easyfix_session/
session_id.rs

1use core::fmt;
2
3use easyfix_messages::{
4    fields::{FixStr, FixString},
5    messages::{FixtMessage, Header},
6};
7use serde::Deserialize;
8
9#[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq)]
10pub struct SessionId {
11    begin_string: FixString,
12    sender_comp_id: FixString,
13    target_comp_id: FixString,
14    session_qualifier: String,
15}
16
17impl fmt::Display for SessionId {
18    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
19        if self.session_qualifier.is_empty() {
20            write!(
21                f,
22                "{}: {} -> {}",
23                self.begin_string, self.sender_comp_id, self.target_comp_id
24            )
25        } else {
26            write!(
27                f,
28                "{}: {} -> {} ({})",
29                self.begin_string, self.sender_comp_id, self.target_comp_id, self.session_qualifier
30            )
31        }
32    }
33}
34
35impl SessionId {
36    pub fn new(
37        begin_string: FixString,
38        sender_comp_id: FixString,
39        target_comp_id: FixString,
40    ) -> SessionId {
41        SessionId {
42            begin_string,
43            sender_comp_id,
44            target_comp_id,
45            session_qualifier: String::new(),
46        }
47    }
48
49    pub fn with_session_qualifier(
50        begin_string: FixString,
51        sender_comp_id: FixString,
52        target_comp_id: FixString,
53        session_qualifier: String,
54    ) -> SessionId {
55        SessionId {
56            begin_string,
57            sender_comp_id,
58            target_comp_id,
59            session_qualifier,
60        }
61    }
62
63    pub fn from_input_msg(msg: &FixtMessage) -> SessionId {
64        SessionId::from_input_header(&msg.header)
65    }
66
67    pub fn from_input_header(header: &Header) -> SessionId {
68        SessionId::new(
69            header.begin_string.clone(),
70            header.target_comp_id.clone(),
71            header.sender_comp_id.clone(),
72        )
73    }
74
75    pub fn from_output_msg(msg: &FixtMessage) -> SessionId {
76        SessionId::from_output_header(&msg.header)
77    }
78
79    pub fn from_output_header(header: &Header) -> SessionId {
80        SessionId::new(
81            header.begin_string.clone(),
82            header.sender_comp_id.clone(),
83            header.target_comp_id.clone(),
84        )
85    }
86
87    pub fn reverse_route(mut self) -> SessionId {
88        std::mem::swap(&mut self.sender_comp_id, &mut self.target_comp_id);
89        self
90    }
91
92    pub fn begin_string(&self) -> &FixStr {
93        &self.begin_string
94    }
95
96    pub fn sender_comp_id(&self) -> &FixStr {
97        &self.sender_comp_id
98    }
99
100    pub fn target_comp_id(&self) -> &FixStr {
101        &self.target_comp_id
102    }
103
104    pub fn session_qualifier(&self) -> &str {
105        &self.session_qualifier
106    }
107
108    pub fn is_fixt(&self) -> bool {
109        self.begin_string.as_utf8().starts_with("FIXT")
110    }
111}