art_wifi_third, watchcat

Signed-off-by: JamesonHuang <462430725@qq.com>
This commit is contained in:
JamesonHuang 2015-05-24 17:50:51 +08:00
parent 813f8d93e5
commit a3c0fbb62f
11 changed files with 1098 additions and 3397 deletions

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smart_wifi_code/nwfs.lua Normal file
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--set
function fork_smart_wifi_updown(wnet, close_hour, close_min, open_hour, open_min, week_repeat)
if week_repeat == "non-repeat" then
week_repeat = "0,1,2,3,4,5,6" --"1,2,3,4,5,6,0 is error,可能会误删repeat的数据"
cmd_close = "/sbin/smart_wifi "..close_min.." "..close_hour.." "..week_repeat
cmd_open = "/sbin/smart_wifi "..open_min.." "..open_hour.." "..week_repeat
else
cmd_close = "echo '"..close_min.." "..close_hour.." * * "..week_repeat.." /sbin/wifi down "..wnet..";"
..close_min..close_hour..open_min..open_hour..week_repeat
..">/dev/null 2>/dev/null' >> /etc/crontabs/root; crontab /etc/crontabs/root;"
cmd_open = "echo '"..open_min.." "..open_hour.." * * "..week_repeat.." /sbin/wifi up "..wnet..";"
..close_min..close_hour..open_min..open_hour..week_repeat
..">/dev/null 2>/dev/null' >> /etc/crontabs/root; echo '' >> /etc/crontabs/root; crontab /etc/crontabs/root;"
end
luci.http.write_json(cmd_close)
luci.http.write_json(cmd_open)
exec_cmd_in_sh(cmd_close)
posix.sleep(1)
exec_cmd_in_sh(cmd_open)
end
--stop
function set_smart_wifi_stop(update_flag)
local cmd = "sed -i '/"..update_flag.."/d' /etc/crontabs/root; crontab /etc/crontabs/root"
exec_cmd_in_sh(cmd)
luci.http.write_json(cmd)
end
--function: 定时wifi开关shell形式
--author rh_Jameson
function set_smart_wifi_updown()
--get para
--wnet = luci.http.formvalue("wnet")
--close_hour = luci.http.formvalue("close_hour")
--close_min = luci.http.formvalue("close_min")
--open_hour = luci.http.formvalue("open_hour")
--open_min = luci.http.formvalue("open_min")
--repeat_var_from_http = luci.http.formvalue("repeat_var")
--func = luci.http.formvalue("func")
--test
local wnet = 'mt7628'
local close_hour = "07"
local close_min = "25"
local open_hour = "07"
local open_min = "26"
local repeat_var_from_http = "1111111"
local func = luci.http.formvalue("func")
--para err manage
if string.len(repeat_var_from_http) ~= 7 then
luci.http.write_json("len error")
return
end
--get repeat
local week_repeat = ""
for i = 0, #repeat_var_from_http do
tmp = string.sub(repeat_var_from_http, i, i)
if tmp == "1" then
if i == #repeat_var_from_http then
week_repeat = week_repeat..0
break
end
week_repeat = week_repeat..tostring(i)..","
end
end
if week_repeat == "" then
week_repeat = "non-repeat"
end
--exec
if func == "set" then
fork_smart_wifi_updown(wnet, close_hour, close_min, open_hour, open_min, week_repeat)
elseif func == "stop" or func == "update" then
local update_flag = luci.http.formvalue("flag")
set_smart_wifi_stop(update_flag)
if func == "update" then
posix.sleep(1)
fork_smart_wifi_updown(wnet, close_hour, close_min, open_hour, open_min, week_repeat)
end
end
end

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smart_wifi_code/nwfs.lua~ Normal file
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function set_wifi_up()
--local cmd = "/sbin/wifi up".. wnet
local cmd = "/sbin/wifi up ".. "mt7628"
exec_cmd_in_sh(cmd)
luci.http.write_json("true")
end
function set_wifi_down()
local cmd = "/sbin/wifi down ".."mt7628"
--local cmd = "/sbin/wifi down"..wnet
exec_cmd_in_sh(cmd)
luci.http.write_json("true")
end
--set
