1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright : (C) 2008 by Eran Ifrah
// file name : consolefinder.cpp
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#include "consolefinder.h"
#include "exelocator.h"
#include "file_logger.h"
#include "macros.h"
#include "procutils.h"
ConsoleFinder::ConsoleFinder()
: m_nConsolePid(0)
, m_consoleCommand(TERMINAL_CMD)
{
}
ConsoleFinder::~ConsoleFinder() { FreeConsole(); }
void ConsoleFinder::FreeConsole()
{
if(m_nConsolePid) {
wxKill(m_nConsolePid, wxSIGKILL, NULL, wxKILL_CHILDREN);
m_nConsolePid = 0;
}
}
int ConsoleFinder::RunConsole(const wxString& title)
{
// start the xterm and put the shell to sleep with -e sleep 80000
// fetch the xterm tty so we can issue to gdb a "tty /dev/pts/#"
// redirecting program stdin/stdout/stderr to the xterm console.
#ifndef __WXMSW__
wxString cmd;
cmd = GetConsoleCommand();
cmd.Replace(wxT("$(TITLE)"), title);
cmd.Replace(wxT("$(CMD)"), wxString::Format(wxT("sleep %lu"), 80000 + wxGetProcessId()));
clDEBUG() << "Launching console:" << cmd;
m_nConsolePid = wxExecute(cmd, wxEXEC_ASYNC | wxEXEC_MAKE_GROUP_LEADER);
if(m_nConsolePid <= 0) {
return -1;
}
// Issue the PS command to get the /dev/tty device name
// First, wait for the xterm to settle down, else PS won't see the sleep task
wxSleep(1);
m_ConsoleTty = GetConsoleTty(m_nConsolePid);
if(m_ConsoleTty.IsEmpty()) {
FreeConsole();
return -1;
}
return m_nConsolePid;
#else //__WXMSW__
wxUnusedVar(title);
return -1;
#endif
}
wxString ConsoleFinder::GetConsoleTty(int ConsolePid)
{
#ifndef __WXMSW__
// execute the ps x -o command and read PS output to get the /dev/tty field
unsigned long ConsPid = ConsolePid;
wxString psCmd;
wxArrayString psOutput;
wxArrayString psErrors;
psCmd << wxT("ps x -o tty,pid,command");
ProcUtils::ExecuteCommand(psCmd, psOutput);
wxString ConsTtyStr;
wxString ConsPidStr;
ConsPidStr << ConsPid;
// find task with our unique sleep time
wxString uniqueSleepTimeStr;
uniqueSleepTimeStr << wxT("sleep ") << wxString::Format(wxT("%lu"), 80000 + ::wxGetProcessId());
// search the output of "ps pid" command
int knt = psOutput.GetCount();
for(int i = knt - 1; i > -1; --i) {
psCmd = psOutput.Item(i);
// find the pts/# or tty/# or whatever it's called
// by seaching the output of "ps x -o tty,pid,command" command.
// The output of ps looks like:
// TT PID COMMAND
// pts/0 13342 /bin/bash ./run.sh
// pts/0 13343 /home/pecanpecan/devel/trunk/src/devel/codeblocks
// pts/0 13361 /usr/bin/gdb -nx -fullname -quiet -args ./conio
// pts/0 13362 xterm -font -*-*-*-*-*-*-20-*-*-*-*-*-*-* -T Program Console -e sleep 93343
// pts/2 13363 sleep 93343
// ? 13365 /home/pecan/proj/conio/conio
// pts/1 13370 ps x -o tty,pid,command
if(psCmd.Contains(uniqueSleepTimeStr))
do { // check for correct "sleep" line
if(psCmd.Contains(wxT("-T")))
break; // error;wrong sleep line.
// found "sleep 93343" string, extract tty field
ConsTtyStr = wxT("/dev/") + psCmd.BeforeFirst(' ');
return ConsTtyStr;
} while(0); // if do
} // for
return wxEmptyString;
#else
wxUnusedVar(ConsolePid);
return wxEmptyString;
#endif
}
bool ConsoleFinder::FindConsole(const wxString& title, wxString& consoleName)
{
int pid = RunConsole(title);
if(pid > 0) {
consoleName = m_ConsoleTty;
return true;
}
return false;
}
|
