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-rw-r--r--src/gsmd/Makefile373
-rw-r--r--src/gsmd/Makefile.am2
-rw-r--r--src/gsmd/atcmd.c20
-rw-r--r--src/gsmd/gsmd.c11
-rw-r--r--src/gsmd/gsmd.h18
-rw-r--r--src/gsmd/log.c83
6 files changed, 120 insertions, 387 deletions
diff --git a/src/gsmd/Makefile b/src/gsmd/Makefile
deleted file mode 100644
index c447464..0000000
--- a/src/gsmd/Makefile
+++ /dev/null
@@ -1,373 +0,0 @@
-# Makefile.in generated by automake 1.6.3 from Makefile.am.
-# src/gsmd/Makefile. Generated from Makefile.in by configure.
-
-# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
-# Free Software Foundation, Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-
-SHELL = /bin/sh
-
-srcdir = .
-top_srcdir = ../..
-
-prefix = /usr/local
-exec_prefix = ${prefix}
-
-bindir = ${exec_prefix}/bin
-sbindir = ${exec_prefix}/sbin
-libexecdir = ${exec_prefix}/libexec
-datadir = ${prefix}/share
-sysconfdir = ${prefix}/etc
-sharedstatedir = ${prefix}/com
-localstatedir = ${prefix}/var
-libdir = ${exec_prefix}/lib
-infodir = ${prefix}/share/info
-mandir = ${prefix}/share/man
-includedir = ${prefix}/include
-oldincludedir = /usr/include
-pkgdatadir = $(datadir)/gsmd
-pkglibdir = $(libdir)/gsmd
-pkgincludedir = $(includedir)/gsmd
-top_builddir = ../..
-
-ACLOCAL = ${SHELL} /home/laforge/projects/kommerz/fic/phone/svn/src/target/gsm/missing --run aclocal-1.6
-AUTOCONF = ${SHELL} /home/laforge/projects/kommerz/fic/phone/svn/src/target/gsm/missing --run autoconf
-AUTOMAKE = ${SHELL} /home/laforge/projects/kommerz/fic/phone/svn/src/target/gsm/missing --run automake-1.6
-AUTOHEADER = ${SHELL} /home/laforge/projects/kommerz/fic/phone/svn/src/target/gsm/missing --run autoheader
-
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
-INSTALL = /usr/bin/install -c
-INSTALL_PROGRAM = ${INSTALL}
-INSTALL_DATA = ${INSTALL} -m 644
-install_sh_DATA = $(install_sh) -c -m 644
-install_sh_PROGRAM = $(install_sh) -c
-install_sh_SCRIPT = $(install_sh) -c
-INSTALL_SCRIPT = ${INSTALL}
-INSTALL_HEADER = $(INSTALL_DATA)
-transform = s,x,x,
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-build_alias =
-build_triplet = x86_64-unknown-linux-gnu
-host_alias =
-host_triplet = x86_64-unknown-linux-gnu
-target_alias =
-target_triplet = x86_64-unknown-linux-gnu
-
-EXEEXT =
-OBJEXT = o
-PATH_SEPARATOR = :
-AMTAR = ${SHELL} /home/laforge/projects/kommerz/fic/phone/svn/src/target/gsm/missing --run tar
-AR = ar
-AS = @AS@
-AWK = gawk
-CC = gcc
-CXX = g++
-CXXCPP = g++ -E
-DEPDIR = .deps
-DLLTOOL = @DLLTOOL@
-ECHO = echo
-EGREP = /bin/grep -E
-F77 =
-GCJ = @GCJ@
-GCJFLAGS = @GCJFLAGS@
-INSTALL_STRIP_PROGRAM = ${SHELL} $(install_sh) -c -s
-LIBTOOL = $(SHELL) $(top_builddir)/libtool
-LIBTOOL_DEPS = ./ltmain.sh
-LN_S = ln -s
-OBJDUMP = @OBJDUMP@
-PACKAGE = gsmd
-RANLIB = ranlib
-RC = @RC@
-STRIP = strip
-VERSION = 0.0.1
-am__include = include
-am__quote =
-install_sh = /home/laforge/projects/kommerz/fic/phone/svn/src/target/gsm/install-sh
-INCLUDES = $(all_includes) -I$(top_srcdir)/include
-AM_CFLAGS = -std=gnu99
-
-bin_PROGRAMS = gsmd
-
-gsmd_SOURCES = gsmd.c atcmd.c select.c vendor_ti.c usock.c unsolicited.c
-subdir = src/gsmd
-mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
-CONFIG_CLEAN_FILES =
-bin_PROGRAMS = gsmd$(EXEEXT)
-PROGRAMS = $(bin_PROGRAMS)
-
-am_gsmd_OBJECTS = gsmd.$(OBJEXT) atcmd.$(OBJEXT) select.$(OBJEXT) \
- vendor_ti.$(OBJEXT) usock.$(OBJEXT) unsolicited.$(OBJEXT)
-gsmd_OBJECTS = $(am_gsmd_OBJECTS)
-gsmd_LDADD = $(LDADD)
-gsmd_DEPENDENCIES =
-gsmd_LDFLAGS =
-
-DEFS = -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE=\"gsmd\" -DVERSION=\"0.0.1\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1
-DEFAULT_INCLUDES = -I. -I$(srcdir)
-CPPFLAGS =
-LDFLAGS =
-LIBS =
-depcomp = $(SHELL) $(top_srcdir)/depcomp
-am__depfiles_maybe = depfiles
-DEP_FILES = ./$(DEPDIR)/atcmd.Po ./$(DEPDIR)/gsmd.Po \
- ./$(DEPDIR)/select.Po ./$(DEPDIR)/unsolicited.Po \
- ./$(DEPDIR)/usock.Po ./$(DEPDIR)/vendor_ti.Po
-COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
- $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) \
- $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-CCLD = $(CC)
-LINK = $(LIBTOOL) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
- $(AM_LDFLAGS) $(LDFLAGS) -o $@
-CFLAGS = -g -O2
-DIST_SOURCES = $(gsmd_SOURCES)
-DIST_COMMON = Makefile.am Makefile.in
-SOURCES = $(gsmd_SOURCES)
-
-all: all-am
-
-.SUFFIXES:
-.SUFFIXES: .c .lo .o .obj
-$(srcdir)/Makefile.in: Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4)
- cd $(top_srcdir) && \
- $(AUTOMAKE) --gnu src/gsmd/Makefile
-Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
- cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)
-binPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
-install-binPROGRAMS: $(bin_PROGRAMS)
- @$(NORMAL_INSTALL)
- $(mkinstalldirs) $(DESTDIR)$(bindir)
- @list='$(bin_PROGRAMS)'; for p in $$list; do \
- p1=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
- if test -f $$p \
- || test -f $$p1 \
- ; then \
- f=`echo "$$p1" | sed 's,^.*/,,;$(transform);s/$$/$(EXEEXT)/'`; \
- echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) --mode=install $(binPROGRAMS_INSTALL) $$p $(DESTDIR)$(bindir)/$$f"; \
- $(INSTALL_PROGRAM_ENV) $(LIBTOOL) --mode=install $(binPROGRAMS_INSTALL) $$p $(DESTDIR)$(bindir)/$$f; \
- else :; fi; \
- done
-
-uninstall-binPROGRAMS:
- @$(NORMAL_UNINSTALL)
- @list='$(bin_PROGRAMS)'; for p in $$list; do \
- f=`echo "$$p" | sed 's,^.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
- echo " rm -f $(DESTDIR)$(bindir)/$$f"; \
- rm -f $(DESTDIR)$(bindir)/$$f; \
- done
-
-clean-binPROGRAMS:
- @list='$(bin_PROGRAMS)'; for p in $$list; do \
- f=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
- echo " rm -f $$p $$f"; \
- rm -f $$p $$f ; \
- done
-gsmd$(EXEEXT): $(gsmd_OBJECTS) $(gsmd_DEPENDENCIES)
- @rm -f gsmd$(EXEEXT)
- $(LINK) $(gsmd_LDFLAGS) $(gsmd_OBJECTS) $(gsmd_LDADD) $(LIBS)
-
-mostlyclean-compile:
- -rm -f *.$(OBJEXT) core *.core
-
-distclean-compile:
- -rm -f *.tab.c
-
-include ./$(DEPDIR)/atcmd.Po
-include ./$(DEPDIR)/gsmd.Po
-include ./$(DEPDIR)/select.Po
-include ./$(DEPDIR)/unsolicited.Po
-include ./$(DEPDIR)/usock.Po
-include ./$(DEPDIR)/vendor_ti.Po
-
-distclean-depend:
- -rm -rf ./$(DEPDIR)
-
-.c.o:
- source='$<' object='$@' libtool=no \
- depfile='$(DEPDIR)/$*.Po' tmpdepfile='$(DEPDIR)/$*.TPo' \
- $(CCDEPMODE) $(depcomp) \
