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<span class="Delimiter">:(before "End Types")</span>
<span class="Normal">struct</span> socket_t <span class="Delimiter">{</span>
<span class="Normal">int</span> fd<span class="Delimiter">;</span>
sockaddr_in addr<span class="Delimiter">;</span>
socket_t<span class="Delimiter">()</span> <span class="Delimiter">{</span>
fd = <span class="Constant">0</span><span class="Delimiter">;</span>
bzero<span class="Delimiter">(</span>&addr<span class="Delimiter">,</span> <span class="Normal">sizeof</span><span class="Delimiter">(</span>addr<span class="Delimiter">));</span>
<span class="Delimiter">}</span>
<span class="Delimiter">};</span>
<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
_OPEN_SERVER_SOCKET<span class="Delimiter">,</span>
<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"$open-server-socket"</span><span class="Delimiter">,</span> _OPEN_SERVER_SOCKET<span class="Delimiter">);</span>
<span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span class="Normal">case</span> _OPEN_SERVER_SOCKET: <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'$open-server-socket' requires exactly one ingredient (the port to listen for requests on), but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of '$open-server-socket' should be a number, but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'$open-server-socket' requires exactly one product, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first product of '$open-server-socket' should be a number (file handle), but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span class="Normal">case</span> _OPEN_SERVER_SOCKET: <span class="Delimiter">{</span>
<span class="Normal">int</span> port = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
socket_t* server = server_socket<span class="Delimiter">(</span>port<span class="Delimiter">);</span>
products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>server<span class="Delimiter">-></span>fd < <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">delete</span> server<span class="Delimiter">;</span>
products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> result = <span class="Normal">reinterpret_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>server<span class="Delimiter">);</span>
products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Normal">static_cast</span><<span class="Normal">double</span>><span class="Delimiter">(</span>result<span class="Delimiter">));</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(code)</span>
socket_t* server_socket<span class="Delimiter">(</span><span class="Normal">int</span> port<span class="Delimiter">)</span> <span class="Delimiter">{</span>
socket_t* result = <span class="Normal">new</span> socket_t<span class="Delimiter">;</span>
result<span class="Delimiter">-></span>fd = socket<span class="Delimiter">(</span>AF_INET<span class="Delimiter">,</span> SOCK_STREAM<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">-></span>fd < <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise << <span class="Constant">"Failed to create server socket.</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Normal">delete</span> result<span class="Delimiter">;</span>
<span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">int</span> dummy = <span class="Constant">0</span><span class="Delimiter">;</span>
setsockopt<span class="Delimiter">(</span>result<span class="Delimiter">-></span>fd<span class="Delimiter">,</span> SOL_SOCKET<span class="Delimiter">,</span> SO_REUSEADDR<span class="Delimiter">,</span> &dummy<span class="Delimiter">,</span> <span class="Normal">sizeof</span><span class="Delimiter">(</span>dummy<span class="Delimiter">));</span>
result<span class="Delimiter">-></span>addr<span class="Delimiter">.</span>sin_family = AF_INET<span class="Delimiter">;</span>
result<span class="Delimiter">-></span>addr<span class="Delimiter">.</span>sin_addr<span class="Delimiter">.</span>s_addr = INADDR_ANY<span class="Delimiter">;</span>
result<span class="Delimiter">-></span>addr<span class="Delimiter">.</span>sin_port = htons<span class="Delimiter">(</span>port<span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>bind<span class="Delimiter">(</span>result<span class="Delimiter">-></span>fd<span class="Delimiter">,</span> <span class="Normal">reinterpret_cast</span><sockaddr*><span class="Delimiter">(</span>&result<span class="Delimiter">-></span>addr<span class="Delimiter">),</span> <span class="Normal">sizeof</span><span class="Delimiter">(</span>result<span class="Delimiter">-></span>addr<span class="Delimiter">))</span> >= <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
listen<span class="Delimiter">(</span>result<span class="Delimiter">-></span>fd<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">queue length</span><span class="Comment">*/</span><span class="Constant">5</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">else</span> <span class="Delimiter">{</span>
close<span class="Delimiter">(</span>result<span class="Delimiter">-></span>fd<span class="Delimiter">);</span>
result<span class="Delimiter">-></span>fd = -<span class="Constant">1</span><span class="Delimiter">;</span>
raise << <span class="Constant">"Failed to bind result socket to port "</span> << port << <span class="Constant">". Something's already using that port.</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
_ACCEPT<span class="Delimiter">,</span>
<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"$accept"</span><span class="Delimiter">,</span> _ACCEPT<span class="Delimiter">);</span>
<span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span class="Normal">case</span> _ACCEPT: <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'$accept' requires exactly one ingredient, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of '$accept' should be a number, but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'$accept' requires exactly one product, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first product of '$accept' should be a number (file handle), but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span class="Normal">case</span> _ACCEPT: <span class="Delimiter">{</span>
products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>
products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> <span class="Comment">// indicate it modifies its ingredient</span>
<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> x = <span class="Normal">static_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
socket_t* server = <span class="Normal">reinterpret_cast</span><socket_t*><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>server<span class="Delimiter">)</span> <span class="Delimiter">{</span>
socket_t* session = accept_session<span class="Delimiter">(</span>server<span class="Delimiter">);</span>
<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> result = <span class="Normal">reinterpret_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>session<span class="Delimiter">);</span>
