wrtd:lib: check rt-in version on open

Signed-off-by: Federico Vaga <federico.vaga@cern.ch> NOTE This commit has been created by `git subtree` on the Mock Turtle repository on tag mock-turtle-2.0 This commit will not compile

wrtd:lib: check rt-in version on open
Signed-off-by: Federico Vaga <federico.vaga@cern.ch> NOTE This commit has been created by `git subtree` on the Mock Turtle repository on tag mock-turtle-2.0 This commit will not compile
0d2766b2 · Federico Vaga · 2b9f8f78 · 0d2766b2 · 0d2766b2
Commit 0d2766b2 authored Oct 19, 2015 by Federico Vaga
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libwrtd-common.c lib/libwrtd-common.c +12 -0

libwrtd.h lib/libwrtd.h +2 -0

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--- a/lib/libwrtd-common.c
+++ b/lib/libwrtd-common.c
@@ -32,6 +32,8 @@ const char *wrtd_errors[] = {
 	"Trigger not found",
 	"No trigger condition",
 	"Invalid pulse width",
+	"Invalid input real-time application",
+	"Invalid output real-time application"
 };


@@ -92,6 +94,7 @@ void wrtd_exit()
 static struct wrtd_node *wrtd_open(uint32_t device_id, unsigned int is_lun)
 {
 	struct wrtd_desc *wrtd;
+	struct wrnc_rt_version version;
 	int err;

 	wrtd = malloc(sizeof(struct wrtd_desc));
@@ -118,6 +121,15 @@ static struct wrtd_node *wrtd_open(uint32_t device_id, unsigned int is_lun)
 	if (err)
 		goto out;

+	err = wrtd_in_version((struct wrtd_node *)wrtd, &version);
+	if (err)
+		goto out;
+
+	if (version.rt_id != WRTD_IN_RT_ID) {
+		errno = EWRTD_INVALID_IN_APP;
+		goto out;
+	}
+
 	return (struct wrtd_node *)wrtd;

 out:

--- a/lib/libwrtd.h
+++ b/lib/libwrtd.h
@@ -45,6 +45,8 @@ enum wrtd_error_list {
 	EWRTD_NOFOUND_TRIGGER,
 	EWRTD_NO_TRIGGER_CONDITION,
 	EWRTD_INVALID_PULSE_WIDTH,
+	EWRTD_INVALID_IN_APP,
+	EWRTD_INVALID_OUT_APP,
 	__EWRTD_MAX_ERROR_NUMBER,
 };