C++ parse_command函数代码示例

//.........这里部分代码省略.........
	
	if (setsid() == -1)
	{
		perror("[controld] setsid");
		return -1;
	}

	eventServer = new CEventServer;

	struct sockaddr_un servaddr;
	int clilen;
	memset(&servaddr, 0, sizeof(struct sockaddr_un));
	servaddr.sun_family = AF_UNIX;
	strcpy(servaddr.sun_path, CONTROLD_UDS_NAME);
	clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
	unlink(CONTROLD_UDS_NAME);

	//network-setup
	if ((listenfd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
	{
		perror("socket");
	}

	if ( bind(listenfd, (struct sockaddr*) &servaddr, clilen) <0 )
	{
		perror("[controld] bind failed...\n");
		exit(-1);
	}


	if (listen(listenfd, 5) !=0)
	{
		perror("[controld] listen failed...\n");
		exit( -1 );
	}

	//busyBox
	signal(SIGHUP,sig_catch);
	signal(SIGINT,sig_catch);
	signal(SIGQUIT,sig_catch);
	signal(SIGTERM,sig_catch);

	/* load configuration */
	config = new CConfigFile(',');

	if (!config->loadConfig(CONF_FILE))
	{
		/* set defaults if no configuration file exists */
		printf("[controld] %s not found\n", CONF_FILE);
	}


	settings.volume      = config->getInt32("volume", 100);
	settings.volume_avs  = config->getInt32("volume_avs", 100);
	settings.mute        = config->getBool("mute", false);
	settings.mute_avs    = config->getBool("mute_avs", false);
	settings.videooutput = config->getInt32("videooutput", 1); // fblk1 - rgb
	settings.videoformat = config->getInt32("videoformat", 2); // fnc2 - 4:3

	setBoxType(); // dummy set - liest den aktuellen Wert aus!

	watchDog = new CEventWatchDog();
	aspectRatioNotifier = new CControldAspectRatioNotifier();
	watchDog->registerNotifier(WDE_VIDEOMODE, aspectRatioNotifier);

	//init
	audioControl::setVolume(map_volume(settings.volume_avs, true));
	zapit.setVolume(map_volume(settings.volume, false), map_volume(settings.volume, false));
	lcdd.setVolume(settings.volume_avs);    // we could also display settings.volume at startup

	audioControl::setMute(settings.mute_avs);
	zapit.muteAudio(settings.mute);
	lcdd.setMute(settings.mute || settings.mute_avs);

	setvideooutput(settings.videooutput);
	setVideoFormat(settings.videoformat, false);


	try
	{
		struct CControld::Header rmessage;
		while(true)
		{
			connfd = accept(listenfd, (struct sockaddr*) &servaddr, (socklen_t*) &clilen);
			memset(&rmessage, 0, sizeof(rmessage));
			read(connfd,&rmessage,sizeof(rmessage));

			parse_command(connfd, &rmessage);
			close(connfd);
		}
	}
	catch (std::exception& e)
	{
		printf("[controld] caught std-exception in main-thread %s!\n", e.what());
	}
	catch (...)
	{
	    printf("[controld] caught exception in main-thread!\n");
  	}
}

/******************************************************************************
 *                                                                            *
 * Function: send_list_of_active_checks_json                                  *
 *                                                                            *
 * Purpose: send list of active checks to the host                            *
 *                                                                            *
 * Parameters: sock - open socket of server-agent connection                  *
 *             json - request buffer                                          *
 *                                                                            *
 * Return value:  SUCCEED - list of active checks sent succesfully            *
 *                FAIL - an error occured                                     *
 *                                                                            *
 * Author: Aleksander Vladishev                                               *
 *                                                                            *
 * Comments:                                                                  *
 *                                                                            *
 ******************************************************************************/
int	send_list_of_active_checks_json(zbx_sock_t *sock, struct zbx_json_parse *jp)
{
	char		host[HOST_HOST_LEN_MAX], *name_esc, params[MAX_STRING_LEN],
			pattern[MAX_STRING_LEN], tmp[32];
	DB_RESULT	result;
	DB_ROW		row;
	DB_ITEM		item;
	struct zbx_json	json;
	int		res = FAIL;
	zbx_uint64_t	hostid;
	char		error[MAX_STRING_LEN];

	char		**regexp = NULL;
	int		regexp_alloc = 32;
	int		regexp_num = 0, n;

	char		*sql = NULL;
	int		sql_alloc = 2048;
	int		sql_offset;

	zabbix_log(LOG_LEVEL_DEBUG, "In send_list_of_active_checks_json()");

	if (FAIL == zbx_json_value_by_name(jp, ZBX_PROTO_TAG_HOST, host, sizeof(host)))
	{
		zbx_snprintf(error, MAX_STRING_LEN, "%s", zbx_json_strerror());
		goto out;
	}

	if (FAIL == get_hostid_by_host(host, &hostid, error))
		goto out;

	regexp = zbx_malloc(regexp, regexp_alloc);
	sql = zbx_malloc(sql, sql_alloc);

	name_esc = DBdyn_escape_string(host);

	sql_offset = 0;
	zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, 1024,
			"select %s where i.hostid=h.hostid and h.status=%d and i.type=%d and h.hostid=" ZBX_FS_UI64
			" and h.proxy_hostid=0",
			ZBX_SQL_ITEM_SELECT,
			HOST_STATUS_MONITORED,
			ITEM_TYPE_ZABBIX_ACTIVE,
			hostid);

