void test_ListenerTask_GrowReadBuf_should_grow_the_listeners_read_buffer(void)
{
l->read_buf = calloc(100, sizeof(uint8_t));
TEST_ASSERT(l->read_buf);
l->read_buf_size = 100;
TEST_ASSERT_TRUE(ListenerTask_GrowReadBuf(l, 200));
TEST_ASSERT_EQUAL(200, l->read_buf_size);
TEST_ASSERT(l->read_buf);
memset(&l->read_buf[0], 0xFF, 200); // write to notify valgrind
free(l->read_buf);
}
void test_ListenerTask_GrowReadBuf_should_expose_failures(void)
{
l->read_buf = calloc(100, sizeof(uint8_t));
uint8_t *orig_read_buf = l->read_buf;
TEST_ASSERT(l->read_buf);
l->read_buf_size = 100;
// force realloc failure
TEST_ASSERT_FALSE(ListenerTask_GrowReadBuf(l, (size_t)-1));
TEST_ASSERT_EQUAL(100, l->read_buf_size);
TEST_ASSERT_EQUAL(orig_read_buf, l->read_buf);
free(l->read_buf);
}
static bool sink_socket_read(struct bus *b,
listener *l, connection_info *ci, ssize_t size) {
BUS_LOG_SNPRINTF(b, 3, LOG_LISTENER, b->udata, 64,
"read %zd bytes, calling sink CB", size);
#if DUMP_READ
printf("\n");
for (int i = 0; i < size; i++) {
if (i > 0 && (i & 15) == 0) {
printf("\n");
}
printf("%02x ", l->read_buf[i]);
}
printf("\n\n");
#endif
bus_sink_cb_res_t sres = b->sink_cb(l->read_buf, size, ci->udata);
if (sres.full_msg_buffer) {
BUS_LOG(b, 3, LOG_LISTENER, "calling unpack CB", b->udata);
bus_unpack_cb_res_t ures = b->unpack_cb(sres.full_msg_buffer, ci->udata);
BUS_LOG_SNPRINTF(b, 3, LOG_LISTENER, b->udata, 64,
"process_unpacked_message: ok? %d, seq_id:%lld",
ures.ok, (long long)ures.u.success.seq_id);
process_unpacked_message(l, ci, ures);
}
ci->to_read_size = sres.next_read;
BUS_LOG_SNPRINTF(b, 3, LOG_LISTENER, b->udata, 64,
"expecting next read to have %zd bytes", ci->to_read_size);
/* Grow read buffer if necessary. */
if (ci->to_read_size > l->read_buf_size) {
if (!ListenerTask_GrowReadBuf(l, ci->to_read_size)) {
BUS_LOG_SNPRINTF(b, 3, LOG_MEMORY, b->udata, 128,
"Read buffer realloc failure for %p (%zd to %zd)",
l->read_buf, l->read_buf_size, ci->to_read_size);
BUS_ASSERT(b, b->udata, false);
}
}
return true;
}
