59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
#include "ipc/port_server.h"
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#include <zcall.h>
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namespace mmth {
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glcr::ErrorOr<PortServer> PortServer::Create() {
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z_cap_t port;
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RET_ERR(ZPortCreate(&port));
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return PortServer(port);
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}
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PortServer PortServer::AdoptCap(z_cap_t cap) { return PortServer(cap); }
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PortServer::PortServer(z_cap_t port_cap) : port_cap_(port_cap) {}
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glcr::ErrorOr<PortClient> PortServer::CreateClient() {
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z_cap_t new_port;
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RET_ERR(ZCapDuplicate(port_cap_, ~(kZionPerm_Read), &new_port));
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return PortClient::AdoptPort(new_port);
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}
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glcr::ErrorCode PortServer::RecvCap(uint64_t *num_bytes, char *msg,
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uint64_t *cap) {
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uint64_t caps = 1;
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RET_ERR(ZPortRecv(port_cap_, num_bytes, reinterpret_cast<uint8_t *>(msg),
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&caps, cap));
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if (caps != 1) {
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return glcr::FAILED_PRECONDITION;
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}
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return glcr::OK;
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}
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glcr::ErrorCode PortServer::PollForIntCap(uint64_t *msg, uint64_t *cap) {
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uint64_t bytes = sizeof(uint64_t);
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uint64_t caps = 1;
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RET_ERR(ZPortPoll(port_cap_, &bytes, reinterpret_cast<uint8_t *>(msg), &caps,
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cap));
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if (bytes != sizeof(uint64_t)) {
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return glcr::FAILED_PRECONDITION;
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}
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if (caps != 1) {
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return glcr::FAILED_PRECONDITION;
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}
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return glcr::OK;
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}
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glcr::ErrorOr<char> PortServer::RecvChar() {
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uint64_t bytes = 1;
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uint64_t caps = 0;
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char byte;
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RET_ERR(ZPortRecv(port_cap_, &bytes, &byte, &caps, nullptr));
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return byte;
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}
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} // namespace mmth
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