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-rw-r--r--modules/http2/h2_conn.c370
1 files changed, 0 insertions, 370 deletions
diff --git a/modules/http2/h2_conn.c b/modules/http2/h2_conn.c
deleted file mode 100644
index 88da2ba..0000000
--- a/modules/http2/h2_conn.c
+++ /dev/null
@@ -1,370 +0,0 @@
-/* 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.
- */
-
-#include <assert.h>
-#include <apr_strings.h>
-
-#include <ap_mpm.h>
-
-#include <httpd.h>
-#include <http_core.h>
-#include <http_config.h>
-#include <http_log.h>
-#include <http_connection.h>
-#include <http_protocol.h>
-#include <http_request.h>
-
-#include <mpm_common.h>
-
-#include "h2_private.h"
-#include "h2.h"
-#include "h2_config.h"
-#include "h2_ctx.h"
-#include "h2_filter.h"
-#include "h2_mplx.h"
-#include "h2_session.h"
-#include "h2_stream.h"
-#include "h2_h2.h"
-#include "h2_task.h"
-#include "h2_workers.h"
-#include "h2_conn.h"
-#include "h2_version.h"
-
-static struct h2_workers *workers;
-
-static h2_mpm_type_t mpm_type = H2_MPM_UNKNOWN;
-static module *mpm_module;
-static int async_mpm;
-static int mpm_supported = 1;
-static apr_socket_t *dummy_socket;
-
-static void check_modules(int force)
-{
- static int checked = 0;
- int i;
-
- if (force || !checked) {
- for (i = 0; ap_loaded_modules[i]; ++i) {
- module *m = ap_loaded_modules[i];
-
- if (!strcmp("event.c", m->name)) {
- mpm_type = H2_MPM_EVENT;
- mpm_module = m;
- break;
- }
- else if (!strcmp("motorz.c", m->name)) {
- mpm_type = H2_MPM_MOTORZ;
- mpm_module = m;
- break;
- }
- else if (!strcmp("mpm_netware.c", m->name)) {
- mpm_type = H2_MPM_NETWARE;
- mpm_module = m;
- break;
- }
- else if (!strcmp("prefork.c", m->name)) {
- mpm_type = H2_MPM_PREFORK;
- mpm_module = m;
- /* While http2 can work really well on prefork, it collides
- * today's use case for prefork: runnning single-thread app engines
- * like php. If we restrict h2_workers to 1 per process, php will
- * work fine, but browser will be limited to 1 active request at a
- * time. */
- mpm_supported = 0;
- break;
- }
- else if (!strcmp("simple_api.c", m->name)) {
- mpm_type = H2_MPM_SIMPLE;
- mpm_module = m;
- mpm_supported = 0;
- break;
- }
- else if (!strcmp("mpm_winnt.c", m->name)) {
- mpm_type = H2_MPM_WINNT;
- mpm_module = m;
- break;
- }
- else if (!strcmp("worker.c", m->name)) {
- mpm_type = H2_MPM_WORKER;
- mpm_module = m;
- break;
- }
- }
- checked = 1;
- }
-}
-
-apr_status_t h2_conn_child_init(apr_pool_t *pool, server_rec *s)
-{
- const h2_config *config = h2_config_sget(s);
- apr_status_t status = APR_SUCCESS;
- int minw, maxw;
- int max_threads_per_child = 0;
- int idle_secs = 0;
-
- check_modules(1);
- ap_mpm_query(AP_MPMQ_MAX_THREADS, &max_threads_per_child);
-
- status = ap_mpm_query(AP_MPMQ_IS_ASYNC, &async_mpm);
- if (status != APR_SUCCESS) {
- /* some MPMs do not implemnent this */
- async_mpm = 0;
- status = APR_SUCCESS;
- }
-
- h2_config_init(pool);
-
- h2_get_num_workers(s, &minw, &maxw);
-
- idle_secs = h2_config_geti(config, H2_CONF_MAX_WORKER_IDLE_SECS);
- ap_log_error(APLOG_MARK, APLOG_TRACE3, 0, s,
- "h2_workers: min=%d max=%d, mthrpchild=%d, idle_secs=%d",
- minw, maxw, max_threads_per_child, idle_secs);
