--- /dev/null
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+/* FIXME: "posix" files shouldn't be depending on _GNU_SOURCE */
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#include <grpc/support/port_platform.h>
+
+#include "src/core/lib/iomgr/port.h"
+
+#ifdef GRPC_POSIX_SOCKET_TCP_SERVER
+
+#include <errno.h>
+#include <fcntl.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/time.h>
+
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/gpr/string.h"
+#include "src/core/lib/gprpp/memory.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
+#include "src/core/lib/iomgr/socket_utils_posix.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/tcp_server_utils_posix.h"
+#include "src/core/lib/iomgr/unix_sockets_posix.h"
+
+static grpc_error* tcp_server_create(grpc_closure* shutdown_complete,
+ const grpc_channel_args* args,
+ grpc_tcp_server** server) {
+ grpc_tcp_server* s =
+ static_cast<grpc_tcp_server*>(gpr_zalloc(sizeof(grpc_tcp_server)));
+ s->so_reuseport = grpc_is_socket_reuse_port_supported();
+ s->expand_wildcard_addrs = false;
+ for (size_t i = 0; i < (args == nullptr ? 0 : args->num_args); i++) {
+ if (0 == strcmp(GRPC_ARG_ALLOW_REUSEPORT, args->args[i].key)) {
+ if (args->args[i].type == GRPC_ARG_INTEGER) {
+ s->so_reuseport = grpc_is_socket_reuse_port_supported() &&
+ (args->args[i].value.integer != 0);
+ } else {
+ gpr_free(s);
+ return GRPC_ERROR_CREATE_FROM_STATIC_STRING(GRPC_ARG_ALLOW_REUSEPORT
+ " must be an integer");
+ }
+ } else if (0 == strcmp(GRPC_ARG_EXPAND_WILDCARD_ADDRS, args->args[i].key)) {
+ if (args->args[i].type == GRPC_ARG_INTEGER) {
+ s->expand_wildcard_addrs = (args->args[i].value.integer != 0);
+ } else {
+ gpr_free(s);
+ return GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+ GRPC_ARG_EXPAND_WILDCARD_ADDRS " must be an integer");
+ }
+ }
+ }
+ gpr_ref_init(&s->refs, 1);
+ gpr_mu_init(&s->mu);
+ s->active_ports = 0;
+ s->destroyed_ports = 0;
+ s->shutdown = false;
+ s->shutdown_starting.head = nullptr;
+ s->shutdown_starting.tail = nullptr;
+ s->shutdown_complete = shutdown_complete;
+ s->on_accept_cb = nullptr;
+ s->on_accept_cb_arg = nullptr;
+ s->head = nullptr;
+ s->tail = nullptr;
+ s->nports = 0;
+ s->channel_args = grpc_channel_args_copy(args);
+ s->fd_handler = nullptr;
+ gpr_atm_no_barrier_store(&s->next_pollset_to_assign, 0);
+ *server = s;
+ return GRPC_ERROR_NONE;
+}
+
+static void finish_shutdown(grpc_tcp_server* s) {
+ gpr_mu_lock(&s->mu);
+ GPR_ASSERT(s->shutdown);
+ gpr_mu_unlock(&s->mu);
+ if (s->shutdown_complete != nullptr) {
+ GRPC_CLOSURE_SCHED(s->shutdown_complete, GRPC_ERROR_NONE);
+ }
+
+ gpr_mu_destroy(&s->mu);
+
+ while (s->head) {
+ grpc_tcp_listener* sp = s->head;
+ s->head = sp->next;
+ gpr_free(sp);
+ }
+ grpc_channel_args_destroy(s->channel_args);
+ grpc_core::Delete(s->fd_handler);
+
+ gpr_free(s);
+}
+
+static void destroyed_port(void* server, grpc_error* error) {
+ grpc_tcp_server* s = static_cast<grpc_tcp_server*>(server);
+ gpr_mu_lock(&s->mu);
+ s->destroyed_ports++;
+ if (s->destroyed_ports == s->nports) {
+ gpr_mu_unlock(&s->mu);
+ finish_shutdown(s);
+ } else {
+ GPR_ASSERT(s->destroyed_ports < s->nports);
+ gpr_mu_unlock(&s->mu);
+ }
+}
+
+/* called when all listening endpoints have been shutdown, so no further
