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Diffstat (limited to 'doc/dlt_extended_network_trace.md')
| -rw-r--r-- | doc/dlt_extended_network_trace.md | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/doc/dlt_extended_network_trace.md b/doc/dlt_extended_network_trace.md index 8bc7ea0..bb2f09b 100644 --- a/doc/dlt_extended_network_trace.md +++ b/doc/dlt_extended_network_trace.md @@ -4,23 +4,31 @@ Back to [README.md](../README.md) ## Introduction -The extended network trace allows the user to send or truncate network trace messages that are larger than the normal maximum size of a DLT message. +The extended network trace allows the user to send or truncate network trace +messages that are larger than the normal maximum size of a DLT message. ## Protocol -When truncation of messages is allowed, the truncated messages will be wrapped into a special message which indicates that a network trace message was truncated and what was the original size of the message. +When truncation of messages is allowed, the truncated messages will be wrapped +into a special message which indicates that a network trace message was +truncated and what was the original size of the message. -Segmented messages are sent in multiple packages. The package stream is prepended with a a start message indicating which contain a unique handle for this stream, size of data to follow, count of segments to follow and segment size. +Segmented messages are sent in multiple packages. The package stream is +prepended with a start message indicating which contains a unique handle for +this stream, size of data to follow, count of segments to follow and segment +size. -Each segment contains the stream handle, segment sequence number, the data and data length. +Each segment contains the stream handle, segment sequence number, the data and +data length. -Finally after sending all the data segments, one more packet is sent to indicate the end of the stream. +Finally after sending all the data segments, one more packet is sent to indicate +the end of the stream. ## Truncated package Truncated message can be sent using the following function: -` int dlt_user_trace_network_truncated(DltContext *handle, DltNetworkTraceType nw_trace_type, uint16_t header_len, void *header, uint16_t payload_len, void *payload, int allow_truncate) ` +` int dlt_user_trace_network_truncated(DltContext *handle, DltNetworkTraceType nw_trace_type, uint16_t header_len, void *header, uint16_t payload_len, void *payload, int allow_truncate) ` This will send a packet in the following format: @@ -88,4 +96,4 @@ Lassi Marttala <Lassi.LM.Marttala (at) partner (dot) bmw (dot) de> ## COPYRIGHT -Copyright (C) 2011 - 2015 BMW AG. License MPL-2.0: Mozilla Public License version 2.0 <http://mozilla.org/MPL/2.0/>.
\ No newline at end of file +Copyright (C) 2011 - 2015 BMW AG. License MPL-2.0: Mozilla Public License version 2.0 <http://mozilla.org/MPL/2.0/>. |