-/* $Id$ */
#ifndef SYSDEP_DECLS_H
#define SYSDEP_DECLS_H
-/*
- * Uncomment this #define if you are a Citadel developer tracking
- * down memory leaks in the server. Do NOT do this on a production
- * system because it definitely incurs a lot of additional overhead.
-#define DEBUG_MEMORY_LEAKS
- */
-
-
-#include <pthread.h>
#include <stdarg.h>
#include "sysdep.h"
+
+#ifdef HAVE_PTHREAD_H
+#include <pthread.h>
+#endif
+
+#ifdef HAVE_DB_H
+#include <db.h>
+#elif defined(HAVE_DB4_DB_H)
+#include <db4/db.h>
+#else
+#error Neither <db.h> nor <db4/db.h> was found by configure. Install db4-devel.
+#endif
+
+
+#if DB_VERSION_MAJOR < 4 || DB_VERSION_MINOR < 1
+#error Citadel requires Berkeley DB v4.1 or newer. Please upgrade.
+#endif
+
#include "server.h"
+#include "database.h"
#if SIZEOF_SIZE_T == SIZEOF_INT
#define SIZE_T_FMT "%d"
#define SIZE_T_FMT "%ld"
#endif
+#if SIZEOF_LOFF_T == SIZEOF_LONG
+#define LOFF_T_FMT "%ld"
+#else
+#define LOFF_T_FMT "%lld"
+#endif
-/* Logging levels - correspond to syslog(3) */
-enum LogLevel {
- /* When about to exit the server for an unrecoverable error */
- CTDL_EMERG, /* system is unusable */
- /* Manual intervention is required to avoid an abnormal exit */
- CTDL_ALERT, /* action must be taken immediately */
- /* The server can continue to run with degraded functionality */
- CTDL_CRIT, /* critical conditions */
- /* An error occurs but the server continues to run normally */
- CTDL_ERR, /* error conditions */
- /* An abnormal condition was detected; server will continue normally */
- CTDL_WARNING, /* warning conditions */
- /* Normal messages (login/out, activity, etc.) */
- CTDL_NOTICE, /* normal but significant condition */
- /* Unimportant progress messages, etc. */
- CTDL_INFO, /* informational */
- /* Debugging messages */
- CTDL_DEBUG /* debug-level messages */
-};
+void cputbuf(const StrBuf *Buf);
#ifdef __GNUC__
-void lprintf (enum LogLevel loglevel, const char *format, ...) __attribute__((__format__(__printf__,2,3)));
void cprintf (const char *format, ...) __attribute__((__format__(__printf__,1,2)));
#else
-void lprintf (enum LogLevel loglevel, const char *format, ...);
void cprintf (const char *format, ...);
#endif
-void vlprintf (enum LogLevel loglevel, const char *format, va_list arg_ptr);
-
-extern pthread_key_t MyConKey; /* TSD key for MyContext() */
-
-extern int enable_syslog;
-
void init_sysdep (void);
-void begin_critical_section (int which_one);
-void end_critical_section (int which_one);
-int ig_tcp_server (char *ip_addr, int port_number, int queue_len,char **errormessage);
-int ig_uds_server(char *sockpath, int queue_len, char **errormessage);
-struct CitContext *MyContext (void);
-struct CitContext *CreateNewContext (void);
-void InitMyContext (struct CitContext *con);
+int ctdl_tcp_server(char *ip_addr, int port_number, int queue_len, char *errormessage);
+int ctdl_uds_server(char *sockpath, int queue_len, char *errormessage);
void buffer_output(void);
void unbuffer_output(void);
void flush_output(void);
-void client_write (char *buf, int nbytes);
+int client_write (const char *buf, int nbytes);
int client_read_to (char *buf, int bytes, int timeout);
int client_read (char *buf, int bytes);
int client_getln (char *buf, int maxbytes);
+int CtdlClientGetLine(StrBuf *Target);
+int client_read_blob(StrBuf *Target, int bytes, int timeout);
+void client_set_inbound_buf(long N);
+int client_read_random_blob(StrBuf *Target, int timeout);
+void client_close(void);
void sysdep_master_cleanup (void);
void kill_session (int session_to_kill);
-void *sd_context_loop (struct CitContext *con);
void start_daemon (int do_close_stdio);
-void cmd_nset (char *cmdbuf);
+void checkcrash(void);
int convert_login (char *NameToConvert);
