Server side JSON problem #1631
Description
- Version of iperf3: 3.16+ from 4.1.2024
- Hardware: x86_64
- Operating system (and distribution, if any): Linux, OpenWRT x86_64
root@cli1:~# iperf3 -v
iperf 3.16+ (cJSON 1.7.15)
Linux cli1 5.10.201 #0 SMP Thu Jan 4 21:29:46 2024 x86_64
Optional features available: CPU affinity setting, IPv6 flow label, TCP congestion algorithm setting, sendfile / zerocopy, socket pacing, bind to device, support IPv4 don't fragment, POSIX threads
Bug Report
- Expected Behavior
Server side report will be without unformated messages.
- Actual Behavior
Server side structure is valid but at the and is unformated message : iperf3: error - unable to write to stream socket: Invalid argument or iperf3: error - no error. This error is very similar to this closed issue: #1143 but on server side (@davidBar-On ).
"sum_sent": {
"start": 0,
"end": 90.000614,
"seconds": 90.000614,
"bytes": 10557718528,
"bits_per_second": 938457466.790171,
"retransmits": 1,
"sender": true
},
"sum_received": {
"start": 0,
"end": 90.000614,
"seconds": 90.000614,
"bytes": 0,
"bits_per_second": 0,
"sender": true
},
"cpu_utilization_percent": {
"host_total": 36.1468918421911,
"host_user": 0.734266323616089,
"host_system": 35.412626629677185,
"remote_total": 0,
"remote_user": 0,
"remote_system": 0
},
"sender_tcp_congestion": "cubic"
}
}
iperf3: error - unable to write to stream socket: Invalid argument
or sometime:
"sum_received": {
"start": 0,
"end": 10.00105,
"seconds": 10.00105,
"bytes": 7484473344,
"bits_per_second": 5986950045.44523,
"sender": false
},
"cpu_utilization_percent": {
"host_total": 85.012575052611453,
"host_user": 2.79302852241707,
"host_system": 82.219516533647,
"remote_total": 0,
"remote_user": 0,
"remote_system": 0
},
"receiver_tcp_congestion": "bbr"
}
}
iperf3: error - no error
Version 3.15. is OK. Thie behaviour begin with version 3.16.
Client side json report is OK. MacOS version is not affected by this bug.
- Steps to Reproduce
On the same machine
iperf3 -s -J -1
iperf3 -c 127.0.0.1 -J