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Carl Shapiro
cmucl
Commits
948ef2c4
Commit
948ef2c4
authored
23 years ago
by
pw
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Improved version of connect-to-inet socket from John Wiseman.
parent
94b05d68
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code/internet.lisp
+15
-6
15 additions, 6 deletions
code/internet.lisp
with
15 additions
and
6 deletions
code/internet.lisp
+
15
−
6
View file @
948ef2c4
...
@@ -5,7 +5,7 @@
...
@@ -5,7 +5,7 @@
;;; Carnegie Mellon University, and has been placed in the public domain.
;;; Carnegie Mellon University, and has been placed in the public domain.
;;;
;;;
(
ext:file-comment
(
ext:file-comment
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/code/internet.lisp,v 1.3
3
2002/01/2
3
1
9
:0
2:35 toy
Exp $"
)
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/code/internet.lisp,v 1.3
4
2002/01/2
6
1
3
:0
8:12 pw
Exp $"
)
;;;
;;;
;;; **********************************************************************
;;; **********************************************************************
;;;
;;;
...
@@ -267,21 +267,30 @@ struct in_addr {
...
@@ -267,21 +267,30 @@ struct in_addr {
(
error
"Error creating socket: ~A"
(
unix:get-unix-error-msg
)))
(
error
"Error creating socket: ~A"
(
unix:get-unix-error-msg
)))
socket
)))
socket
)))
(
defun
connect-to-inet-socket
(
host
port
&optional
(
kind
:stream
))
(
defun
connect-to-inet-socket
(
host
port
&optional
(
kind
:stream
))
"The host may be an address string or an IP address in host order."
"The host may be an address string or an IP address in host order."
(
let*
((
hostent
(
or
(
lookup-host-entry
host
)
(
let*
((
addr
(
if
(
stringp
host
)
(
error
"Unknown host: ~S."
host
)))
(
host-entry-addr
(
or
(
lookup-host-entry
host
)
(
error
"Unknown host: ~S."
host
)))
host
))
(
socket
(
create-inet-socket
kind
)))
(
socket
(
create-inet-socket
kind
)))
(
with-alien
((
sockaddr
inet-sockaddr
))
(
with-alien
((
sockaddr
inet-sockaddr
))
(
setf
(
slot
sockaddr
'family
)
af-inet
)
(
setf
(
slot
sockaddr
'family
)
af-inet
)
(
setf
(
slot
sockaddr
'port
)
(
htons
port
))
(
setf
(
slot
sockaddr
'port
)
(
htons
port
))
(
setf
(
slot
sockaddr
'addr
)
(
htonl
(
host-entry-addr
hostent
)
))
(
setf
(
slot
sockaddr
'addr
)
(
htonl
addr
))
(
when
(
minusp
(
unix:unix-connect
socket
(
when
(
minusp
(
unix:unix-connect
socket
(
alien-sap
sockaddr
)
(
alien-sap
sockaddr
)
(
alien-size
inet-sockaddr
:bytes
)))
(
alien-size
inet-sockaddr
:bytes
)))
(
unix:unix-close
socket
)
(
unix:unix-close
socket
)
(
error
"Error connecting socket to [~A:~A]: ~A"
(
error
"Error connecting socket to [~A:~A]: ~A"
(
host-entry-name
hostent
)
(
if
(
stringp
host
)
host
(
let
((
naddr
(
htonl
addr
)))
(
format
nil
"~D.~D.~D.~D"
(
ldb
(
byte
8
0
)
naddr
)
(
ldb
(
byte
8
8
)
naddr
)
(
ldb
(
byte
8
16
)
naddr
)
(
ldb
(
byte
8
24
)
naddr
))))
port
port
(
unix:get-unix-error-msg
)))
(
unix:get-unix-error-msg
)))
socket
)))
socket
)))
...
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