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http-push: refactor curl_easy_setup madness
authorDan McGee <dpmcgee@gmail.com>
Tue, 3 May 2011 15:47:29 +0000 (23:47 +0800)
committerJunio C Hamano <gitster@pobox.com>
Wed, 4 May 2011 20:30:28 +0000 (13:30 -0700)
We were doing (nearly) the same thing all over the place, in slightly
different orders, different variable names, etc. Refactor most calls
into two helper functions, one for GET and one for everything else, that
do the heavy lifting leaving most callsites a lot cleaner in the
process.

Note that the setting of CURLOPT_PUT at the callsites of
curl_setup_http() which previously didn't do it (eg.
locking_available(), remote_ls()) is safe, since that
option is deprecated in libcurl in place of, and has the same effect as,
CURLOPT_UPLOAD.

Signed-off-by: Dan McGee <dpmcgee@gmail.com>
Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
http-push.c patch | blob | history

diff --git a/http-push.c b/http-push.c
index 0fce38dab5ffe80834a92f8462879180099475d8..28bfe768f7749e455f522fcfedeb2350da646416 100644 (file)
--- a/http-push.c
+++ b/http-push.c
@@ -197,6 +197,34 @@ static char *xml_entities(const char *s)
        return strbuf_detach(&buf, NULL);
 }
 
+static void curl_setup_http_get(CURL *curl, const char *url,
+               const char *custom_req)
+{
+       curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
+       curl_easy_setopt(curl, CURLOPT_URL, url);
+       curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, custom_req);
+       curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite_null);
+}
+
+static void curl_setup_http(CURL *curl, const char *url,
+               const char *custom_req, struct buffer *buffer,
+               curl_write_callback write_fn)
+{
+       curl_easy_setopt(curl, CURLOPT_PUT, 1);
+       curl_easy_setopt(curl, CURLOPT_URL, url);
+       curl_easy_setopt(curl, CURLOPT_INFILE, buffer);
+       curl_easy_setopt(curl, CURLOPT_INFILESIZE, buffer->buf.len);
+       curl_easy_setopt(curl, CURLOPT_READFUNCTION, fread_buffer);
+#ifndef NO_CURL_IOCTL
+       curl_easy_setopt(curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
+       curl_easy_setopt(curl, CURLOPT_IOCTLDATA, &buffer);
+#endif
+       curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_fn);
+       curl_easy_setopt(curl, CURLOPT_NOBODY, 0);
+       curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, custom_req);
+       curl_easy_setopt(curl, CURLOPT_UPLOAD, 1);
+}
+
 static struct curl_slist *get_dav_token_headers(struct remote_lock *lock, enum dav_header_flag options)
 {
        struct strbuf buf = STRBUF_INIT;
@@ -272,11 +300,8 @@ static void start_mkcol(struct transfer_request *request)
        slot = get_active_slot();
        slot->callback_func = process_response;
        slot->callback_data = request;
-       curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */
-       curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
+       curl_setup_http_get(slot->curl, request->url, DAV_MKCOL);
        curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr);
-       curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL);
-       curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
 
        if (start_active_slot(slot)) {
                request->slot = slot;
@@ -395,19 +420,8 @@ static void start_put(struct transfer_request *request)
        slot = get_active_slot();
        slot->callback_func = process_response;
        slot->callback_data = request;
-       curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.buf.len);
-       curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
-#ifndef NO_CURL_IOCTL
-       curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &request->buffer);
-#endif
-       curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
-       curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
-       curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
-       curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
-       curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
-       curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
+       curl_setup_http(slot->curl, request->url, DAV_PUT,
+                       &request->buffer, fwrite_null);
 
        if (start_active_slot(slot)) {
                request->slot = slot;
@@ -427,13 +441,10 @@ static void start_move(struct transfer_request *request)
        slot = get_active_slot();
        slot->callback_func = process_response;
        slot->callback_data = request;
-       curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */
-       curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MOVE);
+       curl_setup_http_get(slot->curl, request->url, DAV_MOVE);
        dav_headers = curl_slist_append(dav_headers, request->dest);
        dav_headers = curl_slist_append(dav_headers, "Overwrite: T");
        curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
-       curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
-       curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
 
        if (start_active_slot(slot)) {
                request->slot = slot;
@@ -458,10 +469,7 @@ static int refresh_lock(struct remote_lock *lock)
 
