Drop nginx
[tldk.git] / app / nginx / src / http / modules / perl / nginx.xs
diff --git a/app/nginx/src/http/modules/perl/nginx.xs b/app/nginx/src/http/modules/perl/nginx.xs
deleted file mode 100644 (file)
index cca64da..0000000
+++ /dev/null
@@ -1,1039 +0,0 @@
-
-/*
- * Copyright (C) Igor Sysoev
- * Copyright (C) Nginx, Inc.
- */
-
-
-#define PERL_NO_GET_CONTEXT
-
-#include <ngx_config.h>
-#include <ngx_core.h>
-#include <ngx_http.h>
-#include <ngx_http_perl_module.h>
-
-#include "XSUB.h"
-
-
-#define ngx_http_perl_set_request(r)                                          \
-    r = INT2PTR(ngx_http_request_t *, SvIV((SV *) SvRV(ST(0))))
-
-
-#define ngx_http_perl_set_targ(p, len)                                        \
-                                                                              \
-    SvUPGRADE(TARG, SVt_PV);                                                  \
-    SvPOK_on(TARG);                                                           \
-    sv_setpvn(TARG, (char *) p, len)
-
-
-static ngx_int_t
-ngx_http_perl_sv2str(pTHX_ ngx_http_request_t *r, ngx_str_t *s, SV *sv)
-{
-    u_char  *p;
-    STRLEN   len;
-
-    if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
-        sv = SvRV(sv);
-    }
-
-    p = (u_char *) SvPV(sv, len);
-
-    s->len = len;
-
-    if (SvREADONLY(sv) && SvPOK(sv)) {
-        s->data = p;
-
-        ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-                       "perl sv2str: %08XD \"%V\"", sv->sv_flags, s);
-
-        return NGX_OK;
-    }
-
-    s->data = ngx_pnalloc(r->pool, len);
-    if (s->data == NULL) {
-        return NGX_ERROR;
-    }
-
-    ngx_memcpy(s->data, p, len);
-
-    ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-                   "perl sv2str: %08XD \"%V\"", sv->sv_flags, s);
-
-    return NGX_OK;
-}
-
-
-static ngx_int_t
-ngx_http_perl_output(ngx_http_request_t *r, ngx_buf_t *b)
-{
-    ngx_chain_t           out;
-#if (NGX_HTTP_SSI)
-    ngx_chain_t          *cl;
-    ngx_http_perl_ctx_t  *ctx;
-
-    ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
-
-    if (ctx->ssi) {
-        cl = ngx_alloc_chain_link(r->pool);
-        if (cl == NULL) {
-            return NGX_ERROR;
-        }
-
-        cl->buf = b;
-        cl->next = NULL;
-        *ctx->ssi->last_out = cl;
-        ctx->ssi->last_out = &cl->next;
-
-        return NGX_OK;
-    }
-#endif
-
-    out.buf = b;
-    out.next = NULL;
-
-    return ngx_http_output_filter(r, &out);
-}
-
-
-MODULE = nginx    PACKAGE = nginx
-
-
-PROTOTYPES: DISABLE
-
-
-void
-status(r, code)
-    CODE:
-
-    ngx_http_request_t  *r;
-
-    ngx_http_perl_set_request(r);
-
-    r->headers_out.status = SvIV(ST(1));
-
-    ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-                   "perl status: %d", r->headers_out.status);
-
-    XSRETURN_UNDEF;
-
-
-void
-send_http_header(r, ...)
