added a guest.mconsole() method to script mconsole (e.g. add additional conX=)

src/dumm/ext/dumm.c

@@ -204,6 +204,22 @@ static VALUE guest_exec(VALUE self, VALUE cmd)
 	bool block;
 	int ret;
 	
+	block = rb_block_given_p();
+	Data_Get_Struct(self, guest_t, guest);
+	if ((ret = guest->exec_str(guest, block ? (void*)exec_cb : NULL, TRUE, NULL,
+					"exec %s", StringValuePtr(cmd))) != 0)
+	{
+		rb_raise(rb_eRuntimeError, "executing command failed (%d)", ret);
+	}
+	return self;
+}
+
+static VALUE guest_mconsole(VALUE self, VALUE cmd)
+{
+	guest_t *guest;
+	bool block;
+	int ret;
+	
 	block = rb_block_given_p();
 	Data_Get_Struct(self, guest_t, guest);
 	if ((ret = guest->exec_str(guest, block ? (void*)exec_cb : NULL, TRUE, NULL,
@@ -310,6 +326,7 @@ static void guest_init()
 	rb_define_method(rbc_guest, "stop", guest_stop, 0);
 	rb_define_method(rbc_guest, "running?", guest_running, 0);
 	rb_define_method(rbc_guest, "exec", guest_exec, 1);
+	rb_define_method(rbc_guest, "mconsole", guest_mconsole, 1);
 	rb_define_method(rbc_guest, "add", guest_add_iface, 1);
 	rb_define_method(rbc_guest, "[]", guest_get_iface, 1);
 	rb_define_method(rbc_guest, "each", guest_each_iface, -1);

src/dumm/guest.h

@@ -142,7 +142,7 @@ struct guest_t {
 	bool (*load_template)(guest_t *this, char *parent);
 	
 	/**
-	 * Execute a command in the guest.
+	 * Execute a command on the guests mconsole.
 	 *
 	 * @param cb		callback to call for each read block
 	 * @param data		data to pass to callback
@@ -154,20 +154,22 @@ struct guest_t {
 				char *cmd, ...);
 	
 	/**
-	 * Execute a command in the guest and return the output by lines or as combined
+	 * Execute a command on the guests mconsole, with output formatter.
-	 * string.
 	 * 
-	 * @note This function does not work with binary output (i.e. containing 0 bytes).
+	 * If lines is TRUE, callback is invoked for each output line. Otherwise
+	 * the full result is returned in one callback invocation.
+	 * 
+	 * @note This function does not work with binary output.
 	 * 
 	 * @param cb		callback to call for each line or for the complete output
-	 * @param lines		TRUE if the callback should be called for each line (instead of for the combined output)
+	 * @param lines		TRUE if the callback should be called for each line
 	 * @param data		data to pass to callback
 	 * @param cmd		command to execute
 	 * @param ...		printf style argument list for cmd
 	 * @return			return value
 	 */
 	int (*exec_str)(guest_t *this, void(*cb)(void*,char*), bool lines,
-				void *data, char *cmd, ...);
+					void *data, char *cmd, ...);
 	
 	/**
 	 * @brief Called whenever a SIGCHILD for the guests PID is received.

src/dumm/iface.c

@@ -104,8 +104,8 @@ static char* get_hostif(private_iface_t *this)
  */
 static bool add_address(private_iface_t *this, host_t *addr)
 {
-	return (this->guest->exec(this->guest, NULL, NULL, "ip addr add %H dev %s",
+	return (this->guest->exec(this->guest, NULL, NULL, 
-						  addr, this->guestif) == 0);
+				  "exec ip addr add %H dev %s", addr, this->guestif) == 0);
 }
 
 /**
@@ -136,7 +136,7 @@ static enumerator_t* create_address_enumerator(private_iface_t *this)
 	linked_list_t *addresses = linked_list_create();
 	this->guest->exec_str(this->guest, (void(*)(void*,char*))compile_address_list,
 			TRUE, addresses,
-			"ip addr list dev %s scope global | "
+			"exec ip addr list dev %s scope global | "
 			"grep '^ \\+\\(inet6\\? \\)' | "
 			"awk -F '( +|/)' '{ print $3 }'", this->guestif);
 	return enumerator_create_cleaner(addresses->create_enumerator(addresses),
@@ -149,7 +149,7 @@ static enumerator_t* create_address_enumerator(private_iface_t *this)
 static bool delete_address(private_iface_t *this, host_t *addr)
 {
 	return (this->guest->exec(this->guest, NULL, NULL,
-					"ip addr del %H dev %s", addr, this->guestif) == 0);
+					"exec ip addr del %H dev %s", addr, this->guestif) == 0);
 }
 
 /**
@@ -160,12 +160,12 @@ static void set_bridge(private_iface_t *this, bridge_t *bridge)
 	if (this->bridge == NULL && bridge)
 	{
 		this->guest->exec(this->guest, NULL, NULL,
-						  "ip link set %s up", this->guestif);
+						  "exec ip link set %s up", this->guestif);
 	}
 	else if (this->bridge && bridge == NULL)
 	{
 		this->guest->exec(this->guest, NULL, NULL,
-						  "ip link set %s down", this->guestif);
+						  "exec ip link set %s down", this->guestif);
 	}
 	this->bridge = bridge;
 }

src/dumm/mconsole.c

@@ -201,7 +201,7 @@ static bool del_iface(private_mconsole_t *this, char *guest)
 static int exec(private_mconsole_t *this, void(*cb)(void*,char*,size_t),
 				void *data, char *cmd)
 {
-	return request(this, cb, data, "exec %s", cmd);
+	return request(this, cb, data, "%s", cmd);
 }
 
 /**

src/dumm/mconsole.h

@@ -43,7 +43,7 @@ struct mconsole_t {
 	bool (*del_iface)(mconsole_t *this, char *guest);
 	
 	/**
-	 * Execute a command in the UML host.
+	 * Execute a command on the mconsole.
 	 *
 	 * @param cb			callback function to invoke for each line
 	 * @param data			data to pass to callback