Ysurac /
FlightAirMap
@@ -29,31 +29,31 @@ discard block |
||
| 29 | 29 | |
| 30 | 30 | private function make_latf($temp) { // unsigned long |
| 31 | 31 | $flat = 0.0; // float |
| 32 | - $temp = $temp & 0x07FFFFFF; |
|
| 33 | - if ($temp & 0x04000000) { |
|
| 34 | - $temp = $temp ^ 0x07FFFFFF; |
|
| 32 | + $temp = $temp&0x07FFFFFF; |
|
| 33 | + if ($temp&0x04000000) { |
|
| 34 | + $temp = $temp^0x07FFFFFF; |
|
| 35 | 35 | $temp += 1; |
| 36 | - $flat = (float)($temp / (60.0 * 10000.0)); |
|
| 36 | + $flat = (float) ($temp/(60.0*10000.0)); |
|
| 37 | 37 | $flat *= -1.0; |
| 38 | - } else $flat = (float)($temp / (60.0 * 10000.0)); |
|
| 38 | + } else $flat = (float) ($temp/(60.0*10000.0)); |
|
| 39 | 39 | return $flat; // float |
| 40 | 40 | } |
| 41 | 41 | |
| 42 | 42 | private function make_lonf($temp) { // unsigned long |
| 43 | 43 | $flon = 0.0; // float |
| 44 | - $temp = $temp & 0x0FFFFFFF; |
|
| 45 | - if ($temp & 0x08000000) { |
|
| 46 | - $temp = $temp ^ 0x0FFFFFFF; |
|
| 44 | + $temp = $temp&0x0FFFFFFF; |
|
| 45 | + if ($temp&0x08000000) { |
|
| 46 | + $temp = $temp^0x0FFFFFFF; |
|
| 47 | 47 | $temp += 1; |
| 48 | - $flon = (float)($temp / (60.0 * 10000.0)); |
|
| 48 | + $flon = (float) ($temp/(60.0*10000.0)); |
|
| 49 | 49 | $flon *= -1.0; |
| 50 | - } else $flon = (float)($temp / (60.0 * 10000.0)); |
|
| 50 | + } else $flon = (float) ($temp/(60.0*10000.0)); |
|
| 51 | 51 | return $flon; |
| 52 | 52 | } |
| 53 | 53 | |
| 54 | 54 | private function ascii_2_dec($chr) { |
| 55 | - $dec=ord($chr);//get decimal ascii code |
|
| 56 | - $hex=dechex($dec);//convert decimal to hex |
|
| 55 | + $dec = ord($chr); //get decimal ascii code |
|
| 56 | + $hex = dechex($dec); //convert decimal to hex |
|
| 57 | 57 | return ($dec); |
| 58 | 58 | } |
| 59 | 59 | |
@@ -72,15 +72,15 @@ discard block |
||
| 72 | 72 | //only process in the following range: 48-87, 96-119 |
| 73 | 73 | if ($ascii < 48) { } |
| 74 | 74 | else { |
| 75 | - if($ascii>119) { } |
|
| 75 | + if ($ascii > 119) { } |
|
| 76 | 76 | else { |
| 77 | - if ($ascii>87 && $ascii<96) ; |
|
| 77 | + if ($ascii > 87 && $ascii < 96); |
|
| 78 | 78 | else { |
| 79 | - $ascii=$ascii+40; |
|
| 80 | - if ($ascii>128){ |
|
| 81 | - $ascii=$ascii+32; |
|
| 79 | + $ascii = $ascii + 40; |
|
| 80 | + if ($ascii > 128) { |
|
| 81 | + $ascii = $ascii + 32; |
|
| 82 | 82 | } else { |
| 83 | - $ascii=$ascii+40; |
|
| 83 | + $ascii = $ascii + 40; |
|
| 84 | 84 | } |
| 85 | 85 | } |
| 86 | 86 | } |
@@ -89,7 +89,7 @@ discard block |
||
| 89 | 89 | } |
| 90 | 90 | |
| 91 | 91 | private function dec_2_6bit($dec) { |
| 92 | - $bin=decbin($dec); |
|
| 92 | + $bin = decbin($dec); |
|
| 93 | 93 | return(substr($bin, -6)); |
| 94 | 94 | } |
| 95 | 95 | |
@@ -107,11 +107,11 @@ discard block |
||
| 107 | 107 | ); |
| 108 | 108 | // " |
| 109 | 109 | $rv = ''; |
| 110 | - if ($_size % 6 == 0) { |
|
| 111 | - $len = $_size / 6; |
|
| 112 | - for ($i=0; $i<$len; $i++) { |
|
| 113 | - $offset = $i * 6; |
|
| 114 | - $rv .= $ais_chars[ bindec(substr($_str,$_start + $offset,6)) ]; |
|
| 110 | + if ($_size%6 == 0) { |
|
| 111 | + $len = $_size/6; |
|
| 112 | + for ($i = 0; $i < $len; $i++) { |
|
| 113 | + $offset = $i*6; |
|
| 114 | + $rv .= $ais_chars[bindec(substr($_str, $_start + $offset, 6))]; |
|
| 115 | 115 | } |
| 116 | 116 | } |
| 117 | 117 | return $rv; |
@@ -138,93 +138,93 @@ discard block |
||
| 138 | 138 | $ro->eta_hour = ''; |
| 139 | 139 | $ro->eta_minute = ''; |
| 140 | 140 | $ro->ts = time(); |
| 141 | - $ro->id = bindec(substr($_aisdata,0,6)); |
|
| 142 | - $ro->mmsi = bindec(substr($_aisdata,8,30)); |
|
| 141 | + $ro->id = bindec(substr($_aisdata, 0, 6)); |
|
| 142 | + $ro->mmsi = bindec(substr($_aisdata, 8, 30)); |
|
| 143 | 143 | if ($ro->id >= 1 && $ro->id <= 3) { |
| 144 | - $ro->cog = bindec(substr($_aisdata,116,12))/10; |
|
| 145 | - $ro->sog = bindec(substr($_aisdata,50,10))/10; |
|
| 146 | - $ro->lon = $this->make_lonf(bindec(substr($_aisdata,61,28))); |
|
| 147 | - $ro->lat = $this->make_latf(bindec(substr($_aisdata,89,27))); |
|
| 144 | + $ro->cog = bindec(substr($_aisdata, 116, 12))/10; |
|
| 145 | + $ro->sog = bindec(substr($_aisdata, 50, 10))/10; |
|
| 146 | + $ro->lon = $this->make_lonf(bindec(substr($_aisdata, 61, 28))); |
|
| 147 | + $ro->lat = $this->make_latf(bindec(substr($_aisdata, 89, 27))); |
|
| 148 | 148 | $ro->cls = 1; // class A |
| 149 | 149 | } else if ($ro->id == 4) { |
| 150 | - $ro->lon = $this->make_lonf(bindec(substr($_aisdata,79,28))); |
|
| 151 | - $ro->lat = $this->make_latf(bindec(substr($_aisdata,107,27))); |
|
| 150 | + $ro->lon = $this->make_lonf(bindec(substr($_aisdata, 79, 28))); |
|
| 151 | + $ro->lat = $this->make_latf(bindec(substr($_aisdata, 107, 27))); |
|
| 152 | 152 | $ro->cls = 1; // class A |
| 153 | 153 | } else if ($ro->id == 5) { |
| 154 | - $ro->imo = bindec(substr($_aisdata,40,30)); |
|
| 155 | - $ro->callsign = $this->binchar($_aisdata,70,42); |
|
| 156 | - $ro->name = $this->binchar($_aisdata,112,120); |
|
| 157 | - $ro->typeid = bindec(substr($_aisdata,232,8)); |
|
| 154 | + $ro->imo = bindec(substr($_aisdata, 40, 30)); |
|
| 155 | + $ro->callsign = $this->binchar($_aisdata, 70, 42); |
|
| 156 | + $ro->name = $this->binchar($_aisdata, 112, 120); |
|
| 157 | + $ro->typeid = bindec(substr($_aisdata, 232, 8)); |
|
| 158 | 158 | $ro->type = $this->getShipType($ro->typeid); |
| 159 | 159 | //$ro->to_bow = bindec(substr($_aisdata,240,9)); |
| 160 | 160 | //$ro->to_stern = bindec(substr($_aisdata,249,9)); |
| 161 | 161 | //$ro->to_port = bindec(substr($_aisdata,258,6)); |
| 162 | 162 | //$ro->to_starboard = bindec(substr($_aisdata,264,6)); |
| 163 | - $ro->eta_month = bindec(substr($_aisdata,274,4)); |
|
| 164 | - $ro->eta_day = bindec(substr($_aisdata,278,5)); |
|
| 165 | - $ro->eta_hour = bindec(substr($_aisdata,283,5)); |
|
| 166 | - $ro->eta_minute = bindec(substr($_aisdata,288,6)); |
|
| 163 | + $ro->eta_month = bindec(substr($_aisdata, 274, 4)); |
|
| 164 | + $ro->eta_day = bindec(substr($_aisdata, 278, 5)); |
|
| 165 | + $ro->eta_hour = bindec(substr($_aisdata, 283, 5)); |
|
| 166 | + $ro->eta_minute = bindec(substr($_aisdata, 288, 6)); |
|
| 167 | 167 | //$ro->draught = bindec(substr($_aisdata,294,8)); |
| 168 | - $ro->destination = $this->binchar($_aisdata,302,120); |
|
| 168 | + $ro->destination = $this->binchar($_aisdata, 302, 120); |
|
| 169 | 169 | $ro->cls = 1; // class A |
| 170 | 170 | } else if ($ro->id == 9) { |
| 171 | 171 | // Search and Rescue aircraft position report |
| 172 | 172 | } else if ($ro->id == 18) { |
| 173 | - $ro->cog = bindec(substr($_aisdata,112,12))/10; |
|
| 174 | - $ro->sog = bindec(substr($_aisdata,46,10))/10; |
|
| 175 | - $ro->lon = $this->make_lonf(bindec(substr($_aisdata,57,28))); |
