functions.inc.php

最近在做软交换时研究的一个软交换的东东

		$fmt = str_replace("'", "''", $txt);
		$fmt = "'" . $fmt . "'";
	} else {
		$fmt = 'null';
	}

	return $fmt;
}

//tell application we need to reload asterisk
function needreload() {
	global $db;
	$sql = "UPDATE admin SET value = 'true' WHERE variable = 'need_reload'"; 
	$result = $db->query($sql); 
	if(DB::IsError($result)) {     
		die($result->getMessage()); 
	}
}

//get the version number
function getversion() {
	global $db;
	$sql = "SELECT value FROM admin WHERE variable = 'version'";
	$results = $db->getAll($sql);
	if(DB::IsError($results)) {
		die($results->getMessage());
	}
	return $results;
}

// draw list for users and devices with paging
function drawListMenu($results, $skip, $dispnum, $extdisplay, $description) {
	$perpage=20;
	
	$skipped = 0;
	$index = 0;
	if ($skip == "") $skip = 0;
 	echo "<li><a id=\"".($extdisplay=='' ? 'current':'')."\" href=\"config.php?display=".$dispnum."\">"._("Add")." ".$description."</a></li>";

	if (isset($results)) {
	 
			foreach ($results AS $key=>$result) {
				if ($index >= $perpage) {
					$shownext= 1;
					break;
					}
				if ($skipped<$skip && $skip!= 0) {
					$skipped= $skipped + 1;
					continue;
					}
				$index= $index + 1;
	 
				echo "<li><a id=\"".($extdisplay==$result[0] ? 'current':'')."\" href=\"config.php?display=".$dispnum."&extdisplay={$result[0]}&skip={$skip}\">{$result[1]} <{$result[0]}></a></li>";
	 
	 }
	}
	 
	 if ($index >= $perpage) {
	 
	 print "<li><center>";
	 
	 }
	 
	 if ($skip) {
	 
		 $prevskip= $skip - $perpage;
		 if ($prevskip<0) $prevskip= 0;
		 $prevtag_pre= "<a href='?display=".$dispnum."&skip=$prevskip'>[PREVIOUS]</a>";
		 print "$prevtag_pre";
		 }
		 if (isset($shownext)) {
	 
			 $nextskip= $skip + $index;
			 if ($prevtag_pre) $prevtag .= " | ";
			 print "$prevtag <a href='?display=".$dispnum."&skip=$nextskip'>[NEXT]</a>";
			 }
		 elseif ($skip) {
			 print "$prevtag";
	  }
	 
	 print "</center></li>";
	
}

// this function simply makes a connection to the asterisk manager, and should be called by modules that require it (ie: dbput/dbget)
function checkAstMan() {
	require_once('common/php-asmanager.php');
	global $amp_conf;
	$astman = new AGI_AsteriskManager();
	if ($res = $astman->connect("127.0.0.1", $amp_conf["AMPMGRUSER"] , $amp_conf["AMPMGRPASS"])) {
		return $astman->disconnect();
	} else {
		echo "<h3>Cannot connect to Asterisk Manager with ".$amp_conf["AMPMGRUSER"]."/".$amp_conf["AMPMGRPASS"]."</h3>This module requires access to the Asterisk Manager.  Please ensure Asterisk is running and access to the manager is available.</div>";
		exit;
	}
}


/** Recursively read voicemail.conf (and any included files)
 * This function is called by getVoicemailConf()
 */
function parse_voicemailconf($filename, &$vmconf, &$section) {
	if (is_null($vmconf)) {
		$vmconf = array();
	}
	if (is_null($section)) {
		$section = "general";
	}
	
	if (file_exists($filename)) {
		$fd = fopen($filename, "r");
		while ($line = fgets($fd, 1024)) {
			if (preg_match("/^\s*(\d+)\s*=>\s*(\d*),(.*),(.*),(.*),(.*)\s*([;#].*)?/",$line,$matches)) {
				// "mailbox=>password,name,email,pager,options"
				// this is a voicemail line	
				$vmconf[$section][ $matches[1] ] = array("mailbox"=>$matches[1],
									"pwd"=>$matches[2],
									"name"=>$matches[3],
									"email"=>$matches[4],
									"pager"=>$matches[5],
									"options"=>array(),
									);
								
