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-rw-r--r--src/nxt_master_process.c3
-rw-r--r--src/nxt_port.c3
-rw-r--r--src/nxt_port_socket.c27
-rw-r--r--src/nxt_router.c12
4 files changed, 24 insertions, 21 deletions
diff --git a/src/nxt_master_process.c b/src/nxt_master_process.c
index c35bb6b1..2bc97c1c 100644
--- a/src/nxt_master_process.c
+++ b/src/nxt_master_process.c
@@ -141,8 +141,6 @@ nxt_port_master_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
b = msg->buf;
nxt_debug(task, "master data: %*s", b->mem.free - b->mem.pos, b->mem.pos);
-
- b->mem.pos = b->mem.free;
}
@@ -175,7 +173,6 @@ nxt_port_master_start_worker_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
start += app_conf.name.length + 1;
conf = nxt_conf_json_parse(mp, start, b->mem.free);
- b->mem.pos = b->mem.free;
if (conf == NULL) {
nxt_log(task, NXT_LOG_CRIT, "configuration parsing error");
diff --git a/src/nxt_port.c b/src/nxt_port.c
index 681fec39..18dc4121 100644
--- a/src/nxt_port.c
+++ b/src/nxt_port.c
@@ -225,7 +225,6 @@ nxt_port_new_port_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
rt = task->thread->runtime;
new_port_msg = (nxt_port_msg_new_port_t *) msg->buf->mem.pos;
- msg->buf->mem.pos = msg->buf->mem.free;
nxt_debug(task, "new port %d received for process %PI:%d",
msg->fd, new_port_msg->pid, new_port_msg->id);
@@ -405,8 +404,6 @@ nxt_port_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
}
nxt_debug(task, "data: %*s", dump_size, b->mem.pos);
-
- b->mem.pos = b->mem.free;
}
diff --git a/src/nxt_port_socket.c b/src/nxt_port_socket.c
index bdb37483..30c64a94 100644
--- a/src/nxt_port_socket.c
+++ b/src/nxt_port_socket.c
@@ -415,7 +415,11 @@ nxt_port_read_handler(nxt_task_t *task, void *obj, void *data)
nxt_port_read_msg_process(task, port, &msg);
- if (b->mem.pos == b->mem.free) {
+ /*
+ * To disable instant completion or buffer re-usage,
+ * handler should reset 'msg.buf'.
+ */
+ if (msg.buf == b) {
nxt_port_buf_free(port, b);
}
@@ -469,14 +473,23 @@ nxt_port_read_msg_process(nxt_task_t *task, nxt_port_t *port,
port->handler(task, msg);
if (msg->port_msg.mmap && orig_b != b) {
- /* complete used mmap buffers */
- for (; b && nxt_buf_used_size(b) == 0;
- b = b->next) {
- nxt_debug(task, "complete buffer %p", b);
- nxt_work_queue_add(port->socket.read_work_queue,
- b->completion_handler, task, b, b->parent);
+ /*
+ * To disable instant buffer completion,
+ * handler should reset 'msg->buf'.
+ */
+ if (msg->buf == b) {
+ /* complete mmap buffers */
+ for (; b != NULL; b = b->next) {
+ nxt_debug(task, "complete buffer %p", b);
+
+ nxt_work_queue_add(port->socket.read_work_queue,
+ b->completion_handler, task, b, b->parent);
+ }
}
+
+ /* restore original buf */
+ msg->buf = orig_b;
}
return;
diff --git a/src/nxt_router.c b/src/nxt_router.c
index 4cf476f6..7c197a44 100644
--- a/src/nxt_router.c
+++ b/src/nxt_router.c
@@ -333,8 +333,6 @@ nxt_router_conf_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
ret = nxt_router_conf_new(task, tmcf, b->mem.pos, b->mem.free);
- b->mem.pos = b->mem.free;
-
if (ret == NXT_OK) {
nxt_router_conf_success(task, tmcf);
return;
@@ -1735,7 +1733,7 @@ static void
nxt_router_app_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
{
size_t dump_size;
- nxt_buf_t *b, *i, *last;
+ nxt_buf_t *b, *last;
nxt_conn_t *c;
nxt_req_conn_link_t *rc;
nxt_event_engine_t *engine;
@@ -1748,11 +1746,6 @@ nxt_router_app_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
nxt_debug(task, "request id %08uxD not found", msg->port_msg.stream);
- /* Mark buffers as read. */
- for (i = b; i != NULL; i = i->next) {
- i->mem.pos = i->mem.free;
- }
-
return;
}
@@ -1793,6 +1786,9 @@ nxt_router_app_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
return;
}
+ /* Disable instant buffer completion/re-using by port. */
+ msg->buf = NULL;
+
if (c->write == NULL) {
c->write = b;
c->write_state = &nxt_router_conn_write_state;