src.ctf.fs: make ctf_fs_ds_file_info::path an std::string
[babeltrace.git] / src / plugins / ctf / fs-src / fs.cpp
index dba30e83f41980e2e28e4dccaf39c029fb086738..40ef74397f573842700c72fde73cd59c1a8636b6 100644 (file)
@@ -15,6 +15,7 @@
 #include "common/assert.h"
 #include "common/common.h"
 #include "common/uuid.h"
+#include "cpp-common/bt2s/make-unique.hpp"
 
 #include "plugins/common/param-validation/param-validation.h"
 
@@ -280,10 +281,6 @@ static void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace)
         return;
     }
 
-    if (ctf_fs_trace->ds_file_groups) {
-        g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE);
-    }
-
     BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace);
 
     if (ctf_fs_trace->path) {
@@ -309,10 +306,6 @@ void ctf_fs_destroy(struct ctf_fs_component *ctf_fs)
         return;
     }
 
-    if (ctf_fs->port_data) {
-        g_ptr_array_free(ctf_fs->port_data, TRUE);
-    }
-
     delete ctf_fs;
 }
 
@@ -321,36 +314,9 @@ void ctf_fs_component_deleter::operator()(ctf_fs_component *comp)
     ctf_fs_destroy(comp);
 }
 
-static void port_data_destroy(struct ctf_fs_port_data *port_data)
-{
-    if (!port_data) {
-        return;
-    }
-
-    delete port_data;
-}
-
-static void port_data_destroy_notifier(void *data)
-{
-    port_data_destroy((struct ctf_fs_port_data *) data);
-}
-
 ctf_fs_component::UP ctf_fs_component_create(const bt2c::Logger& parentLogger)
 {
-    ctf_fs_component::UP ctf_fs {new ctf_fs_component {parentLogger}};
-
-    ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy_notifier);
-    if (!ctf_fs->port_data) {
-        goto error;
-    }
-
-    goto end;
-
-error:
-    ctf_fs.reset();
-
-end:
-    return ctf_fs;
+    return ctf_fs_component::UP {new ctf_fs_component {parentLogger}};
 }
 
 void ctf_fs_finalize(bt_self_component_source *component)
@@ -397,7 +363,7 @@ bt2c::GCharUP ctf_fs_make_port_name(struct ctf_fs_ds_file_group *ds_file_group)
         BT_ASSERT(ds_file_group->ds_file_infos->len == 1);
         struct ctf_fs_ds_file_info *ds_file_info =
             (struct ctf_fs_ds_file_info *) g_ptr_array_index(ds_file_group->ds_file_infos, 0);
-        g_string_append_printf(name, " | %s", ds_file_info->path->str);
+        g_string_append_printf(name, " | %s", ds_file_info->path.c_str());
     }
 
     return bt2c::GCharUP {g_string_free(name, FALSE)};
@@ -408,7 +374,7 @@ static int create_one_port_for_trace(struct ctf_fs_component *ctf_fs,
                                      bt_self_component_source *self_comp_src)
 {
     int ret = 0;
-    struct ctf_fs_port_data *port_data = NULL;
+    ctf_fs_port_data::UP port_data;
 
     bt2c::GCharUP port_name = ctf_fs_make_port_name(ds_file_group);
     if (!port_name) {
@@ -418,23 +384,22 @@ static int create_one_port_for_trace(struct ctf_fs_component *ctf_fs,
     BT_CPPLOGI_SPEC(ctf_fs->logger, "Creating one port named `{}`", port_name.get());
 
     /* Create output port for this file */
-    port_data = new ctf_fs_port_data;
+    port_data = bt2s::make_unique<ctf_fs_port_data>();
     port_data->ctf_fs = ctf_fs;
     port_data->ds_file_group = ds_file_group;
-    ret = bt_self_component_source_add_output_port(self_comp_src, port_name.get(), port_data, NULL);
+    ret = bt_self_component_source_add_output_port(self_comp_src, port_name.get(), port_data.get(),
+                                                   NULL);
     if (ret) {
         goto error;
     }
 
-    g_ptr_array_add(ctf_fs->port_data, port_data);
-    port_data = NULL;
+    ctf_fs->port_data.emplace_back(std::move(port_data));
     goto end;
 
 error:
     ret = -1;
 
 end:
-    port_data_destroy(port_data);
     return ret;
 }
 
@@ -443,14 +408,10 @@ static int create_ports_for_trace(struct ctf_fs_component *ctf_fs,
                                   bt_self_component_source *self_comp_src)
 {
     int ret = 0;
-    size_t i;
 
