6bda9b5eeb
This is required due to lack of a graceful shutdown: there is a small gap between the runtime's memory pool release and router process's exit. Thus, a worker thread may start processing a request between these two operations, which may result in an http fields hash access and subsequent crash. To simplify issue reproduction, it makes sense to add a 2 sec sleep before exit() in nxt_runtime_exit().
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) NGINX, Inc.
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*/
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#include <nxt_router.h>
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#include <nxt_http.h>
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static nxt_int_t nxt_http_response_status(void *ctx, nxt_http_field_t *field,
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uintptr_t data);
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static nxt_int_t nxt_http_response_skip(void *ctx, nxt_http_field_t *field,
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uintptr_t data);
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static nxt_int_t nxt_http_response_field(void *ctx, nxt_http_field_t *field,
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uintptr_t offset);
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nxt_lvlhsh_t nxt_response_fields_hash;
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static nxt_http_field_proc_t nxt_response_fields[] = {
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{ nxt_string("Status"), &nxt_http_response_status, 0 },
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{ nxt_string("Server"), &nxt_http_response_skip, 0 },
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{ nxt_string("Date"), &nxt_http_response_field,
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offsetof(nxt_http_request_t, resp.date) },
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{ nxt_string("Connection"), &nxt_http_response_skip, 0 },
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{ nxt_string("Content-Type"), &nxt_http_response_field,
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offsetof(nxt_http_request_t, resp.content_type) },
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{ nxt_string("Content-Length"), &nxt_http_response_field,
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offsetof(nxt_http_request_t, resp.content_length) },
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{ nxt_string("Upgrade"), &nxt_http_response_skip, 0 },
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{ nxt_string("Sec-WebSocket-Accept"), &nxt_http_response_skip, 0 },
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};
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nxt_int_t
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nxt_http_response_hash_init(nxt_task_t *task)
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{
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return nxt_http_fields_hash(&nxt_response_fields_hash,
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nxt_response_fields, nxt_nitems(nxt_response_fields));
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}
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nxt_int_t
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nxt_http_response_status(void *ctx, nxt_http_field_t *field,
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uintptr_t data)
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{
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nxt_int_t status;
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nxt_http_request_t *r;
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r = ctx;
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field->skip = 1;
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if (field->value_length >= 3) {
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status = nxt_int_parse(field->value, 3);
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if (status >= 100 && status <= 999) {
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r->status = status;
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return NXT_OK;
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}
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}
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return NXT_ERROR;
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}
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nxt_int_t
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nxt_http_response_skip(void *ctx, nxt_http_field_t *field, uintptr_t data)
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{
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field->skip = 1;
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return NXT_OK;
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}
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nxt_int_t
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nxt_http_response_field(void *ctx, nxt_http_field_t *field, uintptr_t offset)
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{
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nxt_http_request_t *r;
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r = ctx;
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nxt_value_at(nxt_http_field_t *, r, offset) = field;
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return NXT_OK;
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}
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