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char-device: Add a read method to simplify reading data

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Avoid to pass throught SpiceCharDeviceInterface.
When data is read from device the device get marked as active.
This is coherent with what is done in red_char_device_read_from_device.

Signed-off-by: Frediano Ziglio <freddy77@gmail.com>
Acked-by: Julien Ropé <jrope@gmail.com>
This commit is contained in:
Frediano Ziglio 2020-05-07 12:36:44 +01:00
parent 3c8037d39f
commit 66dacecda9
2 changed files with 16 additions and 0 deletions
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11
server/char-device.cpp
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@ -947,3 +947,14 @@ RedCharDevice::RedCharDevice(RedsState *reds, SpiceCharDeviceInstance *sin,
g_queue_init(&priv->write_queue);
}
int RedCharDevice::read(uint8_t *buf, int len)
{
auto sif = spice_char_device_get_interface(priv->sin);
int ret = sif->read(priv->sin, buf, len);
if (ret > 0) {
priv->active = true;
}
return ret;
}

5
server/char-device.h
View File

@ -174,6 +174,11 @@ public:
SpiceCharDeviceInstance *get_device_instance();
/**
* Read data from device
*/
int read(uint8_t *buf, int len);
red::unique_link<RedCharDevicePrivate> priv;
//protected: