rotation-api: pass session name explicitly
[lttng-tools.git] / src / lib / lttng-ctl / rotate.c
index d0e1274976be2cc6759cee884e55953c8bf5390f..f32c69be18d10bc07c0c8294ff808aee23f50333 100644 (file)
 
 #include <lttng/lttng-error.h>
 #include <lttng/rotation.h>
+#include <lttng/location-internal.h>
 #include <lttng/rotate-internal.h>
 #include <common/sessiond-comm/sessiond-comm.h>
 #include <common/macros.h>
 
 #include "lttng-ctl-helper.h"
 
-struct lttng_rotation_immediate_attr *lttng_rotation_immediate_attr_create(void)
-{
-       return zmalloc(sizeof(struct lttng_rotation_immediate_attr));
-}
-
 struct lttng_rotation_schedule_attr *lttng_rotation_schedule_attr_create(void)
 {
        return zmalloc(sizeof(struct lttng_rotation_schedule_attr));
 }
 
-void lttng_rotation_immediate_attr_destroy(
-               struct lttng_rotation_immediate_attr *attr)
-{
-       free(attr);
-}
-
 void lttng_rotation_schedule_attr_destroy(struct lttng_rotation_schedule_attr *attr)
 {
        if (attr) {
@@ -51,29 +41,6 @@ void lttng_rotation_schedule_attr_destroy(struct lttng_rotation_schedule_attr *a
        }
 }
 
-enum lttng_rotation_status lttng_rotation_immediate_attr_set_session_name(
-               struct lttng_rotation_immediate_attr *attr,
-               const char *session_name)
-{
-       enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK;
-       int ret;
-
-       if (!attr || !session_name) {
-               status = LTTNG_ROTATION_STATUS_INVALID;
-               goto error;
-       }
-
-       ret = lttng_strncpy(attr->session_name, session_name,
-                       sizeof(attr->session_name));
-       if (ret) {
-               status = LTTNG_ROTATION_STATUS_INVALID;
-               goto error;
-       }
-
-error:
-       return status;
-}
-
 static
 enum lttng_rotation_status ask_rotation_info(
                struct lttng_rotation_handle *rotation_handle,
@@ -110,29 +77,6 @@ end:
 
 }
 
-enum lttng_rotation_status lttng_rotation_schedule_attr_set_session_name(
-               struct lttng_rotation_schedule_attr *attr,
-               const char *session_name)
-{
-       enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK;
-       int ret;
-
-       if (!attr || !session_name) {
-               status = LTTNG_ROTATION_STATUS_INVALID;
-               goto error;
-       }
-
-       ret = lttng_strncpy(attr->session_name, session_name,
-                       sizeof(attr->session_name));
-       if (ret) {
-               status = LTTNG_ROTATION_STATUS_INVALID;
-               goto error;
-       }
-
-error:
-       return status;
-}
-
 enum lttng_rotation_status lttng_rotation_schedule_attr_set_timer_period(
                struct lttng_rotation_schedule_attr *attr,
                uint64_t timer)
@@ -149,13 +93,45 @@ end:
        return status;
 }
 
+void lttng_rotation_schedule_attr_set_size(
+               struct lttng_rotation_schedule_attr *attr, uint64_t size)
+{
+       attr->size = size;
+}
+
+static
+struct lttng_trace_archive_location *
+create_trace_archive_location_from_get_info(
+               const struct lttng_rotation_get_info_return *info)
+{
+       struct lttng_trace_archive_location *location;
+
+       switch (info->location_type) {
+       case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL:
+               location = lttng_trace_archive_location_local_create(
+                               info->location.local.absolute_path);
+               break;
+       case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY:
+               location = lttng_trace_archive_location_relay_create(
+                               info->location.relay.host,
+                               info->location.relay.protocol,
+                               info->location.relay.ports.control,
+                               info->location.relay.ports.data,
+                               info->location.relay.relative_path);
+               break;
+       default:
+               location = NULL;
+               break;
+       }
+       return location;
+}
+
 enum lttng_rotation_status lttng_rotation_handle_get_state(
                struct lttng_rotation_handle *rotation_handle,
                enum lttng_rotation_state *state)
 {
        enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK;
        struct lttng_rotation_get_info_return *info = NULL;
-       int ret;
 
        if (!rotation_handle || !state) {
                status = LTTNG_ROTATION_STATUS_INVALID;
@@ -168,7 +144,7 @@ enum lttng_rotation_status lttng_rotation_handle_get_state(
        }
 
