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QmiMessage is a generic type representing a QMI message of any kind (request, response, indication) or service (including QMI_SERVICE_CTL).
This set of generic routines help in handling these message types, and allow creating any kind of message with any kind of TLV.
QmiMessage * qmi_message_new (QmiService service
,guint8 client_id
,guint16 transaction_id
,guint16 message_id
);
Create a new QmiMessage with the specified parameters.
Note that transaction_id
must be less than G_MAXUINT8 if service
is
QMI_SERVICE_CTL.
service |
||
client_id |
client ID of the originating control point. |
|
transaction_id |
transaction ID. |
|
message_id |
message ID. |
a newly created QmiMessage. The returned value should be freed with qmi_message_unref()
.
[transfer full]
QmiMessage * qmi_message_new_from_raw (GByteArray *raw
,GError **error
);
Create a new QmiMessage from the given raw data buffer.
Whenever a complete QMI message is read, its raw data gets removed from the raw
buffer.
a newly created QmiMessage, which should be freed with qmi_message_unref()
. If raw
doesn't contain a complete QMI message NULL is returned. If there is a complete QMI message but it appears not to be valid, NULL is returned and error
is set.
[transfer full]
QmiMessage * qmi_message_response_new (QmiMessage *request
,QmiProtocolError error
);
Create a new response QmiMessage for the specified request
.
a newly created QmiMessage. The returned value should be freed with qmi_message_unref()
.
[transfer full]
QmiMessage *
qmi_message_ref (QmiMessage *self
);
Atomically increments the reference count of self
by one.
void
qmi_message_unref (QmiMessage *self
);
Atomically decrements the reference count of self
by one.
If the reference count drops to 0, self
is completely disposed.
gboolean
qmi_message_is_request (QmiMessage *self
);
Checks whether the given QmiMessage is a request.
gboolean
qmi_message_is_response (QmiMessage *self
);
Checks whether the given QmiMessage is a response.
gboolean
qmi_message_is_indication (QmiMessage *self
);
Checks whether the given QmiMessage is an indication.
QmiService
qmi_message_get_service (QmiMessage *self
);
Gets the service corresponding to the given QmiMessage.
guint8
qmi_message_get_client_id (QmiMessage *self
);
Gets the client ID of the message.
guint16
qmi_message_get_transaction_id (QmiMessage *self
);
Gets the transaction ID of the message.
guint16
qmi_message_get_message_id (QmiMessage *self
);
Gets the ID of the message.
gsize
qmi_message_get_length (QmiMessage *self
);
Gets the length of the raw data corresponding to the given QmiMessage.
const guint8 * qmi_message_get_raw (QmiMessage *self
,gsize *length
,GError **error
);
Gets the raw data buffer of the QmiMessage.
self |
a QmiMessage. |
|
length |
return location for the size of the output buffer. |
[out] |
error |
return location for error or |
gboolean qmi_message_get_version_introduced (QmiMessage *self
,guint *major
,guint *minor
);
Gets, if known, the service version in which the given message was first introduced.
self |
a QmiMessage. |
|
major |
(out) return location for the major version. |
|
minor |
(out) return location for the minor version. |
gsize qmi_message_tlv_write_init (QmiMessage *self
,guint8 type
,GError **error
);
Starts building a new TLV in the QmiMessage.
In order to finish adding the TLV, qmi_message_tlv_write_complete()
needs to be
called.
If any error happens adding fields on the TLV, the previous state can be
recovered using qmi_message_tlv_write_reset()
.
self |
a QmiMessage. |
|
type |
specific ID of the TLV to add. |
|
error |
return location for error or |
Since 1.12
void qmi_message_tlv_write_reset (QmiMessage *self
,gsize tlv_offset
);
Removes the TLV being currently added.
Since 1.12
gboolean qmi_message_tlv_write_complete (QmiMessage *self
,gsize tlv_offset
,GError **error
);
Completes building a TLV in the QmiMessage.
In case of error the TLV will be reseted; i.e. there is no need to explicitly
call qmi_message_tlv_write_reset()
.
self |
a QmiMessage. |
|
tlv_offset |
offset that was returned by |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_write_guint8 (QmiMessage *self
,guint8 in
,GError **error
);
Appends an unsigned byte to the TLV being built.
Since 1.12
gboolean qmi_message_tlv_write_gint8 (QmiMessage *self
,gint8 in
,GError **error
);
Appends a signed byte variable to the TLV being built.