|
| 176 | - $ro->lat = $this->make_latf(bindec(substr($_aisdata,85,27))); |
|
| 177 | - $ro->heading = bindec(substr($_aisdata,124,9)); |
|
| 173 | + $ro->cog = bindec(substr($_aisdata, 112, 12))/10; |
|
| 174 | + $ro->sog = bindec(substr($_aisdata, 46, 10))/10; |
|
| 175 | + $ro->lon = $this->make_lonf(bindec(substr($_aisdata, 57, 28))); |
|
| 176 | + $ro->lat = $this->make_latf(bindec(substr($_aisdata, 85, 27))); |
|
| 177 | + $ro->heading = bindec(substr($_aisdata, 124, 9)); |
|
| 178 | 178 | if ($ro->heading == 511) $ro->heading = ''; |
| 179 | 179 | $ro->cls = 2; // class B |
| 180 | 180 | } else if ($ro->id == 19) { |
| 181 | - $ro->cog = bindec(substr($_aisdata,112,12))/10; |
|
| 182 | - $ro->sog = bindec(substr($_aisdata,46,10))/10; |
|
| 183 | - $ro->lon = $this->make_lonf(bindec(substr($_aisdata,61,28))); |
|
| 184 | - $ro->lat = $this->make_latf(bindec(substr($_aisdata,89,27))); |
|
| 185 | - $ro->name = $this->binchar($_aisdata,143,120); |
|
| 181 | + $ro->cog = bindec(substr($_aisdata, 112, 12))/10; |
|
| 182 | + $ro->sog = bindec(substr($_aisdata, 46, 10))/10; |
|
| 183 | + $ro->lon = $this->make_lonf(bindec(substr($_aisdata, 61, 28))); |
|
| 184 | + $ro->lat = $this->make_latf(bindec(substr($_aisdata, 89, 27))); |
|
| 185 | + $ro->name = $this->binchar($_aisdata, 143, 120); |
|
| 186 | 186 | $ro->cls = 2; // class B |
| 187 | - $ro->heading = bindec(substr($_aisdata,124,9)); |
|
| 187 | + $ro->heading = bindec(substr($_aisdata, 124, 9)); |
|
| 188 | 188 | if ($ro->heading == 511) $ro->heading = ''; |
| 189 | - $ro->typeid = bindec(substr($_aisdata,263,8)); |
|
| 189 | + $ro->typeid = bindec(substr($_aisdata, 263, 8)); |
|
| 190 | 190 | $ro->type = $this->getShipType($ro->typeid); |
| 191 | 191 | //$ro->to_bow = bindec(substr($_aisdata,271,9)); |
| 192 | 192 | //$ro->to_stern = bindec(substr($_aisdata,280,9)); |
| 193 | 193 | //$ro->to_port = bindec(substr($_aisdata,289,6)); |
| 194 | 194 | //$ro->to_starboard = bindec(substr($_aisdata,295,6)); |
| 195 | 195 | } else if ($ro->id == 21) { |
| 196 | - $ro->lon = $this->make_lonf(bindec(substr($_aisdata,164,28))); |
|
| 197 | - $ro->lat = $this->make_latf(bindec(substr($_aisdata,192,27))); |
|
| 198 | - $ro->name = $this->binchar($_aisdata,43,120); |
|
| 196 | + $ro->lon = $this->make_lonf(bindec(substr($_aisdata, 164, 28))); |
|
| 197 | + $ro->lat = $this->make_latf(bindec(substr($_aisdata, 192, 27))); |
|
| 198 | + $ro->name = $this->binchar($_aisdata, 43, 120); |
|
| 199 | 199 | //$ro->to_bow = bindec(substr($_aisdata,219,9)); |
| 200 | 200 | //$ro->to_stern = bindec(substr($_aisdata,228,9)); |
| 201 | 201 | //$ro->to_port = bindec(substr($_aisdata,237,6)); |
| 202 | 202 | //$ro->to_starboard = bindec(substr($_aisdata,243,6)); |
| 203 | 203 | $ro->cls = 2; // class B |
| 204 | 204 | } else if ($ro->id == 24) { |
| 205 | - $pn = bindec(substr($_aisdata,38,2)); |
|
| 205 | + $pn = bindec(substr($_aisdata, 38, 2)); |
|
| 206 | 206 | if ($pn == 0) { |
| 207 | - $ro->name = $this->binchar($_aisdata,40,120); |
|
| 207 | + $ro->name = $this->binchar($_aisdata, 40, 120); |
|
| 208 | 208 | } |
| 209 | - $ro->typeid = bindec(substr($_aisdata,40,8)); |
|
| 209 | + $ro->typeid = bindec(substr($_aisdata, 40, 8)); |
|
| 210 | 210 | $ro->type = $this->getShipType($ro->typeid); |
| 211 | - $ro->callsign = $this->binchar($_aisdata,90,42); |
|
| 211 | + $ro->callsign = $this->binchar($_aisdata, 90, 42); |
|
| 212 | 212 | //$ro->to_bow = bindec(substr($_aisdata,132,9)); |
| 213 | 213 | //$ro->to_stern = bindec(substr($_aisdata,141,9)); |
| 214 | 214 | //$ro->to_port = bindec(substr($_aisdata,150,6)); |
| 215 | 215 | //$ro->to_starboard = bindec(substr($_aisdata,156,6)); |
| 216 | 216 | $ro->cls = 2; // class B |
| 217 | 217 | } else if ($ro->id == 27) { |
| 218 | - $ro->cog = bindec(substr($_aisdata,85,9)); |
|
| 218 | + $ro->cog = bindec(substr($_aisdata, 85, 9)); |
|
| 219 | 219 | if ($ro->cog == 511) $ro->cog = 0.0; |
| 220 | - $ro->sog = bindec(substr($_aisdata,79,6)); |
|
| 220 | + $ro->sog = bindec(substr($_aisdata, 79, 6)); |
|
| 221 | 221 | if ($ro->sog == 63) $ro->sog = 0.0; |
| 222 | - $ro->lon = $this->make_lonf(bindec(substr($_aisdata,44,18))*10); |
|
| 223 | - $ro->lat = $this->make_latf(bindec(substr($_aisdata,62,17))*10); |
|
| 222 | + $ro->lon = $this->make_lonf(bindec(substr($_aisdata, 44, 18))*10); |
|
| 223 | + $ro->lat = $this->make_latf(bindec(substr($_aisdata, 62, 17))*10); |
|
| 224 | 224 | $ro->cls = 1; // class A |
| 225 | 225 | |
| 226 | 226 | } |
| 227 | - $ro->statusid = bindec(substr($_aisdata,38,4)); |
|
| 227 | + $ro->statusid = bindec(substr($_aisdata, 38, 4)); |
|
| 228 | 228 | $ro->status = $this->getStatus($ro->statusid); |
| 229 | 229 | //var_dump($ro); // dump results here for demo purpose |
| 230 | 230 | return $ro; |
@@ -355,14 +355,14 @@ discard block |
||
| 355 | 355 | global $port; // tcpip port... |
| 356 | 356 | |
| 357 | 357 | static $debug_counter = 0; |
| 358 | - $aisdata168='';//six bit array of ascii characters |
|
| 358 | + $aisdata168 = ''; //six bit array of ascii characters |
|
| 359 | 359 | $ais_nmea_array = str_split($_itu); // convert to an array |
| 360 | 360 | foreach ($ais_nmea_array as $value) { |
| 361 | 361 | $dec = $this->ascii_2_dec($value); |
| 362 | 362 | $bit8 = $this->asciidec_2_8bit($dec); |
| 363 | 363 | $bit6 = $this->dec_2_6bit($bit8); |
| 364 | 364 | //echo $value ."-" .$bit6 .""; |
| 365 | - $aisdata168 .=$bit6; |
|
| 365 | + $aisdata168 .= $bit6; |
|
| 366 | 366 | } |
| 367 | 367 | //echo $aisdata168 . "<br/>"; |
| 368 | 368 | //return $this->decode_ais($aisdata168, $aux); |
@@ -385,20 +385,20 @@ discard block |
||
| 385 | 385 | // calculate checksum after ! till * |
| 386 | 386 | // assume 1st ! is valid |
| 387 | 387 | // find * ensure that it is at correct position |
| 388 | - $end = strrpos ( $rawdata , '*' ); |
|
| 388 | + $end = strrpos($rawdata, '*'); |
|
| 389 | 389 | if ($end === FALSE) return -1; // check for NULLS!!! |
| 390 | - $cs = substr( $rawdata, $end + 1 ); |
|
| 391 | - if ( strlen($cs) != 2 ) return -1; // correct cs length |
|
| 392 | - $dcs = (int)hexdec( $cs ); |
|
| 393 | - for ( $alias=1; $alias<$end; $alias++) $chksum ^= ord( $rawdata[$alias] ); // perform XOR for NMEA checksum |
|
| 394 | - if ( $chksum == $dcs ) { // NMEA checksum pass |
|
| 390 | + $cs = substr($rawdata, $end + 1); |
|
| 391 | + if (strlen($cs) != 2) return -1; // correct cs length |
|
| 392 | + $dcs = (int) hexdec($cs); |
|
| 393 | + for ($alias = 1; $alias < $end; $alias++) $chksum ^= ord($rawdata[$alias]); // perform XOR for NMEA checksum |
|
| 394 | + if ($chksum == $dcs) { // NMEA checksum pass |
|
| 395 | 395 | $pcs = explode(',', $rawdata); |