	if (0 != CONFIG_REFRESH_UNSUPPORTED)
		zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, 256, " and (i.status=%d or (i.status=%d and i.nextcheck<=%d))",
				ITEM_STATUS_ACTIVE, ITEM_STATUS_NOTSUPPORTED, time(NULL));
	else
		zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, 256, " and i.status=%d",
				ITEM_STATUS_ACTIVE);

	zbx_free(name_esc);

	zbx_json_init(&json, ZBX_JSON_STAT_BUF_LEN);
	zbx_json_addstring(&json, ZBX_PROTO_TAG_RESPONSE, ZBX_PROTO_VALUE_SUCCESS, ZBX_JSON_TYPE_STRING);
	zbx_json_addarray(&json, ZBX_PROTO_TAG_DATA);

	result = DBselect("%s", sql);

	while (NULL != (row = DBfetch(result)))
	{
		DBget_item_from_db(&item, row);

		zbx_json_addobject(&json, NULL);
		zbx_json_addstring(&json, ZBX_PROTO_TAG_KEY, item.key, ZBX_JSON_TYPE_STRING);
		if (0 != strcmp(item.key, item.key_orig))
			zbx_json_addstring(&json, ZBX_PROTO_TAG_KEY_ORIG, item.key_orig, ZBX_JSON_TYPE_STRING);
		zbx_snprintf(tmp, sizeof(tmp), "%d", item.delay);
		zbx_json_addstring(&json, ZBX_PROTO_TAG_DELAY, tmp, ZBX_JSON_TYPE_STRING);
		zbx_snprintf(tmp, sizeof(tmp), "%d", item.lastlogsize);
		zbx_json_addstring(&json, ZBX_PROTO_TAG_LOGLASTSIZE, tmp, ZBX_JSON_TYPE_STRING);
		zbx_json_close(&json);

		/* Special processing for log[] and eventlog[] items */
		do {	/* simple try realization */
			if (0 != strncmp(item.key, "log[", 4) && 0 != strncmp(item.key, "eventlog[", 9))
				break;

			if (2 != parse_command(item.key, NULL, 0, params, MAX_STRING_LEN))
				break;;
				
			if (0 != get_param(params, 2, pattern, sizeof(pattern)))
//.........这里部分代码省略.........

void client() {

	int consock, registerfd, server_sockfd, client_sockfd;
	int server_len, client_len;
	struct sockaddr_in server_address;
	struct sockaddr_in client_address;
	int result;
	char option[1024];

	// consock=connect_client(2);
	server_sockfd = socket(AF_INET, SOCK_STREAM, 0);
	server_address.sin_family = AF_INET;
	server_address.sin_addr.s_addr = htonl(INADDR_ANY);
	server_address.sin_port = htons(PORTNO);
	server_len = sizeof(server_address);
	bind(server_sockfd, (struct sockaddr *) &server_address, server_len);
	listen(server_sockfd, 5);

	//initializing readfds to sockfd.
	FD_ZERO(&readfds);

	FD_SET(server_sockfd, &readfds);

	FD_SET(0, &readfds);

	while (1) // waiting for client requests
	{

		int fd;

		int nread;
		char ch[1024];

		testfds = readfds;

		result = select(FD_SETSIZE, &testfds, (fd_set *) 0, (fd_set *) 0,
				(struct timeval *) 0);
		if (result <= 0) {
			perror("Error");
			exit(1);
		}

		if (FD_ISSET(0, &testfds)) {
			memset(option, '\0', 1024);
			fgets(option, 1024, stdin);
			option[strlen(option) - 1] = '\0';
			parse_command(option);

		}

		else {

			for (fd = 0; fd < FD_SETSIZE; fd++) {
				if (FD_ISSET(fd, &testfds)) {
					if (fd == server_sockfd)

					{
						client_sockfd = accept(server_sockfd,
								(struct sockaddr *) &client_address,
								&client_len);

						FD_SET(client_sockfd, &readfds);

					} else {
						memset(ch, 0, 100);
						ioctl(fd, FIONREAD, &nread);
						if (nread == 0 && fd != 0)

						{
							close(fd);
							int j;
							////finding the fd in client connection////
							for (j = 1; j < 4; j++) {

								if (mycon[j].confd == fd) {
									break;
								}
							}

							////terminate the connection
							terminate_con(mycon[j].con_id);
							FD_CLR(fd, &readfds);

							display_con();

						} else {
							char temp1[1024];
							memset(ch, 0, 1024);
							memset(temp1, 0, 1024);
							read(fd, &ch, sizeof(ch));
							strcpy(temp1, ch);
							char *reader;
							reader = strtok(temp1, " ");

							if (reader != NULL) {

								if (strcmp(reader, "send") == 0) {
									read_table(fd, ch);
									memset(ch, 0, 1024);

//.........这里部分代码省略.........

