Commit | Line | Data |
3c6a0ce7 |
1 | package require Tcl 8.4 |
2 | |
3 | package require snit |
4 | |
5 | namespace eval ::ten:: { |
6 | set library [file dirname [info script]] |
7 | } |
8 | |
9 | snit::type ten::connector::perl { |
10 | |
11 | method connect {} { |
12 | set conn_fh [open {|object-remote-node} r+] |
b0dd2971 |
13 | set firstline [gets $conn_fh] |
3c6a0ce7 |
14 | switch $firstline { |
15 | Shere {} |
16 | default { error "Expected Shere, got $firstline" } |
17 | } |
18 | |
19 | set channel [ten::read_channel %AUTO% -fh $conn_fh] |
20 | |
21 | set conn [ |
22 | ten::connection %AUTO% -send_to_fh $conn_fh -read_channel $channel |
23 | ] |
24 | |
25 | return $conn |
26 | } |
b0dd2971 |
27 | } |
28 | |
29 | snit::type ten::connection { |
30 | |
31 | option -send_to_fh |
32 | option -read_channel |
33 | |
34 | constructor {args} { |
35 | $self configurelist $args |
36 | fconfigure $options(-send_to_fh) -buffering none |
37 | $options(-read_channel) configurelist [list \ |
38 | -on_line_call [ mymethod Receive ] \ |
39 | -on_close_call [ mymethod ChannelClosed ] \ |
40 | ] |
41 | } |
42 | |
43 | method Receive {$line} { |
44 | puts $line |
45 | } |
46 | |
47 | method ChannelClosed {} { |
48 | error "Fail" |
49 | } |
50 | |
51 | method send {message_type args} { |
52 | set future [ten::future %AUTO%] |
e7f98fb3 |
53 | $self Send [concat |
54 | [list list "str $message_type" "str $future"] $args |
55 | ] |
56 | } |
57 | |
58 | method Send {to_send} { |
59 | puts $options(-send_to_fh) [$self Serialize $to_send] |
60 | } |
61 | |
62 | method Serialize { |
b0dd2971 |
63 | } |
64 | } |
65 | |
66 | snit::type ten::future { |
67 | |
c7db0954 |
68 | variable callbacks "" |
b0dd2971 |
69 | variable is_ready 0 |
70 | variable result "" |
71 | variable failure "" |
72 | |
73 | method done {args} { |
74 | if [$self is_ready] { |
75 | error "Future $self already completed" |
76 | } |
77 | set result $args |
78 | $self MarkReady |
79 | } |
80 | |
81 | method fail {args} { |
82 | if [$self is_ready] { |
83 | error "Future $self already completed" |
84 | } |
85 | set failure $args |
86 | $self MarkReady |
87 | } |
88 | |
89 | method on_ready {cb_code} { |
c7db0954 |
90 | if [$self is_ready] { |
91 | eval [concat $cb_code $self] |
92 | } else { |
93 | lappend callbacks [list ready $cb_code] |
94 | } |
b0dd2971 |
95 | } |
96 | |
97 | method on_done {cb_code} { |
c7db0954 |
98 | if [llength $result] { |
99 | eval [concat $cb_code [list $result]] |
100 | } else { |
101 | lappend callbacks [list done $cb_code] |
102 | } |
b0dd2971 |
103 | } |
104 | |
105 | method on_fail {cb_code} { |
c7db0954 |
106 | if [llength $failure] { |
107 | eval [concat $cb_code [list $failure]] |
108 | } else { |
109 | lappend callbacks [list fail $cb_code] |
110 | } |
b0dd2971 |
111 | } |
112 | |
113 | method MarkReady {} { |
114 | set is_ready 1 |
115 | foreach cb $callbacks { |
116 | set cb_type [lindex $cb 0] |
117 | set cb_code [lindex $cb 1] |
118 | switch $cb_type { |
119 | ready { eval [concat $cb_code $self] } |
120 | done { |
121 | if ![$self is_failure] { |
122 | eval [concat $cb_code [list $result]] |
123 | } |
124 | } |
125 | failed { |
126 | if [$self is_failure] { |
127 | eval [concat $cb_code [list $failure]] |
128 | } |
129 | } |
130 | } |
131 | } |
132 | } |
133 | |
134 | method AssertReady {} { |
135 | if {!$is_ready} { |
136 | error "Future not ready" |
137 | } |
138 | } |
139 | |
140 | method is_ready {} { return $is_ready } |
141 | |
142 | method get {} { |
143 | $self AssertReady |
144 | if [$self is_failure] { |
145 | error $failure |
146 | } |
147 | return $result |
148 | } |
149 | |
150 | method is_failure {} { |
151 | $self AssertReady |
152 | if [llength $failure] { |
153 | return 1 |
154 | } |
155 | return 0 |
156 | } |
157 | |
158 | method failure {} { |
159 | $self AssertReady |
160 | return $failure |
161 | } |
162 | |
163 | method await {} { |
164 | vwait "${selfns}::is_ready" |
165 | } |
166 | } |
3c6a0ce7 |
167 | |
168 | snit::type ten::read_channel { |
169 | option -fh |
170 | option -on_close_call |
171 | option -on_line_call |
172 | |
173 | constructor {args} { |
174 | $self configurelist $args |
175 | fconfigure $options(-fh) -blocking 0 |
176 | fileevent $options(-fh) readable [mymethod ReceiveData] |
177 | } |
178 | |
179 | method ReceiveData {} { |
180 | set chan $options(-fh) |
181 | if [eof $chan] { |
182 | if [llength $options(-on_close_call)] { |
183 | eval $options(-on_close_call) |
184 | } |
185 | } else { |
186 | if [llength $options(-on_line_call)] { |
187 | while {[llength [set line [gets $chan]]] > 0} { |
188 | eval [concat $options(-on_line_call) $line] |
189 | } |
190 | } |
191 | } |
192 | } |
193 | } |
194 | |
b0dd2971 |
195 | package provide ten 0.0.1 |