function fork_smart_wifi_updown(wnet, close_hour, close_min, open_hour, open_min, week_repeat)
if week_repeat == "non-repeat" then
week_repeat = "0,1,2,3,4,5,6" --"1,2,3,4,5,6,0 is error,可能会误删repeat的数据"
cmd_close = "/sbin/smart_wifi "..close_min.." "..close_hour.." "..week_repeat
cmd_open = "/sbin/smart_wifi "..open_min.." "..open_hour.." "..week_repeat
else
cmd_close = "echo '"..close_min.." "..close_hour.." * * "..week_repeat.." /sbin/wifi down "..wnet..";"
..close_min..close_hour..open_min..open_hour..week_repeat
..">/dev/null 2>/dev/null' >> /etc/crontabs/root; crontab /etc/crontabs/root;"
cmd_open = "echo '"..open_min.." "..open_hour.." * * "..week_repeat.." /sbin/wifi up "..wnet..";"
..close_min..close_hour..open_min..open_hour..week_repeat
..">/dev/null 2>/dev/null' >> /etc/crontabs/root; echo '' >> /etc/crontabs/root; crontab /etc/crontabs/root;"
end
luci.http.write_json(cmd_close)
luci.http.write_json(cmd_open)
exec_cmd_in_sh(cmd_close)
posix.sleep(1)
exec_cmd_in_sh(cmd_open)
end
--stop
function set_smart_wifi_stop(update_flag)
local cmd = "sed -i '/"..update_flag.."/d' /etc/crontabs/root; crontab /etc/crontabs/root"
exec_cmd_in_sh(cmd)
luci.http.write_json(cmd)
end
--function: 定时wifi开关shell形式
--author rh_Jameson
function set_smart_wifi_updown()
--get para
--wnet = luci.http.formvalue("wnet")
--close_hour = luci.http.formvalue("close_hour")
--close_min = luci.http.formvalue("close_min")
--open_hour = luci.http.formvalue("open_hour")
--open_min = luci.http.formvalue("open_min")
--repeat_var_from_http = luci.http.formvalue("repeat_var")
--func = luci.http.formvalue("func")
--test
local wnet = 'mt7628'
local close_hour = "07"
local close_min = "25"
local open_hour = "07"
local open_min = "26"
local repeat_var_from_http = "1111111"
local func = luci.http.formvalue("func")
--para err manage
if string.len(repeat_var_from_http) ~= 7 then
luci.http.write_json("len error")
return
end
--get repeat
local week_repeat = ""
for i = 0, #repeat_var_from_http do
tmp = string.sub(repeat_var_from_http, i, i)
if tmp == "1" then
if i == #repeat_var_from_http then
week_repeat = week_repeat..0
break
end
week_repeat = week_repeat..tostring(i)..","
end
end
if week_repeat == "" then
week_repeat = "non-repeat"
end
--exec
if func == "set" then
fork_smart_wifi_updown(wnet, close_hour, close_min, open_hour, open_min, week_repeat)
elseif func == "stop" or func == "update" then
local update_flag = luci.http.formvalue("flag")
set_smart_wifi_stop(update_flag)
if func == "update" then
posix.sleep(1)
fork_smart_wifi_updown(wnet, close_hour, close_min, open_hour, open_min, week_repeat)
end
end
end

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smart_wifi_code/smart_wifi Executable file
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#!/bin/sh
echo "" >> /etc/crontabs/root;
echo "$1 $2 * * $3 /sbin/wifi down mt7628;sleep 4; sed -i '/$1$2$3/d' /etc/crontabs/root; crontab /etc/crontab/root; $1$2$3 >/dev/null 2>/dev/null " >> /etc/crontabs/root; crontab /etc/crontabs/root;
echo "" >> /etc/crontabs/root;

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smart_wifi_code/test.lua Normal file
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local nwfs = require "meizu.nwfs"
--error
--nwfs.fork_smart_wifi_updown("mt7628", "*", "*", "*", "*", "*")
--set repeat task test
--nwfs.fork_smart_wifi_updown("mt7628", "22", "22", "22", "23", "1,4,5,0")
--posix.sleep(2)
--nwfs.fork_smart_wifi_updown("mt7628", "12", "09", "22", "23", "1,2,3,4,5,6,0")
--stop all task
