1 files changed, 0 insertions, 316 deletions
diff --git a/lib/tsocket/tsocket_writev.c b/lib/tsocket/tsocket_writev.c
deleted file mode 100644
index 8c5cd40385..0000000000
--- a/lib/tsocket/tsocket_writev.c
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
-   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/>.
-*/
-
-#include "replace.h"
-#include "system/network.h"
-#include "tsocket.h"
-#include "tsocket_internal.h"
-
-struct tsocket_writev_state {
-	/* this structs are owned by the caller */
-	struct {
-		struct tsocket_context *sock;
-		const struct iovec *vector;
-		size_t count;
-	} caller;
-
-	struct iovec *iov;
-	size_t count;
-	int total_written;
-};
-
-static int tsocket_writev_state_destructor(struct tsocket_writev_state *state)
-{
-	if (state->caller.sock) {
-		tsocket_set_writeable_handler(state->caller.sock, NULL, NULL);
-	}
-	ZERO_STRUCT(state->caller);
-
-	return 0;
-}
-
-static void tsocket_writev_handler(struct tsocket_context *sock,
-				   void *private_data);
-
-struct tevent_req *tsocket_writev_send(struct tsocket_context *sock,
-				       TALLOC_CTX *mem_ctx,
-				       const struct iovec *vector,
-				       size_t count)
-{
-	struct tevent_req *req;
-	struct tsocket_writev_state *state;
-	int ret;
-	int err;
-	bool dummy;
-	int to_write = 0;
-	size_t i;
-
-	req = tevent_req_create(mem_ctx, &state,
-				struct tsocket_writev_state);
-	if (!req) {
-		return NULL;
-	}
-
-	state->caller.sock	= sock;
-	state->caller.vector	= vector;
-	state->caller.count	= count;
-
-	state->iov		= NULL;
-	state->count		= count;
-	state->total_written	= 0;
-
-	state->iov = talloc_array(state, struct iovec, count);
-	if (tevent_req_nomem(state->iov, req)) {
-		goto post;
-	}
-	memcpy(state->iov, vector, sizeof(struct iovec) * count);
-
-	for (i=0; i < count; i++) {
-		int tmp = to_write;
-
-		tmp += state->iov[i].iov_len;
-
-		if (tmp < to_write) {
-			tevent_req_error(req, EMSGSIZE);
-			goto post;
-		}
-
-		to_write = tmp;
-	}
-
-	if (to_write == 0) {
-		tevent_req_done(req);
-		goto post;
-	}
-
-	/*
-	 * this is a fast path, not waiting for the
-	 * socket to become explicit writeable gains
-	 * about 10%-20% performance in benchmark tests.
-	 */
-	tsocket_writev_handler(sock, req);
-	if (!tevent_req_is_in_progress(req)) {
-		goto post;
-	}
-
-	talloc_set_destructor(state, tsocket_writev_state_destructor);
-
-	ret = tsocket_set_writeable_handler(sock,
-					    tsocket_writev_handler,
-					    req);
-	err = tsocket_error_from_errno(ret, errno, &dummy);
-	if (tevent_req_error(req, err)) {
-		goto post;
-	}
-
-	return req;
-
- post:
-	return tevent_req_post(req, sock->event.ctx);
-}
-
-static void tsocket_writev_handler(struct tsocket_context *sock,
-				   void *private_data)
-{
-	struct tevent_req *req = talloc_get_type(private_data,
-				 struct tevent_req);
-	struct tsocket_writev_state *state = tevent_req_data(req,
-					     struct tsocket_writev_state);
-	int ret;
-	int err;
-	bool retry;
-
-	ret = tsocket_writev(state->caller.sock,
-			     state->iov,
-			     state->count);
-	err = tsocket_error_from_errno(ret, errno, &retry);
-	if (retry) {
-		/* retry later */
-		return;
-	}
-	if (tevent_req_error(req, err)) {
-		return;
-	}
-
-	state->total_written += ret;
-
-	/*
-	 * we have not written everything yet, so we need to truncate
-	 * the already written bytes from our iov copy
-	 */
-	while (ret > 0) {
-		if (ret < state->iov[0].iov_len) {
-			uint8_t *base;
-			base = (uint8_t *)state->iov[0].iov_base;
-			base += ret;
-			state->iov[0].iov_base = base;
-			state->iov[0].iov_len -= ret;
-			break;
-		}
-		ret -= state->iov[0].iov_len;