-    CODE:
-
-    ngx_http_request_t  *r;
-    SV                  *sv;
-
-    ngx_http_perl_set_request(r);
-
-    if (r->headers_out.status == 0) {
-        r->headers_out.status = NGX_HTTP_OK;
-    }
-
-    if (items != 1) {
-        sv = ST(1);
-
-        if (ngx_http_perl_sv2str(aTHX_ r, &r->headers_out.content_type, sv)
-            != NGX_OK)
-        {
-            XSRETURN_EMPTY;
-        }
-
-        r->headers_out.content_type_len = r->headers_out.content_type.len;
-
-    } else {
-        if (ngx_http_set_content_type(r) != NGX_OK) {
-            XSRETURN_EMPTY;
-        }
-    }
-
-    (void) ngx_http_send_header(r);
-
-
-void
-header_only(r)
-    CODE:
-
-    dXSTARG;
-    ngx_http_request_t  *r;
-
-    ngx_http_perl_set_request(r);
-
-    sv_upgrade(TARG, SVt_IV);
-    sv_setiv(TARG, r->header_only);
-
-    ST(0) = TARG;
-
-
-void
-uri(r)
-    CODE:
-
-    dXSTARG;
-    ngx_http_request_t  *r;
-
-    ngx_http_perl_set_request(r);
-    ngx_http_perl_set_targ(r->uri.data, r->uri.len);
-
-    ST(0) = TARG;
-
-
-void
-args(r)
-    CODE:
-
-    dXSTARG;
-    ngx_http_request_t  *r;
-
-    ngx_http_perl_set_request(r);
-    ngx_http_perl_set_targ(r->args.data, r->args.len);
-
-    ST(0) = TARG;
-
-
-void
-request_method(r)
-    CODE:
-
-    dXSTARG;
-    ngx_http_request_t  *r;
-
-    ngx_http_perl_set_request(r);
-    ngx_http_perl_set_targ(r->method_name.data, r->method_name.len);
-
-    ST(0) = TARG;
-
-
-void
-remote_addr(r)
-    CODE:
-
-    dXSTARG;
-    ngx_http_request_t  *r;
-
-    ngx_http_perl_set_request(r);
-    ngx_http_perl_set_targ(r->connection->addr_text.data,
-                           r->connection->addr_text.len);
-
-    ST(0) = TARG;
-
-
-void
-header_in(r, key)
-    CODE:
-
-    dXSTARG;
-    ngx_http_request_t         *r;
-    SV                         *key;
-    u_char                     *p, *lowcase_key, *value, sep;
-    STRLEN                      len;
-    ssize_t                     size;
-    ngx_uint_t                  i, n, hash;
-    ngx_array_t                *a;
-    ngx_list_part_t            *part;
-    ngx_table_elt_t            *h, **ph;
-    ngx_http_header_t          *hh;
-    ngx_http_core_main_conf_t  *cmcf;
-
-    ngx_http_perl_set_request(r);
-
-    key = ST(1);
-
-    if (SvROK(key) && SvTYPE(SvRV(key)) == SVt_PV) {
-        key = SvRV(key);
-    }
-
-    p = (u_char *) SvPV(key, len);
-
-    /* look up hashed headers */
-
-    lowcase_key = ngx_pnalloc(r->pool, len);
-    if (lowcase_key == NULL) {
-        XSRETURN_UNDEF;
-    }
-
-    hash = ngx_hash_strlow(lowcase_key, p, len);
-
-    cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
-
-    hh = ngx_hash_find(&cmcf->headers_in_hash, hash, lowcase_key, len);
-
-    if (hh) {
-
-        if (hh->offset == offsetof(ngx_http_headers_in_t, cookies)) {
-            sep = ';';
-            goto multi;
-        }
-#if (NGX_HTTP_X_FORWARDED_FOR)
-        if (hh->offset == offsetof(ngx_http_headers_in_t, x_forwarded_for)) {
-            sep = ',';
-            goto multi;
-        }
-#endif
-
