client.h 2.91 KB
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/* Icecast
 *
 * This program is distributed under the GNU General Public License, version 2.
 * A copy of this license is included with this source.
 *
 * Copyright 2000-2004, Jack Moffitt <jack@xiph.org, 
 *                      Michael Smith <msmith@xiph.org>,
 *                      oddsock <oddsock@xiph.org>,
 *                      Karl Heyes <karl@xiph.org>
 *                      and others (see AUTHORS for details).
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 * Copyright 2011-2014, Philipp "ph3-der-loewe" Schafft <lion@lion.leolix.org>,
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 */

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/* client.h
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 **
 ** client data structions and function definitions
 **
 */
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#ifndef __CLIENT_H__
#define __CLIENT_H__

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#include "connection.h"
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#include "refbuf.h"
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#include "acl.h"
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#include "cfgfile.h"
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#include "common/httpp/httpp.h"
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typedef enum _protocol_tag {
    ICECAST_PROTOCOL_HTTP = 0,
    ICECAST_PROTOCOL_SHOUTCAST
} protocol_t;

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typedef enum _reuse_tag {
    /* do not reuse */
    ICECAST_REUSE_CLOSE = 0,
    /* reuse */
    ICECAST_REUSE_KEEPALIVE
} reuse_t;

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typedef struct _client_tag
{
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    /* mode of operation for this client */
    operation_mode mode;

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    /* the client's connection */
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    connection_t *con;
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    /* Reuse this connection ... */
    reuse_t reuse;

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    /* the client's http headers */
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    http_parser_t *parser;
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    /* protocol client uses */
    protocol_t protocol;

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    /* http response code for this client */
    int respcode;
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    /* admin command if any. ADMIN_COMMAND_ERROR if not an admin command. */
    int admin_command;

    /* authentication instances we still need to go thru */
    struct auth_stack_tag *authstack;

    /* Client username */
    char *username;

    /* Client password */
    char *password;

    /* Client role */
    char *role;

    /* active ACL, set as soon as the client is authenticated */
    acl_t *acl;
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    /* is client getting intro data */
    long intro_offset;
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    /* where in the queue the client is */
    refbuf_t *refbuf;

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    /* position in first buffer */
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    unsigned int pos;
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    /* auth used for this client */
    struct auth_tag *auth;

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    /* Format-handler-specific data for this client */
    void *format_data;
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    /* function to call to release format specific resources */
    void (*free_client_data)(struct _client_tag *client);
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    /* write out data associated with client */
    int (*write_to_client)(struct _client_tag *client);

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    /* function to check if refbuf needs updating */
    int (*check_buffer)(struct source_tag *source, struct _client_tag *client);

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} client_t;

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int client_create (client_t **c_ptr, connection_t *con, http_parser_t *parser);
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void client_destroy(client_t *client);
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void client_send_error(client_t *client, int status, int plain, const char *message);
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void client_send_100(client_t *client);
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int client_send_bytes (client_t *client, const void *buf, unsigned len);
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int client_read_bytes (client_t *client, void *buf, unsigned len);
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void client_set_queue (client_t *client, refbuf_t *refbuf);
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#endif  /* __CLIENT_H__ */