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}" ${argv}
		else
 			echo "unkown method '${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 "\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()
{
	su - "${MCORE_UNPRIV_USER}" -c "DISPLAY=${MCORE_XORG_DISPLAY} $@"
}

addconfig()
{
	local opts

	if [[ -z ${CONFIG} ]]
	then
		echo "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
		echo "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
			[[ ${DEBUG} = 1 ]] && echo "duplicate provide '${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 ${missing} ]]
	then
		mecho "${sorted}"
		return 0
	else
		for req in ${sorted}
		do
			if no_duplicate "${missing}" "$req"
			then
				# print normal
				mecho -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
			[[ ${DEBUG} = 1 ]] && echo "duplicate provide '${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
	mecho ${sorted}	
}

mecho()
{
	local COLCYAN="\033[1;36m"
	local COLDEFAULT="\033[0m"
	local opts
	local webcrlf

	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}"
}

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}"
}

path_not_empty()
{
	local path="$1"
	[[ -z ${path} ]] && "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}" ${argv}
46			else
47			echo "unkown method '${method}' . class '${class}' . cmd '${cmd}'"
48			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			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	niro	1308	mecho "\trequire - verify plugin requirements"
67	niro	1330	mecho "\tnocolors - disable colors, useful for the webclient"
68	niro	1248	mecho "\thelp - shows help"
69	niro	1264	mecho "\tquit - quits the connection to the server"
70	niro	1248	mecho
71			mecho "Help topics:"
72			for i in ${topics}
73			do
74			# excludes
75			case ${i} in
76			help_topics\|topics) continue ;;
77			esac
78
79			mecho "\t${i}"
80			done
81	niro	1264	mecho
82			mecho "Type 'help [topic]' for more information about every topic."
83	niro	1248	}
84
85			# on newer xorg-servers root is not allowed to run progs in a user session
86			x11runas()
87			{
88	niro	1264	su - "${MCORE_UNPRIV_USER}" -c "DISPLAY=${MCORE_XORG_DISPLAY} $@"
89	niro	1248	}
90
91			addconfig()
92			{
93	niro	1308	local opts
94
95	niro	1248	if [[ -z ${CONFIG} ]]
96			then
97			echo "You must define \$CONFIG varibale first!"
98			return 1
99			fi
100
101			if [[ ! -d $(dirname ${CONFIG}) ]]
102			then
103			install -d $(dirname ${CONFIG})
104			fi
105	niro	1308
106			# check for opts
107			case $1 in
108			-n) shift; opts=" -n" ;;
109			-e) shift; opts=" -e" ;;
110			esac
111
112			echo ${opts} "$@" >> ${CONFIG}
113	niro	1248	}
114
115			clearconfig()
116			{
117			if [[ -z ${CONFIG} ]]
118			then
119			echo "You must define \$CONFIG varibale first!"
120			return 1
121			fi
122
123	niro	1252	if [[ ! -d $(dirname ${CONFIG}) ]]
124			then
125			install -d $(dirname ${CONFIG})
126			fi
127	niro	1248	: > ${CONFIG}
128			}
129
130	niro	1264	# no_duplicate $list $item
131			no_duplicate()
132			{
133			local i
134			local list="$1"
135			local item="$2"
136
137			for i in ${list}
138			do
139			[[ ${i} = ${item} ]] && return 1
140			done
141
142			return 0
143			}
144
145	niro	1248	require()
146			{
147			local requires="$@"
148			local i
149
150			for i in ${requires}
151			do
152	niro	1264	# check for duplicate provides
153			if no_duplicate "${PROVIDE}" "${i}"
154			then
155			export REQUIRE="${REQUIRE} ${i}"
156			else
157			[[ ${DEBUG} = 1 ]] && echo "duplicate provide '${i}' detected!"
158			fi
159	niro	1248	done
160			}
161
162	niro	1264	verify_requirements()
163	niro	1248	{
164	niro	1264	local req
165			local prov
166			local missing
167			local sorted
168	niro	1248
169	niro	1264	for req in ${REQUIRE}
170	niro	1248	do
171	niro	1264	# scan PROVIDE for dupes
172			# if a dupe is found, then requirement is fullfilled
173			# else add to missing
174			if no_duplicate "${PROVIDE}" "${req}"
175			then
176			missing="${missing} ${req}"
177			fi
178	niro	1248	done
179
180	niro	1264	# sort them alpabetically
181			sorted=$(for i in ${REQUIRE}; do echo "${i}"; done \| sort)
182
183			# show missing and set the right retval
184			if [[ -z ${missing} ]]
185			then
186			mecho "${sorted}"
187			return 0
188			else
189			for req in ${sorted}
190			do
191			if no_duplicate "${missing}" "$req"
192			then
193			# print normal
194			mecho -n " ${req}"
195			else
196			# print missing
197			eecho -n " ${req}"
198			fi
199			done
200			return 1
201			fi
202	niro	1248	}
203
204			provide()
205			{
206			local provides="$@"
207			local i
208
209			for i in ${provides}
210			do
211			# check for duplicate provides
212	niro	1264	if no_duplicate "${PROVIDE}" "${i}"
213	niro	1248	then
214			export PROVIDE="${PROVIDE} ${i}"
215			else
216			[[ ${DEBUG} = 1 ]] && echo "duplicate provide '${i}' detected!"
217			fi
218			done
219			}
220
221			print_provide()
222			{
223			local sorted
224
225			# sort them alpabetically
226			sorted=$(for i in ${PROVIDE}; do echo "${i}"; done \| sort)
227			# do not escape, or CRLFS get printed to screen too
228			mecho ${sorted}
229			}
230
231			mecho()
232			{
233			local COLCYAN="\033[1;36m"
234			local COLDEFAULT="\033[0m"
235	niro	1264	local opts
236	niro	1308	local webcrlf
237	niro	1264
238	niro	1248	if [[ ${NOCOLORS} = true ]]
239			then
240			COLCYAN=""
241			COLDEFAULT=""
242			fi
243
244	niro	1308	[[ ${WEBCRLF} = true ]] && webcrlf="<br>"
245
246	niro	1264	# respect -n
247			case $1 in
248			-n) shift; opts="n" ;;
249			esac
250
251	niro	1308	echo -e${opts} "${COLCYAN}$@${COLDEFAULT}${webcrlf}"
252	niro	1248	}
253	niro	1264
254			eecho()
255			{
256			local COLRED="\033[1;31m"
257			local COLDEFAULT="\033[0m"
258			local opts
259	niro	1308	local webcrlf
260	niro	1264
261			if [[ ${NOCOLORS} = true ]]
262			then
263			COLRED=""
264			COLDEFAULT=""
265			fi
266
267	niro	1308	[[ ${WEBCRLF} = true ]] && webcrlf="<br>"
268
269	niro	1264	# respect -n
270			case $1 in
271			-n) shift; opts="n" ;;
272			esac
273
274	niro	1308	echo -e${opts} "${COLRED}$@${COLDEFAULT}${webcrlf}"
275	niro	1264	}
276
277			path_not_empty()
278			{
279			local path="$1"
280			[[ -z ${path} ]] && "path_not_empty(): no path given!" && return 1
281
282			# return ERR if path does not exist
283			[[ ! -d ${path} ]] && return 1
284			# return ERR if path empty
285			[[ -z $(find "${path}" -mindepth 1 -maxdepth 1) ]] && return 1
286
287			# every thing went ok, directory not empty
288			return 0
289			}