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| author | Kartik K. Agaram <vc@akkartik.com> | 2016-09-23 23:07:58 -0700 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2016-09-23 23:07:58 -0700 |
| commit | 203563b3465fe5f25f97e475b1a4dbe957845030 (patch) | |
| tree | f6112083d29a9639109e2cde7e3075a36e3cb1b5 /html/server-socket.mu.html | |
| parent | d587411f9da46f72cd99c966cfe3150b5e72baab (diff) | |
| download | mu-203563b3465fe5f25f97e475b1a4dbe957845030.tar.gz | |
3412
Diffstat (limited to 'html/server-socket.mu.html')
| -rw-r--r-- | html/server-socket.mu.html | 53 |
1 files changed, 45 insertions, 8 deletions
diff --git a/html/server-socket.mu.html b/html/server-socket.mu.html index 0095f59a..5bb09e1f 100644 --- a/html/server-socket.mu.html +++ b/html/server-socket.mu.html @@ -15,6 +15,7 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color * { font-size: 12pt; font-size: 1em; } .muRecipe { color: #ff8700; } .Delimiter { color: #800080; } +.Comment { color: #9090ff; } .Constant { color: #00a0a0; } .Special { color: #c00000; } .muControl { color: #c0a020; } @@ -29,22 +30,36 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color </head> <body> <pre id='vimCodeElement'> +<span class="Comment"># Example of reading from a socket using channels and writing back to it</span> +<span class="Comment"># directly. Running this file and navigating to <address of server>:8080</span> +<span class="Comment"># should result in your browser displaying "SUCCESS!".</span> +<span class="Comment">#</span> +<span class="Comment"># Unfortunately, the reading implementation has some redundant, inelegant</span> +<span class="Comment"># code to make up for my lack of insight into Linux's socket internals.</span> <span class="muRecipe">def</span> main [ <span class="Constant">local-scope</span> socket:num<span class="Special"> <- </span>$socket <span class="Constant">8080/port</span> $print <span class="Constant">[Mu socket creation returned ]</span>, socket, <span class="Constant">10/newline</span> session:num<span class="Special"> <- </span>$accept socket - write-to-socket session, <span class="Constant">[HTTP/1.0 200 OK</span> - -<span class="Constant">OK]</span> + contents:&:source:char, sink:&:sink:char<span class="Special"> <- </span>new-channel <span class="Constant">30</span> + sink<span class="Special"> <- </span>start-running transmit-from-socket session, sink + buf:&:buffer<span class="Special"> <- </span>new-buffer <span class="Constant">30</span> <span class="Delimiter">{</span> - c:char, eof?:boolean<span class="Special"> <- </span>$read-from-socket session - $print c - <span class="muControl">break-if</span> eof? + c:char, done?:bool, contents<span class="Special"> <- </span>read contents + <span class="muControl">break-if</span> done? + buf<span class="Special"> <- </span>append buf, c <span class="muControl">loop</span> <span class="Delimiter">}</span> - $print <span class="Constant">10/newline</span>, <span class="Constant">[Hit end of socket, closing...]</span>, <span class="Constant">10/newline</span> - $close-socket socket, session + socket-text:text<span class="Special"> <- </span>buffer-to-array buf + $print <span class="Constant">[Done reading from socket.]</span>, <span class="Constant">10/newline</span> + write-to-socket session, <span class="Constant">[HTTP/1.0 200 OK</span> +<span class="Constant">Content-type: text/plain</span> + +<span class="Constant">SUCCESS!</span> +<span class="Constant">]</span> + $print <span class="Constant">10/newline</span>, <span class="Constant">[Wrote to and closing socket...]</span>, <span class="Constant">10/newline</span> + $close-socket session + $close-socket socket ] <span class="muRecipe">def</span> write-to-socket session-socket:number, s:address:array:character [ @@ -56,11 +71,33 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color done?:boolean<span class="Special"> <- </span>greater-or-equal i, len <span class="muControl">break-if</span> done? c:character<span class="Special"> <- </span>index *s, i + $print <span class="Constant">[writing to socket: ]</span>, i, <span class="Constant">[ ]</span>, c, <span class="Constant">10/newline</span> $write-to-socket session-socket, c i<span class="Special"> <- </span>add i, <span class="Constant">1</span> <span class="muControl">loop</span> <span class="Delimiter">}</span> ] + +<span class="muRecipe">def</span> transmit-from-socket session:num, sink:&:sink:char<span class="muRecipe"> -> </span>sink:&:sink:char [ + <span class="Constant">local-scope</span> + <span class="Constant">load-ingredients</span> + <span class="Delimiter">{</span> + req:text, bytes-read:number<span class="Special"> <- </span>$read-from-socket session, <span class="Constant">4096/bytes</span> + $print <span class="Constant">[read ]</span>, bytes-read, <span class="Constant">[ bytes from socket]</span>, <span class="Constant">10/newline</span> + i:number<span class="Special"> <- </span>copy <span class="Constant">0</span> + <span class="Delimiter">{</span> + done?:boolean<span class="Special"> <- </span>greater-or-equal i, bytes-read + <span class="muControl">break-if</span> done? + c:char<span class="Special"> <- </span>index *req, i + end-of-request?:bool<span class="Special"> <- </span>equal c, <span class="Constant">10/newline</span> + <span class="muControl">break-if</span> end-of-request? <span class="Comment"># To be safe, for now.</span> + sink<span class="Special"> <- </span>write sink, c + i<span class="Special"> <- </span>add i, <span class="Constant">1</span> + <span class="muControl">loop</span> + <span class="Delimiter">}</span> + <span class="Delimiter">}</span> + sink<span class="Special"> <- </span>close sink +] </pre> </body> </html> |