StompFrames StompCodec::loads(std::string& rxbuf)
{
    const char* p;
    char ch;
    std::string name, value;
    size_t n;
    StompFrames frames;

    const char *start = rxbuf.c_str();
    const char *end = rxbuf.c_str() + rxbuf.size();
    for (p = start; p != end; ++p) {
        ch = *p;
        switch (state_) {
        case State::SW_COMMAND_BEGIN:
            if (ch == CR || ch == LF) // heartbeat
                break;
            start = p;
            frame_ = std::make_shared<StompFrame>();
            state_ = State::SW_COMMAND;
            break;
        case State::SW_COMMAND:
            if (ch == LF) {
                n = p - start;
                if (*(p - 1) == CR) --n;
                frame_->cmd_ = parse_command(start, n);
                state_ = State::SW_HEADER_BEGIN;
            }
            break;
        case State::SW_HEADER_BEGIN:
            if (ch == CR) {
                if (*(p + 1) != LF)
                    goto dump_finish;
            } else if (ch == LF) {
                state_ = State::SW_BODY_BEGIN;
            } else {
                start = p;
                state_ = State::SW_HEADER_NAME;
            }
            break;
        case State::SW_HEADER_NAME:
            if (ch == ':') {
                n = p - start;
                if (n == 0)
                    goto dump_finish;
                else {
                    name.assign(start, n);
                    start = p + 1;
                    state_ = State::SW_HEADER_VALUE;
                }
            }
            break;
        case State::SW_HEADER_VALUE:
            if (ch == LF) {
                n = p - start;
                if (*(p - 1) == CR) --n;
                value.assign(start, n);
                frame_->set_header(name, value);
                state_ = State::SW_HEADER_BEGIN;
            }
            break;
        case State::SW_BODY_BEGIN:
            if (frame_->have_body()) {
                if (expect_body_len_ == 0)
                    expect_body_len_ = frame_->get_content_length();
                if (expect_body_len_ > 0) {
                    size_t remain = end - p;
                    if (remain > expect_body_len_) {
                        frame_->append_body(p, expect_body_len_);
                        frames.push_back(frame_);
                        state_ = State::SW_COMMAND_BEGIN;
                    } else {
                        frame_->append_body(p, remain);
                        expect_body_len_ -= remain;
                    }
                } else {
                    start = p;
                    state_ = State::SW_BODY;
                }
            } else 
                state_ = State::SW_COMMAND_BEGIN;
            break;
        case State::SW_BODY:
            if (ch == '\0') {
                n = p - start;
                frame_->append_body(start, n);
                frames.push_back(frame_);
                state_ = State::SW_COMMAND_BEGIN;
            }
            break;
        }
    }

    if (state_ == State::SW_BODY) {
        frame_->append_body(start, end - start);
        rxbuf.clear();
    } else
        rxbuf.erase(0, start - rxbuf.c_str());

dump_finish:
    return frames;
//.........这里部分代码省略.........

/* try to display help for current comand line
 */
static int help_command_line(tinysh_cmd_t *cmd, uchar *_str)
{
  uchar *str=_str;

  while(1)
    {
      int ret;
      ret=parse_command(&cmd,&str);
      if(ret==MATCH && *str==0) /* found unique match or empty line */
        {
          tinysh_cmd_t *cm;
          int len=0;

          if(cmd->child) /* display sub-commands help */
            {
              display_child_help(cmd->child);
              return 0;
            }
          else  /* no sub-command, show single help */
            {
              if(*(str-1)!=' ')
                putchar(' ');
              if(cmd->usage)
                puts(cmd->usage);
              puts(": ");
              if(cmd->help)
                puts(cmd->help);
              else
                puts("no help available");
              putchar('\n');
            }
          return 0;
        }
      else if(ret==MATCH && *str)
        { /* continue processing the line */
          cmd=cmd->child;
        }
      else if(ret==AMBIG)
        {
          puts("\nambiguity: ");
          puts(str);
          putchar('\n');
          return 0;
        }
      else if(ret==UNMATCH)
        {
          puts("\nno match: ");
          puts(str);
          putchar('\n');
          return 0;
        }
      else /* NULLMATCH */
        {
          if(cur_cmd_ctx)
            display_child_help(cur_cmd_ctx->child);
          else
            display_child_help(root_cmd);
          return 0;
        }
    }
}

//}}}
int main(int argc, char *argv[]){
	int init_port;
	int data_port;
	int ctrl_socket;
	int init_socket;
	pid_t p;
	int shmid_ctrl, shmid_mask, shmid_masklist; 

	int fd_s;
	struct sockaddr_in cli;
	char buffer[MAX_LENG];
	socklen_t cli_len = sizeof(cli);
	if(argc < 3){
		fprintf(stderr, "get_raw hostname, port");
		exit(1);
	}
	sscanf(argv[2],"%d", &init_port);

	shmid_ctrl = shmget(SHMKEY_CTRL, SHLEN_CTRL, PERMS|IPC_CREAT);  //share memory
	shmid_mask = shmget(SHMKEY_MASK, SHLEN_MASK, PERMS|IPC_CREAT);  //share memory
	shmid_masklist = shmget(SHMKEY_MASKLIST, SHLEN_MASKLIST, PERMS|IPC_CREAT);  //share memory

	ctrl = (char *) shmat(shmid_ctrl, NULL, 0);	
	mask = (char *) shmat(shmid_mask, NULL, 0);	
	masklist = (char *) shmat(shmid_masklist, NULL, 0);	

	init();
	data_port = get_data_socket_port(argv[1], init_port);
	ctrl_socket = tcp_server(CTRL_PORT);
	p = fork();

	if(p <0){
		fprintf(stderr, "fork error");
		exit(1);
	}
	if(p == 0){
		char buffer[MAX_LENG];	
		nice(3);
		read_raw(argv[1], data_port);
		exit(0);
	}
	nice(-1);
	while(1){
		if((fd_s = accept(ctrl_socket, (struct sockaddr*)&cli, &cli_len))<0){perror("ACCEPT error"); exit(1);}
		if (!fork()){
			read(fd_s, buffer, MAX_LENG);
			if(parse_command(buffer, fd_s) ==1){
				write(fd_s, "ok\r\n",4);
			}
			else
				write(fd_s, "error\r\n",7);
			exit(0);
			close(fd_s);	
		}
		close(fd_s);
		while(waitpid(-1,NULL, WNOHANG)>0);
	}
	close(ctrl_socket);