+ events will be received on them - at this point it's safe to destroy
+ things */
+static void deactivated_all_ports(grpc_tcp_server* s) {
+ /* delete ALL the things */
+ gpr_mu_lock(&s->mu);
+
+ GPR_ASSERT(s->shutdown);
+
+ if (s->head) {
+ grpc_tcp_listener* sp;
+ for (sp = s->head; sp; sp = sp->next) {
+ grpc_unlink_if_unix_domain_socket(&sp->addr);
+ GRPC_CLOSURE_INIT(&sp->destroyed_closure, destroyed_port, s,
+ grpc_schedule_on_exec_ctx);
+ grpc_fd_orphan(sp->emfd, &sp->destroyed_closure, nullptr,
+ "tcp_listener_shutdown");
+ }
+ gpr_mu_unlock(&s->mu);
+ } else {
+ gpr_mu_unlock(&s->mu);
+ finish_shutdown(s);
+ }
+}
+
+static void tcp_server_destroy(grpc_tcp_server* s) {
+ gpr_mu_lock(&s->mu);
+
+ GPR_ASSERT(!s->shutdown);
+ s->shutdown = true;
+
+ /* shutdown all fd's */
+ if (s->active_ports) {
+ grpc_tcp_listener* sp;
+ for (sp = s->head; sp; sp = sp->next) {
+ grpc_fd_shutdown(
+ sp->emfd, GRPC_ERROR_CREATE_FROM_STATIC_STRING("Server destroyed"));
+ }
+ gpr_mu_unlock(&s->mu);
+ } else {
+ gpr_mu_unlock(&s->mu);
+ deactivated_all_ports(s);
+ }
+}
+
+/* event manager callback when reads are ready */
+static void on_read(void* arg, grpc_error* err) {
+ grpc_tcp_listener* sp = static_cast<grpc_tcp_listener*>(arg);
+ grpc_pollset* read_notifier_pollset;
+ if (err != GRPC_ERROR_NONE) {
+ goto error;
+ }
+
+ /* loop until accept4 returns EAGAIN, and then re-arm notification */
+ for (;;) {
+ grpc_resolved_address addr;
+ char* addr_str;
+ char* name;
+ memset(&addr, 0, sizeof(addr));
+ addr.len = static_cast<socklen_t>(sizeof(struct sockaddr_storage));
+ /* Note: If we ever decide to return this address to the user, remember to
+ strip off the ::ffff:0.0.0.0/96 prefix first. */
+ int fd = grpc_accept4(sp->fd, &addr, 1, 1);
+ if (fd < 0) {
+ switch (errno) {
+ case EINTR:
+ continue;
+ case EAGAIN:
+ grpc_fd_notify_on_read(sp->emfd, &sp->read_closure);
+ return;
+ default:
+ gpr_mu_lock(&sp->server->mu);
+ if (!sp->server->shutdown_listeners) {
+ gpr_log(GPR_ERROR, "Failed accept4: %s", strerror(errno));
+ } else {
+ /* if we have shutdown listeners, accept4 could fail, and we
+ needn't notify users */
+ }
+ gpr_mu_unlock(&sp->server->mu);
+ goto error;
+ }
+ }
+
+ /* For UNIX sockets, the accept call might not fill up the member sun_path
+ * of sockaddr_un, so explicitly call getsockname to get it. */
+ if (grpc_is_unix_socket(&addr)) {
+ memset(&addr, 0, sizeof(addr));
+ addr.len = static_cast<socklen_t>(sizeof(struct sockaddr_storage));
+ if (getsockname(fd, reinterpret_cast<struct sockaddr*>(addr.addr),
+ &(addr.len)) < 0) {
+ gpr_log(GPR_ERROR, "Failed getsockname: %s", strerror(errno));
+ close(fd);
+ goto error;
+ }
+ }
+
+ grpc_set_socket_no_sigpipe_if_possible(fd);
+
+ addr_str = grpc_sockaddr_to_uri(&addr);
+ gpr_asprintf(&name, "tcp-server-connection:%s", addr_str);
+
+ if (GRPC_TRACE_FLAG_ENABLED(grpc_tcp_trace)) {
+ gpr_log(GPR_INFO, "SERVER_CONNECT: incoming connection: %s", addr_str);
+ }
+
+ grpc_fd* fdobj = grpc_fd_create(fd, name, true);
+
+ read_notifier_pollset =
+ sp->server->pollsets[static_cast<size_t>(gpr_atm_no_barrier_fetch_add(
+ &sp->server->next_pollset_to_assign, 1)) %
+ sp->server->pollset_count];
+
+ grpc_pollset_add_fd(read_notifier_pollset, fdobj);
+
+ // Create acceptor.
