FIX & FIXML

boosha_x · February 9, 2006, 9:03am

Imported from previous forum

boosha_x · February 9, 2006, 9:03am

Hello Forum,

If I need to support both FIX and FIXML, how do I identify if the message has Standard Fix message or FIXML message? Appreciate your help.

Thanks
Booshan

kaymahes_x · February 9, 2006, 6:44pm

Hi Booshan,

You can distinguish between FIX and FIXML messages by using the following rules :-

FIXML starts with < the arrow brace : the XML tag begin char, FIX messages start with BeginString 8=FIX.X.Y^ where ^ is ASCII SOH char. In a seperate post I have discussed the method used for determining end of a FIX message

http://fixprotocol.org/discuss/read/ea65d469

http://fixprotocol.org/discuss/read/443ad4c9

The FIXML message will NOT have SOH delimiter which is used in FIX Tag=Value^ messages; the FIX message would not have < or >.

3.1) FIXML should pass thru all XML validations + FIXML validations.

3.2) FIX message should pass thru header / trailer validations of BeginString, BodyLength, MsgType, CheckSum, for each field in the body of the FIX message apply validations of mandatory / optional, values.

I do not think mixing FIX and FIXML in same session is currently part of FIX specification, though I do not see any reason why this cannot be done.

Regards,
K. Mahesh
+1-203-252-4039

Hello Forum,

If I need to support both FIX and FIXML, how do I identify if the
message has Standard Fix message or FIXML message? Appreciate your help.

Thanks Booshan

brengachar_x · February 9, 2006, 8:55pm

Mahesh,

Thanks for your reply. I am confused after reading the following statement.

“FIXML can be encapsulated within the FIX Session Protocol”.

In another place I read, Session protocol is same for both FIX and FIXML. Does this mean, only the handsacking mechanism is same, or the admin messages are also same for both.

Appreciate your help in clearing this confusion.

Thanks
Booshan

Hi Booshan,

You can distinguish between FIX and FIXML messages by using the
following rules :-

FIXML starts with < the arrow brace : the XML tag begin char, FIX
messages start with BeginString 8=FIX.X.Y^ where ^ is ASCII SOH char.
In a seperate post I have discussed the method used for determining
end of a FIX message

http://fixprotocol.org/discuss/read/ea65d469

http://fixprotocol.org/discuss/read/443ad4c9

The FIXML message will NOT have SOH delimiter which is used in FIX
Tag=Value^ messages; the FIX message would not have < or >.

2.1) FIXML should pass thru all XML validations + FIXML validations.

2.2) FIX message should pass thru header / trailer validations of
BeginString, BodyLength, MsgType, CheckSum, for each field in the
body of the FIX message apply validations of mandatory /
optional, values.

I do not think mixing FIX and FIXML in same session is currently
part of FIX specification, though I do not see any reason why this
cannot be done.

Regards,
K. Mahesh +1-203-252-4039

Hello Forum,

If I need to support both FIX and FIXML, how do I identify if the
message has Standard Fix message or FIXML message? Appreciate
your help.

Thanks Booshan

fplpo_x · February 10, 2006, 8:47am

[ original email was from Steve Bate - sbate@smart-trade.net ]
> I am confused after reading the following

statement.

“FIXML can be encapsulated within the FIX Session Protocol”.

In another place I read, Session protocol is same for both FIX and
FIXML. Does this mean, only the handsacking mechanism is same, or the
admin messages are also same for both.

Appreciate your help in clearing this confusion.

Hi Booshan,

I haven’t used FIXML but my understanding is that in FIX 4.4 there is a message type “n” and two header tags, XmlDataLen(212) and XmlData(213), that are used to encapsulate a FIXML message within a non-XML FIX message envelope. You can also send a FIXML message outside the content of a FIX session (e.g., email or some type of message-oriented middleware) but you would bypass all the FIX session protocol behaviors and error checking.

HTH,

Steve Bate

kaymahes_x · February 17, 2006, 4:39pm

Hi Booshan,

The method mentioned by Steve is the standard way to encapsulate and transmit FIXML over a FIX Tag=Value^ session using message type 35=n^

I am in the process of mixing FIX and FIXML in the single session without encapsulation. Since my FIX engine can parse FIX Tag=Value^ and FIXML, it can distinguish between FIX and FIXML based on the contents of the message which is a stream of characters. In Java terms, my FIX engine has a message factory class which consumes stream of characters and emits FIX or FIXML messages. This is one of my FIXperiments.

To take another example, I can read/write English, Hindi and Tamil ( last two are Indian languages ). If I am given a piece of paper with any one of these written, I need not be told what language it is to be able to read it. Even between Hindi and Sanskrit ( both of these use the same written script Devanagri ), I can distinguish based of dictionary.

Regards,
K. Mahesh
+1-203-252-4039

I am confused after reading the following statement.

“FIXML can be encapsulated within the FIX Session Protocol”.

In another place I read, Session protocol is same for both FIX and
FIXML. Does this mean, only the handsacking mechanism is same, or the
admin messages are also same for both.