| 396 | 396 | // !AI??? identifier |
| 397 | - $num_seq = (int)$pcs[1]; // number of sequences |
|
| 398 | - $seq = (int)$pcs[2]; // get sequence |
|
| 397 | + $num_seq = (int) $pcs[1]; // number of sequences |
|
| 398 | + $seq = (int) $pcs[2]; // get sequence |
|
| 399 | 399 | // get msg sequence id |
| 400 | 400 | if ($pcs[3] == '') $msg_sid = -1; // non-multipart message, set to -1 |
| 401 | - else $msg_sid = (int)$pcs[3]; // multipart message |
|
| 401 | + else $msg_sid = (int) $pcs[3]; // multipart message |
|
| 402 | 402 | $ais_ch = $pcs[4]; // get AIS channel |
| 403 | 403 | // message sequence checking |
| 404 | 404 | if ($num_seq < 1 || $num_seq > 9) { |
@@ -431,7 +431,7 @@ discard block |
||
| 431 | 431 | } |
| 432 | 432 | } |
| 433 | 433 | $itu = $itu.$pcs[5]; // get itu message |
| 434 | - $filler += (int)$pcs[6][0]; // get filler |
|
| 434 | + $filler += (int) $pcs[6][0]; // get filler |
|
| 435 | 435 | if ($num_seq == 1 // valid single message |
| 436 | 436 | || $num_seq == $pseq // valid multi-part message |
| 437 | 437 | ) { |
@@ -451,13 +451,13 @@ discard block |
||
| 451 | 451 | $cbuf = $cbuf.$ibuf; |
| 452 | 452 | $last_pos = 0; |
| 453 | 453 | $result = new stdClass(); |
| 454 | - while ( ($start = strpos($cbuf,"VDM",$last_pos)) !== FALSE) { |
|
| 454 | + while (($start = strpos($cbuf, "VDM", $last_pos)) !== FALSE) { |
|
| 455 | 455 | //while ( ($start = strpos($cbuf,"!AI",$last_pos)) !== FALSE) { |
| 456 | 456 | //DEBUG echo $cbuf; |
| 457 | - if ( ($end = strpos($cbuf,"\r\n", $start)) !== FALSE) { //TBD need to trim? |
|
| 457 | + if (($end = strpos($cbuf, "\r\n", $start)) !== FALSE) { //TBD need to trim? |
|
| 458 | 458 | $tst = substr($cbuf, $start - 3, ($end - $start + 3)); |
| 459 | 459 | //DEBUG echo "[$start $end $tst]\n"; |
| 460 | - $result = $this->process_ais_raw( $tst, "" ); |
|
| 460 | + $result = $this->process_ais_raw($tst, ""); |
|
| 461 | 461 | $last_pos = $end + 1; |
| 462 | 462 | } else break; |
| 463 | 463 | } |
@@ -469,41 +469,41 @@ discard block |
||
| 469 | 469 | // incoming data from serial or IP comms |
| 470 | 470 | public function process_ais_line($cbuf) { |
| 471 | 471 | $result = new stdClass(); |
| 472 | - $start = strpos($cbuf,"VDM"); |
|
| 472 | + $start = strpos($cbuf, "VDM"); |
|
| 473 | 473 | $tst = substr($cbuf, $start - 3); |
| 474 | - $result = $this->process_ais_raw( $tst, "" ); |
|
| 474 | + $result = $this->process_ais_raw($tst, ""); |
|
| 475 | 475 | return $result; |
| 476 | 476 | } |
| 477 | 477 | |
| 478 | 478 | /* AIS Encoding |
| 479 | 479 | */ |
| 480 | - private function mk_ais_lat( $lat ) { |
|
| 480 | + private function mk_ais_lat($lat) { |
|
| 481 | 481 | //$lat = 1.2569; |
| 482 | - if ($lat<0.0) { |
|
| 482 | + if ($lat < 0.0) { |
|
| 483 | 483 | $lat = -$lat; |
| 484 | - $neg=true; |
|
| 485 | - } else $neg=false; |
|
| 484 | + $neg = true; |
|
| 485 | + } else $neg = false; |
|
| 486 | 486 | $latd = 0x00000000; |
| 487 | - $latd = intval ($lat * 600000.0); |
|
| 488 | - if ($neg==true) { |
|
| 487 | + $latd = intval($lat*600000.0); |
|
| 488 | + if ($neg == true) { |
|
| 489 | 489 | $latd = ~$latd; |
| 490 | - $latd+=1; |
|
| 490 | + $latd += 1; |
|
| 491 | 491 | $latd &= 0x07FFFFFF; |
| 492 | 492 | } |
| 493 | 493 | return $latd; |
| 494 | 494 | } |
| 495 | 495 | |
| 496 | - private function mk_ais_lon( $lon ) { |
|
| 496 | + private function mk_ais_lon($lon) { |
|
| 497 | 497 | //$lon = 103.851; |
| 498 | - if ($lon<0.0) { |
|
| 498 | + if ($lon < 0.0) { |
|
| 499 | 499 | $lon = -$lon; |
| 500 | - $neg=true; |
|
| 501 | - } else $neg=false; |
|
| 500 | + $neg = true; |
|
| 501 | + } else $neg = false; |
|
| 502 | 502 | $lond = 0x00000000; |
| 503 | - $lond = intval ($lon * 600000.0); |
|
| 504 | - if ($neg==true) { |
|
| 503 | + $lond = intval($lon*600000.0); |
|
| 504 | + if ($neg == true) { |
|
| 505 | 505 | $lond = ~$lond; |
| 506 | - $lond+=1; |
|
| 506 | + $lond += 1; |
|
| 507 | 507 | $lond &= 0x0FFFFFFF; |
| 508 | 508 | } |
| 509 | 509 | return $lond; |
@@ -511,8 +511,8 @@ discard block |
||
| 511 | 511 | |
| 512 | 512 | private function char2bin($name, $max_len) { |
| 513 | 513 | $len = strlen($name); |
| 514 | - if ($len > $max_len) $name = substr($name,0,$max_len); |
|
| 515 | - if ($len < $max_len) $pad = str_repeat('0', ($max_len - $len) * 6); |
|
| 514 | + if ($len > $max_len) $name = substr($name, 0, $max_len); |
|
| 515 | + if ($len < $max_len) $pad = str_repeat('0', ($max_len - $len)*6); |
|
| 516 | 516 | else $pad = ''; |
| 517 | 517 | $rv = ''; |
| 518 | 518 | $ais_chars = array( |
@@ -529,26 +529,26 @@ discard block |
||
| 529 | 529 | if ($_a) foreach ($_a as $_1) { |
| 530 | 530 | if (isset($ais_chars[$_1])) $dec = $ais_chars[$_1]; |
| 531 | 531 | else $dec = 0; |
| 532 | - $bin = str_pad(decbin( $dec ), 6, '0', STR_PAD_LEFT); |
|
| 532 | + $bin = str_pad(decbin($dec), 6, '0', STR_PAD_LEFT); |
|
| 533 | 533 | $rv .= $bin; |
| 534 | 534 | //echo "$_1 $dec ($bin)<br/>"; |
| 535 | 535 | } |
| 536 | 536 | return $rv.$pad; |
| 537 | 537 | } |
| 538 | 538 | |
| 539 | - private function mk_ais($_enc, $_part=1,$_total=1,$_seq='',$_ch='A') { |
|
| 539 | + private function mk_ais($_enc, $_part = 1, $_total = 1, $_seq = '', $_ch = 'A') { |
|
| 540 | 540 | $len_bit = strlen($_enc); |
| 541 | - $rem6 = $len_bit % 6; |
|
| 541 | + $rem6 = $len_bit%6; |
|
| 542 | 542 | $pad6_len = 0; |
| 543 | 543 | if ($rem6) $pad6_len = 6 - $rem6; |
| 544 | 544 | //echo $pad6_len.'<br>'; |
| 545 | 545 | $_enc .= str_repeat("0", $pad6_len); // pad the text... |
| 546 | - $len_enc = strlen($_enc) / 6; |
|
| 546 | + $len_enc = strlen($_enc)/6; |
|
| 547 | 547 | //echo $_enc.' '.$len_enc.'<br/>'; |
| 548 | 548 | $itu = ''; |
| 549 | - for ($i=0; $i<$len_enc; $i++) { |
|
| 550 | - $offset = $i * 6; |
|
| 551 | - $dec = bindec(substr($_enc,$offset,6)); |
|
| 549 | + for ($i = 0; $i < $len_enc; $i++) { |
|
| 550 | + $offset = $i*6; |
|
| 551 | + $dec = bindec(substr($_enc, $offset, 6)); |
|
| 552 | 552 | if ($dec < 40) $dec += 48; |
| 553 | 553 | else $dec += 56; |
| 554 | 554 | //echo chr($dec)." $dec<br/>"; |
@@ -558,15 +558,15 @@ discard block |
||
| 558 | 558 | $chksum = 0; |
| 559 | 559 | $itu = "AIVDM,$_part,$_total,$_seq,$_ch,".$itu.",0"; |
| 560 | 560 | $len_itu = strlen($itu); |
| 561 | - for ($i=0; $i<$len_itu; $i++) { |
|
| 562 | - $chksum ^= ord( $itu[$i] ); |
|
| 561 | + for ($i = 0; $i < $len_itu; $i++) { |
|
| 562 | + $chksum ^= ord($itu[$i]); |
|
| 563 | 563 | } |
| 564 | - $hex_arr = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'); |
|
| 565 | - $lsb = $chksum & 0x0F; |
|
| 566 | - if ($lsb >=0 && $lsb <= 15 ) $lsbc = $hex_arr[$lsb]; |
|
| 564 | + $hex_arr = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'); |