Since 1.12
gboolean qmi_message_tlv_write_guint16 (QmiMessage *self
,QmiEndian endian
,guint16 in
,GError **error
);
Appends an unsigned 16-bit integer to the TLV being built. The number to be
written is expected to be given in host endianness, and this method takes
care of converting the value written to the byte order specified by endian
.
self |
a QmiMessage. |
|
endian |
target endianness, swapped from host byte order if necessary. |
|
in |
a guint16 in host byte order. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_write_gint16 (QmiMessage *self
,QmiEndian endian
,gint16 in
,GError **error
);
Appends a signed 16-bit integer to the TLV being built. The number to be
written is expected to be given in host endianness, and this method takes
care of converting the value written to the byte order specified by endian
.
self |
a QmiMessage. |
|
endian |
target endianness, swapped from host byte order if necessary. |
|
in |
a gint16 in host byte order. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_write_guint32 (QmiMessage *self
,QmiEndian endian
,guint32 in
,GError **error
);
Appends an unsigned 32-bit integer to the TLV being built. The number to be
written is expected to be given in host endianness, and this method takes
care of converting the value written to the byte order specified by endian
.
self |
a QmiMessage. |
|
endian |
target endianness, swapped from host byte order if necessary. |
|
in |
a guint32 in host byte order. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_write_gint32 (QmiMessage *self
,QmiEndian endian
,gint32 in
,GError **error
);
Appends a signed 32-bit integer to the TLV being built. The number to be
written is expected to be given in host endianness, and this method takes
care of converting the value written to the byte order specified by endian
.
self |
a QmiMessage. |
|
endian |
target endianness, swapped from host byte order if necessary. |
|
in |
a gint32 in host byte order. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_write_guint64 (QmiMessage *self
,QmiEndian endian
,guint64 in
,GError **error
);
Appends an unsigned 64-bit integer to the TLV being built. The number to be
written is expected to be given in host endianness, and this method takes
care of converting the value written to the byte order specified by endian
.
self |
a QmiMessage. |
|
endian |
target endianness, swapped from host byte order if necessary. |
|
in |
a guint64 in host byte order. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_write_gint64 (QmiMessage *self
,QmiEndian endian
,gint64 in
,GError **error
);
Appends a signed 32-bit integer to the TLV being built. The number to be
written is expected to be given in host endianness, and this method takes
care of converting the value written to the byte order specified by endian
.
self |
a QmiMessage. |
|
endian |
target endianness, swapped from host byte order if necessary. |
|
in |
a gint64 in host byte order. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_write_sized_guint (QmiMessage *self
,guint n_bytes
,QmiEndian endian
,guint64 in
,GError **error
);
Appends a n_bytes
-sized unsigned integer to the TLV being built. The number
to be written is expected to be given in host endianness, and this method
takes care of converting the value written to the byte order specified by
endian
.
Valid values for n_bytes
are: 1, 2, 4, 8.
self |
a QmiMessage. |
|
n_bytes |
number of bytes to write. |
|
endian |
target endianness, swapped from host byte order if necessary. |
|
in |
a guint64 in host byte order. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_write_string (QmiMessage *self
,guint8 n_size_prefix_bytes
,const gchar *in
,gssize in_length
,GError **error
);
Appends a string to the TLV being built.
Fixed-sized strings should give n_size_prefix_bytes
equal to 0.
self |
a QmiMessage. |
|
n_size_prefix_bytes |
number of bytes to use in the size prefix. |
|
in |
string to write. |
|
in_length |
length of |
|
error |
return location for error or |
Since 1.12
gsize qmi_message_tlv_read_init (QmiMessage *self
,guint8 type
,guint16 *out_tlv_length
,GError **error
);
Starts reading a given TLV from the QmiMessage.
self |
a QmiMessage. |
|
type |
specific ID of the TLV to read. |
|
out_tlv_length |
optional return location for the TLV size. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_read_guint8 (QmiMessage *self
,gsize tlv_offset
,gsize *offset
,guint8 *out
,GError **error
);
Reads an unsigned byte from the TLV.
offset
needs to point to a valid gsize
specifying the index to start
reading from within the TLV value (0 for the first item). If the variable
is successfully read, offset
will be updated to point past the read item.
self |
a QmiMessage. |
|
tlv_offset |
offset that was returned by |
|
offset |
address of the offset within the TLV value. |
|
out |
return location for the read guint8. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_read_gint8 (QmiMessage *self
,gsize tlv_offset
,gsize *offset
,gint8 *out
,GError **error
);
Reads a signed byte from the TLV.
