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  • How to mount a blu-ray drive?

    - by Stephan Schielke
    Maybe it is for the best to close this question. This has nothing to do with a bluray drive in general anymore. Probably a hardware defect. I will try to test it with a windows system and different cables again... Thx so far. I have a bluray/dvd/cdrom drive with SATA. Ubuntu wont find it under /dev/sd wodim --devices wodim: Overview of accessible drives (1 found) : ------------------------------------------------------------------------- 0 dev='/dev/sg2' rwrw-- : 'HL-DT-ST' 'BDDVDRW CH08LS10' ------------------------------------------------------------------------- cdrecord -scanbus scsibus2: 2,0,0 200) 'HL-DT-ST' 'BDDVDRW CH08LS10' '2.00' Removable CD-ROM fdisk dont even lists it. Ubuntu only automounts blank DVDs, but neither CDROM nor Blurays. I also changed the sata slot, sata cable and the power cable. The drive works with a windows system. This happens when I try to mount: sudo mount -t auto /dev/scd0 /media/bluray mount: you must specify the filesystem type I tried all filesystems there are. I also installed makemkv. It finds the drive but not the disc. Here is my /dev ls -al /dev total 12 drwxr-xr-x 17 root root 4420 2011-11-25 19:36 . drwxr-xr-x 28 root root 4096 2011-11-25 07:12 .. crw------- 1 root root 10, 235 2011-11-25 19:28 autofs -rw-r--r-- 1 root root 630 2011-11-25 19:28 .blkid.tab -rw-r--r-- 1 root root 630 2011-11-25 19:28 .blkid.tab.old drwxr-xr-x 2 root root 700 2011-11-25 19:27 block drwxr-xr-x 2 root root 100 2011-11-25 19:27 bsg crw------- 1 root root 10, 234 2011-11-25 19:28 btrfs-control drwxr-xr-x 3 root root 60 2011-11-25 19:27 bus drwxr-xr-x 2 root root 3820 2011-11-25 19:28 char crw------- 1 root root 5, 1 2011-11-25 19:28 console lrwxrwxrwx 1 root root 11 2011-11-25 19:28 core -> /proc/kcore drwxr-xr-x 2 root root 60 2011-11-25 19:28 cpu crw------- 1 root root 10, 60 2011-11-25 19:28 cpu_dma_latency drwxr-xr-x 7 root root 140 2011-11-25 19:27 disk crw------- 1 root root 10, 61 2011-11-25 19:28 ecryptfs crw-rw---- 1 root video 29, 0 2011-11-25 19:28 fb0 lrwxrwxrwx 1 root root 13 2011-11-25 19:28 fd -> /proc/self/fd crw-rw-rw- 1 root root 1, 7 2011-11-25 19:28 full crw-rw-rw- 1 root fuse 10, 229 2011-11-25 19:28 fuse crw------- 1 root root 251, 0 2011-11-25 19:28 hidraw0 crw------- 1 root root 251, 1 2011-11-25 19:28 hidraw1 crw------- 1 root root 10, 228 2011-11-25 19:28 hpet lrwxrwxrwx 1 root root 14 2011-11-25 19:27 .initramfs -> /run/initramfs drwxr-xr-x 4 root root 220 2011-11-25 19:28 input crw------- 1 root root 1, 11 2011-11-25 19:28 kmsg srw-rw-rw- 1 root root 0 2011-11-25 19:28 log brw-rw---- 1 root disk 7, 0 2011-11-25 19:28 loop0 brw-rw---- 1 root disk 7, 1 2011-11-25 19:28 loop1 brw-rw---- 1 root disk 7, 2 2011-11-25 19:28 loop2 brw-rw---- 1 root disk 7, 3 2011-11-25 19:28 loop3 brw-rw---- 1 root disk 7, 4 2011-11-25 19:28 loop4 brw-rw---- 1 root disk 7, 5 2011-11-25 19:28 loop5 brw-rw---- 1 root disk 7, 6 2011-11-25 19:28 loop6 brw-rw---- 1 root disk 7, 7 2011-11-25 19:28 loop7 drwxr-xr-x 2 root root 60 2011-11-25 19:27 mapper crw------- 1 root root 10, 227 2011-11-25 19:28 mcelog crw-r----- 1 root kmem 1, 1 2011-11-25 19:28 mem drwxr-xr-x 2 root root 60 2011-11-25 19:27 net crw------- 1 root root 10, 59 2011-11-25 19:28 network_latency crw------- 1 root root 10, 58 2011-11-25 19:28 network_throughput crw-rw-rw- 1 root root 1, 3 2011-11-25 19:28 null crw-rw-rw- 1 root root 195, 0 2011-11-25 19:28 nvidia0 crw-rw-rw- 1 root root 195, 255 2011-11-25 19:28 nvidiactl crw------- 1 root root 1, 12 2011-11-25 19:28 oldmem crw-r----- 1 root kmem 1, 4 2011-11-25 19:28 port crw------- 1 root root 108, 0 2011-11-25 19:28 ppp crw------- 1 root root 10, 1 2011-11-25 19:28 psaux crw-rw-rw- 1 root tty 5, 2 2011-11-25 20:00 ptmx drwxr-xr-x 2 root root 0 2011-11-25 19:27 pts brw-rw---- 1 root disk 1, 0 2011-11-25 19:28 ram0 brw-rw---- 1 root disk 1, 1 2011-11-25 19:28 ram1 brw-rw---- 1 root disk 1, 10 2011-11-25 19:28 ram10 brw-rw---- 1 root disk 1, 11 2011-11-25 19:28 ram11 brw-rw---- 1 root disk 1, 12 2011-11-25 19:28 ram12 brw-rw---- 1 root disk 1, 13 2011-11-25 19:28 ram13 brw-rw---- 1 root disk 1, 14 2011-11-25 19:28 ram14 brw-rw---- 1 root disk 1, 15 2011-11-25 19:28 ram15 brw-rw---- 1 root disk 1, 2 2011-11-25 19:28 ram2 brw-rw---- 1 root disk 1, 3 2011-11-25 19:28 ram3 brw-rw---- 1 root disk 1, 4 2011-11-25 19:28 ram4 brw-rw---- 1 root disk 1, 5 2011-11-25 19:28 ram5 brw-rw---- 1 root disk 1, 6 2011-11-25 19:28 ram6 brw-rw---- 1 root disk 1, 7 2011-11-25 19:28 ram7 brw-rw---- 1 root disk 1, 8 2011-11-25 19:28 ram8 brw-rw---- 1 root disk 1, 9 2011-11-25 19:28 ram9 crw-rw-rw- 1 root root 1, 8 2011-11-25 19:28 random crw-rw-r--+ 1 root root 10, 62 2011-11-25 19:28 rfkill lrwxrwxrwx 1 root root 4 2011-11-25 19:28 rtc -> rtc0 crw------- 1 root root 254, 0 2011-11-25 19:28 rtc0 lrwxrwxrwx 1 root root 3 2011-11-25 19:38 scd0 -> sr0 brw-rw---- 1 root disk 8, 0 2011-11-25 19:28 sda brw-rw---- 1 root disk 8, 1 2011-11-25 19:28 sda1 brw-rw---- 1 root disk 8, 2 2011-11-25 19:28 sda2 brw-rw---- 1 root disk 8, 3 2011-11-25 19:28 sda3 brw-rw---- 1 root disk 8, 5 2011-11-25 19:28 sda5 brw-rw---- 1 root disk 8, 6 2011-11-25 19:28 sda6 brw-rw---- 1 root disk 8, 16 2011-11-25 19:28 sdb brw-rw---- 1 root disk 8, 17 2011-11-25 19:28 sdb1 crw-rw---- 1 root disk 21, 0 2011-11-25 19:28 sg0 crw-rw---- 1 root disk 21, 1 2011-11-25 19:28 sg1 crw-rw----+ 1 root cdrom 21, 2 2011-11-25 19:28 sg2 lrwxrwxrwx 1 root root 8 2011-11-25 19:28 shm -> /run/shm crw------- 1 root root 10, 231 2011-11-25 19:28 snapshot drwxr-xr-x 4 root root 280 2011-11-25 19:28 snd brw-rw----+ 1 root cdrom 11, 0 2011-11-25 19:38 sr0 lrwxrwxrwx 1 root root 15 2011-11-25 19:28 stderr -> /proc/self/fd/2 lrwxrwxrwx 1 root root 15 2011-11-25 19:28 stdin -> /proc/self/fd/0 lrwxrwxrwx 1 root root 15 2011-11-25 19:28 stdout -> /proc/self/fd/1 crw-rw-rw- 1 root tty 5, 0 2011-11-25 19:35 tty crw--w---- 1 root tty 4, 0 2011-11-25 19:28 tty0 crw------- 1 root root 4, 1 2011-11-25 19:28 tty1 crw--w---- 1 root tty 4, 10 2011-11-25 19:28 tty10 crw--w---- 1 root tty 4, 11 2011-11-25 19:28 tty11 crw--w---- 1 root tty 4, 12 2011-11-25 19:28 tty12 crw--w---- 1 root tty 4, 13 2011-11-25 19:28 tty13 crw--w---- 1 root tty 4, 14 2011-11-25 19:28 tty14 crw--w---- 1 root tty 4, 15 2011-11-25 19:28 tty15 crw--w---- 1 root tty 4, 16 2011-11-25 19:28 tty16 crw--w---- 1 root tty 4, 17 2011-11-25 19:28 tty17 crw--w---- 1 root tty 4, 18 2011-11-25 19:28 tty18 crw--w---- 1 root tty 4, 19 2011-11-25 19:28 tty19 crw------- 1 root root 4, 2 2011-11-25 19:28 tty2 crw--w---- 1 root tty 4, 20 2011-11-25 19:28 tty20 crw--w---- 1 root tty 4, 21 2011-11-25 19:28 tty21 crw--w---- 1 root tty 4, 22 2011-11-25 19:28 tty22 crw--w---- 1 root tty 4, 23 2011-11-25 19:28 tty23 crw--w---- 1 root tty 4, 24 2011-11-25 19:28 tty24 crw--w---- 1 root tty 4, 25 2011-11-25 19:28 tty25 crw--w---- 1 root tty 4, 26 2011-11-25 19:28 tty26 crw--w---- 1 root tty 4, 27 2011-11-25 19:28 tty27 crw--w---- 1 root tty 