1 files changed, 101 insertions, 0 deletions
diff --git a/samples/net/http_client/src/http_client_rcv.c b/samples/net/http_client/src/http_client_rcv.c
new file mode 100644
index 000000000..5c6a220dc
--- /dev/null
+++ b/samples/net/http_client/src/http_client_rcv.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2017 Intel Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "http_client_rcv.h"
+#include "http_client_types.h"
+#include "config.h"
+
+#include <net/nbuf.h>
+
+#ifdef LINEARIZE_BUFFER
+
+NET_BUF_POOL_DEFINE(http_pool, HTTP_POOL_BUF_CTR, HTTP_POOL_BUF_SIZE, 0, NULL);
+
+void http_receive_cb(struct tcp_client_ctx *tcp_ctx, struct net_buf *rx)
+{
+	struct http_client_ctx *http_ctx;
+	struct net_buf *data_buf = NULL;
+	uint16_t data_len;
+	uint16_t offset;
+	int rc;
+
+	if (!rx) {
+		return;
+	}
+
+	data_buf = net_buf_alloc(&http_pool, tcp_ctx->timeout);
+	if (data_buf == NULL) {
+		goto lb_exit;
+	}
+
+	data_len = min(net_nbuf_appdatalen(rx), HTTP_POOL_BUF_SIZE);
+	offset = net_buf_frags_len(rx) - data_len;
+
+	rc = net_nbuf_linear_copy(data_buf, rx, offset, data_len);
+	if (rc != 0) {
+		rc = -ENOMEM;
+		goto lb_exit;
+	}
+
+	http_ctx = CONTAINER_OF(tcp_ctx, struct http_client_ctx, tcp_ctx);
+
+	/* The parser's error can be catched outside, reading the
+	 * http_errno struct member
+	 */
+	http_parser_execute(&http_ctx->parser, &http_ctx->settings,
+			    data_buf->data, data_buf->len);
+
+lb_exit:
+	net_buf_unref(data_buf);
+	net_buf_unref(rx);
+}
+
+#else
+
+void http_receive_cb(struct tcp_client_ctx *tcp_ctx, struct net_buf *rx)
+{
+	struct http_client_ctx *http_ctx;
+	struct net_buf *buf = rx;
+	uint16_t offset;
+
+	if (!rx) {
+		return;
+	}
+
+	http_ctx = CONTAINER_OF(tcp_ctx, struct http_client_ctx, tcp_ctx);
+
+	offset = net_buf_frags_len(buf) - net_nbuf_appdatalen(buf);
+
+	/* find the fragment */
+	while (buf && offset >= buf->len) {
+		offset -= buf->len;
+		buf = buf->frags;
+	}
+
+	while (buf) {
+		(void)http_parser_execute(&http_ctx->parser,
+					  &http_ctx->settings,
+					  buf->data + offset,
+					  buf->len - offset);
+
+		/* after the first iteration, we set offset to 0 */
+		offset = 0;
+
+		/* The parser's error can be catched outside, reading the
+		 * http_errno struct member
+		 */
+		if (http_ctx->parser.http_errno != HPE_OK) {
+			goto lb_exit;
+		}
+
+		buf = buf->frags;
+	}
+
+lb_exit:
+	net_buf_unref(rx);
+}
+
+#endif