|
| 565 | + $lsb = $chksum&0x0F; |
|
| 566 | + if ($lsb >= 0 && $lsb <= 15) $lsbc = $hex_arr[$lsb]; |
|
| 567 | 567 | else $lsbc = '0'; |
| 568 | - $msb = (($chksum & 0xF0) >> 4) & 0x0F; |
|
| 569 | - if ($msb >=0 && $msb <= 15 ) $msbc = $hex_arr[$msb]; |
|
| 568 | + $msb = (($chksum&0xF0) >> 4)&0x0F; |
|
| 569 | + if ($msb >= 0 && $msb <= 15) $msbc = $hex_arr[$msb]; |
|
| 570 | 570 | else $msbc = '0'; |
| 571 | 571 | $itu = '!'.$itu."*{$msbc}{$lsbc}\r\n"; |
| 572 | 572 | return $itu; |
@@ -591,14 +591,14 @@ discard block |
||
| 591 | 591 | |
| 592 | 592 | public function mmsitype($mmsi) { |
| 593 | 593 | if (strlen($mmsi) == 9) { |
| 594 | - if (substr($mmsi,0,3) == '974') return 'EPIRB (Emergency Position Indicating Radio Beacon) AIS'; |
|
| 595 | - elseif (substr($mmsi,0,3) == '972') return 'MOB (Man Overboard) device'; |
|
| 596 | - elseif (substr($mmsi,0,3) == '970') return 'AIS SART (Search and Rescue Transmitter)'; |
|
| 597 | - elseif (substr($mmsi,0,3) == '111') return 'SAR (Search and Rescue) aircraft'; |
|
| 598 | - elseif (substr($mmsi,0,2) == '98') return 'Auxiliary craft associated with a parent ship'; |
|
| 599 | - elseif (substr($mmsi,0,2) == '99') return 'Aids to Navigation'; |
|
| 600 | - elseif (substr($mmsi,0,2) == '00') return 'Coastal stations'; |
|
| 601 | - elseif (substr($mmsi,0,1) == '0') return 'Group of ships'; |
|
| 594 | + if (substr($mmsi, 0, 3) == '974') return 'EPIRB (Emergency Position Indicating Radio Beacon) AIS'; |
|
| 595 | + elseif (substr($mmsi, 0, 3) == '972') return 'MOB (Man Overboard) device'; |
|
| 596 | + elseif (substr($mmsi, 0, 3) == '970') return 'AIS SART (Search and Rescue Transmitter)'; |
|
| 597 | + elseif (substr($mmsi, 0, 3) == '111') return 'SAR (Search and Rescue) aircraft'; |
|
| 598 | + elseif (substr($mmsi, 0, 2) == '98') return 'Auxiliary craft associated with a parent ship'; |
|
| 599 | + elseif (substr($mmsi, 0, 2) == '99') return 'Aids to Navigation'; |
|
| 600 | + elseif (substr($mmsi, 0, 2) == '00') return 'Coastal stations'; |
|
| 601 | + elseif (substr($mmsi, 0, 1) == '0') return 'Group of ships'; |
|
| 602 | 602 | else return 'Ship'; |
| 603 | 603 | } |
| 604 | 604 | |
@@ -609,19 +609,19 @@ discard block |
||
| 609 | 609 | global $globalDebug; |
| 610 | 610 | $result = array(); |
| 611 | 611 | $data = new stdClass(); |
| 612 | - $start = strpos($buffer,"VDM"); |
|
| 612 | + $start = strpos($buffer, "VDM"); |
|
| 613 | 613 | $tst = substr($buffer, $start - 3); |
| 614 | - $data = $this->process_ais_raw( $tst, "" ); |
|
| 614 | + $data = $this->process_ais_raw($tst, ""); |
|
| 615 | 615 | if (!is_object($data)) { |
| 616 | 616 | //if ($globalDebug) echo '==== Line format not supported : '.$buffer."\n"; |
| 617 | 617 | return array(); |
| 618 | 618 | } |
| 619 | 619 | if ($data->lon != 0) $result['longitude'] = $data->lon; |
| 620 | 620 | if ($data->lat != 0) $result['latitude'] = $data->lat; |
| 621 | - $result['ident'] = trim(str_replace('@','',$data->name)); |
|
| 621 | + $result['ident'] = trim(str_replace('@', '', $data->name)); |
|
| 622 | 622 | $result['timestamp'] = $data->ts; |
| 623 | 623 | $result['mmsi'] = $data->mmsi; |
| 624 | - if (strlen($result['mmsi']) == 8 && substr($result['mmsi'],0,3) == '669') $result['mmsi'] = '3'.$result['mmsi']; |
|
| 624 | + if (strlen($result['mmsi']) == 8 && substr($result['mmsi'], 0, 3) == '669') $result['mmsi'] = '3'.$result['mmsi']; |
|
| 625 | 625 | $result['mmsi_type'] = $this->mmsitype($result['mmsi']); |
| 626 | 626 | if ($data->sog != -1.0) $result['speed'] = $data->sog; |
| 627 | 627 | if ($data->heading != '') $result['heading'] = $data->heading; |
@@ -35,7 +35,9 @@ discard block |
||
| 35 | 35 | $temp += 1; |
| 36 | 36 | $flat = (float)($temp / (60.0 * 10000.0)); |
| 37 | 37 | $flat *= -1.0; |
| 38 | - } else $flat = (float)($temp / (60.0 * 10000.0)); |
|
| 38 | + } else { |
|
| 39 | + $flat = (float)($temp / (60.0 * 10000.0)); |
|
| 40 | + } |
|
| 39 | 41 | return $flat; // float |
| 40 | 42 | } |
| 41 | 43 | |
@@ -47,7 +49,9 @@ discard block |
||
| 47 | 49 | $temp += 1; |
| 48 | 50 | $flon = (float)($temp / (60.0 * 10000.0)); |
| 49 | 51 | $flon *= -1.0; |
| 50 | - } else $flon = (float)($temp / (60.0 * 10000.0)); |
|
| 52 | + } else { |
|
| 53 | + $flon = (float)($temp / (60.0 * 10000.0)); |
|
| 54 | + } |
|
| 51 | 55 | return $flon; |
| 52 | 56 | } |
| 53 | 57 | |
@@ -70,10 +74,8 @@ discard block |
||
| 70 | 74 | */ |
| 71 | 75 | private function asciidec_2_8bit($ascii) { |
| 72 | 76 | //only process in the following range: 48-87, 96-119 |
| 73 | - if ($ascii < 48) { } |
|
| 74 | - else { |
|
| 75 | - if($ascii>119) { } |
|
| 76 | - else { |
|
| 77 | + if ($ascii < 48) { } else { |
|
| 78 | + if($ascii>119) { } else { |
|
| 77 | 79 | if ($ascii>87 && $ascii<96) ; |
| 78 | 80 | else { |
| 79 | 81 | $ascii=$ascii+40; |
@@ -175,7 +177,9 @@ discard block |
||
| 175 | 177 | $ro->lon = $this->make_lonf(bindec(substr($_aisdata,57,28))); |
| 176 | 178 | $ro->lat = $this->make_latf(bindec(substr($_aisdata,85,27))); |
| 177 | 179 | $ro->heading = bindec(substr($_aisdata,124,9)); |
| 178 | - if ($ro->heading == 511) $ro->heading = ''; |
|
| 180 | + if ($ro->heading == 511) { |
|
| 181 | + $ro->heading = ''; |
|
| 182 | + } |
|
| 179 | 183 | $ro->cls = 2; // class B |
| 180 | 184 | } else if ($ro->id == 19) { |
| 181 | 185 | $ro->cog = bindec(substr($_aisdata,112,12))/10; |
@@ -185,7 +189,9 @@ discard block |
||
| 185 | 189 | $ro->name = $this->binchar($_aisdata,143,120); |
| 186 | 190 | $ro->cls = 2; // class B |
| 187 | 191 | $ro->heading = bindec(substr($_aisdata,124,9)); |
| 188 | - if ($ro->heading == 511) $ro->heading = ''; |
|
| 192 | + if ($ro->heading == 511) { |
|
| 193 | + $ro->heading = ''; |
|
| 194 | + } |
|
| 189 | 195 | $ro->typeid = bindec(substr($_aisdata,263,8)); |
| 190 | 196 | $ro->type = $this->getShipType($ro->typeid); |
| 191 | 197 | //$ro->to_bow = bindec(substr($_aisdata,271,9)); |
@@ -216,9 +222,13 @@ discard block |
||
| 216 | 222 | $ro->cls = 2; // class B |
| 217 | 223 | } else if ($ro->id == 27) { |
| 218 | 224 | $ro->cog = bindec(substr($_aisdata,85,9)); |
| 219 | - if ($ro->cog == 511) $ro->cog = 0.0; |
|
| 225 | + if ($ro->cog == 511) { |
|
| 226 | + $ro->cog = 0.0; |
|
| 227 | + } |
|
| 220 | 228 | $ro->sog = bindec(substr($_aisdata,79,6)); |
| 221 | - if ($ro->sog == 63) $ro->sog = 0.0; |
|
| 229 | + if ($ro->sog == 63) { |
|
| 230 | + $ro->sog = 0.0; |
|
| 231 | + } |
|
| 222 | 232 | $ro->lon = $this->make_lonf(bindec(substr($_aisdata,44,18))*10); |
| 223 | 233 | $ro->lat = $this->make_latf(bindec(substr($_aisdata,62,17))*10); |
| 224 | 234 | $ro->cls = 1; // class A |
@@ -267,88 +277,171 @@ discard block |
||
| 267 | 277 | } |