4, 28 2011-11-25 19:28 tty28 crw--w---- 1 root tty 4, 29 2011-11-25 19:28 tty29 crw------- 1 root root 4, 3 2011-11-25 19:28 tty3 crw--w---- 1 root tty 4, 30 2011-11-25 19:28 tty30 crw--w---- 1 root tty 4, 31 2011-11-25 19:28 tty31 crw--w---- 1 root tty 4, 32 2011-11-25 19:28 tty32 crw--w---- 1 root tty 4, 33 2011-11-25 19:28 tty33 crw--w---- 1 root tty 4, 34 2011-11-25 19:28 tty34 crw--w---- 1 root tty 4, 35 2011-11-25 19:28 tty35 crw--w---- 1 root tty 4, 36 2011-11-25 19:28 tty36 crw--w---- 1 root tty 4, 37 2011-11-25 19:28 tty37 crw--w---- 1 root tty 4, 38 2011-11-25 19:28 tty38 crw--w---- 1 root tty 4, 39 2011-11-25 19:28 tty39 crw------- 1 root root 4, 4 2011-11-25 19:28 tty4 crw--w---- 1 root tty 4, 40 2011-11-25 19:28 tty40 crw--w---- 1 root tty 4, 41 2011-11-25 19:28 tty41 crw--w---- 1 root tty 4, 42 2011-11-25 19:28 tty42 crw--w---- 1 root tty 4, 43 2011-11-25 19:28 tty43 crw--w---- 1 root tty 4, 44 2011-11-25 19:28 tty44 crw--w---- 1 root tty 4, 45 2011-11-25 19:28 tty45 crw--w---- 1 root tty 4, 46 2011-11-25 19:28 tty46 crw--w---- 1 root tty 4, 47 2011-11-25 19:28 tty47 crw--w---- 1 root tty 4, 48 2011-11-25 19:28 tty48 crw--w---- 1 root tty 4, 49 2011-11-25 19:28 tty49 crw------- 1 root root 4, 5 2011-11-25 19:28 tty5 crw--w---- 1 root tty 4, 50 2011-11-25 19:28 tty50 crw--w---- 1 root tty 4, 51 2011-11-25 19:28 tty51 crw--w---- 1 root tty 4, 52 2011-11-25 19:28 tty52 crw--w---- 1 root tty 4, 53 2011-11-25 19:28 tty53 crw--w---- 1 root tty 4, 54 2011-11-25 19:28 tty54 crw--w---- 1 root tty 4, 55 2011-11-25 19:28 tty55 crw--w---- 1 root tty 4, 56 2011-11-25 19:28 tty56 crw--w---- 1 root tty 4, 57 2011-11-25 19:28 tty57 crw--w---- 1 root tty 4, 58 2011-11-25 19:28 tty58 crw--w---- 1 root tty 4, 59 2011-11-25 19:28 tty59 crw------- 1 root root 4, 6 2011-11-25 19:28 tty6 crw--w---- 1 root tty 4, 60 2011-11-25 19:28 tty60 crw--w---- 1 root tty 4, 61 2011-11-25 19:28 tty61 crw--w---- 1 root tty 4, 62 2011-11-25 19:28 tty62 crw--w---- 1 root tty 4, 63 2011-11-25 19:28 tty63 crw--w---- 1 root tty 4, 7 2011-11-25 19:28 tty7 crw--w---- 1 root tty 4, 8 2011-11-25 19:28 tty8 crw--w---- 1 root tty 4, 9 2011-11-25 19:28 tty9 crw------- 1 root root 5, 3 2011-11-25 19:28 ttyprintk crw-rw---- 1 root dialout 4, 64 2011-11-25 19:28 ttyS0 crw-rw---- 1 root dialout 4, 65 2011-11-25 19:28 ttyS1 crw-rw---- 1 root dialout 4, 74 2011-11-25 19:28 ttyS10 crw-rw---- 1 root dialout 4, 75 2011-11-25 19:28 ttyS11 crw-rw---- 1 root dialout 4, 76 2011-11-25 19:28 ttyS12 crw-rw---- 1 root dialout 4, 77 2011-11-25 19:28 ttyS13 crw-rw---- 1 root dialout 4, 78 2011-11-25 19:28 ttyS14 crw-rw---- 1 root dialout 4, 79 2011-11-25 19:28 ttyS15 crw-rw---- 1 root dialout 4, 80 2011-11-25 19:28 ttyS16 crw-rw---- 1 root dialout 4, 81 2011-11-25 19:28 ttyS17 crw-rw---- 1 root dialout 4, 82 2011-11-25 19:28 ttyS18 crw-rw---- 1 root dialout 4, 83 2011-11-25 19:28 ttyS19 crw-rw---- 1 root dialout 4, 66 2011-11-25 19:28 ttyS2 crw-rw---- 1 root dialout 4, 84 2011-11-25 19:28 ttyS20 crw-rw---- 1 root dialout 4, 85 2011-11-25 19:28 ttyS21 crw-rw---- 1 root dialout 4, 86 2011-11-25 19:28 ttyS22 crw-rw---- 1 root dialout 4, 87 2011-11-25 19:28 ttyS23 crw-rw---- 1 root dialout 4, 88 2011-11-25 19:28 ttyS24 crw-rw---- 1 root dialout 4, 89 2011-11-25 19:28 ttyS25 crw-rw---- 1 root dialout 4, 90 2011-11-25 19:28 ttyS26 crw-rw---- 1 root dialout 4, 91 2011-11-25 19:28 ttyS27 crw-rw---- 1 root dialout 4, 92 2011-11-25 19:28 ttyS28 crw-rw---- 1 root dialout 4, 93 2011-11-25 19:28 ttyS29 crw-rw---- 1 root dialout 4, 67 2011-11-25 19:28 ttyS3 crw-rw---- 1 root dialout 4, 94 2011-11-25 19:28 ttyS30 crw-rw---- 1 root dialout 4, 95 2011-11-25 19:28 ttyS31 crw-rw---- 1 root dialout 4, 68 2011-11-25 19:28 ttyS4 crw-rw---- 1 root dialout 4, 69 2011-11-25 19:28 ttyS5 crw-rw---- 1 root dialout 4, 70 2011-11-25 19:28 ttyS6 crw-rw---- 1 root dialout 4, 71 2011-11-25 19:28 ttyS7 crw-rw---- 1 root dialout 4, 72 2011-11-25 19:28 ttyS8 crw-rw---- 1 root dialout 4, 73 2011-11-25 19:28 ttyS9 d rwxr-xr-x 3 root root 60 2011-11-25 19:28 .udev crw-r----- 1 root root 10, 223 2011-11-25 19:28 uinput crw-rw-rw- 1 root root 1, 9 2011-11-25 19:28 urandom drwxr-xr-x 2 root root 60 2011-11-25 19:27 usb crw------- 1 root root 252, 0 2011-11-25 19:28 usbmon0 crw------- 1 root root 252, 1 2011-11-25 19:28 usbmon1 crw------- 1 root root 252, 2 2011-11-25 19:28 usbmon2 crw------- 1 root root 252, 3 2011-11-25 19:28 usbmon3 crw------- 1 root root 252, 4 2011-11-25 19:28 usbmon4 crw------- 1 root root 252, 5 2011-11-25 19:28 usbmon5 crw------- 1 root root 252, 6 2011-11-25 19:28 usbmon6 crw------- 1 root root 252, 7 2011-11-25 19:28 usbmon7 crw------- 1 root root 252, 8 2011-11-25 19:28 usbmon8 drwxr-xr-x 4 root root 80 2011-11-25 19:28 v4l crw------- 1 root root 10, 57 2011-11-25 19:28 vboxdrv crw------- 1 root root 10, 56 2011-11-25 19:28 vboxnetctl drwxr-x--- 4 root vboxusers 80 2011-11-25 19:28 vboxusb crw-rw---- 1 root tty 7, 0 2011-11-25 19:28 vcs crw-rw---- 1 root tty 7, 1 2011-11-25 19:28 vcs1 crw-rw---- 1 root tty 7, 2 2011-11-25 19:28 vcs2 crw-rw---- 1 root tty 7, 3 2011-11-25 19:28 vcs3 crw-rw---- 1 root tty 7, 4 2011-11-25 19:28 vcs4 crw-rw---- 1 root tty 7, 5 2011-11-25 19:28 vcs5 crw-rw---- 1 root tty 7, 6 2011-11-25 19:28 vcs6 crw-rw---- 1 root tty 7, 128 2011-11-25 19:28 vcsa crw-rw---- 1 root tty 7, 129 2011-11-25 19:28 vcsa1 crw-rw---- 1 root tty 7, 130 2011-11-25 19:28 vcsa2 crw-rw---- 1 root tty 7, 131 2011-11-25 19:28 vcsa3 crw-rw---- 1 root tty 7, 132 2011-11-25 19:28 vcsa4 crw-rw---- 1 root tty 7, 133 2011-11-25 19:28 vcsa5 crw-rw---- 1 root tty 7, 134 2011-11-25 19:28 vcsa6 crw------- 1 root root 10, 63 2011-11-25 19:28 vga_arbiter crw-rw----+ 1 root video 81, 0 2011-11-25 19:28 video0 crw-rw-rw- 1 root root 1, 5 2011-11-25 19:28 zero sg_scan -i gives me: sudo sg_scan -i /dev/sg0: scsi0 channel=0 id=0 lun=0 [em] ATA ST31000524NS SN12 [rmb=0 cmdq=0 pqual=0 pdev=0x0] /dev/sg1: scsi0 channel=0 id=1 lun=0 [em] ATA WDC WD15EADS-00S 01.0 [rmb=0 cmdq=0 pqual=0 pdev=0x0] /dev/sg2: scsi2 channel=0 id=0 lun=0 [em] HL-DT-ST BDDVDRW CH08LS10 2.00 [rmb=1 cmdq=0 pqual=0 pdev=0x5] sg_map gives me: /dev/sg0 /dev/sda /dev/sg1 /dev/sdb /dev/sg2 /dev/scd0 lsscsi -l gives me: [0:0:0:0] disk ATA ST31000524NS SN12 /dev/sda state=running queue_depth=1 scsi_level=6 type=0 device_blocked=0 timeout=30 [0:0:1:0] disk ATA WDC WD15EADS-00S 01.0 /dev/sdb state=running queue_depth=1 scsi_level=6 type=0 device_blocked=0 timeout=30 [2:0:0:0] cd/dvd HL-DT-ST BDDVDRW CH08LS10 2.00 /dev/sr0 state=running queue_depth=1 scsi_level=6 type=5 device_blocked=0 timeout=30 my udf mod is: filename: /lib/modules/3.0.0-14-generic/kernel/fs/udf/udf.ko license: GPL description: Universal Disk Format Filesystem author: Ben Fennema srcversion: 6ABDE012374D96B9685B8E5 depends: crc-itu-t vermagic: 3.0.0-14-generic SMP mod_unload modversions Do I need special drivers or mods enabled? Do I need to change some BIOS settings? edit: Somehow I am now able to fire the mount command without any filesystem errors, but now I get: mount: no medium found on /dev/sr0