offset
needs to point to a valid gsize
specifying the index to start
reading from within the TLV value (0 for the first item). If the variable
is successfully read, offset
will be updated to point past the read item.
self |
a QmiMessage. |
|
tlv_offset |
offset that was returned by |
|
offset |
address of a the offset within the TLV value. |
|
out |
return location for the read gint8. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_read_guint16 (QmiMessage *self
,gsize tlv_offset
,gsize *offset
,QmiEndian endian
,guint16 *out
,GError **error
);
Reads an unsigned 16-bit integer from the TLV, in host byte order.
offset
needs to point to a valid gsize
specifying the index to start
reading from within the TLV value (0 for the first item). If the variable
is successfully read, offset
will be updated to point past the read item.
self |
a QmiMessage. |
|
tlv_offset |
offset that was returned by |
|
offset |
address of a the offset within the TLV value. |
|
endian |
source endianness, which will be swapped to host byte order if necessary. |
|
out |
return location for the read guint16. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_read_gint16 (QmiMessage *self
,gsize tlv_offset
,gsize *offset
,QmiEndian endian
,gint16 *out
,GError **error
);
Reads a signed 16-bit integer from the TLV, in host byte order.
offset
needs to point to a valid gsize
specifying the index to start
reading from within the TLV value (0 for the first item). If the variable
is successfully read, offset
will be updated to point past the read item.
self |
a QmiMessage. |
|
tlv_offset |
offset that was returned by |
|
offset |
address of a the offset within the TLV value. |
|
endian |
source endianness, which will be swapped to host byte order if necessary. |
|
out |
return location for the read gint16. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_read_guint32 (QmiMessage *self
,gsize tlv_offset
,gsize *offset
,QmiEndian endian
,guint32 *out
,GError **error
);
Reads an unsigned 32-bit integer from the TLV, in host byte order.
offset
needs to point to a valid gsize
specifying the index to start
reading from within the TLV value (0 for the first item). If the variable
is successfully read, offset
will be updated to point past the read item.
self |
a QmiMessage. |
|
tlv_offset |
offset that was returned by |
|
offset |
address of a the offset within the TLV value. |
|
endian |
source endianness, which will be swapped to host byte order if necessary. |
|
out |
return location for the read guint32. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_read_gint32 (QmiMessage *self
,gsize tlv_offset
,gsize *offset
,QmiEndian endian
,gint32 *out
,GError **error
);
Reads a signed 32-bit integer from the TLV, in host byte order.
offset
needs to point to a valid gsize
specifying the index to start
reading from within the TLV value (0 for the first item). If the variable
is successfully read, offset
will be updated to point past the read item.
self |
a QmiMessage. |
|
tlv_offset |
offset that was returned by |
|
offset |
address of a the offset within the TLV value. |
|
endian |
source endianness, which will be swapped to host byte order if necessary. |
|
out |
return location for the read gint32. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_read_guint64 (QmiMessage *self
,gsize tlv_offset
,gsize *offset
,QmiEndian endian
,guint64 *out
,GError **error
);
Reads an unsigned 64-bit integer from the TLV, in host byte order.
offset
needs to point to a valid gsize
specifying the index to start
reading from within the TLV value (0 for the first item). If the variable
is successfully read, offset
will be updated to point past the read item.
self |
a QmiMessage. |
|
tlv_offset |
offset that was returned by |
|
offset |
address of a the offset within the TLV value. |
|
endian |
source endianness, which will be swapped to host byte order if necessary. |
|
out |
return location for the read guint64. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_read_gint64 (QmiMessage *self
,gsize tlv_offset
,gsize *offset
,QmiEndian endian
,gint64 *out
,GError **error
);
Reads a signed 64-bit integer from the TLV, in host byte order.
offset
needs to point to a valid gsize
specifying the index to start
reading from within the TLV value (0 for the first item). If the variable
is successfully read, offset
will be updated to point past the read item.
self |
a QmiMessage. |
|
tlv_offset |
offset that was returned by |
|
offset |
address of a the offset within the TLV value. |
|
endian |
source endianness, which will be swapped to host byte order if necessary. |
|
out |
return location for the read gint64. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_read_sized_guint (QmiMessage *self
,gsize tlv_offset
,gsize *offset
,guint n_bytes
,QmiEndian endian
,guint64 *out
,GError **error
);
Reads a b_bytes
-sized integer from the TLV, in host byte order.
offset
needs to point to a valid gsize
specifying the index to start
reading from within the TLV value (0 for the first item). If the variable
is successfully read, offset
will be updated to point past the read item.
