Hello~
I Have Some Questions About Unix Library
1) Why do these exceptions occur ?
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Objective Caml version 2.04
# open Unix ;;
# let theSocket = socket PF_INET SOCK_STREAM 0 ;;
val theSocket : Unix.file_descr = <abstr>
# let theSocket = socket PF_INET SOCK_DGRAM 0 ;;
val theSocket : Unix.file_descr = <abstr>
# let theSocket = socket PF_INET SOCK_RAW 0 ;;
Uncaught exception: Unix.Unix_error(1, "socket", "")
# let theSocket = socket PF_INET SOCK_SEQPACKET 0 ;;
Uncaught exception: Unix.Unix_error(45, "socket", "")
#
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2) What is the differences of 4 socket_type ?
Stream socket, Datagram socket, Raw socket, Sequenced packets socket
3) Error with using connection function
Could you let me know the error code(63)
and why does this error occur?
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Objective Caml version 2.04
# open Unix ;;
# let addr = inet_addr_of_string "***.***.***.***" ;;
val addr : Unix.inet_addr = <abstr>
# let socketAddr = ADDR_INET( addr , 21 ) ;;
val socketAddr : Unix.sockaddr = ADDR_INET (<abstr>, 21)
# let theSocket = socket PF_INET SOCK_STREAM 0 ;;
val theSocket : Unix.file_descr = <abstr>
# connect theSocket socketAddr ;;
Uncaught exception: Unix.Unix_error(63, "connect", "")
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4) Where can I get more specific information(examples, docs, papers)
about ocaml library especially unix library
(in order to design & implement bigger network library of ocaml
for building web-server, web-browser etc... )
@ thank you
-bskim@ropas.kaist.ac.kr
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