int init_iothread(/*out*/iothread_t* iothr)
{
int err;
thread_t* old_thread = iothr->thread;
thread_t* thread;
// DESIGN-TASK:::
// TODO: implement thread pool / one thread per io device !
// - move thread into thread pool
// - remove old_thread and iothr->thread = 0 assignment ! after thread pool creation
// - use iothread pool
iothr->thread = 0;
if (! PROCESS_testerrortimer(&s_iothread_errtimer, &err)) {
err = newgeneric_thread(&thread, &ioop_worker_thread, iothr);
}
if (err) goto ONERR;
// set out
iothr->request_stop = 0;
init_iolist(&iothr->iolist);
write_atomicint(&iothr->thread, thread);
// start worker
resume_thread(thread);
return 0;
ONERR:
iothr->thread = old_thread;
TRACEEXIT_ERRLOG(err);
return err;
}
static int test_update(void)
{
logbuffer_t logbuf = logbuffer_FREE;
thread_t * thread = 0;
pipe_t pipe = pipe_FREE;
uint8_t buffer[1024];
uint8_t readbuffer[1024+1];
// prepare
TEST(0 == init_pipe(&pipe));
logbuf = (logbuffer_t) logbuffer_INIT(sizeof(buffer), buffer, pipe.write);
// TEST truncate_logbuffer
for (unsigned i = 0; i < 32; ++i) {
logbuf.logsize = 32;
logbuf.addr[i] = 'a';
truncate_logbuffer(&logbuf, i);
TEST(logbuf.addr == buffer);
TEST(logbuf.size == sizeof(buffer));
TEST(logbuf.io == pipe.write);
TEST(logbuf.addr[i] == 0);
TEST(logbuf.logsize == i);
}
// TEST truncate_logbuffer: parameter with bigger or equal size are ignored
for (unsigned i = 0; i < 32; ++i) {
logbuf.logsize = i;
logbuf.addr[i] = 'a';
logbuf.addr[i+1] = 'a';
truncate_logbuffer(&logbuf, i+1);
truncate_logbuffer(&logbuf, i);
TEST(logbuf.addr == buffer);
TEST(logbuf.size == sizeof(buffer));
TEST(logbuf.io == pipe.write);
TEST(logbuf.addr[i] == 'a');
TEST(logbuf.addr[i+1] == 'a');
TEST(logbuf.logsize == i);
}
// TEST write_logbuffer
memset(readbuffer, 0, sizeof(readbuffer));
for (unsigned i = 0; i < sizeof(buffer); ++i) {
buffer[i] = (uint8_t)i;
}
logbuf.logsize = logbuf.size;
// test
TEST( 0 == write_logbuffer(&logbuf));
// check logbuf
TEST( logbuf.addr == buffer);
TEST( logbuf.size == sizeof(buffer));
TEST( logbuf.logsize == sizeof(buffer));
TEST( logbuf.io == pipe.write);
// check content of pipe
static_assert(sizeof(readbuffer) > sizeof(buffer), "check that only sizeof(buffer) are written");
TEST(sizeof(buffer) == read(pipe.read, readbuffer, sizeof(readbuffer)));
for (unsigned i = 0; i < sizeof(buffer); ++i) {
TEST(buffer[i] == readbuffer[i]);
}
// TEST printheader_logbuffer
logbuf.logsize = 0;
log_header_t header = log_header_INIT("test_update", "file", 123456);
printheader_logbuffer(&logbuf, &header);
TEST(0 == compare_header(logbuf.logsize, logbuf.addr, "test_update", "file", 123456));
for (size_t len = logbuf.logsize, i = 1; i < 10; ++i) {
printheader_logbuffer(&logbuf, &header);
TEST((i+1)*len == logbuf.logsize);
TEST(0 == compare_header(len, logbuf.addr + i*len, "test_update", "file", 123456));
}
// TEST printheader_logbuffer: other thread
TEST(0 == newgeneric_thread(&thread, &thread_printheader, &logbuf));
TEST(0 == join_thread(thread));
TEST(0 == returncode_thread(thread));
TEST(0 == delete_thread(&thread));
// TEST printheader_logbuffer: adds " ..." at end in case of truncated message
logbuf.logsize = logbuf.size - 10;
logbuf.addr[logbuf.logsize] = 0;
printheader_logbuffer(&logbuf, &header);
TEST(logbuf.logsize == logbuf.size - 1)
TEST(0 == memcmp(logbuf.addr + logbuf.size - 10, "[", 1));
