From a60480b71ad7cdaa495b7624f04bc477a3330cbf Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vl@samba.org>
Date: Mon, 23 Feb 2009 08:53:01 +0100
Subject: Add more conventional async_send
---
lib/async_req/async_sock.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++
lib/async_req/async_sock.h | 6 +++++
2 files changed, 73 insertions(+)
(limited to 'lib/async_req')
diff --git a/lib/async_req/async_sock.c b/lib/async_req/async_sock.c
index 7bb52767af..323d285729 100644
--- a/lib/async_req/async_sock.c
+++ b/lib/async_req/async_sock.c
@@ -378,6 +378,73 @@ struct async_req *async_recv(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
return result;
}
+struct async_send_state {
+ int fd;
+ const void *buf;
+ size_t len;
+ int flags;
+ ssize_t sent;
+};
+
+static void async_send_handler(struct tevent_context *ev,
+ struct tevent_fd *fde,
+ uint16_t flags, void *private_data);
+
+struct tevent_req *async_send_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ int fd, const void *buf, size_t len,
+ int flags)
+{
+ struct tevent_req *result;
+ struct async_send_state *state;
+ struct tevent_fd *fde;
+
+ result = tevent_req_create(mem_ctx, &state, struct async_send_state);
+ if (result == NULL) {
+ return result;
+ }
+ state->fd = fd;
+ state->buf = buf;
+ state->len = len;
+ state->flags = flags;
+
+ fde = tevent_add_fd(ev, state, fd, TEVENT_FD_WRITE, async_send_handler,
+ result);
+ if (fde == NULL) {
+ TALLOC_FREE(result);
+ return NULL;
+ }
+ return result;
+}
+
+static void async_send_handler(struct tevent_context *ev,
+ struct tevent_fd *fde,
+ uint16_t flags, void *private_data)
+{
+ struct tevent_req *req = talloc_get_type_abort(
+ private_data, struct tevent_req);
+ struct async_send_state *state = talloc_get_type_abort(
+ req->private_state, struct async_send_state);
+
+ state->sent = send(state->fd, state->buf, state->len, state->flags);
+ if (state->sent == -1) {
+ tevent_req_error(req, errno);
+ return;
+ }
+ tevent_req_done(req);
+}
+
+ssize_t async_send_recv(struct tevent_req *req, int *perrno)
+{
+ struct async_send_state *state = talloc_get_type_abort(
+ req->private_state, struct async_send_state);
+
+ if (tevent_req_is_unix_error(req, perrno)) {
+ return -1;
+ }
+ return state->sent;
+}
+
struct async_connect_state {
int fd;
int result;
diff --git a/lib/async_req/async_sock.h b/lib/async_req/async_sock.h
index bfa23d7836..89dabdac4c 100644
--- a/lib/async_req/async_sock.h
+++ b/lib/async_req/async_sock.h
@@ -36,6 +36,12 @@ struct async_req *async_recv(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
int fd, void *buffer, size_t length,
int flags);
+struct tevent_req *async_send_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ int fd, const void *buf, size_t len,
+ int flags);
+ssize_t async_send_recv(struct tevent_req *req, int *perrno);
+
struct tevent_req *async_connect_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
int fd, const struct sockaddr *address,
--
cgit