+/* $Id$ */
typedef pthread_t THREAD;
+/* Uncomment this if you want to track memory leaks.
+ * This incurs some overhead, so don't use it unless you're debugging the code!
+ */
+#define DEBUG_MEMORY_LEAKS
+
+
+/*
+ * Generic per-session variable or data structure storage
+ */
+struct CtdlSessData {
+ struct CtdlSessData *next;
+ unsigned long sym_id;
+ void *sym_data;
+};
+
+/*
+ * Static user data symbol types
+ */
+enum {
+ SYM_DESIRED_SECTION, /* Used by the MIME parser */
+ SYM_MAX
+};
-struct ExpressMessage {
- struct ExpressMessage *next;
- char em_text[300];
- };
/*
* Here's the big one... the Citadel context structure.
struct CitContext {
struct CitContext *next; /* Link to next session in the list */
- struct usersupp usersupp; /* Database record buffers */
- struct quickroom quickroom;
-
+ struct usersupp usersupp; /* Database record buffers */
+ struct quickroom quickroom;
+
long *msglist;
int num_msgs;
- char curr_user[32]; /* name of current user */
- int logged_in; /* logged in */
- int internal_pgm; /* authenticated as internal program */
- char temp[32]; /* temp file name */
- int nologin; /* not allowed to log in */
+ char curr_user[32]; /* name of current user */
+ int logged_in; /* logged in */
+ int internal_pgm; /* authenticated as internal program */
+ char temp[32]; /* temp file name */
+ int nologin; /* not allowed to log in */
- char net_node[32];
+ char net_node[32];
THREAD mythread;
+ int n_crit; /* number of critical sections open */
int client_socket;
- struct ExpressMessage *FirstExpressMessage;
- int cs_pid; /* session ID */
- char cs_room[20]; /* current room */
- time_t cs_lastupdt; /* time of last update */
- time_t lastcmd; /* time of last command executed */
- time_t lastidle; /* For computing idle time */
- char lastcmdname[5]; /* name of last command executed */
- unsigned cs_flags; /* miscellaneous flags */
-
- /* feeping creaturisms... */
- int cs_clientdev; /* client developer ID */
- int cs_clienttyp; /* client type code */
- int cs_clientver; /* client version number */
- char cs_clientname[32]; /* name of client software */
- char cs_host[25]; /* host logged in from */
-
- FILE *download_fp; /* Fields relating to file transfer */
- FILE *upload_fp;
+ int cs_pid; /* session ID */
+ char cs_room[ROOMNAMELEN]; /* current room */
+ time_t cs_lastupdt; /* time of last update */
+ time_t lastcmd; /* time of last command executed */
+ time_t lastidle; /* For computing idle time */
+ char lastcmdname[5]; /* name of last command executed */
+ unsigned cs_flags; /* miscellaneous flags */
+
+ /* feeping creaturisms... */
+ int cs_clientdev; /* client developer ID */
+ int cs_clienttyp; /* client type code */
+ int cs_clientver; /* client version number */
+ char cs_clientname[32]; /* name of client software */
+ char cs_host[25]; /* host logged in from */
+
+ FILE *download_fp; /* Fields relating to file transfer */
+ FILE *upload_fp;
char upl_file[256];
char upl_path[256];
char upl_comment[256];
char upl_filedir[256];
- char chat_room[20]; /* The chat room */
+ char chat_room[20]; /* The chat room */
char dl_is_net;
char upload_type;
- char ucache_name[32]; /* For a performance boost, we cache */
- long ucache_pos; /* the position of the last user rec */
- char fake_username[32]; /* Fake username <bc> */
- char fake_postname[32]; /* Fake postname <bc> */
- char fake_hostname[25]; /* Name of the fake hostname <bc> */
- char fake_roomname[20]; /* Name of the fake room <bc> */
- char last_pager[32]; /* The username of the last pager */
+ struct ExpressMessage *FirstExpressMessage;
- int FloorBeingSearched; /* This is used by cmd_lrms() etc. */
+ char fake_username[32]; /* Fake username <bc> */
+ char fake_postname[32]; /* Fake postname <bc> */
+ char fake_hostname[25]; /* Name of the fake hostname <bc> */
+ char fake_roomname[ROOMNAMELEN]; /* Name of the fake room <bc> */
- int CtdlErrno; /* Error return for CitadelAPI calls */
- };
+ int FloorBeingSearched; /* This is used by cmd_lrms() etc. */
+ struct CtdlSessData *FirstSessData;
+};
typedef struct CitContext t_context;
-#define CS_STEALTH 1 /* stealth mode */
-#define CS_CHAT 2 /* chat mode */
-#define CS_POSTING 4 /* Posting */
+#define CS_STEALTH 1 /* stealth mode */
+#define CS_CHAT 2 /* chat mode */
+#define CS_POSTING 4 /* Posting */
struct CitContext *MyContext(void);
#define CC ((struct CitContext *)MyContext())
extern int ScheduledShutdown;
extern struct CitControl CitControl;
+
+struct ExpressMessage {
+ struct ExpressMessage *next;
+ time_t timestamp; /* When this message was sent */
+ unsigned flags; /* Special instructions */
+ char sender[64]; /* Name of sending user */
+ char *text; /* Message text (if applicable) */
+};
+
+#define EM_BROADCAST 1 /* Broadcast message */
+#define EM_GO_AWAY 2 /* Server requests client log off */
