tlocks.nim « stdlib « tests - Nim - This repository contains the Nim compiler, Nim's stdlib, tools, and documentation. (mirror)

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path: root/tests/stdlib/tlocks.nim

blob: 9ce9afd1309b59c12c0808f1f56e5d73fcced70f (plain) (blame)

discard """
  targets: "c cpp js"
  matrix: "--threads:on"
"""

#bug #6049
import uselocks
import std/assertions

var m = createMyType[int]()
doAssert m.use() == 3

8; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */

package svc // import "github.com/getwtxt/getwtxt/svc"

import (
	"crypto/sha256"
	"fmt"
	"log"
	"net/http"
	"strconv"
	"strings"
	"sync"

	"github.com/getwtxt/registry"
	"github.com/gorilla/mux"
)

func apiErrCheck(err error, r *http.Request) {
	if err != nil {
		uip := getIPFromCtx(r.Context())
		log.Printf("*** %v :: %v %v :: %v\n", uip, r.Method, r.URL, err.Error())
	}
}

func dedupe(list []string) []string {
	out := []string{}
	seen := make(map[string]bool)

	for _, e := range list {
		if !seen[e] {
			out = append(out, e)
			seen[e] = true
		}
	}

	return out
}

// Takes the output of queries and formats it for
// an HTTP response. Iterates over the string slice,
// appending each entry to a byte slice, and adding
// newlines where appropriate.
func parseQueryOut(out []string) []byte {
	var data []byte

	for i, e := range out {
		data = append(data, []byte(e)...)

		if !strings.HasSuffix(e, "\n") && i != len(out)-1 {
			data = append(data, byte('\n'))
		}
	}

	return data
}

// apiEndpointQuery is called via apiEndpointHandler when
// the endpoint is "users" and r.FormValue("q") is not empty.
// It queries the registry cache for users or user URLs
// matching the term supplied via r.FormValue("q")
func apiEndpointQuery(w http.ResponseWriter, r *http.Request) error {
	query := r.FormValue("q")
	urls := r.FormValue("url")
	pageVal := r.FormValue("page")
	var out []string
	var err error

	pageVal = strings.TrimSpace(pageVal)
	page, err := strconv.Atoi(pageVal)
	errLog("", err)

	vars := mux.Vars(r)
	endpoint := vars["endpoint"]

	// Handle user URL queries first, then nickname queries.
	// Concatenate both outputs if they're both set.
	// Also handle mention queries and status queries.
	// If we made it this far and 'default' is matched,
	// something went very wrong.
	switch endpoint {
	case "users":
		var out2 []string
		if query != "" {
			out, err = twtxtCache.QueryUser(query)
			apiErrCheck(err, r)
		}
		if urls != "" {
			out2, err = twtxtCache.QueryUser(urls)
			apiErrCheck(err, r)
		}

		if query != "" && urls != "" {
			out = joinQueryOuts(out2)
		}

	case "mentions":
		if urls == "" {
			return fmt.Errorf("missing URL in mention query")
		}
		urls += ">"
		out, err = twtxtCache.QueryInStatus(urls)
		apiErrCheck(err, r)

	case "tweets":
		out = compositeStatusQuery(query, r)

	default:
		return fmt.Errorf("endpoint query, no cases match")
	}

	out = registry.ReduceToPage(page, out)
	data := parseQueryOut(out)

	etag := fmt.Sprintf("%x", sha256.Sum256(data))
	w.Header().Set("ETag", etag)
	w.Header().Set("Content-Type", txtutf8)

	_, err = w.Write(data)

	return err
}

func joinQueryOuts(data ...[]string) []string {
	single := []string{}
	for _, e := range data {
		single = append(single, e...)
	}

	return dedupe(single)
}

func compositeStatusQuery(query string, r *http.Request) []string {
	var wg sync.WaitGroup
	var out, out2, out3 []string
	var err, err2, err3 error

	wg.Add(3)

	query = strings.ToLower(query)
	go func(query string) {
		out, err = twtxtCache.QueryInStatus(query)
		wg.Done()
	}(query)

	query = strings.Title(query)
	go func(query string) {
		out2, err2 = twtxtCache.QueryInStatus(query)
		wg.Done()
	}(query)

	query = strings.ToUpper(query)
	go func(query string) {
		out3, err3 = twtxtCache.QueryInStatus(query)
		wg.Done()
	}(query)

	wg.Wait()

	apiErrCheck(err, r)
	apiErrCheck(err2, r)
	apiErrCheck(err3, r)

	return joinQueryOuts(out, out2, out3)
}