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backend/session/logind: improve logging

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emersion 2018-12-04 19:57:17 +01:00
parent 3efc6bc363
commit e23fe328a6
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GPG key ID: 0FDE7BE0E88F5E48
1 changed files with 33 additions and 28 deletions
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61
backend/session/logind.c
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@ -51,8 +51,8 @@ static struct logind_session *logind_session_from_session(
static int logind_take_device(struct wlr_session *base, const char *path) { static int logind_take_device(struct wlr_session *base, const char *path) {
struct logind_session *session = logind_session_from_session(base); struct logind_session *session = logind_session_from_session(base);
int ret;
int fd = -1; int fd = -1;
int ret;
sd_bus_message *msg = NULL; sd_bus_message *msg = NULL;
sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus_error error = SD_BUS_ERROR_NULL;
@ -70,8 +70,9 @@ static int logind_take_device(struct wlr_session *base, const char *path) {
session->path, "org.freedesktop.login1.Session", "TakeDevice", session->path, "org.freedesktop.login1.Session", "TakeDevice",
&error, &msg, "uu", major(st.st_rdev), minor(st.st_rdev)); &error, &msg, "uu", major(st.st_rdev), minor(st.st_rdev));
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to take device '%s': %s", path, error.message); wlr_log(WLR_ERROR, "Failed to take device '%s': %s", path,
goto error; error.message);
goto out;
} }
int paused = 0; int paused = 0;
@ -79,19 +80,19 @@ static int logind_take_device(struct wlr_session *base, const char *path) {
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to parse D-Bus response for '%s': %s", wlr_log(WLR_ERROR, "Failed to parse D-Bus response for '%s': %s",
path, strerror(-ret)); path, strerror(-ret));
goto error; goto out;
} }
// The original fd seems to be closed when the message is freed // The original fd seems to be closed when the message is freed
// so we just clone it. // so we just clone it.
fd = fcntl(fd, F_DUPFD_CLOEXEC, 0); fd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
if (fd == -1) { if (fd < 0) {
wlr_log(WLR_ERROR, "Failed to clone file descriptor for '%s': %s", wlr_log(WLR_ERROR, "Failed to clone file descriptor for '%s': %s",
path, strerror(errno)); path, strerror(errno));
goto error; goto out;
} }
error: out:
sd_bus_error_free(&error); sd_bus_error_free(&error);
sd_bus_message_unref(msg); sd_bus_message_unref(msg);
return fd; return fd;
@ -100,21 +101,21 @@ error:
static void logind_release_device(struct wlr_session *base, int fd) { static void logind_release_device(struct wlr_session *base, int fd) {
struct logind_session *session = logind_session_from_session(base); struct logind_session *session = logind_session_from_session(base);
int ret;
sd_bus_message *msg = NULL;
sd_bus_error error = SD_BUS_ERROR_NULL;
struct stat st; struct stat st;
if (fstat(fd, &st) < 0) { if (fstat(fd, &st) < 0) {
wlr_log(WLR_ERROR, "Failed to stat device '%d'", fd); wlr_log(WLR_ERROR, "Failed to stat device '%d': %s", fd,
strerror(errno));
return; return;
} }
ret = sd_bus_call_method(session->bus, "org.freedesktop.login1", sd_bus_message *msg = NULL;
sd_bus_error error = SD_BUS_ERROR_NULL;
int ret = sd_bus_call_method(session->bus, "org.freedesktop.login1",
session->path, "org.freedesktop.login1.Session", "ReleaseDevice", session->path, "org.freedesktop.login1.Session", "ReleaseDevice",
&error, &msg, "uu", major(st.st_rdev), minor(st.st_rdev)); &error, &msg, "uu", major(st.st_rdev), minor(st.st_rdev));
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to release device '%d'", fd); wlr_log(WLR_ERROR, "Failed to release device '%d': %s", fd,
error.message);
} }
sd_bus_error_free(&error); sd_bus_error_free(&error);
@ -155,18 +156,16 @@ static bool find_session_path(struct logind_session *session) {
"/org/freedesktop/login1", "org.freedesktop.login1.Manager", "/org/freedesktop/login1", "org.freedesktop.login1.Manager",
"GetSession", &error, &msg, "s", session->id); "GetSession", &error, &msg, "s", session->id);
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to get session path: %s", strerror(-ret)); wlr_log(WLR_ERROR, "Failed to get session path: %s", error.message);
