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/*
Unix SMB/CIFS implementation.
Copyright (C) Stefan Metzmacher 2009
** NOTE! The following LGPL license applies to the tevent
** library. This does NOT imply that all of Samba is released
** under the LGPL
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TSOCKET_INTERNAL_H
#define _TSOCKET_INTERNAL_H
struct tsocket_context_ops {
const char *name;
/* event handling */
int (*set_event_context)(struct tsocket_context *sock,
struct tevent_context *ev);
int (*set_read_handler)(struct tsocket_context *sock,
tsocket_event_handler_t handler,
void *private_data);
int (*set_write_handler)(struct tsocket_context *sock,
tsocket_event_handler_t handler,
void *private_data);
/* client ops */
int (*connect_to)(struct tsocket_context *sock,
const struct tsocket_address *remote_addr);
/* server ops */
int (*listen_on)(struct tsocket_context *sock,
int queue_size);
int (*accept_new)(struct tsocket_context *sock,
TALLOC_CTX *mem_ctx,
struct tsocket_context **new_sock,
const char *location);
/* general ops */
ssize_t (*pending_data)(struct tsocket_context *sock);
int (*readv_data)(struct tsocket_context *sock,
const struct iovec *vector, size_t count);
int (*writev_data)(struct tsocket_context *sock,
const struct iovec *vector, size_t count);
/* info */
int (*get_status)(const struct tsocket_context *sock);
int (*get_local_address)(const struct tsocket_context *sock,
TALLOC_CTX *mem_ctx,
struct tsocket_address **local_addr,
const char *location);
int (*get_remote_address)(const struct tsocket_context *sock,
TALLOC_CTX *mem_ctx,
struct tsocket_address **remote_addr,
const char *location);
/* options */
int (*get_option)(const struct tsocket_context *sock,
const char *option,
TALLOC_CTX *mem_ctx,
char **value);
int (*set_option)(const struct tsocket_context *sock,
const char *option,
bool force,
const char *value);
/* close/disconnect */
void (*disconnect)(struct tsocket_context *sock);
};
struct tsocket_context {
const char *location;
const struct tsocket_context_ops *ops;
void *private_data;
struct {
struct tevent_context *ctx;
void *read_private;
tsocket_event_handler_t read_handler;
void *write_private;
tsocket_event_handler_t write_handler;
} event;
};
struct tsocket_context *_tsocket_context_create(TALLOC_CTX *mem_ctx,
const struct tsocket_context_ops *ops,
void *pstate,
size_t psize,
const char *type,
const char *location);
#define tsocket_context_create(mem_ctx, ops, state, type, location) \
_tsocket_context_create(mem_ctx, ops, state, sizeof(type), \
#type, location)
struct tsocket_address_ops {
const char *name;
char *(*string)(const struct tsocket_address *addr,
TALLOC_CTX *mem_ctx);
struct tsocket_address *(*copy)(const struct tsocket_address *addr,
TALLOC_CTX *mem_ctx,
const char *location);
int (*create_socket)(const struct tsocket_address *addr,
enum tsocket_type,
TALLOC_CTX *mem_ctx,
struct tsocket_context **sock,
const char *location);
};
struct tsocket_address {
const char *location;
const struct tsocket_address_ops *ops;
void *private_data;
};
struct tsocket_address *_tsocket_address_create(TALLOC_CTX *mem_ctx,
const struct tsocket_address_ops *ops,
void *pstate,
size_t psize,
const char *type,
const char *location);
#define tsocket_address_create(mem_ctx, ops, state, type, location) \
_tsocket_address_create(mem_ctx, ops, state, sizeof(type), \
#type, location)
struct tdgram_context_ops {
const char *name;
struct tevent_req *(*recvfrom_send)(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct tdgram_context *dgram);
ssize_t (*recvfrom_recv)(struct tevent_req *req,
int *perrno,
TALLOC_CTX *mem_ctx,
uint8_t **buf,
struct tsocket_address **src);
struct tevent_req *(*sendto_send)(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct tdgram_context *dgram,
const uint8_t *buf, size_t len,
const struct tsocket_address *dst);
ssize_t (*sendto_recv)(struct tevent_req *req,
int *perrno);
struct tevent_req *(*disconnect_send)(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct tdgram_context *dgram);
int (*disconnect_recv)(struct tevent_req *req,
int *perrno);
};
struct tdgram_context *_tdgram_context_create(TALLOC_CTX *mem_ctx,
const struct tdgram_context_ops *ops,
void *pstate,
size_t psize,
const char *type,
const char *location);
#define tdgram_context_create(mem_ctx, ops, state, type, location) \
_tdgram_context_create(mem_ctx, ops, state, sizeof(type), \
#type, location)
void *_tdgram_context_data(struct tdgram_context *dgram);
#define tdgram_context_data(_req, _type) \
talloc_get_type_abort(_tdgram_context_data(_req), _type)
int tsocket_error_from_errno(int ret, int sys_errno, bool *retry);
int tsocket_simple_int_recv(struct tevent_req *req, int *perrno);
int tsocket_common_prepare_fd(int fd, bool high_fd);
#endif /* _TSOCKET_H */
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