static void
init_BPF_PROG_LOAD_attr4(struct bpf_attr_check *check)
{
struct BPF_PROG_LOAD_struct *attr = &check->data.BPF_PROG_LOAD_data;
attr->insns = (uintptr_t) insns;
attr->license = (uintptr_t) license;
attr->log_buf = (uintptr_t) get_log_buf();
attr->prog_ifindex = ifindex_lo();
strncpy(log_buf, "log test", 9);
}
static inline char *
get_log_buf_tail(void)
{
return get_log_buf() + log_buf_size;
}
////输出到控制台窗口的调试日志
void debug(const char *fmt, ...)
{
if(!log_ready)
return;
va_list arg = (va_list)((char *)(&fmt) + 4);
/* 同步log */
if(!is_async_log){
char buf[512];
int len = vsprintf(buf,fmt,arg);
buf[len++] = '\n';
buf[len++] = 0;
int wait_count = 100000;
while(debug_running && wait_count--){
//print_on_screen3("other debug is running");
//nothing
}
if(wait_count == 0){
panic("debug wait timeout: %s",buf);
}
debug_running = 1;
cons_putstr0(log_win->task->cons,buf);
debug_running = 0;
return;
}
//return;
static int invoke = 0; /* 为了检测debug是否已经被嵌套调用了 */
invoke++;
/* 申请日志的缓冲 */
cli();
char * buf=get_log_buf(log_buf_mgr);
sti();
if(buf == NULL){
print_on_screen3("no log buf");
invoke--;
return;
}
int len = vsprintf(buf,fmt,arg);
buf[len++] = '\n';
buf[len++] = 0;
if(strlen(buf) + 2 > LOG_ENTRY_SIZE){
panic("log is too log: %s", buf);
}
if(invoke > 10){
panic("debug may invoke recursively: %s",buf);
}
if(is_async_log){
if(log_win != 0){
io_cli();
//print_on_screen3("utls: add log process[%d,%s]",log_fifo_buffer->task->pid,log_fifo_buffer->task->name);
int retval = fifo32_put(log_fifo_buffer,(int)buf);
if(retval == -1){ /* fifo已满 */
//释放日志缓冲
put_log_buf(log_buf_mgr,buf);
}
io_sti();
}else{
/* 释放日志缓冲 */
io_cli();
put_log_buf(log_buf_mgr,buf);
io_sti();
}
}
invoke--;
return;
}