     /* Create one output port for each stream file group */
-    for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) {
-        struct ctf_fs_ds_file_group *ds_file_group =
-            (struct ctf_fs_ds_file_group *) g_ptr_array_index(ctf_fs_trace->ds_file_groups, i);
-
-        ret = create_one_port_for_trace(ctf_fs, ds_file_group, self_comp_src);
+    for (const auto& ds_file_group : ctf_fs_trace->ds_file_groups) {
+        ret = create_one_port_for_trace(ctf_fs, ds_file_group.get(), self_comp_src);
         if (ret) {
             BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Cannot create output port.");
             goto end;
@@ -584,9 +545,8 @@ static int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, const
     int64_t stream_instance_id = -1;
     int64_t begin_ns = -1;
     struct ctf_fs_ds_file_group *ds_file_group = NULL;
-    bool add_group = false;
+    ctf_fs_ds_file_group::UP new_ds_file_group;
     int ret;
-    size_t i;
     struct ctf_fs_ds_file *ds_file = NULL;
     struct ctf_fs_ds_file_info *ds_file_info = NULL;
     struct ctf_fs_ds_index *index = NULL;
@@ -670,17 +630,18 @@ static int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, const
          * there's no timestamp to order the file within its
          * group.
          */
-        ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, sc, UINT64_C(-1), index);
+        new_ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, sc, UINT64_C(-1), index);
+
         /* Ownership of index is transferred. */
         index = NULL;
 
-        if (!ds_file_group) {
+        if (!new_ds_file_group) {
             goto error;
         }
 
-        ds_file_group_insert_ds_file_info_sorted(ds_file_group, BT_MOVE_REF(ds_file_info));
-
-        add_group = true;
+        ds_file_group_insert_ds_file_info_sorted(new_ds_file_group.get(),
+                                                 BT_MOVE_REF(ds_file_info));
+        ctf_fs_trace->ds_file_groups.emplace_back(std::move(new_ds_file_group));
         goto end;
     }
 
@@ -688,26 +649,24 @@ static int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, const
     BT_ASSERT(begin_ns != -1);
 
     /* Find an existing stream file group with this ID */
-    for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) {
-        ds_file_group =
-            (struct ctf_fs_ds_file_group *) g_ptr_array_index(ctf_fs_trace->ds_file_groups, i);
-
-        if (ds_file_group->sc == sc && ds_file_group->stream_id == stream_instance_id) {
+    for (const auto& candidate : ctf_fs_trace->ds_file_groups) {
+        if (candidate->sc == sc && candidate->stream_id == stream_instance_id) {
+            ds_file_group = candidate.get();
             break;
         }
-
-        ds_file_group = NULL;
     }
 
     if (!ds_file_group) {
-        ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, sc, stream_instance_id, index);
+        new_ds_file_group =
+            ctf_fs_ds_file_group_create(ctf_fs_trace, sc, stream_instance_id, index);
         /* Ownership of index is transferred. */
         index = NULL;
-        if (!ds_file_group) {
+        if (!new_ds_file_group) {
             goto error;
         }
 
-        add_group = true;
+        ds_file_group = new_ds_file_group.get();
+        ctf_fs_trace->ds_file_groups.emplace_back(std::move(new_ds_file_group));
     } else {
         merge_ctf_fs_ds_indexes(ds_file_group->index, index);
     }
@@ -717,15 +676,9 @@ static int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, const
     goto end;
 
 error:
-    ctf_fs_ds_file_group_destroy(ds_file_group);
-    ds_file_group = NULL;
     ret = -1;
 
 end:
-    if (add_group && ds_file_group) {
-        g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group);
-    }
-
     ctf_fs_ds_file_destroy(ds_file);
     ctf_fs_ds_file_info_destroy(ds_file_info);
 
@@ -896,11 +849,6 @@ static ctf_fs_trace::UP ctf_fs_trace_create(const char *path, const char *name,
 
     ctf_fs_trace->metadata = new ctf_fs_metadata;
     ctf_fs_metadata_init(ctf_fs_trace->metadata);
-    ctf_fs_trace->ds_file_groups =
-        g_ptr_array_new_with_free_func((GDestroyNotify) ctf_fs_ds_file_group_destroy);
-    if (!ctf_fs_trace->ds_file_groups) {
-        goto error;
-    }
 
     ret = ctf_fs_metadata_set_trace_class(selfComp, ctf_fs_trace.get(), clkClsCfg);
     if (ret) {
@@ -1052,7 +1000,7 @@ static unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace
  */
 
 static void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest,
-                                        struct ctf_fs_ds_file_group *src)
+                                        ctf_fs_ds_file_group::UP src)
 {
     guint i;
 
