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Implement UDP listen bind address

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This commit is contained in:
Fabio Alessandrelli
2017-01-18 10:24:26 +01:00
parent b2839343ca
commit 2fe4ef6699
6 changed files with 47 additions and 15 deletions
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24
drivers/unix/packet_peer_udp_posix.cpp
View File

@@ -98,10 +98,13 @@ Error PacketPeerUDPPosix::put_packet(const uint8_t *p_buffer,int p_buffer_size){
ERR_FAIL_COND_V(!peer_addr.is_valid(), ERR_UNCONFIGURED);
if (sock_type==IP::TYPE_NONE)
sock_type = peer_addr.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
int sock = _get_socket();
ERR_FAIL_COND_V( sock == -1, FAILED );
struct sockaddr_storage addr;
size_t addr_size = _set_sockaddr(&addr, peer_addr, peer_port, ip_type);
size_t addr_size = _set_sockaddr(&addr, peer_addr, peer_port, sock_type);
errno = 0;
int err;
@@ -121,16 +124,23 @@ int PacketPeerUDPPosix::get_max_packet_size() const{
return 512; // uhm maybe not
}
Error PacketPeerUDPPosix::listen(int p_port, int p_recv_buffer_size) {
Error PacketPeerUDPPosix::listen(int p_port, IP_Address p_bind_address, int p_recv_buffer_size) {
ERR_FAIL_COND_V(sockfd!=-1,ERR_ALREADY_IN_USE);
ERR_FAIL_COND_V(!p_bind_address.is_valid() && !p_bind_address.is_wildcard(),ERR_INVALID_PARAMETER);
sock_type = ip_type;
if(p_bind_address.is_valid())
sock_type = p_bind_address.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
close();
int sock = _get_socket();
if (sock == -1 )
return ERR_CANT_CREATE;
sockaddr_storage addr = {0};
size_t addr_size = _set_listen_sockaddr(&addr, p_port, ip_type, IP_Address());
size_t addr_size = _set_listen_sockaddr(&addr, p_port, sock_type, IP_Address());
if (bind(sock, (struct sockaddr*)&addr, addr_size) == -1 ) {
close();
@@ -145,6 +155,7 @@ void PacketPeerUDPPosix::close(){
if (sockfd != -1)
::close(sockfd);
sockfd=-1;
sock_type = IP::TYPE_NONE;
rb.resize(8);
queue_count=0;
}
@@ -225,10 +236,12 @@ int PacketPeerUDPPosix::get_packet_port() const{
int PacketPeerUDPPosix::_get_socket() {
ERR_FAIL_COND_V(sock_type==IP::TYPE_NONE, -1);
if (sockfd != -1)
return sockfd;
sockfd = _socket_create(ip_type, SOCK_DGRAM, IPPROTO_UDP);
sockfd = _socket_create(sock_type, SOCK_DGRAM, IPPROTO_UDP);
return sockfd;
}
@@ -257,6 +270,7 @@ PacketPeerUDPPosix::PacketPeerUDPPosix() {
packet_port=0;
queue_count=0;
peer_port=0;
sock_type = IP::TYPE_NONE;
ip_type = IP::TYPE_ANY;
}

3
drivers/unix/packet_peer_udp_posix.h
View File

@@ -48,6 +48,7 @@ class PacketPeerUDPPosix : public PacketPeerUDP {
mutable int packet_port;
mutable int queue_count;
int sockfd;
IP::Type sock_type;
IP_Address peer_addr;
int peer_port;
@@ -65,7 +66,7 @@ public:
virtual int get_max_packet_size() const;
virtual Error listen(int p_port, int p_recv_buffer_size=65536);
virtual Error listen(int p_port, IP_Address p_bind_address=IP_Address("*"), int p_recv_buffer_size=65536);
virtual void close();
virtual Error wait();
virtual bool is_listening() const;