我的openwrt学习笔记（三十三）：Openwrt 之lua 在ubuntu中的测试

jack

       Lua 是一个小巧的脚本语言。是巴西里约热内卢天主教大学（Pontifical Catholic University of Rio de Janeiro）里的一个研究小组，由Roberto Ierusalimschy、WaldemarCeles 和 Luiz Henrique de Figueiredo所组成并于1993年开发。其设计目的是为了嵌入应用程序中，从而为应用程序提供灵活的扩展和定制功能。Lua由标准C编写而成，几乎在所有操作系统和平台上都可以编译，运行。Lua并没有提供强大的库，这是由它的定位决定的。所以Lua不适合作为开发独立应用程序的语言。Lua 有一个同时进行的JIT项目，提供在特定平台上的即时编译功能。

编译

1. linux@ubuntu:~/linux_c/lua/lua-5.1.5$ make linux
   
2. cd src && make linux
   
3. make[1]: Entering directory `/home/linux/linux_c/lua/lua-5.1.5/src'
   
4. make all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-Wl,-E -ldl -lreadline -lhistory -lncurses"
   
5. make[2]: Entering directory `/home/linux/linux_c/lua/lua-5.1.5/src'
   
6. gcc -o lua  lua.o liblua.a -lm -Wl,-E -ldl -lreadline -lhistory -lncurses
   
7. /usr/bin/ld: cannot find -lreadline
   
8. /usr/bin/ld: cannot find -lhistory
   
9. collect2: ld returned 1 exit status
   
10. make[2]: *** [lua] Error 1
    
11. make[2]: Leaving directory `/home/linux/linux_c/lua/lua-5.1.5/src'
    
12. make[1]: *** [linux] Error 2
    
13. make[1]: Leaving directory `/home/linux/linux_c/lua/lua-5.1.5/src'
    
14. make: *** [linux] Error 2
    
15. linux@ubuntu:~/linux_c/lua/lua-5.1.5$ ldconfig -p ｜ grep readline
    
16. /sbin/ldconfig.real: relative path `｜' used to build cache
    
17. 
    
18. linux@ubuntu:~/linux_c/lua/lua-5.1.5$sudo apt-get install libreadline5
    
19. linux@ubuntu:~/linux_c/lua/lua-5.1.5$ sudo apt-get install libreadline-dev
    
20. Reading package lists... Done
    
21. Building dependency tree      
    
22. Reading state information... Done
    
23. The following extra packages will be installed:
    
24.   libreadline6-dev
    
25. The following NEW packages will be installed:
    
26.   libreadline-dev libreadline6-dev
    
27. 0 upgraded, 2 newly installed, 0 to remove and 623 not upgraded.
    
28. Need to get 250 kB of archives.
    
29. After this operation, 637 kB of additional disk space will be used.
    
30. Do you want to continue [Y/n]? y
    
31. Get:1 http://cn.archive.ubuntu.com/ubuntu/ precise/main libreadline6-dev i386 6.2-8 [249 kB]
    
32. Get:2 http://cn.archive.ubuntu.com/ubuntu/ precise/main libreadline-dev i386 6.2-8 [932 B]
    
33. Fetched 250 kB in 0s (975 kB/s)     
    
34. Selecting previously unselected package libreadline6-dev.
    
35. (Reading database ... 149096 files and directories currently installed.)
    
36. Unpacking libreadline6-dev (from .../libreadline6-dev_6.2-8_i386.deb) ...
    
37. Selecting previously unselected package libreadline-dev.
    
38. Unpacking libreadline-dev (from .../libreadline-dev_6.2-8_i386.deb) ...
    
39. Processing triggers for install-info ...
    
40. Setting up libreadline6-dev (6.2-8) ...
    
41. Setting up libreadline-dev (6.2-8) ...
    
42. 
    
43. linux@ubuntu:~/linux_c/lua/lua-5.1.5$ make linux
    
44. cd src && make linux
    
45. make[1]: Entering directory `/home/linux/linux_c/lua/lua-5.1.5/src'
    
46. make all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-Wl,-E -ldl -lreadline -lhistory -lncurses"
    
47. make[2]: Entering directory `/home/linux/linux_c/lua/lua-5.1.5/src'
    
48. gcc -o lua  lua.o liblua.a -lm -Wl,-E -ldl -lreadline -lhistory -lncurses
    
49. gcc -O2 -Wall -DLUA_USE_LINUX   -c -o luac.o luac.c
    
50. gcc -O2 -Wall -DLUA_USE_LINUX   -c -o print.o print.c
    
51. gcc -o luac  luac.o print.o liblua.a -lm -Wl,-E -ldl -lreadline -lhistory -lncurses
    
