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Application process start request DATA message from router to master.
Master notifies router via NEW_PORT message after worker process become ready.
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Now controller serializes all reconfiguration requests
and waits for result from router.
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New port message type introduced NXT_PORT_MSG_REMOVE_PID. Default handler
removes process description from nxt_runtime_t with all ports, incoming and
outgoing mmaps etc.
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Usage on the router side:
nxt_app_wmsg_t wmsg;
nxt_app_parse_ctx_t parse_ctx;
nxt_app_http_req_init(task, &parse_ctx);
/* parse incoming request data */
if (nxt_app_http_req_parse(task, &parse_ctx, buf) == NXT_DONE) {
/* choose app */
nxt_app = nxt_select_app(... &parse_ctx.r ...);
/* find port */
wmsg.port = nxt_get_app_port(... nxt_app ...);
wmsg.buf = &wmsg.write;
/* fill write message buffer in shared mem */
nxt_app->prepare_msg(task, &parse_ctx.r, &wmsg);
/* send message to app for processing */
nxt_port_socket_write(task, wmsg.port, NXT_PORT_MSG_DATA,
-1, 0, 0, wmsg.write);
}
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Usage:
b = nxt_port_mmap_get_buf(task, port, size);
b->mem.free = nxt_cpymem(b->mem.free, data, size);
nxt_port_socket_write(task, port, NXT_PORT_MSG_DATA, -1, 0, b);
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The cycle has been renamed to the runtime.
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