRemotePort>65535) + { + c->warning(__tr2qs("Value %d for port is out of range (values allowed are from 0 to 65535"),m_uRemotePort); + return true; + } + if((m_sock != KVI_INVALID_SOCKET) || (m_iStatus != KVI_SCRIPT_SOCKET_STATUS_DISCONNECTED)) + { + c->warning(__tr2qs("Another connection in progress")); + c->returnValue()->setBoolean(true); + return true; + } + + +#ifdef COMPILE_IPV6_SUPPORT + if(kvi_isValidStringIp(m_szRemoteIp) || kvi_isValidStringIp_V6(m_szRemoteIp)) +#else + if(kvi_isValidStringIp(m_szRemoteIp)) +#endif + { + debug ("ok connecting"); + debug ("connectinhg on ip %s ",m_szRemoteIp.latin1()); + debug ("non so ip"); + m_iStatus = KVI_SCRIPT_SOCKET_STATUS_CONNECTING; + delayedConnect(); + } else { + debug ("connectinhg on ip %s port %d",m_szRemoteIp.latin1(),m_uRemotePort); + m_iStatus = KVI_SCRIPT_SOCKET_STATUS_DNS; + delayedLookupRemoteIp(); + } + c->returnValue()->setBoolean(true); + return true; +} + + + + + + +bool KviKvsObject_socket::functionListen(KviKvsObjectFunctionCall *c) +{ + if((m_sock != KVI_INVALID_SOCKET) || (m_iStatus != KVI_SCRIPT_SOCKET_STATUS_DISCONNECTED)) + { + c->warning(__tr2qs("Another connection in progress")); + c->returnValue()->setBoolean(false); + return true; + } + kvs_uint_t uLocalPort; + QString m_szLocalIp; + bool m_bIpV6; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("local_port",KVS_PT_UNSIGNEDINTEGER,0,uLocalPort) + KVSO_PARAMETER("local_ip",KVS_PT_STRING,KVS_PF_OPTIONAL,m_szLocalIp) + KVSO_PARAMETER("bool_ipV6",KVS_PT_BOOLEAN,KVS_PF_OPTIONAL,m_bIpV6) + KVSO_PARAMETERS_END(c) + m_uLocalPort=uLocalPort; + +#ifndef COMPILE_IPV6_SUPPORT + if(m_bIpV6) + { + c->warning(__tr2qs("No IPV6 support in this executable")); + c->returnValue()->setBoolean(false); + reset(); + return true; + } +#endif + + bool bGotIp = false; + + if(!m_szLocalIp.isEmpty()) + { + + // Check the address type + if(kvi_isValidStringIp(m_szLocalIp))bGotIp = true; + else { +#ifdef COMPILE_IPV6_SUPPORT + if(kvi_isValidStringIp_V6(m_szLocalIp)) + { + bGotIp = true; + m_bIpV6 = true; + } else { +#else + c->warning(__tr2qs("Invalid IP address specified ('%Q')"),&m_szLocalIp); + c->returnValue()->setBoolean(false); + reset(); + return true; +#endif +#ifdef COMPILE_IPV6_SUPPORT + } +#endif + } + } + + +#ifdef COMPILE_IPV6_SUPPORT + m_sock = kvi_socket_create(m_bIpV6 ? KVI_SOCKET_PF_INET6 : KVI_SOCKET_PF_INET, + m_bUdp ? KVI_SOCKET_TYPE_DGRAM : KVI_SOCKET_TYPE_STREAM,KVI_SOCKET_PROTO_TCP); +#else + m_sock = kvi_socket_create(KVI_SOCKET_PF_INET,m_bUdp ? KVI_SOCKET_TYPE_DGRAM : KVI_SOCKET_TYPE_STREAM,KVI_SOCKET_PROTO_TCP); +#endif + + if(m_sock == KVI_INVALID_SOCKET) + { + c->warning(__tr2qs("Socket creation failed")); + c->returnValue()->setBoolean(false); + reset(); + return true; + } + + if(!m_szLocalIp.isEmpty()) + { +#ifdef COMPILE_IPV6_SUPPORT + KviSockaddr sa(m_szLocalIp,m_uLocalPort,m_bIpV6,m_bUdp); +#else + KviSockaddr sa(m_szLocalIp,m_uLocalPort,false,m_bUdp); +#endif + if(!sa.socketAddress()) + { + c->warning(__tr2qs("Invalid socket address")); + reset(); + c->returnValue()->setBoolean(false); + return true; + } + + if(!kvi_socket_bind(m_sock,sa.socketAddress(),((int)(sa.addressLength())))) + { + c->warning(__tr2qs("Bind failure")); + reset(); + c->returnValue()->setBoolean(false); + return true; + } + } else { +#ifdef COMPILE_IPV6_SUPPORT + KviSockaddr sa(m_uLocalPort,m_bIpV6,m_bUdp); +#else + KviSockaddr sa(m_uLocalPort,false,m_bUdp); +#endif + if(!sa.socketAddress()) + { + c->warning(__tr2qs("Invalid socket address")); + reset(); + c->returnValue()->setBoolean(false); + return true; + } + + if(!kvi_socket_bind(m_sock,sa.socketAddress(),((int)(sa.addressLength())))) + { + c->warning(__tr2qs("Bind failure")); + reset(); + c->returnValue()->setBoolean(false); + return true; + } + } + + + if(!kvi_socket_listen(m_sock,5)) + { + c->warning(__tr2qs("Listen failure")); + reset(); + c->returnValue()->setBoolean(false); + return true; + } + + + // Reread the port in case we're binding to a random one (0) + +#ifdef COMPILE_IPV6_SUPPORT + KviSockaddr sareal(0,m_bIpV6,m_bUdp); +#else + KviSockaddr sareal(0,false,m_bUdp); +#endif + + int size = (int)sareal.addressLength(); + + if(kvi_socket_getsockname(m_sock,sareal.socketAddress(),&size)) + { + m_uLocalPort = sareal.port(); + sareal.getStringAddress(m_szLocalIp); + } + + // and setup the READ notifier... + m_pSn = new QSocketNotifier(m_sock,QSocketNotifier::Read); + QObject::connect(m_pSn,SIGNAL(activated(int)),this,SLOT(incomingConnection(int))); + m_pSn->setEnabled(true); + + m_iStatus = KVI_SCRIPT_SOCKET_STATUS_LISTENING; + + c->returnValue()->setBoolean(true); + return true; +} + +void KviKvsObject_socket::incomingConnection(int) +{ +#ifdef COMPILE_IPV6_SUPPORT + struct sockaddr_in6 hostSockAddr6; +#endif + struct sockaddr_in hostSockAddr; + + int size = sizeof(hostSockAddr); + struct sockaddr * addr = (struct sockaddr *)&hostSockAddr; + +#ifdef COMPILE_IPV6_SUPPORT + if(m_bIpV6) + { + addr = (struct sockaddr *)&hostSockAddr6; + size = sizeof(hostSockAddr6); + } +#endif + + // Incoming connection + m_secondarySock = kvi_socket_accept(m_sock,addr,&size); + if(m_secondarySock != KVI_INVALID_SOCKET) + { + // Connected +#ifdef COMPILE_IPV6_SUPPORT + if(m_bIpV6) + { + m_uSecondaryPort = ntohs(((struct sockaddr_in6 *)addr)->sin6_port); + if(!kvi_binaryIpToStringIp_V6(((struct sockaddr_in6 *)addr)->sin6_addr,m_szSecondaryIp)) + m_szSecondaryIp = __tr("unknown"); + } else { +#endif + m_uSecondaryPort = ntohs(((struct sockaddr_in *)addr)->sin_port); + if(!kvi_binaryIpToStringIp(((struct sockaddr_in *)addr)->sin_addr,m_szSecondaryIp)) + m_szSecondaryIp = __tr("unknown"); +#ifdef COMPILE_IPV6_SUPPORT + } +#endif + KviKvsVariantList *params=0; + callFunction(this,"incomingConnectionEvent",params); + if(m_secondarySock != KVI_INVALID_SOCKET) + { + kvi_socket_close(m_secondarySock); + m_secondarySock = KVI_INVALID_SOCKET; + m_uSecondaryPort = 0; + m_szSecondaryIp=""; + } + + } // else..huh ?... wait for the next notifier call +} + +void KviKvsObject_socket::acceptConnection(kvi_socket_t s,kvi_u32_t uPort,const char * szIp) +{ + reset(); + m_sock = s; + m_uRemotePort = uPort; + m_szRemoteIp = szIp; +#ifdef COMPILE_IPV6_SUPPORT + KviSockaddr sareal(0,m_bIpV6,m_bUdp); +#else + KviSockaddr sareal(0,false,m_bUdp); +#endif + + int size = (int)sareal.addressLength(); + + if(kvi_socket_getsockname(m_sock,sareal.socketAddress(),&size)) + { + m_uLocalPort = sareal.port(); + sareal.getStringAddress(m_szLocalIp); + } + + m_iStatus = KVI_SCRIPT_SOCKET_STATUS_CONNECTED; + + m_pSn = new