added remote syslogging to sys::openlog(), sys::writelog(), sys::closelog()
This commit is contained in:
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39e43d4201
commit
7fb03044e8
@ -52,14 +52,35 @@
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# define ENABLE_SYSLOG
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# include <syslog.h>
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# include <sys/socket.h>
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#endif
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#include <stdlib.h> /* getenv, system */
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#include <time.h>
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#include <qse/si/sio.h>
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typedef enum syslog_type_t syslog_type_t;
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enum syslog_type_t
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{
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SYSLOG_LOCAL,
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SYSLOG_REMOTE
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};
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struct mod_ctx_t
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{
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char* log_ident;
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struct
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{
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syslog_type_t type;
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char* ident;
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qse_skad_t skad;
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int syslog_opened; // has openlog() been called?
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int opt;
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int fac;
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int sck;
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qse_mbs_t* dmsgbuf;
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} log;
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};
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typedef struct mod_ctx_t mod_ctx_t;
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@ -884,12 +905,14 @@ static int fnc_openlog (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
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int rx = -1;
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qse_awk_int_t opt, fac;
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qse_awk_val_t* retv;
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qse_char_t* ident = QSE_NULL;
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qse_char_t* ident = QSE_NULL, * actual_ident;
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qse_size_t ident_len;
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qse_mchar_t* mbs_ident;
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mod_ctx_t* mctx = fi->mod->ctx;
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qse_nwad_t nwad;
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syslog_type_t log_type = SYSLOG_LOCAL;
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#if defined(ENABLE_SYSLOG)
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ident = qse_awk_rtx_getvalstr(rtx, qse_awk_rtx_getarg(rtx, 0), &ident_len);
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if (!ident) goto done;
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@ -900,19 +923,69 @@ static int fnc_openlog (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
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if (qse_awk_rtx_valtoint(rtx, qse_awk_rtx_getarg(rtx, 1), &opt) <= -1) goto done;
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if (qse_awk_rtx_valtoint(rtx, qse_awk_rtx_getarg(rtx, 2), &fac) <= -1) goto done;
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if (qse_strbeg(ident, QSE_T("remote://")))
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{
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qse_char_t* slash;
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/* "udp://remote-addr:remote-port/syslog-identifier" */
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log_type = SYSLOG_REMOTE;
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actual_ident = ident + 9;
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slash = qse_strchr(actual_ident, QSE_T('/'));
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if (!slash) goto done;
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if (qse_strntonwad(actual_ident, slash - actual_ident, &nwad) <= -1) goto done;
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actual_ident = slash + 1;
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}
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else if (qse_strbeg(ident, QSE_T("local://")))
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{
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/* "local://syslog-identifier" */
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actual_ident = ident + 8;
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}
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else
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{
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actual_ident = ident;
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}
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#if defined(QSE_CHAR_IS_MCHAR)
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mbs_ident = qse_mbsdup(ident, qse_awk_rtx_getmmgr(rtx));
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mbs_ident = qse_mbsdup(actual_ident, qse_awk_rtx_getmmgr(rtx));
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#else
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mbs_ident = qse_wcstombsdup(ident, QSE_NULL, qse_awk_rtx_getmmgr(rtx));
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mbs_ident = qse_wcstombsdup(actual_ident, QSE_NULL, qse_awk_rtx_getmmgr(rtx));
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#endif
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if (!mbs_ident) goto done;
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if (mctx->log_ident) qse_awk_rtx_freemem (rtx, mctx->log_ident);
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mctx->log_ident = mbs_ident;
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if (mctx->log.ident) qse_awk_rtx_freemem (rtx, mctx->log.ident);
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mctx->log.ident = mbs_ident;
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openlog(mbs_ident, opt, fac);
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rx = 0;
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#if defined(ENABLE_SYSLOG)
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if (mctx->log.syslog_opened)
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{
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closelog ();
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mctx->log.syslog_opened = 0;
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}
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#endif
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if (mctx->log.sck >= 0)
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{
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close (mctx->log.sck);
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mctx->log.sck = -1;
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}
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mctx->log.type = log_type;
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mctx->log.opt = opt;
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mctx->log.fac = fac;
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if (mctx->log.type == SYSLOG_LOCAL)
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{
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#if defined(ENABLE_SYSLOG)
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openlog(mbs_ident, opt, fac);
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mctx->log.syslog_opened = 1;
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#endif
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}
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else if (mctx->log.type == SYSLOG_REMOTE)
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{
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qse_nwadtoskad (&nwad, &mctx->log.skad);
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/* TODO: open socket? */
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}
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rx = 0;
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done:
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if (ident) qse_awk_rtx_freevalstr(rtx, qse_awk_rtx_getarg(rtx, 0), ident);
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@ -930,15 +1003,39 @@ static int fnc_closelog (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
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qse_awk_val_t* retv;
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mod_ctx_t* mctx = fi->mod->ctx;
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#if defined(ENABLE_SYSLOG)
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if (mctx->log_ident)
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if (mctx->log.type == SYSLOG_LOCAL)
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{
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qse_awk_rtx_freemem (rtx, mctx->log_ident);
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mctx->log_ident = QSE_NULL;
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}
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#if defined(ENABLE_SYSLOG)
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closelog ();
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rx = 0;
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// closelog() might be called without openlog(). so there is no
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// check if syslog_opened is true.
