Relocate source files to an src/ subdirectory

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

src/cond-w.c

@@ -0,0 +1,161 @@
+/* Condition engine (write)
+ *
+ * Copyright (c) 2015-2016  Tobias Waldekranz <tobias@waldekranz.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <ftw.h>
+#include <libgen.h>
+#include <lite/lite.h>
+#include <stdio.h>
+#include <sys/stat.h>
+
+#include "finit.h"
+#include "cond.h"
+#include "service.h"
+
+int cond_set_path(const char *path, enum cond_state new)
+{
+	char buf[MAX_ARG_LEN], *dir;
+	enum cond_state old;
+
+	old = cond_get_path(path);
+
+	switch (new) {
+	case COND_ON:
+		strlcpy(buf, path, sizeof(buf));
+		dir = dirname(buf);
+		if (!dir) {
+			_e("Invalid path '%s' for condition", path);
+			return 0;
+		}
+		if (makepath(dir) && errno != EEXIST) {
+			_pe("Failed creating dir '%s' for condition '%s'", dir, path);
+			return 0;
+		}
+		touch(path);
+		utimensat(0, path, NULL, 0);
+		break;
+
+	case COND_OFF:
+		unlink(path);
+		break;
+
+	default:
+		_e("Invalid condition state");
+		return 0;
+	}
+
+	return new != old;
+}
+
+/* Has condition in configuration and cond is allowed? */
+static int svc_has_cond(svc_t *svc)
+{
+	if (!svc->cond[0])
+		return 0;
+
+	switch (svc->type) {
+	case SVC_TYPE_SERVICE:
+	case SVC_TYPE_TASK:
+	case SVC_TYPE_RUN:
+		return 1;
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static void cond_update(const char *name)
+{
+	svc_t *svc;
+
+	_d("%s", name);
+	for (svc = svc_iterator(1); svc; svc = svc_iterator(0)) {
+		if (!svc_has_cond(svc) || !cond_affects(name, svc->cond))
+			continue;
+
+		_d("%s: match <%s> %s", name ?: "nil", svc->cond, svc->cmd);
+		service_step(svc);
+	}
+}
+
+void cond_set(const char *name)
+{	
+	_d("%s", name);
+	if (!cond_set_path(cond_path(name), COND_ON))
+		return;
+
+	cond_update(name);
+}
+
+void cond_clear(const char *name)
+{
+	_d("%s", name);
+	if (!cond_set_path(cond_path(name), COND_OFF))
+		return;
+
+	cond_update(name);
+}
+
+void cond_reload(void)
+{
+	_d("");
+	cond_set_path(COND_RECONF, COND_ON);
+
+	cond_update(NULL);
+}
+
+
+static int reassert(const char *fpath, const struct stat *UNUSED(sb), int tflg, struct FTW *ftw)
+{
+	char *nm;
+
+	if (ftw->level == 0)
+		return 1;
+
+	if (tflg != FTW_F)
+		return 0;
+
+	nm = (char *)fpath + sizeof(COND_PATH);
+	_d("Reasserting %s => %s", fpath, nm);
+	cond_set(nm);
+
+	return 0;
+}
+/*
+ * Used only by netlink plugin atm.
+ * type: is a one of svc/, net/, etc.
+ */
+void cond_reassert(const char *type)
+{
+	_d("%s", type);
+	nftw(cond_path(type), reassert, 20, FTW_DEPTH);
+}
+
+
+/**
+ * Local Variables:
+ *  indent-tabs-mode: t
+ *  c-file-style: "linux"
+ * End:
+ */