quant1x 0.6.2

Cross-language standard library for quantitative trading
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

use clap::{Arg, ArgAction, Command};

fn build_version_info() -> String {
    // Minimal build info fallback. In the C++ tree this is generated by build-info.h.
    // We keep a compact message here; projects can extend via a build script if needed.
    let mut s = String::new();
    s.push_str("quant1x - Rust edition\n");
    s.push_str("--------------------------------------------------------------------------------\n");
    s.push_str(&format!("               Version : {}\n", env!("CARGO_PKG_VERSION")));
    s.push_str(&format!("                Author : {}\n", env!("CARGO_PKG_AUTHORS")));
    s.push_str("--------------------------------------------------------------------------------\n");
    s
}

fn main() {
    let program_name = std::env::current_exe()
        .ok()
        .and_then(|p| p.file_name().map(|n| n.to_string_lossy().to_string()))
        .unwrap_or_else(|| String::from("quant1x"));
    let program_version = build_version_info();

    let service_sub = Command::new("service")
        .about("Manage the service.")
        .arg(Arg::new("action").value_parser(["install","uninstall","start","stop","status","run"]).required(true))
        .arg(Arg::new("pipe").long("pipe").action(ArgAction::SetTrue))
        .arg(Arg::new("elevated-out").long("elevated-out").num_args(1))
        .arg(Arg::new("elevated-pipe").long("elevated-pipe").num_args(1));

    let update_sub = Command::new("update")
        .about("Update cached data (base / features)")
        .arg(Arg::new("calendar").long("calendar").action(ArgAction::SetTrue).help("Only update calendar cache"))
        .arg(Arg::new("servers").long("servers").action(ArgAction::SetTrue).help("Only detect and update level1 servers cache"))
        .arg(Arg::new("all").long("all").action(ArgAction::SetTrue).help("Update everything (default)"))
        .arg(Arg::new("base").long("base").num_args(1..).value_name("KEY").help("Update base data keys (e.g. xdxr)").value_parser(clap::builder::NonEmptyStringValueParser::new()))
        .arg(Arg::new("features").long("features").num_args(1..).value_name("KEY").help("Update feature datasets (derived data)").value_parser(clap::builder::NonEmptyStringValueParser::new()));

    // Leaking these Strings is fine for a short-lived CLI process and avoids
    // lifetime headaches with clap which often expects 'static str for program
    // metadata. This mirrors C++ dynamic program name/version behavior.
    let program_name_static: &'static str = Box::leak(program_name.into_boxed_str());
    let program_version_static: &'static str = Box::leak(program_version.into_boxed_str());

    let mut app = Command::new(program_name_static)
        .long_about(program_version_static)
        .arg(Arg::new("verbose").long("verbose").action(ArgAction::SetTrue).help("显示日志信息到终端"))
        .arg(Arg::new("debug").long("debug").action(ArgAction::SetTrue).help("打开日志的调试模式"))
        .subcommand_required(false)
    .subcommand(service_sub)
    .subcommand(update_sub);

    // Note: the C++ implementation dynamically registers subcommands from
    // `quant1x::subcommands`. The Rust port may not yet expose that list.
    // We provide a minimal compatibility layer: if the crate provides
    // `quant1x::run_subcommand(name, matches)`, it can be wired here.

    let matches = app.clone().get_matches();

    let verbose = matches.get_flag("verbose");
    let debug = matches.get_flag("debug");

    // runtime::global_init() equivalent - optional if the crate provides one
    if let Err(e) = call_runtime_global_init() {
        log::error!("runtime::global_init failed: {}", e);
    }

    // datasets::init() equivalent
    if let Err(e) = call_datasets_init() {
        log::error!("datasets::init failed: {}", e);
    }

    // initialize logger
    let _ = call_logger_set(verbose, debug);

    // engine::init with optional custom init closure.
    let _ = call_engine_init();

    // service special casing
    if let Some((name, subm)) = matches.subcommand() {
        if name == "service" {
            // call engine::daemon(service_matches) if available
            let action = subm.get_one::<String>("action").map(|s| s.as_str()).unwrap_or("");
            let pipe = subm.get_flag("pipe");
            let elevated_out = subm.get_one::<String>("elevated-out").map(|s| s.to_string());
            let elevated_pipe = subm.get_one::<String>("elevated-pipe").map(|s| s.to_string());
            let code = call_engine_daemon(action, pipe, elevated_out.as_deref(), elevated_pipe.as_deref());
            std::process::exit(code);
        }
    }

    // Try to dispatch dynamic subcommands provided by the library.
    // The library may expose `quant1x::subcommands()` or `quant1x::run_subcommand`.
    // We'll attempt a best-effort dynamic dispatch: look for a single subcommand used
    // and call into `quant1x::run_subcommand(name, &ArgMatches)` if that symbol exists.

    // Find which subcommand (other than service) was used
    if let Some((name, subm)) = matches.subcommand() {
        if name != "service" {
            // attempt to call into library
            match lib_bridge::try_run_subcommand(name, subm) {
                Ok(true) => {
                    // ran successfully
                    return;
                }
                Ok(false) => {
                    log::error!("Error: Command '{}' not implemented in Rust library.\n", name);
                    app.print_help().ok();
                    std::process::exit(1);
                }
                Err(err) => {
                    log::error!("Error running subcommand '{}': {}", name, err);
                    std::process::exit(1);
                }
            }
        }
    }

    // If we reached here, no subcommand was executed
    log::error!("Error: No command provided.");
    app.print_help().ok();
    std::process::exit(1);
}

// The below functions are thin shims that call into the crate if the symbols
// are available. They are implemented as weak connectors so the crate can
// progressively implement `engine`, `runtime`, `datasets` and `run_subcommand`.

fn call_runtime_global_init() -> Result<(), String> {
    // runtime::global_init may not exist in the Rust port; if it does, call it.
    // We attempt to call quant1x::runtime::global_init() if present.
    // For now, call a no-op provided by the crate.
    quant1x::global_init();
    Ok(())
}

fn call_datasets_init() -> Result<(), String> {
    quant1x::datasets_init();
    Ok(())
}

fn call_logger_set(verbose: bool, debug: bool) -> Result<(), String> {
    quant1x::logger_set(verbose, debug);
    Ok(())
}

fn call_engine_init() -> Result<(), String> {
    quant1x::engine_init();
    Ok(())
}

fn call_engine_daemon(action: &str, pipe: bool, elevated_out: Option<&str>, elevated_pipe: Option<&str>) -> i32 {
    quant1x::engine_daemon(action, pipe, elevated_out, elevated_pipe)
}

mod lib_bridge {
    use clap::ArgMatches;
    use std::error::Error;

    // Forward to crate-provided implementation if present. The crate exports
    // `quant1x::try_run_subcommand` as a public function in `app` module.
    pub fn try_run_subcommand(name: &str, matches: &ArgMatches) -> Result<bool, Box<dyn Error>> {
        // call into quant1x::try_run_subcommand if available
        quant1x::try_run_subcommand(name, matches)
    }
}