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| author | cbdev <cb@cbcdn.com> | 2020-04-23 23:38:36 +0200 |
|---|---|---|
| committer | cbdev <cb@cbcdn.com> | 2020-04-23 23:38:36 +0200 |
| commit | a8be76f20b3eaa20b53e1cda7686845a08cef32b (patch) | |
| tree | ba2b3680d9d01730ef2cd4e07f58b6c3f052417e /backends/libmmbackend.c | |
| parent | bc275e10defe27e6d288ccf9125fe9b915168240 (diff) | |
| download | midimonster-a8be76f20b3eaa20b53e1cda7686845a08cef32b.tar.gz midimonster-a8be76f20b3eaa20b53e1cda7686845a08cef32b.tar.bz2 midimonster-a8be76f20b3eaa20b53e1cda7686845a08cef32b.zip | |
Split mDNS socket into v4/v6
Diffstat (limited to 'backends/libmmbackend.c')
| -rw-r--r-- | backends/libmmbackend.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/backends/libmmbackend.c b/backends/libmmbackend.c index 92adc3c..186cc66 100644 --- a/backends/libmmbackend.c +++ b/backends/libmmbackend.c @@ -138,7 +138,7 @@ int mmbackend_parse_sockaddr(char* host, char* port, struct sockaddr_storage* ad return 0; } -int mmbackend_socket(char* host, char* port, int socktype, uint8_t listener, uint8_t mcast){ +int mmbackend_socket(char* host, char* port, int socktype, uint8_t listener, uint8_t mcast, uint8_t dualstack){ int fd = -1, status, yes = 1; struct addrinfo hints = { .ai_family = AF_UNSPEC, @@ -162,18 +162,23 @@ int mmbackend_socket(char* host, char* port, int socktype, uint8_t listener, uin //set required socket options yes = 1; - if(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0){ + if(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*) &yes, sizeof(yes)) < 0){ LOGPF("Failed to enable SO_REUSEADDR on socket: %s", mmbackend_socket_strerror(errno)); } + yes = dualstack ? 0 : 1; + if(setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (void*) &yes, sizeof(yes)) < 0){ + LOGPF("Failed to %s dualstack operations on socket: %s", dualstack ? "enable" : "disable", mmbackend_socket_strerror(errno)); + } + if(mcast){ yes = 1; - if(setsockopt(fd, SOL_SOCKET, SO_BROADCAST, (void*)&yes, sizeof(yes)) < 0){ + if(setsockopt(fd, SOL_SOCKET, SO_BROADCAST, (void*) &yes, sizeof(yes)) < 0){ LOGPF("Failed to enable SO_BROADCAST on socket: %s", mmbackend_socket_strerror(errno)); } yes = 0; - if(setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, (void*)&yes, sizeof(yes)) < 0){ + if(setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, (void*) &yes, sizeof(yes)) < 0){ LOGPF("Failed to disable IP_MULTICAST_LOOP on socket: %s", mmbackend_socket_strerror(errno)); } } |