net: http: Added packet timeout to http client (#174)

Added timeout for individual packets to the HTTP client code.

Signed-off-by: Jared Baumann <jared.baumann8@t-mobile.com>

Author: jtbaumann

include/zephyr/net/http/client.h

@@ -253,6 +253,11 @@ struct http_request {
 	/** The HTTP protocol, for example "HTTP/1.1" */
 	const char *protocol;
 
+	/** Max timeout to wait for data receipt, 0 to disable. Value in
+	 * milliseconds
+	 */
+	uint32_t packet_timeout;
+
 	/** The HTTP header fields (application specific)
 	 * The Content-Type may be specified here or in the next field.
 	 * Depending on your application, the Content-Type may vary, however

subsys/net/lib/http/http_client.c

@@ -435,7 +435,10 @@ static int http_wait_data(int sock, struct http_request *req, int32_t timeout)
 			}
 		}
 
-		ret = zsock_poll(fds, nfds, remaining_time);
+		ret = zsock_poll(fds, nfds,
+			 req->packet_timeout ?
+			 MIN(req->packet_timeout, remaining_time) :
+			 remaining_time);
 		if (ret == 0) {
 			LOG_DBG("Timeout");
 			goto finalize_data;