struct rpc *rpc_create(const char *host, uint16_t port)
{
int ret;
char str_ip[INET_ADDRSTRLEN];
struct skt_connection *sc;
struct rpc *r = CALLOC(1, struct rpc);
if (!r) {
loge("malloc failed!\n");
return NULL;
}
sc = skt_tcp_connect(host, port);
if (sc == NULL) {
loge("connect failed!\n");
return NULL;
}
r->fd = sc->fd;
if (-1 == skt_set_noblk(sc->fd, 0)) {
loge("block skt_recv failed!\n");
}
ret = rpc_recv(r, r->packet.header.uuid_src, MAX_UUID_LEN);
if (ret != MAX_UUID_LEN) {
loge("rpc_recv failed: ret = %d\n", ret);
}
// if (-1 == skt_set_noblk(sc->fd, 1)) {
// loge("no-block skt_recv failed!\n");
// }
skt_addr_ntop(str_ip, sc->local.ip);
logi("local addr = %s:%d, uuid_src = %s\n", str_ip, sc->local.port, r->packet.header.uuid_src);
skt_addr_ntop(str_ip, sc->remote.ip);
//logd("remote ip = %s, port = %d\n", str_ip, sc->remote.port);
r->evbase = gevent_base_create();
return r;
}
static void* do_rpc_thread(void *data) {
LOG_ENTRY;
struct rpc *rpc = data;
if (!rpc || !rpc->handler) {
RPC_PUTS("bad rpc");
LOG_EXIT;
return NULL;
}
rpc->active = 1;
rpc_cond_signal(rpc);
fd_set fds;
while (rpc->active) {
RPC_DEBUG("+loop");
FD_ZERO(&fds);
FD_SET(rpc->fd, &fds);
FD_SET(rpc->pipefd[READ_END], &fds);
select(max(rpc->fd, rpc->pipefd[READ_END]) + 1, &fds, NULL, NULL, NULL);
pthread_mutex_lock(&rpc->fd_mutex);
if (FD_ISSET(rpc->fd, &fds)) {
RPC_DEBUG("receiving RPC message");
if (rpc_recv(rpc) < 0) {
RPC_ERROR("receive error");
rpc->active = 0;
goto handled;
}
}
if (FD_ISSET(rpc->pipefd[READ_END], &fds)) {
RPC_DEBUG("calling remote party");
if (rpc_send(rpc) < 0) {
RPC_ERROR("call error");
rpc->active = 0;
goto handled;
}
}
handled:
pthread_mutex_unlock(&rpc->fd_mutex);
RPC_DEBUG("-loop");
}
rpc_cond_signal(rpc);
LOG_EXIT;
return NULL;
}
