Build out of src tree

[lttng-ust.git] / liblttng-ust-ctl / ustctl.c

diff --git a/liblttng-ust-ctl/ustctl.c b/liblttng-ust-ctl/ustctl.c
index e4a29f99defbf4cf8b99a02b808c89e49a9cdf35..d078af5cf2d1115b3ea4aa6f6cc6740b94732fe1 100644 (file)
--- a/liblttng-ust-ctl/ustctl.c
+++ b/liblttng-ust-ctl/ustctl.c
@@ -390,6 +390,40 @@ int ustctl_add_context(int sock, struct lttng_ust_context *ctx,
        return ret;
 }
 
+int ustctl_set_filter(int sock, struct lttng_ust_filter_bytecode *bytecode,
+               struct lttng_ust_object_data *obj_data)
+{
+       struct ustcomm_ust_msg lum;
+       struct ustcomm_ust_reply lur;
+       int ret;
+
+       if (!obj_data)
+               return -EINVAL;
+
+       memset(&lum, 0, sizeof(lum));
+       lum.handle = obj_data->handle;
+       lum.cmd = LTTNG_UST_FILTER;
+       lum.u.filter.data_size = bytecode->len;
+       lum.u.filter.reloc_offset = bytecode->reloc_offset;
+
+       ret = ustcomm_send_app_msg(sock, &lum);
+       if (ret)
+               return ret;
+       if (ret) {
+               return ret;
+       }
+       /* send var len bytecode */
+       ret = ustcomm_send_unix_sock(sock, bytecode->data,
+                               bytecode->len);
+       if (ret < 0) {
+               return ret;
+       }
+       ret = ustcomm_recv_app_reply(sock, &lur, lum.handle, lum.cmd);
+       if (ret)
+               return ret;
+       return ret;
+}
+
 /* Enable event, channel and session ioctl */
 int ustctl_enable(int sock, struct lttng_ust_object_data *object)
 {
@@ -486,6 +520,56 @@ int ustctl_tracepoint_list_get(int sock, int tp_list_handle,
        return 0;
 }
 
+int ustctl_tracepoint_field_list(int sock)
+{
+       struct ustcomm_ust_msg lum;
+       struct ustcomm_ust_reply lur;
+       int ret, tp_field_list_handle;
+
+       memset(&lum, 0, sizeof(lum));
+       lum.handle = LTTNG_UST_ROOT_HANDLE;
+       lum.cmd = LTTNG_UST_TRACEPOINT_FIELD_LIST;
+       ret = ustcomm_send_app_cmd(sock, &lum, &lur);
+       if (ret)
+               return ret;
+       tp_field_list_handle = lur.ret_val;
+       DBG("received tracepoint field list handle %u", tp_field_list_handle);
+       return tp_field_list_handle;
+}
+
+int ustctl_tracepoint_field_list_get(int sock, int tp_field_list_handle,
+               struct lttng_ust_field_iter *iter)
+{
+       struct ustcomm_ust_msg lum;
+       struct ustcomm_ust_reply lur;
+       int ret;
+       ssize_t len;
+
+       if (!iter)
+               return -EINVAL;
+
+       memset(&lum, 0, sizeof(lum));
+       lum.handle = tp_field_list_handle;
+       lum.cmd = LTTNG_UST_TRACEPOINT_FIELD_LIST_GET;
+       ret = ustcomm_send_app_cmd(sock, &lum, &lur);
+       if (ret)
+               return ret;
+       if (lur.ret_code != USTCOMM_OK) {
+               DBG("Return code: %s", ustcomm_get_readable_code(lur.ret_code));
+               return -EINVAL;
+       }
+       len = ustcomm_recv_unix_sock(sock, iter, sizeof(*iter));
+       if (len != sizeof(*iter)) {
+               return -EINVAL;
+       }
+       DBG("received tracepoint field list entry event_name %s event_loglevel %d field_name %s field_type %d",
+               iter->event_name,
+               iter->loglevel,
+               iter->field_name,
+               iter->type);
+       return 0;
+}
+
 int ustctl_tracer_version(int sock, struct lttng_ust_tracer_version *v)
 {
        struct ustcomm_ust_msg lum;
@@ -682,7 +766,7 @@ void ustctl_unmap_channel(struct lttng_ust_shm_handle *handle)
 struct lttng_ust_lib_ring_buffer *ustctl_open_stream_read(struct lttng_ust_shm_handle *handle,
        int cpu)
 {
-       struct channel *chan = handle->shadow_chan;
+       struct channel *chan;
        int *shm_fd, *wait_fd;
        uint64_t *memory_map_size;
        struct lttng_ust_lib_ring_buffer *buf;
@@ -691,6 +775,7 @@ struct lttng_ust_lib_ring_buffer *ustctl_open_stream_read(struct lttng_ust_shm_h
        if (!handle)
                return NULL;
 
