daemon/include/daemon.global.class

# $Id$

# # import_resource $table $serial $resource $value
# import_resource()
# {
# 	local table="$1"
# 	local serial="$2"
# 	local resource="$3"
# 	local value="$4"
# 
# 	if [[ ${DEBUG} = 1 ]]
# 	then
# 		echo "${table}->${resource}=${value}" >> /root/lala.log
# 		echo "mysqldo \"update ${table} set ${resource}='${value}' where serial=${serial};\"" >> /root/lala.log
# 	fi
# 
# 	mysql_insert "${table}",serial="${serial}","${resource}"="${value}"
# }

# run_class $method $caller $argv1 $argv2 ... $argvN
run_class()
{
	local method="$1"
	local caller="$2"
	local class
	local cmd
	local argv

	if valid_session
	then
		class="${caller%.*}"
		cmd="${caller#*.}"
		argv="${@/${caller}/}" # remove caller
		argv="${argv/${method}/}" # remove method

#		echo "method=${method}"
# 		echo "caller=${caller}"
# 		echo "class=${class}"
# 		echo "cmd=${cmd}"
# 		echo "argv=${argv}"

		# check if class.cmd exist
		if [[ ! -z $(typeset -f "${method}"_"${class}"_"${cmd}") ]]
		then
			"${method}"_"${class}"_"${cmd}" ${argv}
		else
 			eecho "unkown method '${method}' . class '${class}' . cmd '${cmd}'"
		fi
	else
		invalid_session
	fi
}

help_topics()
{
	local i
	local topics

	topics=$(typeset -f | grep '^help_' | sed 's:help_\(.*\)\ .*():\1:' | sed 's:_:\.:' | sort)
	mecho "Global commands:"
	mecho "\timport   - import settings to database"
	mecho "\tget      - shows current value for a settings"
	mecho "\tset      - sets value for a setting"
	mecho "\tauth     - authenticate to the daemon"
	mecho "\tprovide  - shows provides of a system"
	mecho "\trequire  - verify plugin requirements"
	mecho "\tnocolors - disable colors, useful for the webclient"
	mecho "\tquiet    - do not print any unecessary messages"
	mecho "\thelp     - shows help"
	mecho "\tquit     - quits the connection to the server"
	mecho
	mecho "Help topics:"
	for i in ${topics}
	do
		# excludes
		case ${i} in
			help_topics|topics) continue ;;
		esac

		mecho "\t${i}"
	done
	mecho
	mecho "Type 'help [topic]' for more information about every topic."
}

# on newer xorg-servers root is not allowed to run progs in a user session
x11runas()
{
	if pidof X
	then
		su - "${MCORE_UNPRIV_USER}" -c "DISPLAY=${MCORE_XORG_DISPLAY} $@"
	fi
}

addconfig()
{
	local opts

	if [[ -z ${CONFIG} ]]
	then
		eecho "You must define \$CONFIG varibale first!"
		return 1
	fi

	if [[ ! -d $(dirname ${CONFIG}) ]]
	then
		install -d $(dirname ${CONFIG})
	fi

	# check for opts
	case $1 in
		-n) shift; opts=" -n" ;;
		-e) shift; opts=" -e" ;;
	esac

	echo ${opts} "$@" >> ${CONFIG}
}

clearconfig()
{
	if [[ -z ${CONFIG} ]]
	then
		eecho "You must define \$CONFIG varibale first!"
		return 1
	fi

	if [[ ! -d $(dirname ${CONFIG}) ]]
	then
		install -d $(dirname ${CONFIG})
	fi
	: > ${CONFIG}
}

# no_duplicate $list $item
no_duplicate()
{
	local i
	local list="$1"
	local item="$2"

	for i in ${list}
	do
		[[ ${i} = ${item} ]] && return 1
	done

	return 0
}

require()
{
	local requires="$@"
	local i

	for i in ${requires}
	do
		# check for duplicate provides
		if no_duplicate "${PROVIDE}" "${i}"
		then
			export REQUIRE="${REQUIRE} ${i}"
		else
			decho "duplicate provide '${i}' detected!" 
		fi
	done
}

verify_requirements()
{
	local req
	local prov
	local missing
	local sorted

	for req in ${REQUIRE}
	do
		# scan PROVIDE for dupes
		# if a dupe is found, then requirement is fullfilled
		# else add to missing
		if no_duplicate "${PROVIDE}" "${req}"
		then
			missing="${missing} ${req}"
		fi
	done