nwfs.set_smart_wifi_stop("*****")
--set non-repeat task test
--nwfs.fork_smart_wifi_updown("mt7628", "12", "06", "22", "23", "non-repeat")
--posix.sleep(1)
--nwfs.fork_smart_wifi_updown("mt7628", "22", "11", "11", "22", "non-repeat")

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===========================================================
--function: 定时wifi开关
--author rh_Jameson
function smart_wifi_shutdown()
local wnet = 'mt7628.network1'
local table = {}
--get para
--local close_time = luci.http.formvalue("close_time")
--local open_time = luci.http.formvalue("open_time")
--test normal
--local close_time = os.time() + 5
--local restart_time = os.time() + 10
--test exception
local close_time = os.time() - 5
local restart_time = os.time() - 10
--para err manage
if close_time < os.time() or restart_time < close_time then
table["err"] = true
luci.http.write_json(table)
return
end
--do close
while true do
if os.time() ~= close_time then
posix.sleep(1)
else
wifi_shutdown(wnet)
table["close"] = true
luci.http.write_json(table)
break
end
end
--do restart
while true do
if os.time() ~= restart_time then
posix.sleep(1)
else
wifi_reconnect(wnet)
table["restart"] = true
luci.http.write_json(table)
break
end
end
end
============================================================
-----------------------api/index.lua------------------------------
set_smart_wifi_updown = nwfs.set_smart_wifi_updown
set_wifi_up = nwfs.set_wifi_up
set_wifi_down = nwfs.set_wifi_down
set_smart_wifi_update = nwfs.set_smart_wifi_update
set_smart_wifi_stop = nwfs.set_smart_wifi_stop
--rh
page = entry({"api", "wifiUp"}, call("set_wifi_up"), nil)
page.leaf = true
page = entry({"api", "wifiDown"}, call("set_wifi_down"), nil)
page.leaf = true
page = entry({"api", "setSmartWifiUpdate"}, call("set_smart_wifi_update"), nil)
page.leaf = true
page = entry({"api", "setSmartWifiStop"}, call("set_smart_wifi_stop"), nil)
page.leaf = true
page = entry({"api", "setSmartWifiUpdown"}, call("set_smart_wifi_updown"), nil)
page.leaf = true
------------------------meizu/nwfs.lua----------------------------
function set_wifi_up()
--local cmd = "/sbin/wifi up".. wnet
local cmd = "/sbin/wifi up ".. "mt7628"
exec_cmd_in_sh(cmd)
luci.http.write_json("true")
end
function set_wifi_down()
local cmd = "/sbin/wifi down ".."mt7628"
--local cmd = "/sbin/wifi down"..wnet
exec_cmd_in_sh(cmd)
luci.http.write_json("true")
end
function set_smart_wifi_stop()
local pid = luci.http.formvalue("pid")
--exception manage
if(close_time == nil or open_time == nil) then
luci.http.write_json("smart_wifi not set")
return
end
if(pid == nil) then
luci.http.write_json("pid err")
end
--到点关闭前
if os.time() < close_time then
local cmd = "kill "..pid
--到点关闭后,到点启动前
elseif os.time() >= close_time and os.time() <= open_time then
local cmd = "kill "..pid.."; /sbin/wifi up"
--到点启动后
else
luci.http.write_json("smart wifi has finishedcan not stop")
return
end
exec_cmd_in_sh(cmd)
luci.http.write_json("true")
end
function set_smart_wifi_update()
local pid = luci.http.formvalue("pid")
--exception manage
if(close_time == nil or open_time == nil) then
luci.http.write_json("smart_wifi not set")
return
end
if(pid == nil) then
luci.http.write_json("pid err")
end
--到点关闭前
if os.time() < close_time then
local cmd = "kill "..pid
--到点关闭后,到点启动前
elseif os.time() >= close_time and os.time() <= open_time then
local cmd = "kill "..pid.."; /sbin/wifi up"
--到点启动后
end
exec_cmd_in_sh(cmd)
--get para
--close_time = os.time(lucimZhttp.formvalue("close_time"))
