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esp32-nmea2000-obp60
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bind mc udp receiver to mc address

This commit is contained in:
andreas 2024-11-11 20:07:22 +01:00
parent 4bded7bbb4
commit b4eaad4dbf
1 changed files with 18 additions and 12 deletions
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30
lib/socketserver/GwUdpReader.cpp
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@ -49,13 +49,7 @@ void GwUdpReader::createAndBind(){
return;
}
struct ip_mreq mc;
String mcAddr=config->getString(GwConfigDefinitions::udprMC);
if (inet_pton(AF_INET,mcAddr.c_str(),&mc.imr_multiaddr) != 1){
LOG_ERROR("UDPR: invalid multicast addr %s",mcAddr.c_str());
::close(fd);
fd=-1;
return;
}
mc.imr_multiaddr=listenA.sin_addr;
if (type == T_MCALL || type == T_MCAP){
mc.imr_interface=apAddr;
int res=setsockopt(fd,IPPROTO_IP,IP_ADD_MEMBERSHIP,&mc,sizeof(mc));
@ -63,7 +57,7 @@ void GwUdpReader::createAndBind(){
LOG_ERROR("UDPR: unable to add MC membership for AP:%d",errno);
}
else{
LOG_INFO("UDPR: membership for %s for AP",mcAddr.c_str());
LOG_INFO("UDPR: membership for for AP");
}
}
if (!currentStationIp.isEmpty() && (type == T_MCALL || type == T_MCSTA))
@ -75,7 +69,7 @@ void GwUdpReader::createAndBind(){
LOG_ERROR("UDPR: unable to add MC membership for STA:%d", errno);
}
else{
LOG_INFO("UDPR: membership for %s for STA %s",mcAddr.c_str(),currentStationIp.c_str());
LOG_INFO("UDPR: membership for STA %s",currentStationIp.c_str());
}
}
}
@ -88,15 +82,27 @@ void GwUdpReader::begin()
port=config->getInt(GwConfigDefinitions::udprPort);
listenA.sin_family=AF_INET;
listenA.sin_port=htons(port);
if (type != T_STA){
listenA.sin_addr.s_addr=htonl(INADDR_ANY);
}
listenA.sin_addr.s_addr=htonl(INADDR_ANY); //default
String ap=WiFi.softAPIP().toString();
if (inet_pton(AF_INET, ap.c_str(), &apAddr) != 1)
{
LOG_ERROR("UDPR: invalid ap ip address %s", ap.c_str());
return;
}
if (type == T_MCALL || type == T_MCAP || type == T_MCSTA){
String mcAddr=config->getString(GwConfigDefinitions::udprMC);
if (inet_pton(AF_INET, mcAddr.c_str(), &listenA.sin_addr) != 1)
{
LOG_ERROR("UDPR: invalid mc address %s", mcAddr.c_str());
close(fd);
fd = -1;
return;
}
LOG_INFO("UDPR: using multicast address %s",mcAddr.c_str());
}
if (type == T_AP){
listenA.sin_addr=apAddr;
}
String sta;
if (WiFi.isConnected()) sta=WiFi.localIP().toString();
setStationAdd(sta);