-		state->iov += 1;
-		state->count -= 1;
-	}
-
-	if (state->count > 0) {
-		/* more to write */
-		return;
-	}
-
-	tevent_req_done(req);
-}
-
-int tsocket_writev_recv(struct tevent_req *req, int *perrno)
-{
-	struct tsocket_writev_state *state = tevent_req_data(req,
-					     struct tsocket_writev_state);
-	int ret;
-
-	ret = tsocket_simple_int_recv(req, perrno);
-	if (ret == 0) {
-		ret = state->total_written;
-	}
-
-	tevent_req_received(req);
-	return ret;
-}
-
-struct tsocket_writev_queue_state {
-	/* this structs are owned by the caller */
-	struct {
-		struct tsocket_context *sock;
-		const struct iovec *vector;
-		size_t count;
-	} caller;
-	int ret;
-};
-
-static void tsocket_writev_queue_trigger(struct tevent_req *req,
-					 void *private_data);
-static void tsocket_writev_queue_done(struct tevent_req *subreq);
-
-/**
- * @brief Queue a dgram blob for sending through the socket
- * @param[in] mem_ctx	The memory context for the result
- * @param[in] sock	The socket to send data through
- * @param[in] queue	The existing send queue
- * @param[in] vector	The iovec vector so write
- * @param[in] count	The size of the vector
- * @retval		The async request handle
- *
- * This function queues a blob for sending to destination through an existing
- * dgram socket. The async callback is triggered when the whole blob is
- * delivered to the underlying system socket.
- *
- * The caller needs to make sure that all non-scalar input parameters hang
- * arround for the whole lifetime of the request.
- */
-struct tevent_req *tsocket_writev_queue_send(TALLOC_CTX *mem_ctx,
-					     struct tsocket_context *sock,
-					     struct tevent_queue *queue,
-					     const struct iovec *vector,
-					     size_t count)
-{
-	struct tevent_req *req;
-	struct tsocket_writev_queue_state *state;
-	bool ok;
-
-	req = tevent_req_create(mem_ctx, &state,
-				struct tsocket_writev_queue_state);
-	if (!req) {
-		return NULL;
-	}
-
-	state->caller.sock	= sock;
-	state->caller.vector	= vector;
-	state->caller.count	= count;
-	state->ret		= -1;
-
-	ok = tevent_queue_add(queue,
-			      sock->event.ctx,
-			      req,
-			      tsocket_writev_queue_trigger,
-			      NULL);
-	if (!ok) {
-		tevent_req_nomem(NULL, req);
-		goto post;
-	}
-
-	return req;
-
- post:
-	return tevent_req_post(req, sock->event.ctx);
-}
-
-static void tsocket_writev_queue_trigger(struct tevent_req *req,
-					 void *private_data)
-{
-	struct tsocket_writev_queue_state *state = tevent_req_data(req,
-					struct tsocket_writev_queue_state);
-	struct tevent_req *subreq;
-
-	subreq = tsocket_writev_send(state->caller.sock,
-				     state,
-				     state->caller.vector,
-				     state->caller.count);
-	if (tevent_req_nomem(subreq, req)) {
-		return;
-	}
-	tevent_req_set_callback(subreq, tsocket_writev_queue_done ,req);
-}
-
-static void tsocket_writev_queue_done(struct tevent_req *subreq)
-{
-	struct tevent_req *req = tevent_req_callback_data(subreq,
-				 struct tevent_req);
-	struct tsocket_writev_queue_state *state = tevent_req_data(req,
-					struct tsocket_writev_queue_state);
-	int ret;
-	int sys_errno;
-
-	ret = tsocket_writev_recv(subreq, &sys_errno);
-	talloc_free(subreq);
-	if (ret == -1) {
-		tevent_req_error(req, sys_errno);
-		return;
-	}
-	state->ret = ret;
-
-	tevent_req_done(req);
-}
-
-int tsocket_writev_queue_recv(struct tevent_req *req, int *perrno)
-{
-	struct tsocket_writev_queue_state *state = tevent_req_data(req,
-					struct tsocket_writev_queue_state);
-	int ret;
-
-	ret = tsocket_simple_int_recv(req, perrno);
-	if (ret == 0) {
-		ret = state->ret;
-	}
-
-	tevent_req_received(req);
-	return ret;
-}
-