@@ -1075,30 +1023,24 @@ static void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest,
 static int merge_matching_ctf_fs_ds_file_groups(struct ctf_fs_trace *dest_trace,
                                                 ctf_fs_trace::UP src_trace)
 {
-    GPtrArray *dest = dest_trace->ds_file_groups;
-    GPtrArray *src = src_trace->ds_file_groups;
-    guint s_i;
+    std::vector<ctf_fs_ds_file_group::UP>& dest = dest_trace->ds_file_groups;
+    std::vector<ctf_fs_ds_file_group::UP>& src = src_trace->ds_file_groups;
     int ret = 0;
 
     /*
      * Save the initial length of dest: we only want to check against the
      * original elements in the inner loop.
      */
-    const guint dest_len = dest->len;
+    size_t dest_len = dest.size();
 
-    for (s_i = 0; s_i < src->len; s_i++) {
-        struct ctf_fs_ds_file_group *src_group =
-            (struct ctf_fs_ds_file_group *) g_ptr_array_index(src, s_i);
+    for (auto& src_group : src) {
         struct ctf_fs_ds_file_group *dest_group = NULL;
 
         /* A stream instance without ID can't match a stream in the other trace.  */
         if (src_group->stream_id != -1) {
-            guint d_i;
-
             /* Let's search for a matching ds_file_group in the destination.  */
-            for (d_i = 0; d_i < dest_len; d_i++) {
-                struct ctf_fs_ds_file_group *candidate_dest =
-                    (struct ctf_fs_ds_file_group *) g_ptr_array_index(dest, d_i);
+            for (size_t d_i = 0; d_i < dest_len; ++d_i) {
+                ctf_fs_ds_file_group *candidate_dest = dest[d_i].get();
 
                 /* Can't match a stream instance without ID.  */
                 if (candidate_dest->stream_id == -1) {
@@ -1141,19 +1083,22 @@ static int merge_matching_ctf_fs_ds_file_groups(struct ctf_fs_trace *dest_trace,
                 goto end;
             }
 
-            dest_group = ctf_fs_ds_file_group_create(dest_trace, sc, src_group->stream_id, index);
+            auto new_dest_group =
+                ctf_fs_ds_file_group_create(dest_trace, sc, src_group->stream_id, index);
+
             /* Ownership of index is transferred. */
             index = NULL;
-            if (!dest_group) {
+            if (!new_dest_group) {
                 ret = -1;
                 goto end;
             }
 
-            g_ptr_array_add(dest_trace->ds_file_groups, dest_group);
+            dest_group = new_dest_group.get();
+            dest_trace->ds_file_groups.emplace_back(std::move(new_dest_group));
         }
 
         BT_ASSERT(dest_group);
-        merge_ctf_fs_ds_file_groups(dest_group, src_group);
+        merge_ctf_fs_ds_file_groups(dest_group, std::move(src_group));
     }
 
 end:
@@ -1357,18 +1302,13 @@ static int decode_packet_last_event_timestamp(struct ctf_fs_trace *ctf_fs_trace,
 static int fix_index_lttng_event_after_packet_bug(struct ctf_fs_trace *trace)
 {
     int ret = 0;
-    guint ds_file_group_i;
-    GPtrArray *ds_file_groups = trace->ds_file_groups;
 
-    for (ds_file_group_i = 0; ds_file_group_i < ds_file_groups->len; ds_file_group_i++) {
+    for (const auto& ds_file_group : trace->ds_file_groups) {
         guint entry_i;
         struct ctf_clock_class *default_cc;
         struct ctf_fs_ds_index_entry *last_entry;
         struct ctf_fs_ds_index *index;
 
-        struct ctf_fs_ds_file_group *ds_file_group =
-            (struct ctf_fs_ds_file_group *) g_ptr_array_index(ds_file_groups, ds_file_group_i);
-
         BT_ASSERT(ds_file_group);
         index = ds_file_group->index;
 
@@ -1441,15 +1381,10 @@ end:
 static int fix_index_barectf_event_before_packet_bug(struct ctf_fs_trace *trace)
 {
     int ret = 0;
-    guint ds_file_group_i;
-    GPtrArray *ds_file_groups = trace->ds_file_groups;
 
-    for (ds_file_group_i = 0; ds_file_group_i < ds_file_groups->len; ds_file_group_i++) {
+    for (const auto& ds_file_group : trace->ds_file_groups) {
         guint entry_i;
         struct ctf_clock_class *default_cc;
-        ctf_fs_ds_file_group *ds_file_group =
-            (ctf_fs_ds_file_group *) g_ptr_array_index(ds_file_groups, ds_file_group_i);
-
         struct ctf_fs_ds_index *index = ds_file_group->index;
 
