Adding upstream version 2.4.57.upstream/2.4.57

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 98 insertions, 0 deletions

diff --git a/modules/http2/h2_conn_ctx.h b/modules/http2/h2_conn_ctx.h
new file mode 100644
index 0000000..35987bc
--- /dev/null
+++ b/modules/http2/h2_conn_ctx.h
@@ -0,0 +1,98 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __mod_h2__h2_conn_ctx__
+#define __mod_h2__h2_conn_ctx__
+
+#include "h2.h"
+
+struct h2_session;
+struct h2_stream;
+struct h2_mplx;
+struct h2_bucket_beam;
+struct h2_response_parser;
+struct h2_c2_transit;
+
+#define H2_PIPE_OUT     0
+#define H2_PIPE_IN      1
+
+/**
+ * The h2 module context associated with a connection.
+ *
+ * It keeps track of the different types of connections:
+ * - those from clients that use HTTP/2 protocol
+ * - those from clients that do not use HTTP/2
+ * - those created by ourself to perform work on HTTP/2 streams
+ */
+struct h2_conn_ctx_t {
+    const char *id;                 /* c*: our identifier of this connection */
+    server_rec *server;             /* c*: httpd server selected. */
+    const char *protocol;           /* c1: the protocol negotiated */
+    struct h2_session *session;     /* c1: the h2 session established */
+    struct h2_mplx *mplx;           /* c2: the multiplexer */
+    struct h2_c2_transit *transit;  /* c2: transit pool and bucket_alloc */
+
+#if !AP_HAS_RESPONSE_BUCKETS
+    int pre_conn_done;               /* has pre_connection setup run? */
+#endif
+    int stream_id;                  /* c1: 0, c2: stream id processed */
+    apr_pool_t *req_pool;            /* c2: a c2 child pool for a request */
+    const struct h2_request *request; /* c2: the request to process */
+    struct h2_bucket_beam *beam_out; /* c2: data out, created from req_pool */
+    struct h2_bucket_beam *beam_in;  /* c2: data in or NULL, borrowed from request stream */
+    unsigned int input_chunked;      /* c2: if input needs HTTP/1.1 chunking applied */
+
+    apr_file_t *pipe_in[2];          /* c2: input produced notification pipe */
+    apr_pollfd_t pfd;                /* c1: poll socket input, c2: NUL */
+
+    int has_final_response;          /* final HTTP response passed on out */
+    apr_status_t last_err;           /* APR_SUCCES or last error encountered in filters */
+
+    /* atomic */ apr_uint32_t started; /* c2: processing was started */
+    apr_time_t started_at;           /* c2: when processing started */
+    /* atomic */ apr_uint32_t done;  /* c2: processing has finished */
+    apr_time_t done_at;              /* c2: when processing was done */
+};
+typedef struct h2_conn_ctx_t h2_conn_ctx_t;
+
+/**
+ * Get the h2 connection context.
+ * @param c the connection to look at
+ * @return h2 context of this connection
+ */
+#define h2_conn_ctx_get(c) \
+    ((c)? (h2_conn_ctx_t*)ap_get_module_config((c)->conn_config, &http2_module) : NULL)
+
+/**
+ * Create the h2 connection context.
+ * @param c the connection to create it at
+ * @param s the server in use
+ * @param protocol the protocol selected
+ * @return created h2 context of this connection
+ */
+h2_conn_ctx_t *h2_conn_ctx_create_for_c1(conn_rec *c, server_rec *s, const char *protocol);
+
+void h2_conn_ctx_assign_session(h2_conn_ctx_t *ctx, struct h2_session *session);
+
+apr_status_t h2_conn_ctx_init_for_c2(h2_conn_ctx_t **pctx, conn_rec *c,
+                                     struct h2_mplx *mplx, struct h2_stream *stream,
+                                     struct h2_c2_transit *transit);
+
+void h2_conn_ctx_detach(conn_rec *c);
+
+void h2_conn_ctx_set_timeout(h2_conn_ctx_t *conn_ctx, apr_interval_time_t timeout);
+
+#endif /* defined(__mod_h2__h2_conn_ctx__) */