Mixing
Boost asio socket multicast send data with a specific ethernet interface
-1
boost::asio::ip::address_v4 local_interface =
boost::asio::ip::address_v4::from_string(ip);
boost::asio::ip::multicast::outbound_interface option(local_interface);
sock.set_option(option); //set interface
It does not work! I used wireshark to capture data, but the data source interface is not the local_interface, why??? and How to make it working?
c++ boost multicast asio
asked Nov 22 '18 at 6:15
Eric XuEric Xu
243
|
show 3 more comments
-1
boost::asio::ip::address_v4 local_interface =
boost::asio::ip::address_v4::from_string(ip);
boost::asio::ip::multicast::outbound_interface option(local_interface);
sock.set_option(option); //set interface
It does not work! I used wireshark to capture data, but the data source interface is not the local_interface, why??? and How to make it working?
c++ boost multicast asio
asked Nov 22 '18 at 6:15
Eric XuEric Xu
243
struct in_addr interface_addr; interface_addr.S_un.S_addr = inet_addr(ip.c_str()); if (-1 == setsockopt(sock.native_handle(), IPPROTO_IP, IP_MULTICAST_IF, (char*)&interface_addr, sizeof(interface_addr))) { LOG_INFO("setsockopt IP_MULTICAST_IF error!"); }
– Eric Xu
Nov 22 '18 at 7:51
set IP_MULTICAST_IF also invalid!
– Eric Xu
Nov 22 '18 at 7:52
Can you please provide MCVE? Not sure what you are trying to achieve.
– karastojko
Nov 22 '18 at 7:53
io_service io; ip::udp::socket sock(io); ip::udp::endpoint endpoint_group(ip::address::from_string(group_ip), port); sock.open(ip::udp::v4()); sock.set_option(boost::asio::socket_base::send_buffer_size(1024*1024)); sock.set_option(ip::multicast::enable_loopback(false)); sock.set_option(ip::multicast::outbound_interface(ip::address::from_string(ip).to_v4()));
– Eric Xu
Nov 22 '18 at 11:46
I have two computers, both have 2 network cards. I set the specific interface on one success, the other is invalid. but my friend used libuv library to set on the host success. The libuv inside use setsockopt set IP_MULTICAST_IF. I use setsockopt ,but failed! I suspect there's something wrong with the system?
– Eric Xu
Nov 22 '18 at 11:54
|
show 3 more comments
-1
-1
-1
0
boost::asio::ip::address_v4 local_interface =
boost::asio::ip::address_v4::from_string(ip);
boost::asio::ip::multicast::outbound_interface option(local_interface);
sock.set_option(option); //set interface
It does not work! I used wireshark to capture data, but the data source interface is not the local_interface, why??? and How to make it working?
c++ boost multicast asio
asked Nov 22 '18 at 6:15
Eric XuEric Xu
243
boost::asio::ip::address_v4 local_interface =
boost::asio::ip::address_v4::from_string(ip);
boost::asio::ip::multicast::outbound_interface option(local_interface);
sock.set_option(option); //set interface
It does not work! I used wireshark to capture data, but the data source interface is not the local_interface, why??? and How to make it working?
c++ boost multicast asio
c++ boost multicast asio
asked Nov 22 '18 at 6:15
Eric XuEric Xu
243
asked Nov 22 '18 at 6:15
Eric XuEric Xu
243
asked Nov 22 '18 at 6:15
Eric XuEric Xu
243
asked Nov 22 '18 at 6:15
Eric XuEric Xu
243
asked Nov 22 '18 at 6:15
Eric XuEric Xu
243
243
struct in_addr interface_addr; interface_addr.S_un.S_addr = inet_addr(ip.c_str()); if (-1 == setsockopt(sock.native_handle(), IPPROTO_IP, IP_MULTICAST_IF, (char*)&interface_addr, sizeof(interface_addr))) { LOG_INFO("setsockopt IP_MULTICAST_IF error!"); }
– Eric Xu
Nov 22 '18 at 7:51
set IP_MULTICAST_IF also invalid!