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  • WTSVirtualChannelRead Only reads the first letter of the string.

    - by Scott Chamberlain
    I am trying to write a hello world type program for using virtual channels in the windows terminal services client. public partial class Form1 : Form { public Form1() { InitializeComponent(); } IntPtr mHandle = IntPtr.Zero; private void Form1_Load(object sender, EventArgs e) { mHandle = NativeMethods.WTSVirtualChannelOpen(IntPtr.Zero, -1, "TSCRED"); if (mHandle == IntPtr.Zero) { throw new Win32Exception(Marshal.GetLastWin32Error()); } } private void button1_Click(object sender, EventArgs e) { uint bufferSize = 1024; StringBuilder buffer = new StringBuilder(); uint bytesRead; NativeMethods.WTSVirtualChannelRead(mHandle, 0, buffer, bufferSize, out bytesRead); if (bytesRead == 0) { MessageBox.Show("Got no Data"); } else { MessageBox.Show("Got data: " + buffer.ToString()); } } protected override void Dispose(bool disposing) { if (mHandle != System.IntPtr.Zero) { NativeMethods.WTSVirtualChannelClose(mHandle); } base.Dispose(disposing); } } internal static class NativeMethods { [DllImport("Wtsapi32.dll")] public static extern IntPtr WTSVirtualChannelOpen(IntPtr server, int sessionId, [MarshalAs(UnmanagedType.LPStr)] string virtualName); //[DllImport("Wtsapi32.dll", SetLastError = true)] //public static extern bool WTSVirtualChannelRead(IntPtr channelHandle, long timeout, // byte[] buffer, int length, ref int bytesReaded); [DllImport("Wtsapi32.dll")] public static extern bool WTSVirtualChannelClose(IntPtr channelHandle); [DllImport("Wtsapi32.dll", EntryPoint = "WTSVirtualChannelRead")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool WTSVirtualChannelRead( [In()] System.IntPtr hChannelHandle , uint TimeOut , [Out()] [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder Buffer , uint BufferSize , [Out()] out uint pBytesRead); } I am sending the data from the MSTSC COM object and ActiveX controll. public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { rdp.Server = "schamberlainvm"; rdp.UserName = "TestAcct"; IMsTscNonScriptable secured = (IMsTscNonScriptable)rdp.GetOcx(); secured.ClearTextPassword = "asdf"; rdp.CreateVirtualChannels("TSCRED"); rdp.Connect(); } private void button1_Click(object sender, EventArgs e) { rdp.SendOnVirtualChannel("TSCRED", "Hello World!"); } } //Designer code // // rdp // this.rdp.Enabled = true; this.rdp.Location = new System.Drawing.Point(12, 12); this.rdp.Name = "rdp"; this.rdp.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("rdp.OcxState"))); this.rdp.Size = new System.Drawing.Size(1092, 580); this.rdp.TabIndex = 0; I am getting a execption every time NativeMethods.WTSVirtualChannelRead runs Any help on this would be greatly appreciated. EDIT -- mHandle has a non-zero value when the function runs. updated code to add that check. EDIT2 -- I used the P/Invoke Interop Assistant and generated a new sigiture [DllImport("Wtsapi32.dll", EntryPoint = "WTSVirtualChannelRead")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool WTSVirtualChannelRead( [In()] System.IntPtr hChannelHandle , uint TimeOut , [Out()] [MarshalAs(UnmanagedType.LPStr)] StringBuilder Buffer , uint BufferSize , [Out()] out uint pBytesRead); it now receives the text string (Yea!) but it only gets the first letter of my test string(Boo!). Any ideas on what is going wrong? EDIT 3 --- After the call that should of read the hello world; BytesRead = 24 Buffer.Length = 1; Buffer.Capacity = 16; Buffer.m_StringValue = "H";

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  • Sending emails in web applications