-        ph = (ngx_table_elt_t **) ((char *) &r->headers_in + hh->offset);
-
-        if (*ph) {
-            ngx_http_perl_set_targ((*ph)->value.data, (*ph)->value.len);
-
-            goto done;
-        }
-
-        XSRETURN_UNDEF;
-
-    multi:
-
-        /* Cookie, X-Forwarded-For */
-
-        a = (ngx_array_t *) ((char *) &r->headers_in + hh->offset);
-
-        n = a->nelts;
-
-        if (n == 0) {
-            XSRETURN_UNDEF;
-        }
-
-        ph = a->elts;
-
-        if (n == 1) {
-            ngx_http_perl_set_targ((*ph)->value.data, (*ph)->value.len);
-
-            goto done;
-        }
-
-        size = - (ssize_t) (sizeof("; ") - 1);
-
-        for (i = 0; i < n; i++) {
-            size += ph[i]->value.len + sizeof("; ") - 1;
-        }
-
-        value = ngx_pnalloc(r->pool, size);
-        if (value == NULL) {
-            XSRETURN_UNDEF;
-        }
-
-        p = value;
-
-        for (i = 0; /* void */ ; i++) {
-            p = ngx_copy(p, ph[i]->value.data, ph[i]->value.len);
-
-            if (i == n - 1) {
-                break;
-            }
-
-            *p++ = sep; *p++ = ' ';
-        }
-
-        ngx_http_perl_set_targ(value, size);
-
-        goto done;
-    }
-
-    /* iterate over all headers */
-
-    part = &r->headers_in.headers.part;
-    h = part->elts;
-
-    for (i = 0; /* void */ ; i++) {
-
-        if (i >= part->nelts) {
-            if (part->next == NULL) {
-                break;
-            }
-
-            part = part->next;
-            h = part->elts;
-            i = 0;
-        }
-
-        if (len != h[i].key.len
-            || ngx_strcasecmp(p, h[i].key.data) != 0)
-        {
-            continue;
-        }
-
-        ngx_http_perl_set_targ(h[i].value.data, h[i].value.len);
-
-        goto done;
-    }
-
-    XSRETURN_UNDEF;
-
-    done:
-
-    ST(0) = TARG;
-
-
-void
-has_request_body(r, next)
-    CODE:
-
-    dXSTARG;
-    ngx_http_request_t   *r;
-    ngx_http_perl_ctx_t  *ctx;
-
-    ngx_http_perl_set_request(r);
-
-    if (r->headers_in.content_length_n <= 0 && !r->headers_in.chunked) {
-        XSRETURN_UNDEF;
-    }
-
-    ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
-    ctx->next = SvRV(ST(1));
-
-    r->request_body_in_single_buf = 1;
-    r->request_body_in_persistent_file = 1;
-    r->request_body_in_clean_file = 1;
-
-    if (r->request_body_in_file_only) {
-        r->request_body_file_log_level = 0;
-    }
-
-    ngx_http_read_client_request_body(r, ngx_http_perl_handle_request);
-
-    sv_upgrade(TARG, SVt_IV);
-    sv_setiv(TARG, 1);
-
-    ST(0) = TARG;
-
-
-void
-request_body(r)
-    CODE:
-
-    dXSTARG;
-    ngx_http_request_t  *r;
-    u_char              *p, *data;
-    size_t               len;
-    ngx_buf_t           *buf;
-    ngx_chain_t         *cl;
-
-    ngx_http_perl_set_request(r);
-
-    if (r->request_body == NULL
-        || r->request_body->temp_file
-        || r->request_body->bufs == NULL)
-    {
-        XSRETURN_UNDEF;
-    }
-
-    cl = r->request_body->bufs;
-    buf = cl->buf;
-
-    if (cl->next == NULL) {
