X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=send_common.c;h=4bb50ce58d7198c4aaf6bdf456b2c5c04aaed442;hp=988e8d48daf502bc70f0ba6cb7377dd1dc90429c;hb=ac9f8fc0b4a20b3ec1d205029ef61321174d15b6;hpb=bd28ec9a64884d70917c4fdea1a3a70c91758f83 diff --git a/send_common.c b/send_common.c index 988e8d48..4bb50ce5 100644 --- a/send_common.c +++ b/send_common.c @@ -1,8 +1,4 @@ -/* - * Copyright (C) 2005 Andre Noll - * - * Licensed under the GPL v2. For licencing details see COPYING. - */ +/* Copyright (C) 2005 Andre Noll , see file COPYING. */ /** \file send_common.c Functions used by more than one paraslash sender. */ @@ -34,34 +30,6 @@ /** Clients will be kicked if there are more than that many bytes pending. */ #define MAX_CQ_BYTES 40000 -/** - * Open a passive socket of given layer4 type. - * - * Set the resulting file descriptor to nonblocking mode and add it to the list - * of fds that are being closed in the child process when the server calls - * fork(). - * - * \param l4type The transport-layer protocol. - * \param port The port number. - * - * \return The listening fd on success, negative on errors. - */ -static int open_sender(unsigned l4type, int port) -{ - int fd, ret = para_listen_simple(l4type, port); - - if (ret < 0) - return ret; - fd = ret; - ret = mark_fd_nonblocking(fd); - if (ret < 0) { - close(fd); - return ret; - } - add_close_on_fork_list(fd); - return fd; -} - /** * Shut down a client connected to a paraslash sender. * @@ -72,7 +40,7 @@ static int open_sender(unsigned l4type, int port) * list, destroy the chunk queue of this client, delete the client from the * list of connected clients and free the sender_client struct. * - * \sa shutdown_clients(). + * \sa \ref shutdown_clients(). */ void shutdown_client(struct sender_client *sc, struct sender_status *ss) { @@ -212,7 +180,7 @@ char *generic_sender_status(struct sender_status *ss, const char *name) * \param scd Contains the IP and the netmask. * \param ss The sender. * - * \sa generic_com_deny(). + * \sa \ref generic_com_deny(). */ void generic_com_allow(struct sender_command_data *scd, struct sender_status *ss) @@ -226,7 +194,7 @@ void generic_com_allow(struct sender_command_data *scd, * \param scd see \ref generic_com_allow(). * \param ss see \ref generic_com_allow(). * - * \sa generic_com_allow(). + * \sa \ref generic_com_allow(). */ void generic_com_deny(struct sender_command_data *scd, struct sender_status *ss) @@ -244,13 +212,20 @@ void generic_com_deny(struct sender_command_data *scd, */ int generic_com_on(struct sender_status *ss, unsigned protocol) { - int ret; + int fd, ret; if (ss->listen_fd >= 0) return 1; - ret = open_sender(protocol, ss->port); + ret = para_listen_simple(protocol, ss->port); if (ret < 0) return ret; + fd = ret; + ret = mark_fd_nonblocking(fd); + if (ret < 0) { + close(fd); + return ret; + } + add_close_on_fork_list(fd); ss->listen_fd = ret; return 1; } @@ -262,7 +237,7 @@ int generic_com_on(struct sender_status *ss, unsigned protocol) * * \param ss The sender to deactivate. * - * \sa \ref del_close_on_fork_list(), shutdown_clients(). + * \sa \ref del_close_on_fork_list(), \ref shutdown_clients(). */ void generic_com_off(struct sender_status *ss) { @@ -281,9 +256,8 @@ void generic_com_off(struct sender_status *ss) * \param ss The sender whose listening fd is ready for reading. * \param rfds Passed to para_accept(), * - * This must be called only if the socket fd of \a ss is ready for reading. It - * calls para_accept() to accept the connection and performs the following - * actions on the resulting file descriptor \a fd: + * This calls para_accept() and performs the following actions on the resulting + * file descriptor fd: * * - Checks whether the maximal number of connections are exceeded. * - Sets \a fd to nonblocking mode.