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overloaded and otherwise disgusting lines. It should work well even on lines on which TCP completely chokes. The transmission is performed at user-preprogrammed fixed data rate with no flow control, only with lost-packet retransmits. Brutalcopy always transfers the file without error, even on erroneous lines. It uses a CRC-32 checksum algorithm together with the checksum in the UDP packets. PR: ports/76239 Submitted by: Radim Kolar <hsn@netmag.cz>
54 lines
2.3 KiB
Text
54 lines
2.3 KiB
Text
--- bcpc.c.orig Sat Dec 29 15:03:13 2001
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+++ bcpc.c Tue Jan 11 18:49:25 2005
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@@ -80,24 +80,23 @@
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void
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print_help(void)
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{
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- fprintf(stderr,"bcpc -- a Brutalcopy client half
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-Brutalcopy (c) 2000 Karel Kulhavy, Clocksoft
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-
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-Brutalcopy is a program for transferring rather large files by means of UDP
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-protocol in order to bypass TCP tendency to screw up on bad lines. Brutalcopy is
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-based on manual flow control.
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-
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-Usage: bcpc -l <server hostname> -p <server port> [-h] [-i
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-<filename>] [-s <payload_size>] [-r <sot_retransmit_time>] [-b <bytes_per_sec>]
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-
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--l <server> DNS name or IP address (in dot notation) of the server.
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--p <dist_port> Port must be some high number (>=1024). Default is 1235.
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--h Prints out help and ends.
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--i <filename> File to dump the received data from. Default is bcp.dat.
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--s <payload> Number of bytes as a data payload in a single packet.
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--r <srt> Number of microsecond after which is SOT retransmitted.
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--b <Bps> Bytes of payload per second
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-");
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+ fprintf(stderr,"bcpc -- a Brutalcopy client half\n"
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+"Brutalcopy (c) 2000 Karel Kulhavy, Clocksoft\n"
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+"\n"
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+"Brutalcopy is a program for transferring rather large files by means of UDP\n"
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+"protocol in order to bypass TCP tendency to screw up on bad lines. Brutalcopy is\n"
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+"based on manual flow control.\n"
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+"\n"
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+"Usage: bcpc -l <server hostname> -p <server port> [-h] [-i\n"
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+"<filename>] [-s <payload_size>] [-r <sot_retransmit_time>] [-b <bytes_per_sec>]\n"
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+"-l <server> DNS name or IP address (in dot notation) of the server.\n"
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+"-p <dist_port> Port must be some high number (>=1024). Default is 1235.\n"
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+"-h Prints out help and ends.\n"
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+"-i <filename> File to dump the received data from. Default is bcp.dat.\n"
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+"-s <payload> Number of bytes as a data payload in a single packet.\n"
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+"-r <srt> Number of microsecond after which is SOT retransmitted.\n"
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+"-b <Bps> Bytes of payload per second\n"
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+"\n");
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}
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void
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@@ -289,8 +288,7 @@
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if (n>=n_packets)
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{
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- fprintf(stderr,"Invalid packet seq# of %u from %lu came! It means data are
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-corrupted. Quitting immediately.\n",n,n_packets);
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+ fprintf(stderr,"Invalid packet seq# of %u from %lu came! It means data are\ncorrupted. Quitting immediately.\n",n,n_packets);
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die();
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}
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if ((bitmap[byte]>>bit)&1) return;
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