}

/**
* Process two commands in parallel, by creating two children.
*/
static bool do_in_parallel(command_t *cmd1, command_t *cmd2, int level, command_t *father)
{
  /* TODO execute cmd1 and cmd2 simultaneously */
  BOOL ret_1, ret_2;
  char* cmd;
  SECURITY_ATTRIBUTES sa_1;
  STARTUPINFO siStartupInfo_1;
  PROCESS_INFORMATION piProcessInfo_1;
  HANDLE hOutFile_1 = INVALID_HANDLE_VALUE;
  HANDLE hInFile_1 = INVALID_HANDLE_VALUE;
  HANDLE hErrFile_1 = INVALID_HANDLE_VALUE;

  SECURITY_ATTRIBUTES sa_2;
  STARTUPINFO siStartupInfo_2;
  PROCESS_INFORMATION piProcessInfo_2;
  HANDLE hOutFile_2 = INVALID_HANDLE_VALUE;
  HANDLE hInFile_2 = INVALID_HANDLE_VALUE;
  HANDLE hErrFile_2 = INVALID_HANDLE_VALUE;
  BOOL changed = FALSE;
  char buffer[100];
  int x;
  ZeroMemory(&sa_1, sizeof(SECURITY_ATTRIBUTES));
  sa_1.nLength = sizeof(SECURITY_ATTRIBUTES);
  sa_1.bInheritHandle = TRUE;

  ZeroMemory(&siStartupInfo_1, sizeof(siStartupInfo_1));
  ZeroMemory(&piProcessInfo_1, sizeof(piProcessInfo_1));

  siStartupInfo_1.cb = sizeof(siStartupInfo_1); 

  ZeroMemory(&sa_2, sizeof(SECURITY_ATTRIBUTES));
  sa_2.nLength = sizeof(SECURITY_ATTRIBUTES);
  sa_2.bInheritHandle = TRUE;

  ZeroMemory(&siStartupInfo_2, sizeof(siStartupInfo_2));
  ZeroMemory(&piProcessInfo_2, sizeof(piProcessInfo_2));

  siStartupInfo_2.cb = sizeof(siStartupInfo_2);

  if(cmd2->up != NULL){
    if(cmd2->up->op != OP_PARALLEL){
      return parse_command(cmd2->up, level, father, (void*)(0)) == 0;
    }
  }

  if(cmd1->scmd){
    redirrect_command(cmd1->scmd, &siStartupInfo_1, &hInFile_1, &hOutFile_1, &hErrFile_1);
    cmd = get_argv(cmd1->scmd);
    ret_1 = CreateProcess(NULL,
      (LPSTR)cmd,
      (LPSECURITY_ATTRIBUTES)&sa_1,
      NULL,
      TRUE,
      NORMAL_PRIORITY_CLASS,
      NULL,
      NULL,
      &siStartupInfo_1,
      &piProcessInfo_1);
    free(cmd);
  }

  if(cmd2->scmd){
    redirrect_command(cmd2->scmd, &siStartupInfo_2, &hInFile_2, &hOutFile_2, &hErrFile_2);
    cmd = get_argv(cmd2->scmd);
    ret_2 = CreateProcess(NULL,
      (LPSTR)cmd,
      (LPSECURITY_ATTRIBUTES)&sa_2,
      NULL,
      TRUE,
      NORMAL_PRIORITY_CLASS,
      NULL,
      NULL,
      &siStartupInfo_2,
      &piProcessInfo_2);
    free(cmd);
  }

  if(cmd1->scmd){
    if(ret_1 == FALSE){
      sprintf(buffer, "%s: No such file or directory\n", cmd);
      WriteFile(hErrFile_1, buffer, strlen(buffer), &x, NULL);
    }
    else{
      WaitForSingleObject(piProcessInfo_1.hProcess, INFINITE);
      GetExitCodeProcess(piProcessInfo_1.hProcess, &ret_1);

      CloseHandle(piProcessInfo_1.hProcess);
      CloseHandle(piProcessInfo_1.hThread);
    }
    close_handles(hInFile_1, hOutFile_1, hErrFile_1);
  }

  if(cmd2->scmd){
    if(ret_2 == FALSE){
      sprintf(buffer, "%s: No such file or directory\n", cmd);
      WriteFile(hErrFile_2, buffer, strlen(buffer), &x, NULL);
    }
//.........这里部分代码省略.........

int main(void) {
    
    bst_node_type *head;
    data_item_type *item;
    bst_stats_type stats;
    long value;
    char buffer[2048];  
    size_t size;
    char **args;
    int arg_count;
    int i;



    // loop forever receiving command strings from STDIN.
    while (1) {

        size=getline(buffer, sizeof(buffer));

        // ignore that a blank line was entered
        if (size==0)
            continue;

        // break the command into an array 
        arg_count=parse_command(buffer, '/', &args);

        if (arg_count == -1)
            continue;
        
        // add a new element to the database
        if (args[0][0]=='a' && arg_count==2 ) {

