15-imap.diag

seqdiag {
  span_height = 4;
  default_fontsize = 10;
  Python -> "IMAP Server" [
    leftnote="c = IMAPClient(hostname)",
    rightnote="TCP accept()"
  ];
  Python <- "IMAP Server" [
    label = "* OK IMAP4rev1 Service Ready"
  ];
  Python -> "IMAP Server" [
    leftnote="c.login('guido', 'bdfl')",
    label = "a001 login guido bdfl"
  ];
  Python <- "IMAP Server" [
    label = "a001 OK LOGIN completed"
  ];
  Python -> "IMAP Server" [
    leftnote="c.select_folder('inbox')",
    label = "a002 select inbox"
  ];
  Python <- "IMAP Server" [
    leftnote="{'EXISTS': 3,\n…'RECENT': 0}",
    label = "… a002 OK … SELECT completed"
  ];
  Python -> "IMAP Server" [
    leftnote="c.logout()",
    label = "a003 logout"
  ];
  Python <- "IMAP Server" [
    rightnote="TCP close()",
    label = "a003 OK LOGOUT completed"
  ];
}