52. make[2]: Leaving directory `/home/linux/linux_c/lua/lua-5.1.5/src'
    
53. make[1]: Leaving directory `/home/linux/linux_c/lua/lua-5.1.5/src'

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安装

1. linux@ubuntu:~/linux_c/lua/lua-5.1.5$ sudo make install
   
2. cd src && mkdir -p /usr/local/bin /usr/local/include /usr/local/lib /usr/local/man/man1 /usr/local/share/lua/5.1 /usr/local/lib/lua/5.1
   
3. cd src && install -p -m 0755 lua luac /usr/local/bin
   
4. cd src && install -p -m 0644 lua.h luaconf.h lualib.h lauxlib.h ../etc/lua.hpp /usr/local/include
   
5. cd src && install -p -m 0644 liblua.a /usr/local/lib
   
6. cd doc && install -p -m 0644 lua.1 luac.1 /usr/local/man/man1
   
7. linux@ubuntu:~/linux_c/lua/lua-5.1.5$ which lua
   
8. /usr/local/bin/lua
   
9. linux@ubuntu:~/linux_c/lua/lua-5.1.5$ which luac
   
10. /usr/local/bin/luac
    
11. 测试是否安装成功
    
12. linux@ubuntu:~/linux_c/lua/lua-5.1.5$ lua
    
13. Lua 5.1.5  Copyright (C) 1994-2012 Lua.org, PUC-Rio
    
14. >
    
15. 或
    
16. linux@ubuntu:~/linux_c/lua/lua-5.1.5$ lua -v
    
17. Lua 5.1.5  Copyright (C) 1994-2012 Lua.org, PUC-Rio
    

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1. 例子1：
   
2. #!/usr/bin/lua
   
3. --hello world lua program
   
4. print ("Hello World!")
   
5. 
   
6. linux@ubuntu:~/linux_c/lua/lua-5.1.5/luca_study$ lua test1.lua
   
7. Hello World!
   
8. 
   
9. 改进
   
10. ..是lua中字符串的连接符，为了规范，使用的时候前后必须
    
11. 有空格，例如:print(10 .. 20) --> 1020
    
12. #!/usr/bin/lua
    
13. --hello world lua program
    
14. print ("Hello World!")
    
15. 
    
16. 
    
17. str = "Hello World!"
    
18. print (str)
    
19. 
    
20. if str == "Hello World!" then
    
21. print "ok"
    
22. end
    
23. ~
    
24. linux@ubuntu:~/linux_c/lua/lua-5.1.5/luca_study$ lua test1.lua
    
25. Hello World!
    
26. Hello World!
    
27. Ok
    
28. 
    
29. Lua教程http://tech.it168.com/zt/lua/

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1. 例子三：CPP调用LUA
   
2. testcpp.cpp
   
3. #include <stdio.h>
   
4. #include <iostream>
   
5. extern "C"
   
6. {
   
7.    #include "lua.h"
   
8.    #include "lualib.h"
   
9.    #include "lauxlib.h"
   
10. }//在工具中包含文件的那个~~
    
11. /* Lua解释器指针 */
    
12. lua_State * L;
    
13. //#pragma comment(lib,"lua51.lib")//包含库文件~~在工具里包含不进来，上面的包含不进来的处理办法是：
    
14. //把lua51.dll 拷到项目的dubug目录下，把lua51.lib拷到项目目录的项目名的文件夹下
    
15. int main ()
    
16. {
    
17. //cout<<"cpp invoke lua example";
    
18. printf("cpp invoke lua example\n");
    
19. /* 初始化Lua */
    
20. L = lua_open();
    
21. /* 载入Lua基本库 */
    
22. luaL_openlibs(L);
    
23. /* 运行脚本 ,注意路径*/
    
24. luaL_dofile(L, "./test1.lua");
    
25. /* 清除Lua */
    
26. lua_close(L);
    
27. //printf( "Press enter to exit…" );
    
28. //getchar();
    
29. return 0;
    
30. }
    
31. C++中调用LUA
    
32. linux@ubuntu:~/linux_c/lua/lua-5.1.5/luca_study$ g++ -g testcpp.cpp -llua -lm -ldl
    
33. linux@ubuntu:~/linux_c/lua/lua-5.1.5/luca_study$ ./a.out
    
34. cpp invoke lua example
    
35. Hello World!
    
36. Hello world, from Lua 5.1!
    
37. Hello World!
    
38. ok
    
39. This a string.
    
40. true false
    
41. false          true
    
42. 119
    
43. 
    
44. 
    