-        len = buf->last - buf->pos;
-        data = buf->pos;
-        goto done;
-    }
-
-    len = buf->last - buf->pos;
-    cl = cl->next;
-
-    for ( /* void */ ; cl; cl = cl->next) {
-        buf = cl->buf;
-        len += buf->last - buf->pos;
-    }
-
-    p = ngx_pnalloc(r->pool, len);
-    if (p == NULL) {
-        XSRETURN_UNDEF;
-    }
-
-    data = p;
-    cl = r->request_body->bufs;
-
-    for ( /* void */ ; cl; cl = cl->next) {
-        buf = cl->buf;
-        p = ngx_cpymem(p, buf->pos, buf->last - buf->pos);
-    }
-
-    done:
-
-    if (len == 0) {
-        XSRETURN_UNDEF;
-    }
-
-    ngx_http_perl_set_targ(data, len);
-
-    ST(0) = TARG;
-
-
-void
-request_body_file(r)
-    CODE:
-
-    dXSTARG;
-    ngx_http_request_t  *r;
-
-    ngx_http_perl_set_request(r);
-
-    if (r->request_body == NULL || r->request_body->temp_file == NULL) {
-        XSRETURN_UNDEF;
-    }
-
-    ngx_http_perl_set_targ(r->request_body->temp_file->file.name.data,
-                           r->request_body->temp_file->file.name.len);
-
-    ST(0) = TARG;
-
-
-void
-discard_request_body(r)
-    CODE:
-
-    ngx_http_request_t  *r;
-
-    ngx_http_perl_set_request(r);
-
-    ngx_http_discard_request_body(r);
-
-
-void
-header_out(r, key, value)
-    CODE:
-
-    ngx_http_request_t  *r;
-    SV                  *key;
-    SV                  *value;
-    ngx_table_elt_t     *header;
-
-    ngx_http_perl_set_request(r);
-
-    key = ST(1);
-    value = ST(2);
-
-    header = ngx_list_push(&r->headers_out.headers);
-    if (header == NULL) {
-        XSRETURN_EMPTY;
-    }
-
-    header->hash = 1;
-
-    if (ngx_http_perl_sv2str(aTHX_ r, &header->key, key) != NGX_OK) {
-        XSRETURN_EMPTY;
-    }
-
-    if (ngx_http_perl_sv2str(aTHX_ r, &header->value, value) != NGX_OK) {
-        XSRETURN_EMPTY;
-    }
-
-    if (header->key.len == sizeof("Content-Length") - 1
-        && ngx_strncasecmp(header->key.data, (u_char *) "Content-Length",
-                           sizeof("Content-Length") - 1) == 0)
-    {
-        r->headers_out.content_length_n = (off_t) SvIV(value);
-        r->headers_out.content_length = header;
-    }
-
-    if (header->key.len == sizeof("Content-Encoding") - 1
-        && ngx_strncasecmp(header->key.data, (u_char *) "Content-Encoding",
-                           sizeof("Content-Encoding") - 1) == 0)
-    {
-        r->headers_out.content_encoding = header;
-    }
-
-
-void
-filename(r)
-    CODE:
-
-    dXSTARG;
-    size_t                root;
-    ngx_http_request_t   *r;
-    ngx_http_perl_ctx_t  *ctx;
-
-    ngx_http_perl_set_request(r);
-
-    ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
-    if (ctx->filename.data) {
-        goto done;
-    }
-
-    if (ngx_http_map_uri_to_path(r, &ctx->filename, &root, 0) == NULL) {
-        XSRETURN_UNDEF;
-    }
-
-    ctx->filename.len--;
-    sv_setpv(PL_statname, (char *) ctx->filename.data);
-
-    done:
-
-    ngx_http_perl_set_targ(ctx->filename.data, ctx->filename.len);
-
-    ST(0) = TARG;
-
-
-void
-print(r, ...)