				// parse options
				//output($matches);
				foreach (explode("|",$matches[6]) as $opt) {
					$temp = explode("=",$opt);
					//output($temp);
					if (isset($temp[1])) {
						list($key,$value) = $temp;
						$vmconf[$section][ $matches[1] ]["options"][$key] = $value;
					}
				}
			} else if (preg_match("/^\s*(\d+)\s*=>\s*dup,(.*)\s*([;#].*)?/",$line,$matches)) {
				// "mailbox=>dup,name"
				// duplace name line
				$vmconf[$section][ $matches[1] ]["dups"][] = $matches[2];
			} else if (preg_match("/^\s*#include\s+(.*)\s*([;#].*)?/",$line,$matches)) {
				// include another file
				
				if ($matches[1][0] == "/") {
					// absolute path
					$filename = $matches[1];
				} else {
					// relative path
					$filename =  dirname($filename)."/".$matches[1];
				}
				
				parse_voicemailconf($filename, $vmconf, $section);
				
			} else if (preg_match("/^\s*\[(.+)\]/",$line,$matches)) {
				// section name
				$section = strtolower($matches[1]);
			} else if (preg_match("/^\s*([a-zA-Z0-9-_]+)\s*=\s*(.*?)\s*([;#].*)?$/",$line,$matches)) {
				// name = value
				// option line
				$vmconf[$section][ $matches[1] ] = $matches[2];
			}
		}
		fclose($fd);
	}
}

function getVoicemail() {
	$vmconf = null;
	$section = null;
	
	// yes, this is hardcoded.. is this a bad thing?
	parse_voicemailconf("/etc/asterisk/voicemail.conf", $vmconf, $section);
	
	return $vmconf;
}

/** Write the voicemail.conf file
 * This is called by saveVoicemail()
 * It's important to make a copy of $vmconf before passing it. Since this is a recursive function, has to
 * pass by reference. At the same time, it removes entries as it writes them to the file, so if you don't have
 * a copy, by the time it's done $vmconf will be empty.
*/
function write_voicemailconf($filename, &$vmconf, &$section, $iteration = 0) {
	if ($iteration == 0) {
		$section = null;
	}
	
	$output = array();
	
	if (file_exists($filename)) {
		$fd = fopen($filename, "r");
		while ($line = fgets($fd, 1024)) {
			if (preg_match("/^(\s*)(\d+)(\s*)=>(\s*)(\d*),(.*),(.*),(.*),(.*)(\s*[;#].*)?$/",$line,$matches)) {
				// "mailbox=>password,name,email,pager,options"
				// this is a voicemail line
				//DEBUG echo "\nmailbox";
				
				// make sure we have something as a comment
				if (!isset($matches[10])) {
					$matches[10] = "";
				}
				
				// $matches[1] [3] and [4] are to preserve indents/whitespace, we add these back in
				
				if (isset($vmconf[$section][ $matches[2] ])) {	
					// we have this one loaded
					// repopulate from our version
					$temp = & $vmconf[$section][ $matches[2] ];
					
					$options = array();
					foreach ($temp["options"] as $key=>$value) {
						$options[] = $key."=".$value;
					}
					
					$output[] = $matches[1].$temp["mailbox"].$matches[3]."=>".$matches[4].$temp["pwd"].",".$temp["name"].",".$temp["email"].",".$temp["pager"].",". implode("|",$options).$matches[10];
					
					// remove this one from $vmconf
					unset($vmconf[$section][ $matches[2] ]);
				} else {
					// we don't know about this mailbox, so it must be deleted
					// (and hopefully not JUST added since we did read_voiceamilconf)
					
					// do nothing
				}
				
			} else if (preg_match("/^(\s*)(\d+)(\s*)=>(\s*)dup,(.*)(\s*[;#].*)?$/",$line,$matches)) {
				// "mailbox=>dup,name"
				// duplace name line
				// leave it as-is (for now)
				//DEBUG echo "\ndup mailbox";
				$output[] = $line;
			} else if (preg_match("/^(\s*)#include(\s+)(.*)(\s*[;#].*)?$/",$line,$matches)) {
				// include another file
				//DEBUG echo "\ninclude ".$matches[3]."<blockquote>";
				
