Annotation of libaitcli/inc/aitcli.h, revision 1.2.2.13

1.1       misho       1: /*************************************************************************
                      2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
                      3: *  by Michael Pounov <misho@openbsd-bg.org>
                      4: *
                      5: * $Author: misho $
1.2.2.13! misho       6: * $Id: aitcli.h,v 1.2.2.12 2010/06/09 09:32:30 misho Exp $
1.1       misho       7: *
                      8: *************************************************************************/
                      9: #ifndef __AITCLI_H
                     10: #define __AITCLI_H
                     11: 
                     12: 
1.2.2.5   misho      13: #include <termios.h>
                     14: #include <sys/queue.h>
                     15: 
                     16: 
1.2.2.2   misho      17: #define STRSIZ         256
                     18: 
1.2.2.1   misho      19: /* Key definitions */
                     20: 
                     21: #define        K_F1            "\x1b\x4f\x50"
                     22: #define        K_F2            "\x1b\x4f\x51"
                     23: #define        K_F3            "\x1b\x4f\x52"
                     24: #define        K_F4            "\x1b\x4f\x53"
                     25: #define        K_F5            "\x1b\x5b\x31\x35\x7e"
                     26: #define        K_F6            "\x1b\x5b\x31\x37\x7e"
                     27: #define        K_F7            "\x1b\x5b\x31\x38\x7e"
                     28: #define        K_F8            "\x1b\x5b\x31\x39\x7e"
                     29: #define        K_F9            "\x1b\x5b\x32\x30\x7e"
                     30: #define        K_F10           "\x1b\x5b\x32\x31\x7e"
                     31: #define        K_F11           "\x1b\x5b\x32\x33\x7e"
                     32: #define        K_F12           "\x1b\x5b\x32\x34\x7e"
                     33: #define K_CTRL_F1      "\x1b\x5b\x6b"
                     34: #define K_CTRL_F2      "\x1b\x5b\x6c"
                     35: #define K_CTRL_F3      "\x1b\x5b\x6d"
                     36: #define K_CTRL_F4      "\x1b\x5b\x6e"
                     37: #define K_CTRL_F5      "\x1b\x5b\x6f"
                     38: #define K_CTRL_F6      "\x1b\x5b\x70"
                     39: #define K_CTRL_F7      "\x1b\x5b\x71"
                     40: #define K_CTRL_F8      "\x1b\x5b\x72"
                     41: #define K_CTRL_F9      "\x1b\x5b\x73"
                     42: #define K_CTRL_F10     "\x1b\x5b\x74"
                     43: #define K_CTRL_F11     "\x1b\x5b\x75"
                     44: #define K_CTRL_F12     "\x1b\x5b\x76"
                     45: #define K_CTRL_SH_F1   "\x1b\x5b\x77"
                     46: #define K_CTRL_SH_F2   "\x1b\x5b\x78"
                     47: #define K_CTRL_SH_F3   "\x1b\x5b\x79"
                     48: #define K_CTRL_SH_F4   "\x1b\x5b\x7a"
                     49: #define K_CTRL_SH_F5   "\x1b\x5b\x40"
                     50: #define K_CTRL_SH_F6   "\x1b\x5b\x5b"
                     51: #define K_CTRL_SH_F7   "\x1b\x5b\x5c"
                     52: #define K_CTRL_SH_F8   "\x1b\x5b\x5d"
                     53: #define K_CTRL_SH_F9   "\x1b\x5b\x5e"
                     54: #define K_CTRL_SH_F10  "\x1b\x5b\x5f"
                     55: #define K_CTRL_SH_F11  "\x1b\x5b\x60"
                     56: #define K_CTRL_SH_F12  "\x1b\x5b\x7b"
                     57: 
                     58: #define K_INS          "\x1b\x5b\x32\x7e"
                     59: #define K_DEL          "\x1b\x5b\x33\x7e"
                     60: #define K_PGUP         "\x1b\x5b\x35\x7e"
                     61: #define K_PGDN         "\x1b\x5b\x36\x7e"
                     62: #define K_HOME         "\x1b\x5b\x48"
                     63: #define K_END          "\x1b\x5b\x46"
                     64: #define K_UP           "\x1b\x5b\x41"
                     65: #define K_DOWN         "\x1b\x5b\x42"
                     66: #define K_RIGHT                "\x1b\x5b\x43"
                     67: #define K_LEFT         "\x1b\x5b\x44"
                     68: 
                     69: #define K_NULL         "\x0"
                     70: #define K_CR           "\xd"
                     71: #define K_BTAB         "\x1b\x5b\x5a"
                     72: #define K_TAB          "\x9"
