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Slice filter: allowed at most one subrequest at a time.

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Previously, if slice main request write handler was called while a slice
subrequest was running, a new subrequest for the same slice was started.
This commit is contained in:
Roman Arutyunyan 2017-03-28 14:03:57 +03:00
parent 5d5f0dcac4
commit 8c9a66298c
1 changed files with 16 additions and 12 deletions
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10
src/http/modules/ngx_http_slice_filter_module.c
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@ -21,6 +21,7 @@ typedef struct {
ngx_str_t range;
ngx_str_t etag;
ngx_uint_t last; /* unsigned last:1; */
ngx_http_request_t *sr;
} ngx_http_slice_ctx_t;
@ -209,7 +210,6 @@ ngx_http_slice_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
{
ngx_int_t rc;
ngx_chain_t *cl;
ngx_http_request_t *sr;
ngx_http_slice_ctx_t *ctx;
ngx_http_slice_loc_conf_t *slcf;
@ -234,6 +234,10 @@ ngx_http_slice_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
return rc;
}
if (ctx->sr && !ctx->sr->done) {
return rc;
}
if (ctx->start >= ctx->end) {
ngx_http_set_ctx(r, NULL, ngx_http_slice_filter_module);
ngx_http_send_special(r, NGX_HTTP_LAST);
@ -244,14 +248,14 @@ ngx_http_slice_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
return rc;
}
if (ngx_http_subrequest(r, &r->uri, &r->args, &sr, NULL,
if (ngx_http_subrequest(r, &r->uri, &r->args, &ctx->sr, NULL,
NGX_HTTP_SUBREQUEST_CLONE)
!= NGX_OK)
{
return NGX_ERROR;
}
ngx_http_set_ctx(sr, ctx, ngx_http_slice_filter_module);
ngx_http_set_ctx(ctx->sr, ctx, ngx_http_slice_filter_module);
slcf = ngx_http_get_module_loc_conf(r, ngx_http_slice_filter_module);