--open_time = os.time(luci.http.formvalue("open_time"))
--test normal
close_time = os.time() + 5
restart_time = os.time() + 10
--test exception
--close_time = os.time() - 5
--restart_time = os.time() - 10
set_smart_wifi_updown(close_time, restart_time)
end
function fork_smart_wifi_updown( wnet, close_time, open_time)
local close_interval = close_time - os.time()
local open_interval = open_time - os.time()
local cmd = string.format("sleep 15;/sbin/wifi down "..wnet.."; sleep 15; /sbin/wifi up "..wnet)
return exec_cmd_in_sh(cmd)
--exec_cmd_in_sh(cmd)
end
--function: 定时wifi开关shell形式
--author rh_Jameson
function set_smart_wifi_updown()
local wnet = 'mt7628'
local info = {}
--get para
--close_time = lucimZhttp.formvalue("close_time")
--open_time = luci.http.formvalue("open_time")
--test normal
close_time = os.time() + 5
restart_time = os.time() + 10
--test exception
--close_time = os.time() - 5
--restart_time = os.time() - 10
--para err manage
if close_time < os.time() or restart_time < close_time then
info["SUCCESS"] = false
else
info["SUCCESS"] = true
end
local pid = fork_smart_wifi_updown(wnet, close_time, restart_time)
info["PID"] = pid
luci.http.write_json(info)
end
--重载
function set_smart_wifi_updown(close_time,restart_time)
local wnet = 'mt7628'
local info = {}
--para err manage
if close_time < os.time() or restart_time < close_time then
info["SUCCESS"] = false
else
info["SUCCESS"] = true
end
local pid = fork_smart_wifi_updown(wnet, close_time, restart_time)
info["PID"] = pid
luci.http.write_json(info)
end
-------------------------------bfs.lua--line_92-------------------------------
function exec_cmd_in_sh(command)
local nio = require("nixio")
require "MZLog".log(3, command)
local pid = nio.fork()
if pid > 0 then
return pid
elseif pid == 0 then
nio.chdir("/")
local null = nio.open("/dev/null", "w+")
if null then
nio.dup(null, nio.stderr)
nio.dup(null, nio.stdout)
nio.dup(null, nio.stdin)
if null:fileno() > 2 then
null:close()
end
end
nio.exec("/bin/sh", "-c", command)
end
end
-------------------------UTC-CODE-字符串形式UTC时间转时间戳------------------------
local lue = require("luci.util").exec
local t = lue([[date -d "2010-10-10 10:10:10" +%s]])
print(tonumber(t))
local lue = require("luci.util").exec
--local t = lue('date -d "2010-10-10 10:10:10" +%s')
local t = lue([[date -d "2010-10-10 10:10:10" +%s]])
print(tonumber(t))
print(t)
----------------------------Lua-多线程回调函数实现---------------------------------
--回调
function fork_exec_in_lua(func)
local nio = require("nixio")
-- require "MZLog".log(3, command)
local pid = nio.fork()
if pid > 0 then
print(pid)
return
elseif pid == 0 then
func()
end
end
--主调
local bfs = require("meizu.bfs")
function test()
local i = 1
while(i < 10) do
print(i)
i = i + 1
end
end
bfs.fork_exec_in_lua(test)
----------------------------Lua-函数不可以重载-----------------------------------
--test
function fun()
print("11111")
end
function fun(str)
print(str)
end
fun()
fun("2222")
fun()
--result
nil
2222
nil
----------------------------crontabs & crond------------------------------------
crontab -u //cron服务root用户在执行这个命令的时候需要此参数
crontab -l //cron服务的详细内容
crontab -r //cron服务
crontab -e //cron服务
:
1. crontab -l
crontab任务
2. crontab -d
crontab任务
3. crontab -e (solaris5.8 crontab -r)
crontab任务,ctrl_D结束
4. crontab filename
filename做为crontab的任务列表文件并载入
/**/
crond start //
crond stop //
crond restart //
crond reload //
--openwrt设置/etc/crontabs/root:
* * * * * echo "hello" >> /cron.txt
--每次做修改时使用crontab /etc/crondtabs/root
