[PATCH 21/23] http: use new http API in fetch_index()

[Tay Ray Chuan <rctay89@xxxxxxxxx>]

Signed-off-by: Tay Ray Chuan <rctay89@xxxxxxxxx>
---
 http.c |   81 ++++++---------------------------------------------------------
 1 files changed, 8 insertions(+), 73 deletions(-)

diff --git a/http.c b/http.c
index 96d83d5..0701a6f 100644
--- a/http.c
+++ b/http.c
@@ -798,40 +798,22 @@ static int fetch_pack_index(unsigned char *sha1, const char *base_url)
 	char *hex = xstrdup(sha1_to_hex(sha1));
 	char *filename;
 	char *url;
-	char tmpfile[PATH_MAX];
-	long prev_posn = 0;
-	char range[RANGE_HEADER_SIZE];
 	struct strbuf buf = STRBUF_INIT;
-	struct curl_slist *range_header = NULL;
-
-	FILE *indexfile;
-	struct active_request_slot *slot;
-	struct slot_results results;

 	/* Don't use the index if the pack isn't there */
 	end_url_with_slash(&buf, base_url);
 	strbuf_addf(&buf, "objects/pack/pack-%s.pack", hex);
 	url = strbuf_detach(&buf, 0);

-	slot = get_active_slot();
-	slot->results = &results;
-	curl_easy_setopt(slot->curl, CURLOPT_URL, url);
-	curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1);
-	if (start_active_slot(slot)) {
-		run_active_slot(slot);
-		if (results.curl_result != CURLE_OK) {
-			ret = error("Unable to verify pack %s is available",
-				    hex);
-			goto cleanup_pack;
-		}
-	} else {
-		ret = error("Unable to start request");
-		goto cleanup_pack;
+	if (http_get_strbuf(url, NULL, 0)) {
+		ret = error("Unable to verify pack %s is available",
+			    hex);
+		goto cleanup;
 	}

 	if (has_pack_index(sha1)) {
 		ret = 0;
-		goto cleanup_pack;
+		goto cleanup;
 	}

 	if (http_is_verbose)
@@ -842,57 +824,10 @@ static int fetch_pack_index(unsigned char *sha1, const char *base_url)
 	url = strbuf_detach(&buf, NULL);

 	filename = sha1_pack_index_name(sha1);
-	snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename);
-	indexfile = fopen(tmpfile, "a");
-	if (!indexfile) {
-		ret = error("Unable to open local file %s for pack index",
-			    tmpfile);
-		goto cleanup_pack;
-	}
+	if (http_get_file(url, filename, 0) != HTTP_OK)
+		ret = error("Unable to get pack index %s\n", url);

-	slot = get_active_slot();
-	slot->results = &results;
-	curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
-	curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
-	curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile);
-	curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite);
-	curl_easy_setopt(slot->curl, CURLOPT_URL, url);
-	curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header);
-	slot->local = indexfile;
-
-	/*
-	 * If there is data present from a previous transfer attempt,
-	 * resume where it left off
-	 */
-	prev_posn = ftell(indexfile);
-	if (prev_posn>0) {
-		if (http_is_verbose)
-			fprintf(stderr,
-				"Resuming fetch of index for pack %s at byte %ld\n",
-				hex, prev_posn);
-		sprintf(range, "Range: bytes=%ld-", prev_posn);
-		range_header = curl_slist_append(range_header, range);
-		curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header);
-	}
-
-	if (start_active_slot(slot)) {
-		run_active_slot(slot);
-		if (results.curl_result != CURLE_OK) {
-			ret = error("Unable to get pack index %s\n%s",
-				    url, curl_errorstr);
-			goto cleanup_index;
-		}
-	} else {
-		ret = error("Unable to start request");
-		goto cleanup_index;
-	}
-
-	ret = move_temp_to_file(tmpfile, filename);
-
-cleanup_index:
-	fclose(indexfile);
-	slot->local = NULL;
-cleanup_pack:
+cleanup:
 	free(hex);
 	free(url);
 	return ret;
--
1.6.3.1

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