- $(COMPILE) -c `test -f '$<' || echo '$(srcdir)/'`$<
-
-.c.obj:
- source='$<' object='$@' libtool=no \
- depfile='$(DEPDIR)/$*.Po' tmpdepfile='$(DEPDIR)/$*.TPo' \
- $(CCDEPMODE) $(depcomp) \
- $(COMPILE) -c `cygpath -w $<`
-
-.c.lo:
- source='$<' object='$@' libtool=yes \
- depfile='$(DEPDIR)/$*.Plo' tmpdepfile='$(DEPDIR)/$*.TPlo' \
- $(CCDEPMODE) $(depcomp) \
- $(LTCOMPILE) -c -o $@ `test -f '$<' || echo '$(srcdir)/'`$<
-CCDEPMODE = depmode=gcc3
-
-mostlyclean-libtool:
- -rm -f *.lo
-
-clean-libtool:
- -rm -rf .libs _libs
-
-distclean-libtool:
- -rm -f libtool
-uninstall-info-am:
-
-ETAGS = etags
-ETAGSFLAGS =
-
-tags: TAGS
-
-ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
- list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
- unique=`for i in $$list; do \
- if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
- done | \
- $(AWK) ' { files[$$0] = 1; } \
- END { for (i in files) print i; }'`; \
- mkid -fID $$unique
-
-TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
- $(TAGS_FILES) $(LISP)
- tags=; \
- here=`pwd`; \
- list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
- unique=`for i in $$list; do \
- if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
- done | \
- $(AWK) ' { files[$$0] = 1; } \
- END { for (i in files) print i; }'`; \
- test -z "$(ETAGS_ARGS)$$tags$$unique" \
- || $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
- $$tags $$unique
-
-GTAGS:
- here=`$(am__cd) $(top_builddir) && pwd` \
- && cd $(top_srcdir) \
- && gtags -i $(GTAGS_ARGS) $$here
-
-distclean-tags:
- -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH
-DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
-
-top_distdir = ../..
-distdir = $(top_distdir)/$(PACKAGE)-$(VERSION)
-
-distdir: $(DISTFILES)
- @list='$(DISTFILES)'; for file in $$list; do \
- if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
- dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
- if test "$$dir" != "$$file" && test "$$dir" != "."; then \
- dir="/$$dir"; \
- $(mkinstalldirs) "$(distdir)$$dir"; \
- else \
- dir=''; \
- fi; \
- if test -d $$d/$$file; then \
- if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
- cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
- fi; \
- cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
- else \
- test -f $(distdir)/$$file \
- || cp -p $$d/$$file $(distdir)/$$file \
- || exit 1; \
- fi; \
- done
-check-am: all-am
-check: check-am
-all-am: Makefile $(PROGRAMS)
-
-installdirs:
- $(mkinstalldirs) $(DESTDIR)$(bindir)
-
-install: install-am
-install-exec: install-exec-am
-install-data: install-data-am
-uninstall: uninstall-am
-
-install-am: all-am
- @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
-
-installcheck: installcheck-am
-install-strip:
- $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
- INSTALL_STRIP_FLAG=-s \
- `test -z '$(STRIP)' || \
- echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
-mostlyclean-generic:
-
-clean-generic:
-
-distclean-generic:
- -rm -f Makefile $(CONFIG_CLEAN_FILES)
-
-maintainer-clean-generic:
- @echo "This command is intended for maintainers to use"
- @echo "it deletes files that may require special tools to rebuild."
-clean: clean-am
-
-clean-am: clean-binPROGRAMS clean-generic clean-libtool mostlyclean-am
-
-distclean: distclean-am
-
-distclean-am: clean-am distclean-compile distclean-depend \
- distclean-generic distclean-libtool distclean-tags
-
-dvi: dvi-am
-
-dvi-am:
-
-info: info-am
-
-info-am:
-
-install-data-am:
-
-install-exec-am: install-binPROGRAMS
-
-install-info: install-info-am
-
-install-man:
-
-installcheck-am:
-
-maintainer-clean: maintainer-clean-am
-
-maintainer-clean-am: distclean-am maintainer-clean-generic
-
-mostlyclean: mostlyclean-am
-
-mostlyclean-am: mostlyclean-compile mostlyclean-generic \
- mostlyclean-libtool
-
-uninstall-am: uninstall-binPROGRAMS uninstall-info-am
-
-.PHONY: GTAGS all all-am check check-am clean clean-binPROGRAMS \
- clean-generic clean-libtool distclean distclean-compile \
- distclean-depend distclean-generic distclean-libtool \
- distclean-tags distdir dvi dvi-am info info-am install \
- install-am install-binPROGRAMS install-data install-data-am \
- install-exec install-exec-am install-info install-info-am \
- install-man install-strip installcheck installcheck-am \
- installdirs maintainer-clean maintainer-clean-generic \
- mostlyclean mostlyclean-compile mostlyclean-generic \
- mostlyclean-libtool tags uninstall uninstall-am \
- uninstall-binPROGRAMS uninstall-info-am
-
-#gsmd_LDADD = ../libgsmd/libgsmd.la
-#gsmd_LDFLAGS = -dynamic
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/src/gsmd/Makefile.am b/src/gsmd/Makefile.am
index ae1cc09..2d62662 100644
--- a/src/gsmd/Makefile.am
+++ b/src/gsmd/Makefile.am
@@ -3,7 +3,7 @@ AM_CFLAGS = -std=gnu99
bin_PROGRAMS = gsmd
-gsmd_SOURCES = gsmd.c atcmd.c select.c vendor_ti.c usock.c unsolicited.c
+gsmd_SOURCES = gsmd.c atcmd.c select.c vendor_ti.c usock.c unsolicited.c log.c
#gsmd_LDADD = ../libgsmd/libgsmd.la
#gsmd_LDFLAGS = -dynamic
diff --git a/src/gsmd/atcmd.c b/src/gsmd/atcmd.c
index ed061e2..c8ae8cd 100644
--- a/src/gsmd/atcmd.c
+++ b/src/gsmd/atcmd.c
@@ -48,7 +48,7 @@ static inline int llparse_append(struct llparser *llp, char byte)
*(llp->cur++) = byte;
return 0;
} else {
- printf("llp->cur too big!!!\n");
+ DEBUGP("llp->cur too big!!!\n");
return -EFBIG;
}
}
@@ -160,12 +160,12 @@ static int ml_parse(const char *buf, int len, void *ctx)
/* an extended response */
const char *colon = strchr(buf, ':');
if (!colon) {
- fprintf(stderr, "no colon in extd response `%s'\n",
+ gsmd_log(GSMD_ERROR, "no colon in extd response `%s'\n",
buf);
return -EINVAL;
}
if (cmd->buf[2] != '+') {
- fprintf(stderr, "extd reply to non-extd command?\n");
+ gsmd_log(GSMD_ERROR, "extd reply to non-extd command?\n");
return -EINVAL;
}
@@ -238,7 +238,7 @@ final_cb:
g->gfd_uart.when |= GSMD_FD_WRITE;
if (!cmd->cb) {
- fprintf(stderr, "command without cb!!!\n");
+ gsmd_log(GSMD_NOTICE, "command without cb!!!\n");
return -EINVAL;
}
return cmd->cb(cmd, cmd->ctx);
@@ -260,13 +260,13 @@ static int atcmd_select_cb(int fd, unsigned int what, void *data)
if (len < 0) {
if (errno == EAGAIN)
return 0;
- DEBUGP("ERROR reading from fd %u: %d (%s)\n", fd, len,
+ gsmd_log(GSMD_NOTICE, "ERROR reading from fd %u: %d (%s)\n", fd, len,
strerror(errno));
return len;
}
rc = llparse_string(&g->llp, rxbuf, len);
if (rc < 0) {
- DEBUGP("ERROR during llparse_string: %d\n", rc);
+ gsmd_log(GSMD_ERROR, "ERROR during llparse_string: %d\n", rc);
return rc;
}
}
@@ -279,15 +279,15 @@ static int atcmd_select_cb(int fd, unsigned int what, void *data)
len = strlen(pos->buf);
rc = write(fd, pos->buf, strlen(pos->buf));
if (rc == 0) {
- DEBUGP("write returns 0, aborting\n");
+ gsmd_log(GSMD_ERROR, "write returns 0, aborting\n");
break;
} else if (rc < 0) {
- DEBUGP("error during write to fd %d: %d\n",
+ gsmd_log(GSMD_ERROR, "error during write to fd %d: %d\n",
fd, rc);
return rc;
}
if (rc < len) {
- fprintf(stderr, "short write!!! FIXME!\n");
+ gsmd_log(GSMD_FATAL, "short write!!! FIXME!\n");
exit(3);
}
write(fd, "\r", 1);
@@ -351,7 +351,7 @@ void atcmd_drain(int fd)
struct termios t;
rc = tcflush(fd, TCIOFLUSH);
rc = tcgetattr(fd, &t);
- printf("c_iflag = 0x%08x, c_oflag = 0x%08x, c_cflag = 0x%08x, c_lflag = 0x%08x\n",
+ DEBUGP("c_iflag = 0x%08x, c_oflag = 0x%08x, c_cflag = 0x%08x, c_lflag = 0x%08x\n",
t.c_iflag, t.c_oflag, t.c_cflag, t.c_lflag);
t.c_iflag = t.c_oflag = 0;
rc = tcsetattr(fd, TCSANOW, &t);
diff --git a/src/gsmd/gsmd.c b/src/gsmd/gsmd.c
index 9267977..e6d9982 100644
--- a/src/gsmd/gsmd.c
+++ b/src/gsmd/gsmd.c
@@ -113,6 +113,7 @@ static struct option opts[] = {
{ "help", 0, NULL, 'h' },
{ "device", 1, NULL, 'p' },
{ "speed", 1, NULL, 's' },
+ { "logfile", 1, NULL, 'l' },
};
static void print_help(void)
@@ -125,6 +126,7 @@ static void print_help(void)
"\t-h\t--help\t\tDisplay this help message\n"
"\t-p dev\t--device dev\tSpecify serial device to be used\n"
"\t-s spd\t--speed spd\tSpecify speed in bps (9600,38400,115200,...)\n"
+ "\t-l file\t--logfile file\tSpecify a logfile to log to\n"
);
}
@@ -135,9 +137,10 @@ int main(int argc, char **argv)
int daemonize = 0;
int bps = 115200;
char *device = "/dev/ttyUSB0";
+ char *logfile = "syslog";
/*FIXME: parse commandline, set daemonize, device, ... */
- while ((argch = getopt_long(argc, argv, "Vdhp:s:", opts, NULL)) != -1) {
+ while ((argch = getopt_long(argc, argv, "Vdhp:s:l:", opts, NULL)) != -1) {
switch (argch) {
case 'V':
/* FIXME */
@@ -156,6 +159,12 @@ int main(int argc, char **argv)
case 's':
bps = atoi(optarg);
break;
+ case 'l':
+ if (gsmdlog_init(optarg)) {
+ fprintf(stderr, "can't open logfile `%s'\n", optarg);
+ exit(2);
+ }
+ break;
}
}
diff --git a/src/gsmd/gsmd.h b/src/gsmd/gsmd.h
index 7a94ef7..460e9d4 100644
--- a/src/gsmd/gsmd.h
+++ b/src/gsmd/gsmd.h
@@ -65,5 +65,19 @@ struct gsmd_user {
u_int32_t subscriptions; /* bitmaks of subscribed event groups */
};
-#define DEBUGP(x, args ...) printf("%s:%s(%d):" x, __FILE__, __FUNCTION__, __LINE__, ## args)
-#endif
+#define GSMD_DEBUG 1 /* debugging information */
+#define GSMD_INFO 3
+#define GSMD_NOTICE 5 /* abnormal/unexpected condition */
+#define GSMD_ERROR 7 /* error condition, requires user action */
+#define GSMD_FATAL 8 /* fatal, program aborted */
+
+extern int gsmdlog_init(const char *path);
+/* write a message to the daemons' logfile */
+void __gsmd_log(int level, const char *file, int line, const char *message, ...);
+/* macro for logging including filename and line number */
+#define gsmd_log(level, format, args...) \
+ __gsmd_log(level, __FILE__, __LINE__, format, ## args)
+
+#define DEBUGP(x, args ...) gsmd_log(GSMD_DEBUG, x, ## args)
+
+#endif /* __GSMD_H */
diff --git a/src/gsmd/log.c b/src/gsmd/log.c
new file mode 100644
index 0000000..671916e
--- /dev/null
+++ b/src/gsmd/log.c
@@ -0,0 +1,83 @@
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <syslog.h>
+#include <time.h>
+
+#include <sys/types.h>
+
+#include "gsmd.h"
+
+static FILE *logfile;
+static FILE syslog_dummy;
+static int loglevel;
+
+static int gsmd2syslog[] = {
+ [GSMD_DEBUG] = LOG_DEBUG,
+ [GSMD_INFO] = LOG_INFO,
+ [GSMD_NOTICE] = LOG_NOTICE,
+ [GSMD_ERROR] = LOG_ERR,
+ [GSMD_FATAL] = LOG_CRIT,
+};
+
+static inline int gsmd2syslog_level(int level)
+{
+ if (level >= ARRAY_SIZE(gsmd2syslog))
+ return LOG_ERR;
+
+ return gsmd2syslog[level];
+}
+
+void __gsmd_log(int level, const char *file, int line, const char *format, ...)
+{
+ char *timestr;
+ va_list ap;
+ time_t tm;
+ FILE *outfd;
+
+ if (level < loglevel)
+ return;
+
+ if (logfile == &syslog_dummy) {
+ va_start(ap, format);
+ vsyslog(gsmd2syslog_level(level), format, ap);
+ va_end(ap);
+ } else {
+ if (logfile)
+ outfd = logfile;
+ else
+ outfd = stderr;
+
+ tm = time(NULL);
+ timestr = ctime(&tm);
+ timestr[strlen(timestr)-1] = '\0';
+ fprintf(outfd, "%s <%1.1d> %s:%d ", timestr, level, file, line);
+
+ va_start(ap, format);
+ vfprintf(outfd, format, ap);
+ va_end(ap);
+
+ fflush(outfd);
+ }
+}
+
+int gsmdlog_init(const char *path)
+{
+
+ if (!strcmp(path, "syslog")) {
+ logfile = &syslog_dummy;
+ openlog("gsmd", 0, LOG_DAEMON);
+ } else {
+ logfile = fopen(path, "a+");
+ }
+
+ if (logfile == NULL)
+ return -1;
+
+ gsmd_log(LOG_INFO, "logfile successfully opened\n");
+
+ return 0;
+}
personal git repositories of Harald Welte. Your mileage may vary