	# sort them alpabetically
	sorted=$(for i in ${REQUIRE}; do echo "${i}"; done | sort)

	# show missing and set the right retval
	if [[ -z ${missing} ]]
	then
		rvecho "${sorted}"
		return 0
	else
		for req in ${sorted}
		do
			if no_duplicate "${missing}" "$req"
			then
				# print normal
				rvecho -n " ${req}"
			else
				# print missing
				eecho -n " ${req}"
			fi
		done
		return 1
	fi
}

provide()
{
	local provides="$@"
	local i

	for i in ${provides}
	do
		# check for duplicate provides
		if no_duplicate "${PROVIDE}" "${i}"
		then
			export PROVIDE="${PROVIDE} ${i}"
		else
			decho "duplicate provide '${i}' detected!" 
		fi
	done
}

print_provide()
{
	local sorted

	# sort them alpabetically
	sorted=$(for i in ${PROVIDE}; do echo "${i}"; done | sort)
	# do not escape, or CRLFS get printed to screen too
	rvecho ${sorted}	
}

# message only echo | disabled in quiet mode
mecho()
{
	local COLCYAN="\033[1;36m"
	local COLDEFAULT="\033[0m"
	local opts
	local webcrlf

	# print nothing if quiet mode was requested
	[[ ${QUIET} = true ]] && return

	if [[ ${NOCOLORS} = true ]]
	then
		COLCYAN=""
		COLDEFAULT=""
	fi

	[[ ${WEBCRLF} = true ]] && webcrlf="<br>"

	# respect -n
	case $1 in
		-n) shift; opts="n" ;;
	esac

	echo -e${opts} "${COLCYAN}$@${COLDEFAULT}${webcrlf}"
}

# prints error messages | enabled even in quiet mode
eecho()
{
	local COLRED="\033[1;31m"
	local COLDEFAULT="\033[0m"
	local opts
	local webcrlf

	if [[ ${NOCOLORS} = true ]]
	then
		COLRED=""
		COLDEFAULT=""
	fi

	[[ ${WEBCRLF} = true ]] && webcrlf="<br>"

	# respect -n
	case $1 in
		-n) shift; opts="n" ;;
	esac

	echo -e${opts} "${COLRED}$@${COLDEFAULT}${webcrlf}"
}

# prints return values of get | enabled even in quiet mode
rvecho()
{
	local COLPURPLE="\033[1;35m"
	local COLDEFAULT="\033[0m"
	local opts
	local webcrlf

	if [[ ${NOCOLORS} = true ]]
	then
		COLPURPLE=""
		COLDEFAULT=""
	fi

	[[ ${WEBCRLF} = true ]] && webcrlf="<br>"

	# respect -n
	case $1 in
		-n) shift; opts="n" ;;
	esac

	echo -e${opts} "${COLPURPLE}$@${COLDEFAULT}${webcrlf}"
}

# prints debug messages if requested | enabled even in quiet mode
decho()
{
	# print nothing if debug mode was *not* requested
	[[ ${DEBUG} != 1 ]] && return

	eecho "DEBUG: ${@}"
}

path_not_empty()
{
	local path="$1"
	[[ -z ${path} ]] && eecho "path_not_empty(): no path given!" && return 1

	# return ERR if path does not exist
	[[ ! -d ${path} ]] && return 1
	# return ERR if path empty
	[[ -z $(find "${path}" -mindepth 1 -maxdepth 1) ]] && return 1

	# every thing went ok, directory not empty
	return 0
}
1	niro	1248	# $Id$
2
3	niro	1252	# # import_resource $table $serial $resource $value
4			# import_resource()
5			# {
6			# local table="$1"
7			# local serial="$2"
8			# local resource="$3"
9			# local value="$4"
10			#
11			# if [[ ${DEBUG} = 1 ]]
12			# then
13			# echo "${table}->${resource}=${value}" >> /root/lala.log
14			# echo "mysqldo \"update ${table} set ${resource}='${value}' where serial=${serial};\"" >> /root/lala.log
15			# fi
16			#
17			# mysql_insert "${table}",serial="${serial}","${resource}"="${value}"
18			# }
19	niro	1248
20			# run_class $method $caller $argv1 $argv2 ... $argvN
21			run_class()
22			{
23			local method="$1"
24			local caller="$2"
25			local class
26			local cmd
27			local argv
28
29	niro	1308	if valid_session
30	niro	1248	then
31			class="${caller%.*}"
32			cmd="${caller#*.}"
33			argv="${@/${caller}/}" # remove caller
34			argv="${argv/${method}/}" # remove method
35
36			# echo "method=${method}"
37			# echo "caller=${caller}"
38			# echo "class=${class}"
39			# echo "cmd=${cmd}"
40			# echo "argv=${argv}"
41
42			# check if class.cmd exist
43			if [[ ! -z $(typeset -f "${method}"_"${class}"_"${cmd}") ]]
44			then
45			"${method}"_"${class}"_"${cmd}" ${argv}
46			else
47	niro	1639	eecho "unkown method '${method}' . class '${class}' . cmd '${cmd}'"
48	niro	1248	fi
49			else
50			invalid_session
51			fi
52			}
53
54			help_topics()
55			{
56			local i
57			local topics
58
59			topics=$(typeset -f \| grep '^help_' \| sed 's:help_\(.\)\ .():\1:' \| sed 's:_:\.:' \| sort)
60			mecho "Global commands:"
61	niro	1350	mecho "\timport - import settings to database"
62			mecho "\tget - shows current value for a settings"
63			mecho "\tset - sets value for a setting"
64			mecho "\tauth - authenticate to the daemon"
65			mecho "\tprovide - shows provides of a system"
66			mecho "\trequire - verify plugin requirements"
67	niro	1330	mecho "\tnocolors - disable colors, useful for the webclient"
68	niro	1639	mecho "\tquiet - do not print any unecessary messages"
69	niro	1350	mecho "\thelp - shows help"
70			mecho "\tquit - quits the connection to the server"
71	niro	1248	mecho
72			mecho "Help topics:"
73			for i in ${topics}
74			do
75			# excludes
76			case ${i} in
77			help_topics\|topics) continue ;;
78			esac
79
80			mecho "\t${i}"
81			done
82	niro	1264	mecho
83			mecho "Type 'help [topic]' for more information about every topic."
84	niro	1248	}
85
86			# on newer xorg-servers root is not allowed to run progs in a user session
87			x11runas()
88			{
89	niro	1639	if pidof X
90			then
91			su - "${MCORE_UNPRIV_USER}" -c "DISPLAY=${MCORE_XORG_DISPLAY} $@"
92			fi
93	niro	1248	}
94
95			addconfig()
96			{
97	niro	1308	local opts
98
99	niro	1248	if [[ -z ${CONFIG} ]]
100			then
101	niro	1639	eecho "You must define \$CONFIG varibale first!"
102	niro	1248	return 1
103			fi
104
105			if [[ ! -d $(dirname ${CONFIG}) ]]
106			then
107			install -d $(dirname ${CONFIG})
108			fi
109	niro	1308
110			# check for opts
111			case $1 in
112			-n) shift; opts=" -n" ;;
113			-e) shift; opts=" -e" ;;
114			esac
115
116			echo ${opts} "$@" >> ${CONFIG}
117	niro	1248	}
118
119			clearconfig()
120			{
121			if [[ -z ${CONFIG} ]]
122			then
123	niro	1639	eecho "You must define \$CONFIG varibale first!"
124	niro	1248	return 1
125			fi
126
127	niro	1252	if [[ ! -d $(dirname ${CONFIG}) ]]
128			then
129			install -d $(dirname ${CONFIG})
130			fi
131	niro	1248	: > ${CONFIG}
132			}
133
134	niro	1264	# no_duplicate $list $item
135			no_duplicate()
136			{
137			local i
138			local list="$1"
139			local item="$2"
140
141			for i in ${list}
142			do
143			[[ ${i} = ${item} ]] && return 1
144			done
145
146			return 0
147			}
148
149	niro	1248	require()
150			{
151			local requires="$@"
152			local i
153
154			for i in ${requires}
155			do
156	niro	1264	# check for duplicate provides
157			if no_duplicate "${PROVIDE}" "${i}"
158			then
159			export REQUIRE="${REQUIRE} ${i}"
160			else
161	niro	1639	decho "duplicate provide '${i}' detected!"