--crontabs/root文件下写的定时任务是多线程运行不按顺序执行
Sed命令
sed -n '/hello/p' cron.txt hello关键字
sed '/hello/d' cron.txt hello的行
sed -i '/hello/d' cron.txt
--[[non-repeat任务]]--
* * * * * echo "flag non-repeat">> /cron.txt; sed -i '/sed/d' /etc/crontabs/root
--[[repeat任务]]--
--添加定时任务exam
echo "* * * * * date >>/cron.txt">>/etc/crontabs/root;flag >/dev/null 2>/
--删除定时任务exam
sed -i '/hello/d' /etc/crontabs/root
--修改定时任务exam
==================================-TEST================================
echo '* * * * non-repeat /sbin/wifi down mt7628; sed -i "/* * * * non-repeat/d" etc/crontabs/root' >> /etc/crontabs/root; crontab /etc/crontabs/root;
* * * * * /sbin/wifi down mt7628; sed -i '/sed/d' etc/crontabs/root; crontab /etc/crontabs/root;
* * * * * date >>/cron.txt; sed -i '/sed/d' /etc/crontabs/root
--non-repeat任务
echo "$1 $2 * * $3 /sbin/wifi down mt7628;
sleep 4;
sed -i '/$1$2$3/d' /etc/crontabs/root;
crontab /etc/crontab/root;
$1$2$3 >/dev/null 2>/dev/null " >> /etc/crontabs/root; crontab /etc/crontabs/root;
bin cron.txt * * dev /sbin/wifi down mt7628;sleep 4; sed -i '/bincron.txtdev/d' /etc/crontabs/root; crontab /etc/crontab/root; bincron.txtdev >/dev/null 2>/dev/null
--non-repeate任务
if week_repeat == "non-repeat" then
week_repeat = "0,1,2,3,4,5,6"
close_min = "40"
Segmentation fault
cmd = "/sbin/smart@OpenWrt:/usr/lib/lua/meizu# e_hour.." "..week_repeat
else
cmd = "echo '"..close_min.." "..close_hour.." * * "..week_repeat.." /sbin/wifi down "..wnet.."' >> /etc/crontabs/root; crontab /etc/cronta
..close_min..close_hour..open_hour..open_min..week_repeat.." >/dev/null 2>/dev/null"
--cmd = "echo '"..open_min.." "..open_hour.." * * "..week_repeat.." /sbin/wifi up "..wnet.."' >> /etc/crontabs/root; crontab /etc/crontabs
end
luci.http.write_json(cmd)
exec_cmd_in_sh(cmd)
luci.http.write_json(true)
if week_repeat == "non-repeat" then
week_repeat = "*"
cmd_close = "/sbin/smart_wifi "..close_hour.." "..close_min.." "..week_repeat
--cmd_open = "echo '"..close_min.." "..close_hour.." * * "..week_repeat.." /sbin/wifi down "..wnet
-- .."; sed -i '/"..close_min..close_hour..open_hour..open_min..week_repeat
-- .."/d' etc/crontabs/root >> /etc/crontabs/root; crontab /etc/crontabs/root; "
-- ..close_min..close_hour..open_hour..open_min..week_repeat.." >/dev/null 2>/dev/null"
else
cmd_close = "echo '"..close_min.." "..close_hour.." * * "..week_repeat.." /sbin/wifi down "..wnet
.."' >> /etc/crontabs/root; crontab /etc/crontabs/root; "
..close_min..close_hour..open_hour..open_min..week_repeat.." >/dev/null 2>/dev/null"
--cmd_open = "echo '"..open_min.." "..open_hour.." * * "..week_repeat.." /sbin/wifi up "..wnet.."' >> /etc/crontabs/root; crontab /etc/crontabs/root; "..close_min..close_hour..open_hour..open_min..week_repeat.." >/dev/null 2>/dev/null"
end
luci.http.write_json(cmd_close)
--luci.http.write_json(cmd_open)
exec_cmd_in_sh(cmd_close)
--exec_cmd_in_sh(cmd_open)
luci.http.write_json(true)
===============================================================-succeed====================================================
-------------------------./package/base-files/files/sbin/wifi------------------------------------
#!/bin/sh
echo "" >> /etc/crontabs/root;
echo "$1 $2 * * $3 /sbin/wifi down mt7628;sleep 4; sed -i '/$1$2$3/d' /etc/crontabs/root; crontab /etc/crontab/root; $1$2$3 >/dev/null 2>/dev/null " >> /etc/crontabs/root; crontab /etc/crontabs/root;
echo "" >> /etc/crontabs/root;
------------------------------------------------set smart wifi------------------------------------
