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-rw-r--r--library/http/http.tcl44
1 files changed, 28 insertions, 16 deletions
diff --git a/library/http/http.tcl b/library/http/http.tcl
index b8764b4..ef7950c 100644
--- a/library/http/http.tcl
+++ b/library/http/http.tcl
@@ -8,7 +8,7 @@
# See the file "license.terms" for information on usage and redistribution of
# this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
-# RCS: @(#) $Id: http.tcl,v 1.62 2008/02/26 19:52:54 patthoyts Exp $
+# RCS: @(#) $Id: http.tcl,v 1.63 2008/02/27 23:49:23 patthoyts Exp $
# Rough version history:
# 1.0 Old http_get interface.
@@ -482,19 +482,26 @@ proc http::geturl { url args } {
fileevent $s writable [list http::Connect $token]
http::wait $token
- if {$state(status) eq "error"} {
- # Something went wrong while trying to establish the connection.
- # Clean up after events and such, but DON'T call the command
- # callback (if available) because we're going to throw an
- # exception from here instead.
- set err [lindex $state(error) 0]
- cleanup $token
- return -code error $err
- } elseif {$state(status) ne "connect"} {
- # Likely to be connection timeout
+ if {![info exists state]} {
+ # If we timed out then Finish has been called and the users
+ # command callback may have cleaned up the token. If so
+ # we end up here with nothing left to do.
return $token
+ } else {
+ if {$state(status) eq "error"} {
+ # Something went wrong while trying to establish the connection.
+ # Clean up after events and such, but DON'T call the command
+ # callback (if available) because we're going to throw an
+ # exception from here instead.
+ set err [lindex $state(error) 0]
+ cleanup $token
+ return -code error $err
+ } elseif {$state(status) ne "connect"} {
+ # Likely to be connection timeout
+ return $token
+ }
+ set state(status) ""
}
- set state(status) ""
}
# Send data in cr-lf format, but accept any line terminators
@@ -610,7 +617,7 @@ proc http::geturl { url args } {
# if state(status) is error, it means someone's already called Finish
# to do the above-described clean up.
- if {$state(status) eq "error"} {
+ if {$state(status) ne "error"} {
Finish $token $err 1
}
cleanup $token
@@ -633,6 +640,7 @@ proc http::data {token} {
}
proc http::status {token} {
if {![info exists $token]} { return "error" }
+ variable $token
upvar 0 $token state
return $state(status)
}
@@ -820,7 +828,7 @@ proc http::Event {token} {
# Initiate a sequence of background fcopies
fileevent $s readable {}
CopyStart $s $token
- return
+ return
}
} elseif {$n > 0} {
if {[regexp -nocase {^content-type:(.+)$} $line x type]} {
@@ -865,8 +873,8 @@ proc http::Event {token} {
}
if {[eof $s]} {
- Eof $token
- return
+ Eof $token
+ return
}
}
@@ -1043,3 +1051,7 @@ proc http::ProxyRequired {host} {
return [list $http(-proxyhost) $http(-proxyport)]
}
}
+
+# Local variables:
+# indent-tabs-mode: t
+# End: