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Diffstat (limited to 'src/core/lib/iomgr/udp_server.h')
| -rw-r--r-- | src/core/lib/iomgr/udp_server.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/core/lib/iomgr/udp_server.h b/src/core/lib/iomgr/udp_server.h new file mode 100644 index 0000000000..d8cf957a22 --- /dev/null +++ b/src/core/lib/iomgr/udp_server.h @@ -0,0 +1,77 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef GRPC_CORE_LIB_IOMGR_UDP_SERVER_H +#define GRPC_CORE_LIB_IOMGR_UDP_SERVER_H + +#include "src/core/lib/iomgr/endpoint.h" +#include "src/core/lib/iomgr/ev_posix.h" + +/* Forward decl of struct grpc_server */ +/* This is not typedef'ed to avoid a typedef-redefinition error */ +struct grpc_server; + +/* Forward decl of grpc_udp_server */ +typedef struct grpc_udp_server grpc_udp_server; + +/* Called when data is available to read from the socket. */ +typedef void (*grpc_udp_server_read_cb)(grpc_exec_ctx *exec_ctx, grpc_fd *emfd, + struct grpc_server *server); + +/* Create a server, initially not bound to any ports */ +grpc_udp_server *grpc_udp_server_create(void); + +/* Start listening to bound ports */ +void grpc_udp_server_start(grpc_exec_ctx *exec_ctx, grpc_udp_server *udp_server, + grpc_pollset **pollsets, size_t pollset_count, + struct grpc_server *server); + +int grpc_udp_server_get_fd(grpc_udp_server *s, unsigned index); + +/* Add a port to the server, returning port number on success, or negative + on failure. + + The :: and 0.0.0.0 wildcard addresses are treated identically, accepting + both IPv4 and IPv6 connections, but :: is the preferred style. This usually + creates one socket, but possibly two on systems which support IPv6, + but not dualstack sockets. */ + +/* TODO(ctiller): deprecate this, and make grpc_udp_server_add_ports to handle + all of the multiple socket port matching logic in one place */ +int grpc_udp_server_add_port(grpc_udp_server *s, const void *addr, + size_t addr_len, grpc_udp_server_read_cb read_cb); + +void grpc_udp_server_destroy(grpc_exec_ctx *exec_ctx, grpc_udp_server *server, + grpc_closure *on_done); + +#endif /* GRPC_CORE_LIB_IOMGR_UDP_SERVER_H */ |