static LWMsgStatus
fserv_close_srv(
LWMsgCall* call,
const LWMsgParams* in,
LWMsgParams* out,
void* data
)
{
LWMsgStatus status = LWMSG_STATUS_SUCCESS;
LWMsgSession* session = lwmsg_call_get_session(call);
FileHandle* handle = NULL;
StatusReply* sreply = NULL;
LOG("fserv_close() on fd %i for session %p\n", handle->fd, session);
/* Get our internal handle from the lwmsg handle */
status = lwmsg_session_get_handle_data(
session,
(LWMsgHandle*) in->data,
(void**)(void*) &handle);
if (status)
{
goto error;
}
/* Unregister the handle no matter what */
status = lwmsg_session_unregister_handle(session, (LWMsgHandle*) in->data);
if (status)
{
goto error;
}
if (close(handle->fd) == -1)
{
sreply = malloc(sizeof(*sreply));
if (!sreply)
{
status = LWMSG_STATUS_MEMORY;
goto error;
}
sreply->err = errno;
out->tag = FSERV_ERROR_RES;
out->data = sreply;
}
else
{
out->tag = FSERV_VOID_RES;
out->data = NULL;
}
error:
return status;
}
static LWMsgStatus
fserv_write_srv(
LWMsgCall* call,
const LWMsgParams* in,
LWMsgParams* out,
void* data
)
{
LWMsgStatus status = LWMSG_STATUS_SUCCESS;
WriteRequest* req = (WriteRequest*) in->data;
StatusReply* sreply = NULL;
FileHandle* handle = NULL;
int fd = -1;
LWMsgSession* session = lwmsg_call_get_session(call);
/* Get our internal handle from the lwmsg handle */
status = lwmsg_session_get_handle_data(
session,
req->handle,
(void**)(void*) &handle);
if (status)
{
goto error;
}
fd = handle->fd;
LOG("fserv_write() of %lu bytes to fd %i on session %p\n",
(unsigned long) req->size, fd, session);
if (write(fd, req->data, req->size) == -1)
{
sreply = malloc(sizeof(*sreply));
if (!sreply)
{
status = LWMSG_STATUS_MEMORY;
goto error;
}
sreply->err = errno;
out->tag = FSERV_ERROR_RES;
out->data = sreply;
}
else
{
out->tag = FSERV_VOID_RES;
out->data = NULL;
}
out->data = (void*) sreply;
error:
return status;
}
static
NTSTATUS
RegSrvIpcGetHandleData(
LWMsgCall* pCall,
LWMsgHandle* pHandle,
HKEY* phKey
)
{
LWMsgSession* pSession = lwmsg_call_get_session(pCall);
return MAP_LWMSG_ERROR(lwmsg_session_get_handle_data(pSession, pHandle, OUT_PPVOID(phKey)));
}
static
NTSTATUS
RegSrvIpcGetHandleData(
LWMsgCall* pCall,
LWMsgHandle* pHandle,
HKEY* phKey
)
{
LWMsgSession* pSession = lwmsg_call_get_session(pCall);
LWMsgStatus status = lwmsg_session_get_handle_data(pSession, pHandle, OUT_PPVOID(phKey));
if (status == LWMSG_STATUS_INVALID_HANDLE)
{
return STATUS_INVALID_HANDLE;
}
else
{
return MAP_LWMSG_ERROR(status);
}
}
static LWMsgStatus
fserv_read_srv(
LWMsgCall* call,
const LWMsgParams* in,
LWMsgParams* out,
void* data
)
{
LWMsgStatus status = LWMSG_STATUS_SUCCESS;
ReadRequest* req = (ReadRequest*) in->data;
StatusReply* sreply = NULL;
ReadReply* rreply = NULL;
FileHandle* handle = NULL;
int fd = -1;
int ret = 0;
LWMsgSession* session = lwmsg_call_get_session(call);
/* Get our internal handle from the lwmsg handle */
status = lwmsg_session_get_handle_data(
session,
req->handle,
(void**)(void*) &handle);
if (status)
{
goto error;
}
fd = handle->fd;
LOG("fserv_read() of %lu bytes from fd %i on session %p\n",
(unsigned long) req->size, fd, session);
rreply = malloc(sizeof(*rreply));
if (!rreply)
{
status = LWMSG_STATUS_MEMORY;
goto error;
}
rreply->data = malloc(req->size);
if (!rreply->data)
{
status = LWMSG_STATUS_MEMORY;
goto error;
}
ret = read(fd, rreply->data, req->size);
if (ret == -1)
{
int err = errno;
free(rreply->data);
free(rreply);
sreply = malloc(sizeof(*sreply));
if (!sreply)
{
status = LWMSG_STATUS_MEMORY;
goto error;
}
sreply->err = err;
out->tag = FSERV_ERROR_RES;
out->data = (void*) sreply;
}
else if (ret == 0)
{
free(rreply->data);
rreply->data = NULL;
rreply->size = 0;
out->tag = FSERV_READ_RES;
out->data = (void*) rreply;
}
else
{
rreply->size = ret;
out->tag = FSERV_READ_RES;
out->data = (void*) rreply;
}
error:
return status;
}
