viewing paste ping.patch | Diff

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# Script by goddameit (http://rathena.org/board/files/file/2770-ping-ip-address/)
 
Index: src/map/ping.c
===================================================================
--- src/map/ping.c      (revision 0)
+++ src/map/ping.c      (working copy)
@@ -0,0 +1,89 @@
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+#include <WINSOCK2.H>
+#define DEF_BUF_SIZE 1024  
+#define IP_HEADER_SIZE 20  
+#define ICMP_HEADER_SIZE 12    
+typedef struct _ICMP_HEADER  
+{     
+       BYTE bType;
+       BYTE bCode;
+       USHORT nCheckSum;
+       USHORT nId;
+       USHORT nSequence;
+       UINT nTimeStamp;
+}ICMP_HEADER, *PICMP_HEADER;    
+USHORT GetCheckSum(LPBYTE lpBuff, DWORD dwSize)
+{
+       DWORD dwCheckSum = 0;
+       USHORT* lpWord = (USHORT*)lpBuff;  
+       while(dwSize > 1)      
+       {              
+               dwCheckSum += *lpWord++;
+               dwSize -= 2;
+       }      
+       if(dwSize ==1)         
+               dwCheckSum += *((LPBYTE)lpBuff);
+       dwCheckSum = (dwCheckSum >> 16) + (dwCheckSum & 0XFFFF);
+       return (USHORT)(~dwCheckSum);  
+}    
+BOOL Ping(char* lpDestIP, int *nRet_, int *nTime_)
+{
+       int nTime = 0;
+       int ret = 0;
+       char ICMPPack[ICMP_HEADER_SIZE] = {0};
+       char szRcvBuff[DEF_BUF_SIZE] = {0};
+       int i = 0;
+       int nRet = 0;
+       int nLen = 0;
+       int nError = 0;
+       SOCKET s;
+       PICMP_HEADER pRcvHeader;
+       SOCKADDR_IN SourceSockAddr;
+       SOCKADDR_IN DestSockAddr;
+       PICMP_HEADER pICMPHeader;
+       DestSockAddr.sin_family = AF_INET;
+       DestSockAddr.sin_addr.S_un.S_addr = inet_addr(lpDestIP);
+       DestSockAddr.sin_port = htons(0);
+       pICMPHeader = (PICMP_HEADER)ICMPPack;  
+       pICMPHeader->bType = 8;
+       pICMPHeader->bCode = 0;
+       pICMPHeader->nId = (USHORT)GetCurrentProcessId();
+       pICMPHeader->nCheckSum = 0;
+       pICMPHeader->nTimeStamp = 0;
+       s = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
+       nTime = 1000;
+       ret = setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, (char*)&nTime, sizeof(nTime));
+       for(i=0; i <1; i++)    
+       {              
+               pICMPHeader->nCheckSum = 0;
+               pICMPHeader->nSequence = i;
+               pICMPHeader->nTimeStamp = GetTickCount();
+               pICMPHeader->nCheckSum = GetCheckSum((LPBYTE)(ICMPPack), ICMP_HEADER_SIZE);
+               nRet = sendto(s, ICMPPack, ICMP_HEADER_SIZE, 0, (SOCKADDR*)&DestSockAddr, sizeof(DestSockAddr));
+               if(nRet == SOCKET_ERROR)
+               {
+                       return FALSE;
+               }              
+               nLen = sizeof(SOCKADDR_IN);
+               if(nRet == SOCKET_ERROR)
+               {
+                       return FALSE;
+               }
+               nRet = recvfrom(s, szRcvBuff,DEF_BUF_SIZE,0,(SOCKADDR*)&SourceSockAddr,&nLen);
+               if(nRet == SOCKET_ERROR)
+               {
+                       return FALSE;
+               }
+               pRcvHeader = (PICMP_HEADER)(szRcvBuff + IP_HEADER_SIZE);
+               nTime = GetTickCount() - pRcvHeader->nTimeStamp;
+               //printf("Return Message: %s bytes=%d time=%dms\n", inet_ntoa(SourceSockAddr.sin_addr), nRet, nTime);
+               *nRet_ = nRet;
+               *nTime_ = nTime;
+       }
+       return TRUE;
+}
\ No newline at end of file
Index: src/map/script.c
===================================================================
--- src/map/script.c    (revision 17101)
+++ src/map/script.c    (working copy)
@@ -17323,6 +17323,25 @@
        return 0;
 }
 
+#include "ping.c"
+BUILDIN_FUNC(ping) {
+       //
+       const char *name;
+       char _cmd[500];
+       int nRet=0, nTime=0;
+       //
+       //
+       name = script_getstr(st,2);
+       Ping((char *)name, &nRet, &nTime);
+       if( nRet <= 0 || nTime < 0 )
+               sprintf(_cmd,"Return Message: %s fail to connect", (char *)name);
+       else
+               sprintf(_cmd,"Return Message: %s bytes=%d time=%dms\n", (char *)name, nRet, nTime);
+       //
+       script_pushstrcopy(st, _cmd);
+       return 0;
+}
+
 // declarations that were supposed to be exported from npc_chat.c
 #ifdef PCRE_SUPPORT
 BUILDIN_FUNC(defpattern);
@@ -17334,6 +17353,7 @@
 /// script command definitions
 /// for an explanation on args, see add_buildin_func
 struct script_function buildin_func[] = {
+       BUILDIN_DEF(ping,"s"),
        // NPC interaction
        BUILDIN_DEF(mes,"s*"),
        BUILDIN_DEF(next,""),
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