        *state = (enum lttng_rotation_state) info->status;
-       if (rotation_handle->archive_location.is_set ||
+       if (rotation_handle->archive_location ||
                        *state != LTTNG_ROTATION_STATE_COMPLETED) {
                /*
                 * The path is only provided by the sessiond once
@@ -181,35 +157,32 @@ enum lttng_rotation_status lttng_rotation_handle_get_state(
         * Cache the location since the rotation may expire before the user
         * has a chance to query it.
         */
-       ret = lttng_strncpy(rotation_handle->archive_location.path,
-                       info->path,
-                       sizeof(rotation_handle->archive_location.path));
-       if (ret) {
+       rotation_handle->archive_location =
+                       create_trace_archive_location_from_get_info(info);
+       if (!rotation_handle->archive_location) {
                status = LTTNG_ROTATION_STATUS_ERROR;
                goto end;
        }
-       rotation_handle->archive_location.is_set = true;
 end:
        free(info);
        return status;
 }
 
-enum lttng_rotation_status lttng_rotation_handle_get_completed_archive_location(
+enum lttng_rotation_status lttng_rotation_handle_get_archive_location(
                struct lttng_rotation_handle *rotation_handle,
-               const char **path)
+               const struct lttng_trace_archive_location **location)
 {
-       int ret;
        enum lttng_rotation_status status = LTTNG_ROTATION_STATUS_OK;
        struct lttng_rotation_get_info_return *info = NULL;
 
-       if (!rotation_handle || !path) {
+       if (!rotation_handle || !location) {
                status = LTTNG_ROTATION_STATUS_INVALID;
                goto end;
        }
 
        /* Use the cached location we got from a previous query. */
-       if (rotation_handle->archive_location.is_set) {
-               *path = rotation_handle->archive_location.path;
+       if (rotation_handle->archive_location) {
+               *location = rotation_handle->archive_location;
                goto end;
        }
 
@@ -224,14 +197,12 @@ enum lttng_rotation_status lttng_rotation_handle_get_completed_archive_location(
                goto end;
        }
 
-       ret = lttng_strncpy(rotation_handle->archive_location.path,
-                       info->path,
-                       sizeof(rotation_handle->archive_location.path));
-       if (ret) {
+       rotation_handle->archive_location =
+                       create_trace_archive_location_from_get_info(info);
+       if (!rotation_handle->archive_location) {
                status = LTTNG_ROTATION_STATUS_ERROR;
                goto end;
        }
-       rotation_handle->archive_location.is_set = true;
 end:
        free(info);
        return status;
@@ -240,17 +211,22 @@ end:
 void lttng_rotation_handle_destroy(
                struct lttng_rotation_handle *rotation_handle)
 {
+       if (!rotation_handle) {
+               return;
+       }
+       lttng_trace_archive_location_destroy(rotation_handle->archive_location);
        free(rotation_handle);
 }
 
 static
 int init_rotation_handle(struct lttng_rotation_handle *rotation_handle,
+               const char *session_name,
                struct lttng_rotate_session_return *rotate_return,
                struct lttng_rotation_immediate_attr *attr)
 {
        int ret;
 
-       ret = lttng_strncpy(rotation_handle->session_name, attr->session_name,
+       ret = lttng_strncpy(rotation_handle->session_name, session_name,
                        sizeof(rotation_handle->session_name));
        if (ret) {
                goto end;
@@ -266,21 +242,30 @@ end:
  *
  * Return 0 on success else a negative LTTng error code.
  */
-int lttng_rotate_session(struct lttng_rotation_immediate_attr *attr,
+int lttng_rotate_session(const char *session_name,
+               struct lttng_rotation_immediate_attr *attr,
                struct lttng_rotation_handle **rotation_handle)
 {
        struct lttcomm_session_msg lsm;
        struct lttng_rotate_session_return *rotate_return = NULL;
        int ret;
+       size_t session_name_len;
 