QSocketNotifier((int)m_sock,QSocketNotifier::Read); + QObject::connect(m_pSn,SIGNAL(activated(int)),this,SLOT(readNotifierFired(int))); + m_pSn->setEnabled(true); +} + +void KviKvsObject_socket::delayedConnect() +{ + if(m_pDelayTimer)delete m_pDelayTimer; + m_pDelayTimer = new QTimer(); + connect(m_pDelayTimer,SIGNAL(timeout()),this,SLOT(doConnect())); + m_pDelayTimer->start(0,true); +} + +void KviKvsObject_socket::doConnect() +{ + debug ("doConnect function"); + if(m_pDelayTimer)delete m_pDelayTimer; + m_pDelayTimer = 0; + + + KviSockaddr sa(m_szRemoteIp,m_uRemotePort,!kvi_isValidStringIp(m_szRemoteIp),m_bUdp); + + if(!sa.socketAddress()) + { + unsigned int uOldConnectionId = m_uConnectionId; + QString ipAddressError=__tr2qs("Invalid ip address "); + + ipAddressError.append(m_szRemoteIp); + + KviKvsVariantList params; + QString tmp; + KviQString::sprintf(tmp,__tr2qs("Invalid ip address (%Q)"),&m_szRemoteIp); + params.append(new KviKvsVariant(tmp)); + callFunction(this,"connectFailedEvent",¶ms); + /* callEventFunction("connectFailedEvent",0,new KviParameterList( + new KviStr(KviStr::Format,__tr("Invalid ip address (%s)"),m_szRemoteIp.ptr()))); + */ if(m_uConnectionId == uOldConnectionId)reset(); + // else it has already been called! + return; + } +debug ("Socket created"); + + // create the socket +#ifdef COMPILE_IPV6_SUPPORT + m_bIpV6 = sa.isIpV6(); + m_sock = kvi_socket_create(sa.isIpV6() ? KVI_SOCKET_PF_INET6 : KVI_SOCKET_PF_INET,m_bUdp ? KVI_SOCKET_TYPE_DGRAM : KVI_SOCKET_TYPE_STREAM,KVI_SOCKET_PROTO_TCP); +#else + m_bIpV6 = false; + m_sock = kvi_socket_create(KVI_SOCKET_PF_INET,m_bUdp ? KVI_SOCKET_TYPE_DGRAM : KVI_SOCKET_TYPE_STREAM,KVI_SOCKET_PROTO_TCP); +#endif + + if(m_sock == KVI_INVALID_SOCKET) + { + unsigned int uOldConnectionId = m_uConnectionId; + callFunction(this,"connectFailedEvent",new KviKvsVariantList( + new KviKvsVariant(__tr2qs("Failed to create the socket")))); + if(m_uConnectionId == uOldConnectionId)reset(); + // else it has already been called! + return; + } + debug ("Valid socket"); + + if(!kvi_socket_setNonBlocking(m_sock)) + { + unsigned int uOldConnectionId = m_uConnectionId; + + callFunction(this,"connectFailedEvent",new KviKvsVariantList( + new KviKvsVariant(__tr2qs("Failed to setup a nonblocking socket")))); + if(m_uConnectionId == uOldConnectionId)reset(); + // else it has already been called! + return; + } + + if(!kvi_socket_connect(m_sock,sa.socketAddress(),((int)(sa.addressLength())))) + { + int err = kvi_socket_error(); + if(!kvi_socket_recoverableConnectError(err)) + { + // Ops... + int sockError=err; + if(sockError==0) + { + // Zero error ?...let's look closer + int iSize=sizeof(int); + if(!kvi_socket_getsockopt(m_sock,SOL_SOCKET,SO_ERROR, + (void *)&sockError,&iSize))sockError=0; + } + unsigned int uOldConnectionId = m_uConnectionId; + QString callBackError=__tr2qs("Connect failure: "); + + callBackError.append((KviError::getDescription(KviError::translateSystemError(sockError)).utf8().data())); + callFunction(this,"connectFailedEvent",new KviKvsVariantList( + new KviKvsVariant(callBackError))); + +/* callEventFunction("connectFailedEvent",0,new KviParameterList( + new KviStr(KviStr::Format,__tr("Connect failure: %s"),KviError::getDescription(KviError::translateSystemError(sockError)).utf8().data()))); +*/ if(m_uConnectionId == uOldConnectionId)reset(); + // else it has already been