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#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 "strings.h"
#include "syscalls.h"
#include <errno.h>
#include <sys/stat.h>
static struct stat mfilestat;
static void _show_message_line(string line)
{
const string::size_type sender_pos = line.find(":");
if (sender_pos == string::npos)
mpr(line.c_str());
else
{
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_DGL_MESSAGE, 0);
if (Options.note_dgl_messages)
{
take_note(Note(NOTE_MESSAGE, MSGCH_DGL_MESSAGE, 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_u(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, false))
{
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_DGL_MESSAGE, "Your messages:");
say_got_msg = false;
}
_show_message_line(line);
}
if (!lock_file_handle(mf, false))
{
mprf(MSGCH_ERROR, "Failed to lock %s: %s",
SysEnv.messagefile.c_str(),
strerror(errno));
_kill_messaging(mf);
return;
}
}
if (!lock_file_handle(mf, true))
{
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(MSGCH_DGL_MESSAGE, "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
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