45. linux@ubuntu:~/linux_c/lua/lua-5.1.5/luca_study$ cat /usr/local/include/lua.hpp
    
46. // lua.hpp
    
47. // Lua header files for C++
    
48. // <<extern "C">> not supplied automatically because Lua also compiles as C++
    
49. 
    
50. extern "C" {
    
51. #include "lua.h"
    
52. #include "lualib.h"
    
53. #include "lauxlib.h"
    
54. }
    
55. 在C++中引用C语言中的函数和变量，在包含C语言头文件（假设为cExample.h）时，需进行下列处理：
    
56. extern "C"
    
57. {
    
58. #include "cExample.h"
    
59. }
    
60. 所以上述CPP文件extern "C"
    
61. {
    
62.    #include "lua.h"
    
63.    #include "lualib.h"
    
64.    #include "lauxlib.h"
    
65. }//在工具中包含文件的那个~~
    
66. 可以替换为
    
67. #include "lua.hpp"<span style="font-family: Tahoma; background-color: rgb(255, 255, 255);"> </span>

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      Openwrt 之uci 在ubuntu中的测试

UCI是Unified Configuration Interface的缩写，翻译成中文就是统一配置接口，用途就是为OpenWrt提供一个集中控制的接口。OpenWrt实现的这个工具，能够让你的不管是Lua还是PHP程序，或者SHELL程序或C程序，只要执行命令传输参数就能达到修改系统参数的目的.

Uci 在ubuntu下的使用.

       UCI的配置文件被分割成/etc/config下的多个独立的文件，各个文件按名字含义对应系统的不同的功能配置。你可以通过文本编译器或者uci实用程序去修改这些配置文件，同时uci还提供了C语言/脚本/Lua等语言的应用程序接口，WEB配置页面例如Luci就是利用了uci所提供的API而实现对UCI配置文件的修改的。

      不管你是采用文本编辑器还是通过命令行的方式修改了UCI配置文件，相应的服务或应用程序不会自动更新状态，这时你都必须调用一次/etc/init.d (re)start才能使刚刚对UCI配置文件的修改生效。许多兼容UCI的程序采用这样的方法来应用更新：在init.d脚本执行流中去修改自己程序的配置文件。具体说来，init.d脚本先去修改自己程序的原配置文件中的信息（如/etc/samba/smb.conf），之后重启一次应用程序，应用程序就会去读自己的配置文件（刚刚被init.d更新过的）再启动，这样应用程序的状态就更新了。仅仅重启应用程序，而不执行init.d脚本的话，/etc/config下的UCI配置文件是不会应用于应用程序的，新配置也就不生效了。

1. linux@ubuntu:~/linux_c/uci$ ls -l
   
2. total 56
   
3. drwxr-xr-x 5 linux linux  4096 Jul 21 09:31 uci-2014-04-11.1
   
4. -rw-rw-r-- 1 linux linux 50065 Sep 14 19:25 uci-2014-04-11.1.tar.gz
   
5. linux@ubuntu:~/linux_c/uci$ cd uci-2014-04-11.1/
   
6. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1$ ls -l
   
7. total 196
   
8. -rw-r--r-- 1 linux linux  4864 Jul 21 09:31 blob.c
   
9. -rw-r--r-- 1 linux linux 14589 Jul 21 09:31 cli.c
   
10. -rw-r--r-- 1 linux linux  1013 Jul 21 09:31 CMakeLists.txt
    
11. -rw-r--r-- 1 linux linux 10991 Jul 21 09:31 delta.c
    
12. -rw-r--r-- 1 linux linux 19524 Jul 21 09:31 file.c
    
13. -rw-r--r-- 1 linux linux  5290 Jul 21 09:31 libuci.c
    
14. -rw-r--r-- 1 linux linux 16379 Jul 21 09:31 list.c
    
15. -rw-r--r-- 1 linux linux 17600 Jul 21 09:31 list.h
    
16. drwxr-xr-x 2 linux linux  4096 Jul 21 09:31 lua
    
17. -rw-r--r-- 1 linux linux  2587 Jul 21 09:31 parse.c
    
18. drwxr-xr-x 2 linux linux  4096 Jul 21 09:31 sh
    
19. drwxr-xr-x 6 linux linux  4096 Jul 21 09:31 test
    
20. -rw-r--r-- 1 linux linux  1299 Jul 21 09:31 uci_blob.h
    
21. -rw-r--r-- 1 linux linux    59 Jul 21 09:31 uci_config.h.in
    
22. -rw-r--r-- 1 linux linux 17605 Jul 21 09:31 uci.h
    
23. -rw-r--r-- 1 linux linux  7220 Jul 21 09:31 uci_internal.h
    
24. -rw-r--r-- 1 linux linux 19146 Jul 21 09:31 ucimap.c
    
25. -rw-r--r-- 1 linux linux  9118 Jul 21 09:31 ucimap.h
    
26. -rw-r--r-- 1 linux linux  5109 Jul 21 09:31 util.c
    
27. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1$ cmake .
    
