* 20101106.1 (2.3.9-dev) Add ap_pool_cleanup_set_null() generic cleanup
* 20101106.2 (2.3.9-dev) Add suexec_disabled_reason field to ap_unixd_config
* 20101113.0 (2.3.9-dev) Add source address to mod_proxy.h
- * 20101116.0 (2.3.9-dev) Remove ap_proxy_buckets_lifetime_transform()
*/
#define MODULE_MAGIC_COOKIE 0x41503234UL /* "AP24" */
#ifndef MODULE_MAGIC_NUMBER_MAJOR
-#define MODULE_MAGIC_NUMBER_MAJOR 20101116
+#define MODULE_MAGIC_NUMBER_MAJOR 20101113
#endif
#define MODULE_MAGIC_NUMBER_MINOR 0 /* 0...n */
PROXY_DECLARE(void) ap_proxy_backend_broke(request_rec *r,
apr_bucket_brigade *brigade);
+/**
+ * Transform buckets from one bucket allocator to another one by creating a
+ * transient bucket for each data bucket and let it use the data read from
+ * the old bucket. Metabuckets are transformed by just recreating them.
+ * Attention: Currently only the following bucket types are handled:
+ *
+ * All data buckets
+ * FLUSH
+ * EOS
+ *
+ * If an other bucket type is found its type is logged as a debug message
+ * and APR_EGENERAL is returned.
+ * @param r current request record of client request. Only used for logging
+ * purposes
+ * @param from the brigade that contains the buckets to transform
+ * @param to the brigade that will receive the transformed buckets
+ * @return APR_SUCCESS if all buckets could be transformed APR_EGENERAL
+ * otherwise
+ */
+PROXY_DECLARE(apr_status_t)
+ap_proxy_buckets_lifetime_transform(request_rec *r, apr_bucket_brigade *from,
+ apr_bucket_brigade *to);
/**
* Return a hash based on the passed string
* @param str string to produce hash from
request_rec *rp;
apr_bucket *e;
apr_bucket_brigade *bb, *tmp_bb;
+ apr_bucket_brigade *pass_bb;
int len, backasswards;
int interim_response = 0; /* non-zero whilst interim 1xx responses
* are being read. */
&& !(apr_table_get(r->subprocess_env, "force-proxy-request-1.0")));
bb = apr_brigade_create(p, c->bucket_alloc);
-
+ pass_bb = apr_brigade_create(p, c->bucket_alloc);
+
/* Setup for 100-Continue timeout if appropriate */
if (do_100_continue) {
apr_socket_timeout_get(backend->sock, &old_timeout);
break;
}
+ /* Switch the allocator lifetime of the buckets */
+ ap_proxy_buckets_lifetime_transform(r, bb, pass_bb);
+ apr_brigade_cleanup(bb);
+
/* found the last brigade? */
- if (APR_BUCKET_IS_EOS(APR_BRIGADE_LAST(bb))) {
+ if (APR_BUCKET_IS_EOS(APR_BRIGADE_LAST(pass_bb))) {
/* signal that we must leave */
finish = TRUE;
- /* the brigade may contain transient buckets that contain
- * data that lives only as long as the backend connection.
- * Force a setaside so these transient buckets become heap
- * buckets that live as long as the request.
- */
- for (e = APR_BRIGADE_FIRST(bb); e
- != APR_BRIGADE_SENTINEL(bb); e
- = APR_BUCKET_NEXT(e)) {
- apr_bucket_setaside(e, r->pool);
- }
-
/* make sure we release the backend connection as soon
* as we know we are done, so that the backend isn't
* left waiting for a slow client to eventually
}
/* try send what we read */
- if (ap_pass_brigade(r->output_filters, bb) != APR_SUCCESS
+ if (ap_pass_brigade(r->output_filters, pass_bb) != APR_SUCCESS
|| c->aborted) {
/* Ack! Phbtt! Die! User aborted! */
backend->close = 1; /* this causes socket close below */
}
/* make sure we always clean up after ourselves */
- apr_brigade_cleanup(bb);
+ apr_brigade_cleanup(pass_bb);
} while (!finish);
}
apr_sockaddr_t *backend_addr = conn->addr;
int rc;
apr_interval_time_t current_timeout;
+ apr_bucket_alloc_t *bucket_alloc;
if (conn->connection) {
return OK;
}
+ bucket_alloc = apr_bucket_alloc_create(conn->scpool);
/*
* The socket is now open, create a new backend server connection
*/
conn->connection = ap_run_create_connection(conn->scpool, s, conn->sock,
0, NULL,
- c->bucket_alloc);
+ bucket_alloc);
if (!conn->connection) {
/*
APR_BRIGADE_INSERT_TAIL(brigade, e);
}
+/*
+ * Transform buckets from one bucket allocator to another one by creating a
+ * transient bucket for each data bucket and let it use the data read from
+ * the old bucket. Metabuckets are transformed by just recreating them.
+ * Attention: Currently only the following bucket types are handled:
+ *
+ * All data buckets
+ * FLUSH
+ * EOS
+ *
+ * If an other bucket type is found its type is logged as a debug message
+ * and APR_EGENERAL is returned.
+ */
+PROXY_DECLARE(apr_status_t)
+ap_proxy_buckets_lifetime_transform(request_rec *r, apr_bucket_brigade *from,
+ apr_bucket_brigade *to)
+{
+ apr_bucket *e;
+ apr_bucket *new;
+ const char *data;
+ apr_size_t bytes;
+ apr_status_t rv = APR_SUCCESS;
+
+ apr_brigade_cleanup(to);
+ for (e = APR_BRIGADE_FIRST(from);
+ e != APR_BRIGADE_SENTINEL(from);
+ e = APR_BUCKET_NEXT(e)) {
+ if (!APR_BUCKET_IS_METADATA(e)) {
+ apr_bucket_read(e, &data, &bytes, APR_BLOCK_READ);
+ new = apr_bucket_transient_create(data, bytes, r->connection->bucket_alloc);
+ APR_BRIGADE_INSERT_TAIL(to, new);
+ }
+ else if (APR_BUCKET_IS_FLUSH(e)) {
+ new = apr_bucket_flush_create(r->connection->bucket_alloc);
+ APR_BRIGADE_INSERT_TAIL(to, new);
+ }
+ else if (APR_BUCKET_IS_EOS(e)) {
+ new = apr_bucket_eos_create(r->connection->bucket_alloc);
+ APR_BRIGADE_INSERT_TAIL(to, new);
+ }
+ else {
+ ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
+ "proxy: Unhandled bucket type of type %s in"
+ " ap_proxy_buckets_lifetime_transform", e->type->name);
+ rv = APR_EGENERAL;
+ }
+ }
+ return rv;
+}
+
/*
* Provide a string hashing function for the proxy.
* We offer 2 methods: one is the APR model but we