[package]
name = "ump-ngx"
version = "0.0.2"
edition = "2021"
license = "0BSD"
# https://crates.io/category_slugs
categories = [ "concurrency", "asynchronous" ]
keywords = [ "ump-ng", "message-passing" ]
repository = "https://repos.qrnch.tech/pub/ump-ngx"
description = "Collection of ump-ng extensions."
rust-version = "1.56"
exclude = [
  ".fossil-settings",
  ".efiles",
  ".fslckout",
  "www",
  "bacon.toml",
  "rustfmt.toml"
]

# https://doc.rust-lang.org/cargo/reference/manifest.html#the-badges-section
[badges]
maintenance = { status = "experimental" }

[features]
#tokio = ["ump-ng-server/tokio"]
sqlsrv = ["dep:sqlsrv", "sqlsrv/tpool", "dep:threadpool"]

[dependencies]
sqlsrv = { version = "0.5.0", optional = true }
swctx = { version = "0.3.0" }
threadpool = { version = "1.8.1", optional = true }
ump-ng = { version = "0.2.0" }
ump-ng-server = { version = "0.4.0" }

[package.metadata.docs.rs]
all-features = true
rustdoc-args = ["--cfg", "docsrs", "--generate-link-to-definition"]

# This is a configuration file for the bacon tool
#
# Bacon repository: https://github.com/Canop/bacon
# Complete help on configuration: https://dystroy.org/bacon/config/
# You can also check bacon's own bacon.toml file
#  as an example: https://github.com/Canop/bacon/blob/main/bacon.toml

# For information about clippy lints, see:
# https://github.com/rust-lang/rust-clippy/blob/master/README.md

#default_job = "check"
default_job = "clippy-all-pedantic"

[jobs.check]
command = ["cargo", "check", "--color", "always"]
need_stdout = false

[jobs.check-all]
command = ["cargo", "check", "--all-targets", "--color", "always"]
need_stdout = false

# Run clippy on the default target
[jobs.clippy]
command = [
    "cargo", "clippy",
    "--color", "always",
]
need_stdout = false

# Run clippy on all targets
# To disable some lints, you may change the job this way:
#    [jobs.clippy-all]
#    command = [
#        "cargo", "clippy",
#        "--all-targets",
#        "--color", "always",
#    	 "--",
#    	 "-A", "clippy::bool_to_int_with_if",
#    	 "-A", "clippy::collapsible_if",
#    	 "-A", "clippy::derive_partial_eq_without_eq",
#    ]
# need_stdout = false
[jobs.clippy-all]
command = [
    "cargo", "clippy",
    "--all-targets",
    "--color", "always",
]
need_stdout = false

[jobs.clippy-pedantic]
command = [
    "cargo", "clippy",
    "--color", "always",
    "--",
    "-Wclippy::all",
    "-Wclippy::pedantic",
    "-Wclippy::nursery",
    "-Wclippy::cargo"
]
need_stdout = false

[jobs.clippy-all-pedantic]
command = [
    "cargo", "clippy",
    "--all-targets",
    "--color", "always",
    "--",
    "-Wclippy::all",
    "-Wclippy::pedantic",
    "-Wclippy::nursery",
    "-Wclippy::cargo"
]
need_stdout = false

# This job lets you run
# - all tests: bacon test
# - a specific test: bacon test -- config::test_default_files
# - the tests of a package: bacon test -- -- -p config
[jobs.test]
command = [
    "cargo", "test", "--color", "always",
    "--", "--color", "always", # see https://github.com/Canop/bacon/issues/124
]
need_stdout = true

[jobs.doc]
command = ["cargo", "doc", "--color", "always", "--no-deps"]
need_stdout = false

# If the doc compiles, then it opens in your browser and bacon switches
# to the previous job
[jobs.doc-open]
command = ["cargo", "doc", "--color", "always", "--no-deps", "--open"]
need_stdout = false
on_success = "back" # so that we don't open the browser at each change

# You can run your application and have the result displayed in bacon,
# *if* it makes sense for this crate.
# Don't forget the `--color always` part or the errors won't be
# properly parsed.
# If your program never stops (eg a server), you may set `background`
# to false to have the cargo run output immediately displayed instead
# of waiting for program's end.
[jobs.run]
command = [
    "cargo", "run",
    "--color", "always",
    # put launch parameters for your program behind a `--` separator
]
need_stdout = true
allow_warnings = true
background = true