28. -- The C compiler identification is GNU
    
29. -- Check for working C compiler: /usr/bin/gcc
    
30. -- Check for working C compiler: /usr/bin/gcc -- works
    
31. -- Detecting C compiler ABI info
    
32. -- Detecting C compiler ABI info - done
    
33. -- Configuring done
    
34. -- Generating done
    
35. -- Build files have been written to: /home/linux/linux_c/uci/uci-2014-04-11.1
    
36. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1$ make
    
37. Scanning dependencies of target uci
    
38. [ 11%] Building C object CMakeFiles/uci.dir/libuci.c.o
    
39. [ 22%] Building C object CMakeFiles/uci.dir/file.c.o
    
40. [ 33%] Building C object CMakeFiles/uci.dir/util.c.o
    
41. [ 44%] Building C object CMakeFiles/uci.dir/delta.c.o
    
42. [ 55%] Building C object CMakeFiles/uci.dir/parse.c.o
    
43. [ 66%] Building C object CMakeFiles/uci.dir/blob.c.o
    
44. Linking C shared library libuci.so
    
45. [ 66%] Built target uci
    
46. Scanning dependencies of target cli
    
47. [ 77%] Building C object CMakeFiles/cli.dir/cli.c.o
    
48. Linking C executable uci
    
49. [ 77%] Built target cli
    
50. Scanning dependencies of target ucimap
    
51. [ 88%] Building C object CMakeFiles/ucimap.dir/ucimap.c.o
    
52. Linking C static library libucimap.a
    
53. [ 88%] Built target ucimap
    
54. Scanning dependencies of target uci_lua
    
55. [100%] Building C object lua/CMakeFiles/uci_lua.dir/uci.c.o
    
56. Linking C shared module uci.so
    
57. [100%] Built target uci_lua
    
58. 
    
59. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1$ file uci
    
60. uci: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.24, BuildID[sha1]=0xd271be1dcdf6d41d5e6517da451263c291483673, not stripped
    
61. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1$ sudo make install
    
62. [sudo] password for linux:
    
63. [ 66%] Built target uci
    
64. [ 77%] Built target cli
    
65. [ 88%] Built target ucimap
    
66. [100%] Built target uci_lua
    
67. Install the project...
    
68. -- Install configuration: ""
    
69. -- Installing: /usr/local/include/uci.h
    
70. -- Installing: /usr/local/include/uci_config.h
    
71. -- Installing: /usr/local/include/uci_blob.h
    
72. -- Installing: /usr/local/include/ucimap.h
    
73. -- Installing: /usr/local/lib/libuci.so
    
74. -- Installing: /usr/local/bin/uci
    
75. -- Removed runtime path from "/usr/local/bin/uci"
    
76. -- Installing: /usr/local/lib/lua/5.1/uci.so
    
77. -- Removed runtime path from "/usr/local/lib/lua/5.1/uci.so"
    
78. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1$ which uci
    
79. /usr/local/bin/uci
    
80. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1$ uci -v
    
81. uci: error while loading shared libraries: libuci.so: cannot open shared object file: No such file or directory
    
82. 
    
83. linux@ubuntu:/usr/local/lib$ ldd /usr/local/bin/uci
    
84.          linux-gate.so.1 =>  (0xb779f000)
    
85.          libuci.so => not found
    
86.          libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xb75e7000)
    
87.          /lib/ld-linux.so.2 (0xb77a0000)
    
