/* Start a client to send a stream of bytes. */
static void client_start(grpc_exec_ctx *exec_ctx, client *cl, int port) {
int fd;
struct sockaddr_in sin;
create_test_socket(port, &fd, &sin);
if (connect(fd, (struct sockaddr *)&sin, sizeof(sin)) == -1) {
if (errno == EINPROGRESS) {
struct pollfd pfd;
pfd.fd = fd;
pfd.events = POLLOUT;
pfd.revents = 0;
if (poll(&pfd, 1, -1) == -1) {
gpr_log(GPR_ERROR, "poll() failed during connect; errno=%d", errno);
abort();
}
} else {
gpr_log(GPR_ERROR, "Failed to connect to the server (errno=%d)", errno);
abort();
}
}
cl->em_fd = grpc_fd_create(fd, "client");
grpc_pollset_add_fd(exec_ctx, g_pollset, cl->em_fd);
client_session_write(exec_ctx, cl, GRPC_ERROR_NONE);
}
/* Start a test server, return the TCP listening port bound to listen_fd.
listen_cb() is registered to be interested in reading from listen_fd.
When connection request arrives, listen_cb() is called to accept the
connection request. */
static int server_start(server *sv) {
int port = 0;
int fd;
struct sockaddr_in sin;
socklen_t addr_len;
create_test_socket(port, &fd, &sin);
addr_len = sizeof(sin);
GPR_ASSERT(bind(fd, (struct sockaddr *)&sin, addr_len) == 0);
GPR_ASSERT(getsockname(fd, (struct sockaddr *)&sin, &addr_len) == 0);
port = ntohs(sin.sin_port);
GPR_ASSERT(listen(fd, MAX_NUM_FD) == 0);
sv->em_fd = grpc_fd_create(fd, "server");
/* Register to be interested in reading from listen_fd. */
sv->listen_closure.cb = listen_cb;
sv->listen_closure.cb_arg = sv;
grpc_fd_notify_on_read(sv->em_fd, &sv->listen_closure);
return port;
}
/* Start a test server, return the TCP listening port bound to listen_fd.
listen_cb() is registered to be interested in reading from listen_fd.
When connection request arrives, listen_cb() is called to accept the
connection request. */
static int server_start(grpc_exec_ctx *exec_ctx, server *sv) {
int port = 0;
int fd;
struct sockaddr_in sin;
socklen_t addr_len;
create_test_socket(port, &fd, &sin);
addr_len = sizeof(sin);
GPR_ASSERT(bind(fd, (struct sockaddr *)&sin, addr_len) == 0);
GPR_ASSERT(getsockname(fd, (struct sockaddr *)&sin, &addr_len) == 0);
port = ntohs(sin.sin_port);
GPR_ASSERT(listen(fd, MAX_NUM_FD) == 0);
sv->em_fd = grpc_fd_create(fd, "server");
grpc_pollset_add_fd(exec_ctx, g_pollset, sv->em_fd);
/* Register to be interested in reading from listen_fd. */
GRPC_CLOSURE_INIT(&sv->listen_closure, listen_cb, sv,
grpc_schedule_on_exec_ctx);
grpc_fd_notify_on_read(exec_ctx, sv->em_fd, &sv->listen_closure);
return port;
}