                     73: #define K_ENTER                "\xa"
                     74: #define K_ESC          "\x1b"
                     75: #define K_BACKSPACE    "\x7f"
                     76: #define K_SPACE                "\x20"
                     77: 
                     78: #define K_CTRL_SPACE   K_NULL
                     79: #define K_CTRL_2       K_NULL
                     80: #define K_CTRL_A       "\x1"
                     81: #define K_CTRL_B       "\x2"
                     82: #define K_CTRL_C       "\x3"
                     83: #define K_CTRL_D       "\x4"
                     84: #define K_CTRL_E       "\x5"
                     85: #define K_CTRL_F       "\x6"
                     86: #define K_CTRL_G       "\x7"
                     87: #define K_CTRL_H       "\x8"
                     88: #define K_CTRL_I       K_TAB
                     89: #define K_CTRL_J       K_ENTER
                     90: #define K_CTRL_K       "\xb"
                     91: #define K_CTRL_L       "\xc"
                     92: #define K_CTRL_M       K_ENTER         // K_CR
                     93: #define K_CTRL_N       "\xe"
                     94: #define K_CTRL_O       "\xf"
                     95: #define K_CTRL_P       "\x10"
                     96: #define K_CTRL_Q       "\x11"
                     97: #define K_CTRL_R       "\x12"
                     98: #define K_CTRL_S       "\x13"
                     99: #define K_CTRL_T       "\x14"
                    100: #define K_CTRL_U       "\x15"
                    101: #define K_CTRL_V       "\x16"
                    102: #define K_CTRL_W       "\x17"
                    103: #define K_CTRL_X       "\x18"
                    104: #define K_CTRL_Y       "\x19"
                    105: #define K_CTRL_Z       "\x1a"
                    106: #define K_CTRL_LBRACE  "\x1b"
                    107: #define K_CTRL_PIPE    "\x1c"
                    108: #define K_CTRL_RBRACE  "\x1d"
                    109: #define K_CTRL_6       "\x1e"
                    110: #define K_CTRL__       "\x1f"
                    111: 
                    112: 
                    113: #define K_X_CTRL_INS   "\x1b\x5b\x32\x3b\x35\x7e"
                    114: #define K_X_CTRL_DEL   "\x1b\x5b\x33\x3b\x35\x7e"
                    115: #define K_X_CTRL_PGUP  "\x1b\x5b\x35\x3b\x35\x7e"
                    116: #define K_X_CTRL_PGDN  "\x1b\x5b\x36\x3b\x35\x7e"
                    117: #define K_X_CTRL_HOME  "\x1b\x5b\x31\x3b\x35\x48"
                    118: #define K_X_CTRL_END   "\x1b\x5b\x31\x3b\x35\x46"
                    119: #define K_X_CTRL_UP    "\x1b\x5b\x31\x3b\x35\x41"
                    120: #define K_X_CTRL_DOWN  "\x1b\x5b\x31\x3b\x35\x42"
                    121: #define K_X_CTRL_RIGHT "\x1b\x5b\x31\x3b\x35\x43"
                    122: #define K_X_CTRL_LEFT  "\x1b\x5b\x31\x3b\x35\x44"
                    123: 
                    124: #define K_X_ALT_INS    "\x1b\x5b\x32\x3b\x33\x7e"
                    125: #define K_X_ALT_DEL    "\x1b\x5b\x33\x3b\x33\x7e"
                    126: #define K_X_ALT_PGUP   "\x1b\x5b\x35\x3b\x33\x7e"
                    127: #define K_X_ALT_PGDN   "\x1b\x5b\x36\x3b\x33\x7e"
                    128: #define K_X_ALT_HOME   "\x1b\x5b\x31\x3b\x33\x48"
                    129: #define K_X_ALT_END    "\x1b\x5b\x31\x3b\x33\x46"
                    130: #define K_X_ALT_UP     "\x1b\x5b\x31\x3b\x33\x41"
                    131: #define K_X_ALT_DOWN   "\x1b\x5b\x31\x3b\x33\x42"
                    132: #define K_X_ALT_RIGHT  "\x1b\x5b\x31\x3b\x33\x43"
                    133: #define K_X_ALT_LEFT   "\x1b\x5b\x31\x3b\x33\x44"
                    134: 
                    135: #define K_X_CTL_A_INS  "\x1b\x5b\x32\x3b\x37\x7e"
                    136: #define K_X_CTL_A_DEL  "\x1b\x5b\x33\x3b\x37\x7e"
                    137: #define K_X_CTL_A_PGUP "\x1b\x5b\x35\x3b\x37\x7e"
                    138: #define K_X_CTL_A_PGDN "\x1b\x5b\x36\x3b\x37\x7e"
                    139: #define K_X_CTL_A_HOME "\x1b\x5b\x31\x3b\x37\x48"
                    140: #define K_X_CTL_A_END  "\x1b\x5b\x31\x3b\x37\x46"
                    141: #define K_X_CTL_A_UP   "\x1b\x5b\x31\x3b\x37\x41"
                    142: #define K_X_CTL_A_DOWN "\x1b\x5b\x31\x3b\x37\x42"
                    143: #define K_X_CTL_A_RIGHT        "\x1b\x5b\x31\x3b\x37\x43"
