Bill Wellingers implementation of the line printer protocol.

Rev: lib/modules/Protocols.pmod/LPD.pmod:1.1

lib/modules/Protocols.pmod/LPD.pmod

+//
+// LPD.pmod: an implimentation of the BSD lpd protocol
+// This is a module for pike.
+// 3 April 1998 <hww3@riverweb.com> Bill Welliver
+//
+
+class client {
+  string host;
+  int port;
+  object conn;
+  int jobnum;
+  string jobtype;
+
+  int set_job_type(string type)
+  {
+    type=lower_case(type);
+    
+    switch (type) { 
+     case "f":
+     case "text":
+      jobtype="f";
+      break;
+
+     case "o":
+     case "postscript":
+     case "ps":
+      jobtype="o";
+      break;
+
+     default:
+     case "l":
+     case "raw":
+      jobtype="l";
+      break;
+    }
+    return 1;
+  }
+
+  string|int start_queue(string queue)
+  {
+    if(!queue) return 0;
+
+    if(!conn->connect(host, port))
+      return 0;
+
+    conn->write(sprintf("%c%s\n", 01, queue));
+    string resp= conn->read();
+    conn->close();
+    return 1;
+  }
+
+  string|int send_job(string queue, string job)
+  {
+    int r;
+    string resp;
+
+    if(!queue) return 0;
+
+    if(!conn->connect(host, port))
+      return 0;
+    werror("connected to " + host + "\n");
+
+    conn->write(sprintf("%c%s\n", 02, queue));
+    // werror("sent send data command\n");
+    string control="";
+    control+="H"+gethostname()+"\n";
+    control+="P"+(getpwuid(getuid())[0]||"nobody");
+    control+=(jobtype||"l")+"dfA"+ sprintf("%3d%s", jobnum, gethostname())+"\n";
+
+    jobnum++;
+    conn->write(sprintf("%c%s cfA%3d%s\n", 02, (string)sizeof(control),
+			jobnum,gethostname()));
+    // werror("getting ready to send control file\n");
+
+    conn->write(sprintf("%s%c", control, 0));
+    // werror("sent control file\n");
+
+    conn->write(sprintf("%c%s dfA%3d%s\n", 03, (string)sizeof(job), jobnum,
+			gethostname()));
+    conn->write(sprintf("%s%c", job, 0));
+    // werror("sent data file\n");
+
+    conn->close();
+    start_queue(queue);
+
+    return 1;
+  }
+
+  string|int delete_job(string queue, int|void job)
+  {
+    if(!queue) return 0;
+
+    if(!conn->connect(host, port))
+      return 0;
+
+    string agent=(getpwuid(getuid())[0]||"nobody");
+
+    if(job)
+      conn->write(sprintf("%c%s %s %d\n", 05, queue, agent, job));
+    else
+      conn->write(sprintf("%c%s %s\n", 05, queue, agent));
+    string resp= conn->read();
+    conn->close();
+    return 1;
+  }
+
+
+  string|int status(string queue)
+  {
+    if(!queue) return 0;
+
+    if(!conn->connect(host, port))
+      return 0;
+
+    conn->write(sprintf("%c%s\n", 04, queue));
+    string resp= conn->read();
+    conn->close();
+    return resp;
+  }
+
+  void create(string|void hostname, int|void portnum)
+  {
+    host=hostname || "localhost";
+    port=portnum || 515;
+    conn=Stdio.File();
+    jobnum=0;
+  }
+}