88. linux@ubuntu:/usr/local/lib$ LD_DEBUG=libs uci -v
    
89.       5877:   find library=libuci.so [0]; searching
    
90.       5877:   search cache=/etc/ld.so.cache
    
91.       5877:   search path=/lib/i386-linux-gnu/tls/i686/sse2/cmov:/lib/i386-linux-gnu/tls/i686/sse2:/lib/i386-linux-gnu/tls/i686/cmov:/lib/i386-linux-gnu/tls/i686:/lib/i386-linux-gnu/tls/sse2/cmov:/lib/i386-linux-gnu/tls/sse2:/lib/i386-linux-gnu/tls/cmov:/lib/i386-linux-gnu/tls:/lib/i386-linux-gnu/i686/sse2/cmov:/lib/i386-linux-gnu/i686/sse2:/lib/i386-linux-gnu/i686/cmov:/lib/i386-linux-gnu/i686:/lib/i386-linux-gnu/sse2/cmov:/lib/i386-linux-gnu/sse2:/lib/i386-linux-gnu/cmov:/lib/i386-linux-gnu:/usr/lib/i386-linux-gnu/tls/i686/sse2/cmov:/usr/lib/i386-linux-gnu/tls/i686/sse2:/usr/lib/i386-linux-gnu/tls/i686/cmov:/usr/lib/i386-linux-gnu/tls/i686:/usr/lib/i386-linux-gnu/tls/sse2/cmov:/usr/lib/i386-linux-gnu/tls/sse2:/usr/lib/i386-linux-gnu/tls/cmov:/usr/lib/i386-linux-gnu/tls:/usr/lib/i386-linux-gnu/i686/sse2/cmov:/usr/lib/i386-linux-gnu/i686/sse2:/usr/lib/i386-linux-gnu/i686/cmov:/usr/lib/i386-linux-gnu/i686:/usr/lib/i386-linux-gnu/sse2/cmov:/usr/lib/i386-linux-gnu/sse2:/usr/lib/i386-linux-gnu/cmov:/usr/lib/i386-linux-gnu:/lib/tls/i686/sse2/cmov:/lib/tls/i686/sse2:/lib/tls/i686/cmov:/lib/tls/i686:/lib/tls/sse2/cmov:/lib/tls/sse2:/lib/tls/cmov:/lib/tls:/lib/i686/sse2/cmov:/lib/i686/sse2:/lib/i686/cmov:/lib/i686:/lib/sse2/cmov:/lib/sse2:/lib/cmov:/lib:/usr/lib/tls/i686/sse2/cmov:/usr/lib/tls/i686/sse2:/usr/lib/tls/i686/cmov:/usr/lib/tls/i686:/usr/lib/tls/sse2/cmov:/usr/lib/tls/sse2:/usr/lib/tls/cmov:/usr/lib/tls:/usr/lib/i686/sse2/cmov:/usr/lib/i686/sse2:/usr/lib/i686/cmov:/usr/lib/i686:/usr/lib/sse2/cmov:/usr/lib/sse2:/usr/lib/cmov:/usr/lib           (system search path)
    
92.       5877:     trying file=/lib/i386-linux-gnu/tls/i686/sse2/cmov/libuci.so
    
93.       5877:     trying file=/lib/i386-linux-gnu/tls/i686/sse2/libuci.so
    
94.       5877:     trying file=/lib/i386-linux-gnu/tls/i686/cmov/libuci.so
    
95.       5877:     trying file=/lib/i386-linux-gnu/tls/i686/libuci.so
    
96.       5877:     trying file=/lib/i386-linux-gnu/tls/sse2/cmov/libuci.so
    
97.       5877:     trying file=/lib/i386-linux-gnu/tls/sse2/libuci.so
    
98.       5877:     trying file=/lib/i386-linux-gnu/tls/cmov/libuci.so
    
99.       5877:     trying file=/lib/i386-linux-gnu/tls/libuci.so
    
100.       5877:     trying file=/lib/i386-linux-gnu/i686/sse2/cmov/libuci.so
     
101.       5877:     trying file=/lib/i386-linux-gnu/i686/sse2/libuci.so
     
102.       5877:     trying file=/lib/i386-linux-gnu/i686/cmov/libuci.so
     
103.       5877:     trying file=/lib/i386-linux-gnu/i686/libuci.so
     
104.       5877:     trying file=/lib/i386-linux-gnu/sse2/cmov/libuci.so
     
105.       5877:     trying file=/lib/i386-linux-gnu/sse2/libuci.so
     
106.       5877:     trying file=/lib/i386-linux-gnu/cmov/libuci.so
     
107.       5877:     trying file=/lib/i386-linux-gnu/libuci.so
     
108.       5877:     trying file=/usr/lib/i386-linux-gnu/tls/i686/sse2/cmov/libuci.so
     
109.       5877:     trying file=/usr/lib/i386-linux-gnu/tls/i686/sse2/libuci.so
     
110.       5877:     trying file=/usr/lib/i386-linux-gnu/tls/i686/cmov/libuci.so
     
111.       5877:     trying file=/usr/lib/i386-linux-gnu/tls/i686/libuci.so
     
112.       5877:     trying file=/usr/lib/i386-linux-gnu/tls/sse2/cmov/libuci.so
     
113.       5877:     trying file=/usr/lib/i386-linux-gnu/tls/sse2/libuci.so
     
114.       5877:     trying file=/usr/lib/i386-linux-gnu/tls/cmov/libuci.so
     
115.       5877:     trying file=/usr/lib/i386-linux-gnu/tls/libuci.so
     
116.       5877:     trying file=/usr/lib/i386-linux-gnu/i686/sse2/cmov/libuci.so
     
