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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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11
src/nxt_port.h
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@@ -41,6 +41,7 @@ struct nxt_port_handlers_s {
/* Request headers. */
nxt_port_handler_t req_headers;
nxt_port_handler_t req_headers_ack;
/* Websocket frame. */
nxt_port_handler_t websocket_frame;
@@ -89,6 +90,7 @@ typedef enum {
_NXT_PORT_MSG_QUIT = nxt_port_handler_idx(quit),
_NXT_PORT_MSG_REQ_HEADERS = nxt_port_handler_idx(req_headers),
_NXT_PORT_MSG_REQ_HEADERS_ACK = nxt_port_handler_idx(req_headers_ack),
_NXT_PORT_MSG_WEBSOCKET = nxt_port_handler_idx(websocket_frame),
_NXT_PORT_MSG_DATA = nxt_port_handler_idx(data),
@@ -113,7 +115,8 @@ typedef enum {
NXT_PORT_MSG_NEW_PORT = nxt_msg_last(_NXT_PORT_MSG_NEW_PORT),
NXT_PORT_MSG_GET_PORT = nxt_msg_last(_NXT_PORT_MSG_GET_PORT),
NXT_PORT_MSG_MMAP = nxt_msg_last(_NXT_PORT_MSG_MMAP)
| NXT_PORT_MSG_CLOSE_FD | NXT_PORT_MSG_SYNC,
| NXT_PORT_MSG_SYNC,
NXT_PORT_MSG_GET_MMAP = nxt_msg_last(_NXT_PORT_MSG_GET_MMAP),
NXT_PORT_MSG_PROCESS_CREATED = nxt_msg_last(_NXT_PORT_MSG_PROCESS_CREATED),
NXT_PORT_MSG_PROCESS_READY = nxt_msg_last(_NXT_PORT_MSG_PROCESS_READY),
@@ -193,6 +196,7 @@ struct nxt_port_s {
nxt_queue_link_t app_link; /* for nxt_app_t.ports */
nxt_app_t *app;
nxt_port_t *main_app_port;
nxt_queue_link_t idle_link; /* for nxt_app_t.idle_ports */
nxt_msec_t idle_start;
@@ -205,11 +209,10 @@ struct nxt_port_s {
/* Maximum interleave of message parts. */
uint32_t max_share;
uint32_t app_pending_responses;
uint32_t app_responses;
nxt_queue_t pending_requests;
nxt_queue_t active_websockets;
uint32_t active_websockets;
uint32_t active_requests;
nxt_port_handler_t handler;
nxt_port_handler_t *data;