                    144: #define K_X_CTL_A_LEFT "\x1b\x5b\x31\x3b\x37\x44"
                    145: 
                    146: 
                    147: /* History types */
                    148: 
                    149: struct tagHistory {
                    150:        int             hist_len;
                    151:        char            hist_line[BUFSIZ];
                    152: 
                    153:        TAILQ_ENTRY(tagHistory) hist_next;
1.1       misho     154: };
1.2.2.1   misho     155: typedef TAILQ_HEAD(tqHistoryHead, tagHistory) history_t;
                    156: 
                    157: /* Bind keys structure types */
                    158: 
                    159: typedef int (*bindkey_func_t)(int idx, /*linebuffer_t **/ void * __restrict buffer);
                    160: typedef struct {
                    161:        int             key_len;
                    162:        unsigned char   key_ch[8];
                    163:        bindkey_func_t  key_func;
                    164: } bindkey_t;
                    165: 
                    166: 
1.2.2.4   misho     167: /* Commands structure for CLI */
                    168: 
1.2.2.8   misho     169: typedef int (*cmd_func_t)(/*linebuffer_t **/ void * __restrict buffer, int idx, char ** __restrict args);
1.2.2.4   misho     170: struct tagCommand {
                    171:        int                     cmd_level;
                    172: 
                    173:        int                     cmd_len;
                    174:        char                    cmd_name[STRSIZ];
                    175: 
                    176:        char                    cmd_info[STRSIZ];
                    177:        char                    cmd_help[STRSIZ];
                    178: 
                    179:        cmd_func_t              cmd_func;
                    180: 
                    181:        SLIST_ENTRY(tagCommand) cmd_next;
                    182: };
                    183: typedef SLIST_HEAD(slCommandHead, tagCommand) commands_t;
                    184: 
                    185: 
1.2.2.1   misho     186: /* Main structure, Buffer for CLI work with thread models ;-) special designed by M.Punov */
                    187: 
                    188: typedef struct {
                    189:        char                    line_mode;
                    190: 
                    191:        char                    *line_prompt;
                    192: 
                    193:        int                     line_bol;
                    194:        int                     line_eol;
                    195:        int                     line_len;
                    196:        char                    *line_buf;
                    197: 
                    198:        const struct tagHistory *line_h;
                    199:        history_t               line_history;
1.1       misho     200: 
1.2.2.1   misho     201:        bindkey_t               *line_keys;
1.1       misho     202: 
1.2.2.8   misho     203:        int                     line_level;
1.2.2.4   misho     204:        commands_t              line_cmds;
                    205: 
1.2.2.1   misho     206:        int                     line_in;
                    207:        int                     line_out;
                    208: } linebuffer_t;
                    209: 
                    210: 
                    211: /* Error support functions */
1.1       misho     212: 
                    213: // cli_GetErrno() Get error code of last operation
                    214: inline int cli_GetErrno();
                    215: // cli_GetError() Get error text of last operation
                    216: inline const char *cli_GetError();
                    217: 
                    218: 
1.2.2.9   misho     219: /* CLI Helper functions */
                    220: 
                    221: /*
                    222:  * cli_Cmd_Unsupported() Builtin helper function for unsupported commands
                    223:  * @buffer = CLI buffer
                    224:  * @idx = Selected command ID
                    225:  * @args = Parsed arguments array
                    226:  * return: RETCODE_OK ok
                    227: */
                    228: int cli_Cmd_Unsupported(void * __restrict buffer, int idx, char ** __restrict args);