– Eric Xu
Nov 22 '18 at 7:52
Can you please provide MCVE? Not sure what you are trying to achieve.
– karastojko
Nov 22 '18 at 7:53
io_service io; ip::udp::socket sock(io); ip::udp::endpoint endpoint_group(ip::address::from_string(group_ip), port); sock.open(ip::udp::v4()); sock.set_option(boost::asio::socket_base::send_buffer_size(1024*1024)); sock.set_option(ip::multicast::enable_loopback(false)); sock.set_option(ip::multicast::outbound_interface(ip::address::from_string(ip).to_v4()));
– Eric Xu
Nov 22 '18 at 11:46
I have two computers, both have 2 network cards. I set the specific interface on one success, the other is invalid. but my friend used libuv library to set on the host success. The libuv inside use setsockopt set IP_MULTICAST_IF. I use setsockopt ,but failed! I suspect there's something wrong with the system?
– Eric Xu
Nov 22 '18 at 11:54
|
show 3 more comments
struct in_addr interface_addr; interface_addr.S_un.S_addr = inet_addr(ip.c_str()); if (-1 == setsockopt(sock.native_handle(), IPPROTO_IP, IP_MULTICAST_IF, (char*)&interface_addr, sizeof(interface_addr))) { LOG_INFO("setsockopt IP_MULTICAST_IF error!"); }
– Eric Xu
Nov 22 '18 at 7:51
set IP_MULTICAST_IF also invalid!
– Eric Xu
Nov 22 '18 at 7:52
Can you please provide MCVE? Not sure what you are trying to achieve.
– karastojko
Nov 22 '18 at 7:53
io_service io; ip::udp::socket sock(io); ip::udp::endpoint endpoint_group(ip::address::from_string(group_ip), port); sock.open(ip::udp::v4()); sock.set_option(boost::asio::socket_base::send_buffer_size(1024*1024)); sock.set_option(ip::multicast::enable_loopback(false)); sock.set_option(ip::multicast::outbound_interface(ip::address::from_string(ip).to_v4()));
– Eric Xu
Nov 22 '18 at 11:46
I have two computers, both have 2 network cards. I set the specific interface on one success, the other is invalid. but my friend used libuv library to set on the host success. The libuv inside use setsockopt set IP_MULTICAST_IF. I use setsockopt ,but failed! I suspect there's something wrong with the system?
– Eric Xu
Nov 22 '18 at 11:54
struct in_addr interface_addr; interface_addr.S_un.S_addr = inet_addr(ip.c_str()); if (-1 == setsockopt(sock.native_handle(), IPPROTO_IP, IP_MULTICAST_IF, (char*)&interface_addr, sizeof(interface_addr))) { LOG_INFO("setsockopt IP_MULTICAST_IF error!"); }
– Eric Xu
Nov 22 '18 at 7:51
struct in_addr interface_addr; interface_addr.S_un.S_addr = inet_addr(ip.c_str()); if (-1 == setsockopt(sock.native_handle(), IPPROTO_IP, IP_MULTICAST_IF, (char*)&interface_addr, sizeof(interface_addr))) { LOG_INFO("setsockopt IP_MULTICAST_IF error!"); }
– Eric Xu
Nov 22 '18 at 7:51
set IP_MULTICAST_IF also invalid!
– Eric Xu
Nov 22 '18 at 7:52
set IP_MULTICAST_IF also invalid!
– Eric Xu
Nov 22 '18 at 7:52
Can you please provide MCVE? Not sure what you are trying to achieve.
– karastojko
Nov 22 '18 at 7:53
Can you please provide MCVE? Not sure what you are trying to achieve.
