tb_void_t tb_trace_tail(tb_char_t const* format, ...)
{
// check
tb_check_return(format);
// enter
tb_spinlock_enter_without_profiler(&g_lock);
// done
do
{
// check
tb_check_break(g_mode);
// init
tb_va_list_t l;
tb_char_t* p = g_line;
tb_char_t* e = g_line + sizeof(g_line);
tb_va_start(l, format);
// append format
if (p < e) p += tb_vsnprintf(p, e - p, format, l);
// append end
if (p < e) *p = '\0';
e[-1] = '\0';
// print it
if (g_mode & TB_TRACE_MODE_PRINT) tb_print(g_line);
// print it to file
#ifndef TB_CONFIG_MICRO_ENABLE
if ((g_mode & TB_TRACE_MODE_FILE) && g_file)
{
// done
tb_size_t size = p - g_line;
tb_size_t writ = 0;
while (writ < size)
{
// writ it
tb_long_t real = tb_file_writ(g_file, (tb_byte_t const*)g_line + writ, size - writ);
tb_check_break(real > 0);
// save size
writ += real;
}
}
#endif
// exit
tb_va_end(l);
} while (0);
// leave
tb_spinlock_leave(&g_lock);
}
tb_hong_t tb_file_writf(tb_file_ref_t file, tb_file_ref_t ifile, tb_hize_t offset, tb_hize_t size)
{
// check
tb_assert_and_check_return_val(file && ifile && size, -1);
#ifdef TB_CONFIG_POSIX_HAVE_SENDFILE
// writ it
off_t seek = offset;
tb_hong_t real = sendfile(tb_file2fd(file), tb_file2fd(ifile), &seek, (size_t)size);
// ok?
if (real >= 0) return real;
// continue?
if (errno == EINTR || errno == EAGAIN) return 0;
// error
return -1;
#else
// read data
tb_byte_t data[8192];
tb_long_t read = tb_file_pread(ifile, data, sizeof(data), offset);
tb_check_return_val(read > 0, read);
// writ data
tb_size_t writ = 0;
while (writ < read)
{
tb_long_t real = tb_file_writ(file, data + writ, read - writ);
if (real > 0) writ += real;
else break;
}
// ok?
return writ == read? writ : -1;
#endif
}
tb_void_t tb_trace_done_with_args(tb_char_t const* prefix, tb_char_t const* module, tb_char_t const* format, tb_va_list_t args)
{
// check
tb_check_return(format);
// enter
tb_spinlock_enter_without_profiler(&g_lock);
// done
do
{
// check
tb_check_break(g_mode);
// init
tb_char_t* p = g_line;
tb_char_t* e = g_line + sizeof(g_line);
// print prefix to file
if ((g_mode & TB_TRACE_MODE_FILE) && g_file)
{
// print time to file
tb_tm_t lt = {0};
if (p < e && tb_localtime(tb_time(), <))
p += tb_snprintf(p, e - p, "[%04ld-%02ld-%02ld %02ld:%02ld:%02ld]: ", lt.year, lt.month, lt.mday, lt.hour, lt.minute, lt.second);
// print self to file
if (p < e) p += tb_snprintf(p, e - p, "[%lx]: ", tb_thread_self());
}
// append prefix
tb_char_t* b = p;
if (prefix && p < e) p += tb_snprintf(p, e - p, "[%s]: ", prefix);
// append module
if (module && p < e) p += tb_snprintf(p, e - p, "[%s]: ", module);
// append format
if (p < e) p += tb_vsnprintf(p, e - p, format, args);
// append end
if (p < e) *p = '\0'; e[-1] = '\0';
// print it
if (g_mode & TB_TRACE_MODE_PRINT) tb_print(b);
// print it to file
if ((g_mode & TB_TRACE_MODE_FILE) && g_file)
{
// done
tb_size_t size = p - g_line;
tb_size_t writ = 0;
while (writ < size)
{
// writ it
tb_long_t real = tb_file_writ(g_file, (tb_byte_t const*)g_line + writ, size - writ);
tb_check_break(real > 0);
// save size
writ += real;
}
}
} while (0);
// leave
tb_spinlock_leave(&g_lock);
}