117.       5877:     trying file=/usr/lib/i386-linux-gnu/i686/sse2/libuci.so
     
118.       5877:     trying file=/usr/lib/i386-linux-gnu/i686/cmov/libuci.so
     
119.       5877:     trying file=/usr/lib/i386-linux-gnu/i686/libuci.so
     
120.       5877:     trying file=/usr/lib/i386-linux-gnu/sse2/cmov/libuci.so
     
121.       5877:     trying file=/usr/lib/i386-linux-gnu/sse2/libuci.so
     
122.       5877:     trying file=/usr/lib/i386-linux-gnu/cmov/libuci.so
     
123.       5877:     trying file=/usr/lib/i386-linux-gnu/libuci.so
     
124.       5877:     trying file=/lib/tls/i686/sse2/cmov/libuci.so
     
125.       5877:     trying file=/lib/tls/i686/sse2/libuci.so
     
126.       5877:     trying file=/lib/tls/i686/cmov/libuci.so
     
127.       5877:     trying file=/lib/tls/i686/libuci.so
     
128.       5877:     trying file=/lib/tls/sse2/cmov/libuci.so
     
129.       5877:     trying file=/lib/tls/sse2/libuci.so
     
130.       5877:     trying file=/lib/tls/cmov/libuci.so
     
131.       5877:     trying file=/lib/tls/libuci.so
     
132.       5877:     trying file=/lib/i686/sse2/cmov/libuci.so
     
133.       5877:     trying file=/lib/i686/sse2/libuci.so
     
134.       5877:     trying file=/lib/i686/cmov/libuci.so
     
135.       5877:     trying file=/lib/i686/libuci.so
     
136.       5877:     trying file=/lib/sse2/cmov/libuci.so
     
137.       5877:     trying file=/lib/sse2/libuci.so
     
138.       5877:     trying file=/lib/cmov/libuci.so
     
139.       5877:     trying file=/lib/libuci.so
     
140.       5877:     trying file=/usr/lib/tls/i686/sse2/cmov/libuci.so
     
141.       5877:     trying file=/usr/lib/tls/i686/sse2/libuci.so
     
142.       5877:     trying file=/usr/lib/tls/i686/cmov/libuci.so
     
143.       5877:     trying file=/usr/lib/tls/i686/libuci.so
     
144.       5877:     trying file=/usr/lib/tls/sse2/cmov/libuci.so
     
145.       5877:     trying file=/usr/lib/tls/sse2/libuci.so
     
146.       5877:     trying file=/usr/lib/tls/cmov/libuci.so
     
147.       5877:     trying file=/usr/lib/tls/libuci.so
     
148.       5877:     trying file=/usr/lib/i686/sse2/cmov/libuci.so
     
149.       5877:     trying file=/usr/lib/i686/sse2/libuci.so
     
150.       5877:     trying file=/usr/lib/i686/cmov/libuci.so
     
151.       5877:     trying file=/usr/lib/i686/libuci.so
     
152.       5877:     trying file=/usr/lib/sse2/cmov/libuci.so
     
153.       5877:     trying file=/usr/lib/sse2/libuci.so
     
154.       5877:     trying file=/usr/lib/cmov/libuci.so
     
155.       5877:     trying file=/usr/lib/libuci.so
     
156.       5877:  
     
157. uci: error while loading shared libraries: libuci.so: cannot open shared object file: No such file or directory
     
158. 
     
159. 
     
160. linux@ubuntu:/usr/local/lib$ ln -s /usr/local/lib/libuci.so /usr/lib/libuci.so
     
161. ln: failed to create symbolic link `/usr/lib/libuci.so': Permission denied
     
162. linux@ubuntu:/usr/local/lib$ sudo ln -s /usr/local/lib/libuci.so /usr/lib/libuci.so
     
163. linux@ubuntu:/usr/local/lib$ ldd /usr/local/bin/uci
     
164.          linux-gate.so.1 =>  (0xb7776000)
     
165.          libuci.so => /usr/lib/libuci.so (0xb7757000)
     
166.          libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xb75b2000)
     
167.          libubox.so => /usr/lib/libubox.so (0xb75a7000)
     
168.          /lib/ld-linux.so.2 (0xb7777000)
     
169.          librt.so.1 => /lib/i386-linux-gnu/librt.so.1 (0xb759e000)
     
170.          libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0 (0xb7583000)
     
171. 
     