-    CODE:
-
-    ngx_http_request_t  *r;
-    SV                  *sv;
-    int                  i;
-    u_char              *p;
-    size_t               size;
-    STRLEN               len;
-    ngx_buf_t           *b;
-
-    ngx_http_perl_set_request(r);
-
-    if (items == 2) {
-
-        /*
-         * do zero copy for prolate single read-only SV:
-         *     $r->print("some text\n");
-         */
-
-        sv = ST(1);
-
-        if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
-            sv = SvRV(sv);
-        }
-
-        if (SvREADONLY(sv) && SvPOK(sv)) {
-
-            p = (u_char *) SvPV(sv, len);
-
-            if (len == 0) {
-                XSRETURN_EMPTY;
-            }
-
-            b = ngx_calloc_buf(r->pool);
-            if (b == NULL) {
-                XSRETURN_EMPTY;
-            }
-
-            b->memory = 1;
-            b->pos = p;
-            b->last = p + len;
-            b->start = p;
-            b->end = b->last;
-
-            ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-                           "$r->print: read-only SV: %z", len);
-
-            goto out;
-        }
-    }
-
-    size = 0;
-
-    for (i = 1; i < items; i++) {
-
-        sv = ST(i);
-
-        if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
-            sv = SvRV(sv);
-        }
-
-        (void) SvPV(sv, len);
-
-        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-                       "$r->print: copy SV: %z", len);
-
-        size += len;
-    }
-
-    if (size == 0) {
-        XSRETURN_EMPTY;
-    }
-
-    b = ngx_create_temp_buf(r->pool, size);
-    if (b == NULL) {
-        XSRETURN_EMPTY;
-    }
-
-    for (i = 1; i < items; i++) {
-        sv = ST(i);
-
-        if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
-            sv = SvRV(sv);
-        }
-
-        p = (u_char *) SvPV(sv, len);
-        b->last = ngx_cpymem(b->last, p, len);
-    }
-
-    out:
-
-    (void) ngx_http_perl_output(r, b);
-
-
-void
-sendfile(r, filename, offset = -1, bytes = 0)
-    CODE:
-
-    ngx_http_request_t        *r;
-    char                      *filename;
-    off_t                      offset;
-    size_t                     bytes;
-    ngx_str_t                  path;
-    ngx_buf_t                 *b;
-    ngx_open_file_info_t       of;
-    ngx_http_core_loc_conf_t  *clcf;
-
-    ngx_http_perl_set_request(r);
-
-    filename = SvPV_nolen(ST(1));
-
-    if (filename == NULL) {
-        croak("sendfile(): NULL filename");
-    }
-
-    offset = items < 3 ? -1 : SvIV(ST(2));
-    bytes = items < 4 ? 0 : SvIV(ST(3));
-
-    b = ngx_calloc_buf(r->pool);
-    if (b == NULL) {
-        XSRETURN_EMPTY;
-    }
-
-    b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t));
-    if (b->file == NULL) {
-        XSRETURN_EMPTY;
-    }
-
-    path.len = ngx_strlen(filename);
-
-    path.data = ngx_pnalloc(r->pool, path.len + 1);
-    if (path.data == NULL) {
-        XSRETURN_EMPTY;
-    }
-
-    (void) ngx_cpystrn(path.data, (u_char *) filename, path.len + 1);
-
-    clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
-
-    ngx_memzero(&of, sizeof(ngx_open_file_info_t));
-
-    of.read_ahead = clcf->read_ahead;
-    of.directio = clcf->directio;
-    of.valid = clcf->open_file_cache_valid;
-    of.min_uses = clcf->open_file_cache_min_uses;
-    of.errors = clcf->open_file_cache_errors;
-    of.events = clcf->open_file_cache_events;
-
-    if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) {
