---
libubus-io.c | 13 +++++++++++++
libubus.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/libubus-io.c b/libubus-io.c
index 48bb72d..f38403f 100644
--- a/libubus-io.c
+++ b/libubus-io.c
@@ -28,6 +28,8 @@
#define STATIC_IOV(_var) { .iov_base = (char *) &(_var), .iov_len =
sizeof(_var) }
+#define UBUS_MSGBUF_REDUCTION_INTERVAL 16
+
static const struct blob_attr_info ubus_policy[UBUS_ATTR_MAX] = {
[UBUS_ATTR_STATUS] = { .type = BLOB_ATTR_INT32 },
[UBUS_ATTR_OBJID] = { .type = BLOB_ATTR_INT32 },
@@ -250,6 +252,17 @@ static bool get_next_msg(struct ubus_context *ctx, int
*recv_fd)
len = blob_raw_len(&hdrbuf.data);
if (len > ctx->msgbuf_data_len) {
+ ctx->msgbuf_reduction_counter = UBUS_MSGBUF_REDUCTION_INTERVAL;
+ } else if (ctx->msgbuf_data_len > UBUS_MSG_CHUNK_SIZE) {
+ if (ctx->msgbuf_reduction_counter > 0) {
+ len = -1;
+ --ctx->msgbuf_reduction_counter;
+ } else
+ len = UBUS_MSG_CHUNK_SIZE;
+ } else
+ len = -1;
+
+ if (len > -1) {
ctx->msgbuf.data = realloc(ctx->msgbuf.data, len *
sizeof(char));
if (ctx->msgbuf.data)
ctx->msgbuf_data_len = len;
diff --git a/libubus.h b/libubus.h
index 78ffa38..a63ce31 100644
--- a/libubus.h
+++ b/libubus.h
@@ -156,6 +156,7 @@ struct ubus_context {
struct ubus_msghdr_buf msgbuf;
uint32_t msgbuf_data_len;
+ int msgbuf_reduction_counter;
};
struct ubus_object_data {
--
1.8.4.5
_______________________________________________
openwrt-devel mailing list
[email protected]
https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