function fork_smart_wifi_updown(wnet, close_hour, close_min, open_hour, open_min, week_repeat)
if week_repeat == "non-repeat" then
week_repeat = "0,1,2,3,4,5,6" --"1,2,3,4,5,6,0 is error,可能会误删repeat的数据"
cmd_close = "/sbin/smart_wifi "..close_min.." "..close_hour.." "..week_repeat
cmd_open = "/sbin/smart_wifi "..open_min.." "..open_hour.." "..week_repeat
else
cmd_close = "echo '"..close_min.." "..close_hour.." * * "..week_repeat.." /sbin/wifi down "..wnet..";"
..close_min..close_hour..open_min..open_hour..week_repeat
..">/dev/null 2>/dev/null' >> /etc/crontabs/root; crontab /etc/crontabs/root;"
cmd_open = "echo '"..open_min.." "..open_hour.." * * "..week_repeat.." /sbin/wifi up "..wnet..";"
..close_min..close_hour..open_min..open_hour..week_repeat
..">/dev/null 2>/dev/null' >> /etc/crontabs/root; echo '' >> /etc/crontabs/root; crontab /etc/crontabs/root;"
end
luci.http.write_json(cmd_close)
luci.http.write_json(cmd_open)
exec_cmd_in_sh(cmd_close)
posix.sleep(1)
exec_cmd_in_sh(cmd_open)
end
-----------------------------------------------stop smart wifi------------------------------------
function set_smart_wifi_stop(update_flag)
local cmd = "sed -i '/"..update_flag.."/d' /etc/crontabs/root; crontab /etc/crontabs/root"
exec_cmd_in_sh(cmd)
luci.http.write_json(cmd)
end
--------------------------------------------update smart wifi-------------------------------------
--(stop + set) smartwifi
----------------------------------------------smart wifi api--------------------------------------
--function: 定时wifi开关shell形式
--author rh_Jameson
function set_smart_wifi_updown()
--get para
--wnet = luci.http.formvalue("wnet")
--close_hour = luci.http.formvalue("close_hour")
--close_min = luci.http.formvalue("close_min")
--open_hour = luci.http.formvalue("open_hour")
--open_min = luci.http.formvalue("open_min")
--repeat_var_from_http = luci.http.formvalue("repeat_var")
--func = luci.http.formvalue("func")
--test
local wnet = 'mt7628'
local close_hour = "07"
local close_min = "25"
local open_hour = "07"
local open_min = "26"
local repeat_var_from_http = "1111111"
local func = luci.http.formvalue("func")
--para err manage
if string.len(repeat_var_from_http) ~= 7 then
luci.http.write_json("len error")
return
end
--get repeat
local week_repeat = ""
for i = 0, #repeat_var_from_http do
tmp = string.sub(repeat_var_from_http, i, i)
if tmp == "1" then
if i == #repeat_var_from_http then
week_repeat = week_repeat..0
break
end
week_repeat = week_repeat..tostring(i)..","
end
end
if week_repeat == "" then
week_repeat = "non-repeat"
end
--exec
if func == "set" then
fork_smart_wifi_updown(wnet, close_hour, close_min, open_hour, open_min, week_repeat)
elseif func == "stop" or func == "update" then
local update_flag = luci.http.formvalue("flag")
set_smart_wifi_stop(update_flag)
if func == "update" then
posix.sleep(1)
fork_smart_wifi_updown(wnet, close_hour, close_min, open_hour, open_min, week_repeat)
end
end
end

3397
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/*************************************************************************
> File Name: socket_client.cpp
> Description:
> Conclusion:
> Author: rh_Jameson
> Created Time: 20150521 161958
************************************************************************/
#include<stdio.h>
#include<stdlib.h>
#include<unistd.h>
#include<string.h>
#include<sys/socket.h>
#include<arpa/inet.h>
#include<netinet/in.h>
#include<sys/types.h>
#include<netdb.h>