    - by Denise
    Hi everyone, I'm looking for some opinions here, I'm building a web application which has the fairly standard functionality of: Register for an account by filling out a form and submitting it. Receive an email with a confirmation code link Click the link to confirm the new account and log in When you send emails from your web application, it's often (usually) the case that there will be some change to the persistence layer. For example: A new user registers for an account on your site - the new user is created in the database and an email is sent to them with a confirmation link A user assigns a bug or issue to someone else - the issue is updated and email notifications are sent. How you send these emails can be critical to the success of your application. How you send them depends on how important it is that the intended recipient receives the email. We'll look at the following four strategies in relation to the case where the mail server is down, using example 1. TRANSACTIONAL & SYNCHRONOUS The sending of the email fails and the user is shown an error message saying that their account could not be created. The application will appear to be slow and unresponsive as the application waits for the connection timeout. The account is not created in the database because the transaction is rolled back. TRANSACTIONAL & ASYNCHRONOUS The transactional definition here refers to sending the email to a JMS queue or saving it in a database table for another background process to pick up and send. The user account is created in the database, the email is sent to a JMS queue for processing later. The transaction is successful and committed. The user is shown a message saying that their account was created and to check their email for a confirmation link. It's possible in this case that the email is never sent due to some other error, however the user is told that the email has been sent to them. There may be some delay in getting the email sent to the user if application support has to be called in to diagnose the email problem. NON-TRANSACTIONAL & SYNCHRONOUS The user is created in the database, but the application gets a timeout error when it tries to send the email with the confirmation link. The user is shown an error message saying that there was an error. The application is slow and unresponsive as it waits for the connection timeout When the mail server comes back to life and the user tries to register again, they are told their account already exists but has not been confirmed and are given the option of having the email re-sent to them. NON-TRANSACTIONAL & ASYNCHRONOUS The only difference between this and transactional & asynchronous is that if there is an error sending the email to the JMS queue or saving it in the database, the user account is still created but the email is never sent until the user attempts to register again. What I'd like to know is what have other people done here? Can you recommend any other solutions other than the 4 I've mentioned above? What's a reasonable way of approaching this problem? I don't want to over-engineer a system that's dealing with the (hopefully) rare situation where my mail server goes down! The simplest thing to do is to code it synchronously, but are there any other pitfalls to this approach? I guess I'm wondering if there's a best practice, I couldn't find much out there by googling.

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  • Perl IO modules possibly causing issues in Net::DNS module

    - by Rich
    Hi! I’m porting some software that I wrote for a White Russian OpenWRT system to a new Kamikaze 8.09.1 OpenWRT system but I am having some serious issues that I’m hoping you can help me with. Old system Linux kernel 2.4.34 MIPSEL arch Perl 5.8.7 Net::DNS 0.48 IO 1.21 IO::Socket 1.28 IO::Socket::INET 1.28 New system Linux kernel 2.6.26.8 MIPS arch Perl 5.10.0 Net::DNS 0.66 IO 1.23_01 IO::Socket 1.30_01 IO::Socket::INET 1.31 First, let me provide some background information… I am trying to resolve my server (clearprobe.winbeam.com) from within my Perl program and see the following if I enable debugging in Net::DNS: resolve: Server 'clearprobe-ddns.winbeam.com' ;; query(clearprobe-ddns.winbeam.com) ;; setting up an AF_INET() family type UDP socket ;; send_udp(192.168.88.1:53) ;; send_udp(4.2.2.2:53) ;; send_udp(192.168.88.1:53) ;; send_udp(4.2.2.2:53) resolve: res->errorstring: query timed out Both of these servers resolve clearprobe.winbeam.com fine from the command line: root@cwb-2-11:~# echo “nameserver 192.168.88.1” > /etc/resolv.conf root@cwb-2-11:~# nslookup clearprobe-ddns.winbeam.com Server: 192.168.88.1 Address 1: 192.168.88.1 router Name: clearprobe-ddns.winbeam.com Address 1: 64.13.48.40 64-13-48-40.war.clearwire-dns.net root@cwb-2-11:~# echo “nameserver 4.2.2.2” > /etc/resolv.conf root@cwb-2-11:~# nslookup clearprobe-ddns.winbeam.com Server: 4.2.2.2 Address 1: 4.2.2.2 vnsc-bak.sys.gtei.net Name: clearprobe-ddns.winbeam.com Address 1: 64.13.48.40 64-13-48-40.war.clearwire-dns.net Using Perl’s call to the C gethostbyaddr() function works fine, but I need to do another lookup later in the software which requires that I specify the nameserver (clearprobe-ddns.winbeam.com is the authority for my internal DNS zone), hence my Net::DNS requirement. Now, here is the IO module-specific information: What I am seeing is that the reply is coming back from the nameserver (confirmed via tcpdump – I can send the captures if you’d like), but the UDP packets are sitting in the process’s UDP receive queue pending reception by Net::DNS (the approx 1752 bytes per response stay queued waiting for $sel-can_read()): root@cwb-2-11:~# netstat -una Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State udp 1752 0 0.0.0.0:52680 0.0.0.0:* root@cwb-2-11:~# netstat -una Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State udp 5256 0 0.0.0.0:52680 0.0.0.0:* If I force $sock[AF_INET]-recv($buf, $self-_packetsz) around line 803 of /usr/lib/perl5/5.10/Net/DNS/Resolver/Base.pm, instead of waiting for IO::Select’s can_read() function ( @ready = $sel-can_read($timeout)) to populate @ready, the response is received and processed. Any idea what could be causing this issue? In a possibly related matter, I noticed in another script that the following code fails in the same manner (network responses stay in the process’s TCP receive queue) with the new system: $sock = new IO::Socket::INET( PeerAddr => "$server", PeerPort => 37, Proto => 'tcp', Timeout => 5 ); Whereas the following code works: $sock = new IO::Socket::INET( PeerAddr => "$server", PeerPort => 37, Proto => 'tcp' ); I have looked through the NET::DNS code and don’t see a timeout passed for the UDP sockets, so I am not sure if that this is related or not. Please let me know if I can provide you with any further information in order to help diagnose this issue. Thanks! -Rich

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  • Session state provider and global.asax not interacting properly?

    - by yodaj007
    I'm experimenting with creating a crude, proof-of-concept session state store provider in ASP.Net. But I've got a problem and I'm not sure what to do about it. The website works properly when using the InProc provider. The Session_Start in global.asax is called on session creation as it should. But not if I implement my own provider. The Session_Start method from global.asax isn't being called at all if a new session is being created (that is, I delete the session state file). Am I missing something important here? public class TestSessionProvider : SessionStateStoreProviderBase { private const string ROOT = "c:\\projects\\sessions\\"; private const int TIMEOUT_MINUTES = 30; public string ApplicationName { get { return HostingEnvironment.ApplicationVirtualPath; } } private string GetFilename(string id) { string filename = String.Format("{0}_{1}.session", ApplicationName, id); char[] invalids = Path.GetInvalidPathChars(); for (int i = 0; i < invalids.Length; i++) { filename = filename.Replace(invalids[i], '_'); } return Path.Combine(ROOT, Path.GetFileName(filename)); } public override void Initialize(string name, NameValueCollection config) { if (config == null) throw new ArgumentNullException("config"); if (String.IsNullOrEmpty(name)) name = "Sporkalicious"; base.Initialize(name, config); } public override SessionStateStoreData CreateNewStoreData(HttpContext context, int timeout) { SessionStateItemCollection items = new SessionStateItemCollection(); HttpStaticObjectsCollection objects = SessionStateUtility.GetSessionStaticObjects(context); return new SessionStateStoreData(items, objects, TIMEOUT_MINUTES); } /// <summary> /// The CreateUninitializedItem method is used with cookieless sessions when the regenerateExpiredSessionId /// attribute is set to true, which causes SessionStateModule to generate a new SessionID value when an /// expired session ID is encountered. /// </summary> /// <param name="context"></param> /// <param name="id"></param> /// <param name="timeout"></param> public override void CreateUninitializedItem(HttpContext context, string id, int timeout) { FileStream fs = File.Open(GetFilename(id), FileMode.CreateNew, FileAccess.Write, FileShare.None); BinaryWriter writer = new BinaryWriter(fs); SessionStateItemCollection coll = new SessionStateItemCollection(); coll.Serialize(writer); fs.Flush(); fs.Close(); } public override SessionStateStoreData GetItem(HttpContext context, string id, out bool locked, out TimeSpan lockAge, out object lockId, out SessionStateActions actions) { return GetItemExclusive(context, id, out locked, out lockAge, out lockId, out actions); } public override SessionStateStoreData GetItemExclusive(HttpContext context, string id, out bool locked, out TimeSpan lockAge, out object lockId, out SessionStateActions actions) { locked = false; lockAge = TimeSpan.FromDays(1); lockId = 0; actions = SessionStateActions.None; if (!File.Exists(GetFilename(id))) { return null; } FileStream fs = File.Open(GetFilename(id), FileMode.Open, FileAccess.ReadWrite, FileShare.Read); BinaryReader reader = new BinaryReader(fs); SessionStateItemCollection coll = SessionStateItemCollection.Deserialize(reader); fs.Close(); return new SessionStateStoreData(coll, new HttpStaticObjectsCollection(), TIMEOUT_MINUTES); } public override void ReleaseItemExclusive(HttpContext context, string id, object lockId) { } public override void RemoveItem(HttpContext context, string id, object lockId, SessionStateStoreData item) { File.Delete(GetFilename(id)); } public override void ResetItemTimeout(HttpContext context, string id) { } public override void SetAndReleaseItemExclusive(HttpContext context, string id, SessionStateStoreData item, object lockId, bool newItem) { if (!File.Exists(GetFilename(id))) { CreateUninitializedItem(context, id, 10); } FileStream fs = File.Open(GetFilename(id), FileMode.Truncate, FileAccess.Write, FileShare.None); BinaryWriter writer = new BinaryWriter(fs); SessionStateItemCollection coll = (SessionStateItemCollection)item.Items; coll.Serialize(writer); fs.Flush(); fs.Close(); } public override bool SetItemExpireCallback(SessionStateItemExpireCallback expireCallback) { return false; } public override void InitializeRequest(HttpContext context){} public override void EndRequest(HttpContext context){} public override void Dispose(){} }

