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73 lines
1.3 KiB
C++
73 lines
1.3 KiB
C++
/*
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Copyright (c) 2022 Sogou, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Author: Xie Han (xiehan@sogou-inc.com)
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*/
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#include <errno.h>
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#include "PackageWrapper.h"
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namespace protocol
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{
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int PackageWrapper::encode(struct iovec vectors[], int max)
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{
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int cnt = 0;
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int ret;
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while (max >= 8)
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{
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ret = this->ProtocolWrapper::encode(vectors, max);
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if ((unsigned int)ret > (unsigned int)max)
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{
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if (ret < 0)
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return ret;
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break;
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}
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cnt += ret;
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this->msg = this->next(this->msg);
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if (!this->msg)
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return cnt;
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vectors += ret;
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max -= ret;
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}
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errno = EOVERFLOW;
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return -1;
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}
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int PackageWrapper::append(const void *buf, size_t *size)
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{
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int ret = this->ProtocolWrapper::append(buf, size);
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if (ret > 0)
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{
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this->msg = this->next(this->msg);
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if (this->msg)
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{
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this->renew();
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ret = 0;
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}
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}
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return ret;
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}
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}
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