TEST(0 == memcmp(logbuf.addr + logbuf.size - 5, " ...", 5));
// TEST vprintf_logbuffer: append on already stored content
for (unsigned i = 0; i < sizeof(buffer)-100; ++i) {
memset(buffer, 0, sizeof(buffer));
memset(readbuffer, 0, sizeof(readbuffer));
logbuf.logsize = i;
printf_logbuffer(&logbuf, "%d : %s : %c;;", i, "OK!", '0');
snprintf((char*)readbuffer + i, 100, "%d : %s : %c;;", i, "OK!", '0');
TEST(0 == memcmp(buffer, readbuffer, sizeof(buffer)));
}
// TEST vprintf_logbuffer: different formats
logbuf.logsize = 0;
printf_logbuffer(&logbuf, "%%%s%%", "str" );
printf_logbuffer(&logbuf, "%"PRIi8";", (int8_t)-1);
printf_logbuffer(&logbuf, "%"PRIu8";", (uint8_t)1);
printf_logbuffer(&logbuf, "%"PRIi16";", (int16_t)-256);
printf_logbuffer(&logbuf, "%"PRIu16";", (uint16_t)256);
printf_logbuffer(&logbuf, "%"PRIi32";", (int32_t)-65536);
printf_logbuffer(&logbuf, "%"PRIu32";", (uint32_t)65536);
printf_logbuffer(&logbuf, "%zd;", (ssize_t)-65536);
printf_logbuffer(&logbuf, "%zu;", (size_t)65536);
printf_logbuffer(&logbuf, "%g;", 2e100);
printf_logbuffer(&logbuf, "%.0f;", (double)1234567);
const char * result = "%str%-1;1;-256;256;-65536;65536;-65536;65536;2e+100;1234567;";
TEST(strlen(result) == logbuf.logsize);
TEST(0 == memcmp(logbuf.addr, result, logbuf.logsize));
// TEST vprintf_logwriter: adds " ..." at end in case of truncated message
char strtoobig[100];
memset(strtoobig, '1', sizeof(strtoobig));
logbuf.logsize = logbuf.size - sizeof(strtoobig);
logbuf.addr[logbuf.logsize] = 0;
printf_logbuffer(&logbuf, "%.100s", strtoobig);
TEST(logbuf.logsize == logbuf.size - 1)
TEST(0 == memcmp(logbuf.addr + logbuf.size - sizeof(strtoobig), strtoobig, sizeof(strtoobig)-5));
TEST(0 == memcmp(logbuf.addr + logbuf.size - 5, " ...", 5));
// TEST vprintf_logbuffer: format == 0
logbuf.logsize = 0;
printf_logbuffer(&logbuf, 0);
// nothing printed
TEST(0 == logbuf.logsize);
// TEST vprintf_logbuffer: sizefree_logbuffer() == 0
logbuf.logsize = logbuf.size;
memset(logbuf.addr, 255, logbuf.size);
printf_logbuffer(&logbuf, "%d", 12345);
// check logbuf not changed
TEST(buffer == logbuf.addr);
TEST(sizeof(buffer) == logbuf.size);
TEST(sizeof(buffer) == logbuf.logsize);
TEST(pipe.write == logbuf.io);
// check content of logbuf not changed except for " ..."
for (size_t i = 0; i < logbuf.logsize - 5; ++i) {
TEST(255 == logbuf.addr[i]);
}
TEST(0 == memcmp(logbuf.addr + logbuf.logsize - 5, " ...", 4));
TEST(255 == logbuf.addr[logbuf.logsize-1]);
// TEST vprintf_logbuffer: logbuffer_t.size <= 5
for (size_t s = 5; s <= 5; --s) {
TEST(sizeof(buffer) == logbuf.size);
logbuf.size = s;
logbuf.logsize = 0;
memset(logbuf.addr, 255, s);
printf_logbuffer(&logbuf, "%d", 12345);
// check logbuf
TEST(buffer == logbuf.addr);
TEST(s == logbuf.size);
TEST((s?s-1:0) == logbuf.logsize);
TEST(pipe.write == logbuf.io);
// check content of logbuf
if (s == 5) {
// " ..."
TEST(0 == memcmp(logbuf.addr, " ...", 5));
} else {
// truncated 12345
for (size_t i = 0; i < logbuf.logsize; ++i) {
TEST(i+'1' == logbuf.addr[i]);
}
TEST(0 == (logbuf.size ? logbuf.addr[logbuf.size-1] : 0));
}
// reset
logbuf.size = sizeof(buffer);
}
// unprepare
TEST(-1 == read(pipe.read, readbuffer, sizeof(readbuffer)));
TEST(0 == free_pipe(&pipe));
return 0;
ONERR:
delete_thread(&thread);
free_pipe(&pipe);
return EINVAL;
}
