input/curl: moved code to fill_buffer()

src/input/curl_input_plugin.c

@@ -282,6 +282,42 @@ input_curl_select(struct input_curl *c)
 	return ret;
 }
 
+static bool
+fill_buffer(struct input_stream *is)
+{
+	struct input_curl *c = is->data;
+	CURLMcode mcode = CURLM_CALL_MULTI_PERFORM;
+
+	while (!c->eof && g_queue_is_empty(c->buffers)) {
+		int running_handles;
+		bool bret;
+
+		if (mcode != CURLM_CALL_MULTI_PERFORM) {
+			/* if we're still here, there is no input yet
+			   - wait for input */
+			int ret = input_curl_select(c);
+			if (ret <= 0)
+				/* no data yet or error */
+				return false;
+		}
+
+		mcode = curl_multi_perform(c->multi, &running_handles);
+		if (mcode != CURLM_OK && mcode != CURLM_CALL_MULTI_PERFORM) {
+			g_warning("curl_multi_perform() failed: %s\n",
+				  curl_multi_strerror(mcode));
+			c->eof = true;
+			is->ready = true;
+			return false;
+		}
+
+		bret = input_curl_multi_info_read(is);
+		if (!bret)
+			return false;
+	}
+
+	return true;
+}
+
 /**
  * Mark a part of the buffer object as consumed.
  */
@@ -381,7 +417,7 @@ static size_t
 input_curl_read(struct input_stream *is, void *ptr, size_t size)
 {
 	struct input_curl *c = is->data;
-	CURLMcode mcode = CURLM_CALL_MULTI_PERFORM;
+	bool success;
 	GQueue *rewind_buffers;
 	size_t nbytes = 0;
 	char *dest = ptr;
@@ -409,32 +445,9 @@ input_curl_read(struct input_stream *is, void *ptr, size_t size)
 
 	/* fill the buffer */
 
-	while (!c->eof && g_queue_is_empty(c->buffers)) {
-		int running_handles;
-		bool bret;
-
-		if (mcode != CURLM_CALL_MULTI_PERFORM) {
-			/* if we're still here, there is no input yet
-			   - wait for input */
-			int ret = input_curl_select(c);
-			if (ret <= 0)
-				/* no data yet or error */
-				return 0;
-		}
-
-		mcode = curl_multi_perform(c->multi, &running_handles);
-		if (mcode != CURLM_OK && mcode != CURLM_CALL_MULTI_PERFORM) {
-			g_warning("curl_multi_perform() failed: %s\n",
-				  curl_multi_strerror(mcode));
-			c->eof = true;
-			is->ready = true;
+	success = fill_buffer(is);
+	if (!success)
 		return 0;
-		}
-
-		bret = input_curl_multi_info_read(is);
-		if (!bret)
-			return 0;
-	}
 
 	/* send buffer contents */