This time test suite passes on default compile:
All tests successful.
Files=141, Tests=964, 86 wallclock secs ( 0.49 usr 0.22 sys + 10.05
cusr 2.55 csys = 13.31 CPU)
Result: PASS

On 04/12/2014 21:07, Steven Hartland wrote:
> # HG changeset patch
> # User Steven Hartland <steven.hartland@multiplay.co.uk>
> # Date 1417727204 0
> # Thu Dec 04 21:06:44 2014 +0000
> # Node ID 05d3973ece9af030d0312932938fc3d1f2f139dd
> # Parent 1573fc7875fa09ee55763ce7ddc4e98d61e1deaf
> Allow Partial Content responses to satisfy Range requests
>
> diff -r 1573fc7875fa -r 05d3973ece9a src/http/modules/ngx_http_range_filter_module.c
> --- a/src/http/modules/ngx_http_range_filter_module.c Wed Nov 26 18:35:37 2014 -0800
> +++ b/src/http/modules/ngx_http_range_filter_module.c Thu Dec 04 21:06:44 2014 +0000
> @@ -54,6 +54,7 @@
>
> typedef struct {
> off_t offset;
> + off_t content_length;
> ngx_str_t boundary_header;
> ngx_array_t ranges;
> } ngx_http_range_filter_ctx_t;
> @@ -65,7 +66,8 @@
> ngx_http_range_filter_ctx_t *ctx);
> static ngx_int_t ngx_http_range_multipart_header(ngx_http_request_t *r,
> ngx_http_range_filter_ctx_t *ctx);
> -static ngx_int_t ngx_http_range_not_satisfiable(ngx_http_request_t *r);
> +static ngx_int_t ngx_http_range_not_satisfiable(ngx_http_request_t *r,
> + ngx_http_range_filter_ctx_t *ctx);
> static ngx_int_t ngx_http_range_test_overlapped(ngx_http_request_t *r,
> ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in);
> static ngx_int_t ngx_http_range_singlepart_body(ngx_http_request_t *r,
> @@ -76,6 +78,9 @@
> static ngx_int_t ngx_http_range_header_filter_init(ngx_conf_t *cf);
> static ngx_int_t ngx_http_range_body_filter_init(ngx_conf_t *cf);
>
> +static ngx_int_t ngx_http_content_range_parse(ngx_http_request_t *r,
> + ngx_http_range_filter_ctx_t *ctx);
> +
>
> static ngx_http_module_t ngx_http_range_header_filter_module_ctx = {
> NULL, /* preconfiguration */
> @@ -153,8 +158,8 @@
> ngx_http_range_filter_ctx_t *ctx;
>
> if (r->http_version < NGX_HTTP_VERSION_10
> - || r->headers_out.status != NGX_HTTP_OK
> - || r != r->main
> + || (r->headers_out.status != NGX_HTTP_OK
> + && r->headers_out.status != NGX_HTTP_PARTIAL_CONTENT)
> || r->headers_out.content_length_n == -1
> || !r->allow_ranges)
> {
> @@ -230,26 +235,31 @@
>
> ranges = r->single_range ? 1 : clcf->max_ranges;
>
> - switch (ngx_http_range_parse(r, ctx, ranges)) {
> + switch (ngx_http_content_range_parse(r, ctx)) {
> + case NGX_OK:
> + switch (ngx_http_range_parse(r, ctx, ranges)) {
> + case NGX_OK:
> + ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module);
>
> - case NGX_OK:
> - ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module);
> + r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT;
> + r->headers_out.status_line.len = 0;
>
> - r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT;
> - r->headers_out.status_line.len = 0;
> + if (ctx->ranges.nelts == 1) {
> + return ngx_http_range_singlepart_header(r, ctx);
> + }
>
> - if (ctx->ranges.nelts == 1) {
> - return ngx_http_range_singlepart_header(r, ctx);
> + return ngx_http_range_multipart_header(r, ctx);
> +
> + case NGX_HTTP_RANGE_NOT_SATISFIABLE:
> + return ngx_http_range_not_satisfiable(r, ctx);
> +
> + case NGX_ERROR:
> + return NGX_ERROR;
> +
> + default: /* NGX_DECLINED */
> + break;
> }
> -
> - return ngx_http_range_multipart_header(r, ctx);
> -
> - case NGX_HTTP_RANGE_NOT_SATISFIABLE:
> - return ngx_http_range_not_satisfiable(r);