            // if the string to add is less than 10 chars, ignore the add command
            if (cgc_strlen(args[1]) < 10) {

                free(args);
                continue;
            }

            item=calloc(1, sizeof(data_item_type));

            if (!item) {

                printf("Unable to allocate memory\n");
                return(-1);
            }

            strncpy(item->name, args[1], sizeof(item->name)-1);
            item->next = 0;

            insert_node(&head, item, make_key_from_name);

        }
        // search for elements of the database
        else if (args[0][0]=='f' && arg_count==2) {

            find_matches(head, arg_count, args);

        }
        // delete an element from the database
        else if (args[0][0]=='d' && arg_count==2) {

            delete_matches(&head, arg_count, args);

        }
        // time to cgc_exit
        else if (args[0][0]=='x') {

            return(0);
        }
        // walk the database and show all entries
        else if (args[0][0]=='w' ) {

            walk_tree(head);
        }
        else if (args[0][0]=='s' ) {

            // clear the stats
            bzero(&stats, sizeof(stats));

            count_bst_stats(head, &stats);

            printf("# of Nodes: @d\n", stats.node_count);
            printf("\% left nodes: @d\n", stats.percent_left);
            printf("\% right nodes: @d\n", stats.percent_right);

        }
        
        free(args);
    }

int main (){
    int pid = 0;
    command_t cmd = {NULL, 0, {NULL}};
    char *commandline = (char *)NULL;
    char* username = NULL;
    config_t ag_config;
    int bg_cmd = AG_FALSE;
    char prompt[MAX_LINE_LEN];

    /* Sets the username */
    set_username (&username);

    /* Opens the syslog file */
    openlog (username, LOG_PID, LOG_USER);

    /* Parses the config files for data */
    parse_config (&ag_config, username);

    /* Initializes GNU Readline */
    initialize_readline(&ag_config);

    /*
     *   Main loop:
     *   - print prompt
     *   - read input and parse it
     *   - either a built-in command ("cd", "?" or "exit)
     *   - or a system command, in which case the program forks and executes it with execvp()
     */

    if (ag_config.welcome_message != NULL && strlen (ag_config.welcome_message) > 0) {
        fprintf (stdout, "\n%s\n\n", ag_config.welcome_message);
    }

    while (AG_TRUE){
	/* Set the prompt */
	get_prompt(prompt, MAX_LINE_LEN, username);

	/* 
	 * Read a line of input 
	 * commandline should be deallocated with free() 
	 */
	commandline = read_input (prompt);

        parse_command (commandline, &cmd);

        switch (get_cmd_code (cmd.name)){
            case EMPTY_CMD:
   	            break;

            case CD_CMD:
                change_directory (cmd.argv[1], ag_config.loglevel);
   	            break;

            case HELP_CMD:
                print_help(&ag_config);
   	            break;

            case ENV_CMD:
   	            print_env (cmd.argv[1]);
   	            break;

            case EXIT_CMD:
		free (commandline);
		commandline = (char *)NULL;
                closelog ();
   	            return 0;

            case OTHER_CMD:

                /* Determines whether the command should run in the bg or not */
                bg_cmd = runs_in_background (&cmd);
                pid = vfork();

   	            if (pid == 0){
                if (!check_validity (cmd, ag_config)){
                    if (ag_config.loglevel == 3)    syslog (LOG_NOTICE, "Using command: %s.", cmd.name);
                    execvp (cmd.argv[0], cmd.argv);
   	        	    fprintf (stderr, "%s: Could not execute command!\nType '?' for help.\n", cmd.name);
                    if (ag_config.loglevel >= 2)    syslog (LOG_NOTICE, "Could not execute: %s.", cmd.name);
                }else {
   	        	    fprintf (stdout, "Not allowed! \n");
                    if (ag_config.warnings >= 0)    decrease_warnings (&ag_config);
                    if (ag_config.loglevel >= 1)    syslog (LOG_ERR, "Trying to use forbidden command: %s.", cmd.name);
                }

                _exit(EXIT_FAILURE);
   	            }else if (pid < 0){
                    fprintf (stderr, "Error! ... Negative PID. God knows what that means ...\n");
                    if (ag_config.loglevel >= 1) syslog (LOG_ERR, "Negative PID. Using command: %s.", cmd.name);
   	            }else {
                    if (!bg_cmd)
                        wait (0);
   	            }
   	            break;
        }

	free (commandline);
	commandline = (char *)NULL;
    }

//.........这里部分代码省略.........

parse_info *parse (char *cmdline) {
  parse_info *result;
  int i = 0;
  int pos;
  int end = 0;
  char command[MAXLINE];
  int com_pos;
  int is_comm_proper = 0;

  if (cmdline[i] == '\n' && cmdline[i] == '\0')
    return NULL;