+ grpc_tcp_server_acceptor* acceptor =
+ static_cast<grpc_tcp_server_acceptor*>(gpr_malloc(sizeof(*acceptor)));
+ acceptor->from_server = sp->server;
+ acceptor->port_index = sp->port_index;
+ acceptor->fd_index = sp->fd_index;
+ acceptor->external_connection = false;
+
+ sp->server->on_accept_cb(
+ sp->server->on_accept_cb_arg,
+ grpc_tcp_create(fdobj, sp->server->channel_args, addr_str),
+ read_notifier_pollset, acceptor);
+
+ gpr_free(name);
+ gpr_free(addr_str);
+ }
+
+ GPR_UNREACHABLE_CODE(return );
+
+error:
+ gpr_mu_lock(&sp->server->mu);
+ if (0 == --sp->server->active_ports && sp->server->shutdown) {
+ gpr_mu_unlock(&sp->server->mu);
+ deactivated_all_ports(sp->server);
+ } else {
+ gpr_mu_unlock(&sp->server->mu);
+ }
+}
+
+/* Treat :: or 0.0.0.0 as a family-agnostic wildcard. */
+static grpc_error* add_wildcard_addrs_to_server(grpc_tcp_server* s,
+ unsigned port_index,
+ int requested_port,
+ int* out_port) {
+ grpc_resolved_address wild4;
+ grpc_resolved_address wild6;
+ unsigned fd_index = 0;
+ grpc_dualstack_mode dsmode;
+ grpc_tcp_listener* sp = nullptr;
+ grpc_tcp_listener* sp2 = nullptr;
+ grpc_error* v6_err = GRPC_ERROR_NONE;
+ grpc_error* v4_err = GRPC_ERROR_NONE;
+ *out_port = -1;
+
+ if (grpc_tcp_server_have_ifaddrs() && s->expand_wildcard_addrs) {
+ return grpc_tcp_server_add_all_local_addrs(s, port_index, requested_port,
+ out_port);
+ }
+
+ grpc_sockaddr_make_wildcards(requested_port, &wild4, &wild6);
+ /* Try listening on IPv6 first. */
+ if ((v6_err = grpc_tcp_server_add_addr(s, &wild6, port_index, fd_index,
+ &dsmode, &sp)) == GRPC_ERROR_NONE) {
+ ++fd_index;
+ requested_port = *out_port = sp->port;
+ if (dsmode == GRPC_DSMODE_DUALSTACK || dsmode == GRPC_DSMODE_IPV4) {
+ return GRPC_ERROR_NONE;
+ }
+ }
+ /* If we got a v6-only socket or nothing, try adding 0.0.0.0. */
+ grpc_sockaddr_set_port(&wild4, requested_port);
+ if ((v4_err = grpc_tcp_server_add_addr(s, &wild4, port_index, fd_index,
+ &dsmode, &sp2)) == GRPC_ERROR_NONE) {
+ *out_port = sp2->port;
+ if (sp != nullptr) {
+ sp2->is_sibling = 1;
+ sp->sibling = sp2;
+ }
+ }
+ if (*out_port > 0) {
+ if (v6_err != GRPC_ERROR_NONE) {
+ gpr_log(GPR_INFO,
+ "Failed to add :: listener, "
+ "the environment may not support IPv6: %s",
+ grpc_error_string(v6_err));
+ GRPC_ERROR_UNREF(v6_err);
+ }
+ if (v4_err != GRPC_ERROR_NONE) {
+ gpr_log(GPR_INFO,
+ "Failed to add 0.0.0.0 listener, "
+ "the environment may not support IPv4: %s",
+ grpc_error_string(v4_err));
+ GRPC_ERROR_UNREF(v4_err);
+ }
+ return GRPC_ERROR_NONE;
+ } else {
+ grpc_error* root_err = GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+ "Failed to add any wildcard listeners");
+ GPR_ASSERT(v6_err != GRPC_ERROR_NONE && v4_err != GRPC_ERROR_NONE);
+ root_err = grpc_error_add_child(root_err, v6_err);
+ root_err = grpc_error_add_child(root_err, v4_err);
+ return root_err;
+ }
+}
+
