42/42_INT_05_minitalk
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dans server remplace signal par sigaction pour recuperer sender pid ok

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hugogogo
2021-08-31 12:41:23 +02:00
parent a5f922ed6e
commit a988550a35
7 changed files with 208 additions and 167 deletions
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builds/client.o
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builds/server.o
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client
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server
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srcs/client.c
+3 -1
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@@ -9,6 +9,7 @@ int usage(void)
void send_char(int server_pid, char c) void send_char(int server_pid, char c)
{ {
int mask; int mask;
mask = 1 << 6; mask = 1 << 6;
while (mask != 0) while (mask != 0)
{ {
@@ -17,7 +18,7 @@ void send_char(int server_pid, char c)
if ((c & mask) == 0) if ((c & mask) == 0)
kill(server_pid, SIGUSR2); kill(server_pid, SIGUSR2);
mask >>= 1; mask >>= 1;
usleep(20); usleep(1);
} }
} }
@@ -36,5 +37,6 @@ int main(int ac, char **av)
if (ac != 3) if (ac != 3)
return (usage()); return (usage());
send_message(ft_atoi(av[1]), av[2]); send_message(ft_atoi(av[1]), av[2]);
ft_putnbrendl((int)getpid());
return (0); return (0);
} }
srcs/server.c
+205 -156
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@@ -1,15 +1,19 @@
#include "minitalk.h" #include "minitalk.h"
void sig_handler_1(int sig_num) void sig_handler_1(int sig_num, siginfo_t *info, void *context)
{ {
(void)sig_num; (void)sig_num;
(void)context;
kill(info->sa__pid, SIGUSR1);
message.character ^= 1 << (6 - message.count_bits); message.character ^= 1 << (6 - message.count_bits);
message.count_bits++; message.count_bits++;
} }
void sig_handler_2(int sig_num) void sig_handler_2(int sig_num, siginfo_t *info, void *context)
{ {
(void)sig_num; (void)sig_num;
(void)context;
kill(info->sa__pid, SIGUSR2);
message.count_bits++; message.count_bits++;
} }
@@ -38,8 +42,15 @@ void concat_msg()
int main() int main()
{ {
signal(SIGUSR1, sig_handler_1); struct sigaction act_1;
signal(SIGUSR2, sig_handler_2); struct sigaction act_2;
act_1.sa_flags = SA_SIGINFO;
act_1.sa_sigaction = sig_handler_1;
act_2.sa_flags = SA_SIGINFO;
act_2.sa_sigaction = sig_handler_2;
sigaction(SIGUSR1, &act_1, NULL);
sigaction(SIGUSR2, &act_2, NULL);
ft_putnbrendl((int)getpid()); ft_putnbrendl((int)getpid());
init_message(); init_message();
while (1) while (1)
@@ -48,161 +59,199 @@ int main()
} }
/* /*
