void __disconnect() {
if (ipc_disconnect(__get_id(), SRV_ID) == OK) {
printf("Clt: diconnected from srv\n");
} else {
printf("Clt: could not disconnect from srv [ERROR]\n");
}
}
void __connect() {
if (ipc_connect(__get_id(), SRV_ID) == OK) {
printf("Clt: connected to srv\n");
} else {
printf("Clt: could not connect to srv [ERROR]\n");
}
}
int __get_product(product_name name, Product * productp){
char toSend[sizeof(product_name_msg)];
msg_type resp_type;
char resp_body[sizeof(product_resp)];
__connect();
msg_serialize_product_name_msg(__get_id(), GET_PRODUCT, name, toSend);
__send(toSend, sizeof(product_name_msg));
__recv(&resp_type, sizeof(msg_type));
if (resp_type == OK_RESP) {
__recv(resp_body, sizeof(Product));
msg_deserialize_product(resp_body, productp);
__disconnect();
return OK;
}
return __handle_not_ok_resp(resp_type);
}
int __write_product(product_name name, int quantity){
char toSend[sizeof(product_msg)];
msg_type resp_type;
char resp_body[sizeof(error_resp)];
int code;
__connect();
msg_serialize_product_msg(__get_id(), WRITE_PRODUCT, product_new(name, quantity), toSend);
__send(toSend, sizeof(product_msg));
__recv(&resp_type, sizeof(msg_type));
if (resp_type == OK_RESP) {
__recv(resp_body, sizeof(int));
msg_deserialize_code(resp_body, &code);
__disconnect();
return OK;
}
return __handle_not_ok_resp(resp_type);
}
/* TODO: Make an async-safe alternative */
void xseg_printtrace(void)
{
void *array[20];
char **bt;
size_t size;
int i;
pid_t tid = __get_id();
size = backtrace(array, 20);
bt = backtrace_symbols(array, size);
if (!bt) {
return;
}
XSEGLOG2(I, "Backtrace of tid %d:", tid);
for (i = 0; i < size; ++i)
{
XSEGLOG2(I, "\t%s", bt[i]);
}
}
void __recv(void * buf, int len) {
printf("Clt: read %d bytes of %d\n", ipc_recv(__get_id(), buf, len), len);
}
void __send(void * buf, int len) {
printf("Clt: wrote %d bytes of %d\n", ipc_send(__get_id(), SRV_ID, buf, len), len);
}