  result = malloc(sizeof(parse_info));
  if (result == NULL) {
    return NULL;
  }
  init_info(result);
  com_pos = 0;
  while (cmdline[i] != '\n' && cmdline[i] != '\0') {
    if (cmdline[i] == '&') {
      result->bool_background = 1;
      if (cmdline[i+1] != '\n' && cmdline[i+1] != '\0')
	fprintf(stderr, "Ignore anything beyond &.\n");
      break;
    }
    else if (cmdline[i] == '<') {
      result->bool_infile = 1;
      while (isspace(cmdline[++i]));
      pos = 0;
      while (cmdline[i] != '\0' && !isspace(cmdline[i])) {
	if (pos==FILE_MAX_SIZE) {
	  fprintf(stderr, "Error.The input redirection file name exceeds the size limit 40\n");
	  free_info(result);
	  return NULL;
	}
	result->in_file[pos++] = cmdline[i++];
      }
      result->in_file[pos]='\0';
      end =1;
      while (isspace(cmdline[i])) {
	if (cmdline[i] == '\n')
	  break;
	i++;
      }
    }
    else if (cmdline[i] == '>') {
      result->bool_outfile = 1;
      while (isspace(cmdline[++i]));
      pos = 0;
      while (cmdline[i] != '\0' && !isspace(cmdline[i])) {
	if (pos==FILE_MAX_SIZE) {
	  fprintf(stderr, "Error.The output redirection file name exceeds the size limit 40\n");
	  free_info(result);
	  return NULL;
	}
	result->out_file[pos++] = cmdline[i++];
      }
      result->out_file[pos]='\0';
      end =1;
      while (isspace(cmdline[i])) {
	if (cmdline[i] == '\n') 
	  break;
	i++;
      } 
    }
    else if (cmdline[i] == '|') {
      command[com_pos]='\0';
      is_comm_proper = parse_command(command, &result->com_array[result->pipe_num]);
      if (!is_comm_proper) {
	free_info(result);
	return NULL;
      }
      com_pos = 0;
      end = 0;
      result->pipe_num++;
      i++;
    }
    else {
      if (end == 1) {
		fprintf(stderr, "Error.Wrong format of input\n");
		free_info(result);
		return NULL;
      }
      if (com_pos == MAXLINE-1) {
		fprintf(stderr, "Error. The command length exceeds the limit 80\n");
		free_info(result);
		return NULL;
      }
      command[com_pos++] = cmdline[i++];
    }
  }
  command[com_pos]='\0';
  is_comm_proper = parse_command(command, &result->com_array[result->pipe_num]);
  if (!is_comm_proper) {
    free_info(result);
    return NULL;
  }
  //Result->pipeNum++;
  return result;
}

//.........这里部分代码省略.........
			if (0 == refresh_unsupported || dc_item.lastclock + refresh_unsupported > now)
			{
				DCconfig_clean_items(&dc_item, NULL, 1);
				continue;
			}
		}

		zabbix_log(LOG_LEVEL_DEBUG, "%s() Item '%s' was successfully found in the server cache. Sending.", __function_name, row[0]);

		ZBX_STRDUP(key, row[0]);
		substitute_key_macros(&key, NULL, &dc_item, NULL, MACRO_TYPE_ITEM_KEY, NULL, 0);

		DCconfig_clean_items(&dc_item, NULL, 1);

		zbx_json_addobject(&json, NULL);
		zbx_json_addstring(&json, ZBX_PROTO_TAG_KEY, key, ZBX_JSON_TYPE_STRING);
		if (0 != strcmp(key, row[0]))
			zbx_json_addstring(&json, ZBX_PROTO_TAG_KEY_ORIG, row[0], ZBX_JSON_TYPE_STRING);
		zbx_json_addstring(&json, ZBX_PROTO_TAG_DELAY, row[1], ZBX_JSON_TYPE_INT);
		/* The agent expects ALWAYS to have lastlogsize and mtime tags. Removing those would cause older agents to fail. */
		zbx_json_addstring(&json, ZBX_PROTO_TAG_LOGLASTSIZE, row[2], ZBX_JSON_TYPE_INT);
		zbx_json_addstring(&json, ZBX_PROTO_TAG_MTIME, row[3], ZBX_JSON_TYPE_INT);
		zbx_json_close(&json);

		/* special processing for log[] and logrt[] items */
		do {	/* simple try realization */

			/* log[filename,pattern,encoding,maxlinespersec] */
			/* logrt[filename_format,pattern,encoding,maxlinespersec] */

			if (0 != strncmp(key, "log[", 4) && 0 != strncmp(key, "logrt[", 6))
				break;

			if (2 != parse_command(key, NULL, 0, params, sizeof(params)))
				break;

			/* dealing with `pattern' parameter */
			if (0 == get_param(params, 2, pattern, sizeof(pattern)) &&
				*pattern == '@')
					add_regexp_name(&regexp, &regexp_alloc, &regexp_num, pattern + 1);
		} while (0);	/* simple try realization */

		/* special processing for eventlog[] items */
		do {	/* simple try realization */

			/* eventlog[filename,pattern,severity,source,logeventid,maxlinespersec] */

			if (0 != strncmp(key, "eventlog[", 9))
				break;

			if (2 != parse_command(key, NULL, 0, params, sizeof(params)))
				break;

			/* dealing with `pattern' parameter */
			if (0 == get_param(params, 2, pattern, sizeof(pattern)) &&
				*pattern == '@')
					add_regexp_name(&regexp, &regexp_alloc, &regexp_num, pattern + 1);

			/* dealing with `severity' parameter */
			if (0 == get_param(params, 3, key_severity, sizeof(key_severity)) &&
				*key_severity == '@')
					add_regexp_name(&regexp, &regexp_alloc, &regexp_num, key_severity + 1);

