Changes between Initial Version and Version 1 of Component/Process Wrapper

Timestamp:

Mar 7, 2008, 4:54:00 PM (18 years ago)

Author:

Nicolas Pouillon

Comment:

--

Component/Process Wrapper

@@ +1 @@
+[wiki:Component SocLib Components General Index] 
+
+= Component description =
+
+This component is a common utility component.
+
+This creates a wrapper to a process. The wrapped process will be executed with the simulator, wrapping code may:
+ * read stdout from wrapped process
+ * poll stdout from wrapped process
+ * write to wrapped process' stdin
+ * send signals to wrapped process
+
+= Component usage =
+
+== Object ==
+
+{{{
+soclib::common::ProcessWrapper *process;
+}}}
+
+== Instanciation ==
+
+
+{{{
+    soclib::common::ProcessWrapper(
+        const std::string &cmd,
+        const std::vector<std::string> &argv );
+}}}
+
+ cmd::
+   The command to launch, it will be looked for in $PATH
+ argv::
+   The argv in a standart unix style. argv[0] should look like cmd.
+
+== Usage ==
+
+{{{
+    std::vector<std::string> argv;
+    argv.push_back("date");
+    argv.push_back("+%s");
+    soclib::common::ProcessWrapper process("date", argv);
+
+    char buffer[128];
+    process.read( buffer, 128 );
+    std::cout << "Date is " << buffer << " seconds since EPOCH" << std::endl;
+}}}
+