-        XSRETURN_EMPTY;
-    }
-
-    if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
-        != NGX_OK)
-    {
-        if (of.err == 0) {
-            XSRETURN_EMPTY;
-        }
-
-        ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
-                      "%s \"%s\" failed", of.failed, filename);
-        XSRETURN_EMPTY;
-    }
-
-    if (offset == -1) {
-        offset = 0;
-    }
-
-    if (bytes == 0) {
-        bytes = of.size - offset;
-    }
-
-    b->in_file = 1;
-
-    b->file_pos = offset;
-    b->file_last = offset + bytes;
-
-    b->file->fd = of.fd;
-    b->file->log = r->connection->log;
-    b->file->directio = of.is_directio;
-
-    (void) ngx_http_perl_output(r, b);
-
-
-void
-flush(r)
-    CODE:
-
-    ngx_http_request_t  *r;
-    ngx_buf_t           *b;
-
-    ngx_http_perl_set_request(r);
-
-    b = ngx_calloc_buf(r->pool);
-    if (b == NULL) {
-        XSRETURN_EMPTY;
-    }
-
-    b->flush = 1;
-
-    ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "$r->flush");
-
-    (void) ngx_http_perl_output(r, b);
-
-    XSRETURN_EMPTY;
-
-
-void
-internal_redirect(r, uri)
-    CODE:
-
-    ngx_http_request_t   *r;
-    SV                   *uri;
-    ngx_uint_t            i;
-    ngx_http_perl_ctx_t  *ctx;
-
-    ngx_http_perl_set_request(r);
-
-    uri = ST(1);
-
-    ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
-
-    if (ngx_http_perl_sv2str(aTHX_ r, &ctx->redirect_uri, uri) != NGX_OK) {
-        XSRETURN_EMPTY;
-    }
-
-    for (i = 0; i < ctx->redirect_uri.len; i++) {
-        if (ctx->redirect_uri.data[i] == '?') {
-
-            ctx->redirect_args.len = ctx->redirect_uri.len - (i + 1);
-            ctx->redirect_args.data = &ctx->redirect_uri.data[i + 1];
-            ctx->redirect_uri.len = i;
-
-            XSRETURN_EMPTY;
-        }
-    }
-
-
-void
-allow_ranges(r)
-    CODE:
-
-    ngx_http_request_t  *r;
-
-    ngx_http_perl_set_request(r);
-
-    r->allow_ranges = 1;
-
-
-void
-unescape(r, text, type = 0)
-    CODE:
-
-    dXSTARG;
-    ngx_http_request_t  *r;
-    SV                  *text;
-    int                  type;
-    u_char              *p, *dst, *src;
-    STRLEN               len;
-
-    ngx_http_perl_set_request(r);
-
-    text = ST(1);
-
-    src = (u_char *) SvPV(text, len);
-
-    p = ngx_pnalloc(r->pool, len + 1);
-    if (p == NULL) {
-        XSRETURN_UNDEF;
-    }
-
-    dst = p;
-
-    type = items < 3 ? 0 : SvIV(ST(2));
-
-    ngx_unescape_uri(&dst, &src, len, (ngx_uint_t) type);
-    *dst = '\0';
-
-    ngx_http_perl_set_targ(p, dst - p);
-
-    ST(0) = TARG;
-
-
-void
-variable(r, name, value = NULL)
-    CODE:
-
-    dXSTARG;
-    ngx_http_request_t         *r;
-    SV                         *name, *value;
-    u_char                     *p, *lowcase;
-    STRLEN                      len;
-    ngx_str_t                   var, val;
-    ngx_uint_t                  i, hash;
-    ngx_http_perl_var_t        *v;
-    ngx_http_perl_ctx_t        *ctx;
-    ngx_http_variable_value_t  *vv;
-
-    ngx_http_perl_set_request(r);
-
-    name = ST(1);
-
-    if (SvROK(name) && SvTYPE(SvRV(name)) == SVt_PV) {
-        name = SvRV(name);
-    }
-
-    if (items == 2) {
-        value = NULL;
-
-    } else {
-        value = ST(2);
-
-        if (SvROK(value) && SvTYPE(SvRV(value)) == SVt_PV) {
-            value = SvRV(value);
-        }
-
-        if (ngx_http_perl_sv2str(aTHX_ r, &val, value) != NGX_OK) {
-            XSRETURN_UNDEF;
-        }
-    }
