Legacy Protocols Reference

The following table describes how the headers in the fix and nvfix protocols are processed by AMPS.

FIX/NVFIX Header Field	AMPS Protocol Equivalent
20000	`cmd`
20001	`cmd_id`
20002	`client_name`
20003	`user_id`
20004	`timestamp`
20005	`topic`
20006	`filter`
20007	`message_type`
20008	`ack_type`
20009	`sub_id`
20011	`version`
20012	`expiration`
20013	N/A -- obsolete header (`SendSubscriptionIDs`)
20014	`data_only`
20015	`heartbeat`
20016	`timeout_interval`
20017	`lease_period`
20018	`status`
20019	`query_id`
20020	`send_oof`
20021	N/A -- obsolete header (`LogLevel`)
20022	`use_ns`
20023	`batch_size`
20025	`top_n`
20029	`send_empty`
20031	`max_msgs`
20032	`sow_keys`
20033	`send_keys`
20034	`src`
20035	`correlation_id`
20036	`seq`
20037	`bookmark`
20038	`password`
20039	`opts`
20052	`records_inserted`
20053	`records_updated`
20054	`records_deleted`
20055	`records_returned`
20056	`topic_matches`
20057	`matches`
20058	`msg_len`
20059	`sow_key`
20060	`gseq`
20061	`sids`
20062	`reason`
20063	N/A -- obsolete header (`MessageID`)
20074	`correlation_id` (used for AMPS/ClientStatus messages)

FIX/NVFIX Header Field	AMPS Protocol Field
20008	`ack_type`
20037	`bookmark`
20023	`batch_size`
20002	`client_name`
20000	`cmd`
20001	`cmd_id`
20035	`correlation_id`
20014	`data_only`
20012	`expiration`
20006	`filter`
20017	`lease_period`
20060	`gseq`
20015	`heartbeat`
20017	`leaseperiod`
20021	N/A -- obsolete header (`LogLevel`)
20057	`matches`
20063	N/A -- obsolete header (`MessageID`)
20058	`msg_len`
20007	`message_type`
20031	`max_msgs`
20039	`opts`
20038	`password`
20019	`query_id`
20062	`reason`
20054	`records_deleted`
20053	`records_inserted`
20055	`records_returned`
20036	`seq`
20029	`send_empty`
20033	`send_keys`
20020	`send_oof`
20013	N/A -- obsolete header (`SendSubscriptionIDs`)
20059	`sow_key`
20032	`sow_keys`
20034	`src`
20018	`status`
20009	`sub_id`
20061	`sids`
20016	`timeout_interval`
20025	`top_n`
20056	`topic_matches`
20005	`topic`
20004	`timestamp`
20022	`use_ns`
20003	`user_id`

The following table describes how the headers in the xml protocol are processed by AMPS.

XML Header Field	AMPS Protocol Equivalent
AckTyp	`ack_type`
BkMrk	`bookmark`
BtchSz	`batch_size`
ClntName	`client_name`
Cmd	`cmd`
CmdId	`cmd_id`
DatOnly	`data_only`
Expn	`expiration`
Fltr	`filter`
GrcPrd	N/A -- obsolete (`GracePeriod`)
GrpSqNum	`gseq`
Hrtbt	`heartbeat`
LeasePeriod	`lease_period`
LogLvl	N/A -- obsolete (`LogLevel)`
Matches	`matches`
MsgId	`MessageID`
MsgLen	`msg_len`
MsgTyp	`message_type`
MxMsgs	`max_msgs`
Opts	`opts`
PW	`password`
QId	`query_id`
Reason	`reason`
RecordsDeleted	`records_deleted`
RecordsReturned	`records_returned`
Seq	`seq`
SndEmpty	`send_empty`
SndKeys	`send_keys`
SndOOF	`send_oof`
SndSubIds	N/A -- obsolete (`SendSubscriptionIDs)`
SowKey	`sow_key`
SowKeys	`sow_keys`
Status	`status`
SubId	`sub_id`
SubIds	`sids`
TmIntvl	`timeout_interval`
TopN	`top_n`
TopicMatches	`topic_matches`
Tpc	`topic`
TxmTm	`timestamp`
UseNS	`use_ns`
UsrId	`user_id`
Version	`version`