			/* dealing with `logeventid' parameter */
			if (0 == get_param(params, 5, key_logeventid, sizeof(key_logeventid)) &&
				*key_logeventid == '@')

int main(int argc, char **argv)
{
	int listenfd, connfd;
	struct sockaddr_un servaddr;
	int clilen;
	bool do_fork = true;
	bool no_wait = false;
	doLoop=true;

	dprintf("startup!!!\n\n");
	if(argc > 1)
	{
		for(int i = 1; i < argc; i++)
		{

			if(strncmp(argv[i], "-f", 2) == 0)
			{
				do_fork = false;
			}
			else if(strncmp(argv[i], "-w", 2) == 0)
			{
				no_wait=true;
			}
		}
	}

	if(do_fork)
	{
		switch(fork())
		{
			case -1:
				perror("[timerd] fork");
				return -1;
			case 0:
				break;
			default:
				return 0;
		}
		if(setsid() == -1)
		{
			perror("[timerd] setsid");
			return -1;
		}
	}

	memset(&servaddr, 0, sizeof(struct sockaddr_un));
	servaddr.sun_family = AF_UNIX;
	strcpy(servaddr.sun_path, TIMERD_UDS_NAME);
	clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
	unlink(TIMERD_UDS_NAME);

	//network-setup
	if((listenfd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
	{
		dperror("error while socket create");
	}

	if( bind(listenfd, (struct sockaddr*) &servaddr, clilen) <0 )
	{
		dperror("bind failed...");
		exit(-1);
	}

	if(listen(listenfd, 15) !=0)
	{
		perror("listen failed...");
		exit( -1 );
	}

	if(!no_wait)
	{
		// wait for correct date to be set...
		CSectionsdClient sectionsd;
		while(!sectionsd.getIsTimeSet())
			sleep(1);
	}
	loadTimersFromConfig();

	//startup Timer
	try
	{
		CBasicMessage::Header rmessage;
		while(doLoop)							  // wait for incomming messages
		{
			connfd = accept(listenfd, (struct sockaddr*) &servaddr, (socklen_t*) &clilen);
			memset(&rmessage, 0, sizeof(rmessage));
			read(connfd,&rmessage,sizeof(rmessage));
			parse_command(connfd, &rmessage);
			close(connfd);
		}
	}
	catch(std::exception& e)
	{
		dprintf("caught std-exception in main-thread %s!\n", e.what());
	}
	catch(...)
	{
		dprintf("caught exception in main-thread!\n");
	}
}

/******************************************************************************
 *                                                                            *
 * Function: process_trap_for_interface                                       *
 *                                                                            *
 * Purpose: add trap to all matching items for the specified interface        *
 *                                                                            *
 * Return value: SUCCEED - a matching item was found                          *
 *               FAIL - no matching item was found (including fallback items) *
 *                                                                            *
 * Author: Rudolfs Kreicbergs                                                 *
 *                                                                            *
 ******************************************************************************/
static int	process_trap_for_interface(zbx_uint64_t interfaceid, char *trap, zbx_timespec_t *ts)
{
    DC_ITEM			*items = NULL;
    char			cmd[MAX_STRING_LEN], params[MAX_STRING_LEN], regex[MAX_STRING_LEN],
                    error[ITEM_ERROR_LEN_MAX];
    size_t			num, i;
    int			ret = FAIL, fb = -1, *lastclocks = NULL, *errcodes = NULL;
    zbx_uint64_t		*itemids = NULL;
    unsigned char		*states = NULL;
    AGENT_RESULT		*results = NULL;
    zbx_vector_ptr_t	regexps;

    zbx_vector_ptr_create(&regexps);

    num = DCconfig_get_snmp_items_by_interfaceid(interfaceid, &items);

    itemids = zbx_malloc(itemids, sizeof(zbx_uint64_t) * num);
    states = zbx_malloc(states, sizeof(unsigned char) * num);
    lastclocks = zbx_malloc(lastclocks, sizeof(int) * num);
    errcodes = zbx_malloc(errcodes, sizeof(int) * num);
    results = zbx_malloc(results, sizeof(AGENT_RESULT) * num);

    for (i = 0; i < num; i++)
    {
        init_result(&results[i]);
        errcodes[i] = FAIL;

        items[i].key = zbx_strdup(items[i].key, items[i].key_orig);
        if (SUCCEED != substitute_key_macros(&items[i].key, NULL, &items[i], NULL,
                                             MACRO_TYPE_ITEM_KEY, error, sizeof(error)))
        {
            SET_MSG_RESULT(&results[i], zbx_strdup(NULL, error));
            errcodes[i] = NOTSUPPORTED;
            continue;
        }

        if (0 == strcmp(items[i].key, "snmptrap.fallback"))
        {
            fb = i;
            continue;
        }

        if (ZBX_COMMAND_ERROR == parse_command(items[i].key, cmd, sizeof(cmd), params, sizeof(params)))
            continue;

        if (0 != strcmp(cmd, "snmptrap"))
            continue;

        if (1 < num_param(params))
            continue;

        if (0 != get_param(params, 1, regex, sizeof(regex)))
            continue;

        if ('@' == *regex)
            DCget_expressions_by_name(&regexps, regex + 1);

        if (SUCCEED != regexp_match_ex(&regexps, trap, regex, ZBX_CASE_SENSITIVE))
            continue;

        if (SUCCEED == set_result_type(&results[i], items[i].value_type, items[i].data_type, trap))
            errcodes[i] = SUCCEED;
        else
            errcodes[i] = NOTSUPPORTED;
        ret = SUCCEED;
    }

    if (FAIL == ret && -1 != fb)
    {
        if (SUCCEED == set_result_type(&results[fb], items[fb].value_type, items[fb].data_type, trap))
            errcodes[fb] = SUCCEED;
        else
            errcodes[fb] = NOTSUPPORTED;
        ret = SUCCEED;
    }

    for (i = 0; i < num; i++)
    {
        switch (errcodes[i])
        {
        case SUCCEED:
            if (ITEM_VALUE_TYPE_LOG == items[i].value_type)
            {
                calc_timestamp(results[i].logs[0]->value, &results[i].logs[0]->timestamp,
                               items[i].logtimefmt);
            }

            items[i].state = ITEM_STATE_NORMAL;
//.........这里部分代码省略.........

