ze-txtlog.h

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/*
 *
 * ze-filter - Mail Server Filter for sendmail
 *
 * Copyright (c) 2001-2018 - Jose-Marcio Martins da Cruz
 *
 *  Auteur       : Jose Marcio Martins da Cruz
 *                 jose.marcio.mc@gmail.org
 *
 *  Historique   :
 *  Creation     : Mon Jan  9 17:31:39 CET 2006
 *
 * This program is free software, but with restricted license :
 *
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * More details about ze-filter license can be found at ze-filter
 * web site : http://foss.jose-marcio.org
 */


#ifndef __ZE_TXTLOG_H

#define     JC_LOG_NONE     0
#define     JC_LOG_SYSLOG   1
#define     JC_LOG_FILE     2
#define     JC_LOG_UDP      3

/* Format :
**    syslog:prefix:priority
**    file:/path/to/file
**    udp:port@address
*/

#define ARGVM                 9

#define     LOGNAME_REGEX   "^(none|syslog|file|udp):"

typedef struct {
  uint32_t            signature;     
  pthread_mutex_t     gmutex;        
  pthread_mutex_t     mutex;         
  bool                init;          
  bool                debug;         
  int                 error;         
  int                 nberror;       
  time_t              lasterror;     
  bool                open;          
  int                 logtype;       
  char               *spec;          
  char               *args;          
  int                 argc;          
  char               *argv[ARGVM];   
  union {
    /*
     * syslog 
     */
    struct {
      int                 priority;   
      char               *c;          
    } syslog;
    /*
     * file 
     */
    struct {
      int                 fd;         
    } file;
    /*
     * udp 
     */
    struct {
      int                 fd;         
      int                 port;       
      char                udpSrv[64]; 
      bool                connect;    
      struct sockaddr_in  sock; 
    } udp;
  } log;
} LOG_T;

#define LOG_INITIALIZER     \
  {                               \
    SIGNATURE,                    \
      PTHREAD_MUTEX_INITIALIZER,  \
      PTHREAD_MUTEX_INITIALIZER,  \
      FALSE,                      \
      FALSE,                      \
      0,                          \
      0,                          \
      (time_t ) 0,                \
      FALSE,                      \
      JC_LOG_NONE,                \
      NULL,                       \
      NULL,                       \
      0                           \
      }

bool                log_init(LOG_T *);
bool                log_debug(LOG_T *, bool);

bool                log_lock(LOG_T *);
bool                log_unlock(LOG_T *);

bool                log_ready(LOG_T *);
bool                log_open(LOG_T *, char *);
bool                log_reopen(LOG_T *);

bool                log_close(LOG_T *);

bool                log_write(LOG_T *, char *);
bool                log_printf(LOG_T *, char *, ...);

int                 log_error(LOG_T *);

#define        log_check_and_open(log,name) \
  (log_ready(log) || log_open(log, name))

#define ADJUST_LOG_NAME(path, fname, dir, defval)     \
  do {                                                            \
    char *name = NULL;                                            \
    name = (fname != NULL && strlen(fname) > 0) ? fname : defval; \
    if (zeStrRegex(name, LOGNAME_REGEX, NULL, NULL, TRUE)) {      \
      strlcpy(path, name, sizeof(path));                          \
    } else {                                                      \
      strcpy(path, "");                                           \
      if (*name == '/')                                           \
        snprintf(path, sizeof(path), "file:%s", name);            \
      else                                                        \
        snprintf(path, sizeof(path), "file:%s/%s", dir, name);    \
    }                                                             \
    zeLog_MessageInfo(12, "Adjusted path is %s", path);           \
  } while (FALSE);

#define __ZE_TXTLOG_H    1
#endif             /* __ZE_TXTLOG_H */