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local-pair-sync-prototype
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Native Go Zyre

Repo:

go-zeromq/zyre

Test code:

lib_test/zyre_test.go

Test Output(s)

macos: wifi: single device peers:

=== RUN   TestZyre
    TestZyre: zyre_test.go:67: (*zyre.Event)(0xc000234000)({
         Type: (string) (len=5) "ENTER",
         PeerUUID: (string) (len=32) "B1D08EEE664CAB5955546B5BC5AD18B1",
         PeerName: (string) (len=6) "B1D08E",
         PeerAddr: (string) (len=24) "tcp://192.168.0.14:58858",
         Headers: (map[string]string) {
         },
         Group: (string) "",
         Msg: ([]uint8) <nil>
        })
        
    TestZyre: zyre_test.go:67: (*zyre.Event)(0xc0000c6000)({
         Type: (string) (len=5) "ENTER",
         PeerUUID: (string) (len=32) "945D8DD9CE3C20527CEFCC4BC7A21343",
         PeerName: (string) (len=6) "945D8D",
         PeerAddr: (string) (len=24) "tcp://192.168.0.14:58859",
         Headers: (map[string]string) {
         },
         Group: (string) "",
         Msg: ([]uint8) <nil>
        })
        
([]string) (len=1 cap=1) {
 (string) (len=32) "945D8DD9CE3C20527CEFCC4BC7A21343"
}
([]string) (len=1 cap=1) {
 (string) (len=32) "B1D08EEE664CAB5955546B5BC5AD18B1"
}
--- PASS: TestZyre (9.01s)
PASS

Notes:

The peers can see the ENTER event but the SHOUT and JOIN events are not received

Native Go ZMQ4

Repo:

go-zeromq/zmq4

Test code:

lib_test/zmq4_test.go

Test Output(s):

TestZMQ4ReqRep():

macos: wifi: single device peers:

=== RUN   TestZMQ4ReqRep
rrworker: 2021/07/09 16:43:01 received request: [Hello]
rrclient: 2021/07/09 16:43:02 received reply 0 [World]
rrworker: 2021/07/09 16:43:02 received request: [Hello]
rrclient: 2021/07/09 16:43:03 received reply 1 [World]
rrworker: 2021/07/09 16:43:03 received request: [Hello]
rrclient: 2021/07/09 16:43:04 received reply 2 [World]
rrworker: 2021/07/09 16:43:04 received request: [Hello]
rrclient: 2021/07/09 16:43:05 received reply 3 [World]
rrworker: 2021/07/09 16:43:05 received request: [Hello]
rrclient: 2021/07/09 16:43:06 received reply 4 [World]
rrworker: 2021/07/09 16:43:06 received request: [Hello]
rrclient: 2021/07/09 16:43:07 received reply 5 [World]
rrworker: 2021/07/09 16:43:07 received request: [Hello]
rrclient: 2021/07/09 16:43:08 received reply 6 [World]
rrworker: 2021/07/09 16:43:08 received request: [Hello]
rrclient: 2021/07/09 16:43:09 received reply 7 [World]
rrworker: 2021/07/09 16:43:09 received request: [Hello]
rrclient: 2021/07/09 16:43:10 received reply 8 [World]
rrworker: 2021/07/09 16:43:10 received request: [Hello]
rrclient: 2021/07/09 16:43:11 received reply 9 [World]
--- PASS: TestZMQ4ReqRep (15.00s)
PASS

Peer Discovery

Repo:

schollz/peerdiscovery

Test code:

lib_test/peer_discovery_test.go

Test Output(s):

macos: wifi: 1 peer per device:

Scanning for 10 seconds to find LAN peers
Payload sending : 'ahQBlMvUYE'
2021/07/12 14:24:32 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:32 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:33 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:33 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:34 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:34 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:35 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:35 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:36 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:36 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:37 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:37 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:38 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:38 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:39 address: 192.168.0.17, payload: DNDVvRmirX
2021/07/12 14:24:39 address: 192.168.0.17, payload: DNDVvRmirX
Found 1 other computers
0) '192.168.0.17' with payload 'DNDVvRmirX'
--- PASS: TestAnother (10.00s)
PASS

Windows: ethernet cable: 1 peer per device:

=== RUN   TestAnother
Scanning for 10 seconds to find LAN peers
Payload sending : 'DNDVvRmirX'
2021/07/09 16:54:54 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:54 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:55 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:55 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:55 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:55 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:56 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:56 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:56 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:56 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:57 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:57 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:57 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:57 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:58 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:58 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:58 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:58 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:59 address: 192.168.0.14, payload: ahQBlMvUYE
2021/07/09 16:54:59 address: 192.168.0.14, payload: ahQBlMvUYE
Found 1 other computers
0) '192.168.0.14' with payload 'ahQBlMvUYE'
--- PASS: TestAnother (10.34s)
PASS

Notes:

Windows/ethernet peer device can see and receive payload from the macOS/Wifi device peer. But the MacOS/Wifi device can not see the Windows/ethernet device and/or receive the payload.

Follow up, the issue is caused by the system firewall silently blocking all network calls for my application.