sctp_test(1)

🌸 sctp_test(1) — the group chat manual page 🌸

okay so bestie, welcome to sctp_test(1), straight out of the General Commands Manual 💖 this one is your little test buddy for SCTP, and we're gonna walk through it together, no gatekeeping ✨

💫 NAME 💫

sctp_test</p紫色> — send and receive messages via SCTP 🦋

✨ SYNOPSIS ✨

sctp_test -H -P -h -p -l|s

that's the whole vibe check, and yes it's giving "short and mysterious" 💅

🎀 DESCRIPTION 🎀

so like, this is a userspace test application for the SCTP Linux kernel reference implementation 🧚 that's it, that's the description, and honestly? iconic 👑

💅 OPTIONS 💅

grab a snack, we're going through every single one 🍓

• -H local-addr — where you're at locally, address-wise 🏠
• -P local-port — your local port, your local business ✨
• -h remote-addr — the other side's address, the remote bestie 📮
• -p remote-port — the other side's port, periodt
• -s — act as client 💌
• -l — listen for connections, i.e. be the server 👑
• -a assoc_pattern — the association pattern when you're in mixed mode:
  • 0 = sequential ascending (default) ⬆️
  • 1 = random 🎲
• -d debug — how loud the debug is:
  • 0 = none 🤫
  • 1 = min (default) 🔉
  • 2 = max 📢
• -c testcase — pick your packet testcase, there are seven:
  • 0 = 1 byte packets 🐣
  • 1 = 1352 byte packets — that's the fragmentation point for an i/f with 1500 as mtu. 📦
  • 2 = 1353 byte packets — the min. size at which fragmentation occurs for an i/f with 1500 as mtu. 💥
  • 3 = sequence of 1, 1353, 32768 byte packets 🌈
  • 4 = sequence of following size packets: (1, 1000, 2000, 3000, 5000, 10000, 15000, 20000, 25000, 32768) 🪜
  • 5 = 32768 byte packets — that's the default max receive window size. (default) 🫶
  • 6 = random size packets 🎰
• -ve value — packets of the size you specify 🎯
• -m msgsize — your message size, and it's gotta be 1500-65515, default value is 32768 📏
• -x number_of_repeats — how many times we run it, again and again and again 🔁
• -o order_pattern — the ordering situation:
  • 0 = all unordered (default) 🌪️
  • 1 = all ordered 🧾
  • 2 = alternating 🔄
  • 3 = random 🎲
• -t stream_pattern — stream pattern vibes:
  • 0 = sequential ascending (default) ⬆️
  • 1 = random 🎲
• -M max_stream — default value 0 🌊
• -r seed — default 0, and it uses time() ⏰
• -L num_ports — default value 0. Run the mixed mode 💫
• -S num_ports — default value 0. Run the mixed mode 💫
• -D — Drain. If you're in client mode, do a read following send. 🚰

ngl bestie, -L and -S are literally the same description in the source, so I'm not gonna pretend I know something the page doesn't say 🙈

🌈 USAGE 🌈

server mode, be the one who listens 🫶:

server: sctp_test -H local_addr -P local_port -l

client mode, be the one who slides into the connection 💌:

client: sctp_test -H local_addr -P local_port -h remote_addr
 -p remote-port -s

💜 AUTHOR 💜

Michael Biebl <biebl@debian.org> — the main character who wrote this, we love them for it 👑

and that's the whole page, bestie!! 🎀 it's sctp_test(1), it lives in the General Commands Manual, and it signed off as sctp_test(1) on the way out because it's consistent like that 💖 stay slay, go send some SCTP messages, iykyk ✨🦋🌸