goto out; goto out;
} }
const char *path; const char *path;
ret = sd_bus_message_read(msg, "o", &path); ret = sd_bus_message_read(msg, "o", &path);
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, "Could not parse session path: %s", strerror(-ret)); wlr_log(WLR_ERROR, "Could not parse session path: %s", error.message);
goto out; goto out;
} }
session->path = strdup(path); session->path = strdup(path);
out: out:
@ -185,7 +184,7 @@ static bool session_activate(struct logind_session *session) {
session->path, "org.freedesktop.login1.Session", "Activate", session->path, "org.freedesktop.login1.Session", "Activate",
&error, &msg, ""); &error, &msg, "");
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to activate session"); wlr_log(WLR_ERROR, "Failed to activate session: %s", error.message);
} }
sd_bus_error_free(&error); sd_bus_error_free(&error);
@ -202,7 +201,8 @@ static bool take_control(struct logind_session *session) {
session->path, "org.freedesktop.login1.Session", "TakeControl", session->path, "org.freedesktop.login1.Session", "TakeControl",
&error, &msg, "b", false); &error, &msg, "b", false);
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to take control of session"); wlr_log(WLR_ERROR, "Failed to take control of session: %s",
error.message);
} }
sd_bus_error_free(&error); sd_bus_error_free(&error);
@ -219,7 +219,8 @@ static void release_control(struct logind_session *session) {
session->path, "org.freedesktop.login1.Session", "ReleaseControl", session->path, "org.freedesktop.login1.Session", "ReleaseControl",
&error, &msg, ""); &error, &msg, "");
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to release control of session"); wlr_log(WLR_ERROR, "Failed to release control of session: %s",
error.message);
} }
sd_bus_error_free(&error); sd_bus_error_free(&error);
@ -238,12 +239,14 @@ static void logind_session_destroy(struct wlr_session *base) {
free(session); free(session);
} }
static int session_removed(sd_bus_message *msg, void *userdata, sd_bus_error *ret_error) { static int session_removed(sd_bus_message *msg, void *userdata,
sd_bus_error *ret_error) {
wlr_log(WLR_INFO, "SessionRemoved signal received"); wlr_log(WLR_INFO, "SessionRemoved signal received");
return 0; return 0;
} }
static struct wlr_device *find_device(struct wlr_session *session, dev_t devnum) { static struct wlr_device *find_device(struct wlr_session *session,
dev_t devnum) {
struct wlr_device *dev; struct wlr_device *dev;
wl_list_for_each(dev, &session->devices, link) { wl_list_for_each(dev, &session->devices, link) {
@ -257,7 +260,8 @@ static struct wlr_device *find_device(struct wlr_session *session, dev_t devnum)
assert(0); assert(0);
} }
static int pause_device(sd_bus_message *msg, void *userdata, sd_bus_error *ret_error) { static int pause_device(sd_bus_message *msg, void *userdata,
sd_bus_error *ret_error) {
struct logind_session *session = userdata; struct logind_session *session = userdata;
int ret; int ret;
@ -401,8 +405,8 @@ static int properties_changed(sd_bus_message *msg, void *userdata,
"org.freedesktop.login1.Session", "Active", &error, "org.freedesktop.login1.Session", "Active", &error,
'b', &active); 'b', &active);
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to get 'Active' property: '%s' (%s)", wlr_log(WLR_ERROR, "Failed to get 'Active' property: %s",
error.message, strerror(ret)); error.message);
return 0; return 0;
} }
@ -421,7 +425,7 @@ static int properties_changed(sd_bus_message *msg, void *userdata,
return 0; return 0;
error: error:
wlr_log(WLR_ERROR, "Failed to parse D-Bus PropertiesChanged %s", wlr_log(WLR_ERROR, "Failed to parse D-Bus PropertiesChanged: %s",
strerror(-ret)); strerror(-ret));
return 0; return 0;
} }
@ -436,7 +440,8 @@ static bool add_signal_matches(struct logind_session *session) {
"member='%s'," "member='%s',"
"path='%s'"; "path='%s'";
snprintf(str, sizeof(str), fmt, "Manager", "SessionRemoved", "/org/freedesktop/login1"); snprintf(str, sizeof(str), fmt, "Manager", "SessionRemoved",
"/org/freedesktop/login1");
ret = sd_bus_add_match(session->bus, NULL, str, session_removed, session); ret = sd_bus_add_match(session->bus, NULL, str, session_removed, session);
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to add D-Bus match: %s", strerror(-ret)); wlr_log(WLR_ERROR, "Failed to add D-Bus match: %s", strerror(-ret));