172. OK ，test下
     
173. linux@ubuntu:/usr/local/lib$ uci --version
     
174. uci: invalid option -- '-'
     
175. Usage: uci [<options>] <command> [<arguments>]
     
176. 
     
177. Commands:
     
178.          batch
     
179.          export     [<config>]
     
180.          import     [<config>]
     
181.          changes    [<config>]
     
182.          commit     [<config>]
     
183.          add        <config> <section-type>
     
184.          add_list   <config>.<section>.<option>=<string>
     
185.          del_list   <config>.<section>.<option>=<string>
     
186.          show       [<config>[.<section>[.<option>]]]
     
187.          get        <config>.<section>[.<option>]
     
188.          set        <config>.<section>[.<option>]=<value>
     
189.          delete     <config>[.<section>[[.<option>][=<id>]]]
     
190.          rename     <config>.<section>[.<option>]=<name>
     
191.          revert     <config>[.<section>[.<option>]]
     
192.          reorder    <config>.<section>=<position>
     
193. 
     
194. Options:
     
195.          -c <path>  set the search path for config files (default: /etc/config)
     
196.          -d <str>   set the delimiter for list values in uci show
     
197.          -f <file>  use <file> as input instead of stdin
     
198.          -m         when importing, merge data into an existing package
     
199.          -n         name unnamed sections on export (default)
     
200.          -N         don't name unnamed sections
     
201.          -p <path>  add a search path for config change files
     
202.          -P <path>  add a search path for config change files and use as default
     
203.          -q         quiet mode (don't print error messages)
     
204.          -s         force strict mode (stop on parser errors, default)
     
205.          -S         disable strict mode
     
206.          -X         do not use extended syntax on 'show'
     
207. 
     
208. Uci使用
     
209. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1/test/config$ pwd
     
210. /home/linux/linux_c/uci/uci-2014-04-11.1/test/config
     
211. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1/test/config$ ls -l
     
212. total 4
     
213. -rw-r--r-- 1 linux linux 452 Jul 21 09:31 network
     
214. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1/test/config$ cat network
     
215. config 'alias' 'a'
     
216.          option 'interface' 'lan'
     
217. 
     
218. config 'alias' 'b'
     
219.          option 'interface' 'lan'
     
220. 
     
221. config 'interface' 'lan'
     
222.          option 'proto' 'static'
     
223.          option 'ifname' 'eth0'
     
224.          option 'test' '123'
     
225.          option 'enabled' 'off'
     
226.          option 'ipaddr' '2.3.4.5'
     
227. 
     
228. config 'interface' 'wan'
     
229.          option 'proto'   'dhcp'
     
230.          option 'ifname' 'eth1'
     
231.          option 'enabled' 'on'
     
232.          option 'aliases' 'c d'
     
233.         
     
234. config 'alias' 'c'
     
235.          option 'interface' 'wan'
     
236. 
     
237. config 'alias' 'd'
     
238.          option 'interface' 'wan'
     
239. 
     
240. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1/test/config$ uci show -c /home/linux/linux_c/uci/uci-2014-04-11.1/test/config
     
241. network.a=alias
     
242. network.a.interface=lan
     
243. network.b=alias
     
244. network.b.interface=lan
     
245. network.lan=interface
     
246. network.lan.proto=static
     
247. network.lan.ifname=eth0
     
248. network.lan.test=123
     
249. network.lan.enabled=off
     
250. network.lan.ipaddr=2.3.4.5
     
251. network.wan=interface
     
252. network.wan.proto=dhcp
     
253. network.wan.ifname=eth1
     
254. network.wan.enabled=on
     
255. network.wan.aliases=c d
     
256. network.c=alias
     
257. network.c.interface=wan
     
258. network.d=alias
     
259. network.d.interface=wan
     
260. 
     
261. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1/test/config$ uci show  network.b -c /home/linux/linux_c/uci/uci-2014-04-11.1/test/config
     
262. network.b=alias
     
263. network.b.interface=lan
     
264. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1/test/config$ uci show  network.lan -c /home/linux/linux_c/uci/uci-2014-04-11.1/test/config
     
265. network.lan=interface
     
266. network.lan.proto=static
     
267. network.lan.ifname=eth0
     
268. network.lan.test=123
     
269. network.lan.enabled=off
     
270. network.lan.ipaddr=2.3.4.5
     
271. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1/test/config$ uci show  network.lan.test -c /home/linux/linux_c/uci/uci-2014-04-11.1/test/config
     
272. network.lan.test=123
     
273. 
     
274. 
     
