1 |
/*--------------------------------*-C-*---------------------------------* |
2 |
* File: rxvtdaemon.C |
3 |
*----------------------------------------------------------------------* |
4 |
* |
5 |
* All portions of code are copyright by their respective author/s. |
6 |
* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> |
7 |
* |
8 |
* This program is free software; you can redistribute it and/or modify |
9 |
* it under the terms of the GNU General Public License as published by |
10 |
* the Free Software Foundation; either version 2 of the License, or |
11 |
* (at your option) any later version. |
12 |
* |
13 |
* This program is distributed in the hope that it will be useful, |
14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 |
* GNU General Public License for more details. |
17 |
* |
18 |
* You should have received a copy of the GNU General Public License |
19 |
* along with this program; if not, write to the Free Software |
20 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 |
*----------------------------------------------------------------------*/ |
22 |
|
23 |
#include <cstdlib> |
24 |
#include <cstring> |
25 |
#include <cstdio> |
26 |
|
27 |
#include <inttypes.h> |
28 |
#include <unistd.h> |
29 |
#include <errno.h> |
30 |
#include <sys/types.h> |
31 |
#include <sys/utsname.h> |
32 |
#include <limits.h> |
33 |
|
34 |
#include "rxvtdaemon.h" |
35 |
|
36 |
char *rxvt_connection::unix_sockname () |
37 |
{ |
38 |
char name[PATH_MAX]; |
39 |
char *path = getenv ("RXVT_SOCKET"); |
40 |
|
41 |
if (!path) |
42 |
{ |
43 |
struct utsname u; |
44 |
uname (&u); |
45 |
|
46 |
path = getenv ("HOME"); |
47 |
snprintf (name, PATH_MAX, "%s/.rxvt-unicode-%s", |
48 |
path ? path : "/tmp", |
49 |
u.nodename); |
50 |
|
51 |
path = name; |
52 |
} |
53 |
|
54 |
return strdup (path); |
55 |
} |
56 |
|
57 |
void rxvt_connection::send (const char *data, int len) |
58 |
{ |
59 |
uint8_t s[2]; |
60 |
|
61 |
if (len > 65535) |
62 |
len = 65535; |
63 |
|
64 |
s[0] = len >> 8; s[1] = len; |
65 |
|
66 |
write (fd, s, 2); |
67 |
write (fd, data, len); |
68 |
} |
69 |
|
70 |
void rxvt_connection::send (const char *data) |
71 |
{ |
72 |
send (data, strlen (data)); |
73 |
} |
74 |
|
75 |
bool rxvt_connection::recv (auto_str &data, int *len) |
76 |
{ |
77 |
uint8_t s[2]; |
78 |
int l; |
79 |
|
80 |
if (read (fd, s, 2) != 2) |
81 |
return false; |
82 |
|
83 |
l = (s[0] << 8) + s[1]; |
84 |
if (l > 65535) |
85 |
return false; |
86 |
|
87 |
if (len) |
88 |
*len = l; |
89 |
|
90 |
data = new char[l + 1]; |
91 |
|
92 |
if (!data) |
93 |
return false; |
94 |
|
95 |
if (read (fd, data, l) != l) |
96 |
return false; |
97 |
|
98 |
data[l] = 0; |
99 |
|
100 |
return true; |
101 |
} |
102 |
|
103 |
void rxvt_connection::send (int data) |
104 |
{ |
105 |
uint8_t s[4]; |
106 |
|
107 |
s[0] = data >> 24; s[1] = data >> 16; s[2] = data >> 8; s[3] = data; |
108 |
|
109 |
write (fd, s, 4); |
110 |
} |
111 |
|
112 |
bool rxvt_connection::recv (int &data) |
113 |
{ |
114 |
uint8_t s[4]; |
115 |
|
116 |
if (read (fd, s, 4) != 4) |
117 |
return false; |
118 |
|
119 |
data = (((((s[0] << 8) | s[1]) << 8) | s[2]) << 8) | s[3]; |
120 |
|
121 |
return true; |
122 |
} |
123 |
|
124 |
|
125 |
|