X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=send.h;h=cff1abd52c23a40f3eebfbbb173a99522ad2a6a4;hp=df0cd1cb0612c1f3e52078e1d3478423566c8152;hb=4fbe16430b47;hpb=fd652c08d4b5b26032646c449e1979c48018b70a

diff --git a/send.h b/send.h
index df0cd1cb..cff1abd5 100644
--- a/send.h
+++ b/send.h
@@ -1,18 +1,27 @@
-/*
- * Copyright (C) 2005-2010 Andre Noll <maan@systemlinux.org>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 2005 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
 
 /** \file send.h Sender-related defines and structures. */
 
-/** The sender subcommands. */
-enum {SENDER_ADD, SENDER_DELETE, SENDER_ALLOW, SENDER_DENY, SENDER_ON, SENDER_OFF, NUM_SENDER_CMDS};
+#define SENDER_SUBCOMMANDS \
+	SENDER_SUBCOMMAND(add) /**< Add a target (udp only). */ \
+	SENDER_SUBCOMMAND(delete) /**< Delete a target (udp only). */ \
+	SENDER_SUBCOMMAND(allow) /**< Allow connections from given IP address(es). */ \
+	SENDER_SUBCOMMAND(deny) /**< Deny connections from given IP address(es). */ \
+	SENDER_SUBCOMMAND(on) /**< Activate the sender. */ \
+	SENDER_SUBCOMMAND(off) /**< Deactivate the sender. */ \
+
+#define SENDER_SUBCOMMAND(_name) SENDER_ ## _name,
+enum sender_subcommand {
+	SENDER_SUBCOMMANDS
+	NUM_SENDER_CMDS /**< Used as array size in struct \ref sender. */
+};
+#undef SENDER_SUBCOMMAND
+#define SENDER_SUBCOMMAND(_name) #_name,
 
 /**
  * Describes one supported sender of para_server.
  *
- * \sa http_send.c udp_send.c, dccp_send.c.
+ * \sa \ref http_send.c \ref udp_send.c, \ref dccp_send.c.
  */
 struct sender {
 	/** The name of the sender. */
@@ -37,7 +46,7 @@ struct sender {
 	 *
 	 * The result must be dynamically allocated and is freed by the caller.
 	 */
-	char* (*info)(void);
+	char* (*status)(void);
 	/**
 	 * The send-hook.
 	 *
@@ -87,6 +96,15 @@ struct sender {
 	 * pointer means this command is not implemented by this sender.
 	 */
 	int (*client_cmds[NUM_SENDER_CMDS])(struct sender_command_data*);
+	/**
+	 * Resolve target-specific URL string
+	 *
+	 * This method must be defined if the sender supports the add/delete
+	 * subcommands. It interprets a string specifying a target URL in a
+	 * sender-specific fashion (e.g. embedded FEC string). It can also
+	 * fill in sender-specific defaults if necessary.
+	 */
+	int (*resolve_target)(const char *, struct sender_command_data *);
 };
 
 /** Describes one client, connected to a paraslash sender. */
@@ -122,8 +140,8 @@ struct fec_client_parms {
 	uint8_t slices_per_group;
 	/** Number of slices minus number of redundant slices. */
 	uint8_t data_slices_per_group;
-	/** Maximal number of bytes per slice, initially zero. */
-	uint16_t max_slice_bytes;
+	/** Whether the header must be sent periodically. */
+	bool need_periodic_header;
 	/**
 	 * Transport-layer initialisation for FEC support.
 	 *
@@ -137,15 +155,19 @@ struct fec_client_parms {
 	 */
 	int (*init_fec)(struct sender_client *sc);
 	/** Push out FEC-encoded packets */
-	int (*send_fec)(struct sender_client *sc, char *buf, size_t len);
+	void (*send_fec)(struct sender_client *sc, char *buf, size_t len);
 };
 
 /** Describes the current status of one paraslash sender. */
 struct sender_status {
-	/** The file descriptor of the socket this sender is listening on. */
-	int listen_fd;
-	/** The TCP/DCCP port used by this sender. */
-	int port;
+	/** Number of sockets to listen on, size of the two arrays below. */
+	unsigned num_listen_fds;
+	/** Derived from --http-listen-address and --dccp-listen-address. */
+	char **listen_addresses;
+	/** Default TCP/DCCP port number for addresses w/o port. */
+	int default_port;
+	/** The socket fd(s) this sender is listening on. */
+	int *listen_fds;
 	/** The current number of simultaneous connections. */
 	int num_clients;
 	/** The maximal number of simultaneous connections. */
@@ -158,17 +180,21 @@ struct sender_status {
 	struct list_head client_list;
 };
 
+/** Iterate over all listening addresses of the http/dccp sender. */
+#define FOR_EACH_LISTEN_FD(_n, _ss) for (_n = 0; _n < (_ss)->num_listen_fds; _n++)
+
 void shutdown_client(struct sender_client *sc, struct sender_status *ss);
 void shutdown_clients(struct sender_status *ss);
-void init_sender_status(struct sender_status *ss, char **access_arg, int num_access_args,
-	int port, int max_clients, int default_deny);
-char *get_sender_info(struct sender_status *ss, const char *name);
-
+void init_sender_status(struct sender_status *ss,
+		const struct lls_opt_result *acl_opt_result,
+		const struct lls_opt_result *listen_address_opt_result,
+		int default_port, int max_clients, int default_deny);
+char *generic_sender_status(struct sender_status *ss, const char *name);
 void generic_com_allow(struct sender_command_data *scd,
 		struct sender_status *ss);
 void generic_com_deny(struct sender_command_data *scd,
 		struct sender_status *ss);
-int generic_com_on(struct sender_status *ss, unsigned protocol);
+void generic_com_on(struct sender_status *ss, unsigned protocol);
 void generic_com_off(struct sender_status *ss);
 char *generic_sender_help(void);
 struct sender_client *accept_sender_client(struct sender_status *ss, fd_set *rfds);