# This parameterized job runs the example of your choice, as soon
# as the code compiles.
# Call it as
#    bacon ex -- my-example
[jobs.ex]
command = ["cargo", "run", "--color", "always", "--example"]
need_stdout = true
allow_warnings = true

# You may define here keybindings that would be specific to
# a project, for example a shortcut to launch a specific job.
# Shortcuts to internal functions (scrolling, toggling, etc.)
# should go in your personal global prefs.toml file instead.
[keybindings]
# alt-m = "job:my-job"
c = "job:clippy-all" # comment this to have 'c' run clippy on only the default target

blank_lines_upper_bound = 2
comment_width = 79
edition = "2021"
format_strings = true
max_width = 79
match_block_trailing_comma = false
# merge_imports = true
newline_style = "Unix"
tab_spaces = 2
trailing_comma = "Never"
unstable_features = true
wrap_comments = true
#reorder_imports = false
#reorder_modules = false

//! Integration utilities for creating sqlsrv handlers.



use super::{r2d2, rusqlite, ConnPool, WrConn};

use rusqlite::Connection;

use threadpool::ThreadPool;

use ump_ng::ReplyContext;

pub enum Error<E> {
  R2D2(r2d2::Error),
  App(E)
}


/// Process a requested read-only database operation message.
pub fn proc_rodb_req<R, E, F>(
  cpool: &ConnPool,
  rctx: ReplyContext<R, E>,
  f: F
) -> Result<(), r2d2::Error>
where
  R: Send + 'static,
  E: std::error::Error + Send + 'static,
  F: FnOnce(&Connection) -> Result<R, E> + Send + 'static
{
  let roconn = cpool.reader()?;

  let res = match f(&roconn) {
    Ok(reply) => rctx.reply(reply),
    Err(e) => rctx.fail(e)
  };
  if let Err(e) = res {

    eprintln!("Reply message pass failed; {}", e);
  }

  Ok(())
}

/// Process a requested read-only database message on a thread pool.

  cpool: &ConnPool,
  tpool: &ThreadPool,
  rctx: ReplyContext<R, E>,
  f: F
) -> Result<(), r2d2::Error>
where
  R: Send + 'static,
  E: std::error::Error + Send + 'static,
  F: FnOnce(&Connection) -> Result<R, E> + Send + 'static
{
  let roconn = cpool.reader()?;

  tpool.execute(move || {
    let res = match f(&roconn) {
      Ok(reply) => rctx.reply(reply),
      Err(e) => rctx.fail(e)
    };
    if let Err(e) = res {

      eprintln!("Reply message pass failed; {}", e);
    }
  });

  Ok(())
}


/// Process a requested read/write database message.
pub fn proc_rwdb_req<R, E, F>(cpool: &ConnPool, rctx: ReplyContext<R, E>, f: F)
where
  R: Send + 'static,
  E: std::error::Error + Send + 'static,
  F: FnOnce(&mut WrConn) -> Result<R, E> + Send + 'static
{
  let mut conn = cpool.writer();

  let res = match f(&mut conn) {
    Ok(reply) => rctx.reply(reply),
    Err(e) => rctx.fail(e)
  };
  if let Err(e) = res {

    eprintln!("Reply message pass failed; {}", e);
  }
}


/// Process a requested read/write database message on a thread pool.
///
/// The read/write database connection will be acquired from the connection
/// pool `cpool`.  The tread will be launched on the thread pool `tpool`.
///
/// The closure `f` returns a `Result<T, E>`, where the `Ok(T)` case will pass
/// the `T` to the `rctx`'s [`reply()`](ReplyContext::reply), and `Err(E)` will
/// pass the `E` to [`fail()`](ReplyContext::fail).
pub fn proc_rwdb_req_thrd<R, E, F>(
  cpool: &ConnPool,
  tpool: &ThreadPool,
  rctx: ReplyContext<R, E>,
  f: F
) where
  R: Send + 'static,
  E: std::error::Error + Send + 'static,
  F: FnOnce(&mut WrConn) -> Result<R, E> + Send + 'static
{
  let mut rwconn = cpool.writer();

  tpool.execute(move || {
    let res = match f(&mut rwconn) {
      Ok(reply) => rctx.reply(reply),
      Err(e) => rctx.fail(e)
    };
    if let Err(e) = res {

      eprintln!("Reply message pass failed; {}", e);
    }
  });
}

// vim: set ft=rust et sw=2 ts=2 sts=2 cinoptions=2 tw=79 :