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go
golang
Commits
03d6909f
Commit
03d6909f
authored
Feb 18, 2009
by
Rob Pike
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more fun with triv.go: flags and arguments
R=rsc DELTA=23 (23 added, 0 deleted, 0 changed) OCL=25088 CL=25134
parent
d0424faf
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triv.go
src/lib/http/triv.go
+23
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src/lib/http/triv.go
View file @
03d6909f
...
...
@@ -45,6 +45,27 @@ func FileServer(c *http.Conn, req *http.Request) {
fmt
.
Fprintf
(
c
,
"[%d bytes]
\n
"
,
n
);
}
// simple flag server
var
booleanflag
=
flag
.
Bool
(
"boolean"
,
true
,
"another flag for testing"
)
func
FlagServer
(
c
*
http
.
Conn
,
req
*
http
.
Request
)
{
c
.
SetHeader
(
"content-type"
,
"text/plain; charset=utf-8"
);
fmt
.
Fprint
(
c
,
"Flags:
\n
"
);
flag
.
VisitAll
(
func
(
f
*
flag
.
Flag
)
{
if
f
.
Value
.
String
()
!=
f
.
DefValue
{
fmt
.
Fprintf
(
c
,
"%s = %s [default = %s]
\n
"
,
f
.
Name
,
f
.
Value
.
String
(),
f
.
DefValue
);
}
else
{
fmt
.
Fprintf
(
c
,
"%s = %s
\n
"
,
f
.
Name
,
f
.
Value
.
String
());
}
});
}
// simple argument server
func
ArgServer
(
c
*
http
.
Conn
,
req
*
http
.
Request
)
{
for
i
,
s
:=
range
sys
.
Args
{
fmt
.
Fprint
(
c
,
s
,
" "
);
}
}
// a channel (just for the fun of it)
type
Chan
chan
int
...
...
@@ -66,6 +87,8 @@ func main() {
flag
.
Parse
();
http
.
Handle
(
"/counter"
,
new
(
Counter
));
http
.
Handle
(
"/go/"
,
http
.
HandlerFunc
(
FileServer
));
http
.
Handle
(
"/flags/"
,
http
.
HandlerFunc
(
FlagServer
));
http
.
Handle
(
"/args/"
,
http
.
HandlerFunc
(
ArgServer
));
http
.
Handle
(
"/go/hello"
,
http
.
HandlerFunc
(
HelloServer
));
http
.
Handle
(
"/chan"
,
ChanCreate
());
err
:=
http
.
ListenAndServe
(
":12345"
,
nil
);
...
...
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