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// it is just used as an indicator to decide wheter closelog()
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// upon module finalization(fini).
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mctx->log.syslog_opened = 0;
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#endif
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}
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else if (mctx->log.type == SYSLOG_REMOTE)
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{
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if (mctx->log.sck >= 0)
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{
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close (mctx->log.sck);
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mctx->log.sck = -1;
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}
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if (mctx->log.dmsgbuf)
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{
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qse_mbs_close (mctx->log.dmsgbuf);
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mctx->log.dmsgbuf = QSE_NULL;
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}
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}
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if (mctx->log.ident)
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{
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qse_awk_rtx_freemem (rtx, mctx->log.ident);
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mctx->log.ident = QSE_NULL;
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}
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rx = 0;
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retv = qse_awk_rtx_makeintval(rtx, rx);
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if (retv == QSE_NULL) return -1;
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@ -954,14 +1051,18 @@ static int fnc_writelog (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
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qse_awk_int_t pri;
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qse_char_t* msg = QSE_NULL;
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qse_size_t msglen;
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mod_ctx_t* mctx = fi->mod->ctx;
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#if defined(ENABLE_SYSLOG)
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if (qse_awk_rtx_valtoint(rtx, qse_awk_rtx_getarg(rtx, 0), &pri) <= -1) goto done;
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msg = qse_awk_rtx_getvalstr(rtx, qse_awk_rtx_getarg(rtx, 1), &msglen);
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if (!msg) goto done;
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if (qse_strxchr(msg, msglen, QSE_T('\0'))) goto done;
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if (mctx->log.type == SYSLOG_LOCAL)
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{
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#if defined(ENABLE_SYSLOG)
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#if defined(QSE_CHAR_IS_MCHAR)
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syslog(pri, "%s", msg);
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#else
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@ -973,8 +1074,91 @@ static int fnc_writelog (qse_awk_rtx_t* rtx, const qse_awk_fnc_info_t* fi)
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qse_awk_rtx_freemem (rtx, mbs);
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}
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#endif
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rx = 0;
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#endif
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}
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else if (mctx->log.type == SYSLOG_REMOTE)
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{
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#if defined(_WIN32)
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/* TODO: implement this */
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#else
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qse_ntime_t now;
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qse_btime_t cnow;
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static const qse_mchar_t* __syslog_month_names[] =
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{
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QSE_MT("Jan"),
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QSE_MT("Feb"),
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QSE_MT("Mar"),
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QSE_MT("Apr"),
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QSE_MT("May"),
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QSE_MT("Jun"),
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QSE_MT("Jul"),
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QSE_MT("Aug"),
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QSE_MT("Sep"),
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QSE_MT("Oct"),
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QSE_MT("Nov"),
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QSE_MT("Dec"),
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};
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if (mctx->log.sck <= -1)
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{
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#if defined(SOCK_CLOEXECX)
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mctx->log.sck = socket (qse_skadfamily(&mctx->log.skad), SOCK_DGRAM | SOCK_CLOEXEC, 0);
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#else
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mctx->log.sck = socket (qse_skadfamily(&mctx->log.skad), SOCK_DGRAM, 0);
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#if defined(FD_CLOEXEC)
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if (mctx->log.sck >= 0)
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{
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int flag = fcntl (mctx->log.sck, F_GETFD);
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if (flag >= 0) fcntl (mctx->log.sck, F_SETFD, flag | FD_CLOEXEC);
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}
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#endif
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#endif
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}
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if (mctx->log.sck >= 0)
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{
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///////////////////////////
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if (!mctx->log.dmsgbuf) mctx->log.dmsgbuf = qse_mbs_open(qse_awk_rtx_getmmgr(rtx), 0, 0);
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if (!mctx->log.dmsgbuf) goto done;
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if (qse_gettime(&now) || qse_localtime(&now, &cnow) <= -1) goto done;
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if (qse_mbs_fmt (
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mctx->log.dmsgbuf, QSE_MT("<%d>%s %02d %02d:%02d:%02d "),
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(int)(mctx->log.fac | pri),
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__syslog_month_names[cnow.mon], cnow.mday,
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cnow.hour, cnow.min, cnow.sec) == (qse_size_t)-1) goto done;
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if (mctx->log.ident || (mctx->log.opt & LOG_PID))
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{
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/* if the identifier is set or LOG_PID is set, the produced tag won't be empty.