| 268 | 278 | |
| 269 | 279 | public function getShipType($code) { |
| 270 | - if ($code == 0) return 'Not available (default)'; |
|
| 271 | - elseif ($code >= 1 && $code <= 19) return 'Reserved for future use'; |
|
| 272 | - elseif ($code == 20) return 'Wing in ground (WIG), all ships of this type'; |
|
| 273 | - elseif ($code == 21) return 'Wing in ground (WIG), Hazardous category A'; |
|
| 274 | - elseif ($code == 22) return 'Wing in ground (WIG), Hazardous category B'; |
|
| 275 | - elseif ($code == 23) return 'Wing in ground (WIG), Hazardous category C'; |
|
| 276 | - elseif ($code == 24) return 'Wing in ground (WIG), Hazardous category D'; |
|
| 277 | - elseif ($code == 25) return 'Wing in ground (WIG), Reserved for future use'; |
|
| 278 | - elseif ($code == 26) return 'Wing in ground (WIG), Reserved for future use'; |
|
| 279 | - elseif ($code == 27) return 'Wing in ground (WIG), Reserved for future use'; |
|
| 280 | - elseif ($code == 28) return 'Wing in ground (WIG), Reserved for future use'; |
|
| 281 | - elseif ($code == 29) return 'Wing in ground (WIG), Reserved for future use'; |
|
| 282 | - elseif ($code == 30) return 'Fishing'; |
|
| 283 | - elseif ($code == 31) return 'Towing'; |
|
| 284 | - elseif ($code == 32) return 'Towing: length exceeds 200m or breadth exceeds 25m'; |
|
| 285 | - elseif ($code == 33) return 'Dredging or underwater ops'; |
|
| 286 | - elseif ($code == 34) return 'Diving ops'; |
|
| 287 | - elseif ($code == 35) return 'Military ops'; |
|
| 288 | - elseif ($code == 36) return 'Sailing'; |
|
| 289 | - elseif ($code == 37) return 'Pleasure Craft'; |
|
| 290 | - elseif ($code == 38) return 'Reserved'; |
|
| 291 | - elseif ($code == 39) return 'Reserved'; |
|
| 292 | - elseif ($code == 40) return 'High speed craft (HSC), all ships of this type'; |
|
| 293 | - elseif ($code == 41) return 'High speed craft (HSC), Hazardous category A'; |
|
| 294 | - elseif ($code == 42) return 'High speed craft (HSC), Hazardous category B'; |
|
| 295 | - elseif ($code == 43) return 'High speed craft (HSC), Hazardous category C'; |
|
| 296 | - elseif ($code == 44) return 'High speed craft (HSC), Hazardous category D'; |
|
| 297 | - elseif ($code == 45) return 'High speed craft (HSC), Reserved for future use'; |
|
| 298 | - elseif ($code == 46) return 'High speed craft (HSC), Reserved for future use'; |
|
| 299 | - elseif ($code == 47) return 'High speed craft (HSC), Reserved for future use'; |
|
| 300 | - elseif ($code == 48) return 'High speed craft (HSC), Reserved for future use'; |
|
| 301 | - elseif ($code == 49) return 'High speed craft (HSC), No additional information'; |
|
| 302 | - elseif ($code == 50) return 'Pilot Vessel'; |
|
| 303 | - elseif ($code == 51) return 'Search and Rescue vessel'; |
|
| 304 | - elseif ($code == 52) return 'Tug'; |
|
| 305 | - elseif ($code == 53) return 'Port Tender'; |
|
| 306 | - elseif ($code == 54) return 'Anti-pollution equipment'; |
|
| 307 | - elseif ($code == 55) return 'Law Enforcement'; |
|
| 308 | - elseif ($code == 56) return 'Spare - Local Vessel'; |
|
| 309 | - elseif ($code == 57) return 'Spare - Local Vessel'; |
|
| 310 | - elseif ($code == 58) return 'Medical Transport'; |
|
| 311 | - elseif ($code == 59) return 'Noncombatant ship according to RR Resolution No. 18'; |
|
| 312 | - elseif ($code == 60) return 'Passenger, all ships of this type'; |
|
| 313 | - elseif ($code == 61) return 'Passenger, Hazardous category A'; |
|
| 314 | - elseif ($code == 62) return 'Passenger, Hazardous category B'; |
|
| 315 | - elseif ($code == 63) return 'Passenger, Hazardous category C'; |
|
| 316 | - elseif ($code == 64) return 'Passenger, Hazardous category D'; |
|
| 317 | - elseif ($code == 65) return 'Passenger, Reserved for future use'; |
|
| 318 | - elseif ($code == 66) return 'Passenger, Reserved for future use'; |
|
| 319 | - elseif ($code == 67) return 'Passenger, Reserved for future use'; |
|
| 320 | - elseif ($code == 68) return 'Passenger, Reserved for future use'; |
|
| 321 | - elseif ($code == 69) return 'Passenger, No additional information'; |
|
| 322 | - elseif ($code == 70) return 'Cargo, all ships of this type'; |
|
| 323 | - elseif ($code == 71) return 'Cargo, Hazardous category A'; |
|
| 324 | - elseif ($code == 72) return 'Cargo, Hazardous category B'; |
|
| 325 | - elseif ($code == 73) return 'Cargo, Hazardous category C'; |
|
| 326 | - elseif ($code == 74) return 'Cargo, Hazardous category D'; |
|
| 327 | - elseif ($code == 75) return 'Cargo, Reserved for future use'; |
|
| 328 | - elseif ($code == 76) return 'Cargo, Reserved for future use'; |
|
| 329 | - elseif ($code == 77) return 'Cargo, Reserved for future use'; |
|
| 330 | - elseif ($code == 78) return 'Cargo, Reserved for future use'; |
|
| 331 | - elseif ($code == 79) return 'Cargo, No additional information'; |
|
| 332 | - elseif ($code == 80) return 'Tanker, all ships of this type'; |
|
| 333 | - elseif ($code == 81) return 'Tanker, Hazardous category A'; |
|
| 334 | - elseif ($code == 82) return 'Tanker, Hazardous category B'; |
|
| 335 | - elseif ($code == 83) return 'Tanker, Hazardous category C'; |
|
| 336 | - elseif ($code == 84) return 'Tanker, Hazardous category D'; |
|
| 337 | - elseif ($code == 85) return 'Tanker, Reserved for future use'; |
|
| 338 | - elseif ($code == 86) return 'Tanker, Reserved for future use'; |
|
| 339 | - elseif ($code == 87) return 'Tanker, Reserved for future use'; |
|
| 340 | - elseif ($code == 88) return 'Tanker, Reserved for future use'; |
|
| 341 | - elseif ($code == 89) return 'Tanker, No additional information'; |
|
| 342 | - elseif ($code == 90) return 'Other Type, all ships of this type'; |
|
| 343 | - elseif ($code == 91) return 'Other Type, Hazardous category A'; |
|
| 344 | - elseif ($code == 92) return 'Other Type, Hazardous category B'; |
|
| 345 | - elseif ($code == 93) return 'Other Type, Hazardous category C'; |
|
| 346 | - elseif ($code == 94) return 'Other Type, Hazardous category D'; |
|
| 347 | - elseif ($code == 95) return 'Other Type, Reserved for future use'; |
|
| 348 | - elseif ($code == 96) return 'Other Type, Reserved for future use'; |
|
| 349 | - elseif ($code == 97) return 'Other Type, Reserved for future use'; |
|
| 350 | - elseif ($code == 98) return 'Other Type, Reserved for future use'; |
|
| 351 | - elseif ($code == 99) return 'Other Type, no additional information'; |
|
| 280 | + if ($code == 0) { |
|
| 281 | + return 'Not available (default)'; |
|
| 282 | + } elseif ($code >= 1 && $code <= 19) { |
|
| 283 | + return 'Reserved for future use'; |
|
| 284 | + } elseif ($code == 20) { |
|
| 285 | + return 'Wing in ground (WIG), all ships of this type'; |
|
| 286 | + } elseif ($code == 21) { |
|
