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Possibility to specify a listen address #6

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Possibility to specify a listen address #6

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10a20ec
Update sentinel_tunnel_configuration_example.json
ryno83 Feb 12, 2019
6ec1a5e
Update sentinel_tunnelling_client.go
ryno83 Feb 12, 2019
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3 changes: 2 additions & 1 deletion sentinel_tunnel_configuration_example.json
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
{
"Bind_address":"127.0.0.1",
"Sentinels_addresses_list":[
"node1.local:8001",
"node2.local:8001"
Expand All @@ -13,4 +14,4 @@
"Local_port":"12346"
}
]
}
}
24 changes: 14 additions & 10 deletions sentinel_tunnelling_client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ type SentinelTunnellingDbConfig struct {
}

type SentinelTunnellingConfiguration struct {
Bind_address string
Sentinels_addresses_list []string
Databases []SentinelTunnellingDbConfig
}
Expand Down Expand Up @@ -82,32 +83,35 @@ func handleConnection(c net.Conn, db_name string,
go createTunnelling(db_conn, c)
}

func handleSigleDbConnections(listening_port string, db_name string,
func handleSigleDbConnections(Bind_address, listening_port string, db_name string,
get_db_address_by_name get_db_address_by_name_function) {

listener, err := net.Listen("tcp", fmt.Sprintf("0.0.0.0:%s", listening_port))
listener, err := net.Listen("tcp", fmt.Sprintf("%s:%s", Bind_address, listening_port))
if err != nil {
st_logger.WriteLogMessage(st_logger.FATAL, "cannot listen to port ",
listening_port, err.Error())
st_logger.WriteLogMessage(st_logger.FATAL, "cannot listen on", Bind_address,
"port", listening_port, err.Error())
}

st_logger.WriteLogMessage(st_logger.INFO, "listening on port ", listening_port,
" for connections to database: ", db_name)
st_logger.WriteLogMessage(st_logger.INFO, "listening on", Bind_address, "port",
listening_port, "for connections to database: ", db_name)
for {
conn, err := listener.Accept()
if err != nil {
st_logger.WriteLogMessage(st_logger.FATAL, "cannot accept connections on port ",
listening_port, err.Error())
st_logger.WriteLogMessage(st_logger.FATAL, "cannot accept connections on",
Bind_address, "port", listening_port, err.Error())
}
go handleConnection(conn, db_name, get_db_address_by_name)
}

}

func (st_client *SentinelTunnellingClient) Start() {
if len(st_client.configuration.Bind_address) == 0 {
st_client.configuration.Bind_address = "0.0.0.0"
}
for _, db_conf := range st_client.configuration.Databases {
go handleSigleDbConnections(db_conf.Local_port, db_conf.Name,
st_client.sentinel_connection.GetAddressByDbName)
go handleSigleDbConnections(st_client.configuration.Bind_address, db_conf.Local_port,
db_conf.Name, st_client.sentinel_connection.GetAddressByDbName)
}
}

Expand Down