+       chan = handle->shadow_chan;
        buf = channel_get_ring_buffer(&chan->backend.config,
                chan, cpu, handle, &shm_fd, &wait_fd, &memory_map_size);
        if (!buf)
@@ -734,11 +819,12 @@ int ustctl_get_mmap_len(struct lttng_ust_shm_handle *handle,
                unsigned long *len)
 {
        unsigned long mmap_buf_len;
-       struct channel *chan = handle->shadow_chan;
+       struct channel *chan;
 
        if (!handle || !buf || !len)
                return -EINVAL;
 
+       chan = handle->shadow_chan;
        if (chan->backend.config.output != RING_BUFFER_MMAP)
                return -EINVAL;
        mmap_buf_len = chan->backend.buf_size;
@@ -755,11 +841,12 @@ int ustctl_get_max_subbuf_size(struct lttng_ust_shm_handle *handle,
                struct lttng_ust_lib_ring_buffer *buf,
                unsigned long *len)
 {
-       struct channel *chan = handle->shadow_chan;
+       struct channel *chan;
 
        if (!handle || !buf || !len)
                return -EINVAL;
 
+       chan = handle->shadow_chan;
        *len = chan->backend.subbuf_size;
        return 0;
 }
@@ -773,12 +860,13 @@ int ustctl_get_max_subbuf_size(struct lttng_ust_shm_handle *handle,
 int ustctl_get_mmap_read_offset(struct lttng_ust_shm_handle *handle,
                struct lttng_ust_lib_ring_buffer *buf, unsigned long *off)
 {
-       struct channel *chan = handle->shadow_chan;
+       struct channel *chan;
        unsigned long sb_bindex;
 
        if (!handle || !buf || !off)
                return -EINVAL;
 
+       chan = handle->shadow_chan;
        if (chan->backend.config.output != RING_BUFFER_MMAP)
                return -EINVAL;
        sb_bindex = subbuffer_id_get_index(&chan->backend.config,
@@ -791,11 +879,12 @@ int ustctl_get_mmap_read_offset(struct lttng_ust_shm_handle *handle,
 int ustctl_get_subbuf_size(struct lttng_ust_shm_handle *handle,
                struct lttng_ust_lib_ring_buffer *buf, unsigned long *len)
 {
-       struct channel *chan = handle->shadow_chan;
+       struct channel *chan;
 
        if (!handle || !buf || !len)
                return -EINVAL;
 
+       chan = handle->shadow_chan;
        *len = lib_ring_buffer_get_read_data_size(&chan->backend.config, buf,
                handle);
        return 0;
@@ -805,11 +894,12 @@ int ustctl_get_subbuf_size(struct lttng_ust_shm_handle *handle,
 int ustctl_get_padded_subbuf_size(struct lttng_ust_shm_handle *handle,
                struct lttng_ust_lib_ring_buffer *buf, unsigned long *len)
 {
-       struct channel *chan = handle->shadow_chan;
+       struct channel *chan;
 
        if (!handle || !buf || !len)
                return -EINVAL;
 
+       chan = handle->shadow_chan;
        *len = lib_ring_buffer_get_read_data_size(&chan->backend.config, buf,
                handle);
        *len = PAGE_ALIGN(*len);