-void *worker_thread (void *arg);
-void *context_cleanup_thread (void *arg);
-void become_session(struct CitContext *which_con);
-void InitializeMasterCC(void);
void init_master_fdset(void);
-void create_worker(void);
-void InitialiseSemaphores(void);
+void *worker_thread(void *);
-
-extern int num_sessions;
extern volatile int exit_signal;
extern volatile int shutdown_and_halt;
extern volatile int running_as_daemon;
extern int verbosity;
extern int rescan[];
-extern struct worker_node {
- pthread_t tid;
- struct worker_node *next;
-} *worker_list;
-
-
-
-/*
- * Thread stuff
- */
-#define CTDLTHREAD_BIGSTACK 0x0001
-#define CTDLTHREAD_WORKER 0x0002
-
-enum CtdlThreadState {
- CTDL_THREAD_INVALID,
- CTDL_THREAD_VALID,
- CTDL_THREAD_CREATE,
- CTDL_THREAD_CANCELLED,
- CTDL_THREAD_EXITED,
- CTDL_THREAD_STOPPING,
- CTDL_THREAD_STOP_REQ, /* Do NOT put any running states before this state */
- CTDL_THREAD_SLEEPING,
- CTDL_THREAD_BLOCKED,
- CTDL_THREAD_RUNNING,
- CTDL_THREAD_LAST_STATE
-};
-
-extern struct CtdlThreadNode {
- pthread_t tid; /* id as returned by pthread_create() */
- pid_t pid; /* pid, as best the OS will let us determine */
- struct CitConext *Context; /* The session context that this thread mught be working on or NULL if none */
- long number; /* A unigue number for this thread (not implimented yet) */
- int wakefd_recv; /* An fd that this thread can sleep on (not implimented yet) */
- int wakefd_send; /* An fd that this thread can send out on (Not implimented yet) */
- const char *name; /* A name for this thread */
- void *(*thread_func) (void *arg); /* The actual function that does this threads work */
- void *user_args; /* Arguments passed to this threads work function */
- long flags; /* Flags that describe this thread */
- enum CtdlThreadState state; /* Flag to show state of this thread */
- pthread_mutex_t ThreadMutex; /* A mutex to sync this thread to others if this thread allows (also used for sleeping) */
- pthread_cond_t ThreadCond; /* A condition variable to sync this thread with others */
- pthread_mutex_t SleepMutex; /* A mutex for sleeping */
- pthread_cond_t SleepCond; /* A condition variable for sleeping */
- pthread_attr_t attr; /* Attributes of this thread */
- struct timeval start_time; /* Time this thread was started */
- struct timeval last_state_change; /* Time when this thread last changed state */
- double avg_sleeping; /* Average sleeping time */
- double avg_running; /* Average running time */
- double avg_blocked; /* Average blocked time */
- double load_avg; /* Load average for this thread */
- struct CtdlThreadNode *prev; /* Previous thread in the thread table */
- struct CtdlThreadNode *next; /* Next thread in the thread table */
-} *CtdlThreadList;
-
-
-extern double CtdlThreadLoadAvg;
-extern double CtdlThreadWorkerAvg;
-
-void ctdl_internal_thread_gc (void);
-void ctdl_thread_internal_init(void);
-void ctdl_thread_internal_cleanup(void);
-void ctdl_thread_internal_calc_loadavg(void);
-struct CtdlThreadNode *ctdl_internal_create_thread(char *name, long flags, void *(*thread_func) (void *arg), void *args);
-
-
extern int SyslogFacility(char *name);
-extern int syslog_facility;
-
-#ifdef DEBUG_MEMORY_LEAKS
-#define malloc(x) tracked_malloc(x, __FILE__, __LINE__)
-#define realloc(x,y) tracked_realloc(x, y, __FILE__, __LINE__)
-#undef strdup
-#define strdup(x) tracked_strdup(x, __FILE__, __LINE__)
-#define free(x) tracked_free(x)
-void *tracked_malloc(size_t size, char *file, int line);
-void *tracked_realloc(void *ptr, size_t size, char *file, int line);
-void tracked_free(void *ptr);
-char *tracked_strdup(const char *s, char *file, int line);
-void dump_heap(void);
-#endif
-
-void create_maintenance_threads(void);
#endif /* SYSDEP_DECLS_H */