WNCEndpoint.cpp

00001 /* =====================================================================
00002    Copyright © 2016, Avnet (R)
00003 
00004    Contributors:
00005      * James M Flynn, www.em.avnet.com 
00006  
00007    Licensed under the Apache License, Version 2.0 (the "License"); 
00008    you may not use this file except in compliance with the License.
00009    You may obtain a copy of the License at
00010 
00011     http://www.apache.org/licenses/LICENSE-2.0
00012 
00013    Unless required by applicable law or agreed to in writing, 
00014    software distributed under the License is distributed on an 
00015    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
00016    either express or implied. See the License for the specific 
00017    language governing permissions and limitations under the License.
00018 
00019     @file          WNCInterface.cpp
00020     @version       1.0
00021     @date          Sept 2016
00022 
00023 ======================================================================== */
00024 
00025 #include "../WNCInterface.h"
00026 #include "WNCSocket.h"
00027 #include "WNCEndpoint.h"
00028 
00029 WNCEndpoint::WNCEndpoint()  {
00030     reset_address();
00031 }
00032 
00033 WNCEndpoint::~WNCEndpoint() {}
00034 
00035 void WNCEndpoint::reset_address(void) {
00036     std::memset(&_epAddr, 0, sizeof(struct EndPointAddr));
00037 }
00038 
00039 //
00040 // It is possible to call set_address with either a URL or
00041 // an IP address.  So try each in-turn and set the end point
00042 // address.
00043 //
00044 
00045 int WNCEndpoint::set_address(const char* host, const int port) {
00046      // IP Address
00047     char address[5];
00048     int rslt;
00049 
00050    CHK_WNCFE(( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG ), fail);
00051 
00052    reset_address();
00053     _epAddr.port = port;  //go ahead and save the port 
00054     
00055     // Dot-decimal notation?
00056     rslt = std::sscanf(host, "%3u.%3u.%3u.%3u",
00057             (unsigned int*)&address[0], (unsigned int*)&address[1],
00058             (unsigned int*)&address[2], (unsigned int*)&address[3]);
00059 
00060     M_LOCK;
00061     if (rslt != 4)    // No, need to resolve address with DNS
00062         WNCInterface::_pwnc->resolveUrl(0,host);
00063     else
00064         WNCInterface::_pwnc->setIpAddr(0,host);
00065     
00066     rslt = WNCInterface::_pwnc->getIpAddr(0,_epAddr.IP);
00067     M_ULOCK;
00068     return rslt;
00069 }
00070 
00071 char* WNCEndpoint::get_address() {
00072     return _epAddr.IP;
00073 }
00074 
00075 int   WNCEndpoint::get_port() {
00076     return _epAddr.port;
00077 }
00078 
00079