self |
a QmiMessage. |
|
tlv_offset |
offset that was returned by |
|
offset |
address of a the offset within the TLV value. |
|
n_bytes |
number of bytes to read. |
|
endian |
source endianness, which will be swapped to host byte order if necessary. |
|
out |
return location for the read guint64. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_read_gfloat (QmiMessage *self
,gsize tlv_offset
,gsize *offset
,gfloat *out
,GError **error
);
Reads a 32-bit floating-point number from the TLV.
offset
needs to point to a valid gsize
specifying the index to start
reading from within the TLV value (0 for the first item). If the variable
is successfully read, offset
will be updated to point past the read item.
self |
a QmiMessage. |
|
tlv_offset |
offset that was returned by |
|
offset |
address of a the offset within the TLV value. |
|
out |
return location for the read gfloat. |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_read_string (QmiMessage *self
,gsize tlv_offset
,gsize *offset
,guint8 n_size_prefix_bytes
,guint16 max_size
,gchar **out
,GError **error
);
Reads a string from the TLV.
offset
needs to point to a valid gsize
specifying the index to start
reading from within the TLV value (0 for the first item). If the variable
is successfully read, offset
will be updated to point past the read item.
self |
a QmiMessage. |
|
tlv_offset |
offset that was returned by |
|
offset |
address of a the offset within the TLV value. |
|
n_size_prefix_bytes |
number of bytes used in the size prefix. |
|
max_size |
maximum number of bytes to read, or 0 to read all available bytes. |
|
out |
return location for the read string. The returned value should be freed with |
|
error |
return location for error or |
Since 1.12
gboolean qmi_message_tlv_read_fixed_size_string (QmiMessage *self
,gsize tlv_offset
,gsize *offset
,guint16 string_length
,gchar *out
,GError **error
);
Reads a string from the TLV.
The string written in out
will need to be NUL-terminated by the caller.
offset
needs to point to a valid gsize
specifying the index to start
reading from within the TLV value (0 for the first item). If the variable
is successfully read, offset
will be updated to point past the read item.
self |
a QmiMessage. |
|
tlv_offset |
offset that was returned by |
|
offset |
address of a the offset within the TLV value. |
|
string_length |
amount of bytes to read. |
|
out |
buffer preallocated by the client, with at least |
|
error |
return location for error or |
Since 1.12
void (*QmiMessageForeachRawTlvFn) (guint8 type
,const guint8 *value
,gsize length
,gpointer user_data
);
void qmi_message_foreach_raw_tlv (QmiMessage *self
,QmiMessageForeachRawTlvFn func
,gpointer user_data
);
Calls the given function for each TLV found within the QmiMessage.
self |
a QmiMessage. |
|
func |
the function to call for each TLV. |
|
user_data |
user data to pass to the function. |
const guint8 * qmi_message_get_raw_tlv (QmiMessage *self
,guint8 type
,guint16 *length
);
Get the raw data buffer of a specific TLV within the QmiMessage.
self |
a QmiMessage. |
|
type |
specific ID of the TLV to get. |
|
length |
return location for the length of the TLV. |
[out] |
gboolean qmi_message_add_raw_tlv (QmiMessage *self
,guint8 type
,const guint8 *raw
,gsize length
,GError **error
);
Creates a new type
TLV with the value given in raw
, and adds it to the QmiMessage.
self |
a QmiMessage. |
|
type |
specific ID of the TLV to add. |
|
raw |
raw data buffer with the value of the TLV. |
|
length |
length of the raw data buffer. |
|
error |
return location for error or |
void qmi_message_set_transaction_id (QmiMessage *self
,guint16 transaction_id
);
Overwrites the transaction ID of the message.
gchar * qmi_message_get_printable (QmiMessage *self
,const gchar *line_prefix
);
Gets a printable string with the contents of the whole QMI message.
If known, the printable string will contain translated TLV values as well as the raw data buffer contents.
gchar * qmi_message_get_tlv_printable (QmiMessage *self
,const gchar *line_prefix
,guint8 type
,const guint8 *raw
,gsize raw_length
);
Gets a printable string with the contents of the TLV.
This method is the most generic one and doesn't try to translate the TLV contents.
self |
a QmiMessage. |
|
line_prefix |
prefix string to use in each new generated line. |
|
type |
type of the TLV. |
|
raw |
raw data buffer with the value of the TLV. |
|
raw_length |
length of the raw data buffer. |