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 "\nocolors - 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	# $Id$
2
3	# # 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
20	# run_class $method $caller $argv1 $argv2 ... $argvN
21	run_class()
22	{
23	local method="$1"
24	local caller="$2"
25	local class
26	local cmd
27	local argv
28
29	if valid_session
30	then
31	class="${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	mecho "\trequire - verify plugin requirements"
67	mecho "\nocolors - disable colors, useful for the webclient"
68	mecho "\thelp - shows help"
69	mecho "\tquit - quits the connection to the server"
70	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	mecho
82	mecho "Type 'help [topic]' for more information about every topic."
83	}
84
85	# on newer xorg-servers root is not allowed to run progs in a user session
86	x11runas()
87	{
88	su - "${MCORE_UNPRIV_USER}" -c "DISPLAY=${MCORE_XORG_DISPLAY} $@"
89	}
90
91	addconfig()
92	{
93	local opts
94
95	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
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	}
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	if [[ ! -d $(dirname ${CONFIG}) ]]
124	then
125	install -d $(dirname ${CONFIG})
126	fi
127	: > ${CONFIG}
128	}
129
130	# 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} = ${item} ]] && return 1
140	done
141
142	return 0
143	}
144
145	require()
146	{
147	local requires="$@"
148	local i
149
150	for i in ${requires}
151	do
152	# check for duplicate provides
153	if no_duplicate "${PROVIDE}" "${i}"
154	then
155	export REQUIRE="${REQUIRE} ${i}"
156	else
157	[[ ${DEBUG} = 1 ]] && echo "duplicate provide '${i}' detected!"
158	fi
159	done
160	}
161
162	verify_requirements()
163	{
164	local req
165	local prov
166	local missing
167	local sorted
168
169	for req in ${REQUIRE}
170	do
171	# scan PROVIDE for dupes
172	# if a dupe is found, then requirement is fullfilled
173	# else add to missing
174	if no_duplicate "${PROVIDE}" "${req}"
175	then
176	missing="${missing} ${req}"
177	fi
178	done
179
180	# sort them alpabetically
181	sorted=$(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 " ${req}"
198	fi
199	done
200	return 1
201	fi
202	}
203
204	provide()
205	{
206	local provides="$@"
207	local i
208
209	for i in ${provides}
210	do
211	# check for duplicate provides
212	if no_duplicate "${PROVIDE}" "${i}"
213	then
214	export PROVIDE="${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	local opts
236	local webcrlf
237
238	if [[ ${NOCOLORS} = true ]]
239	then
240	COLCYAN=""
241	COLDEFAULT=""
242	fi
243
244	[[ ${WEBCRLF} = true ]] && webcrlf="<br>"
245
246	# respect -n
247	case $1 in
248	-n) shift; opts="n" ;;
249	esac
250
251	echo -e${opts} "${COLCYAN}$@${COLDEFAULT}${webcrlf}"
252	}
253
254	eecho()
255	{
256	local COLRED="\033[1;31m"
257	local COLDEFAULT="\033[0m"
258	local opts
259	local webcrlf
260
261	if [[ ${NOCOLORS} = true ]]
262	then
263	COLRED=""
264	COLDEFAULT=""
265	fi
266
267	[[ ${WEBCRLF} = true ]] && webcrlf="<br>"
268
269	# respect -n
270	case $1 in
271	-n) shift; opts="n" ;;
272	esac
273
274	echo -e${opts} "${COLRED}$@${COLDEFAULT}${webcrlf}"
275	}
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	}