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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2015, Magnus Edenhill
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RDKAFKA_TRANSPORT_INT_H_
#define _RDKAFKA_TRANSPORT_INT_H_
/* This header file is to be used by .c files needing access to the
* rd_kafka_transport_t struct internals. */
#include "rdkafka_sasl.h"
#if WITH_SSL
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/pkcs12.h>
#endif
#ifndef _WIN32
#include <sys/socket.h>
#include <netinet/tcp.h>
#endif
struct rd_kafka_transport_s {
rd_socket_t rktrans_s;
rd_kafka_broker_t *rktrans_rkb; /* Not reference counted */
#if WITH_SSL
SSL *rktrans_ssl;
#endif
#ifdef _WIN32
WSAEVENT *rktrans_wsaevent;
rd_bool_t rktrans_blocked; /* Latest send() returned ..WOULDBLOCK.
* We need to poll for FD_WRITE which
* is edge-triggered rather than
* level-triggered.
* This behaviour differs from BSD
* sockets. */
#endif
struct {
void *state; /* SASL implementation
* state handle */
int complete; /* Auth was completed early
* from the client's perspective
* (but we might still have to
* wait for server reply). */
/* SASL framing buffers */
struct msghdr msg;
struct iovec iov[2];
char *recv_buf;
int recv_of; /* Received byte count */
int recv_len; /* Expected receive length for
* current frame. */
} rktrans_sasl;
rd_kafka_buf_t *rktrans_recv_buf; /* Used with framed_recvmsg */
/* Two pollable fds:
* - TCP socket
* - wake-up fd (not used on Win32)
*/
rd_pollfd_t rktrans_pfd[2];
int rktrans_pfd_cnt;
size_t rktrans_rcvbuf_size; /**< Socket receive buffer size */
size_t rktrans_sndbuf_size; /**< Socket send buffer size */
};
extern RD_TLS rd_kafka_transport_t *rd_kafka_curr_transport;
#endif /* _RDKAFKA_TRANSPORT_INT_H_ */
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