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-rw-r--r--lib/async_req/async_sock.c67
-rw-r--r--lib/async_req/async_sock.h5
2 files changed, 72 insertions, 0 deletions
diff --git a/lib/async_req/async_sock.c b/lib/async_req/async_sock.c
index 323d285729..3563421e0e 100644
--- a/lib/async_req/async_sock.c
+++ b/lib/async_req/async_sock.c
@@ -445,6 +445,73 @@ ssize_t async_send_recv(struct tevent_req *req, int *perrno)
return state->sent;
}
+struct async_recv_state {
+ int fd;
+ void *buf;
+ size_t len;
+ int flags;
+ ssize_t received;
+};
+
+static void async_recv_handler(struct tevent_context *ev,
+ struct tevent_fd *fde,
+ uint16_t flags, void *private_data);
+
+struct tevent_req *async_recv_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ int fd, void *buf, size_t len, int flags)
+{
+ struct tevent_req *result;
+ struct async_recv_state *state;
+ struct tevent_fd *fde;
+
+ result = tevent_req_create(mem_ctx, &state, struct async_recv_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_READ, async_recv_handler,
+ result);
+ if (fde == NULL) {
+ TALLOC_FREE(result);
+ return NULL;
+ }
+ return result;
+}
+
+static void async_recv_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_recv_state *state = talloc_get_type_abort(
+ req->private_state, struct async_recv_state);
+
+ state->received = recv(state->fd, state->buf, state->len,
+ state->flags);
+ if (state->received == -1) {
+ tevent_req_error(req, errno);
+ return;
+ }
+ tevent_req_done(req);
+}
+
+ssize_t async_recv_recv(struct tevent_req *req, int *perrno)
+{
+ struct async_recv_state *state = talloc_get_type_abort(
+ req->private_state, struct async_recv_state);
+
+ if (tevent_req_is_unix_error(req, perrno)) {
+ return -1;
+ }
+ return state->received;
+}
+
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 89dabdac4c..bfc4346d39 100644
--- a/lib/async_req/async_sock.h
+++ b/lib/async_req/async_sock.h
@@ -42,6 +42,11 @@ struct tevent_req *async_send_send(TALLOC_CTX *mem_ctx,
int flags);
ssize_t async_send_recv(struct tevent_req *req, int *perrno);
+struct tevent_req *async_recv_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ int fd, void *buf, size_t len, int flags);
+ssize_t async_recv_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,