        slot = get_active_slot();
        slot->results = &results;
-       curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
-       curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
-       curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
-       curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK);
+       curl_setup_http_get(slot->curl, lock->url, DAV_LOCK);
        curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
 
        if (start_active_slot(slot)) {
@@ -876,10 +884,7 @@ static struct remote_lock *lock_remote(const char *path, long timeout)
                ep[1] = '\0';
                slot = get_active_slot();
                slot->results = &results;
-               curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
-               curl_easy_setopt(slot->curl, CURLOPT_URL, url);
-               curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL);
-               curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
+               curl_setup_http_get(slot->curl, url, DAV_MKCOL);
                if (start_active_slot(slot)) {
                        run_active_slot(slot);
                        if (results.curl_result != CURLE_OK &&
@@ -909,19 +914,9 @@ static struct remote_lock *lock_remote(const char *path, long timeout)
 
        slot = get_active_slot();
        slot->results = &results;
-       curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
-       curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
-#ifndef NO_CURL_IOCTL
-       curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
-#endif
-       curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_URL, url);
-       curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
-       curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK);
+       curl_setup_http(slot->curl, url, DAV_LOCK, &out_buffer, fwrite_buffer);
        curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
+       curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
 
        lock = xcalloc(1, sizeof(*lock));
        lock->timeout = -1;
@@ -987,9 +982,7 @@ static int unlock_remote(struct remote_lock *lock)
 
        slot = get_active_slot();
        slot->results = &results;
-       curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
-       curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
-       curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK);
+       curl_setup_http_get(slot->curl, lock->url, DAV_UNLOCK);
        curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
 
        if (start_active_slot(slot)) {
@@ -1167,19 +1160,10 @@ static void remote_ls(const char *path, int flags,
 
        slot = get_active_slot();
        slot->results = &results;
-       curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
-       curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
-#ifndef NO_CURL_IOCTL
-       curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
-#endif
-       curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_URL, url);
-       curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
-       curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND);
+       curl_setup_http(slot->curl, url, DAV_PROPFIND,
+                       &out_buffer, fwrite_buffer);
        curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
+       curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
 
        if (start_active_slot(slot)) {
                run_active_slot(slot);
@@ -1250,19 +1234,10 @@ static int locking_available(void)
 
        slot = get_active_slot();
        slot->results = &results;
-       curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
-       curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
-#ifndef NO_CURL_IOCTL
-       curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
-#endif
-       curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_URL, repo->url);
-       curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
-       curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND);
+       curl_setup_http(slot->curl, repo->url, DAV_PROPFIND,
+                       &out_buffer, fwrite_buffer);
        curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
+       curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
 
        if (start_active_slot(slot)) {
                run_active_slot(slot);
@@ -1436,19 +1411,9 @@ static int update_remote(unsigned char *sha1, struct remote_lock *lock)
 
        slot = get_active_slot();
        slot->results = &results;
-       curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
-       curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
-#ifndef NO_CURL_IOCTL
-       curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
-       curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
-#endif
-       curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
-       curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
+       curl_setup_http(slot->curl, lock->url, DAV_PUT,
+                       &out_buffer, fwrite_null);
        curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
-       curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
-       curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
-       curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
 
        if (start_active_slot(slot)) {
                run_active_slot(slot);
@@ -1572,19 +1537,9 @@ static void update_remote_info_refs(struct remote_lock *lock)
 
                slot = get_active_slot();
                slot->results = &results;
-               curl_easy_setopt(slot->curl, CURLOPT_INFILE, &buffer);
-               curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, buffer.buf.len);
-               curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
-#ifndef NO_CURL_IOCTL
-               curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
-               curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &buffer);
-#endif
-               curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
-               curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
+               curl_setup_http(slot->curl, lock->url, DAV_PUT,
+                               &buffer, fwrite_null);
                curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
-               curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
-               curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
-               curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
 
                if (start_active_slot(slot)) {
                        run_active_slot(slot);
@@ -1742,10 +1697,7 @@ static int delete_remote_branch(const char *pattern, int force)
        sprintf(url, "%s%s", repo->url, remote_ref->name);
        slot = get_active_slot();
        slot->results = &results;
-       curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
-       curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
-       curl_easy_setopt(slot->curl, CURLOPT_URL, url);
-       curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_DELETE);
+       curl_setup_http_get(slot->curl, url, DAV_DELETE);
        if (start_active_slot(slot)) {
                run_active_slot(slot);
                free(url);
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