| /** @file |
| |
| A brief file description |
| |
| @section license License |
| |
| 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 "Http2SessionAccept.h" |
| #include "Http2ClientSession.h" |
| #include "I_Machine.h" |
| #include "../IPAllow.h" |
| |
| Http2SessionAccept::Http2SessionAccept(const HttpSessionAccept::Options &_o) : SessionAccept(nullptr), options(_o) |
| { |
| SET_HANDLER(&Http2SessionAccept::mainEvent); |
| } |
| |
| Http2SessionAccept::~Http2SessionAccept() = default; |
| |
| bool |
| Http2SessionAccept::accept(NetVConnection *netvc, MIOBuffer *iobuf, IOBufferReader *reader) |
| { |
| sockaddr const *client_ip = netvc->get_remote_addr(); |
| IpAllow::ACL session_acl = IpAllow::match(client_ip, IpAllow::SRC_ADDR); |
| if (!session_acl.isValid()) { |
| ip_port_text_buffer ipb; |
| Warning("HTTP/2 client '%s' prohibited by ip-allow policy", ats_ip_ntop(client_ip, ipb, sizeof(ipb))); |
| return false; |
| } |
| |
| netvc->attributes = this->options.transport_type; |
| |
| if (is_debug_tag_set("http2_seq")) { |
| ip_port_text_buffer ipb; |
| |
| Debug("http2_seq", "[HttpSessionAccept2:mainEvent %p] accepted connection from %s transport type = %d", netvc, |
| ats_ip_nptop(client_ip, ipb, sizeof(ipb)), netvc->attributes); |
| } |
| |
| Http2ClientSession *new_session = THREAD_ALLOC_INIT(http2ClientSessionAllocator, this_ethread()); |
| new_session->acl = std::move(session_acl); |
| new_session->accept_options = &options; |
| |
| // Pin session to current ET_NET thread |
| new_session->setThreadAffinity(this_ethread()); |
| new_session->new_connection(netvc, iobuf, reader); |
| |
| return true; |
| } |
| |
| int |
| Http2SessionAccept::mainEvent(int event, void *data) |
| { |
| ink_release_assert(event == NET_EVENT_ACCEPT || event == EVENT_ERROR); |
| ink_release_assert((event == NET_EVENT_ACCEPT) ? (data != nullptr) : (1)); |
| |
| if (event == NET_EVENT_ACCEPT) { |
| NetVConnection *netvc = static_cast<NetVConnection *>(data); |
| if (!this->accept(netvc, nullptr, nullptr)) { |
| netvc->do_io_close(); |
| } |
| return EVENT_CONT; |
| } |
| |
| // XXX We should hoist the error handling so that all the protocols generate the statistics |
| // without code duplication. |
| if (((long)data) == -ECONNABORTED) { |
| HTTP_SUM_DYN_STAT(http_ua_msecs_counts_errors_pre_accept_hangups_stat, 0); |
| } |
| |
| ink_abort("HTTP/2 accept received fatal error: errno = %d", -(static_cast<int>((intptr_t)data))); |
| return EVENT_CONT; |
| } |