** allowed functions : ** # # # # # # # # # # # # # # # # # # # #
** - write ** INSTRUCTIONS
** - signal **
** - sigemptyset ** allowed functions :
** - sigaddset ** - write
** - sigaction ** - signal
** - kill ** - sigemptyset
** - getpid ** - sigaddset
** - malloc ** - sigaction
** - free ** - kill
** - pause ** - getpid
** - sleep ** - malloc
** - usleep ** - free
** - exit ** - pause
** - sleep
** - usleep
** - exit
**
** you can only use two signals :
** - SIGUSR1
** - SIGUSR2
** **
** **
** cmm ** # # # # # # # # # # # # # # # # # # # #
** deii ** ressources
** enlc
** ctlr
** iiio
** 0.0010
** 10
** **
** you can only use two signals : ** use of getpid : https://www.includehelp.com/c/getpid-and-getppid-functions-in-c-linux.aspx
** - SIGUSR1 ** use of signal : https://linuxhint.com/signal_handlers_c_programming_language
** - SIGUSR2 ** use of sigaction : https://stackoverflow.com/a/17572787/9497573
** standard signal vs real time signals (with queue option) : https://www.softprayog.in/programming/posix-real-time-signals-in-linux
** **
** 1 000 0 **
** 2 001 1 2 ** # # # # # # # # # # # # # # # # # # # #
** 3 002 10 ** UNITS PREFIX
** 4 003 11 2 **
** 5 004 100 ** times in seconds, deci, centi, milli, micros and nano :
** 6 005 101 **
** 7 006 110 ** c m m
** 8 007 111 4 ** d e i i n
** 9 008 1000 ** e n l c a
** 10 009 1001 ** c t l r n
** 11 010 1010 ** i i i o o
** 12 011 1011 **
** 13 012 1100 ** 0 . 0 0 1 0 0
** 14 013 1101 **
** 15 014 1110 **
** 16 015 1111 8 ** # # # # # # # # # # # # # # # # # # # #
** 17 016 10000 ** CODE TO CALCULATE TIME IN MICROSECONDS
** 18 017 10001 **
** 19 018 10010 ** found here https://stackoverflow.com/questions/5833094/get-a-timestamp-in-c-in-microseconds
** 20 019 10011 **
** 21 020 10100 ** #include <stdint.h>
** 22 021 10101 ** #include <sys/time.h>
** 23 022 10110 ** uint64_t micros() {
** 24 023 10111 ** struct timeval tv;
** 25 024 11000 ** gettimeofday(&tv,NULL);
** 26 025 11001 ** return tv.tv_sec*(uint64_t)1000000+tv.tv_usec;
** 27 026 11010 ** }
** 28 027 11011 ** uint64_t t1;
** 29 028 11100 ** uint64_t t2;
** 30 029 11101 **
** 31 030 11110 **
** 32 031 11111 16 ** # # # # # # # # # # # # # # # # # # # #
** 33 032 100000 ** BINARY NUMBERS
** 34 033 100001 **
** 35 034 100010 ** 1 000 0
** 36 035 100011 ** 2 001 1 2
** 37 036 100100 ** 3 002 10
** 38 037 100101 ** 4 003 11 2
** 39 038 100110 ** 5 004 100
** 40 039 100111 ** 6 005 101
** 41 040 101000 ** 7 006 110
** 42 041 101001 ** 8 007 111 4
** 43 042 101010 ** 9 008 1000
** 44 043 101011 ** 10 009 1001
** 45 044 101100 ** 11 010 1010
** 46 045 101101 ** 12 011 1011
** 47 046 101110 ** 13 012 1100
** 48 047 101111 ** 14 013 1101
** 49 048 110000 ** 15 014 1110
** 50 049 110001 ** 16 015 1111 8
** 51 050 110010 ** 17 016 10000
** 52 051 110011 ** 18 017 10001
** 53 052 110100 ** 19 018 10010
** 54 053 110101 ** 20 019 10011
** 55 054 110110 ** 21 020 10100
** 56 055 110111 ** 22 021 10101
** 57 056 111000 ** 23 022 10110
** 58 057 111001 ** 24 023 10111
** 59 058 111010 ** 25 024 11000
** 60 059 111011 ** 26 025 11001
** 61 060 111100 ** 27 026 11010
** 62 061 111101 ** 28 027 11011
** 63 062 111110 ** 29 028 11100
** 64 063 111111 32 ** 30 029 11101
** 65 064 1000000 ** 31 030 11110
** 66 065 1000001 ** 32 031 11111 16
** 67 066 1000010 ** 33 032 100000
** 68 067 1000011 ** 34 033 100001
** 69 068 1000100 ** 35 034 100010
** 70 069 1000101 ** 36 035 100011
** 71 070 1000110 ** 37 036 