– karastojko
Nov 22 '18 at 7:53
io_service io; ip::udp::socket sock(io); ip::udp::endpoint endpoint_group(ip::address::from_string(group_ip), port); sock.open(ip::udp::v4()); sock.set_option(boost::asio::socket_base::send_buffer_size(1024*1024)); sock.set_option(ip::multicast::enable_loopback(false)); sock.set_option(ip::multicast::outbound_interface(ip::address::from_string(ip).to_v4()));
– Eric Xu
Nov 22 '18 at 11:46
io_service io; ip::udp::socket sock(io); ip::udp::endpoint endpoint_group(ip::address::from_string(group_ip), port); sock.open(ip::udp::v4()); sock.set_option(boost::asio::socket_base::send_buffer_size(1024*1024)); sock.set_option(ip::multicast::enable_loopback(false)); sock.set_option(ip::multicast::outbound_interface(ip::address::from_string(ip).to_v4()));
– Eric Xu
Nov 22 '18 at 11:46
I have two computers, both have 2 network cards. I set the specific interface on one success, the other is invalid. but my friend used libuv library to set on the host success. The libuv inside use setsockopt set IP_MULTICAST_IF. I use setsockopt ,but failed! I suspect there's something wrong with the system?
– Eric Xu
Nov 22 '18 at 11:54
I have two computers, both have 2 network cards. I set the specific interface on one success, the other is invalid. but my friend used libuv library to set on the host success. The libuv inside use setsockopt set IP_MULTICAST_IF. I use setsockopt ,but failed! I suspect there's something wrong with the system?
– Eric Xu
Nov 22 '18 at 11:54
|
show 3 more comments
1 Answer
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WSOCK32.DLL WS2_32.DLL both exist in a program. We can set VS project linker input: Ignore specific default libraries(the WSOCK32.DLL).
answered Nov 28 '18 at 7:07
Eric XuEric Xu
243
add a comment |
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WSOCK32.DLL WS2_32.DLL both exist in a program. We can set VS project linker input: Ignore specific default libraries(the WSOCK32.DLL).
answered Nov 28 '18 at 7:07
Eric XuEric Xu
243
add a comment |
0
WSOCK32.DLL WS2_32.DLL both exist in a program. We can set VS project linker input: Ignore specific default libraries(the WSOCK32.DLL).
answered Nov 28 '18 at 7:07
Eric XuEric Xu
243
add a comment |
0
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WSOCK32.DLL WS2_32.DLL both exist in a program. We can set VS project linker input: Ignore specific default libraries(the WSOCK32.DLL).
answered Nov 28 '18 at 7:07
Eric XuEric Xu
243
WSOCK32.DLL WS2_32.DLL both exist in a program. We can set VS project linker input: Ignore specific default libraries(the WSOCK32.DLL).
answered Nov 28 '18 at 7:07
Eric XuEric Xu
243
answered Nov 28 '18 at 7:07
Eric XuEric Xu
243
answered Nov 28 '18 at 7:07
Eric XuEric Xu
243
answered Nov 28 '18 at 7:07
Eric XuEric Xu
243
243
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struct in_addr interface_addr; interface_addr.S_un.S_addr = inet_addr(ip.c_str()); if (-1 == setsockopt(sock.native_handle(), IPPROTO_IP, IP_MULTICAST_IF, (char*)&interface_addr, sizeof(interface_addr))) { LOG_INFO("setsockopt IP_MULTICAST_IF error!"); }
– Eric Xu
Nov 22 '18 at 7:51
set IP_MULTICAST_IF also invalid!
– Eric Xu
Nov 22 '18 at 7:52
Can you please provide MCVE? Not sure what you are trying to achieve.
– karastojko
Nov 22 '18 at 7:53
io_service io; ip::udp::socket sock(io); ip::udp::endpoint endpoint_group(ip::address::from_string(group_ip), port); sock.open(ip::udp::v4()); sock.set_option(boost::asio::socket_base::send_buffer_size(1024*1024)); sock.set_option(ip::multicast::enable_loopback(false)); sock.set_option(ip::multicast::outbound_interface(ip::address::from_string(ip).to_v4()));
– Eric Xu
Nov 22 '18 at 11:46
I have two computers, both have 2 network cards. I set the specific interface on one success, the other is invalid. but my friend used libuv library to set on the host success. The libuv inside use setsockopt set IP_MULTICAST_IF. I use setsockopt ,but failed! I suspect there's something wrong with the system?
– Eric Xu
Nov 22 '18 at 11:54