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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
#include "AppHdr.h"
#ifdef DGL_SIMPLE_MESSAGING
#include "dgl-message.h"
#include "files.h"
#include "format.h"
#include "initfile.h"
#include "libutil.h"
#include "message.h"
#include "notes.h"
#include "options.h"
#include "output.h"
#include <errno.h>
static struct stat mfilestat;
static void _show_message_line(std::string line)
{
const std::string::size_type sender_pos = line.find(":");
if (sender_pos == std::string::npos)
mpr(line.c_str());
else
{
std::string sender = line.substr(0, sender_pos);
line = line.substr(sender_pos + 1);
trim_string(line);
formatted_string fs;
fs.textcolor(WHITE);
fs.cprintf("%s: ", sender.c_str());
fs.textcolor(LIGHTGREY);
fs.cprintf("%s", line.c_str());
formatted_mpr(fs, MSGCH_PLAIN, 0);
take_note(Note(NOTE_MESSAGE, MSGCH_PLAIN, 0,
(sender + ": " + line).c_str()));
}
}
static void _kill_messaging(FILE *mf)
{
if (mf)
fclose(mf);
SysEnv.have_messages = false;
Options.messaging = false;
}
static void _read_each_message()
{
bool say_got_msg = true;
FILE *mf = fopen(SysEnv.messagefile.c_str(), "r+");
if (!mf)
{
mprf(MSGCH_ERROR, "Couldn't read %s: %s", SysEnv.messagefile.c_str(),
strerror(errno));
_kill_messaging(mf);
return;
}
// Read messages, code borrowed from the SIMPLEMAIL patch.
char line[120];
if (!lock_file_handle(mf, F_RDLCK))
{
mprf(MSGCH_ERROR, "Failed to lock %s: %s", SysEnv.messagefile.c_str(),
strerror(errno));
_kill_messaging(mf);
return;
}
while (fgets(line, sizeof line, mf))
{
unlock_file_handle(mf);
const int len = strlen(line);
if (len)
{
if (line[len - 1] == '\n')
line[len - 1] = 0;
if (say_got_msg)
{
mprf(MSGCH_PROMPT, "Your messages:");
say_got_msg = false;
}
_show_message_line(line);
}
if (!lock_file_handle(mf, F_RDLCK))
{
mprf(MSGCH_ERROR, "Failed to lock %s: %s",
SysEnv.messagefile.c_str(),
strerror(errno));
_kill_messaging(mf);
return;
}
}
if (!lock_file_handle(mf, F_WRLCK))
{
mprf(MSGCH_ERROR, "Unable to write lock %s: %s",
SysEnv.messagefile.c_str(),
strerror(errno));
}
if (!ftruncate(fileno(mf), 0))
mfilestat.st_mtime = 0;
unlock_file_handle(mf);
fclose(mf);
SysEnv.have_messages = false;
}
void read_messages()
{
_read_each_message();
update_message_status();
}
static void _announce_messages()
{
// XXX: We could do a NetHack-like mail daemon here at some point.
mprf("Beep! Your pager goes off! Use _ to check your messages.");
}
void check_messages()
{
if (!Options.messaging
|| SysEnv.have_messages
|| SysEnv.messagefile.empty()
|| kbhit()
|| (SysEnv.message_check_tick++ % DGL_MESSAGE_CHECK_INTERVAL))
{
return;
}
const bool had_messages = SysEnv.have_messages;
struct stat st;
if (stat(SysEnv.messagefile.c_str(), &st))
{
mfilestat.st_mtime = 0;
return;
}
if (st.st_mtime > mfilestat.st_mtime)
{
if (st.st_size)
SysEnv.have_messages = true;
mfilestat.st_mtime = st.st_mtime;
}
if (SysEnv.have_messages && !had_messages)
{
_announce_messages();
update_message_status();
}
}
#endif
|