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  • Running code when all threads are finished processing.

    - by rich97
    Quick note: Java and Android noob here, I'm open to you telling me I'm stupid (as long as you tell me why.) I have an android application which requires me start multiple threads originating from various classes and only advance to the next activity once all threads have done their job. I also want to add a "failsafe" timeout in case one the the threads takes too long (HTTP request taking too long or something.) I searched Stack Overflow and found a post saying that I should create a class to keep a running total of open threads and then use a timer to poll for when all the threads are completed. I think I've created a working class to do this for me, it's untested as of yet but has no errors showing in eclipse. Is this a correct implementation? Are there any APIs that I should be made aware of (such as classes in the Java or Android APIs that could be used in place of the abstract classes at the bottom of the class?) package com.dmp.geofix.libs; import java.util.ArrayList; import java.util.Iterator; import java.util.Timer; import java.util.TimerTask; public class ThreadMonitor { private Timer timer = null; private TimerTask timerTask = null; private OnSuccess onSuccess = null; private OnError onError = null; private static ArrayList<Thread> threads; private final int POLL_OPEN_THREADS = 100; private final int TIMEOUT = 10000; public ThreadMonitor() { timerTask = new PollThreadsTask(); } public ThreadMonitor(OnSuccess s) { timerTask = new PollThreadsTask(); onSuccess = s; } public ThreadMonitor(OnError e) { timerTask = new PollThreadsTask(); onError = e; } public ThreadMonitor(OnSuccess s, OnError e) { timerTask = new PollThreadsTask(); onSuccess = s; onError = e; } public void start() { Iterator<Thread> i = threads.iterator(); while (i.hasNext()) { i.next().start(); } timer = new Timer(); timer.schedule(timerTask, 0, POLL_OPEN_THREADS); } public void finish() { Iterator<Thread> i = threads.iterator(); while (i.hasNext()) { i.next().interrupt(); } threads.clear(); timer.cancel(); } public void addThread(Thread t) { threads.add(t); } public void removeThread(Thread t) { threads.remove(t); t.interrupt(); } class PollThreadsTask extends TimerTask { private int timeElapsed = 0; @Override public void run() { timeElapsed += POLL_OPEN_THREADS; if (timeElapsed <= TIMEOUT) { if (threads.isEmpty() == false) { if (onSuccess != null) { onSuccess.run(); } } } else { if (onError != null) { onError.run(); } finish(); } } } public abstract class OnSuccess { public abstract void run(); } public abstract class OnError { public abstract void run(); } }

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  • NHibernate.NHibernateException: Unable to locate row for retrieval of generated properties: [MyNames

    - by Brad Heller
    It looks like all of my mappings are compiling correctly, I'm able to validly get a session from session factory. However, when I try to ISession.SaveOrUpdate(obj); I get this. Can anyone please help point me in the right direction? private Configuration configuration; protected Configuration Configuration { get { configuration = configuration ?? GetNewConfiguration(); return configuration; } } protected ISession GetNewSession() { var sessionFactory = Configuration.BuildSessionFactory(); var session = sessionFactory.OpenSession(); return session; } [TestMethod] public void TestSessionSave() { var company = new Company(); company.Name = "Test Company 1"; DateTime savedAt = DateTime.Now; using (var session = GetNewSession()) { try { session.SaveOrUpdate(company); } catch (Exception e) { throw e; } } Assert.IsTrue((company.CreationDate != null && company.CreationDate > savedAt), "Company was saved, creation date was set."); } For those that might be interested, here is my mapping for this class: <!-- Company --> <class name="MyNamespace.Company,MyLibrary" table="Companies"> <id name="Id" column="Id"> <generator class="native" /> </id> <property name="ExternalId" column="GUID" generated="insert" /> <property name="Name" column="Name" type="string" /> <property name="CreationDate" column="CreationDate" generated="insert" /> <property name="UpdatedDate" column="UpdatedDate" generated="always" /> </class> <!-- End Company --> Finally, here is my config -- I'm just connecting to a SQL Server CE instance for this for testing purposes. <?xml version="1.0" encoding="utf-8" ?> <hibernate-configuration xmlns="urn:nhibernate-configuration-2.2"> <session-factory name=""> <property name="connection.provider">NHibernate.Connection.DriverConnectionProvider</property> <property name="connection.driver_class">NHibernate.Driver.SqlServerCeDriver</property> <property name="connection.connection_string">Data Source="D:\Build\MyProject\Source\MyProject.UnitTests\MyProject.TestDatabase.sdf"</property> <property name="dialect">NHibernate.Dialect.MsSqlCeDialect</property> <property name="proxyfactory.factory_class">NHibernate.ByteCode.Castle.ProxyFactoryFactory, NHibernate.ByteCode.Castle</property> </session-factory> </hibernate-configuration> Thanks!

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  • Android: Download the Android SDK components for offline install

    - by Tawani
    Is it possible to download the Android SDK components for offline install without using the SDK Manager? The problem is I am behind a firewall which I have no control over and both sites download URLs seem to be blocked (throws a connection refused exception) https://dl-ssl.google.com/android/repository/repository.xml http://dl-ssl.google.com/android/repository/repository.xml Failed to fetch URL http://dl-ssl.google.com/android/repository/repository.xml, reason: Connection refused: connect

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  • How To Find Out If You are Using HTTPS Without $_SERVER['HTTPS']

    - by Chacha102
    I've seen many tutorials online that says you need to check $_SERVER['HTTPS'] if the server is connection is secured with HTTPS. My problem is that on some of the servers I use, $_SERVER['HTTPS'] is an undefined variable that results in an error. Is there another variable I can check that should always be defined? Just to be clear, I am currently using this code to resolve if it is an HTTPS connection: if(isset($_SERVER['HTTPS'])) { if ($_SERVER["HTTPS"] == "on") { $secure_connection = true; } }

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  • Memory management for NSURLConnection

    - by eman
    Sorry if this has been asked before, but I'm wondering what the best memory management practice is for NSURLConnection. Apple's sample code uses -[NSURLConnection initWithRequest:delegate:] in one method and then releases in connection:didFailWithError: or connectionDidFinishLoading:, but this spits out a bunch of analyzer warnings and seems sort of dangerous (what if neither of those methods is called?). I've been autoreleasing (using +[NSURLConnection connectionWithRequest:delegate:]), which seems cleaner, but I'm wondering--in this case, is it at ever possible for the NSURLConnection to be released before the connection has closed?

