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/*
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.
*/
//////////////////////////////////////////////////////////////////////////////////////////////
// statement.cc: Implementation of the statement base class.
//
//
#include "statement.h"
void
Statement::append(Statement *stmt)
{
Statement *tmp = this;
TSReleaseAssert(stmt->_next == nullptr);
while (tmp->_next) {
tmp = tmp->_next;
}
tmp->_next = stmt;
}
ResourceIDs
Statement::get_resource_ids() const
{
const Statement *stmt = this;
ResourceIDs ids = RSRC_NONE;
while (stmt) {
ids = static_cast<ResourceIDs>(ids | stmt->_rsrc);
stmt = stmt->_next;
}
return ids;
}
bool
Statement::set_hook(TSHttpHookID hook)
{
bool ret = std::find(_allowed_hooks.begin(), _allowed_hooks.end(), hook) != _allowed_hooks.end();
if (ret) {
_hook = hook;
}
return ret;
}
// This should be overridden for any Statement which only supports some hooks
void
Statement::initialize_hooks()
{
add_allowed_hook(TS_HTTP_READ_RESPONSE_HDR_HOOK);
add_allowed_hook(TS_HTTP_PRE_REMAP_HOOK);
add_allowed_hook(TS_HTTP_READ_REQUEST_HDR_HOOK);
add_allowed_hook(TS_HTTP_SEND_REQUEST_HDR_HOOK);
add_allowed_hook(TS_HTTP_SEND_RESPONSE_HDR_HOOK);
add_allowed_hook(TS_REMAP_PSEUDO_HOOK);
add_allowed_hook(TS_HTTP_TXN_START_HOOK);
add_allowed_hook(TS_HTTP_TXN_CLOSE_HOOK);
}
// Parse NextHop qualifiers
NextHopQualifiers
Statement::parse_next_hop_qualifier(const std::string &q) const
{
NextHopQualifiers qual = NEXT_HOP_NONE;
if (q == "HOST") {
qual = NEXT_HOP_HOST;
} else if (q == "PORT") {
qual = NEXT_HOP_PORT;
} else {
TSError("[%s] Invalid NextHop() qualifier: %s", PLUGIN_NAME, q.c_str());
}
return qual;
}
// Parse URL qualifiers, this one is special since it's used in a few places.
UrlQualifiers
Statement::parse_url_qualifier(const std::string &q) const
{
UrlQualifiers qual = URL_QUAL_NONE;
if (q == "HOST") {
qual = URL_QUAL_HOST;
} else if (q == "PORT") {
qual = URL_QUAL_PORT;
} else if (q == "PATH") {
qual = URL_QUAL_PATH;
} else if (q == "QUERY") {
qual = URL_QUAL_QUERY;
} else if (q == "MATRIX") {
qual = URL_QUAL_MATRIX;
} else if (q == "SCHEME") {
qual = URL_QUAL_SCHEME;
} else if (q == "URL") {
qual = URL_QUAL_URL;
} else {
TSError("[%s] Invalid URL() qualifier: %s", PLUGIN_NAME, q.c_str());
}
return qual;
}
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