| 287 | + return 'Wing in ground (WIG), Hazardous category A'; |
|
| 288 | + } elseif ($code == 22) { |
|
| 289 | + return 'Wing in ground (WIG), Hazardous category B'; |
|
| 290 | + } elseif ($code == 23) { |
|
| 291 | + return 'Wing in ground (WIG), Hazardous category C'; |
|
| 292 | + } elseif ($code == 24) { |
|
| 293 | + return 'Wing in ground (WIG), Hazardous category D'; |
|
| 294 | + } elseif ($code == 25) { |
|
| 295 | + return 'Wing in ground (WIG), Reserved for future use'; |
|
| 296 | + } elseif ($code == 26) { |
|
| 297 | + return 'Wing in ground (WIG), Reserved for future use'; |
|
| 298 | + } elseif ($code == 27) { |
|
| 299 | + return 'Wing in ground (WIG), Reserved for future use'; |
|
| 300 | + } elseif ($code == 28) { |
|
| 301 | + return 'Wing in ground (WIG), Reserved for future use'; |
|
| 302 | + } elseif ($code == 29) { |
|
| 303 | + return 'Wing in ground (WIG), Reserved for future use'; |
|
| 304 | + } elseif ($code == 30) { |
|
| 305 | + return 'Fishing'; |
|
| 306 | + } elseif ($code == 31) { |
|
| 307 | + return 'Towing'; |
|
| 308 | + } elseif ($code == 32) { |
|
| 309 | + return 'Towing: length exceeds 200m or breadth exceeds 25m'; |
|
| 310 | + } elseif ($code == 33) { |
|
| 311 | + return 'Dredging or underwater ops'; |
|
| 312 | + } elseif ($code == 34) { |
|
| 313 | + return 'Diving ops'; |
|
| 314 | + } elseif ($code == 35) { |
|
| 315 | + return 'Military ops'; |
|
| 316 | + } elseif ($code == 36) { |
|
| 317 | + return 'Sailing'; |
|
| 318 | + } elseif ($code == 37) { |
|
| 319 | + return 'Pleasure Craft'; |
|
| 320 | + } elseif ($code == 38) { |
|
| 321 | + return 'Reserved'; |
|
| 322 | + } elseif ($code == 39) { |
|
| 323 | + return 'Reserved'; |
|
| 324 | + } elseif ($code == 40) { |
|
| 325 | + return 'High speed craft (HSC), all ships of this type'; |
|
| 326 | + } elseif ($code == 41) { |
|
| 327 | + return 'High speed craft (HSC), Hazardous category A'; |
|
| 328 | + } elseif ($code == 42) { |
|
| 329 | + return 'High speed craft (HSC), Hazardous category B'; |
|
| 330 | + } elseif ($code == 43) { |
|
| 331 | + return 'High speed craft (HSC), Hazardous category C'; |
|
| 332 | + } elseif ($code == 44) { |
|
| 333 | + return 'High speed craft (HSC), Hazardous category D'; |
|
| 334 | + } elseif ($code == 45) { |
|
| 335 | + return 'High speed craft (HSC), Reserved for future use'; |
|
| 336 | + } elseif ($code == 46) { |
|
| 337 | + return 'High speed craft (HSC), Reserved for future use'; |
|
| 338 | + } elseif ($code == 47) { |
|
| 339 | + return 'High speed craft (HSC), Reserved for future use'; |
|
| 340 | + } elseif ($code == 48) { |
|
| 341 | + return 'High speed craft (HSC), Reserved for future use'; |
|
| 342 | + } elseif ($code == 49) { |
|
| 343 | + return 'High speed craft (HSC), No additional information'; |
|
| 344 | + } elseif ($code == 50) { |
|
| 345 | + return 'Pilot Vessel'; |
|
| 346 | + } elseif ($code == 51) { |
|
| 347 | + return 'Search and Rescue vessel'; |
|
| 348 | + } elseif ($code == 52) { |
|
| 349 | + return 'Tug'; |
|
| 350 | + } elseif ($code == 53) { |
|
| 351 | + return 'Port Tender'; |
|
| 352 | + } elseif ($code == 54) { |
|
| 353 | + return 'Anti-pollution equipment'; |
|
| 354 | + } elseif ($code == 55) { |
|
| 355 | + return 'Law Enforcement'; |
|
| 356 | + } elseif ($code == 56) { |
|
| 357 | + return 'Spare - Local Vessel'; |
|
| 358 | + } elseif ($code == 57) { |
|
| 359 | + return 'Spare - Local Vessel'; |
|
| 360 | + } elseif ($code == 58) { |
|
| 361 | + return 'Medical Transport'; |
|
| 362 | + } elseif ($code == 59) { |
|
| 363 | + return 'Noncombatant ship according to RR Resolution No. 18'; |
|
| 364 | + } elseif ($code == 60) { |
|
| 365 | + return 'Passenger, all ships of this type'; |
|
| 366 | + } elseif ($code == 61) { |
|
| 367 | + return 'Passenger, Hazardous category A'; |
|
| 368 | + } elseif ($code == 62) { |
|
| 369 | + return 'Passenger, Hazardous category B'; |
|
| 370 | + } elseif ($code == 63) { |
|
| 371 | + return 'Passenger, Hazardous category C'; |
|
| 372 | + } elseif ($code == 64) { |
|
| 373 | + return 'Passenger, Hazardous category D'; |
|
| 374 | + } elseif ($code == 65) { |
|
| 375 | + return 'Passenger, Reserved for future use'; |
|
| 376 | + } elseif ($code == 66) { |
|
| 377 | + return 'Passenger, Reserved for future use'; |
|
| 378 | + } elseif ($code == 67) { |
|
| 379 | + return 'Passenger, Reserved for future use'; |
|
| 380 | + } elseif ($code == 68) { |
|
| 381 | + return 'Passenger, Reserved for future use'; |
|
| 382 | + } elseif ($code == 69) { |
|
| 383 | + return 'Passenger, No additional information'; |
|
| 384 | + } elseif ($code == 70) { |
|
| 385 | + return 'Cargo, all ships of this type'; |
|
| 386 | + } elseif ($code == 71) { |
|
| 387 | + return 'Cargo, Hazardous category A'; |
|
| 388 | + } elseif ($code == 72) { |
|
| 389 | + return 'Cargo, Hazardous category B'; |
|
| 390 | + } elseif ($code == 73) { |
|
| 391 | + return 'Cargo, Hazardous category C'; |
|
| 392 | + } elseif ($code == 74) { |
|
| 393 | + return 'Cargo, Hazardous category D'; |
|
| 394 | + } elseif ($code == 75) { |
|
| 395 | + return 'Cargo, Reserved for future use'; |
|
| 396 | + } elseif ($code == 76) { |
|
| 397 | + return 'Cargo, Reserved for future use'; |
|
| 398 | + } elseif ($code == 77) { |
|
| 399 | + return 'Cargo, Reserved for future use'; |
|
| 400 | + } elseif ($code == 78) { |
|
| 401 | + return 'Cargo, Reserved for future use'; |
|
| 402 | + } elseif ($code == 79) { |
|
| 403 | + return 'Cargo, No additional information'; |
|
| 404 | + } elseif ($code == 80) { |
|
| 405 | + return 'Tanker, all ships of this type'; |
|
| 406 | + } elseif ($code == 81) { |
|
| 407 | + return 'Tanker, Hazardous category A'; |
|
| 408 | + } elseif ($code == 82) { |
|
| 409 | + return 'Tanker, Hazardous category B'; |
|
| 410 | + } elseif ($code == 83) { |
|
| 411 | + return 'Tanker, Hazardous category C'; |
|
| 412 | + } elseif ($code == 84) { |
|
| 413 | + return 'Tanker, Hazardous category D'; |
|
| 414 | + } elseif ($code == 85) { |
|
| 415 | + return 'Tanker, Reserved for future use'; |
|
| 416 | + } elseif ($code == 86) { |
|
| 417 | + return 'Tanker, Reserved for future use'; |
|
| 418 | + } elseif ($code == 87) { |
|
| 419 | + return 'Tanker, Reserved for future use'; |
|
| 420 | + } elseif ($code == 88) { |
|
| 421 | + return 'Tanker, Reserved for future use'; |
|
| 422 | + } elseif ($code == 89) { |
|
| 423 | + return 'Tanker, No additional information'; |
|
| 424 | + } elseif ($code == 90) { |
|
| 425 | + return 'Other Type, all ships of this type'; |
|
| 426 | + } elseif ($code == 91) { |
|
| 427 | + return 'Other Type, Hazardous category A'; |
|
| 428 | + } elseif ($code == 92) { |