                    229: 
                    230: 
1.2.2.1   misho     231: /* CLI Functions */
                    232: 
1.1       misho     233: /*
1.2.2.3   misho     234:  * cli_BindKey() Bind function to key
                    235:  * @key = key structure
                    236:  * @buffer = CLI buffer
                    237:  * return: RETCODE_ERR error, RETCODE_OK ok, >0 bind at position
                    238: */
                    239: int cli_BindKey(bindkey_t * __restrict key, linebuffer_t * __restrict buffer);
                    240: 
1.2.2.6   misho     241: 
                    242: /*
                    243:  * cli_addCommand() Add command to CLI session
                    244:  * @buffer = CLI buffer
                    245:  * @csCmd = Command name
                    246:  * @cliLevel = Level in CLI, -1 unprivi(view from all), 0 main config, 1 sub config ...
                    247:  * @funcCmd = Callback function when user call command
                    248:  * @csInfo = Inline information for command
                    249:  * @csHelp = Help line when call help
                    250:  * return: RETCODE_ERR error, RETCODE_OK ok
                    251: */
                    252: int
                    253: cli_addCommand(linebuffer_t * __restrict buffer, const char *csCmd, int cliLevel, cmd_func_t funcCmd, 
1.2.2.10  misho     254:                const char *csInfo, const char *csHelp);
1.2.2.6   misho     255: /*
                    256:  * cli_delCommand() Delete command from CLI session
                    257:  * @buffer = CLI buffer
                    258:  * @csCmd = Command name
                    259:  * @cliLevel = Level in CLI, -1 unprivi(view from all), 0 main config, 1 sub config ...
                    260:  * return: RETCODE_ERR error, RETCODE_OK ok
                    261: */
                    262: int
                    263: cli_delCommand(linebuffer_t * __restrict buffer, const char *csCmd, int cliLevel);
                    264: /*
                    265:  * cli_updCommand() Update command in CLI session
                    266:  * @buffer = CLI buffer
                    267:  * @csCmd = Command name
                    268:  * @cliLevel = Level in CLI, -1 unprivi(view from all), 0 main config, 1 sub config ...
                    269:  * @funcCmd = Callback function when user call command
                    270:  * @csInfo = Inline information for command
                    271:  * @csHelp = Help line when call help
                    272:  * return: RETCODE_ERR error, RETCODE_OK ok
                    273: */
                    274: int
                    275: cli_updCommand(linebuffer_t * __restrict buffer, const char *csCmd, int cliLevel, cmd_func_t funcCmd, 
1.2.2.10  misho     276:                const char *csInfo, const char *csHelp);
1.2.2.6   misho     277: 
                    278: 
1.2.2.3   misho     279: /*
                    280:  * cli_addHistory() Add line to history
                    281:  * @buffer = CLI buffer
1.2.2.4   misho     282:  * @str = Add custom text or if NULL use readed line from CLI buffer
1.2.2.3   misho     283:  * return: RETCODE_ERR error, RETCODE_OK ok
                    284: */
                    285: int cli_addHistory(linebuffer_t * __restrict buffer, const char * __restrict str);
                    286: /*
                    287:  * cli_saveHistory() Save history to file
                    288:  * @buffer = CLI buffer
                    289:  * @histfile = History filename, if NULL will be use default name
                    290:  * @lines = Maximum history lines to save
                    291:  * return: RETCODE_ERR error, RETCODE_OK ok
                    292: */
                    293: int cli_saveHistory(linebuffer_t * __restrict buffer, const char *histfile, int lines);
                    294: /*
                    295:  * cli_loadHistory() Load history from file
                    296:  * @buffer = CLI buffer
                    297:  * @histfile = History filename, if NULL will be use default name
                    298:  * return: RETCODE_ERR error, RETCODE_OK ok
                    299: */
                    300: int cli_loadHistory(linebuffer_t * __restrict buffer, const char *histfile);
                    301: /*
                    302:  * cli_resetHistory() Reset history search in CLI session