Appreciate your help in clearing this confusion.

Hi Booshan,

I haven’t used FIXML but my understanding is that in FIX 4.4 there is a
message type “n” and two header tags, XmlDataLen(212) and XmlData(213),
that are used to encapsulate a FIXML message within a non-XML FIX
message envelope. You can also send a FIXML message outside the content
of a FIX session (e.g., email or some type of message-oriented
middleware) but you would bypass all the FIX session protocol behaviors
and error checking.

HTH,

Steve Bate

kaymahes_x · February 18, 2006, 4:47am

Correction :-

my FIX engine has a message factory class which consumes stream of characters and emits Java objects ( which represent the FIX / FIXML message ).

Hi Booshan,

The method mentioned by Steve is the standard way to encapsulate and
transmit FIXML over a FIX Tag=Value^ session using message type 35=n^

I am in the process of mixing FIX and FIXML in the single session
without encapsulation. Since my FIX engine can parse FIX Tag=Value^ and
FIXML, it can distinguish between FIX and FIXML based on the contents of
the message which is a stream of characters. In Java terms, my FIX
engine has a message factory class which consumes stream of characters
and emits FIX or FIXML messages. This is one of my FIXperiments.

To take another example, I can read/write English, Hindi and Tamil (
last two are Indian languages ). If I am given a piece of paper with any
one of these written, I need not be told what language it is to be able
to read it. Even between Hindi and Sanskrit ( both of these use the same
written script Devanagri ), I can distinguish based of dictionary.

Regards,
K. Mahesh +1-203-252-4039

I am confused after reading the following statement.

“FIXML can be encapsulated within the FIX Session Protocol”.

In another place I read, Session protocol is same for both FIX and
FIXML. Does this mean, only the handsacking mechanism is same, or
the admin messages are also same for both.

Appreciate your help in clearing this confusion.

Hi Booshan,

I haven’t used FIXML but my understanding is that in FIX 4.4 there is
a message type “n” and two header tags, XmlDataLen(212) and
XmlData(213), that are used to encapsulate a FIXML message within a
non-XML FIX message envelope. You can also send a FIXML message
outside the content of a FIX session (e.g., email or some type of message-
oriented middleware) but you would bypass all the FIX session protocol
behaviors and error checking.

HTH,

Steve Bate

desiganmohan_x · October 7, 2008, 8:30am

Hi,
I have been trying to parse the fix message. I got to know that there is a message delimiter for FIX which is “SOH char”. Could you please tell me how to identify it real fix messages. I am not able to locate it.

Note:- I am working on FIX.4.0

Thanks
Desigan

Hi Booshan,

You can distinguish between FIX and FIXML messages by using the
following rules :-

FIXML starts with < the arrow brace : the XML tag begin char, FIX
messages start with BeginString 8=FIX.X.Y^ where ^ is ASCII SOH char.
In a seperate post I have discussed the method used for determining
end of a FIX message

http://fixprotocol.org/discuss/read/ea65d469

http://fixprotocol.org/discuss/read/443ad4c9

The FIXML message will NOT have SOH delimiter which is used in FIX
Tag=Value^ messages; the FIX message would not have < or >.

2.1) FIXML should pass thru all XML validations + FIXML validations.

2.2) FIX message should pass thru header / trailer validations of
BeginString, BodyLength, MsgType, CheckSum, for each field in the
body of the FIX message apply validations of mandatory /
optional, values.

I do not think mixing FIX and FIXML in same session is currently
part of FIX specification, though I do not see any reason why this
cannot be done.

Regards,
K. Mahesh +1-203-252-4039

Hello Forum,

If I need to support both FIX and FIXML, how do I identify if the
message has Standard Fix message or FIXML message? Appreciate
your help.

Thanks Booshan

kaymahes_x · October 11, 2008, 4:30am

Structure of a FIX message - Logical and Physical
http://fixprotocol.org/discuss/read/c87136ed

FIX message flow - A detailed analysis of a single message flowing in a “FIX” pipe between connected counterparties. (Please make note of the difference in FIX Version / message structure and tag locations)

http://fixprotocol.org/discuss/read/94232f30

Hi, I have been trying to parse the fix message. I got to know that
there is a message delimiter for FIX which is “SOH char”. Could you
please tell me how to identify it real fix messages. I am not able to
locate it.

Note:- I am working on FIX.4.0

Thanks Desigan

Topic		Replies	Views
FIXML format imported , fixml , xid_164976	2	15	October 10, 2001
what hte difference between FIX and FIXML? imported , general-qa , xid_166201	2	33	July 11, 2007
Tunneling FIXML over FIX imported , general-qa , xid_167993	10	61	April 29, 2010
Newbie Question imported , 40-session , xid_164641	5	10	July 27, 2005
FIX to FIXML and vice versa imported , fixml , xid_165047	7	131	May 2, 2022

FIX & FIXML

Thanks Desigan

Thanks Desigan

Related topics

Thanks
Desigan