1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174

// Copyright 2016 James Bendig. See the COPYRIGHT file at the top-level
// directory of this distribution.
//
// Licensed under:
//   the MIT license
//     <LICENSE-MIT or https://opensource.org/licenses/MIT>
//   or the Apache License, Version 2.0
//     <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0>,
// at your option. This file may not be copied, modified, or distributed
// except according to those terms.

use std::fmt;

use dictionary::fields::{MsgSeqNum,OrigSendingTime,SenderCompID,SendingTime,TargetCompID};
use field::Field;
use field_type::FieldType;
use fix_version::FIXVersion;
use message::{BuildMessage,Message};
use message_version::MessageVersion;

pub trait BuildFIXTMessage: BuildMessage {
    fn new_into_box(&self) -> Box<BuildFIXTMessage + Send>;
    fn build(&self) -> Box<FIXTMessage + Send>;
}

pub trait FIXTMessageBuildable {
    fn builder(&self) -> Box<BuildFIXTMessage + Send>;
}

pub trait FIXTMessage: Message {
    fn new_into_box(&self) -> Box<FIXTMessage + Send>;
    fn msg_type(&self) -> &'static [u8];
    fn msg_seq_num(&self) -> <<MsgSeqNum as Field>::Type as FieldType>::Type;
    fn sender_comp_id(&self) -> &<<SenderCompID as Field>::Type as FieldType>::Type;
    fn target_comp_id(&self) -> &<<TargetCompID as Field>::Type as FieldType>::Type;
    fn set_appl_ver_id(&mut self,message_version: MessageVersion);
    fn is_poss_dup(&self) -> bool;
    fn set_is_poss_dup(&mut self,is_poss_dup: bool);
    fn sending_time(&self) -> <<SendingTime as Field>::Type as FieldType>::Type;
    fn orig_sending_time(&self) -> <<OrigSendingTime as Field>::Type as FieldType>::Type;
    fn set_orig_sending_time(&mut self,orig_sending_time: <<OrigSendingTime as Field>::Type as FieldType>::Type);
    fn setup_fixt_session_header(&mut self,
                                 msg_seq_num: Option<<<MsgSeqNum as Field>::Type as FieldType>::Type>,
                                 sender_comp_id: <<SenderCompID as Field>::Type as FieldType>::Type,
                                 target_comp_id: <<TargetCompID as Field>::Type as FieldType>::Type);
}

pub fn debug_format_fixt_message(message: &FIXTMessage, f: &mut fmt::Formatter) -> fmt::Result {
    let mut buffer = Vec::new();
    message.read(FIXVersion::FIXT_1_1,MessageVersion::FIX50SP2,&mut buffer);
    let buffer: Vec<u8> = buffer.into_iter().map(|c| if c == b'\x01' { b'|' } else { c } ).collect();
    write!(f,"{:?}",String::from_utf8_lossy(&buffer[..]))
}

impl fmt::Debug for FIXTMessage + Send {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        debug_format_fixt_message(self,f)
    }
}

#[macro_export]
macro_rules! define_fixt_message {
    ( $message_name:ident $( : $message_type:expr => )* { $( $field_required:expr, $field_name:ident : $field_type:ty [$( $version:tt )*] $(=> REQUIRED_WHEN $required_when_expr:expr)* ),* $(),* } ) => {
        define_message!($message_name $( : $message_type => )* {
            //Standard Header
            //Note: BeginStr, BodyLength, and MsgType are built into parser.
            $crate::message::REQUIRED, sender_comp_id: $crate::dictionary::fields::SenderCompID [FIX40..], //Must be first here to be 4th field when serialized.
            $crate::message::REQUIRED, target_comp_id: $crate::dictionary::fields::TargetCompID [FIX40..], //Must be second here to be 5th field when serialized.
            //TODO: This and the following three tags should not be ever used with Logon, Logout, Reject, ResendRequest, SequenceReset, TestRequest, and Heartbeat.
            $crate::message::NOT_REQUIRED, appl_ver_id: $crate::dictionary::fields::ApplVerID [FIX40..],  //Must be third here to be 6th field when serialized. Note: This field uses Rule::RequiresFIXVersion(FIXVersion::FIXT_1_1) to be excluded at the FIX level instead of the message level. This way it's processed correctly when using versioned messages. So leave message version as [FIX40..].
            $crate::message::NOT_REQUIRED, appl_ext_id: $crate::dictionary::fields::ApplExtID [FIX50SP1..],
            $crate::message::NOT_REQUIRED, cstm_appl_ver_id: $crate::dictionary::fields::CstmApplVerID [FIX50..],
            $crate::message::NOT_REQUIRED, on_behalf_of_comp_id: $crate::dictionary::fields::OnBehalfOfCompID [FIX40..],
            $crate::message::NOT_REQUIRED, deliver_to_comp_id: $crate::dictionary::fields::DeliverToCompID [FIX40..],
            $crate::message::NOT_REQUIRED, secure_data_len: $crate::dictionary::fields::SecureDataLen [FIX40..],
            $crate::message::NOT_REQUIRED, secure_data: $crate::dictionary::fields::SecureData [FIX40..],
            $crate::message::REQUIRED, msg_seq_num: $crate::dictionary::fields::MsgSeqNum [FIX40..],
            $crate::message::NOT_REQUIRED, sender_sub_id: $crate::dictionary::fields::SenderSubID [FIX40..],
            $crate::message::NOT_REQUIRED, sender_location_id: $crate::dictionary::fields::SenderLocationID [FIX41..],
            $crate::message::NOT_REQUIRED, target_sub_id: $crate::dictionary::fields::TargetSubID [FIX40..],
            $crate::message::NOT_REQUIRED, target_location_id: $crate::dictionary::fields::TargetLocationID [FIX41..],
            $crate::message::NOT_REQUIRED, on_behalf_of_sub_id: $crate::dictionary::fields::OnBehalfOfSubID [FIX40..],
            $crate::message::NOT_REQUIRED, on_behalf_of_location_id: $crate::dictionary::fields::OnBehalfOfLocationID [FIX41..],
            $crate::message::NOT_REQUIRED, deliver_to_sub_id: $crate::dictionary::fields::DeliverToSubID [FIX40..],
            $crate::message::NOT_REQUIRED, deliver_to_location_id: $crate::dictionary::fields::DeliverToLocationID [FIX41..],
            $crate::message::NOT_REQUIRED, poss_dup_flag: $crate::dictionary::fields::PossDupFlag [FIX40..],
            $crate::message::NOT_REQUIRED, poss_resend: $crate::dictionary::fields::PossResend [FIX40..],
            $crate::message::REQUIRED, sending_time: $crate::dictionary::fields::SendingTime [FIX40..],
            $crate::message::NOT_REQUIRED, orig_sending_time: $crate::dictionary::fields::OrigSendingTime [FIX40..] => REQUIRED_WHEN |message: &$message_name,_| { message.poss_dup_flag },
            $crate::message::NOT_REQUIRED, xml_data_len: $crate::dictionary::fields::XmlDataLen [FIX42..],
            $crate::message::NOT_REQUIRED, xml_data: $crate::dictionary::fields::XmlData [FIX42..],
            $crate::message::NOT_REQUIRED, message_encoding: $crate::dictionary::fields::MessageEncoding [FIX42..],
            $crate::message::NOT_REQUIRED, last_msg_seq_num_processed: $crate::dictionary::fields::LastMsgSeqNumProcessed [FIX42..],
            $crate::message::NOT_REQUIRED, on_behalf_of_sending_time: $crate::dictionary::fields::OnBehalfOfSendingTime [FIX42..FIX43],
            $crate::message::NOT_REQUIRED, hops: $crate::dictionary::fields::NoHops [FIX43..],