> -
> - case NGX_ERROR:
> - return NGX_ERROR;
> -
> + break;
> default: /* NGX_DECLINED */
> break;
> }
> @@ -274,13 +284,12 @@
> ngx_uint_t ranges)
> {
> u_char *p;
> - off_t start, end, size, content_length;
> + off_t start, end, size;
> ngx_uint_t suffix;
> ngx_http_range_t *range;
>
> p = r->headers_in.range->value.data + 6;
> size = 0;
> - content_length = r->headers_out.content_length_n;
>
> for ( ;; ) {
> start = 0;
> @@ -298,6 +307,10 @@
> start = start * 10 + *p++ - '0';
> }
>
> + if (start < ctx->offset) {
> + return NGX_HTTP_RANGE_NOT_SATISFIABLE;
> + }
> +
> while (*p == ' ') { p++; }
>
> if (*p++ != '-') {
> @@ -307,7 +320,7 @@
> while (*p == ' ') { p++; }
>
> if (*p == ',' || *p == '\0') {
> - end = content_length;
> + end = ctx->content_length;
> goto found;
> }
>
> @@ -331,12 +344,12 @@
> }
>
> if (suffix) {
> - start = content_length - end;
> - end = content_length - 1;
> + start = ctx->content_length - end;
> + end = ctx->content_length - 1;
> }
>
> - if (end >= content_length) {
> - end = content_length;
> + if (end >= ctx->content_length) {
> + end = ctx->content_length;
>
> } else {
> end++;
> @@ -369,7 +382,7 @@
> return NGX_HTTP_RANGE_NOT_SATISFIABLE;
> }
>
> - if (size > content_length) {
> + if (size > ctx->content_length) {
> return NGX_DECLINED;
> }
>
> @@ -384,16 +397,18 @@
> ngx_table_elt_t *content_range;
> ngx_http_range_t *range;
>
> - content_range = ngx_list_push(&r->headers_out.headers);
> - if (content_range == NULL) {
> - return NGX_ERROR;
> + if (r->headers_out.content_range == NULL) {
> + content_range = ngx_list_push(&r->headers_out.headers);
> + if (content_range == NULL) {
> + return NGX_ERROR;
> + }
> + r->headers_out.content_range = content_range;
> + content_range->hash = 1;
> + ngx_str_set(&content_range->key, "Content-Range");
> + } else {
> + content_range = r->headers_out.content_range;
> }
>
> - r->headers_out.content_range = content_range;
> -
> - content_range->hash = 1;
> - ngx_str_set(&content_range->key, "Content-Range");
> -
> content_range->value.data = ngx_pnalloc(r->pool,
> sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN);
> if (content_range->value.data == NULL) {
> @@ -407,7 +422,7 @@
> content_range->value.len = ngx_sprintf(content_range->value.data,
> "bytes %O-%O/%O",
> range->start, range->end - 1,
> - r->headers_out.content_length_n)
> + ctx->content_length)
> - content_range->value.data;
>
> r->headers_out.content_length_n = range->end - range->start;
> @@ -546,22 +561,25 @@
>
>
> static ngx_int_t
> -ngx_http_range_not_satisfiable(ngx_http_request_t *r)
> +ngx_http_range_not_satisfiable(ngx_http_request_t *r,
> + ngx_http_range_filter_ctx_t *ctx)
> {
> ngx_table_elt_t *content_range;
>
> r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE;
>
> - content_range = ngx_list_push(&r->headers_out.headers);
> - if (content_range == NULL) {
> - return NGX_ERROR;
> + if (r->headers_out.content_range == NULL) {
> + content_range = ngx_list_push(&r->headers_out.headers);
> + if (content_range == NULL) {
> + return NGX_ERROR;
> + }
> + r->headers_out.content_range = content_range;
> + content_range->hash = 1;
> + ngx_str_set(&content_range->key, "Content-Range");
> + } else {
> + content_range = r->headers_out.content_range;
> }
>
> - r->headers_out.content_range = content_range;
> -
> - content_range->hash = 1;
> - ngx_str_set(&content_range->key, "Content-Range");
> -