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  • Doctrine 2 Cannot find entites

    - by Flyn San
    I'm using Kohana 3 and have a /doctrine/Entites folder with my entities inside. When executing the code $product = Doctrine::em()->find('Entities\Product', 1); in my controller, I get the error class_parents(): Class Entities\Product does not exist and could not be loaded Below is the Controller (classes/controller/welcome.php): <?php class Controller_Welcome extends Controller { public function action_index() { $prod = Doctrine::em()->find('Entities\Product', 1); } } Below is the Entity (/doctrine/Entities/Product.php): <?php /** * @Entity * @Table{name="products"} */ class Product { /** @Id @Column{type="integer"} */ private $id; /** @Column(type="string", length="255") */ private $name; public function getId() { return $this->id; } public function setId($id) { $this->id = intval($id); } public function getName() { return $this->name; } public function setName($name) { $this->name = $name; } } Below is the Doctrine module bootstrap file (/modules/doctrine/init.php): class Doctrine { private static $_instance = null; private $_application_mode = 'development'; private $_em = null; public static function em() { if ( self::$_instance === null ) self::$_instance = new Doctrine(); return self::$_instance->_em; } public function __construct() { require __DIR__.'/classes/doctrine/Doctrine/Common/ClassLoader.php'; $classLoader = new \Doctrine\Common\ClassLoader('Doctrine', __DIR__.'/classes/doctrine'); $classLoader->register(); $classLoader = new \Doctrine\Common\ClassLoader('Symfony', __DIR__.'/classes/doctrine/Doctrine'); $classLoader->register(); $classLoader = new \Doctrine\Common\ClassLoader('Entities', APPPATH.'doctrine'); $classLoader->register(); //Set up caching method $cache = $this->_application_mode == 'development' ? new \Doctrine\Common\Cache\ArrayCache : new \Doctrine\Common\Cache\ApcCache; $config = new Configuration; $config->setMetadataCacheImpl( $cache ); $driver = $config->newDefaultAnnotationDriver( APPPATH.'doctrine/Entities' ); $config->setMetadataDriverImpl( $driver ); $config->setQueryCacheImpl( $cache ); $config->setProxyDir( APPPATH.'doctrine/Proxies' ); $config->setProxyNamespace('Proxies'); $config->setAutoGenerateProxyClasses( $this->_application_mode == 'development' ); $dbconf = Kohana::config('database'); $dbconf = reset($dbconf); //Use the first database specified in the config $this->_em = EntityManager::create(array( 'dbname' => $dbconf['connection']['database'], 'user' => $dbconf['connection']['username'], 'password' => $dbconf['connection']['password'], 'host' => $dbconf['connection']['hostname'], 'driver' => 'pdo_mysql', ), $config); } } Any ideas what I've done wrong?

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  • MSSQL: How to copy a file (pdf, doc, txt...) stored in a varbinary(max) field to a file in a CLR sto

    - by user193655
    I ask this question as a followup of this question. A solution that uses bcp and xp_cmdshell, that is not my desired solution, has been posted here: stackoverflow.com/questions/828749/ms-sql-server-2005-write-varbinary-to-file-system (sorry i cannot post a second hyperlink since my reputation is les than 10). I am new to c# (since I am a Delphi developer) anyway I was able to create a simple CLR stored procedures by following a tutorial. My task is to move a file from the client file system to the server file system (the server can be accessed using remote IP, so I cannot use a shared folder as destination, this is why I need a CLR stored procedure). So I plan to: 1) store from Delphi the file in a varbinary(max) column of a temporary table 2) call the CLR stored procedure to create a file at the desired path using the data contained in the varbinary(max) field Imagine I need to move C:\MyFile.pdf to Z:\MyFile.pdf, where C: is a harddrive on local system and Z: is an harddrive on the server. I provide the code below (not working) that someone can modify to make it work? Here I suppose to have a table called MyTable with two fields: ID (int) and DATA (varbinary(max)). Please note it doesn't make a difference if the table is a real temporary table or just a table where I temporarly store the data. I would appreciate if some exception handling code is there (so that I can manage an "impossible to save file" exception). I would like to be able to write a new file or overwrite the file if already existing. [Microsoft.SqlServer.Server.SqlProcedure] public static void VarbinaryToFile(int TableId) { using (SqlConnection connection = new SqlConnection("context connection=true")) { connection.Open(); SqlCommand command = new SqlCommand("select data from mytable where ID = @TableId", connection); command.Parameters.AddWithValue("@TableId", TableId); // This was the sample code I found to run a query //SqlContext.Pipe.ExecuteAndSend(command); // instead I need something like this (THIS IS META_SYNTAX!!!): SqlContext.Pipe.ResultAsStream.SaveToFile('z:\MyFile.pdf'); } } (one subquestion is: is this approach coorect or there is a way to directly pass the data to the CLR stored procedure so I don't need to use a temp table?) If the subquestion's answer is No, could you describe the approach of avoiding a temp table? So is there a better way then the one I describe above (=temp table + Stored procedure)? A way to directly pass the dataastream from the client application to the CLR stored procedure? (my files can be any size but also very big)

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  • Storing objects in the array

    - by Ockonal
    Hello, I want to save boost signals objects in the map (association: signal name ? signal object). The signals signature is different, so the second type of map should be boost::any. map<string, any> mSignalAssociation; The question is how to store objects without defining type of new signal signature? typedef boost::signals2::signal<void (int KeyCode)> sigKeyPressed; mSignalAssociation.insert(make_pair("KeyPressed", sigKeyPressed())); // This is what I need: passing object without type definition mSignalAssociation["KeyPressed"] = (typename boost::signals2::signal<void (int KeyCode)>()); // One more trying which won't work. And I don't want use this sigKeyPressed mKeyPressed; mSignalAssociation["KeyPressed"] = mKeyPressed; All this tryings throw the error: /usr/include/boost/noncopyable.hpp: In copy constructor ‘boost::signals2::signal_base::signal_base(const boost::signals2::signal_base&)’: In file included from /usr/include/boost/signals2/detail/signals_common.hpp:17:0, /usr/include/boost/noncopyable.hpp:27:7: error: ‘boost::noncopyable_::noncopyable::noncopyable(const boost::noncopyable_::noncopyable&)’ is private /usr/include/boost/signals2/signal_base.hpp:22:5: error: within this context ---------- /usr/include/boost/signals2/detail/signal_template.hpp: In copy constructor ‘boost::signals2::signal1<void, int&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(int)>, boost::function<void(const boost::signals2::connection&, int)>, boost::signals2::mutex>::signal1(const boost::signals2::signal1<void, int, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(int)>, boost::function<void(const boost::signals2::connection&, int)>, boost::signals2::mutex>&)’: In file included from /usr/include/boost/preprocessor/iteration/detail/iter/forward1.hpp:52:0, /usr/include/boost/signals2/detail/signal_template.hpp:578:5: note: synthesized method ‘boost::signals2::signal_base::signal_base(const boost::signals2::signal_base&)’ first required here from /usr/include/boost/signals2.hpp:16, --------- /usr/include/boost/signals2/preprocessed_signal.hpp: In copy constructor ‘boost::signals2::signal<void(int)>::signal(const boost::signals2::signal<void(int)>&)’: In file included from /usr/include/boost/signals2/signal.hpp:36:0, /usr/include/boost/signals2/preprocessed_signal.hpp:42:5: note: synthesized method ‘boost::signals2::signal1<void, int, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(int)>, boost::function<void(const boost::signals2::connection&, int)>, boost::signals2::mutex>::signal1(const boost::signals2::signal1<void, int, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(int)>, boost::function<void(const boost::signals2::connection&, int)>, boost::signals2::mutex>&)’ first required here from /home/ockonal/Workspace/Projects/Pseudoform-2/include/Core/Systems.hpp:6,

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  • Determine if IP Address is Cellular IP Address

    - by CJCraft.com
    In .NET Compact Framework a device can have several IP Addresses I want to find one that is NOT coming from the Cellular connection. Goal is for WiFi or Ethernet connection. Is there a way to do this? Seems like State and Notification Broker would have a way to do this but didn't see a way.