+static grpc_error* clone_port(grpc_tcp_listener* listener, unsigned count) {
+ grpc_tcp_listener* sp = nullptr;
+ char* addr_str;
+ char* name;
+ grpc_error* err;
+
+ for (grpc_tcp_listener* l = listener->next; l && l->is_sibling; l = l->next) {
+ l->fd_index += count;
+ }
+
+ for (unsigned i = 0; i < count; i++) {
+ int fd = -1;
+ int port = -1;
+ grpc_dualstack_mode dsmode;
+ err = grpc_create_dualstack_socket(&listener->addr, SOCK_STREAM, 0, &dsmode,
+ &fd);
+ if (err != GRPC_ERROR_NONE) return err;
+ err = grpc_tcp_server_prepare_socket(listener->server, fd, &listener->addr,
+ true, &port);
+ if (err != GRPC_ERROR_NONE) return err;
+ listener->server->nports++;
+ grpc_sockaddr_to_string(&addr_str, &listener->addr, 1);
+ gpr_asprintf(&name, "tcp-server-listener:%s/clone-%d", addr_str, i);
+ sp = static_cast<grpc_tcp_listener*>(gpr_malloc(sizeof(grpc_tcp_listener)));
+ sp->next = listener->next;
+ listener->next = sp;
+ /* sp (the new listener) is a sibling of 'listener' (the original
+ listener). */
+ sp->is_sibling = 1;
+ sp->sibling = listener->sibling;
+ listener->sibling = sp;
+ sp->server = listener->server;
+ sp->fd = fd;
+ sp->emfd = grpc_fd_create(fd, name, true);
+ memcpy(&sp->addr, &listener->addr, sizeof(grpc_resolved_address));
+ sp->port = port;
+ sp->port_index = listener->port_index;
+ sp->fd_index = listener->fd_index + count - i;
+ GPR_ASSERT(sp->emfd);
+ while (listener->server->tail->next != nullptr) {
+ listener->server->tail = listener->server->tail->next;
+ }
+ gpr_free(addr_str);
+ gpr_free(name);
+ }
+
+ return GRPC_ERROR_NONE;
+}
+
+static grpc_error* tcp_server_add_port(grpc_tcp_server* s,
+ const grpc_resolved_address* addr,
+ int* out_port) {
+ grpc_tcp_listener* sp;
+ grpc_resolved_address sockname_temp;
+ grpc_resolved_address addr6_v4mapped;
+ int requested_port = grpc_sockaddr_get_port(addr);
+ unsigned port_index = 0;
+ grpc_dualstack_mode dsmode;
+ grpc_error* err;
+ *out_port = -1;
+ if (s->tail != nullptr) {
+ port_index = s->tail->port_index + 1;
+ }
+ grpc_unlink_if_unix_domain_socket(addr);
+
+ /* Check if this is a wildcard port, and if so, try to keep the port the same
+ as some previously created listener. */
+ if (requested_port == 0) {
+ for (sp = s->head; sp; sp = sp->next) {
+ sockname_temp.len =
+ static_cast<socklen_t>(sizeof(struct sockaddr_storage));
+ if (0 ==
+ getsockname(sp->fd,
+ reinterpret_cast<grpc_sockaddr*>(&sockname_temp.addr),
+ &sockname_temp.len)) {
+ int used_port = grpc_sockaddr_get_port(&sockname_temp);
+ if (used_port > 0) {
+ memcpy(&sockname_temp, addr, sizeof(grpc_resolved_address));
+ grpc_sockaddr_set_port(&sockname_temp, used_port);
+ requested_port = used_port;
+ addr = &sockname_temp;
+ break;
+ }
+ }
+ }
+ }
+ if (grpc_sockaddr_is_wildcard(addr, &requested_port)) {
+ return add_wildcard_addrs_to_server(s, port_index, requested_port,
+ out_port);
+ }
+ if (grpc_sockaddr_to_v4mapped(addr, &addr6_v4mapped)) {
