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cmUdpPort.h/c:Added cmUdpAddrToString().

master
kevin 11 years ago
parent
commit
6074e052f0
2 changed files with 20 additions and 0 deletions
  1. 17
    0
      cmUdpPort.c
  2. 3
    0
      cmUdpPort.h

+ 17
- 0
cmUdpPort.c View File

@@ -42,6 +42,7 @@ typedef struct
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   unsigned        recvCnt;
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   unsigned        queCbCnt;
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   unsigned        errCnt;
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+  cmChar_t        ntopBuf[ INET_ADDRSTRLEN+1 ]; // use INET6_ADDRSTRLEN for IPv6
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 } cmUdp_t;
46 47
 
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 cmUdpH_t cmUdpNullHandle = cmSTATIC_NULL_HANDLE;
@@ -545,3 +546,19 @@ cmUdpRC_t cmUdpInitAddr( cmUdpH_t h, const char* addrStr, cmUdpPort_t portNumber
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   cmUdp_t* p = _cmUdpHandleToPtr(h);
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   return _cmUdpInitAddr(p,addrStr,portNumber,retAddrPtr);
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 }
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+
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+const cmChar_t* cmUdpAddrToString( cmUdpH_t h, const struct sockaddr_in* addr )
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+{
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+  cmUdp_t* p = _cmUdpHandleToPtr(h);
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+
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+  _cmUdpClear_errno();
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+  
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+  if( inet_ntop(AF_INET, addr,  p->ntopBuf, INET_ADDRSTRLEN) == NULL)
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+  {
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+    cmErrSysMsg(&p->err,kNtoPFailUdpRC,errno, "Network address to string conversion failed." );
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+    return NULL;
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+  }
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+  
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+  p->ntopBuf[INET_ADDRSTRLEN]=0;
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+  return p->ntopBuf;
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+}

+ 3
- 0
cmUdpPort.h View File

@@ -19,6 +19,7 @@ extern "C" {
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     kSockRecvFailUdpRC,
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     kSockSelectFailUdpRC,
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     kPtoNFailUdpRC,
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+    kNtoPFailUdpRC,
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     kNotConnectedUdpRC,
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     kThreadFailUdpRC,
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     kQueueFailUdpRC,
@@ -115,6 +116,8 @@ extern "C" {
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   // Prepare a struct sockadddr_in for use with cmUdpSendTo()
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   cmUdpRC_t cmUdpInitAddr( cmUdpH_t h, const char* addrStr, cmUdpPort_t portNumber, struct sockaddr_in* retAddrPtr );
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+  const cmChar_t*  cmUdpAddrToString( cmUdpH_t h, const struct sockaddr_in* addr );
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+
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 #ifdef __cplusplus
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 }
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 #endif

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