products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Normal">static_cast</span><<span class="Normal">double</span>><span class="Delimiter">(</span>result<span class="Delimiter">));</span>
<span class="Delimiter">}</span>
<span class="Normal">else</span> <span class="Delimiter">{</span>
products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(code)</span>
socket_t* accept_session<span class="Delimiter">(</span>socket_t* server<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>server<span class="Delimiter">-></span>fd == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
socket_t* result = <span class="Normal">new</span> socket_t<span class="Delimiter">;</span>
socklen_t dummy = <span class="Normal">sizeof</span><span class="Delimiter">(</span>result<span class="Delimiter">-></span>addr<span class="Delimiter">);</span>
result<span class="Delimiter">-></span>fd = accept<span class="Delimiter">(</span>server<span class="Delimiter">-></span>fd<span class="Delimiter">,</span> <span class="Normal">reinterpret_cast</span><sockaddr*><span class="Delimiter">(</span>&result<span class="Delimiter">-></span>addr<span class="Delimiter">),</span> &dummy<span class="Delimiter">);</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
_READ_FROM_SOCKET<span class="Delimiter">,</span>
<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"$read-from-socket"</span><span class="Delimiter">,</span> _READ_FROM_SOCKET<span class="Delimiter">);</span>
<span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span class="Normal">case</span> _READ_FROM_SOCKET: <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'$read-from-socket' requires exactly two ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of '$read-from-socket' should be a number, but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"second ingredient of '$read-from-socket' should be a number, but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'$read-from-socket' requires exactly two product, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span class="Normal">case</span> _READ_FROM_SOCKET: <span class="Delimiter">{</span>
<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> x = <span class="Normal">static_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
<span class="Normal">int</span> bytes = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> <span class="CommentedCode">//? Should this be something with more bytes?</span>
socket_t* socket = <span class="Normal">reinterpret_cast</span><socket_t*><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
<span class="Normal">int</span> socket_fd = socket<span class="Delimiter">-></span>fd<span class="Delimiter">;</span>
<span class="Normal">char</span> contents[bytes]<span class="Delimiter">;</span>
bzero<span class="Delimiter">(</span>contents<span class="Delimiter">,</span> bytes<span class="Delimiter">);</span>
<span class="Normal">int</span> bytes_read = read<span class="Delimiter">(</span>socket_fd<span class="Delimiter">,</span> contents<span class="Delimiter">,</span> bytes - <span class="Constant">1</span> <span class="Comment">/*</span><span class="Comment"> null-terminated </span><span class="Comment">*/</span><span class="Delimiter">);</span>
<span class="CommentedCode">//? cerr << "Read:\n" << string(contents) << "\n";</span>
products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>
products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>new_mu_text<span class="Delimiter">(</span>string<span class="Delimiter">(</span>contents<span class="Delimiter">)));</span>
products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>bytes_read<span class="Delimiter">);</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
_WRITE_TO_SOCKET<span class="Delimiter">,</span>
<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"$write-to-socket"</span><span class="Delimiter">,</span> _WRITE_TO_SOCKET<span class="Delimiter">);</span>
<span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span class="Normal">case</span> _WRITE_TO_SOCKET: <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'$write-to-socket' requires exactly two ingredient, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span class="Normal">case</span> _WRITE_TO_SOCKET: <span class="Delimiter">{</span>
<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> x = <span class="Normal">static_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
socket_t* session = <span class="Normal">reinterpret_cast</span><socket_t*><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
<span class="Comment">// Write one character to a session at a time.</span>
<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> y = <span class="Normal">static_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
<span class="Normal">char</span> c = <span class="Normal">static_cast</span><<span class="Normal">char</span>><span class="Delimiter">(</span>y<span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>write<span class="Delimiter">(</span>session<span class="Delimiter">-></span>fd<span class="Delimiter">,</span> &c<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"failed to write to socket</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
exit<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> result = <span class="Normal">reinterpret_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>session<span class="Delimiter">);</span>
products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span>
_CLOSE_SOCKET<span class="Delimiter">,</span>
<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span>
put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"$close-socket"</span><span class="Delimiter">,</span> _CLOSE_SOCKET<span class="Delimiter">);</span>
<span class="Delimiter">:(before "End Primitive Recipe Checks")</span>
<span class="Normal">case</span> _CLOSE_SOCKET: <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'$close-socket' requires exactly two ingredient, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of '$close-socket' should be a character, but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span>
<span class="Normal">case</span> _CLOSE_SOCKET: <span class="Delimiter">{</span>
<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> x = <span class="Normal">static_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
socket_t* socket = <span class="Normal">reinterpret_cast</span><socket_t*><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
close<span class="Delimiter">(</span>socket<span class="Delimiter">-></span>fd<span class="Delimiter">);</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Includes")</span>
<span class="PreProc">#include </span><span class="Constant"><netinet/in.h></span>
<span class="PreProc">#include </span><span class="Constant"><sys/socket.h></span>
<span class="PreProc">#include </span><span class="Constant"><unistd.h></span>
</pre>
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