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Additions to UdpContext needed for LEAmDNS2 (#7048)

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* Addition to UdpContext needed for LEAmDNS2
This commit is contained in:
LaborEtArs 2020-02-24 14:56:00 +01:00 committed by GitHub
parent 2d58be744b
commit 4b2bf45933
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 33 additions and 5 deletions
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38
libraries/ESP8266WiFi/src/include/UdpContext.h
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@ -167,6 +167,26 @@ public:
#endif // !LWIP_IPV6
/*
* Add a netif (by its index) as the multicast interface
*/
void setMulticastInterface(netif* p_pNetIf)
{
#if LWIP_VERSION_MAJOR == 1
udp_set_multicast_netif_addr(_pcb, (p_pNetIf ? p_pNetIf->ip_addr : ip_addr_any));
#else
udp_set_multicast_netif_index(_pcb, (p_pNetIf ? netif_get_index(p_pNetIf) : NETIF_NO_INDEX));
#endif
}
/*
* Allow access to pcb to change eg. options
*/
udp_pcb* pcb(void)
{
return _pcb;
}
void setMulticastTTL(int ttl)
{
#ifdef LWIP_MAYBE_XCC
@ -205,6 +225,11 @@ public:
return (pos <= _rx_buf->tot_len);
}
netif* getInputNetif() const
{
return _currentAddr.input_netif;
}
CONST IPAddress& getRemoteAddress() CONST
{
return _currentAddr.srcaddr;
@ -269,7 +294,6 @@ public:
// ref'ing it to prevent release from the below pbuf_free(deleteme)
pbuf_ref(_rx_buf);
}
// remove the already-consumed head of the chain
pbuf_free(deleteme);
_rx_buf_offset = 0;
@ -464,11 +488,12 @@ private:
return;
}
}
#if LWIP_VERSION_MAJOR == 1
#define TEMPDSTADDR (&current_iphdr_dest)
#define TEMPINPUTNETIF (current_netif)
#else
#define TEMPDSTADDR (ip_current_dest_addr())
#define TEMPINPUTNETIF (ip_current_input_netif())
#endif
// chain this helper pbuf first
@ -496,7 +521,7 @@ private:
return;
}
// construct in place
new(PBUF_ALIGNER(pb_helper->payload)) AddrHelper(srcaddr, TEMPDSTADDR, srcport);
new(PBUF_ALIGNER(pb_helper->payload)) AddrHelper(srcaddr, TEMPDSTADDR, srcport, TEMPINPUTNETIF);
pb_helper->flags = PBUF_HELPER_FLAG; // mark helper pbuf
// chain it
pbuf_cat(_rx_buf, pb_helper);
@ -510,6 +535,7 @@ private:
_currentAddr.srcaddr = srcaddr;
_currentAddr.dstaddr = TEMPDSTADDR;
_currentAddr.srcport = srcport;
_currentAddr.input_netif = TEMPINPUTNETIF;
DEBUGV(":urn %d\r\n", pb->tot_len);
_first_buf_taken = false;
@ -522,6 +548,7 @@ private:
}
#undef TEMPDSTADDR
#undef TEMPINPUTNETIF
}
@ -633,10 +660,11 @@ private:
{
IPAddress srcaddr, dstaddr;
int16_t srcport;
netif* input_netif;
AddrHelper() { }
AddrHelper(const ip_addr_t* src, const ip_addr_t* dst, uint16_t srcport):
srcaddr(src), dstaddr(dst), srcport(srcport) { }
AddrHelper(const ip_addr_t* src, const ip_addr_t* dst, uint16_t srcport, netif* input_netif):
srcaddr(src), dstaddr(dst), srcport(srcport), input_netif(input_netif) { }
};
AddrHelper _currentAddr;