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emulation on host: lwIP always receive multicast packets, enable and fix multicast udp server (#7386)

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david gauchard 2020-06-16 23:03:22 +02:00 committed by GitHub
parent 64f1f7b727
commit 448486a4c9
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 3 deletions
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13
tests/host/common/UdpContextSocket.cpp
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@ -77,7 +77,8 @@ bool mockUDPListen (int sock, uint32_t dstaddr, uint16_t port, uint32_t mcast)
// Filling server information
servaddr.sin_family = AF_INET;
(void) dstaddr;
servaddr.sin_addr.s_addr = htonl(global_source_address);
//servaddr.sin_addr.s_addr = htonl(global_source_address);
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
servaddr.sin_port = htons(mockport);
// Bind the socket with the server address
@ -89,6 +90,8 @@ bool mockUDPListen (int sock, uint32_t dstaddr, uint16_t port, uint32_t mcast)
else
mockverbose("UDP server on port %d (sock=%d)\n", mockport, sock);
if (!mcast)
mcast = inet_addr("224.0.0.1"); // all hosts group
if (mcast)
{
// https://web.cs.wpi.edu/~claypool/courses/4514-B99/samples/multicast.c
@ -96,8 +99,10 @@ bool mockUDPListen (int sock, uint32_t dstaddr, uint16_t port, uint32_t mcast)
struct ip_mreq mreq;
mreq.imr_multiaddr.s_addr = mcast;
mreq.imr_interface.s_addr = htonl(global_source_address);
if (global_ipv4_netfmt)
//mreq.imr_interface.s_addr = htonl(global_source_address);
mreq.imr_interface.s_addr = htonl(INADDR_ANY);
if (host_interface)
{
#if __APPLE__
int idx = if_nametoindex(host_interface);
@ -115,6 +120,8 @@ bool mockUDPListen (int sock, uint32_t dstaddr, uint16_t port, uint32_t mcast)
fprintf(stderr, MOCK "can't join multicast group addr %08x\n", (int)mcast);
return false;
}
else
mockverbose("joined multicast group addr %08lx\n", ntohl(mcast));
}
return true;