Fix two typos in stdin.c.

[paraslash.git] / send.h

diff --git a/send.h b/send.h
index 3436bcea65371979152cb718bb8beb5d4cb9fda5..6550c70185f889d97aac6f093e23c21ce55b7267 100644 (file)
--- a/send.h
+++ b/send.h
@@ -10,79 +10,132 @@
 enum {SENDER_ADD, SENDER_DELETE, SENDER_ALLOW, SENDER_DENY, SENDER_ON, SENDER_OFF, NUM_SENDER_CMDS};
 
 /**
 enum {SENDER_ADD, SENDER_DELETE, SENDER_ALLOW, SENDER_DENY, SENDER_ON, SENDER_OFF, NUM_SENDER_CMDS};
 
 /**

- * describes one supported sender of para_server
+ * Describes one supported sender of para_server.

  *
  *

- * \sa http_send.c ortp_send.c
+ * \sa http_send.c ortp_send.c, dccp_send.c.

  */
 struct sender {
  */
 struct sender {

-/** the name of the sender */
+       /** The name of the sender. */

        const char *name;
        const char *name;

-/**
- * the init function of this sender
- *
- * It must fill in all function pointers of \a s as well as the \a client_cmds
- * array, see below. It should also do all necessary preparations to init
- * this sending facility, for example it could open a tcp port.
- */
+       /**
+        * The init function of this sender.
+        *
+        * It must fill in all function pointers of \a s as well as the \a
+        * client_cmds array, see below. It should also do all necessary
+        * preparations to init this sending facility, for example it could
+        * open a tcp port.
+        */

        void (*init)(struct sender *s);
        void (*init)(struct sender *s);

-/**
- * return the help text of this sender
- *
- * The result must be dynamically allocated and is freed by the caller.
- */
+       /**
+        * Return the help text of this sender.
+        *
+        * The result must be dynamically allocated and is freed by the caller.
+        */

        char* (*help)(void);
        char* (*help)(void);

-/**
- * return current status info about this sender
- *
- * The result must be dynamically allocated and is freed by the caller.
- */
+       /**
+        * Return current status info about this sender.
+        *
+        * The result must be dynamically allocated and is freed by the caller.
+        */

        char* (*info)(void);
        char* (*info)(void);

-/**
- * the send-hook
- *
- * It gets called whenever para_server is playing and the current
- * audio format handler indicates that another chunk of data should
- * be sent now. The two parameters \a current_chunk and \a chunks_sent
- * only differ if the stream was repositioned by the \a ff or \a jmp
- * command. Of course, \a buf is a pointer to the chunk of data which
- * should be sent, and \a len is the length of this buffer.
-*/
+       /**
+        * The send-hook.
+        *
+        * It gets called whenever para_server is playing and the current
+        * audio format handler indicates that another chunk of data should
+        * be sent now. The two parameters \a current_chunk and \a chunks_sent
+        * only differ if the stream was repositioned by the \a ff or \a jmp
+        * command. Of course, \a buf is a pointer to the chunk of data which
+        * should be sent, and \a len is the length of this buffer.
+       */

        void (*send)(long unsigned current_chunk, long unsigned chunks_sent,
                const char *buf, size_t len);
        void (*send)(long unsigned current_chunk, long unsigned chunks_sent,
                const char *buf, size_t len);

-/** add file descriptors to fd_sets
- *
- * The pre_select function of each supported sender is called just before
- * para_server enters its main select loop. Each sender may add its own
- * file descriptors to the \a rfds or the \a wfds set.
- *
- * If a file descriptor was added, \a max_fileno must be increased by
- * this function, if necessary.
- *
- * \sa select(2)
-*/
+       /**
+        * Add file descriptors to fd_sets.
+        *
+        * The pre_select function of each supported sender is called just before
+        * para_server enters its main select loop. Each sender may add its own
+        * file descriptors to the \a rfds or the \a wfds set.
+        *
+        * If a file descriptor was added, \a max_fileno must be increased by
+        * this function, if necessary.
+        *
+        * \sa select(2).
+        */

        void (*pre_select)(int *max_fileno, fd_set *rfds, fd_set *wfds);
        void (*pre_select)(int *max_fileno, fd_set *rfds, fd_set *wfds);

-/**
- * handle the file descriptors which are ready for I/O
- *
- * If the pre_select hook added one ore more file descriptors to the read or write
- * set, this is the hook to check the result and do any I/O on those descriptors
- * which are ready for reading/writing.
- */
+       /**
+        * Handle the file descriptors which are ready for I/O.
+        *
+        * If the pre_select hook added one ore more file descriptors to the
+        * read or write set, this is the hook to check the result and do any
+        * I/O on those descriptors which are ready for reading/writing.
+        */

        void (*post_select)(fd_set *rfds, fd_set *wfds);
        void (*post_select)(fd_set *rfds, fd_set *wfds);

-/**
- * terminate all connected clients
- *
- * This is called e.g. if the stop command was executed. It should make the clients
- * aware of the end-of-file condition.
- */
+       /**
+        * Terminate all connected clients.
+        *
+        * This is called e.g. if the stop command was executed. It should make
+        * the clients aware of the end-of-file condition.
+        */

        void (*shutdown_clients)(void);
        void (*shutdown_clients)(void);

-/**
- * array of function pointers for the sender subcommands
- *
- * Each sender may implement any subset of the sender commands by filling in
- * the appropriate function pointer in the array. A \p NULL pointer means this
- * command is not implemented by this sender.
- */
+       /**
+        * Array of function pointers for the sender subcommands.
+        *
+        * Each sender may implement any subset of the sender commands by
+        * filling in the appropriate function pointer in the array. A \p NULL
+        * pointer means this command is not implemented by this sender.
+        */

        int (*client_cmds[NUM_SENDER_CMDS])(struct sender_command_data*);
 };
 
        int (*client_cmds[NUM_SENDER_CMDS])(struct sender_command_data*);
 };
 

+/** Describes one client, connected to a paraslash sender. */
+struct sender_client {
+       /** The file descriptor of the client. */
+       int fd;
+       /** The socket "name" of the client. */
+       char *name;
+       /** The position of this client in the client list. */
+       struct list_head node;
+       /** Non-zero if audio file header has been sent. */
+       int header_sent;
+       /** The list of pending chunks for this client. */
+       struct chunk_queue *cq;
+       /** Data specific to the particular sender. */
+       void *private_data;
+};
+
+/** 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;
+       /** The current number of simultaneous connections. */
+       int num_clients;
+       /** The maximal number of simultaneous connections. */
+       int max_clients;
+       /** Whether the access control list is a whitelist. */
+       int default_deny;
+       /** The whitelist/blacklist. */
+       struct list_head acl;
+       /** The list of connected clients. */
+       struct list_head client_list;
+};
+
+void shutdown_client(struct sender_client *sc, struct sender_status *ss);
+void shutdown_clients(struct sender_status *ss);
+void send_chunk(struct sender_client *sc, struct sender_status *ss,
+               size_t max_bytes_per_write, long unsigned current_chunk,
+               const char *buf, size_t len);
+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, 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_off(struct sender_status *ss);
+char *generic_sender_help(void);
+struct sender_client *accept_sender_client(struct sender_status *ss);