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* so appending ':' is kind of ok */
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if (qse_mbs_fcat(mctx->log.dmsgbuf, QSE_MT("%hs"), (mctx->log.ident? mctx->log.ident: QSE_MT(""))) == (qse_size_t)-1) goto done;
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if (mctx->log.opt & LOG_PID)
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{
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if (qse_mbs_fcat(mctx->log.dmsgbuf, QSE_MT("[%d]"), (int)QSE_GETPID()) == (qse_size_t)-1) goto done;
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}
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if (qse_mbs_fcat(mctx->log.dmsgbuf, QSE_MT(": ")) == (qse_size_t)-1) goto done;
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}
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#if defined(QSE_CHAR_IS_MCHAR)
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if (qse_mbs_fcat(mctx->log.dmsgbuf, QSE_MT("%hs"), msg) == (qse_size_t)-1) goto done;
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#else
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if (qse_mbs_fcat(mctx->log.dmsgbuf, QSE_MT("%ls"), msg) == (qse_size_t)-1) goto done;
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#endif
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/* don't care about output failure */
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sendto (mctx->log.sck, QSE_MBS_PTR(mctx->log.dmsgbuf), QSE_MBS_LEN(mctx->log.dmsgbuf),
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0, (struct sockaddr*)&mctx->log.skad, qse_skadsize(&mctx->log.skad));
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}
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#endif
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}
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rx = 0;
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done:
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if (msg) qse_awk_rtx_freevalstr(rtx, qse_awk_rtx_getarg(rtx, 1), msg);
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@ -1160,6 +1344,10 @@ static int query (qse_awk_mod_t* mod, qse_awk_t* awk, const qse_char_t* name, qs
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static int init (qse_awk_mod_t* mod, qse_awk_rtx_t* rtx)
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{
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mod_ctx_t* mctx = (mod_ctx_t*)mod->ctx;
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mctx->log.type = SYSLOG_LOCAL;
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mctx->log.syslog_opened = 0;
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mctx->log.sck = -1;
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return 0;
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}
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@ -1169,11 +1357,45 @@ static void fini (qse_awk_mod_t* mod, qse_awk_rtx_t* rtx)
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for (each pid for rtx) kill (pid, SIGKILL);
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for (each pid for rtx) waitpid (pid, QSE_NULL, 0);
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*/
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mod_ctx_t* mctx = (mod_ctx_t*)mod->ctx;
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#if defined(ENABLE_SYSLOG)
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if (mctx->log.syslog_opened)
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{
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/* closelog() only if openlog() has been called explicitly */
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closelog ();
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mctx->log.syslog_opened = 0;
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}
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#endif
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if (mctx->log.sck >= 0)
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{
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#if defined(_WIN32)
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/* TODO: implement this */
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#else
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close (mctx->log.sck);
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#endif
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mctx->log.sck = -1;
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}
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if (mctx->log.dmsgbuf)
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{
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qse_mbs_close (mctx->log.dmsgbuf);
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mctx->log.dmsgbuf = QSE_NULL;
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}
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if (mctx->log.ident)
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{
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qse_awk_rtx_freemem (rtx, mctx->log.ident);
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mctx->log.ident = QSE_NULL;
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}
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}
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static void unload (qse_awk_mod_t* mod, qse_awk_t* awk)
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{
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qse_awk_freemem (awk, mod->ctx);
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mod_ctx_t* mctx = (mod_ctx_t*)mod->ctx;
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qse_awk_freemem (awk, mctx);
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}
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int qse_awk_mod_sys (qse_awk_mod_t* mod, qse_awk_t* awk)
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@ -624,7 +624,7 @@ void qse_log_reportv (qse_log_t* log, const qse_char_t* ident, int pri, const qs
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if (id_out)
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{
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fpdilen = qse_mbs_fcat (log->dmsgbuf, QSE_MT(": "), log->ident);
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fpdilen = qse_mbs_fcat (log->dmsgbuf, QSE_MT(": "));
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if (fpdilen == (qse_size_t)-1) goto done;
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}
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else
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