- workers = h2_workers_create(s, pool, minw, maxw, idle_secs);
-
- ap_register_input_filter("H2_IN", h2_filter_core_input,
- NULL, AP_FTYPE_CONNECTION);
-
- status = h2_mplx_child_init(pool, s);
-
- if (status == APR_SUCCESS) {
- status = apr_socket_create(&dummy_socket, APR_INET, SOCK_STREAM,
- APR_PROTO_TCP, pool);
- }
-
- return status;
-}
-
-h2_mpm_type_t h2_conn_mpm_type(void)
-{
- check_modules(0);
- return mpm_type;
-}
-
-const char *h2_conn_mpm_name(void)
-{
- check_modules(0);
- return mpm_module? mpm_module->name : "unknown";
-}
-
-int h2_mpm_supported(void)
-{
- check_modules(0);
- return mpm_supported;
-}
-
-static module *h2_conn_mpm_module(void)
-{
- check_modules(0);
- return mpm_module;
-}
-
-apr_status_t h2_conn_setup(h2_ctx *ctx, conn_rec *c, request_rec *r)
-{
- h2_session *session;
- apr_status_t status;
-
- if (!workers) {
- ap_log_cerror(APLOG_MARK, APLOG_ERR, 0, c, APLOGNO(02911)
- "workers not initialized");
- return APR_EGENERAL;
- }
-
- if (r) {
- status = h2_session_rcreate(&session, r, ctx, workers);
- }
- else {
- status = h2_session_create(&session, c, ctx, workers);
- }
-
- if (status == APR_SUCCESS) {
- h2_ctx_session_set(ctx, session);
- }
- return status;
-}
-
-apr_status_t h2_conn_run(struct h2_ctx *ctx, conn_rec *c)
-{
- apr_status_t status;
- int mpm_state = 0;
- h2_session *session = h2_ctx_session_get(ctx);
-
- ap_assert(session);
- do {
- if (c->cs) {
- c->cs->sense = CONN_SENSE_DEFAULT;
- c->cs->state = CONN_STATE_HANDLER;
- }
-
- status = h2_session_process(session, async_mpm);
-
- if (APR_STATUS_IS_EOF(status)) {
- ap_log_cerror(APLOG_MARK, APLOG_DEBUG, status, c,
- H2_SSSN_LOG(APLOGNO(03045), session,
- "process, closing conn"));
- c->keepalive = AP_CONN_CLOSE;
- }
- else {
- c->keepalive = AP_CONN_KEEPALIVE;
- }
-
- if (ap_mpm_query(AP_MPMQ_MPM_STATE, &mpm_state)) {
- break;
- }
- } while (!async_mpm
- && c->keepalive == AP_CONN_KEEPALIVE
- && mpm_state != AP_MPMQ_STOPPING);
-
- if (c->cs) {
- switch (session->state) {
- case H2_SESSION_ST_INIT:
- case H2_SESSION_ST_IDLE:
- case H2_SESSION_ST_BUSY:
- case H2_SESSION_ST_WAIT:
- c->cs->state = CONN_STATE_WRITE_COMPLETION;
- break;
- case H2_SESSION_ST_CLEANUP:
- case H2_SESSION_ST_DONE:
- default:
- c->cs->state = CONN_STATE_LINGER;
- break;
- }
- }
-
- return APR_SUCCESS;
-}
-
-apr_status_t h2_conn_pre_close(struct h2_ctx *ctx, conn_rec *c)
-{
- h2_session *session = h2_ctx_session_get(ctx);
- if (session) {
- apr_status_t status = h2_session_pre_close(session, async_mpm);
- return (status == APR_SUCCESS)? DONE : status;
- }
- return DONE;
-}
-
-conn_rec *h2_slave_create(conn_rec *master, int slave_id, apr_pool_t *parent)
-{
- apr_allocator_t *allocator;
- apr_status_t status;
- apr_pool_t *pool;
- conn_rec *c;
- void *cfg;
- module *mpm;
-
- ap_assert(master);
- ap_log_cerror(APLOG_MARK, APLOG_TRACE3, 0, master,
- "h2_stream(%ld-%d): create slave", master->id, slave_id);
-
- /* We create a pool with its own allocator to be used for
- * processing a request. This is the only way to have the processing
- * independant of its parent pool in the sense that it can work in
- * another thread. Also, the new allocator needs its own mutex to
- * synchronize sub-pools.