+ addr = &addr6_v4mapped;
+ }
+ if ((err = grpc_tcp_server_add_addr(s, addr, port_index, 0, &dsmode, &sp)) ==
+ GRPC_ERROR_NONE) {
+ *out_port = sp->port;
+ }
+ return err;
+}
+
+/* Return listener at port_index or NULL. Should only be called with s->mu
+ locked. */
+static grpc_tcp_listener* get_port_index(grpc_tcp_server* s,
+ unsigned port_index) {
+ unsigned num_ports = 0;
+ grpc_tcp_listener* sp;
+ for (sp = s->head; sp; sp = sp->next) {
+ if (!sp->is_sibling) {
+ if (++num_ports > port_index) {
+ return sp;
+ }
+ }
+ }
+ return nullptr;
+}
+
+unsigned tcp_server_port_fd_count(grpc_tcp_server* s, unsigned port_index) {
+ unsigned num_fds = 0;
+ gpr_mu_lock(&s->mu);
+ grpc_tcp_listener* sp = get_port_index(s, port_index);
+ for (; sp; sp = sp->sibling) {
+ ++num_fds;
+ }
+ gpr_mu_unlock(&s->mu);
+ return num_fds;
+}
+
+static int tcp_server_port_fd(grpc_tcp_server* s, unsigned port_index,
+ unsigned fd_index) {
+ gpr_mu_lock(&s->mu);
+ grpc_tcp_listener* sp = get_port_index(s, port_index);
+ for (; sp; sp = sp->sibling, --fd_index) {
+ if (fd_index == 0) {
+ gpr_mu_unlock(&s->mu);
+ return sp->fd;
+ }
+ }
+ gpr_mu_unlock(&s->mu);
+ return -1;
+}
+
+static void tcp_server_start(grpc_tcp_server* s, grpc_pollset** pollsets,
+ size_t pollset_count,
+ grpc_tcp_server_cb on_accept_cb,
+ void* on_accept_cb_arg) {
+ size_t i;
+ grpc_tcp_listener* sp;
+ GPR_ASSERT(on_accept_cb);
+ gpr_mu_lock(&s->mu);
+ GPR_ASSERT(!s->on_accept_cb);
+ GPR_ASSERT(s->active_ports == 0);
+ s->on_accept_cb = on_accept_cb;
+ s->on_accept_cb_arg = on_accept_cb_arg;
+ s->pollsets = pollsets;
+ s->pollset_count = pollset_count;
+ sp = s->head;
+ while (sp != nullptr) {
+ if (s->so_reuseport && !grpc_is_unix_socket(&sp->addr) &&
+ pollset_count > 1) {
+ GPR_ASSERT(GRPC_LOG_IF_ERROR(
+ "clone_port", clone_port(sp, (unsigned)(pollset_count - 1))));
+ for (i = 0; i < pollset_count; i++) {
+ grpc_pollset_add_fd(pollsets[i], sp->emfd);
+ GRPC_CLOSURE_INIT(&sp->read_closure, on_read, sp,
+ grpc_schedule_on_exec_ctx);
+ grpc_fd_notify_on_read(sp->emfd, &sp->read_closure);
+ s->active_ports++;
+ sp = sp->next;
+ }
+ } else {
+ for (i = 0; i < pollset_count; i++) {
+ grpc_pollset_add_fd(pollsets[i], sp->emfd);
+ }
+ GRPC_CLOSURE_INIT(&sp->read_closure, on_read, sp,
+ grpc_schedule_on_exec_ctx);
+ grpc_fd_notify_on_read(sp->emfd, &sp->read_closure);
+ s->active_ports++;
+ sp = sp->next;
+ }
+ }
+ gpr_mu_unlock(&s->mu);
+}
+
+grpc_tcp_server* tcp_server_ref(grpc_tcp_server* s) {
+ gpr_ref_non_zero(&s->refs);
+ return s;
+}
+
+static void tcp_server_shutdown_starting_add(grpc_tcp_server* s,
+ grpc_closure* shutdown_starting) {
+ gpr_mu_lock(&s->mu);
+ grpc_closure_list_append(&s->shutdown_starting, shutdown_starting,
+ GRPC_ERROR_NONE);
+ gpr_mu_unlock(&s->mu);
+}
+
+static void tcp_server_unref(grpc_tcp_server* s) {
+ if (gpr_unref(&s->refs)) {