275. uci add操作
     
276. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1/test/config$ uci add  network test  -c /home/linux/linux_c/uci/uci-2014-04-11.1/test/config
     
277. cfg0a6865
     
278. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1/test/config$ uci commit
     
279. uci: Entry not found
     
280. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1/test/config$ uci commit -c /home/linux/linux_c/uci/uci-2014-04-11.1/test/config
     
281. linux@ubuntu:~/linux_c/uci/uci-2014-04-11.1/test/config$ cat network
     
282. 
     
283. config alias 'a'
     
284.          option interface 'lan'
     
285. 
     
286. config alias 'b'
     
287.          option interface 'lan'
     
288. 
     
289. config interface 'lan'
     
290.          option proto 'static'
     
291.          option ifname 'eth0'
     
292.          option test '123'
     
293.          option enabled 'off'
     
294.          option ipaddr '2.3.4.5'
     
295. 
     
296. config interface 'wan'
     
297.          option proto 'dhcp'
     
298.          option ifname 'eth1'
     
299.          option enabled 'on'
     
300.          option aliases 'c d'
     
301. 
     
302. config alias 'c'
     
303.          option interface 'wan'
     
304. 
     
305. config alias 'd'
     
306.          option interface 'wan'
     
307. 
     
308. config wire 'test'
     
309. 
     
310. config test
     
311. 
     
312. config test
     
313. 生效修改(任何写入类的语法,最终都要执行生效修改,否则所做修改只在缓存中,切记!)
     
314. 
     
315. 
     
316. 创建UCI文件并测试
     
317. 默认uci搜索目录是/etc/config
     
318. linux@ubuntu:/etc/config$ sudo mkdir -p /etc/config
     
319. linux@ubuntu:/etc/config$ sudo touch test
     
320. linux@ubuntu:/etc/config$ ls -l
     
321. total 0
     
322. -rw-r--r-- 1 root root 0 Sep 15 09:51 test
     
323. linux@ubuntu:/etc/config$ sudo chown linux:linux  test
     
324. linux@ubuntu:/etc/config$ ls -l
     
325. total 0
     
326. -rw-r--r-- 1 linux linux 0 Sep 15 09:51 test
     
327. linux@ubuntu:/etc/config$ chmod 777 test
     
328. linux@ubuntu:/etc/config$ vi test
     
329. linux@ubuntu:/etc/config$ uci show
     
330. test.abc=test
     
331. test.abc.test_var=value
     
332. test.abc.test_var2=value22
     
333. linux@ubuntu:/etc/config$ cat test
     
334. config 'test' 'abc'
     
335.         option 'test_var' 'value'
     
336.         option 'test_var2' 'value22'
     

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参考

总结：

1. 和共享库相关的一些错误如何处理：

1> LD_DEBUG 命令：

LD_DEBUG 是 glibc 中的 loader 为了方便自身调试而设置的一个环境变量。通过设置这个环境变量，可以方便的看到 loader 的加载过程。

UCI API的使用

C中调用UCI API

http://blog.chinaunix.net/uid-26675482-id-4633889.html

好了 ,lua 学习 , uci也学习了，接下来就是luci

Lua中使用UCI 例子：

Luci文件源代码：

1. linux@ubuntu:~/linux_c/lua/lua-5.1.5/luca_study$cat test1.luci
   
2. #!/usr/bin/lua
   
3. --helloworld lua program
   
4. print("Hello World!")
   
5. 
   
6. 
   
7. require("uci")
   
8. 
   
9. -- Get asection type or an option
   
10. x =uci.cursor()
    
11. a =x:get("test", "abc", "test_var")
    
12. print(a)
    
13. -- Getthe configuration directory
    
14. b =x:get_confdir()
    
15. print(b)
    
16. 
    
17. -- Getall sections of a config or all values of a section
    
18. d =x:get_all("test", "abc")
    
19. print(d)
    
20. print(d["test_var"])
    
21. print(d["test_var2"])

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uci 文件具体内容

1. linux@ubuntu:/etc/config$pwd
   
2. /etc/config
   
3. linux@ubuntu:/etc/config$cat test
   
4. config'test' 'abc'
   
5.         option 'test_var' 'value'
   
6.         option 'test_var2' 'value22'
   
7. 
   
8. 
   
9. 执行测试输出结果：
   
10. linux@ubuntu:~/linux_c/lua/lua-5.1.5/luca_study$lua test1.luci
    
11. HelloWorld!
    
12. value
    
13. /etc/config
    
14. table:0x9190018
    
15. value
    
16. value22
    

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Luci api

http://luci.subsignal.org/api/luci/

http://wiki.openwrt.org/doc/techref/uci#api