#include <sys/ioctl.h>
#include <net/if.h>
/**
广
**/
#define IP_FOUND "sysinfo"
#define IP_FOUND_ACK "IP_FOUND_ACK"
#define IFNAME "wlan2"
#define MCAST_PORT 51232
int main(int argc,char*argv[]){
int ret=-1;
int sock=-1;
int so_broadcast=1;
struct ifreq ifr;
struct sockaddr_in broadcast_addr;//广播地址
struct sockaddr_in from_addr;//服务端地址
socklen_t from_len=sizeof(from_addr);
int count=-1;
fd_set readfd;//读文件描述符集合
char buffer[1024];
struct timeval timeout;
timeout.tv_sec=2;//超时时间为2秒
timeout.tv_usec=0;
sock=socket(AF_INET,SOCK_DGRAM,0);//建立数据报套接字
if(sock<0){
printf("HandleIPFound:sock init error\n");
return 0;
}
//将使用的网络接口名字复制到ifr.ifr_name中由于不同的网卡接口的广播地址是不一样的因此指定网卡接口
strncpy(ifr.ifr_name,IFNAME,strlen(IFNAME));
//发送命令,获得网络接口的广播地址
if(ioctl(sock,SIOCGIFBRDADDR,&ifr)==-1){
perror("ioctl error");
return 0;
}
//将获得的广播地址复制到broadcast_addr
memcpy(&broadcast_addr,&ifr.ifr_broadaddr,sizeof(struct sockaddr_in));
//设置广播端口号
//inet_aton("255.255.255.255", &broadcast_addr.sin_addr);
printf("broadcast IP is:%s\n",inet_ntoa(broadcast_addr.sin_addr));
broadcast_addr.sin_family=AF_INET;
broadcast_addr.sin_port=htons(MCAST_PORT);
//默认的套接字描述符sock是不支持广播必须设置套接字描述符以支持广播
ret=setsockopt(sock,SOL_SOCKET,SO_BROADCAST,&so_broadcast,sizeof(so_broadcast));
//发送多次广播,看网络上是否有服务器存在
int times=10;
int i=0;
for(i = 0; i < times; i++){//一共发送10次广播每次等待2秒是否有回应
//广播发送服务器地址请求
timeout.tv_sec = 2;//超时时间为2秒
timeout.tv_usec = 0;
ret=sendto(sock,IP_FOUND, strlen(IP_FOUND), 0, (struct sockaddr*)&broadcast_addr, sizeof(broadcast_addr));
if(ret == -1){
continue;
}
//文件描述符清0
FD_ZERO(&readfd);
//将套接字文件描述符加入到文件描述符集合中
FD_SET(sock,&readfd);
//select侦听是否有数据到来
ret=select(sock+1,&readfd,NULL,NULL,&timeout);
switch(ret){
case -1:
break;
case 0:
printf("timeout\n");
break;
default:
//接收到数据
if(FD_ISSET(sock,&readfd)){
count = recvfrom(sock, buffer, 1024, 0, (struct sockaddr*)&from_addr,&from_len);//from_addr为服务器端地址
printf("recvmsg is %s\n", buffer);
if(strstr(buffer, IP_FOUND_ACK)){
printf("found server IP is:%s\n",inet_ntoa(from_addr.sin_addr));
//服务器端的发送端口号
printf("Server Port:%d\n",htons(from_addr.sin_port));
}
return 0;
}
break;
}
}
return 0;
}

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/*
* "
* UDP BS INFO Server
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
static char* pcmdurl = "wget http://127.0.0.1/cgi-bin/luci/bs/info -q -O -";
int read_sysinfo(char* filebuf, int filebuf_len)
{
FILE * fstr = NULL;
int ret;
int haveread = 0;
fstr = popen(pcmdurl, "rb");
if (fstr == NULL) {
printf("popen fail");
return 0;
}
while (filebuf_len > 0) {
ret = fread(filebuf + haveread, 1, filebuf_len, fstr);
if(ret <= 0)
break;
haveread += ret;
filebuf_len -= ret;
}
printf("READ:******\n%s", filebuf);
pclose(fstr);
return 0;
}
int main(int argc ,char * argv[])
{
int sock_fd;
socklen_t addr_len;
struct sockaddr_in addr;
struct sockaddr_in client_addr ;
unsigned short port = 51232;
char buf[1024];
int len ;
if(argc > 1) {
port = (unsigned short)atoi(argv[1]);
}
sock_fd = socket(PF_INET,SOCK_DGRAM,0);
int on = 1;
setsockopt(sock_fd, SOL_SOCKET, SO_BROADCAST, &on, sizeof(on));
if (sock_fd == -1) {
perror("socket");
return -1;
}
memset(&addr,0,sizeof(addr));
addr.sin_port = htons(port);
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = INADDR_ANY;
if (bind(sock_fd,(const struct sockaddr *)&addr,sizeof(addr)) == -1) {
perror("bind");
close(sock_fd);
return -2;
}
printf("UDP Echo Server listen on %d\n", port);
while(1) {
int filebuf_len = 2048;
char *filebuf = (char *)calloc(filebuf_len, sizeof(char));