100100
** 72 071 1000111 ** 38 037 100101
** 73 072 1001000 ** 39 038 100110
** 74 073 1001001 ** 40 039 100111
** 75 074 1001010 ** 41 040 101000
** 76 075 1001011 ** 42 041 101001
** 77 076 1001100 ** 43 042 101010
** 78 077 1001101 ** 44 043 101011
** 79 078 1001110 ** 45 044 101100
** 80 079 1001111 ** 46 045 101101
** 81 080 1010000 ** 47 046 101110
** 82 081 1010001 ** 48 047 101111
** 83 082 1010010 ** 49 048 110000
** 84 083 1010011 ** 50 049 110001
** 85 084 1010100 ** 51 050 110010
** 86 085 1010101 ** 52 051 110011
** 87 086 1010110 ** 53 052 110100
** 88 087 1010111 ** 54 053 110101
** 89 088 1011000 ** 55 054 110110
** 90 089 1011001 ** 56 055 110111
** 91 090 1011010 ** 57 056 111000
** 92 091 1011011 ** 58 057 111001
** 93 092 1011100 ** 59 058 111010
** 94 093 1011101 ** 60 059 111011
** 95 094 1011110 ** 61 060 111100
** 96 095 1011111 ** 62 061 111101
** 97 096 1100000 ** 63 062 111110
** 98 097 1100001 ** 64 063 111111 32
** 99 098 1100010 ** 65 064 1000000
** 100 099 1100011 ** 66 065 1000001
** 101 100 1100100 ** 67 066 1000010
** 102 101 1100101 ** 68 067 1000011
** 103 102 1100110 ** 69 068 1000100
** 104 103 1100111 ** 70 069 1000101
** 105 104 1101000 ** 71 070 1000110
** 106 105 1101001 ** 72 071 1000111
** 107 106 1101010 ** 73 072 1001000
** 108 107 1101011 ** 74 073 1001001
** 109 108 1101100 ** 75 074 1001010
** 110 109 1101101 ** 76 075 1001011
** 111 110 1101110 ** 77 076 1001100
** 112 111 1101111 ** 78 077 1001101
** 113 112 1110000 ** 79 078 1001110
** 114 113 1110001 ** 80 079 1001111
** 115 114 1110010 ** 81 080 1010000
** 116 115 1110011 ** 82 081 1010001
** 117 116 1110100 ** 83 082 1010010
** 118 117 1110101 ** 84 083 1010011
** 119 118 1110110 ** 85 084 1010100
** 120 119 1110111 ** 86 085 1010101
** 121 120 1111000 ** 87 086 1010110
** 122 121 1111001 ** 88 087 1010111
** 123 122 1111010 ** 89 088 1011000
** 124 123 1111011 ** 90 089 1011001
** 125 124 1111100 ** 91 090 1011010
** 126 125 1111101 ** 92 091 1011011
** 127 126 1111110 ** 93 092 1011100
** 128 127 1111111 64 ** 94 093 1011101
** 95 094 1011110
** 96 095 1011111
** 97 096 1100000
** 98 097 1100001
** 99 098 1100010
** 100 099 1100011
** 101 100 1100100
** 102 101 1100101
** 103 102 1100110
** 104 103 1100111
** 105 104 1101000
** 106 105 1101001
** 107 106 1101010
** 108 107 1101011
** 109 108 1101100
** 110 109 1101101
** 111 110 1101110
** 112 111 1101111
** 113 112 1110000
** 114 113 1110001
** 115 114 1110010
** 116 115 1110011
** 117 116 1110100
** 118 117 1110101
** 119 118 1110110
** 120 119 1110111
** 121 120 1111000
** 122 121 1111001
** 123 122 1111010
** 124 123 1111011
** 125 124 1111100
** 126 125 1111101
** 127 126 1111110
** 128 127 1111111 64
** # # # # # # # # # # # # # # # # # # # #
** **
*/ */
test.txt
-10
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@@ -1,10 +0,0 @@
18112
cnealin azelj aze .
cnealin azelj aze .
cnealin azelj aze .
cnealin azelj aze
cnealin azelj aze.....
21377
cnealin azelj aze.....
cnealin azelj aze
salut heuuu