-
-    p = (u_char *) SvPV(name, len);
-
-    lowcase = ngx_pnalloc(r->pool, len);
-    if (lowcase == NULL) {
-        XSRETURN_UNDEF;
-    }
-
-    hash = ngx_hash_strlow(lowcase, p, len);
-
-    var.len = len;
-    var.data = lowcase;
-#if (NGX_DEBUG)
-
-    if (value) {
-        ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-                       "perl variable: \"%V\"=\"%V\"", &var, &val);
-    } else {
-        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-                       "perl variable: \"%V\"", &var);
-    }
-#endif
-
-    vv = ngx_http_get_variable(r, &var, hash);
-    if (vv == NULL) {
-        XSRETURN_UNDEF;
-    }
-
-    if (vv->not_found) {
-
-        ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
-
-        if (ctx->variables) {
-
-            v = ctx->variables->elts;
-            for (i = 0; i < ctx->variables->nelts; i++) {
-
-                if (hash != v[i].hash
-                    || len != v[i].name.len
-                    || ngx_strncmp(lowcase, v[i].name.data, len) != 0)
-                {
-                    continue;
-                }
-
-                if (value) {
-                    v[i].value = val;
-                    XSRETURN_UNDEF;
-                }
-
-                ngx_http_perl_set_targ(v[i].value.data, v[i].value.len);
-
-                goto done;
-            }
-        }
-
-        if (value) {
-            if (ctx->variables == NULL) {
-                ctx->variables = ngx_array_create(r->pool, 1,
-                                                  sizeof(ngx_http_perl_var_t));
-                if (ctx->variables == NULL) {
-                    XSRETURN_UNDEF;
-                }
-            }
-
-            v = ngx_array_push(ctx->variables);
-            if (v == NULL) {
-                XSRETURN_UNDEF;
-            }
-
-            v->hash = hash;
-            v->name.len = len;
-            v->name.data = lowcase;
-            v->value = val;
-
-            XSRETURN_UNDEF;
-        }
-
-        XSRETURN_UNDEF;
-    }
-
-    if (value) {
-        vv->len = val.len;
-        vv->valid = 1;
-        vv->no_cacheable = 0;
-        vv->not_found = 0;
-        vv->data = val.data;
-
-        XSRETURN_UNDEF;
-    }
-
-    ngx_http_perl_set_targ(vv->data, vv->len);
-
-    done:
-
-    ST(0) = TARG;
-
-
-void
-sleep(r, sleep, next)
-    CODE:
-
-    ngx_http_request_t   *r;
-    ngx_msec_t            sleep;
-    ngx_http_perl_ctx_t  *ctx;
-
-    ngx_http_perl_set_request(r);
-
-    sleep = (ngx_msec_t) SvIV(ST(1));
-
-    ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
-                   "perl sleep: %M", sleep);
-
-    ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
-
-    ctx->next = SvRV(ST(2));
-
-    r->connection->write->delayed = 1;
-    ngx_add_timer(r->connection->write, sleep);
-
-    r->write_event_handler = ngx_http_perl_sleep_handler;
-    r->main->count++;
-
-
-void
-log_error(r, err, msg)
-    CODE:
-
-    ngx_http_request_t  *r;
-    SV                  *err, *msg;
-    u_char              *p;
-    STRLEN               len;
-    ngx_err_t            e;
-
-    ngx_http_perl_set_request(r);
-
-    err = ST(1);
-
-    if (SvROK(err) && SvTYPE(SvRV(err)) == SVt_PV) {
-        err = SvRV(err);
-    }
-
-    e = SvIV(err);
-
-    msg = ST(2);
-
-    if (SvROK(msg) && SvTYPE(SvRV(msg)) == SVt_PV) {
-        msg = SvRV(msg);
-    }
-
-    p = (u_char *) SvPV(msg, len);
-
-    ngx_log_error(NGX_LOG_ERR, r->connection->log, e, "perl: %s", p);