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  • SQL Server 2008: FileStream Insertion Failure w/ .NET 3.5SP1

    - by James Alexander
    I've configured a db w/ a FileStream group and have a table w/ File type on it. When attempting to insert a streamed file and after I create the table row, my query to read the filepath out and the buffer returns a null file path. I can't seem to figure out why though. Here is the table creation script: /****** Object: Table [dbo].[JobInstanceFile] Script Date: 03/22/2010 18:05:36 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO SET ANSI_PADDING ON GO CREATE TABLE [dbo].[JobInstanceFile]( [JobInstanceFileId] [int] IDENTITY(1,1) NOT NULL, [JobInstanceId] [int] NOT NULL, [File] [varbinary](max) FILESTREAM NULL, [FileId] [uniqueidentifier] ROWGUIDCOL NOT NULL, [Created] [datetime] NOT NULL, CONSTRAINT [PK_JobInstanceFile] PRIMARY KEY CLUSTERED ( [JobInstanceFileId] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] FILESTREAM_ON [JobInstanceFilesGroup], UNIQUE NONCLUSTERED ( [FileId] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] FILESTREAM_ON [JobInstanceFilesGroup] GO SET ANSI_PADDING OFF GO ALTER TABLE [dbo].[JobInstanceFile] ADD DEFAULT (newid()) FOR [FileId] GO Here's my proc I call to create the row before streaming the file: /****** Object: StoredProcedure [dbo].[JobInstanceFileCreate] Script Date: 03/22/2010 18:06:23 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO create proc [dbo].[JobInstanceFileCreate] @JobInstanceId int, @Created datetime as insert into JobInstanceFile (JobInstanceId, FileId, Created) values (@JobInstanceId, newid(), @Created) select scope_identity() GO And lastly, here's the code I'm using: public int CreateJobInstanceFile(int jobInstanceId, string filePath) { using (var connection = new SqlConnection(ConfigurationManager.ConnectionStrings["ConsumerMarketingStoreFiles"].ConnectionString)) using (var fileStream = new FileStream(filePath, FileMode.Open)) { connection.Open(); var tran = connection.BeginTransaction(IsolationLevel.ReadCommitted); try { //create the JobInstanceFile instance var command = new SqlCommand("JobInstanceFileCreate", connection) { Transaction = tran }; command.CommandType = CommandType.StoredProcedure; command.Parameters.AddWithValue("@JobInstanceId", jobInstanceId); command.Parameters.AddWithValue("@Created", DateTime.Now); int jobInstanceFileId = Convert.ToInt32(command.ExecuteScalar()); //read out the filestream transaction context to stream the file for storage command.CommandText = "select [File].PathName(), GET_FILESTREAM_TRANSACTION_CONTEXT() from JobInstanceFile where JobInstanceFileId = @JobInstanceFileId"; command.CommandType = CommandType.Text; command.Parameters.AddWithValue("@JobInstanceFileId", jobInstanceFileId); using (SqlDataReader dr = command.ExecuteReader()) { dr.Read(); //get the file path we're writing out to string writePath = dr.GetString(0); using (var writeStream = new SqlFileStream(writePath, (byte[])dr.GetValue(1), FileAccess.ReadWrite)) { //copy from one stream to another byte[] bytes = new byte[65536]; int numBytes; while ((numBytes = fileStream.Read(bytes, 0, 65536)) 0) writeStream.Write(bytes, 0, numBytes); } } tran.Commit(); return jobInstanceFileId; } catch (Exception e) { tran.Rollback(); throw e; } } } Can someone please let me know what I'm doing wrong. In the code, the following expression is returning null for the file path and shouldn't be: //get the file path we're writing out to string writePath = dr.GetString(0); The server is different then the computer the code is running on but the necessary shares appear to be in order and I have also run the following: EXEC sp_configure filestream_access_level, 2 Any help would be greatly appreciated. Thanks!

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  • Windows mobile Compact Framework SqlCeConnection

    - by pdiddy
    I'm hearing that is better to have one connection open upon app start up and closing it when the app shuts down. What kind of issue can occur having multiple connections ? Any articles out there that it is best practices to have one connection? What are your experience with sql ce?

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  • How to setup an hibernate project using annotations compliant with JPA2.0

    - by phmr
    I would like to setup an hibernate project, for this I use the lastest hibernate 3.5-Final. BTW my IDE is Netbeans. The problem is that each time a run the application, it seems to start from a fresh database whatever db backend I use (I tried hsqldb & sqlite): here is my persistence.xml <?xml version="1.0" encoding="UTF-8"?> <persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"> <persistence-unit name="PMMPU" transaction-type="RESOURCE_LOCAL"> <provider>org.hibernate.ejb.HibernatePersistence</provider> <class>model.Extrait</class> <class>model.Mot</class> <class>model.Prefixe</class> <class>model.Suffixe</class> <class>model.Texte</class> <properties> <property name="hibernate.dialect" value="dialect.SQLiteDialect"/> <property name="hibernate.connection.username" value=""/> <property name="hibernate.connection.driver_class" value="org.sqlite.JDBC"/> <property name="hibernate.connection.password" value=""/> <property name="hibernate.connection.url" value="jdbc:sqlite:test.db"/> <property name="hibernate.cache.provider_class" value="org.hibernate.cache.NoCacheProvider"/> <property name="hibernate.hbm2ddl.auto" value="update"/> </properties> </persistence-unit> </persistence> I tried to change hibernate.hbm2ddl.auto value. I got a HibernateUtil class which takes care of creating the emf & em: public class HibernateUtil { private static EntityManagerFactory emf = null; private static EntityManager em = null; public static EntityManagerFactory getEmf() { if(emf == null) emf = Persistence.createEntityManagerFactory("PMMPU"); return emf; } public static EntityManager getEm() { if(em == null) em = getEmf().createEntityManager(); return em; } What did a I do wrong ? edit1: further research with mysql lead me to think that the problem is related to sqlite & hsqldb interaction with hibernate 3.5

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  • firefox, jQuery ajax calls firing twice and never triggering success or error functions

    - by Adrian Adkison
    Hi, I am developing with the .NET framework, using jQuery 1.4.2 client side. When developing in Firefox version 3.6, every so often an one of the many ajax calls I make on the page will fire twice, the second will return successfully but will not trigger the success handler of the ajax call and the first never returns anything. So basically the data is all sent to the server and response is sent down but nothing happens with the response. Here is an example of the call I am making. It happens to any of the ajax calls, so there is not one particular that is causing the problem: $.ajax({ type:"POST", contentType : "application/json; charset=utf-8", data:"{}", dataType:"json", success:function(){ alert('success'); }, error:function(){ alert('error'); }, url:'/services.aspx/somemethod' }); }) From firebug, here are the headers of the first call which in firebug shows as never completely responding, meaning i see no response code and the loader gif in the firebug never goes away. Note:In firebug it usually says Response Header but for the first call this space is blank Server ASP.NET Development Server/9.0.0.0 X-AspNet-Version 2.0.50727 Content-Type application/json; charset=utf-8 Connection Close Request Headers Host mydomain.com User-Agent Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.3) Gecko/20100401Firefox/3.6.3 ( .NET CLR 3.5.30729) Accept application/json, text/javascript, */* Accept-Language en-us,en;q=0.5 Accept-Encoding gzip,deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 115 Connection keep-alive Content-Type application/json; charset=utf-8 X-Requested-With XMLHttpRequest Referer http://mydomain.com/mypage.aspx Here is the header from the second request which just appear to complete in firebug (i.e response is 200): Response Header Server ASP.NET Development Server/9.0.0.0 X-AspNet-Version 2.0.50727 Content-Type application/json; charset=utf-8 Connection Close Request Headers Host mydomain.com User-Agent Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 ( .NET CLR 3.5.30729) Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language en-us,en;q=0.5 Accept-Encoding gzip,deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 115 Connection keep-alive Content-Type application/json; charset=utf-8 Referer http://mydomain.com/mypage.aspx To summarize my question, why are two requests being made and why are neither of them triggering a success or error handler in the ajax call. I have seen this article about firefox 3.5+ and preflighted requests https://developer.mozilla.org/En/HTTP_access_control#Preflighted_requests In the article is says if a "POST" is made with any other content type than "application/x-www-form-urlencoded, multipart/form-data, or text/plain" than the request is pre-flighted. If this is the case, this should happen to all of my calls. Thanks

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  • mySQL :syntax using in C#

