[2] | 1 | #ifndef TTY_H |
---|
| 2 | #define TTY_H |
---|
| 3 | #include <fcntl.h> |
---|
| 4 | #include <stdarg.h> |
---|
| 5 | #include <stdio.h> |
---|
| 6 | |
---|
| 7 | #include <unistd.h> |
---|
| 8 | #include <signal.h> |
---|
| 9 | #include <stdint.h> |
---|
| 10 | #include <iostream> |
---|
| 11 | #include "xtty.h" |
---|
| 12 | |
---|
| 13 | using namespace std; |
---|
| 14 | |
---|
| 15 | namespace hierarchy_memory { |
---|
| 16 | namespace tty { |
---|
| 17 | |
---|
| 18 | class param_t |
---|
| 19 | { |
---|
| 20 | public : char * name; |
---|
| 21 | public : uint32_t nb_tty; |
---|
| 22 | public : char ** name_tty; |
---|
| 23 | public : bool with_xtty; |
---|
| 24 | |
---|
| 25 | public : param_t () {}; |
---|
| 26 | |
---|
| 27 | public : param_t (char * name , |
---|
| 28 | uint32_t nb_tty , |
---|
| 29 | char ** name_tty, |
---|
| 30 | bool with_xtty) |
---|
| 31 | { |
---|
| 32 | this->name = name; |
---|
| 33 | this->nb_tty = nb_tty; |
---|
| 34 | this->name_tty = name_tty; |
---|
| 35 | this->with_xtty = with_xtty; |
---|
| 36 | } |
---|
| 37 | }; |
---|
| 38 | |
---|
| 39 | class Tty |
---|
| 40 | { |
---|
| 41 | private : char * name; |
---|
| 42 | protected : const uint32_t nb_tty; |
---|
| 43 | private : const bool with_xtty; |
---|
| 44 | private : xtty_t * xtty; |
---|
| 45 | |
---|
| 46 | public : Tty (param_t param): |
---|
| 47 | nb_tty (param.nb_tty), |
---|
| 48 | with_xtty (param.with_xtty) |
---|
| 49 | { |
---|
| 50 | uint32_t size_name = strlen(param.name)+1; |
---|
| 51 | name = new char [size_name]; |
---|
| 52 | strncpy(name,param.name,size_name); |
---|
| 53 | |
---|
| 54 | xtty = new xtty_t [nb_tty]; |
---|
| 55 | |
---|
| 56 | for (uint32_t i = 0; i < nb_tty; i++) |
---|
| 57 | { |
---|
| 58 | // ***** Create a log_file ***** |
---|
| 59 | xtty [i].log_file = fopen(param.name_tty[i],"w"); |
---|
| 60 | |
---|
| 61 | if (xtty [i].log_file == NULL) |
---|
| 62 | { |
---|
| 63 | // Error |
---|
| 64 | cerr << "<Tty> Can't open the file : \"" << param.name_tty[i] << "\"" << endl; |
---|
| 65 | exit(1); |
---|
| 66 | } |
---|
| 67 | |
---|
| 68 | if (with_xtty == true) |
---|
| 69 | { |
---|
| 70 | // ***** TTY and pipe init ***** |
---|
| 71 | canal canal_output; |
---|
| 72 | |
---|
| 73 | if (pipe (canal_output.CanalPipe) != 0) |
---|
| 74 | { |
---|
| 75 | cerr << "<Tty> Error in pipe creation" << endl; |
---|
| 76 | exit(1); |
---|
| 77 | } |
---|
| 78 | |
---|
| 79 | if ((xtty[i].pid = fork()) == 0) |
---|
| 80 | { |
---|
| 81 | // Childen -> transform in a xtty |
---|
| 82 | close(0); |
---|
| 83 | dup (canal_output.CanalPipe [0]); |
---|
| 84 | close(1); |
---|
| 85 | execlp("xtty","xtty", param.name_tty [i] ,NULL); // devient un tty |
---|
| 86 | |
---|
| 87 | cerr << "<Tty> Error in the creation of tty" << endl; |
---|
| 88 | exit (1); |
---|
| 89 | } |
---|
| 90 | else |
---|
| 91 | { |
---|
| 92 | // father |
---|
| 93 | xtty[i].pipe_output = canal_output.CanalPipe [1]; |
---|
| 94 | } |
---|
| 95 | } |
---|
| 96 | }//end for |
---|
| 97 | } |
---|
| 98 | |
---|
| 99 | public : ~Tty () |
---|
| 100 | { |
---|
| 101 | // Kill all tty |
---|
| 102 | for (unsigned int i=0; i<nb_tty; i++) |
---|
| 103 | { |
---|
| 104 | if (with_xtty == true) |
---|
| 105 | if (xtty[i].pid) |
---|
| 106 | kill(xtty[i].pid,SIGTERM); |
---|
| 107 | fclose(xtty[i].log_file); |
---|
| 108 | } |
---|
| 109 | |
---|
| 110 | } |
---|
| 111 | public : void reset () |
---|
| 112 | { |
---|
| 113 | } |
---|
| 114 | |
---|
| 115 | //*****[ write ]***** |
---|
| 116 | public : bool write (uint32_t num_tty, char data) |
---|
| 117 | { |
---|
| 118 | if (num_tty >= nb_tty) |
---|
| 119 | return false; |
---|
| 120 | char write_data = data; |
---|
| 121 | |
---|
| 122 | if (with_xtty == true) |
---|
| 123 | ::write (xtty[num_tty].pipe_output, &write_data, 1); |
---|
| 124 | fputc (data, xtty[num_tty].log_file); |
---|
| 125 | |
---|
| 126 | return true; |
---|
| 127 | } |
---|
| 128 | |
---|
| 129 | public : friend ostream& operator<< (ostream& output_stream, const Tty & x) |
---|
| 130 | { |
---|
| 131 | output_stream << "<" << x.name << ">" << endl; |
---|
| 132 | output_stream << " * nb_tty : " << x.nb_tty << endl; |
---|
| 133 | |
---|
| 134 | return output_stream; |
---|
| 135 | }; |
---|
| 136 | }; |
---|
| 137 | |
---|
| 138 | };}; //end namespace |
---|
| 139 | #endif //!TTY_H |
---|