1 files changed, 143 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/lib/handler/configurator/access_log.c b/web/server/h2o/libh2o/lib/handler/configurator/access_log.c
new file mode 100644
index 00000000..de638088
--- /dev/null
+++ b/web/server/h2o/libh2o/lib/handler/configurator/access_log.c
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2014 DeNA Co., Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#include "h2o.h"
+#include "h2o/configurator.h"
+
+typedef H2O_VECTOR(h2o_access_log_filehandle_t *) st_h2o_access_log_filehandle_vector_t;
+
+struct st_h2o_access_log_configurator_t {
+    h2o_configurator_t super;
+    st_h2o_access_log_filehandle_vector_t *handles;
+    st_h2o_access_log_filehandle_vector_t _handles_stack[H2O_CONFIGURATOR_NUM_LEVELS + 1];
+};
+
+static int on_config(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node)
+{
+    struct st_h2o_access_log_configurator_t *self = (void *)cmd->configurator;
+    const char *path, *fmt = NULL;
+    int escape = H2O_LOGCONF_ESCAPE_APACHE;
+    h2o_access_log_filehandle_t *fh;
+
+    switch (node->type) {
+    case YOML_TYPE_SCALAR:
+        path = node->data.scalar;
+        break;
+    case YOML_TYPE_MAPPING: {
+        yoml_t *t;
+        /* get path */
+        if ((t = yoml_get(node, "path")) == NULL) {
+            h2o_configurator_errprintf(cmd, node, "could not find mandatory key `path`");
+            return -1;
+        }
+        if (t->type != YOML_TYPE_SCALAR) {
+            h2o_configurator_errprintf(cmd, t, "`path` must be scalar");
+            return -1;
+        }
+        path = t->data.scalar;
+        /* get format */
+        if ((t = yoml_get(node, "format")) != NULL) {
+            if (t->type != YOML_TYPE_SCALAR) {
+                h2o_configurator_errprintf(cmd, t, "`format` must be a scalar");
+                return -1;
+            }
+            fmt = t->data.scalar;
+        }
+        /* get escape */
+        if ((t = yoml_get(node, "escape")) != NULL) {
+            switch (h2o_configurator_get_one_of(cmd, t, "apache,json")) {
+            case 0:
+                escape = H2O_LOGCONF_ESCAPE_APACHE;
+                break;
+            case 1:
+                escape = H2O_LOGCONF_ESCAPE_JSON;
+                break;
+            default:
+                return -1;
+            }
+        }
+    } break;
+    default:
+        h2o_configurator_errprintf(cmd, node, "node must be a scalar or a mapping");
+        return -1;
+    }
+
+    if (!ctx->dry_run) {
+        if ((fh = h2o_access_log_open_handle(path, fmt, escape)) == NULL)
+            return -1;
+        h2o_vector_reserve(NULL, self->handles, self->handles->size + 1);
+        self->handles->entries[self->handles->size++] = fh;
+    }
+
+    return 0;
+}
+
+static int on_config_enter(h2o_configurator_t *_self, h2o_configurator_context_t *ctx, yoml_t *node)
+{
+    struct st_h2o_access_log_configurator_t *self = (void *)_self;
+    size_t i;
+
+    /* push the stack pointer */
+    ++self->handles;
+
+    /* link the handles */
+    memset(self->handles, 0, sizeof(*self->handles));
+    h2o_vector_reserve(NULL, self->handles, self->handles[-1].size + 1);
+    for (i = 0; i != self->handles[-1].size; ++i) {
+        h2o_access_log_filehandle_t *fh = self->handles[-1].entries[i];
+        self->handles[0].entries[self->handles[0].size++] = fh;
+        h2o_mem_addref_shared(fh);
+    }
+
+    return 0;
+}
+
+static int on_config_exit(h2o_configurator_t *_self, h2o_configurator_context_t *ctx, yoml_t *node)
+{
+    struct st_h2o_access_log_configurator_t *self = (void *)_self;
+    size_t i;
+
+    /* register all handles, and decref them */
+    for (i = 0; i != self->handles->size; ++i) {
+        h2o_access_log_filehandle_t *fh = self->handles->entries[i];
+        if (ctx->pathconf != NULL)
+            h2o_access_log_register(ctx->pathconf, fh);
+        h2o_mem_release_shared(fh);
+    }
+    /* free the vector */
+    free(self->handles->entries);
+
+    /* pop the stack pointer */
+    --self->handles;
+
+    return 0;
+}
+
+void h2o_access_log_register_configurator(h2o_globalconf_t *conf)
+{
+    struct st_h2o_access_log_configurator_t *self = (void *)h2o_configurator_create(conf, sizeof(*self));
+
+    self->super.enter = on_config_enter;
+    self->super.exit = on_config_exit;
+    self->handles = self->_handles_stack;
+
+    h2o_configurator_define_command(&self->super, "access-log", H2O_CONFIGURATOR_FLAG_ALL_LEVELS, on_config);
+}