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Completing request header buffers to avoid memory leak.

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Before this fix, only persistent connection request buffers were completed.

This issue was introduced in dc403927ab0b.
This commit is contained in:
Max Romanov
2020-03-19 20:43:35 +03:00
parent 93207d4a8c
commit c26fbbe53a
3 changed files with 29 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
src/nxt_h1proto.c
View File

@@ -1364,17 +1364,19 @@ nxt_h1p_request_header_send(nxt_task_t *task, nxt_http_request_t *r,
void
nxt_h1p_complete_buffers(nxt_task_t *task, nxt_h1proto_t *h1p)
nxt_h1p_complete_buffers(nxt_task_t *task, nxt_h1proto_t *h1p, nxt_bool_t all)
{
size_t size;
nxt_buf_t *b, *in, *next;
nxt_conn_t *c;
nxt_work_queue_t *wq;
nxt_debug(task, "h1p complete buffers");
b = h1p->buffers;
c = h1p->conn;
in = c->read;
wq = &task->thread->engine->fast_work_queue;
if (b != NULL) {
if (in == NULL) {
@@ -1390,8 +1392,7 @@ nxt_h1p_complete_buffers(nxt_task_t *task, nxt_h1proto_t *h1p)
next = b->next;
b->next = NULL;
nxt_work_queue_add(&task->thread->engine->fast_work_queue,
b->completion_handler, task, b, b->parent);
nxt_work_queue_add(wq, b->completion_handler, task, b, b->parent);
b = next;
}
@@ -1403,9 +1404,9 @@ nxt_h1p_complete_buffers(nxt_task_t *task, nxt_h1proto_t *h1p)
if (in != NULL) {
size = nxt_buf_mem_used_size(&in->mem);
if (size == 0) {
nxt_work_queue_add(&task->thread->engine->fast_work_queue,
in->completion_handler, task, in, in->parent);
if (size == 0 || all) {
nxt_work_queue_add(wq, in->completion_handler, task, in,
in->parent);
c->read = NULL;
}
@@ -1754,7 +1755,7 @@ nxt_h1p_keepalive(nxt_task_t *task, nxt_h1proto_t *h1p, nxt_conn_t *c)
nxt_conn_tcp_nodelay_on(task, c);
}
nxt_h1p_complete_buffers(task, h1p);
nxt_h1p_complete_buffers(task, h1p, 0);
in = c->read;
@@ -1952,7 +1953,10 @@ nxt_h1p_shutdown(nxt_task_t *task, nxt_conn_t *c)
h1p = c->socket.data;
if (nxt_slow_path(h1p != NULL && h1p->websocket_timer != NULL)) {
if (h1p != NULL) {
nxt_h1p_complete_buffers(task, h1p, 1);
if (nxt_slow_path(h1p->websocket_timer != NULL)) {
timer = &h1p->websocket_timer->timer;
if (timer->handler != nxt_h1p_conn_ws_shutdown) {
@@ -1963,9 +1967,11 @@ nxt_h1p_shutdown(nxt_task_t *task, nxt_conn_t *c)
nxt_debug(task, "h1p already scheduled ws shutdown");
}
} else {
nxt_h1p_closing(task, c);
return;
}
}
nxt_h1p_closing(task, c);
}

2
src/nxt_h1proto_websocket.c
View File

@@ -135,7 +135,7 @@ nxt_h1p_websocket_frame_start(nxt_task_t *task, nxt_http_request_t *r,
c = h1p->conn;
c->read = ws_frame;
nxt_h1p_complete_buffers(task, h1p);
nxt_h1p_complete_buffers(task, h1p, 0);
in = c->read;
c->read_state = &nxt_h1p_read_ws_frame_header_state;

3
src/nxt_http.h
View File

@@ -320,7 +320,8 @@ void nxt_h1p_websocket_first_frame_start(nxt_task_t *task,
nxt_http_request_t *r, nxt_buf_t *ws_frame);
void nxt_h1p_websocket_frame_start(nxt_task_t *task, nxt_http_request_t *r,
nxt_buf_t *ws_frame);
void nxt_h1p_complete_buffers(nxt_task_t *task, nxt_h1proto_t *h1p);
void nxt_h1p_complete_buffers(nxt_task_t *task, nxt_h1proto_t *h1p,
nxt_bool_t all);
nxt_msec_t nxt_h1p_conn_request_timer_value(nxt_conn_t *c, uintptr_t data);
extern const nxt_conn_state_t nxt_h1p_idle_close_state;