aboutsummaryrefslogtreecommitdiffstats
path: root/app/nginx/src/http/modules/perl/nginx.xs
diff options
context:
space:
mode:
Diffstat (limited to 'app/nginx/src/http/modules/perl/nginx.xs')
-rw-r--r--app/nginx/src/http/modules/perl/nginx.xs1039
1 files changed, 1039 insertions, 0 deletions
diff --git a/app/nginx/src/http/modules/perl/nginx.xs b/app/nginx/src/http/modules/perl/nginx.xs
new file mode 100644
index 0000000..cca64da
--- /dev/null
+++ b/app/nginx/src/http/modules/perl/nginx.xs
@@ -0,0 +1,1039 @@
+
+/*
+ * 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);