    - by Meko
    Hi. I am using in C# MYsql .I have query that works if I run on MySql Workbench ,but in C# it does not return any value also does not give ant error too.There is only one different using on Mysql I use before table name databaseName.tableName , but in C# I think it doesn`t necessary. This is part of query which does not return anything. "(select Lesson_Name from schedule where Group_NO = (select Group_NO from sinif inner join student ON sinif.Group_ID=student.Group_ID where Student_Name=(?Student))"+ " And Day_Name =(select Day_Name from day inner join date ON day.Day_ID=date.DayName where Date=(?Date))" + "And Lesson_Time= (select Lesson_Time from clock where Lesson_Time <= (?Time)order by Lesson_Time DESC limit 0, 1) " + " And Week_NO = (select Week_NO from week inner join date ON week.Week_ID=date.Week_ID where Date=(?Date))) And Here all codes which executes when user click button. private void check_B_Click(object sender, EventArgs e) { connection.Open(); for (int i = 0; i < existingStudents.Count; i++) { MySqlCommand cmd1 = new MySqlCommand("select Student_Name,Student_Surname,Student_MacAddress from student ", connection); MySqlCommand cmd2 = new MySqlCommand("insert into check_list (Student,Mac_Address,Date,Time,Lesson_Name)"+ "values((?Student),(?MacAddress),(?Date),(?Time),"+ "(select Lesson_Name from schedule where Group_NO = (select Group_NO from sinif inner join student ON sinif.Group_ID=student.Group_ID where Student_Name=(?Student))"+ " And Day_Name =(select Day_Name from day inner join date ON day.Day_ID=date.DayName where Date=(?Date))" + "And Lesson_Time= (select Lesson_Time from clock where Lesson_Time <= (?Time)order by Lesson_Time DESC limit 0, 1) " + " And Week_NO = (select Week_NO from week inner join date ON week.Week_ID=date.Week_ID where Date=(?Date))))", connection); MySqlParameter param1 = new MySqlParameter(); param1.ParameterName = "?Student"; reader = cmd1.ExecuteReader(); if (reader.HasRows) while (reader.Read()) { if (reader["Student_MacAddress"].ToString() == existingStudentsMac[i].ToString()) param1.Value = reader["Student_Name" ]+" "+reader["Student_Surname"]; } reader.Close(); MySqlParameter param2 = new MySqlParameter(); param2.ParameterName = "?MacAddress"; param2.Value = existingStudentsMac[i]; MySqlParameter param3 = new MySqlParameter(); param3.ParameterName = "?Date"; param3.Value = DateTime.Today.Date; MySqlParameter param4 = new MySqlParameter(); param4.ParameterName = "?Time"; param4.Value = DateTime.Now.ToString("HH:mm"); cmd2.Parameters.Add(param1); cmd2.Parameters.Add(param2); cmd2.Parameters.Add(param3); cmd2.Parameters.Add(param4); cmd2.ExecuteNonQuery(); } connection.Close(); MessageBox.Show("Sucsess :)"); }

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  • how to call Rasapi from vbscript

    - by d34
    I need to write a VBScript script to check the state of a dial-up connection, perform the dial up if disconnected, hang up the connection etc. I know this can be done using RAS API functions, so I'm wondering if there's any way to call these functions from VBScript? If not, how else can I manage dial-up connections using VBScript? Can somebody point me in a useful direction? Thanks.

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  • Encoding::UndefinedConversionError from email body

    - by raam86
    using mail for ruby I am getting this message: mail.rb:22:in `encode': "\xC7" from ASCII-8BIT to UTF-8 (Encoding::UndefinedConversionError) from mail.rb:22:in `<main>' If I remove encode I get a message ruby /var/lib/gems/1.9.1/gems/bson-1.7.0/lib/bson/bson_ruby.rb:63:in `rescue in to_utf8_binary': String not valid utf-8: "<div dir=\"ltr\"><div class=\"gmail_quote\">l<br><br><br><div dir=\"ltr\"><div class=\"gmail_quote\"><br><br><br><div dir=\"ltr\"><div class=\"gmail_quote\"><br><br><br><div dir=\"ltr\"><div dir=\"rtl\">\xC7\xE1\xE4\xD5 \xC8\xC7\xE1\xE1\xDB\xC9 \xC7\xE1\xDA\xD1\xC8\xED\xC9</div></div>\r\n</div><br></div>\r\n</div><br></div>\r\n</div><br></div>" (BSON::InvalidStringEncoding) This is my code: require 'mail' require 'mongo' connection = Mongo::Connection.new db = connection.db("DB") db = Mongo::Connection.new.db("DB") newsCollection = db["news"] Mail.defaults do retriever_method :pop3, :address => "pop.gmail.com", :port => 995, :user_name => 'my_username', :password => '*****', :enable_ssl => true end emails = Mail.last #Checks if email is multipart and decods accordingly. Put to extract UTF8 from body plain_part = emails.multipart? ? (emails.text_part ? emails.text_part.body.decoded : nil) : emails.body.decoded html_part = emails.html_part ? emails.html_part.body.decoded : nil mongoMessage = {"date" => emails.date.to_s , "subject" => emails.subject , "body" => plain_part.encode('UTF-8') } msgID = newsCollection.insert(mongoMessage) #add the document to the database and returns it's ID puts msgID For English and Hebrew it works perfectly but it seems gmail is sending arabic with different encoding. Replacing UTF-8 with ASCII-8BIT gives a similar error. I get the same result when using plain_part for plain email messages. I am handling emails from one specific source so I can put html_part with confidence it's not causing the error. To make it extra weird Subject in Arabic is rendered perfectly. What encoding should I use?

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  • Global Temporary Table Concurrency

    - by sahs
    Hi, I have a global temp table which is set as delete on commit. How does it behave on concurrency issue? I mean what happens if another session wants to use that global temporary table? The answer will probably not be "they share the same data". Now, if my guess is correct :), is the table locked until the first connection commits, or does the dbms create a global temp table for each connection? ( something like an instance of the table? )

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  • PHP: Can pcntl_alarm() and socket_select() peacefully exist in the same thread?

    - by DWilliams
    I have a PHP CLI script mostly written that functions as a chat server for chat clients to connect to (don't ask me why I'm doing it in PHP, thats another story haha). My script utilizes the socket_select() function to hang execution until something happens on a socket, at which point it wakes up, processes the event, and waits until the next event. Now, there are some routine tasks that I need performed every 30 seconds or so (check of tempbanned users should be unbanned, save user databases, other assorted things). From what I can tell, PHP doesn't have very great multi-threading support at all. My first thought was to compare a timestamp every time the socket generates an event and gets the program flowing again, but this is very inconsistent since the server could very well sit idle for hours and not have any of my cleanup routines executed. I came across the PHP pcntl extensions, and it lets me use assign a time interval for SIGALRM to get sent and a function get executed every time it's sent. This seems like the ideal solution to my problem, however pcntl_alarm() and socket_select() clash with each other pretty bad. Every time SIGALRM is triggered, all sorts of crazy things happen to my socket control code. My program is fairly lengthy so I can't post it all here, but it shouldn't matter since I don't believe I'm doing anything wrong code-wise. My question is: Is there any way for a SIGALRM to be handled in the same thread as a waiting socket_select()? If so, how? If not, what are my alternatives here? Here's some output from my program. My alarm function simply outputs "Tick!" whenever it's called to make it easy to tell when stuff is happening. This is the output (including errors) after allowing it to tick 4 times (there were no actual attempts at connecting to the server despite what it says): [05-28-10 @ 20:01:05] Chat server started on 192.168.1.28 port 4050 [05-28-10 @ 20:01:05] Loaded 2 users from file PHP Notice: Undefined offset: 0 in /home/danny/projects/PHPChatServ/ChatServ.php on line 112 PHP Warning: socket_select(): unable to select [4]: Interrupted system call in /home/danny/projects/PHPChatServ/ChatServ.php on line 116 [05-28-10 @ 20:01:15] Tick! PHP Warning: socket_accept(): unable to accept incoming connection [4]: Interrupted system call in /home/danny/projects/PHPChatServ/ChatServ.php on line 126 [05-28-10 @ 20:01:25] Tick! PHP Warning: socket_getpeername() expects parameter 1 to be resource, boolean given in /home/danny/projects/PHPChatServ/ChatServ.php on line 129 [05-28-10 @ 20:01:25] Accepting socket connection from PHP Notice: Undefined offset: 1 in /home/danny/projects/PHPChatServ/ChatServ.php on line 112 PHP Warning: socket_select(): unable to select [4]: Interrupted system call in /home/danny/projects/PHPChatServ/ChatServ.php on line 116 [05-28-10 @ 20:01:35] Tick! PHP Warning: socket_accept(): unable to accept incoming connection [4]: Interrupted system call in /home/danny/projects/PHPChatServ/ChatServ.php on line 126 [05-28-10 @ 20:01:45] Tick! PHP Warning: socket_getpeername() expects parameter 1 to be resource, boolean given in /home/danny/projects/PHPChatServ/ChatServ.php on line 129 [05-28-10 @ 20:01:45] Accepting socket connection from PHP Notice: Undefined offset: 2 in /home/danny/projects/PHPChatServ/ChatServ.php on line 112

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