async_send->sendto, async_recv->recvfrom

2 files changed, 53 insertions, 42 deletions

diff --git a/lib/async_req/async_sock.c b/lib/async_req/async_sock.c
index 18adb42a0cb..9b2a625bbe8 100644
--- a/lib/async_req/async_sock.c
+++ b/lib/async_req/async_sock.c
@@ -36,28 +36,30 @@
 #define TALLOC_FREE(ctx) do { talloc_free(ctx); ctx=NULL; } while(0)
 #endif
 
-struct async_send_state {
+struct sendto_state {
 	int fd;
 	const void *buf;
 	size_t len;
 	int flags;
+	const struct sockaddr *addr;
+	socklen_t addr_len;
 	ssize_t sent;
 };
 
-static void async_send_handler(struct tevent_context *ev,
+static void sendto_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 *sendto_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
+			       int fd, const void *buf, size_t len, int flags,
+			       const struct sockaddr *addr,
+			       socklen_t addr_len)
 {
 	struct tevent_req *result;
-	struct async_send_state *state;
+	struct sendto_state *state;
 	struct tevent_fd *fde;
 
-	result = tevent_req_create(mem_ctx, &state, struct async_send_state);
+	result = tevent_req_create(mem_ctx, &state, struct sendto_state);
 	if (result == NULL) {
 		return result;
 	}
@@ -65,8 +67,10 @@ struct tevent_req *async_send_send(TALLOC_CTX *mem_ctx,
 	state->buf = buf;
 	state->len = len;
 	state->flags = flags;
+	state->addr = addr;
+	state->addr_len = addr_len;
 
-	fde = tevent_add_fd(ev, state, fd, TEVENT_FD_WRITE, async_send_handler,
+	fde = tevent_add_fd(ev, state, fd, TEVENT_FD_WRITE, sendto_handler,
 			    result);
 	if (fde == NULL) {
 		TALLOC_FREE(result);
@@ -75,16 +79,17 @@ struct tevent_req *async_send_send(TALLOC_CTX *mem_ctx,
 	return result;
 }
 
-static void async_send_handler(struct tevent_context *ev,
+static void sendto_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 =
-		tevent_req_data(req, struct async_send_state);
+	struct sendto_state *state =
+		tevent_req_data(req, struct sendto_state);
 
-	state->sent = send(state->fd, state->buf, state->len, state->flags);
+	state->sent = sendto(state->fd, state->buf, state->len, state->flags,
+			     state->addr, state->addr_len);
 	if ((state->sent == -1) && (errno == EINTR)) {
 		/* retry */
 		return;
@@ -96,10 +101,10 @@ static void async_send_handler(struct tevent_context *ev,
 	tevent_req_done(req);
 }
 
-ssize_t async_send_recv(struct tevent_req *req, int *perrno)
+ssize_t sendto_recv(struct tevent_req *req, int *perrno)
 {
-	struct async_send_state *state =
-		tevent_req_data(req, struct async_send_state);
+	struct sendto_state *state =
+		tevent_req_data(req, struct sendto_state);
 
 	if (tevent_req_is_unix_error(req, perrno)) {
 		return -1;
@@ -107,27 +112,30 @@ ssize_t async_send_recv(struct tevent_req *req, int *perrno)
 	return state->sent;
 }
 
-struct async_recv_state {
+struct recvfrom_state {
 	int fd;
 	void *buf;
 	size_t len;
 	int flags;
+	struct sockaddr *addr;
+	socklen_t *addr_len;
 	ssize_t received;
 };
 
-static void async_recv_handler(struct tevent_context *ev,
+static void recvfrom_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 *recvfrom_send(TALLOC_CTX *mem_ctx,
+				 struct tevent_context *ev,
+				 int fd, void *buf, size_t len, int flags,
+				 struct sockaddr *addr, socklen_t *addr_len)
 {
 	struct tevent_req *result;
-	struct async_recv_state *state;
+	struct recvfrom_state *state;
 	struct tevent_fd *fde;
 
-	result = tevent_req_create(mem_ctx, &state, struct async_recv_state);
+	result = tevent_req_create(mem_ctx, &state, struct recvfrom_state);
 	if (result == NULL) {
 		return result;
 	}
@@ -135,8 +143,10 @@ struct tevent_req *async_recv_send(TALLOC_CTX *mem_ctx,
 	state->buf = buf;
 	state->len = len;
 	state->flags = flags;
+	state->addr = addr;
+	state->addr_len = addr_len;
 
-	fde = tevent_add_fd(ev, state, fd, TEVENT_FD_READ, async_recv_handler,
+	fde = tevent_add_fd(ev, state, fd, TEVENT_FD_READ, recvfrom_handler,
 			    result);
 	if (fde == NULL) {
 		TALLOC_FREE(result);
@@ -145,17 +155,17 @@ struct tevent_req *async_recv_send(TALLOC_CTX *mem_ctx,
 	return result;
 }
 
-static void async_recv_handler(struct tevent_context *ev,
+static void recvfrom_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 =
-		tevent_req_data(req, struct async_recv_state);
+	struct recvfrom_state *state =
+		tevent_req_data(req, struct recvfrom_state);
 
-	state->received = recv(state->fd, state->buf, state->len,
-			       state->flags);
+	state->received = recvfrom(state->fd, state->buf, state->len,
+				   state->flags, state->addr, state->addr_len);
 	if ((state->received == -1) && (errno == EINTR)) {
 		/* retry */
 		return;
@@ -171,10 +181,10 @@ static void async_recv_handler(struct tevent_context *ev,
 	tevent_req_done(req);
 }
 
-ssize_t async_recv_recv(struct tevent_req *req, int *perrno)
+ssize_t recvfrom_recv(struct tevent_req *req, int *perrno)
 {
-	struct async_recv_state *state =
-		tevent_req_data(req, struct async_recv_state);
+	struct recvfrom_state *state =
+		tevent_req_data(req, struct recvfrom_state);
 
 	if (tevent_req_is_unix_error(req, perrno)) {
 		return -1;
diff --git a/lib/async_req/async_sock.h b/lib/async_req/async_sock.h
index e7ddff8c92a..d87b2c14452 100644
--- a/lib/async_req/async_sock.h
+++ b/lib/async_req/async_sock.h
@@ -27,16 +27,17 @@
 #include <talloc.h>
 #include <tevent.h>
 
-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_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 *sendto_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
+			       int fd, const void *buf, size_t len, int flags,
+			       const struct sockaddr *addr,
+			       socklen_t addr_len);
+ssize_t sendto_recv(struct tevent_req *req, int *perrno);
+
+struct tevent_req *recvfrom_send(TALLOC_CTX *mem_ctx,
+				 struct tevent_context *ev,
+				 int fd, void *buf, size_t len, int flags,
+				 struct sockaddr *addr, socklen_t *addr_len);
+ssize_t recvfrom_recv(struct tevent_req *req, int *perrno);
 
 struct tevent_req *async_connect_send(TALLOC_CTX *mem_ctx,
 				      struct tevent_context *ev,