+#define EM_CHAT 4 /* Server requests client enter chat */
+
struct ChatLine {
struct ChatLine *next;
int chat_seq;
char chat_text[256];
char chat_room[20];
char chat_username[32];
- };
+};
/*
* Various things we need to lock and unlock
*/
-#define S_USERSUPP 0
-#define S_USER_TRANS 1
-#define S_QUICKROOM 2
-#define S_MSGMAIN 3
-#define S_CALLLOG 4
-#define S_SESSION_TABLE 5
-#define S_FLOORTAB 6
-#define S_CHATQUEUE 7
-#define S_CONTROL 8
-#define S_HOUSEKEEPING 9
-#define MAX_SEMAPHORES 10
+enum {
+ S_USERSUPP,
+ S_USER_TRANS,
+ S_QUICKROOM,
+ S_MSGMAIN,
+ S_CALLLOG,
+ S_SESSION_TABLE,
+ S_FLOORTAB,
+ S_CHATQUEUE,
+ S_CONTROL,
+ S_HOUSEKEEPING,
+ S_DATABASE,
+ S_NETDB,
+ S_SUPPMSGMAIN,
+ MAX_SEMAPHORES
+};
/*
#define UPL_IMAGE 2
+/*
+ * message transfer formats
+ */
+enum {
+ MT_CITADEL, /* Citadel proprietary */
+ MT_DATE, /* We're only looking for the date */
+ MT_RFC822, /* RFC822 */
+ MT_RAW, /* IGnet raw format */
+ MT_MIME, /* MIME-formatted message */
+ MT_DOWNLOAD /* Download a component */
+};
+
/*
* Citadel DataBases (define one for each cdb we need to open)
*/
-#define CDB_MSGMAIN 0 /* message base */
-#define CDB_USERSUPP 1 /* user file */
-#define CDB_QUICKROOM 2 /* room index */
-#define CDB_FLOORTAB 3 /* floor index */
-#define CDB_MSGLISTS 4 /* room message lists */
-#define CDB_VISIT 5 /* user/room relationships */
-#define MAXCDB 6 /* total number of CDB's defined */
+enum {
+ CDB_MSGMAIN, /* message base */
+ CDB_USERSUPP, /* user file */
+ CDB_QUICKROOM, /* room index */
+ CDB_FLOORTAB, /* floor index */
+ CDB_MSGLISTS, /* room message lists */
+ CDB_VISIT, /* user/room relationships */
+ MAXCDB /* total number of CDB's defined */
+};
struct cdbdata {
size_t len;
char *ptr;
- };
+};
/* Structures and declarations for function hooks of various types */
+struct LogFunctionHook {
+ struct LogFunctionHook *next;
+ int loglevel;
+ void (*h_function_pointer) (char *);
+};
+extern struct LogFunctionHook *LogHookTable;
+
struct CleanupFunctionHook {
struct CleanupFunctionHook *next;
void (*h_function_pointer) (void);
- };
+};
extern struct CleanupFunctionHook *CleanupHookTable;
struct SessionFunctionHook *next;
void (*h_function_pointer) (void);
int eventtype;
- };
+};
extern struct SessionFunctionHook *SessionHookTable;
+/*
+ * Event types can't be enum'ed, because they must remain consistent between
+ * builds (to allow for binary modules built somewhere else)
+ */
#define EVT_STOP 0 /* Session is terminating */
#define EVT_START 1 /* Session is starting */
#define EVT_LOGIN 2 /* A user is logging in */
#define EVT_NEWROOM 3 /* Changing rooms */
#define EVT_LOGOUT 4 /* A user is logging out */
#define EVT_SETPASS 5 /* Setting or changing password */
+#define EVT_CMD 6 /* Called after each server command */
/*
struct UserFunctionHook *next;
void (*h_function_pointer) (char *username, long usernum);
int eventtype;
- };
+};
extern struct UserFunctionHook *UserHookTable;
#define EVT_PURGEUSER 100 /* Deleting a user */
/* Defines the relationship of a user to a particular room */
struct visit {
- char v_roomname[ROOMNAMELEN];
- long v_generation;
+ long v_roomnum;
+ long v_roomgen;
+ long v_usernum;
long v_lastseen;
unsigned int v_flags;
- };
+};
-#define V_FORGET 1 /* User has zapped this room */
-#define V_LOCKOUT 2 /* User is locked out of this room */
-#define V_ACCESS 4 /* Access is granted to this room */
+#define V_FORGET 1 /* User has zapped this room */
+#define V_LOCKOUT 2 /* User is locked out of this room */
+#define V_ACCESS 4 /* Access is granted to this room */
#define UA_KNOWN 2
#define UA_GOTOALLOWED 4
#define UA_HASNEWMSGS 8
#define UA_ZAPPED 16
+
+
+/* Supplementary data for a message on disk
+ * (These are kept separately from the message itself because they are
+ * fields whose values may change at some point after the message is saved.)
+ */
+struct SuppMsgInfo {
+ long smi_msgnum; /* Redundant, but useful for self-check */
+ int smi_refcount; /* Number of rooms which point to this msg */
+ /* more stuff will be added to this record in the future */
+};
+
+
+
+/* Built-in debuggable stuff for checking for memory leaks */
+#ifdef DEBUG_MEMORY_LEAKS
+
+#define mallok(howbig) tracked_malloc(howbig, __FILE__, __LINE__)
+#define phree(whichptr) tracked_free(whichptr)
+#define reallok(whichptr,howbig) tracked_realloc(whichptr,howbig)
+
+void *tracked_malloc(size_t, char *, int);
+void tracked_free(void *);
+void *tracked_realloc(void *, size_t);
+void dump_tracked(void);
+
+struct TheHeap {
+ struct TheHeap *next;
+ char h_file[32];
+ int h_line;
+ void *h_ptr;
+};
+
+extern struct TheHeap *heap;
+
+#else
+
+#define mallok(howbig) malloc(howbig)
+#define phree(whichptr) free(whichptr)
+#define reallok(whichptr,howbig) realloc(whichptr,howbig)
+
+#endif