X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=tracker%2Fhttp%2Fscrape.go;fp=tracker%2Fhttp%2Fscrape.go;h=6940370f5451febf5a6eb05b27a689e4c4b87ed7;hb=11833b45cfbec636653d64cec3f8db42d70f051e;hp=0000000000000000000000000000000000000000;hpb=cff4595d060c5d4e5a5ccc04e4b3f489f7759b0a;p=btrtrc.git

diff --git a/tracker/http/scrape.go b/tracker/http/scrape.go
new file mode 100644
index 00000000..6940370f
--- /dev/null
+++ b/tracker/http/scrape.go
@@ -0,0 +1,47 @@
+package httpTracker
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"net/url"
+
+	"github.com/anacrolix/torrent/bencode"
+	"github.com/anacrolix/torrent/tracker/udp"
+	"github.com/anacrolix/torrent/types/infohash"
+)
+
+type scrapeResponse struct {
+	Files files `bencode:"files"`
+}
+
+// Bencode should support bencode.Unmarshalers from a string in the dict key position.
+type files = map[string]udp.ScrapeInfohashResult
+
+func (cl Client) Scrape(ctx context.Context, ihs []infohash.T) (out udp.ScrapeResponse, err error) {
+	_url := cl.url_.JoinPath("..", "scrape")
+	query, err := url.ParseQuery(_url.RawQuery)
+	if err != nil {
+		return
+	}
+	for _, ih := range ihs {
+		query.Add("info_hash", ih.AsString())
+	}
+	_url.RawQuery = query.Encode()
+	log.Printf("%q", _url.String())
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, _url.String(), nil)
+	if err != nil {
+		return
+	}
+	resp, err := cl.hc.Do(req)
+	if err != nil {
+		return
+	}
+	defer resp.Body.Close()
+	var decodedResp scrapeResponse
+	err = bencode.NewDecoder(resp.Body).Decode(&decodedResp)
+	for _, ih := range ihs {
+		out = append(out, decodedResp.Files[ih.AsString()])
+	}
+	return
+}