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	# $Id$
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}" ${argv}
46	else
47	eecho "unkown method '${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 "\tnocolors - disable colors, useful for the webclient"
68	mecho "\tquiet - do not print any unecessary messages"
69	mecho "\thelp - shows help"
70	mecho "\tquit - quits the connection to the server"
71	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	mecho
83	mecho "Type 'help [topic]' for more information about every topic."
84	}
85
86	# on newer xorg-servers root is not allowed to run progs in a user session
87	x11runas()
88	{
89	if pidof X
90	then
91	su - "${MCORE_UNPRIV_USER}" -c "DISPLAY=${MCORE_XORG_DISPLAY} $@"
92	fi
93	}
94
95	addconfig()
96	{
97	local opts
98
99	if [[ -z ${CONFIG} ]]
100	then
101	eecho "You must define \$CONFIG varibale first!"
102	return 1
103	fi
104
105	if [[ ! -d $(dirname ${CONFIG}) ]]
106	then
107	install -d $(dirname ${CONFIG})
108	fi
109
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	}
118
119	clearconfig()
120	{
121	if [[ -z ${CONFIG} ]]
122	then
123	eecho "You must define \$CONFIG varibale first!"
124	return 1
125	fi
126
127	if [[ ! -d $(dirname ${CONFIG}) ]]
128	then
129	install -d $(dirname ${CONFIG})
130	fi
131	: > ${CONFIG}
132	}
133
134	# 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} = ${item} ]] && return 1
144	done
145
146	return 0
147	}
148
149	require()
150	{
151	local requires="$@"
152	local i
153
154	for i in ${requires}
155	do
156	# check for duplicate provides
157	if no_duplicate "${PROVIDE}" "${i}"
158	then
159	export REQUIRE="${REQUIRE} ${i}"
160	else
161	decho "duplicate provide '${i}' detected!"
162	fi
163	done
164	}
165
166	verify_requirements()
167	{
168	local req
169	local prov
170	local missing
171	local sorted
172
173	for req in ${REQUIRE}
174	do
175	# scan PROVIDE for dupes
176	# if a dupe is found, then requirement is fullfilled
177	# else add to missing
178	if no_duplicate "${PROVIDE}" "${req}"
179	then
180	missing="${missing} ${req}"
181	fi
182	done
183
184	# sort them alpabetically
185	sorted=$(for i in ${REQUIRE}; do echo "${i}"; done \| sort)
186
187	# show missing and set the right retval
188	if [[ -z ${missing} ]]
189	then
190	rvecho "${sorted}"
191	return 0
192	else
193	for req in ${sorted}
194	do
195	if no_duplicate "${missing}" "$req"
196	then
197	# print normal
198	rvecho -n " ${req}"
199	else
200	# print missing
201	eecho -n " ${req}"
202	fi
203	done
204	return 1
205	fi
206	}
207
208	provide()
209	{
210	local provides="$@"
211	local i
212
213	for i in ${provides}
214	do
215	# check for duplicate provides
216	if no_duplicate "${PROVIDE}" "${i}"
217	then
218	export PROVIDE="${PROVIDE} ${i}"
219	else
220	decho "duplicate provide '${i}' detected!"
221	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	rvecho ${sorted}
233	}
234
235	# message only echo \| disabled in quiet mode
236	mecho()
237	{
238	local COLCYAN="\033[1;36m"
239	local COLDEFAULT="\033[0m"
240	local opts
241	local webcrlf
242
243	# print nothing if quiet mode was requested
244	[[ ${QUIET} = true ]] && return
245
246	if [[ ${NOCOLORS} = true ]]
247	then
248	COLCYAN=""
249	COLDEFAULT=""
250	fi
251
252	[[ ${WEBCRLF} = true ]] && webcrlf="<br>"
253
254	# respect -n
255	case $1 in
256	-n) shift; opts="n" ;;
257	esac
258
259	echo -e${opts} "${COLCYAN}$@${COLDEFAULT}${webcrlf}"
260	}
261
262	# prints error messages \| enabled even in quiet mode
263	eecho()
264	{
265	local COLRED="\033[1;31m"
266	local COLDEFAULT="\033[0m"
267	local opts
268	local webcrlf
269
270	if [[ ${NOCOLORS} = true ]]
271	then
272	COLRED=""
273	COLDEFAULT=""
274	fi
275
276	[[ ${WEBCRLF} = true ]] && webcrlf="<br>"
277
278	# respect -n
279	case $1 in
280	-n) shift; opts="n" ;;
281	esac
282
283	echo -e${opts} "${COLRED}$@${COLDEFAULT}${webcrlf}"
284	}
285
286	# 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	path_not_empty()
320	{
321	local path="$1"
322	[[ -z ${path} ]] && eecho "path_not_empty(): no path given!" && return 1
323
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	}