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

use crate::consistency::Consistency;
use crate::error;
use crate::frame::traits::FromCursor;
use crate::frame::{Direction, Envelope, Flags, Opcode, Serialize, Version};
use crate::query::{QueryParams, QueryValues};
use crate::types::{from_cursor_str_long, serialize_str_long, CBytes, CInt, CLong, INT_LEN};
use std::io::Cursor;

/// Structure which represents body of Query request
#[derive(Debug, PartialEq, Eq, Clone, Default)]
pub struct BodyReqQuery {
    /// Query string.
    pub query: String,
    /// Query parameters.
    pub query_params: QueryParams,
}

impl BodyReqQuery {
    #[allow(clippy::too_many_arguments)]
    fn new(
        query: String,
        consistency: Consistency,
        values: Option<QueryValues>,
        with_names: bool,
        page_size: Option<CInt>,
        paging_state: Option<CBytes>,
        serial_consistency: Option<Consistency>,
        timestamp: Option<CLong>,
        keyspace: Option<String>,
        now_in_seconds: Option<CInt>,
    ) -> BodyReqQuery {
        BodyReqQuery {
            query,
            query_params: QueryParams {
                consistency,
                with_names,
                values,
                page_size,
                paging_state,
                serial_consistency,
                timestamp,
                keyspace,
                now_in_seconds,
            },
        }
    }
}

impl FromCursor for BodyReqQuery {
    fn from_cursor(cursor: &mut Cursor<&[u8]>, version: Version) -> error::Result<BodyReqQuery> {
        let query = from_cursor_str_long(cursor)?.to_string();
        let query_params = QueryParams::from_cursor(cursor, version)?;

        Ok(BodyReqQuery {
            query,
            query_params,
        })
    }
}

impl Serialize for BodyReqQuery {
    #[inline]
    fn serialize(&self, cursor: &mut Cursor<&mut Vec<u8>>, version: Version) {
        serialize_str_long(cursor, &self.query, version);
        self.query_params.serialize(cursor, version);
    }

    #[inline]
    fn serialize_to_vec(&self, version: Version) -> Vec<u8> {
        let mut buf = Vec::with_capacity(INT_LEN + self.query.len());

        self.serialize(&mut Cursor::new(&mut buf), version);
        buf
    }
}

impl Envelope {
    #[allow(clippy::too_many_arguments)]
    pub fn new_req_query(
        query: String,
        consistency: Consistency,
        values: Option<QueryValues>,
        with_names: bool,
        page_size: Option<CInt>,
        paging_state: Option<CBytes>,
        serial_consistency: Option<Consistency>,
        timestamp: Option<CLong>,
        keyspace: Option<String>,
        now_in_seconds: Option<CInt>,
        flags: Flags,
        version: Version,
    ) -> Envelope {
        let direction = Direction::Request;
        let opcode = Opcode::Query;
        let body = BodyReqQuery::new(
            query,
            consistency,
            values,
            with_names,
            page_size,
            paging_state,
            serial_consistency,
            timestamp,
            keyspace,
            now_in_seconds,
        );

        Envelope::new(
            version,
            direction,
            flags,
            opcode,
            0,
            body.serialize_to_vec(version),
            None,
            vec![],
        )
    }

    #[inline]
    pub fn new_query(query: BodyReqQuery, flags: Flags, version: Version) -> Envelope {
        Envelope::new_req_query(
            query.query,
            query.query_params.consistency,
            query.query_params.values,
            query.query_params.with_names,
            query.query_params.page_size,
            query.query_params.paging_state,
            query.query_params.serial_consistency,
            query.query_params.timestamp,
            query.query_params.keyspace,
            query.query_params.now_in_seconds,
            flags,
            version,
        )
    }
}