/* * * 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_INTERNAL_CORE_IOMGR_TCP_SERVER_H #define GRPC_INTERNAL_CORE_IOMGR_TCP_SERVER_H #include "src/core/iomgr/endpoint.h" /* Forward decl of grpc_tcp_server */ typedef struct grpc_tcp_server grpc_tcp_server; /* Called for newly connected TCP connections. */ typedef void (*grpc_tcp_server_cb)(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *ep); /* Create a server, initially not bound to any ports */ grpc_tcp_server *grpc_tcp_server_create(void); /* Start listening to bound ports */ void grpc_tcp_server_start(grpc_exec_ctx *exec_ctx, grpc_tcp_server *server, grpc_pollset **pollsets, size_t pollset_count, grpc_tcp_server_cb on_accept_cb, void *cb_arg); /* 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. For raw access to the underlying sockets, see grpc_tcp_server_get_fd(). */ /* TODO(ctiller): deprecate this, and make grpc_tcp_server_add_ports to handle all of the multiple socket port matching logic in one place */ int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr, size_t addr_len); /* Returns the file descriptor of the Nth listening socket on this server, or -1 if the index is out of bounds. The file descriptor remains owned by the server, and will be cleaned up when grpc_tcp_server_destroy is called. */ int grpc_tcp_server_get_fd(grpc_tcp_server *s, unsigned index); void grpc_tcp_server_destroy(grpc_exec_ctx *exec_ctx, grpc_tcp_server *server, grpc_closure *closure); #endif /* GRPC_INTERNAL_CORE_IOMGR_TCP_SERVER_H */