-       if (!attr) {
+       if (!session_name) {
+               ret = -LTTNG_ERR_INVALID;
+               goto end;
+       }
+
+       session_name_len = strlen(session_name);
+       if (session_name_len >= sizeof(lsm.session.name) ||
+           session_name_len >= member_sizeof(struct lttng_rotation_handle, session_name)) {
                ret = -LTTNG_ERR_INVALID;
                goto end;
        }
 
        memset(&lsm, 0, sizeof(lsm));
        lsm.cmd_type = LTTNG_ROTATE_SESSION;
-       lttng_ctl_copy_string(lsm.session.name, attr->session_name,
+       lttng_ctl_copy_string(lsm.session.name, session_name,
                        sizeof(lsm.session.name));
 
        ret = lttng_ctl_ask_sessiond(&lsm, (void **) &rotate_return);
@@ -295,7 +280,8 @@ int lttng_rotate_session(struct lttng_rotation_immediate_attr *attr,
                goto end;
        }
 
-       init_rotation_handle(*rotation_handle, rotate_return, attr);
+       init_rotation_handle(*rotation_handle, session_name, rotate_return,
+                       attr);
 
        ret = 0;
 
@@ -307,25 +293,82 @@ end:
 /*
  * Configure the automatic rotate parameters.
  */
-int lttng_rotation_set_schedule(
+int lttng_rotation_set_schedule(const char *session_name,
                struct lttng_rotation_schedule_attr *attr)
 {
        struct lttcomm_session_msg lsm;
        int ret;
 
-       if (!attr) {
+       if (!attr || !session_name) {
+               ret = -LTTNG_ERR_INVALID;
+               goto end;
+       }
+
+       if (strlen(session_name) >= sizeof(lsm.session.name)) {
                ret = -LTTNG_ERR_INVALID;
                goto end;
        }
 
        memset(&lsm, 0, sizeof(lsm));
        lsm.cmd_type = LTTNG_ROTATION_SET_SCHEDULE;
-       lttng_ctl_copy_string(lsm.session.name, attr->session_name,
+       lttng_ctl_copy_string(lsm.session.name, session_name,
                        sizeof(lsm.session.name));
        lsm.u.rotate_setup.timer_us = attr->timer_us;
+       lsm.u.rotate_setup.size = attr->size;
 
        ret = lttng_ctl_ask_sessiond(&lsm, NULL);
+end:
+       return ret;
+}
+
+int lttng_rotation_schedule_get_timer_period(const char *session_name,
+               uint64_t *rotate_timer)
+{
+       struct lttcomm_session_msg lsm;
+       struct lttng_rotation_schedule_get_timer_period *get_timer = NULL;
+       int ret;
+
+       memset(&lsm, 0, sizeof(lsm));
+       lsm.cmd_type = LTTNG_ROTATION_SCHEDULE_GET_TIMER_PERIOD;
+       lttng_ctl_copy_string(lsm.session.name, session_name,
+                       sizeof(lsm.session.name));
+
+       ret = lttng_ctl_ask_sessiond(&lsm, (void **) &get_timer);
+       if (ret < 0) {
+               ret = -1;
+               goto end;
+       }
+
+       *rotate_timer = get_timer->rotate_timer;
+       ret = 0;
+end:
+       free(get_timer);
+       return ret;
+}
+
+int lttng_rotation_schedule_get_size(const char *session_name,
+               uint64_t *rotate_size)
+{
+       struct lttcomm_session_msg lsm;
+       struct lttng_rotation_schedule_get_size *get_size = NULL;
+       int ret;
+
+       memset(&lsm, 0, sizeof(lsm));
+       lsm.cmd_type = LTTNG_ROTATION_SCHEDULE_GET_SIZE;
+       lttng_ctl_copy_string(lsm.session.name, session_name,
+                       sizeof(lsm.session.name));
+
+       ret = lttng_ctl_ask_sessiond(&lsm, (void **) &get_size);
+       if (ret < 0) {
+               ret = -1;
+               goto end;
+       }
+
+       *rotate_size = get_size->rotate_size;
+
+       ret = 0;
 
 end:
+       free(get_size);
        return ret;
 }
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