				// make sure we have something as a comment
				if (!isset($matches[4])) {
					$matches[4] = "";
				}
				
				if ($matches[3][0] == "/") {
					// absolute path
					$include_filename = $matches[3];
				} else {
					// relative path
					$include_filename =  dirname($filename)."/".$matches[3];
				}
				
				$output[] = $matches[1]."#include".$matches[2].$matches[3].$matches[4];
				write_voicemailconf($include_filename, $vmconf, $section, $iteration+1);
				
				//DEBUG echo "</blockquote>";
				
			} else if (preg_match("/^(\s*)\[(.+)\](\s*[;#].*)?$/",$line,$matches)) {
				// section name
				//DEBUG echo "\nsection";
				
				// make sure we have something as a comment
				if (!isset($matches[3])) {
					$matches[3] = "";
				}
				
				// check if this is the first run (section is null)
				if ($section !== null) {
					// we need to add any new entries here, before the section changes
					//DEBUG echo "<blockquote><i>";
					//DEBUG var_dump($vmconf[$section]);
					if (isset($vmconf[$section])){  //need this, or we get an error if we unset the last items in this section - should probably automatically remove the section/context from voicemail.conf
						foreach ($vmconf[$section] as $key=>$value) {
							if (is_array($value)) {
								// mailbox line
								
								$temp = & $vmconf[$section][ $key ];
								
								$options = array();
								foreach ($temp["options"] as $key1=>$value) {
									$options[] = $key1."=".$value;
								}
								
								$output[] = $temp["mailbox"]." => ".$temp["pwd"].",".$temp["name"].",".$temp["email"].",".$temp["pager"].",". implode("|",$options);
								
								// remove this one from $vmconf
								unset($vmconf[$section][ $key ]);
								
							} else {
								// option line
								
								$output[] = $key."=".$vmconf[$section][ $key ];
								
								// remove this one from $vmconf
								unset($vmconf[$section][ $key ]);
							}
						}
					} 
					//DEBUG echo "</i></blockquote>";
				}
				
				$section = strtolower($matches[2]);
				$output[] = $matches[1]."[".$section."]".$matches[3];
				$existing_sections[] = $section; //remember that this section exists

			} else if (preg_match("/^(\s*)([a-zA-Z0-9-_]+)(\s*)=(\s*)(.*?)(\s*[;#].*)?$/",$line,$matches)) {
				// name = value
				// option line
				//DEBUG echo "\noption line";
				
				
				// make sure we have something as a comment
				if (!isset($matches[6])) {
					$matches[6] = "";
				}
				
				if (isset($vmconf[$section][ $matches[2] ])) {
					$output[] = $matches[1].$matches[2].$matches[3]."=".$matches[4].$vmconf[$section][ $matches[2] ].$matches[6];
					
					// remove this one from $vmconf
					unset($vmconf[$section][ $matches[2] ]);
				} 
				// else it's been deleted, so we don't write it in
				
			} else {
				// unknown other line -- probably a comment or whitespace
				//DEBUG echo "\nother: ".$line;
				
				$output[] = str_replace(array("\n","\r"),"",$line); // str_replace so we don't double-space
			}
		}
		
		if ($iteration == 0) {
			// we need to add any new entries here, since it's the end of the file
			//DEBUG echo "END OF FILE!! <blockquote><i>";
			//DEBUG var_dump($vmconf);
			foreach (array_keys($vmconf) as $section) {
				if (!in_array($section,$existing_sections))  // If this is a new section, write the context label
					$output[] = "[".$section."]";
				foreach ($vmconf[$section] as $key=>$value) {
					if (is_array($value)) {
						// mailbox line
						
						$temp = & $vmconf[$section][ $key ];
						
						$options = array();
						foreach ($temp["options"] as $key=>$value) {
							$options[] = $key."=".$value;
						}
						
						$output[] = $temp["mailbox"]." => ".$temp["pwd"].",".$temp["name"].",".$temp["email"].",".$temp["pager"].",". implode("|",$options);
						
						// remove this one from $vmconf
						unset($vmconf[$section][ $key ]);