- */
- apr_allocator_create(&allocator);
- apr_allocator_max_free_set(allocator, ap_max_mem_free);
- status = apr_pool_create_ex(&pool, parent, NULL, allocator);
- if (status != APR_SUCCESS) {
- ap_log_cerror(APLOG_MARK, APLOG_ERR, status, master,
- APLOGNO(10004) "h2_session(%ld-%d): create slave pool",
- master->id, slave_id);
- return NULL;
- }
- apr_allocator_owner_set(allocator, pool);
- apr_pool_tag(pool, "h2_slave_conn");
-
- c = (conn_rec *) apr_palloc(pool, sizeof(conn_rec));
- if (c == NULL) {
- ap_log_cerror(APLOG_MARK, APLOG_ERR, APR_ENOMEM, master,
- APLOGNO(02913) "h2_session(%ld-%d): create slave",
- master->id, slave_id);
- apr_pool_destroy(pool);
- return NULL;
- }
-
- memcpy(c, master, sizeof(conn_rec));
-
- c->master = master;
- c->pool = pool;
- c->conn_config = ap_create_conn_config(pool);
- c->notes = apr_table_make(pool, 5);
- c->input_filters = NULL;
- c->output_filters = NULL;
- c->bucket_alloc = apr_bucket_alloc_create(pool);
- c->data_in_input_filters = 0;
- c->data_in_output_filters = 0;
- /* prevent mpm_event from making wrong assumptions about this connection,
- * like e.g. using its socket for an async read check. */
- c->clogging_input_filters = 1;
- c->log = NULL;
- c->log_id = apr_psprintf(pool, "%ld-%d",
- master->id, slave_id);
- c->aborted = 0;
- /* We cannot install the master connection socket on the slaves, as
- * modules mess with timeouts/blocking of the socket, with
- * unwanted side effects to the master connection processing.
- * Fortunately, since we never use the slave socket, we can just install
- * a single, process-wide dummy and everyone is happy.
- */
- ap_set_module_config(c->conn_config, &core_module, dummy_socket);
- /* TODO: these should be unique to this thread */
- c->sbh = master->sbh;
- /* TODO: not all mpm modules have learned about slave connections yet.
- * copy their config from master to slave.
- */
- if ((mpm = h2_conn_mpm_module()) != NULL) {
- cfg = ap_get_module_config(master->conn_config, mpm);
- ap_set_module_config(c->conn_config, mpm, cfg);
- }
-
- ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, c,
- "h2_stream(%ld-%d): created slave", master->id, slave_id);
- return c;
-}
-
-void h2_slave_destroy(conn_rec *slave)
-{
- ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, slave,
- "h2_stream(%s): destroy slave",
- apr_table_get(slave->notes, H2_TASK_ID_NOTE));
- slave->sbh = NULL;
- apr_pool_destroy(slave->pool);
-}
-
-apr_status_t h2_slave_run_pre_connection(conn_rec *slave, apr_socket_t *csd)
-{
- if (slave->keepalives == 0) {
- /* Simulate that we had already a request on this connection. Some
- * hooks trigger special behaviour when keepalives is 0.
- * (Not necessarily in pre_connection, but later. Set it here, so it
- * is in place.) */
- slave->keepalives = 1;
- /* We signal that this connection will be closed after the request.
- * Which is true in that sense that we throw away all traffic data
- * on this slave connection after each requests. Although we might
- * reuse internal structures like memory pools.
- * The wanted effect of this is that httpd does not try to clean up
- * any dangling data on this connection when a request is done. Which
- * is unneccessary on a h2 stream.
- */
- slave->keepalive = AP_CONN_CLOSE;
- return ap_run_pre_connection(slave, csd);
- }
- return APR_SUCCESS;
-}
-
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