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Added 2 event callbacks to handle send and receive events outside the

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library
(now it is possible to trigger a led from an application if m-bus data
is received)
This commit is contained in:
Stefan Wahren
2012-05-13 23:57:24 +02:00
parent d617accea5
commit 8f48d75fb0
4 changed files with 81 additions and 4 deletions
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22
mbus/mbus-tcp.c
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@ -138,7 +138,15 @@ mbus_tcp_send_frame(mbus_tcp_handle *handle, mbus_frame *frame)
return -1;
}
if ((ret = write(handle->sock, buff, len)) != len)
if ((ret = write(handle->sock, buff, len)) == len)
{
//
// call the send event function, if the callback function is registered
//
if (_mbus_send_event)
_mbus_send_event(MBUS_HANDLE_TYPE_TCP);
}
else
{
char error_str[128];
snprintf(error_str, sizeof(error_str), "%s: Failed to write frame to socket (ret = %d)\n", __PRETTY_FUNCTION__, ret);
@ -167,8 +175,18 @@ mbus_tcp_recv_frame(mbus_tcp_handle *handle, mbus_frame *frame)
len = 0;
do {
nread = read(handle->sock, &buff[len], remaining);
if ((nread = read(handle->sock, &buff[len], remaining)) == -1)
if (nread > 0)
{
//
// call the receive event function, if the callback function is registered
//
if (_mbus_recv_event)
_mbus_recv_event(MBUS_HANDLE_TYPE_TCP);
}
else if (nread == -1)
{
mbus_error_str_set("M-Bus tcp transport layer failed to read data.");
return -1;