4 6 3 7 5 2 1 0 8 DIS CER REQ TAR ASS QUE CON EST

0
INI
1
1
8
16
17
3
TAR
5
10
CON
11
ASS−CON: ssui(): connect_server() == SN_ERR_NONE
4
CON−EST: sess_update_st_con_tcp(): !timeout && !conn_err
5
EST−DIS: stream_sock_read/write/shutr/shutw: close
EST−DIS: process_session(): error
6
REQ−QUE: prepare_conn_request(): srv_redispatch_connect() != 0 (SI_ST_QUE)
7
QUE−REQ: ssui(): !pend_pos && SN_ASSIGNED
8
QUE−REQ: ssui(): !pend_pos && !SN_ASSIGNED
9
ASS−REQ: connect_server: conn_retries == 0 && PR_O_REDISP
10
CER−ASS: sess_update_st_cer(): timeout && (conn_retries >= 0 || !PR_O_REDISP)
11
CER−TAR: sess_update_st_cer(): conn_err && conn_retries >= 0
12
TAR−ASS: ssui(): SI_FL_EXP && SN_ASSIGNED
13
TAR−REQ: ssui(): SI_FL_EXP && !SN_ASSIGNED
14
CER−REQ: sess_update_st_cer(): timeout && !conn_retries && PR_O_REDISP
15
REQ−CLO: prepare_conn_request(): srv_redispatch_connect() != 0 (error)
16
QUE−CLO: ssui(): pend_pos && (SI_FL_EXP || req_aborted)
17
ASS−CLO: ssui(): connect_server() == SN_ERR_INTERNAL || conn_retries < 0
ASS−CLO: PR_O_REDISP && SN_REDIRECTABLE && perform_http_redirect()
18
CON−CER: sess_update_st_con_tcp(): timeout/SI_FL_ERR
19
CER−CLO: sess_update_st_cer(): (ERR/EXP) && conn_retries < 0
20
DIS−CLO: process_session(): cleanup
21
TAR−CLO: sess_update_stream_int(): client abort
22
CON−DIS: sess_update_st_con_tcp(): client abort
7
ASS
12
21
QUE
9
4
3
REQ−ASS: prepare_conn_request(): srv_redispatch_connect() == 0
3
2
6
13
INI−REQ:
2
15
REQ
2
1
22
18
14
4
7
6
CER
19
EST
5
8
DIS
20
9
CLO
state
INI
REQ
QUE
TAR
ASS
fd
−
−
−
−
−
ERR
0
X
0
X
X
X
X
EXP
0
X
0
0
X
X
X
sess
−
−
−
−
−
Note: states painted yellow above are transient ; process_session() will never leave a stream interface in any of those upon return.
CON
CER
EST
DIS
CLO
−
−
X
X
X
X
X
X
−
−
−