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Introducing the shared application port.

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This is the port shared between all application processes which use it to pass
requests for processing.  Using it significantly simplifies the request
processing code in the router.  The drawback is 2 more file descriptors per each
configured application and more complex libunit message wait/read code.
This commit is contained in:
Max Romanov
2020-08-11 19:20:15 +03:00
parent 6e31d6cd39
commit 8359560612
12 changed files with 934 additions and 1269 deletions
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37
src/nxt_router_request.h
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@@ -9,14 +9,12 @@
typedef struct nxt_msg_info_s {
nxt_buf_t *buf;
nxt_fd_t body_fd;
nxt_port_mmap_tracking_t tracking;
nxt_work_handler_t completion_handler;
} nxt_msg_info_t;
typedef struct nxt_request_app_link_s nxt_request_app_link_t;
typedef enum {
NXT_APR_NEW_PORT,
NXT_APR_REQUEST_FAILED,
@@ -35,38 +33,9 @@ typedef struct {
nxt_http_request_t *request;
nxt_msg_info_t msg_info;
nxt_request_app_link_t *req_app_link;
nxt_bool_t rpc_cancel;
} nxt_request_rpc_data_t;
struct nxt_request_app_link_s {
uint32_t stream;
nxt_atomic_t use_count;
nxt_port_t *app_port;
nxt_apr_action_t apr_action;
nxt_port_t *reply_port;
nxt_http_request_t *request;
nxt_msg_info_t msg_info;
nxt_request_rpc_data_t *req_rpc_data;
nxt_fd_t body_fd;
nxt_nsec_t res_time;
nxt_queue_link_t link_app_requests; /* for nxt_app_t.requests */
/* for nxt_port_t.pending_requests */
nxt_queue_link_t link_port_pending;
nxt_queue_link_t link_app_pending; /* for nxt_app_t.pending */
/* for nxt_port_t.active_websockets */
nxt_queue_link_t link_port_websockets;
nxt_mp_t *mem_pool;
nxt_work_t work;
int err_code;
const char *err_str;
};
#endif /* _NXT_ROUTER_REQUEST_H_INCLUDED_ */