+ grpc_tcp_server_shutdown_listeners(s);
+ gpr_mu_lock(&s->mu);
+ GRPC_CLOSURE_LIST_SCHED(&s->shutdown_starting);
+ gpr_mu_unlock(&s->mu);
+ tcp_server_destroy(s);
+ }
+}
+
+static void tcp_server_shutdown_listeners(grpc_tcp_server* s) {
+ gpr_mu_lock(&s->mu);
+ s->shutdown_listeners = true;
+ /* shutdown all fd's */
+ if (s->active_ports) {
+ grpc_tcp_listener* sp;
+ for (sp = s->head; sp; sp = sp->next) {
+ grpc_fd_shutdown(sp->emfd,
+ GRPC_ERROR_CREATE_FROM_STATIC_STRING("Server shutdown"));
+ }
+ }
+ gpr_mu_unlock(&s->mu);
+}
+
+namespace {
+class ExternalConnectionHandler : public grpc_core::TcpServerFdHandler {
+ public:
+ explicit ExternalConnectionHandler(grpc_tcp_server* s) : s_(s) {}
+
+ // TODO(yangg) resolve duplicate code with on_read
+ void Handle(int listener_fd, int fd, grpc_byte_buffer* buf) override {
+ grpc_pollset* read_notifier_pollset;
+ grpc_resolved_address addr;
+ char* addr_str;
+ char* name;
+ memset(&addr, 0, sizeof(addr));
+ addr.len = static_cast<socklen_t>(sizeof(struct sockaddr_storage));
+ grpc_core::ExecCtx exec_ctx;
+
+ if (getpeername(fd, reinterpret_cast<struct sockaddr*>(addr.addr),
+ &(addr.len)) < 0) {
+ gpr_log(GPR_ERROR, "Failed getpeername: %s", strerror(errno));
+ close(fd);
+ return;
+ }
+ grpc_set_socket_no_sigpipe_if_possible(fd);
+ addr_str = grpc_sockaddr_to_uri(&addr);
+ gpr_asprintf(&name, "tcp-server-connection:%s", addr_str);
+ if (grpc_tcp_trace.enabled()) {
+ gpr_log(GPR_INFO, "SERVER_CONNECT: incoming external connection: %s",
+ addr_str);
+ }
+ grpc_fd* fdobj = grpc_fd_create(fd, name, true);
+ read_notifier_pollset =
+ s_->pollsets[static_cast<size_t>(gpr_atm_no_barrier_fetch_add(
+ &s_->next_pollset_to_assign, 1)) %
+ s_->pollset_count];
+ grpc_pollset_add_fd(read_notifier_pollset, fdobj);
+ grpc_tcp_server_acceptor* acceptor =
+ static_cast<grpc_tcp_server_acceptor*>(gpr_malloc(sizeof(*acceptor)));
+ acceptor->from_server = s_;
+ acceptor->port_index = -1;
+ acceptor->fd_index = -1;
+ acceptor->external_connection = true;
+ acceptor->listener_fd = listener_fd;
+ acceptor->pending_data = buf;
+ s_->on_accept_cb(s_->on_accept_cb_arg,
+ grpc_tcp_create(fdobj, s_->channel_args, addr_str),
+ read_notifier_pollset, acceptor);
+ gpr_free(name);
+ gpr_free(addr_str);
+ }
+
+ private:
+ grpc_tcp_server* s_;
+};
+} // namespace
+
+static grpc_core::TcpServerFdHandler* tcp_server_create_fd_handler(
+ grpc_tcp_server* s) {
+ s->fd_handler = grpc_core::New<ExternalConnectionHandler>(s);
+ return s->fd_handler;
+}
+
+grpc_tcp_server_vtable grpc_posix_tcp_server_vtable = {
+ tcp_server_create, tcp_server_start,
+ tcp_server_add_port, tcp_server_create_fd_handler,
+ tcp_server_port_fd_count, tcp_server_port_fd,
+ tcp_server_ref, tcp_server_shutdown_starting_add,
+ tcp_server_unref, tcp_server_shutdown_listeners};
+
+#endif /* GRPC_POSIX_SOCKET_TCP_SERVER */
git://repos.xcallymotion.com / motion2.git / blobdiff