|
| 429 | + return 'Other Type, Hazardous category B'; |
|
| 430 | + } elseif ($code == 93) { |
|
| 431 | + return 'Other Type, Hazardous category C'; |
|
| 432 | + } elseif ($code == 94) { |
|
| 433 | + return 'Other Type, Hazardous category D'; |
|
| 434 | + } elseif ($code == 95) { |
|
| 435 | + return 'Other Type, Reserved for future use'; |
|
| 436 | + } elseif ($code == 96) { |
|
| 437 | + return 'Other Type, Reserved for future use'; |
|
| 438 | + } elseif ($code == 97) { |
|
| 439 | + return 'Other Type, Reserved for future use'; |
|
| 440 | + } elseif ($code == 98) { |
|
| 441 | + return 'Other Type, Reserved for future use'; |
|
| 442 | + } elseif ($code == 99) { |
|
| 443 | + return 'Other Type, no additional information'; |
|
| 444 | + } |
|
| 352 | 445 | } |
| 353 | 446 | |
| 354 | 447 | public function process_ais_itu($_itu, $_len, $_filler, $aux /*, $ais_ch*/) { |
@@ -386,19 +479,34 @@ discard block |
||
| 386 | 479 | // assume 1st ! is valid |
| 387 | 480 | // find * ensure that it is at correct position |
| 388 | 481 | $end = strrpos ( $rawdata , '*' ); |
| 389 | - if ($end === FALSE) return -1; // check for NULLS!!! |
|
| 482 | + if ($end === FALSE) { |
|
| 483 | + return -1; |
|
| 484 | + } |
|
| 485 | + // check for NULLS!!! |
|
| 390 | 486 | $cs = substr( $rawdata, $end + 1 ); |
| 391 | - if ( strlen($cs) != 2 ) return -1; // correct cs length |
|
| 487 | + if ( strlen($cs) != 2 ) { |
|
| 488 | + return -1; |
|
| 489 | + } |
|
| 490 | + // correct cs length |
|
| 392 | 491 | $dcs = (int)hexdec( $cs ); |
| 393 | - for ( $alias=1; $alias<$end; $alias++) $chksum ^= ord( $rawdata[$alias] ); // perform XOR for NMEA checksum |
|
| 492 | + for ( $alias=1; $alias<$end; $alias++) { |
|
| 493 | + $chksum ^= ord( $rawdata[$alias] ); |
|
| 494 | + } |
|
| 495 | + // perform XOR for NMEA checksum |
|
| 394 | 496 | if ( $chksum == $dcs ) { // NMEA checksum pass |
| 395 | 497 | $pcs = explode(',', $rawdata); |
| 396 | 498 | // !AI??? identifier |
| 397 | 499 | $num_seq = (int)$pcs[1]; // number of sequences |
| 398 | 500 | $seq = (int)$pcs[2]; // get sequence |
| 399 | 501 | // get msg sequence id |
| 400 | - if ($pcs[3] == '') $msg_sid = -1; // non-multipart message, set to -1 |
|
| 401 | - else $msg_sid = (int)$pcs[3]; // multipart message |
|
| 502 | + if ($pcs[3] == '') { |
|
| 503 | + $msg_sid = -1; |
|
| 504 | + } |
|
| 505 | + // non-multipart message, set to -1 |
|
| 506 | + else { |
|
| 507 | + $msg_sid = (int)$pcs[3]; |
|
| 508 | + } |
|
| 509 | + // multipart message |
|
| 402 | 510 | $ais_ch = $pcs[4]; // get AIS channel |
| 403 | 511 | // message sequence checking |
| 404 | 512 | if ($num_seq < 1 || $num_seq > 9) { |
@@ -459,10 +567,18 @@ discard block |
||
| 459 | 567 | //DEBUG echo "[$start $end $tst]\n"; |
| 460 | 568 | $result = $this->process_ais_raw( $tst, "" ); |
| 461 | 569 | $last_pos = $end + 1; |
| 462 | - } else break; |
|
| 570 | + } else { |
|
| 571 | + break; |
|
| 572 | + } |
|
| 573 | + } |
|
| 574 | + if ($last_pos > 0) { |
|
| 575 | + $cbuf = substr($cbuf, $last_pos); |
|
| 463 | 576 | } |
| 464 | - if ($last_pos > 0) $cbuf = substr($cbuf, $last_pos); // move... |
|
| 465 | - if (strlen($cbuf) > 1024) $cbuf = ""; // prevent overflow simple mode... |
|
| 577 | + // move... |
|
| 578 | + if (strlen($cbuf) > 1024) { |
|
| 579 | + $cbuf = ""; |
|
| 580 | + } |
|
| 581 | + // prevent overflow simple mode... |
|
| 466 | 582 | return $result; |
| 467 | 583 | } |
| 468 | 584 | |
@@ -482,7 +598,9 @@ discard block |
||
| 482 | 598 | if ($lat<0.0) { |
| 483 | 599 | $lat = -$lat; |
| 484 | 600 | $neg=true; |
| 485 | - } else $neg=false; |
|
| 601 | + } else { |
|
| 602 | + $neg=false; |
|
| 603 | + } |
|
| 486 | 604 | $latd = 0x00000000; |
| 487 | 605 | $latd = intval ($lat * 600000.0); |
| 488 | 606 | if ($neg==true) { |
@@ -498,7 +616,9 @@ discard block |
||
| 498 | 616 | if ($lon<0.0) { |
| 499 | 617 | $lon = -$lon; |
| 500 | 618 | $neg=true; |
| 501 | - } else $neg=false; |
|
| 619 | + } else { |
|
| 620 | + $neg=false; |
|
| 621 | + } |
|
| 502 | 622 | $lond = 0x00000000; |
| 503 | 623 | $lond = intval ($lon * 600000.0); |
| 504 | 624 | if ($neg==true) { |
@@ -511,9 +631,14 @@ discard block |
||
| 511 | 631 | |
| 512 | 632 | private function char2bin($name, $max_len) { |
| 513 | 633 | $len = strlen($name); |
| 514 | - if ($len > $max_len) $name = substr($name,0,$max_len); |
|
| 515 | - if ($len < $max_len) $pad = str_repeat('0', ($max_len - $len) * 6); |
|
| 516 | - else $pad = ''; |
|
| 634 | + if ($len > $max_len) { |
|
| 635 | + $name = substr($name,0,$max_len); |
|
| 636 | + } |
|
| 637 | + if ($len < $max_len) { |
|
| 638 | + $pad = str_repeat('0', ($max_len - $len) * 6); |
|
| 639 | + } else { |
|
| 640 | + $pad = ''; |
|
| 641 | + } |
|
| 517 | 642 | $rv = ''; |
| 518 | 643 | $ais_chars = array( |
| 519 | 644 | '@'=>0, 'A'=>1, 'B'=>2, 'C'=>3, 'D'=>4, 'E'=>5, 'F'=>6, 'G'=>7, 'H'=>8, 'I'=>9, |
@@ -526,9 +651,12 @@ discard block |
||
| 526 | 651 | ); |
| 527 | 652 | // " |
| 528 | 653 | $_a = str_split($name); |
| 529 | - if ($_a) foreach ($_a as $_1) { |
|
| 654 | + if ($_a) { |
|
| 655 | + foreach ($_a as $_1) { |
|
| 530 | 656 | if (isset($ais_chars[$_1])) $dec = $ais_chars[$_1]; |
| 531 | - else $dec = 0; |
|
| 657 | + } else { |
|
| 658 | + $dec = 0; |
|
| 659 | + } |
|
| 532 | 660 | $bin = str_pad(decbin( $dec ), 6, '0', STR_PAD_LEFT); |
| 533 | 661 | $rv .= $bin; |
| 534 | 662 | //echo "$_1 $dec ($bin)<br/>"; |
@@ -540,7 +668,9 @@ discard block |
||
| 540 | 668 | $len_bit = strlen($_enc); |
| 541 | 669 | $rem6 = $len_bit % 6; |
| 542 | 670 | $pad6_len = 0; |
| 543 | - if ($rem6) $pad6_len = 6 - $rem6; |
|
| 671 | + if ($rem6) { |
|
| 672 | + $pad6_len = 6 - $rem6; |
|
| 673 | + } |
|
| 544 | 674 | //echo $pad6_len.'<br>'; |
| 545 | 675 | $_enc .= str_repeat("0", $pad6_len); // pad the text... |
| 546 | 676 | $len_enc = strlen($_enc) / 6; |
@@ -549,8 +679,11 @@ discard block |
||
| 549 | 679 | for ($i=0; $i<$len_enc; $i++) { |
| 550 | 680 | $offset = $i * 6; |
| 551 | 681 | $dec = bindec(substr($_enc,$offset,6)); |
| 552 | - if ($dec < 40) $dec += 48; |
|
| 553 | - else $dec += 56; |
|
| 682 | + if ($dec < 40) { |
|
| 683 | + $dec += 48; |
|
| 684 | + } else { |
|
| 685 | + $dec += 56; |
|
| 686 | + } |
|
| 554 | 687 | //echo chr($dec)." $dec<br/>"; |
| 555 | 688 | $itu .= chr($dec); |
| 556 | 689 | } |
@@ -563,25 +696,41 @@ discard block |
||
| 563 | 696 | } |
| 564 | 697 | $hex_arr = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'); |
| 565 | 698 | $lsb = $chksum & 0x0F; |
| 566 | - if ($lsb >=0 && $lsb <= 15 ) $lsbc = $hex_arr[$lsb]; |
|
| 567 | - else $lsbc = '0'; |
|
| 699 | + if ($lsb >=0 && $lsb <= 15 ) { |
|
| 700 | + $lsbc = $hex_arr[$lsb]; |