            //Other
            $( $field_required, $field_name : $field_type [$( $version )*] $(=> REQUIRED_WHEN $required_when_expr)*, )*

            //Standard Footer
            //Note: Checksum is built into parser.
            $crate::message::NOT_REQUIRED, signature_length: $crate::dictionary::fields::SignatureLength [FIX40..],
            $crate::message::NOT_REQUIRED, signature: $crate::dictionary::fields::Signature [FIX40..],
        });

        impl $message_name {
            #[allow(unreachable_code)]
            pub fn msg_type() -> &'static [u8] {
                $( return $message_type )*; //Only one message type can be specified.

                b""
            }
        }

        impl $crate::fixt::message::FIXTMessage for $message_name {
            fn new_into_box(&self) -> Box<$crate::fixt::message::FIXTMessage + Send> {
                Box::new($message_name::new())
            }

            fn msg_type(&self) -> &'static [u8] {
                $message_name::msg_type()
            }

            fn msg_seq_num(&self) -> <<$crate::dictionary::fields::MsgSeqNum as $crate::field::Field>::Type as $crate::field_type::FieldType>::Type {
                self.msg_seq_num
            }

            fn sender_comp_id(&self) -> &<<$crate::dictionary::fields::SenderCompID as $crate::field::Field>::Type as $crate::field_type::FieldType>::Type {
                &self.sender_comp_id
            }

            fn target_comp_id(&self) -> &<<$crate::dictionary::fields::TargetCompID as $crate::field::Field>::Type as $crate::field_type::FieldType>::Type {
                &self.target_comp_id
            }

            fn set_appl_ver_id(&mut self,appl_ver_id: $crate::message_version::MessageVersion) {
                self.appl_ver_id = Some(appl_ver_id);
            }

            fn is_poss_dup(&self) -> bool {
                self.poss_dup_flag
            }

            fn set_is_poss_dup(&mut self,is_poss_dup: bool) {
                self.poss_dup_flag = is_poss_dup;
            }

            fn sending_time(&self) -> <<$crate::dictionary::fields::SendingTime as $crate::field::Field>::Type as $crate::field_type::FieldType>::Type {
                self.sending_time
            }

            fn orig_sending_time(&self) -> <<$crate::dictionary::fields::OrigSendingTime as $crate::field::Field>::Type as $crate::field_type::FieldType>::Type {
                self.orig_sending_time
            }

            fn set_orig_sending_time(&mut self,orig_sending_time: <<$crate::dictionary::fields::OrigSendingTime as $crate::field::Field>::Type as $crate::field_type::FieldType>::Type) {
                self.orig_sending_time = orig_sending_time;
            }

            fn setup_fixt_session_header(&mut self,
                                         msg_seq_num: Option<<<$crate::dictionary::fields::MsgSeqNum as $crate::field::Field>::Type as $crate::field_type::FieldType>::Type>,
                                         sender_comp_id: <<$crate::dictionary::fields::SenderCompID as $crate::field::Field>::Type as $crate::field_type::FieldType>::Type,
                                         target_comp_id: <<$crate::dictionary::fields::TargetCompID as $crate::field::Field>::Type as $crate::field_type::FieldType>::Type) {
                if let Some(msg_seq_num) = msg_seq_num {
                    self.msg_seq_num = msg_seq_num;
                }
                self.sender_comp_id = sender_comp_id;
                self.target_comp_id = target_comp_id;
                self.sending_time = <$crate::dictionary::fields::SendingTime as $crate::field::Field>::Type::new_now();
            }
        }
    };
}