if (filebuf == NULL) {
perror("molloc fail");
continue;
}
memset(&client_addr,0,sizeof(client_addr));
memset(buf, 0x00, sizeof(buf));
client_addr.sin_family = AF_INET;
addr_len = sizeof(client_addr);
len = recvfrom(sock_fd, buf, sizeof(buf), 0, (struct sockaddr *)&client_addr, &addr_len);
if ((len <=0) || (strncmp(buf, "sysinfo", sizeof("sysinfo")-1) != 0)) {
sleep(1);
continue;
}
buf[len] = 0;
printf("client addr %s ,port %d,buf %s\n",inet_ntoa(client_addr.sin_addr),ntohs(client_addr.sin_port),buf);
read_sysinfo(filebuf, filebuf_len);
sendto(sock_fd,filebuf,strlen(filebuf)+1,0,(struct sockaddr *)&client_addr,addr_len);
free(filebuf);
}
close(sock_fd);
return 0;
}

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/*
* UDP BS INFO Server
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
char* pcmdurl = "wget http://127.0.0.1/cgi-bin/luci/bs/info -q -O -";
//char filebuf[2048];
int PipeReadBsInfo(char* filebuf)
{
printf("pipe test\n");
FILE * fstr = NULL;
int ret;
int haveread = 0;
fstr = popen(pcmdurl, "rb");
if(fstr == NULL){
printf("popen fail");
return 0;
}
while(1){
ret = fread(filebuf + haveread, 1, 1024, fstr);
if(ret <= 0)
break;
haveread += ret;
}
printf("READ:******%d chars\n", haveread);
printf("READ:%s\n", filebuf);
pclose(fstr);
}
int main(int argc ,char * argv[])
{
unsigned short port = 51232;
int sock_fd;
struct sockaddr_in addr;
struct sockaddr_in client_addr ;
socklen_t addr_len;
char buf[1024];
int len ;
perror("init test1\n");
printf("init test2\n");
if(argc >1)
{
port = (unsigned short)atoi(argv[1]);
}
sock_fd = socket(PF_INET,SOCK_DGRAM,0);
//set broadcast
int on = 1;
setsockopt(sock_fd, SOL_SOCKET, SO_BROADCAST, &on, sizeof(on));
if(sock_fd == -1)
{
perror("socket");
return -1;
}
memset(&addr,0,sizeof(addr));
addr.sin_port = htons(port);
addr.sin_family = AF_INET;
//addr.sin_addr.s_addr = inet_addr("0.0.0.0");
//INADDR_ANY = 0 = inet_addr("0.0.0.0")
addr.sin_addr.s_addr = INADDR_ANY;
if(bind(sock_fd,(const struct sockaddr *)&addr,sizeof(addr)) == -1)
{
perror("bind");
close(sock_fd);
return -2;
}
//fprintf(stdout,"UDP Echo Server listen on %d\n",port);
printf("init test33\n");
printf("UDP Echo Server listen on %d\n", port);
printf("init test34\n");
while(1)
{
//code change
char *filebuf = (char *)malloc(2048 * sizeof(char));
if(filebuf == NULL)
{
//printf("molloc fail");
perror("molloc fail");
return 0;
}
memset(filebuf, 0x00, sizeof(filebuf));
memset(&client_addr,0,sizeof(client_addr));
memset(buf, 0x00, sizeof(buf));
client_addr.sin_family = AF_INET;
addr_len = sizeof(client_addr);
//len = recvfrom(sock_fd,buf,sizeof(buf),0,NULL,NULL);
printf("while test1\n");
len = recvfrom(sock_fd,buf,sizeof(buf),0,(struct sockaddr *)&client_addr,&addr_len);
printf("recv test\n");
//if(len <= 0){
printf("while test1 %s\n", buf);
if((len <=0) || (strncmp(buf, "sysinfo", sizeof("sysinfo")-1) != 0)){
//sleep(1);
printf("%d\n", len);
printf("%d\n", (strncmp(buf, "sysinfo", sizeof("sysinfo")-1)));
continue;
}
printf("recvfrom test2\n");
buf[len] = 0;
printf("client addr %s ,port %d,buf %s\n",inet_ntoa(client_addr.sin_addr),ntohs(client_addr.sin_port),buf);
//ReadBsInfo();
/*
*if(strlen(filebuf) == 0){
* PipeReadBsInfo();
*}
*/
printf("send begin test\n");
PipeReadBsInfo(filebuf);
printf("%s %d : %s\n", __func__, __LINE__, filebuf);
sendto(sock_fd,filebuf,strlen(filebuf)+1,0,(struct sockaddr *)&client_addr,addr_len);
printf("send over test\n");
free(filebuf);
}
close(sock_fd);
printf("close test\n");
}