called! + return; + } + } + debug ("Socket connected"); + m_pDelayTimer = new QTimer(); + connect(m_pDelayTimer,SIGNAL(timeout()),this,SLOT(connectTimeout())); + m_pDelayTimer->start(m_uConnectTimeout,true); + + m_pSn = new QSocketNotifier((int)m_sock,QSocketNotifier::Write); + QObject::connect(m_pSn,SIGNAL(activated(int)),this,SLOT(writeNotifierFired(int))); + m_pSn->setEnabled(true); +} + +void KviKvsObject_socket::connectTimeout() +{ + unsigned int uOldConnectionId = m_uConnectionId; + + callFunction(this,"connectFailedEvent",new KviKvsVariantList( + new KviKvsVariant(__tr2qs("Connect attempt timed out")))); + if(m_uConnectionId == uOldConnectionId)reset(); + // else it has already been called! +} + +void KviKvsObject_socket::delayedLookupRemoteIp() +{ + if(m_pDelayTimer)delete m_pDelayTimer; + m_pDelayTimer = new QTimer(); + connect(m_pDelayTimer,SIGNAL(timeout()),this,SLOT(lookupRemoteIp())); + m_pDelayTimer->start(0,true); +} + +void KviKvsObject_socket::lookupRemoteIp() +{ + debug ("Resolve dns"); + if(m_pDelayTimer)delete m_pDelayTimer; + m_pDelayTimer = 0; + if(m_pDns)delete m_pDns; + m_pDns = new KviDns(); + connect(m_pDns,SIGNAL(lookupDone(KviDns *)),this,SLOT(lookupDone(KviDns *))); + if(!m_pDns->lookup(m_szRemoteIp,KviDns::Any)) + { + unsigned int uOldConnectionId = m_uConnectionId; + + callFunction(this,"connectFailedEvent",new KviKvsVariantList( + new KviKvsVariant(__tr2qs("Can't start the DNS thread")))); + if(m_uConnectionId == uOldConnectionId)reset(); + // else it has already been called! + } +} + +void KviKvsObject_socket::lookupDone(KviDns *pDns) +{ + + if(pDns->state() != KviDns::Success) + { + unsigned int uOldConnectionId = m_uConnectionId; + + callFunction(this,"connectFailedEvent",new KviKvsVariantList( + new KviKvsVariant(KviError::getDescription(pDns->error())))); + + if(m_uConnectionId == uOldConnectionId)reset(); + // else it has already been called! + return; + } + m_szRemoteIp = pDns->firstIpAddress(); + debug ("Dns resolved in %s",m_szRemoteIp.latin1()); + + delete m_pDns; + m_pDns = 0; + doConnect(); +} + +void KviKvsObject_socket::writeNotifierFired(int) +{ + debug ("Here in the writeNotifierFired"); + if(m_pSn) + { + delete m_pSn; + m_pSn = 0; + } + if(m_pDelayTimer) + { + delete m_pDelayTimer; + m_pDelayTimer = 0; + } + + // Check for errors... + int sockError; + int iSize=sizeof(int); + if(!kvi_socket_getsockopt(m_sock,SOL_SOCKET,SO_ERROR,(void *)&sockError,&iSize))sockError = -1; + //sockError = 0; + if(sockError != 0) + { + //debug("Failed here %d",sockError); + //failed + if(sockError > 0)sockError = KviError::translateSystemError(sockError); + else sockError = KviError_unknownError; //Error 0 ? + unsigned int uOldConnectionId = m_uConnectionId; + callFunction(this,"connectFailedEvent",new KviKvsVariantList( + new KviKvsVariant(KviError::getDescription(sockError)))); + if(m_uConnectionId == uOldConnectionId)reset(); + // else it has already been called! + } else { + // Succesfully connected + // create the correct read notifier now... + m_pSn = new QSocketNotifier((int)m_sock,QSocketNotifier::Read); + QObject::connect(m_pSn,SIGNAL(activated(int)),this,SLOT(readNotifierFired(int))); + m_pSn->setEnabled(true); + +#ifdef COMPILE_IPV6_SUPPORT + KviSockaddr sareal(0,m_bIpV6,m_bUdp); +#else + KviSockaddr sareal(0,false,m_bUdp); +#endif + int size = (int)sareal.addressLength(); + if(kvi_socket_getsockname(m_sock,sareal.socketAddress(),&size)) + { + m_uLocalPort = sareal.port(); + sareal.getStringAddress(m_szLocalIp); + } + unsigned int uOldConnectionId = m_uConnectionId; + KviKvsVariantList *params=0; + callFunction(this,"connectEvent",params); + if(m_uConnectionId == uOldConnectionId) + m_iStatus = KVI_SCRIPT_SOCKET_STATUS_CONNECTED; + // else the connection has been already changed! + } +} + +void KviKvsObject_socket::readNotifierFired(int) +{ + debug ("here in the readNotifierFired"); + //read data + if((m_uInBufferLen - m_uInDataLen) < KVI_READ_CHUNK) + { + m_uInBufferLen += KVI_IN_BUFFER_ALLOC_CHUNK; + m_pInBuffer = (char *)kvi_realloc(m_pInBuffer,m_uInBufferLen); + } + + int readLength = kvi_socket_recv(m_sock,m_pInBuffer + m_uInDataLen,KVI_READ_CHUNK); + + if(readLength <= 0) + { + if(readLength==0) + { + unsigned int uOldConnectionId = m_uConnectionId; + KviKvsVariantList *params=0; + callFunction(this,"disconnectEvent",params); + if(m_uConnectionId == uOldConnectionId)reset(); + // else it has already been called! + return; + } else { + //check for transmission errors + int err = kvi_socket_error(); +#ifdef COMPILE_ON_WINDOWS + if((err != EAGAIN) && (err != EINTR) && (err != WSAEWOULDBLOCK)) +#else + if((err != EAGAIN) && (err != EINTR)) +#endif + { + unsigned int uOldConnectionId = m_uConnectionId; + if(err > 0) + + { + // QString error=KviError::translateSystemError(err); + callFunction(this,"disconnectEvent",new KviKvsVariantList( + new KviKvsVariant((kvs_int_t)KviError::translateSystemError(err)))); + } else { + callFunction(this,"disconnectEvent",new KviKvsVariantList( + new KviKvsVariant(KviError::getDescription(KviError_remoteEndClosedConnection)))); + + } + if(m_uConnectionId == uOldConnectionId)reset(); + // else it has already been called! + return; + } //else transient error...wait again... + } + return; // can do nothing + } + // readLength > 0 + m_uInDataLen += readLength; + + //KviStr * s = new KviStr(); + QString s; + s.setNum(m_uInDataLen); + + + unsigned int uOldConnectionId = m_uConnectionId; + callFunction(this,"dataAvailableEvent",new KviKvsVariantList(new KviKvsVariant(s))); + if(m_uConnectionId == uOldConnectionId) + { + if(m_uInDataLen > (4096 * 1024)) // too much data in buffer (not reading) + { + callFunction(this,"disconnectEvent",new KviKvsVariantList( + new KviKvsVariant(__tr2qs("Too much unprocessed incoming data (you've left this socket unmanaged ?)")))); + reset(); + } + } +} + +void KviKvsObject_socket::eatInData(unsigned int uLen) +{ + if(uLen > m_uInDataLen)uLen = m_uInDataLen; + + m_uInDataLen -= uLen; + + if(m_uInDataLen > 0) + { + kvi_memmove(m_pInBuffer,m_pInBuffer + uLen,m_uInDataLen); + } + + unsigned int uSpace = m_uInBufferLen - m_uInDataLen; + + if(uSpace > KVI_IN_BUFFER_ALLOC_CHUNK) + { + m_uInBufferLen -= KVI_IN_BUFFER_ALLOC_CHUNK; + m_pInBuffer = (char *)kvi_realloc(m_pInBuffer,m_uInBufferLen); + } +} + +void KviKvsObject_socket::delayedFlush(unsigned int uTimeout) +{ + if(m_pFlushTimer->isActive())m_pFlushTimer->stop(); + m_pFlushTimer->start(uTimeout); +} + +void KviKvsObject_socket::tryFlush() +{ + if(m_pFlushTimer->isActive())m_pFlushTimer->stop(); + + if(m_pOutBuffer->size() == 0) + { + return; + } + + int result = kvi_socket_send(m_sock,m_pOutBuffer->data(),m_pOutBuffer->size()); + + if(result >= 0) + { + if(result == m_pOutBuffer->size()) + { + m_pOutBuffer->clear(); + } else { + if(result > 0)m_pOutBuffer->remove(result); + delayedFlush(500); + } + } else { + // Oops...error ? + int err = kvi_socket_error(); +#ifdef COMPILE_ON_WINDOWS + if((err == EAGAIN) || (err == EINTR) || (err = WSAEWOULDBLOCK)) +#else + if((err == EAGAIN)||(err == EINTR)) +#endif + { + // Transient error...partial send as before... + // Async continue... + delayedFlush(500); + return; + } else { + // Disconnected... :( + unsigned int uOldConnectionId = m_uConnectionId; + callFunction(this,"disconnectEvent",0,new KviKvsVariantList( + new KviKvsVariant(KviError::getDescription(KviError::translateSystemError(err))))); + if(m_uConnectionId == uOldConnectionId)reset(); + // else it has already been called! + return; + } + } +} +void KviKvsObject_socket::reset() +{ + m_uConnectionId++; // this is the only place where this is incremented! + if(m_pDelayTimer) + { + delete m_pDelayTimer; + m_pDelayTimer = 0; + } + if(m_pDns) + { + delete m_pDns; + m_pDns = 0; + } + if(m_pSn) + { + delete m_pSn; + m_pSn = 0; + } + if(m_sock != KVI_INVALID_SOCKET) + { + kvi_socket_close(m_sock); + m_sock = KVI_INVALID_SOCKET; + } + if(m_pInBuffer) + { + kvi_free(m_pInBuffer); + m_pInBuffer = 0; + } + if(m_secondarySock) + { + kvi_socket_close(m_secondarySock); + m_secondarySock = KVI_INVALID_SOCKET; + } + m_uSecondaryPort = 0; + m_szSecondaryIp=""; + delete m_pOutBuffer; + if(m_pFlushTimer->isActive())m_pFlushTimer->stop(); + m_pOutBuffer = new KviDataBuffer(); + m_uInBufferLen = 0; + m_uInDataLen = 0; + m_iStatus = KVI_SCRIPT_SOCKET_STATUS_DISCONNECTED; + m_uRemotePort = 0; + m_szRemoteIp=""; + m_uLocalPort = 0; + m_szLocalIp=""; + m_bIpV6 = false; +} +unsigned int KviKvsObject_socket::readGetLength(KviKvsObjectFunctionCall *c) +{ + kvs_uint_t uLen; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("length",KVS_PT_UNSIGNEDINTEGER,KVS_PF_OPTIONAL,uLen) + KVSO_PARAMETERS_END(c) + if (uLen>m_uInDataLen || !uLen) return m_uInDataLen; + else return uLen; + } + +bool KviKvsObject_socket::functionRead(KviKvsObjectFunctionCall *c) +{ + unsigned int uLen = readGetLength(c); + + if(uLen > 0) + { + // convert NULLS to char 255 + for(unsigned int i = 0;i < uLen;i++) + { + if(!m_pInBuffer[i])m_pInBuffer[i] = (char)(255); + } + QString tmpBuffer = QString::fromUtf8(m_pInBuffer,uLen); + c->returnValue()->setString(tmpBuffer); + + eatInData(uLen); + } + return true; +} + +bool KviKvsObject_socket::functionReadHex(KviKvsObjectFunctionCall *c) +{ + //??? funzioner� + unsigned int uLen = readGetLength(c); + bool bOk; + if(uLen > 0) + { + QString szTmp; + szTmp =m_pInBuffer; + szTmp.toInt(&bOk,16); + c->returnValue()->setString(szTmp); + eatInData(uLen); + } + return true; +} + +bool KviKvsObject_socket::functionWrite(KviKvsObjectFunctionCall *c) +{ + QString szData; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("szData",KVS_PT_STRING,0,szData) + KVSO_PARAMETERS_END(c) + +KviQCString szData8 = szData.utf8(); + if(szData8.length() > 0) + { + m_pOutBuffer->append((const unsigned char*)szData8.data(),szData8.length()); + delayedFlush(0); + } + return true; +} + + + +//-------------- + +#include "m_class_socket.moc" -- cgit v1.3.1-10-gc9f91