Joe is
right about the frame sizes. Reducing the size of the data isn't always
effective. What you usually want to do is reduce the number of actual
requests.
Having
"addPerson" actually return the value of "getAllPeople" by default could avoid
that extra call. It's always best to do everything possible in each
cycle. If you don't want to modify "addPerson", you could create a
new server function that did that like: "addPersonAndGetAll", which called
"addPerson", then returned "getAllPeople".
You could use call batching to send both requests at the same
time, but I don't think you could suggest that it's worthwhile optimizing the
packet size. All the requests and responses in the example are smaller than a
standard ethernet frame, so making them smaller is totally irrelevant.
Joe.
On 2/20/07, Mike
Christoff <mchristoff4-/E1597aS9LQAvxtiuMwx3w@xxxxxxxxxxxxxxxx> wrote:
I've
been doing a bit of packet sniffing on some of the examples here: http://getahead.ltd.uk/dwr/examples
Particularly
the table editing example. It seems like the request/responses are
a bit overweight. This is what I get for an edit on one cell in one
row:
POST /dwr-demo/dwr/exec/Demo.addPerson.dwr HTTP/1.1
Accept:
*/*
Accept-Language: en-us
Referer: http://getahead.ltd.uk/dwr/examples/table
Content-Type:
text/plain
UA-CPU: x86
Accept-Encoding: gzip, deflate
User-Agent:
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.0.3705; .NET CLR
1.1.4322; InfoPath.1; .NET CLR 2.0.50727)
Host: getahead.ltd.uk
Content-Length:
282
Connection: Keep-Alive
Cache-Control: no-cache
Cookie:
JSESSIONID=38B80B0D574C93CC2912EFFA0F102C0A;
PHPSESSID=f15a25c4288d0f1bea952068ec7951e0
callCount=1
c0-scriptName=Demo
c0-methodName=addPerson
c0-id=9413_1171932650975
c0-e1=string:1%20Red%20Street
c0-e2=string:2
c0-e3=string:Fred
c0-e4=string:1000001
c0-param0=Object:{address:reference:c0-e1,
id:reference:c0-e2, name:reference:c0-e3, salary:reference:c0-e4}
xml=true
POST /dwr-demo/dwr/exec/Demo.getAllPeople.dwr
HTTP/1.1
Accept: */*
Accept-Language: en-us
Referer: http://getahead.ltd.uk/dwr/examples/table
Content-Type: text/plain
UA-CPU: x86
Accept-Encoding: gzip,
deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET
CLR 1.0.3705; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727)
Host: getahead.ltd.uk
Content-Length:
92
Connection: Keep-Alive
Cache-Control: no-cache
Cookie:
JSESSIONID=38B80B0D574C93CC2912EFFA0F102C0A;
PHPSESSID=f15a25c4288d0f1bea952068ec7951e0
callCount=1
c0-scriptName=Demo
c0-methodName=getAllPeople
c0-id=4049_1171932651315
xml=true
HTTP/1.1
200 OK
Date: Tue, 20 Feb 2007 00:50:04 GMT
Server: Apache/2.0.54 (Debian
GNU/Linux) DAV/2 mod_jk/1.2.19 PHP/4.3.10-18
Keep-Alive: timeout=15,
max=91
Connection: Keep-Alive
Transfer-Encoding:
chunked
Content-Type: text/plain;charset=ISO-8859-1
1d8
var
s0=[];var s1={};var s2="1 Red Street";s1.address=s2;
var s3=2;s1.id=s3;var
s4="Fred";s1.name=s4;var s5=1000001.0;s1.salary=s5;
s0[0]=s1;var s6={};var
s7="12 Yellow Road";s6.address=s7;
var s8=4;s6.id=s8;var
s9="Shiela";s6.name=s9;var s10= 3000000.0;s6.salary=s10;
s0[1]=s6;var
s11={};var s12="42 Brown Lane";s11.address=s12;
var s13=3;s11.id=s13;var
s14="Jim";s11.name=s14;var
s15=20000.0;s11.salary=s15;
s0[2]=s11;
DWREngine._handleResponse('4049_1171932651315',
s0);
0
I realize this is just an example, but I can't figure
out how to slim this down. Any help would be
appreciated.
-Mike
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