162	niro	1264	fi
163	niro	1248	done
164			}
165
166	niro	1264	verify_requirements()
167	niro	1248	{
168	niro	1264	local req
169			local prov
170			local missing
171			local sorted
172	niro	1248
173	niro	1264	for req in ${REQUIRE}
174	niro	1248	do
175	niro	1264	# scan PROVIDE for dupes
176			# if a dupe is found, then requirement is fullfilled
177			# else add to missing
178			if no_duplicate "${PROVIDE}" "${req}"
179			then
180			missing="${missing} ${req}"
181			fi
182	niro	1248	done
183
184	niro	1264	# sort them alpabetically
185			sorted=$(for i in ${REQUIRE}; do echo "${i}"; done \| sort)
186
187			# show missing and set the right retval
188			if [[ -z ${missing} ]]
189			then
190	niro	1639	rvecho "${sorted}"
191	niro	1264	return 0
192			else
193			for req in ${sorted}
194			do
195			if no_duplicate "${missing}" "$req"
196			then
197			# print normal
198	niro	1639	rvecho -n " ${req}"
199	niro	1264	else
200			# print missing
201			eecho -n " ${req}"
202			fi
203			done
204			return 1
205			fi
206	niro	1248	}
207
208			provide()
209			{
210			local provides="$@"
211			local i
212
213			for i in ${provides}
214			do
215			# check for duplicate provides
216	niro	1264	if no_duplicate "${PROVIDE}" "${i}"
217	niro	1248	then
218			export PROVIDE="${PROVIDE} ${i}"
219			else
220	niro	1639	decho "duplicate provide '${i}' detected!"
221	niro	1248	fi
222			done
223			}
224
225			print_provide()
226			{
227			local sorted
228
229			# sort them alpabetically
230			sorted=$(for i in ${PROVIDE}; do echo "${i}"; done \| sort)
231			# do not escape, or CRLFS get printed to screen too
232	niro	1639	rvecho ${sorted}
233	niro	1248	}
234
235	niro	1639	# message only echo \| disabled in quiet mode
236	niro	1248	mecho()
237			{
238			local COLCYAN="\033[1;36m"
239			local COLDEFAULT="\033[0m"
240	niro	1264	local opts
241	niro	1308	local webcrlf
242	niro	1264
243	niro	1639	# print nothing if quiet mode was requested
244			[[ ${QUIET} = true ]] && return
245
246	niro	1248	if [[ ${NOCOLORS} = true ]]
247			then
248			COLCYAN=""
249			COLDEFAULT=""
250			fi
251
252	niro	1308	[[ ${WEBCRLF} = true ]] && webcrlf="<br>"
253
254	niro	1264	# respect -n
255			case $1 in
256			-n) shift; opts="n" ;;
257			esac
258
259	niro	1308	echo -e${opts} "${COLCYAN}$@${COLDEFAULT}${webcrlf}"
260	niro	1248	}
261	niro	1264
262	niro	1639	# prints error messages \| enabled even in quiet mode
263	niro	1264	eecho()
264			{
265			local COLRED="\033[1;31m"
266			local COLDEFAULT="\033[0m"
267			local opts
268	niro	1308	local webcrlf
269	niro	1264
270			if [[ ${NOCOLORS} = true ]]
271			then
272			COLRED=""
273			COLDEFAULT=""
274			fi
275
276	niro	1308	[[ ${WEBCRLF} = true ]] && webcrlf="<br>"
277
278	niro	1264	# respect -n
279			case $1 in
280			-n) shift; opts="n" ;;
281			esac
282
283	niro	1308	echo -e${opts} "${COLRED}$@${COLDEFAULT}${webcrlf}"
284	niro	1264	}
285
286	niro	1639	# prints return values of get \| enabled even in quiet mode
287			rvecho()
288			{
289			local COLPURPLE="\033[1;35m"
290			local COLDEFAULT="\033[0m"
291			local opts
292			local webcrlf
293
294			if [[ ${NOCOLORS} = true ]]
295			then
296			COLPURPLE=""
297			COLDEFAULT=""
298			fi
299
300			[[ ${WEBCRLF} = true ]] && webcrlf="<br>"
301
302			# respect -n
303			case $1 in
304			-n) shift; opts="n" ;;
305			esac
306
307			echo -e${opts} "${COLPURPLE}$@${COLDEFAULT}${webcrlf}"
308			}
309
310			# prints debug messages if requested \| enabled even in quiet mode
311			decho()
312			{
313			# print nothing if debug mode was not requested
314			[[ ${DEBUG} != 1 ]] && return
315
316			eecho "DEBUG: ${@}"
317			}
318
319	niro	1264	path_not_empty()
320			{
321			local path="$1"
322	niro	1639	[[ -z ${path} ]] && eecho "path_not_empty(): no path given!" && return 1
323	niro	1264
324			# return ERR if path does not exist
325			[[ ! -d ${path} ]] && return 1
326			# return ERR if path empty
327			[[ -z $(find "${path}" -mindepth 1 -maxdepth 1) ]] && return 1
328
329			# every thing went ok, directory not empty
330			return 0
331			}