int main(int argc, char *argv[])
{
    struct GModule *module;
    struct GParams *params;

    int i, ret;
    int red, grn, blu;
    float size;
    double vp_height, z_exag;	/* calculated viewpoint height, z-exag */
    int width, height;		/* output image size */
    char *output_name;

    nv_data data;
    struct render_window *offscreen;

    /* initialize GRASS */
    G_gisinit(argv[0]);

    module = G_define_module();
    G_add_keyword(_("visualization"));
    G_add_keyword(_("graphics"));
    G_add_keyword(_("raster"));
    G_add_keyword(_("vector"));
    G_add_keyword(_("raster3d"));
    module->label = _("Creates a 3D rendering of GIS data.");
    module->description = _("Renders surfaces (raster data), "
			    "2D/3D vector data, and "
			    "volumes (3D raster data) in 3D.");

    params = (struct GParams *)G_malloc(sizeof(struct GParams));

    /* define options, call G_parser() */
    parse_command(argc, argv, params);

    /* check parameters consistency */
    check_parameters(params);

    width = atoi(params->size->answers[0]);
    height = atoi(params->size->answers[1]);
    G_asprintf(&output_name, "%s.%s", params->output->answer,
	       params->format->answer);

    GS_libinit();
    GVL_libinit();

    GS_set_swap_func(swap_gl);

    /* define render window */
    offscreen = Nviz_new_render_window();
    Nviz_init_render_window(offscreen);
    if (Nviz_create_render_window(offscreen, NULL, width, height) == -1)
	G_fatal_error(_("Unable to render data"));
    Nviz_make_current_render_window(offscreen);

    /* initialize nviz data */
    Nviz_init_data(&data);

    /* define default attributes for map objects */
    Nviz_set_surface_attr_default();

    /* set background color */
    Nviz_set_bgcolor(&data, Nviz_color_from_str(params->bgcolor->answer));

    /* init view, lights */
    Nviz_init_view(&data);

    /* load raster maps (surface topography) & set attributes (map/constant) */
    load_rasters(params, &data);

    /* set draw mode of loaded surfaces */
    surface_set_draw_mode(params);

    /* load line vector maps */
    if (params->vlines->answer) {
	load_vlines(params, &data);
	/* set attributes of 2d lines */
	vlines_set_attrb(params);
    }

    /* load point vector maps */
    if (params->vpoints->answer) {
	load_vpoints(params, &data);
	/* set attributes for points */
	vpoints_set_attrb(params);
    }

    /* load volumes */
    if (params->volume->answer) {
	load_rasters3d(params, &data);
    }

    /* define isosurfaces for displaying volumes */
    if (params->isosurf_level->answer) {
	add_isosurfs(params, &data);
    }

    /* define slices for displaying volumes */
    if (params->slice->answer) {
	add_slices(params, &data);
    }
//.........这里部分代码省略.........

int main(int argc, char *argv[])
{
    struct server_settings settings = {30000, 0, 1};
    handle_arguments(argc, argv, &settings);

    struct player_character hero;
    init_player_character(&hero);

    char stat_buffer[256];

    randomize_player_character_stats(&hero);
    snprintf(stat_buffer, 255, "STR - %i\r\nDEX - %i\r\nCON - %i\r\n", hero.strength, hero.dexterity, hero.constitution);

    if (catch_signal(SIGINT, handle_shutdown) == -1) {
        error("Can't set the interrupt handler");
    } else if (settings.verbose) {
        puts("Interrupt handler set");
    }

    listener_d = open_listener_socket();
    bind_to_port(listener_d, settings.port_number);

    if (listen(listener_d, 10) == -1) {
        error("Can't listen");
    } else if (settings.verbose) {
        printf("Listening on port %i", settings.port_number);
    }

    struct sockaddr_storage client_addr;
    unsigned int address_size = sizeof(client_addr);
    if (settings.verbose) {
        puts("Waiting for connection");
    }

    while(1) {
        int connect_d = accept(listener_d, (struct sockaddr *)&client_addr, &address_size);
        if (connect_d == -1) {
            error("Can't open secondary socket");
        } else if (settings.verbose) {
            puts("New connection started");
        }

        if (!fork()) {
            close(listener_d); char input_buffer[512];
            char output_buffer[512];
            char send_buffer[512];
            char action_buffer[3];
            

            send_version(connect_d);

            while (1) {
                get_command(connect_d, action_buffer);
                puts(action_buffer);
                if (action_buffer[0] == 's') {
                    puts("opening chat buffer");
                    listen_to_client(connect_d, input_buffer);
                    parse_command(input_buffer, output_buffer);
                    sprintf(send_buffer, "You said: \"%s\"\r\n", output_buffer);
                    puts(send_buffer);
                    send_to_client(connect_d, send_buffer);
                } else {
                    handle_user_command(connect_d, action_buffer);
                }
            }

            close(connect_d);
            exit(0);
        }
        close(connect_d);
    }

    return 0;
}