diff --git a/src/core/iomgr/tcp_server_windows.c b/src/core/iomgr/tcp_server_windows.c index 8f634fcd7a3..a175398825d 100644 --- a/src/core/iomgr/tcp_server_windows.c +++ b/src/core/iomgr/tcp_server_windows.c @@ -250,6 +250,7 @@ static void on_accept(void *arg, int from_iocp) { DWORD transfered_bytes; DWORD flags; BOOL wsa_success; + int err; /* The general mechanism for shutting down is to queue abortion calls. While this is necessary in the read/write case, it's useless for the accept @@ -281,8 +282,21 @@ static void on_accept(void *arg, int from_iocp) { } } else { if (!sp->shutting_down) { - getpeername(sock, (struct sockaddr*)&peer_name, &peer_name_len); - peer_name_string = grpc_sockaddr_to_uri((struct sockaddr*)&peer_name); + peer_name_string = NULL; + err = setsockopt(sock, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT, (char *)&sp->socket->socket, sizeof(sp->socket->socket)); + if (err) { + char *utf8_message = gpr_format_message(WSAGetLastError()); + gpr_log(GPR_ERROR, "setsockopt error: %s", utf8_message); + gpr_free(utf8_message); + } + err = getpeername(sock, (struct sockaddr*)&peer_name, &peer_name_len); + if (!err) { + peer_name_string = grpc_sockaddr_to_uri((struct sockaddr*)&peer_name); + } else { + char *utf8_message = gpr_format_message(WSAGetLastError()); + gpr_log(GPR_ERROR, "getpeername error: %s", utf8_message); + gpr_free(utf8_message); + } gpr_asprintf(&fd_name, "tcp_server:%s", peer_name_string); ep = grpc_tcp_create(grpc_winsocket_create(sock, fd_name), peer_name_string); gpr_free(fd_name);