-///<iq from='juliet@capulet.lit/balcony' to='capulet.lit' id='c2s1' type='get'>
-/// <ping xmlns='urn:xmpp:ping'/>
-///</iq>
- server_jid := new(xmpp.JID)
- server_jid.Set(botdata.my_jid_)
- iqping := &xmpp.Iq{Header: xmpp.Header{To: server_jid.Domain,
- From: botdata.my_jid_,
- Id: <-xmpp.Id,
- Type: "get",
- Nested: []interface{}{XMPPPing{}} } }
- pong := make(chan bool, 1)
- defer close(pong)
- f := func(v xmpp.Stanza) bool {
- defer recover() //recover from writing to possibly already closed chan
- let_others_handle_stanza := false
- iq, ok := v.(*xmpp.Iq)
- if !ok {
- Syslog_.Printf("response to iq ping wasn't iq: %s", v)
- pong <- false
- return true //let other handlers process reply
- }
- if iq.Type == "error" && iq.Error != nil && iq.Error.Type == "cancel"{
- Debug_.Printf("response to iq ping was cancel, server does not support ping")
- //server does not support ping, but at least we know server is still there
- } else if iq.Type != "result" {
- Syslog_.Printf("response to iq ping was not pong: %s", v)
- let_others_handle_stanza = true //let other handlers process reply
- }
- pong <- true
- return let_others_handle_stanza // return false so that Stanza v will not be appear in xmppclient_.Out()
- }
- botdata.xmppclient_.HandleStanza(iqping.Id, f)
- botdata.xmppclient_.Out <- iqping
- go func() {
- defer func() {if x:= recover(); x == nil { Syslog_.Printf("response to iq ping timed out !!") }}() //recover from writing to possibly already closed chan. If we did not need to recover, then Handler did not receive reply
- time.Sleep(timeout_ms * time.Millisecond)
- pong <- false //xmpp ping timed out
- }()
- return <- pong
+ ///<iq from='juliet@capulet.lit/balcony' to='capulet.lit' id='c2s1' type='get'>
+ /// <ping xmlns='urn:xmpp:ping'/>
+ ///</iq>
+ server_jid := new(xmpp.JID)
+ server_jid.Set(botdata.my_jid_)
+ iqping := &xmpp.Iq{Header: xmpp.Header{To: server_jid.Domain,
+ From: botdata.my_jid_,
+ Id: <-xmpp.Id,
+ Type: "get",
+ Nested: []interface{}{XMPPPing{}}}}
+ pong := make(chan bool, 1)
+ defer close(pong)
+ f := func(v xmpp.Stanza) bool {
+ defer recover() //recover from writing to possibly already closed chan
+ let_others_handle_stanza := false
+ iq, ok := v.(*xmpp.Iq)
+ if !ok {
+ Syslog_.Printf("response to iq ping wasn't iq: %s", v)
+ pong <- false
+ return true //let other handlers process reply
+ }
+ if iq.Type == "error" && iq.Error != nil && iq.Error.Type == "cancel" {
+ Debug_.Printf("response to iq ping was cancel, server does not support ping")
+ //server does not support ping, but at least we know server is still there
+ } else if iq.Type != "result" {
+ Syslog_.Printf("response to iq ping was not pong: %s", v)
+ let_others_handle_stanza = true //let other handlers process reply
+ }
+ pong <- true
+ return let_others_handle_stanza // return false so that Stanza v will not be appear in xmppclient_.Out()
+ }
+ botdata.xmppclient_.HandleStanza(iqping.Id, f)
+ botdata.xmppclient_.Out <- iqping
+ go func() {
+ defer func() {
+ if x := recover(); x == nil {
+ Syslog_.Printf("response to iq ping timed out !!")
+ }
+ }() //recover from writing to possibly already closed chan. If we did not need to recover, then Handler did not receive reply
+ time.Sleep(timeout_ms * time.Millisecond)
+ pong <- false //xmpp ping timed out
+ }()
+ return <-pong