|
| 701 | + } else { |
|
| 702 | + $lsbc = '0'; |
|
| 703 | + } |
|
| 568 | 704 | $msb = (($chksum & 0xF0) >> 4) & 0x0F; |
| 569 | - if ($msb >=0 && $msb <= 15 ) $msbc = $hex_arr[$msb]; |
|
| 570 | - else $msbc = '0'; |
|
| 705 | + if ($msb >=0 && $msb <= 15 ) { |
|
| 706 | + $msbc = $hex_arr[$msb]; |
|
| 707 | + } else { |
|
| 708 | + $msbc = '0'; |
|
| 709 | + } |
|
| 571 | 710 | $itu = '!'.$itu."*{$msbc}{$lsbc}\r\n"; |
| 572 | 711 | return $itu; |
| 573 | 712 | } |
| 574 | 713 | |
| 575 | 714 | public function parse($buffer) { |
| 576 | 715 | $data = $this->process_ais_buf($buffer); |
| 577 | - if (!is_object($data)) return array(); |
|
| 578 | - if ($data->lon != 0) $result['longitude'] = $data->lon; |
|
| 579 | - if ($data->lat != 0) $result['latitude'] = $data->lat; |
|
| 716 | + if (!is_object($data)) { |
|
| 717 | + return array(); |
|
| 718 | + } |
|
| 719 | + if ($data->lon != 0) { |
|
| 720 | + $result['longitude'] = $data->lon; |
|
| 721 | + } |
|
| 722 | + if ($data->lat != 0) { |
|
| 723 | + $result['latitude'] = $data->lat; |
|
| 724 | + } |
|
| 580 | 725 | $result['ident'] = trim($data->name); |
| 581 | 726 | $result['timestamp'] = $data->ts; |
| 582 | 727 | $result['mmsi'] = $data->mmsi; |
| 583 | - if ($data->sog != -1.0) $result['speed'] = $data->sog; |
|
| 584 | - if ($data->cog != 0) $result['heading'] = $data->cog; |
|
| 728 | + if ($data->sog != -1.0) { |
|
| 729 | + $result['speed'] = $data->sog; |
|
| 730 | + } |
|
| 731 | + if ($data->cog != 0) { |
|
| 732 | + $result['heading'] = $data->cog; |
|
| 733 | + } |
|
| 585 | 734 | /* |
| 586 | 735 | $ro->cls = 0; // AIS class undefined, also indicate unparsed msg |
| 587 | 736 | $ro->id = bindec(substr($_aisdata,0,6)); |
@@ -591,15 +740,25 @@ discard block |
||
| 591 | 740 | |
| 592 | 741 | public function mmsitype($mmsi) { |
| 593 | 742 | if (strlen($mmsi) == 9) { |
| 594 | - if (substr($mmsi,0,3) == '974') return 'EPIRB (Emergency Position Indicating Radio Beacon) AIS'; |
|
| 595 | - elseif (substr($mmsi,0,3) == '972') return 'MOB (Man Overboard) device'; |
|
| 596 | - elseif (substr($mmsi,0,3) == '970') return 'AIS SART (Search and Rescue Transmitter)'; |
|
| 597 | - elseif (substr($mmsi,0,3) == '111') return 'SAR (Search and Rescue) aircraft'; |
|
| 598 | - elseif (substr($mmsi,0,2) == '98') return 'Auxiliary craft associated with a parent ship'; |
|
| 599 | - elseif (substr($mmsi,0,2) == '99') return 'Aids to Navigation'; |
|
| 600 | - elseif (substr($mmsi,0,2) == '00') return 'Coastal stations'; |
|
| 601 | - elseif (substr($mmsi,0,1) == '0') return 'Group of ships'; |
|
| 602 | - else return 'Ship'; |
|
| 743 | + if (substr($mmsi,0,3) == '974') { |
|
| 744 | + return 'EPIRB (Emergency Position Indicating Radio Beacon) AIS'; |
|
| 745 | + } elseif (substr($mmsi,0,3) == '972') { |
|
| 746 | + return 'MOB (Man Overboard) device'; |
|
| 747 | + } elseif (substr($mmsi,0,3) == '970') { |
|
| 748 | + return 'AIS SART (Search and Rescue Transmitter)'; |
|
| 749 | + } elseif (substr($mmsi,0,3) == '111') { |
|
| 750 | + return 'SAR (Search and Rescue) aircraft'; |
|
| 751 | + } elseif (substr($mmsi,0,2) == '98') { |
|
| 752 | + return 'Auxiliary craft associated with a parent ship'; |
|
| 753 | + } elseif (substr($mmsi,0,2) == '99') { |
|
| 754 | + return 'Aids to Navigation'; |
|
| 755 | + } elseif (substr($mmsi,0,2) == '00') { |
|
| 756 | + return 'Coastal stations'; |
|
| 757 | + } elseif (substr($mmsi,0,1) == '0') { |
|
| 758 | + return 'Group of ships'; |
|
| 759 | + } else { |
|
| 760 | + return 'Ship'; |
|
| 761 | + } |
|
| 603 | 762 | } |
| 604 | 763 | |
| 605 | 764 | |
@@ -616,25 +775,48 @@ discard block |
||
| 616 | 775 | //if ($globalDebug) echo '==== Line format not supported : '.$buffer."\n"; |
| 617 | 776 | return array(); |
| 618 | 777 | } |
| 619 | - if ($data->lon != 0) $result['longitude'] = $data->lon; |
|
| 620 | - if ($data->lat != 0) $result['latitude'] = $data->lat; |
|
| 778 | + if ($data->lon != 0) { |
|
| 779 | + $result['longitude'] = $data->lon; |
|
| 780 | + } |
|
| 781 | + if ($data->lat != 0) { |
|
| 782 | + $result['latitude'] = $data->lat; |
|
| 783 | + } |
|
| 621 | 784 | $result['ident'] = trim(str_replace('@','',$data->name)); |
| 622 | 785 | $result['timestamp'] = $data->ts; |
| 623 | 786 | $result['mmsi'] = $data->mmsi; |
| 624 | - if (strlen($result['mmsi']) == 8 && substr($result['mmsi'],0,3) == '669') $result['mmsi'] = '3'.$result['mmsi']; |
|
| 787 | + if (strlen($result['mmsi']) == 8 && substr($result['mmsi'],0,3) == '669') { |
|
| 788 | + $result['mmsi'] = '3'.$result['mmsi']; |
|
| 789 | + } |
|
| 625 | 790 | $result['mmsi_type'] = $this->mmsitype($result['mmsi']); |
| 626 | - if ($data->sog != -1.0) $result['speed'] = $data->sog; |
|
| 627 | - if ($data->heading != '') $result['heading'] = $data->heading; |
|
| 628 | - elseif ($data->cog != 0) $result['heading'] = $data->cog; |
|
| 629 | - if ($data->status != '') $result['status'] = $data->status; |
|
| 630 | - if ($data->type != '') $result['type'] = $data->type; |
|
| 631 | - if ($data->typeid != '') $result['typeid'] = $data->typeid; |
|
| 632 | - if ($data->imo != '') $result['imo'] = $data->imo; |
|
| 633 | - if ($data->callsign != '') $result['callsign'] = $data->callsign; |
|
| 791 | + if ($data->sog != -1.0) { |
|
| 792 | + $result['speed'] = $data->sog; |
|
| 793 | + } |
|
| 794 | + if ($data->heading != '') { |
|
| 795 | + $result['heading'] = $data->heading; |
|
| 796 | + } elseif ($data->cog != 0) { |
|
| 797 | + $result['heading'] = $data->cog; |
|
| 798 | + } |
|
| 799 | + if ($data->status != '') { |
|
| 800 | + $result['status'] = $data->status; |
|
| 801 | + } |
|
| 802 | + if ($data->type != '') { |
|
| 803 | + $result['type'] = $data->type; |
|
| 804 | + } |
|
| 805 | + if ($data->typeid != '') { |
|
| 806 | + $result['typeid'] = $data->typeid; |
|
| 807 | + } |
|
| 808 | + if ($data->imo != '') { |
|
| 809 | + $result['imo'] = $data->imo; |
|
| 810 | + } |
|
| 811 | + if ($data->callsign != '') { |
|
| 812 | + $result['callsign'] = $data->callsign; |
|
| 813 | + } |
|
| 634 | 814 | if ($data->eta_month != '' && $data->eta_day != '' && $data->eta_hour != '' && $data->eta_minute != '') { |
| 635 | 815 | $result['eta_ts'] = strtotime(date('Y').'-'.$data->eta_month.'-'.$data->eta_day.' '.$data->eta_hour.':'.$data->eta_minute.':00'); |
| 636 | 816 | } |
| 637 | - if ($data->destination != '') $result['destination'] = $data->destination; |
|
| 817 | + if ($data->destination != '') { |
|
| 818 | + $result['destination'] = $data->destination; |
|
| 819 | + } |
|
| 638 | 820 | $result['all'] = (array) $data; |
| 639 | 821 | /* |
| 640 | 822 | $ro->cls = 0; // AIS class undefined, also indicate unparsed msg |
