diff options
| author | Sebastian Stumpf <sebastian.stumpf87@googlemail.com> | 2017-02-27 15:13:26 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2017-07-12 23:26:26 +0200 |
| commit | 241fe9c3e24e44ca5fb9882ad49e98325b312a62 (patch) | |
| tree | 4f7fc44098c217408c2a0c99d876c8533dd4380d /src/host/virt_phy/src/shared/osmo_mcast_sock.c | |
| parent | 360de6bead3b1eaa897a55b8d8436c5613b7d100 (diff) | |
VIRT-PHY: Fixed error causing send msgs to be received on same sock.
This could be disabled setting socket option IP_MULTICAST_ALL = 0.
Change-Id: Ia2838c4cd39bfac04c014b4c8512466b301d8875
Diffstat (limited to 'src/host/virt_phy/src/shared/osmo_mcast_sock.c')
| -rw-r--r-- | src/host/virt_phy/src/shared/osmo_mcast_sock.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/host/virt_phy/src/shared/osmo_mcast_sock.c b/src/host/virt_phy/src/shared/osmo_mcast_sock.c index acc6bcb1..ff81063a 100644 --- a/src/host/virt_phy/src/shared/osmo_mcast_sock.c +++ b/src/host/virt_phy/src/shared/osmo_mcast_sock.c @@ -52,7 +52,7 @@ struct mcast_client_sock *mcast_client_sock_setup( struct mcast_client_sock); struct sockaddr_in *rx_sock_conf = talloc_zero(NULL, struct sockaddr_in); - int rc, reuseaddr = 1, loopback = 1; + int rc, reuseaddr = 1, loopback = 1, all = 0; client_sock->osmo_fd = talloc_zero(ctx, struct osmo_fd); client_sock->mcast_group = talloc_zero(ctx, struct ip_mreq); @@ -107,6 +107,14 @@ struct mcast_client_sock *mcast_client_sock_setup( return NULL; } + // this option will set the delivery option so that only packages are received + // from sockets we are bound to via IP_ADD_MEMBERSHIP + if (setsockopt(client_sock->osmo_fd->fd, IPPROTO_IP, + IP_MULTICAST_ALL, &all, sizeof(all)) < 0) { + perror("Failed to modify delivery policy to explicitly joined.\n"); + return NULL; + } + // configure and register the osmocom filedescriptor client_sock->osmo_fd->cb = fd_rx_cb; client_sock->osmo_fd->when = BSC_FD_READ; |