> content_range->value.data = ngx_pnalloc(r->pool,
> sizeof("bytes */") - 1 + NGX_OFF_T_LEN);
> if (content_range->value.data == NULL) {
> @@ -570,7 +588,7 @@
>
> content_range->value.len = ngx_sprintf(content_range->value.data,
> "bytes */%O",
> - r->headers_out.content_length_n)
> + ctx->content_length)
> - content_range->value.data;
>
> ngx_http_clear_content_length(r);
> @@ -888,3 +906,76 @@
>
> return NGX_OK;
> }
> +
> +
> +static ngx_int_t
> +ngx_http_content_range_parse(ngx_http_request_t *r,
> + ngx_http_range_filter_ctx_t *ctx)
> +{
> + u_char *p;
> + off_t start, end, len;
> +
> + ctx->offset = 0;
> + ctx->content_length = r->headers_out.content_length_n;
> +
> + if (r->headers_out.status != NGX_HTTP_PARTIAL_CONTENT) {
> + return NGX_OK;
> + }
> +
> + if (r->headers_out.content_range == NULL
> + || r->headers_out.content_range->value.len == 0) {
> + return NGX_HTTP_RANGE_NOT_SATISFIABLE;
> + }
> +
> + if (r->headers_out.content_range->value.len < 7
> + || ngx_strncasecmp(r->headers_out.content_range->value.data,
> + (u_char *) "bytes ", 6) != 0) {
> + return NGX_DECLINED;
> + }
> +
> + start = 0;
> + end = 0;
> + len = 0;
> +
> + p = r->headers_out.content_range->value.data + 6;
> +
> + while (*p == ' ') { p++; }
> +
> + if (*p < '0' || *p > '9') {
> + return NGX_HTTP_RANGE_NOT_SATISFIABLE;
> + }
> +
> + while (*p >= '0' && *p <= '9') {
> + start = start * 10 + *p++ - '0';
> + }
> +
> + if (*p++ != '-') {
> + return NGX_HTTP_RANGE_NOT_SATISFIABLE;
> + }
> +
> + while (*p >= '0' && *p <= '9') {
> + end = end * 10 + *p++ - '0';
> + }
> +
> + if (*p++ != '/') {
> + return NGX_HTTP_RANGE_NOT_SATISFIABLE;
> + }
> +
> + if (*p < '0' || *p > '9') {
> + return NGX_HTTP_RANGE_NOT_SATISFIABLE;
> + }
> +
> + while (*p >= '0' && *p <= '9') {
> + len = len * 10 + *p++ - '0';
> + }
> +
> + if (*p != '\0') {
> + return NGX_HTTP_RANGE_NOT_SATISFIABLE;
> + }
> +
> + ctx->offset = start;
> + ctx->content_length = len;
> +
> + return NGX_OK;
> +}
> +
> diff -r 1573fc7875fa -r 05d3973ece9a src/http/ngx_http_upstream.c
> --- a/src/http/ngx_http_upstream.c Wed Nov 26 18:35:37 2014 -0800
> +++ b/src/http/ngx_http_upstream.c Thu Dec 04 21:06:44 2014 +0000
> @@ -292,6 +292,11 @@
> ngx_http_upstream_copy_content_encoding, 0, 0 },
> #endif
>
> + { ngx_string("Content-Range"),
> + ngx_http_upstream_ignore_header_line, 0,
> + ngx_http_upstream_copy_allow_ranges,
> + offsetof(ngx_http_headers_out_t, content_range), 1 },
> +
> { ngx_null_string, NULL, 0, NULL, 0, 0 }
> };
>
> @@ -4516,37 +4521,26 @@
> ngx_http_upstream_copy_allow_ranges(ngx_http_request_t *r,
> ngx_table_elt_t *h, ngx_uint_t offset)
> {
> - ngx_table_elt_t *ho;
> -
> if (r->upstream->conf->force_ranges) {
> return NGX_OK;
> }
> -
> #if (NGX_HTTP_CACHE)
> -
> if (r->cached) {
> r->allow_ranges = 1;
> - return NGX_OK;
> + if (offsetof(ngx_http_headers_out_t, accept_ranges) == offset) {
> + return NGX_OK;
> + }
> }
>
> if (r->upstream->cacheable) {
> r->allow_ranges = 1;
> r->single_range = 1;
> - return NGX_OK;
> - }
> -
> + if (offsetof(ngx_http_headers_out_t, accept_ranges) == offset) {
> + return NGX_OK;
> + }
> + }
> #endif
> -
> - ho = ngx_list_push(&r->headers_out.headers);
> - if (ho == NULL) {
> - return NGX_ERROR;
> - }
> -
> - *ho = *h;
> -
> - r->headers_out.accept_ranges = ho;
> -
> - return NGX_OK;
> + return ngx_http_upstream_copy_header_line(r, h, offset);
> }
>
>
>
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