mirror of https://github.com/Icinga/icinga2.git
139 lines
3.4 KiB
C++
139 lines
3.4 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "i2-base.h"
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using namespace icinga;
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static int I2Stream_new(BIO *bi);
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static int I2Stream_free(BIO *bi);
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static int I2Stream_read(BIO *bi, char *out, int outl);
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static int I2Stream_write(BIO *bi, const char *in, int inl);
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static long I2Stream_ctrl(BIO *bi, int cmd, long num, void *ptr);
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#define BIO_TYPE_I2STREAM (99|0x0400|0x0100)
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static BIO_METHOD I2Stream_method =
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{
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BIO_TYPE_I2STREAM,
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"Icinga Stream",
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I2Stream_write,
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I2Stream_read,
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NULL,
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NULL,
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I2Stream_ctrl,
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I2Stream_new,
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I2Stream_free,
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NULL,
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};
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typedef struct I2Stream_bio_s
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{
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Stream::Ptr StreamObj;
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boost::exception_ptr Exception;
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} I2Stream_bio_t;
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BIO_METHOD *BIO_s_I2Stream(void)
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{
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return &I2Stream_method;
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}
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BIO *icinga::BIO_new_I2Stream(const Stream::Ptr& stream)
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{
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BIO *bi = BIO_new(BIO_s_I2Stream());
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if (bi == NULL)
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return NULL;
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I2Stream_bio_t *bp = (I2Stream_bio_t *)bi->ptr;
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bp->StreamObj = stream;
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return bi;
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}
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void icinga::I2Stream_check_exception(BIO *bi) {
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I2Stream_bio_t *bp = (I2Stream_bio_t *)bi->ptr;
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if (bp->Exception) {
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boost::exception_ptr ptr = bp->Exception;
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bp->Exception = boost::exception_ptr();
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rethrow_exception(ptr);
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}
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}
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static int I2Stream_new(BIO *bi)
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{
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bi->shutdown = 0;
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bi->init = 1;
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bi->num = -1;
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bi->ptr = new I2Stream_bio_t;
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return 1;
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}
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static int I2Stream_free(BIO *bi)
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{
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I2Stream_bio_t *bp = (I2Stream_bio_t *)bi->ptr;
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delete bp;
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return 1;
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}
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static int I2Stream_read(BIO *bi, char *out, int outl)
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{
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I2Stream_bio_t *bp = (I2Stream_bio_t *)bi->ptr;
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size_t data_read;
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BIO_clear_retry_flags(bi);
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try {
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data_read = bp->StreamObj->Read(out, outl);
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} catch (...) {
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bp->Exception = boost::current_exception();
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return -1;
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}
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if (data_read == 0) {
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BIO_set_retry_read(bi);
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return -1;
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}
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return data_read;
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}
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static int I2Stream_write(BIO *bi, const char *in, int inl)
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{
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I2Stream_bio_t *bp = (I2Stream_bio_t *)bi->ptr;
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bp->StreamObj->Write(in, inl);
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return inl;
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}
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static long I2Stream_ctrl(BIO *, int cmd, long, void *)
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{
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switch (cmd) {
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case BIO_CTRL_FLUSH:
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return 1;
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default:
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return 0;
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}
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}
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