                    303:  * @buffer = CLI buffer
                    304:  * return: none
                    305: */
                    306: inline void cli_resetHistory(linebuffer_t * __restrict buffer);
                    307: 
                    308: /*
                    309:  * cli_freeLine() Clear entire line
                    310:  * @buffer = CLI buffer
                    311:  * return: RETCODE_ERR error, RETCODE_OK ok
                    312: */
                    313: inline int cli_freeLine(linebuffer_t * __restrict buffer);
                    314: /*
                    315:  * cli_setPrompt() Set new prompt for CLI session
                    316:  * @buffer = CLI buffer
                    317:  * @prompt = new text for prompt or if NULL disable prompt
                    318:  * return: none
                    319: */
                    320: inline void cli_setPrompt(linebuffer_t * __restrict buffer, const char *prompt);
1.2.2.4   misho     321: /*
                    322:  * cli_Printf() Send message to CLI session
                    323:  * @buffer = CLI buffer
                    324:  * @fmt = printf format string
                    325:  * @... = arguments defined in fmt
                    326:  * return: none
                    327: */
                    328: inline void cli_Printf(linebuffer_t * __restrict buffer, char *fmt, ...);
1.2.2.11  misho     329: /*
                    330:  * cli_PrintHelp() Print help screen
                    331:  * @buffer = CLI buffer
                    332:  * return: none
                    333: */
                    334: inline void cli_PrintHelp(linebuffer_t * __restrict buffer);
1.2.2.3   misho     335: 
                    336: /*
                    337:  * cliEnd() Clear data, Free resources and close CLI session
                    338:  * @buffer = CLI buffer
                    339:  * return: RETCODE_ERR error, RETCODE_OK ok
                    340: */
                    341: void cliEnd(linebuffer_t * __restrict buffer);
                    342: /*
                    343:  * cliInit() Start CLI session, allocate memory for resources and bind keys
                    344:  * @fin = Input device handle
                    345:  * @fout = Output device handle
                    346:  * @prompt = text for prompt, if NULL disable prompt
                    347:  * return: NULL if error or !=NULL CLI buffer
                    348: */
                    349: linebuffer_t *cliInit(int fin, int fout, const char *prompt);
                    350: 
                    351: /*
1.2.2.13! misho     352:  * cliInitLine() Init CLI input line terminal
1.2.2.4   misho     353:  * @buffer = CLI buffer
1.2.2.13! misho     354:  * return: none
1.2.2.4   misho     355: */
1.2.2.13! misho     356: int cliInitLine(linebuffer_t * __restrict buffer);
1.2.2.4   misho     357: /*
1.2.2.13! misho     358:  * cliReadLine() Read line from opened CLI session
1.2.2.4   misho     359:  * @buffer = CLI buffer
1.2.2.13! misho     360:  * return: NULL if error or !=NULL readed line, must be free after use!
1.2.2.4   misho     361: */
1.2.2.13! misho     362: char *cliReadLine(linebuffer_t * __restrict buffer);
1.2.2.4   misho     363: 
                    364: /*
                    365:  * cliLoop() CLI main loop
                    366:  * @buffer = CLI buffer
                    367:  * @csHistFile = History file name
                    368:  * return: RETCODE_ERR error, RETCODE_OK ok
                    369: */
                    370: int cliLoop(linebuffer_t * __restrict buffer, const char *csHistFile);
                    371: /*
                    372:  * cliNetLoop() CLI network main loop binded to socket
                    373:  * @buffer = CLI buffer
                    374:  * @csHistFile = History file name
1.2       misho     375:  * @sock = client socket
                    376:  * @term = stdin termios
                    377:  * @win = window size of tty
1.2.2.4   misho     378:  * return: RETCODE_ERR error, RETCODE_OK ok
1.2       misho     379: */
1.2.2.12  misho     380: int cliNetLoop(linebuffer_t * __restrict buffer, const char *csHistFile, int sock);
1.1       misho     381: 
                    382: 
                    383: #endif

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