         BT_ASSERT(index);
@@ -1513,17 +1448,12 @@ end:
 static int fix_index_lttng_crash_quirk(struct ctf_fs_trace *trace)
 {
     int ret = 0;
-    guint ds_file_group_idx;
-    GPtrArray *ds_file_groups = trace->ds_file_groups;
 
-    for (ds_file_group_idx = 0; ds_file_group_idx < ds_file_groups->len; ds_file_group_idx++) {
+    for (const auto& ds_file_group : trace->ds_file_groups) {
         guint entry_idx;
         struct ctf_clock_class *default_cc;
         struct ctf_fs_ds_index *index;
 
-        ctf_fs_ds_file_group *ds_file_group =
-            (ctf_fs_ds_file_group *) g_ptr_array_index(ds_file_groups, ds_file_group_idx);
-
         BT_ASSERT(ds_file_group);
         index = ds_file_group->index;
 
@@ -1783,20 +1713,18 @@ end:
     return ret;
 }
 
-static gint compare_ds_file_groups_by_first_path(gconstpointer a, gconstpointer b)
+static bool compare_ds_file_groups_by_first_path(const ctf_fs_ds_file_group::UP& ds_file_group_a,
+                                                 const ctf_fs_ds_file_group::UP& ds_file_group_b)
 {
-    ctf_fs_ds_file_group * const *ds_file_group_a = (ctf_fs_ds_file_group **) a;
-    ctf_fs_ds_file_group * const *ds_file_group_b = (ctf_fs_ds_file_group **) b;
-
-    BT_ASSERT((*ds_file_group_a)->ds_file_infos->len > 0);
-    BT_ASSERT((*ds_file_group_b)->ds_file_infos->len > 0);
+    BT_ASSERT(ds_file_group_a->ds_file_infos->len > 0);
+    BT_ASSERT(ds_file_group_b->ds_file_infos->len > 0);
 
     const ctf_fs_ds_file_info *first_ds_file_info_a =
-        (const ctf_fs_ds_file_info *) (*ds_file_group_a)->ds_file_infos->pdata[0];
+        (const ctf_fs_ds_file_info *) ds_file_group_a->ds_file_infos->pdata[0];
     const ctf_fs_ds_file_info *first_ds_file_info_b =
-        (const ctf_fs_ds_file_info *) (*ds_file_group_b)->ds_file_infos->pdata[0];
+        (const ctf_fs_ds_file_info *) ds_file_group_b->ds_file_infos->pdata[0];
 
-    return strcmp(first_ds_file_info_a->path->str, first_ds_file_info_b->path->str);
+    return first_ds_file_info_a->path < first_ds_file_info_b->path;
 }
 
 static gint compare_strings(gconstpointer p_a, gconstpointer p_b)
@@ -1925,7 +1853,8 @@ int ctf_fs_component_create_ctf_fs_trace(struct ctf_fs_component *ctf_fs,
      * Having a deterministic order here can help debugging and
      * testing.
      */
-    g_ptr_array_sort(ctf_fs->trace->ds_file_groups, compare_ds_file_groups_by_first_path);
+    std::sort(ctf_fs->trace->ds_file_groups.begin(), ctf_fs->trace->ds_file_groups.end(),
+              compare_ds_file_groups_by_first_path);
     goto end;
 error:
     ret = -1;
@@ -1955,7 +1884,7 @@ static GString *get_stream_instance_unique_name(struct ctf_fs_ds_file_group *ds_
      */
     BT_ASSERT(ds_file_group->ds_file_infos->len > 0);
     ds_file_info = (ctf_fs_ds_file_info *) g_ptr_array_index(ds_file_group->ds_file_infos, 0);
-    g_string_assign(name, ds_file_info->path->str);
+    g_string_assign(name, ds_file_info->path.c_str());
 
 end:
     return name;
@@ -1967,12 +1896,9 @@ static int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace)
 {
     int ret;
     GString *name = NULL;
-    guint i;
 
-    for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) {
-        ctf_fs_ds_file_group *ds_file_group =
-            (ctf_fs_ds_file_group *) g_ptr_array_index(ctf_fs_trace->ds_file_groups, i);
-        name = get_stream_instance_unique_name(ds_file_group);
+    for (const auto& ds_file_group : ctf_fs_trace->ds_file_groups) {
+        name = get_stream_instance_unique_name(ds_file_group.get());
 
         if (!name) {
             goto error;
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