+/* Copyright (c) 2006, 2007, 2008, 2009, 2010, 2011. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "xbt/misc.h"
+#include "xbt/log.h"
+#include "xbt/str.h"
+#include "xbt/dict.h"
+#include "surf/surfxml_parse_private.h"
+#include "surf/surf_private.h"
+
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
+
+/*
+ * Allow the cluster tag to mess with the parsing buffer.
+ * (this will probably become obsolete once the cluster tag do not mess with the parsing callbacks directly)
+ */
+
+/* This buffer is used to store the original buffer before substituting it by out own buffer. Useful for the cluster tag */
+static xbt_dynar_t surfxml_bufferstack_stack = NULL;
+int surfxml_bufferstack_size = 2048;
+
+static char *old_buff = NULL;
+
+unsigned int surfxml_buffer_stack_stack_ptr;
+unsigned int surfxml_buffer_stack_stack[1024];
+
+
+void surfxml_bufferstack_push(int new)
+{
+ if (!new)
+ old_buff = surfxml_bufferstack;
+ else {
+ xbt_dynar_push(surfxml_bufferstack_stack, &surfxml_bufferstack);
+ surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
+ }
+}
+
+void surfxml_bufferstack_pop(int new)
+{
+ if (!new)
+ surfxml_bufferstack = old_buff;
+ else {
+ free(surfxml_bufferstack);
+ xbt_dynar_pop(surfxml_bufferstack_stack, &surfxml_bufferstack);
+ }
+}
+
+/*
+ * Pass arguments to parsing callback as structures to save some time (and allow callbacks to ignore some)
+ */
+
+hostSG_t struct_host = NULL;
+router_t struct_router = NULL;
+cluster_t struct_cluster = NULL;
+peer_t struct_peer = NULL;
+link_t struct_lnk = NULL;
+
+
+/*
+ * Trace related stuff
+ */
+
+xbt_dict_t traces_set_list = NULL;
+xbt_dict_t trace_connect_list_host_avail = NULL;
+xbt_dict_t trace_connect_list_power = NULL;
+xbt_dict_t trace_connect_list_link_avail = NULL;
+xbt_dict_t trace_connect_list_bandwidth = NULL;
+xbt_dict_t trace_connect_list_latency = NULL;
+
+static double trace_periodicity = -1.0;
+static char *trace_file = NULL;
+static char *trace_id = NULL;
+
+static void parse_Stag_trace(void)
+{
+ surf_parse_models_setup(); /* ensure that the models are created after the last <config> tag. See comment in simgrid.dtd */
+ trace_id = xbt_strdup(A_surfxml_trace_id);
+ trace_file = xbt_strdup(A_surfxml_trace_file);
+ surf_parse_get_double(&trace_periodicity, A_surfxml_trace_periodicity);
+}
+
+static void parse_Etag_trace(void)
+{
+ tmgr_trace_t trace;
+ if (!trace_file || strcmp(trace_file, "") != 0) {
+ trace = tmgr_trace_new(trace_file);
+ } else {
+ if (strcmp(surfxml_pcdata, "") == 0)
+ trace = NULL;
+ else
+ trace =
+ tmgr_trace_new_from_string(trace_id, surfxml_pcdata,
+ trace_periodicity);
+ }
+ xbt_dict_set(traces_set_list, trace_id, (void *) trace, NULL);
+ xbt_free(trace_file);
+ trace_file = NULL;
+ xbt_free(trace_id);
+ trace_id = NULL;
+}
+
+static void parse_Stag_trace_connect(void)
+{
+ surf_parse_models_setup(); /* ensure that the models are created after the last <config> tag. See comment in simgrid.dtd */
+
+ xbt_assert(xbt_dict_get_or_null
+ (traces_set_list, A_surfxml_trace_connect_trace),
+ "Cannot connect trace %s to %s: trace unknown",
+ A_surfxml_trace_connect_trace,
+ A_surfxml_trace_connect_element);
+
+ switch (A_surfxml_trace_connect_kind) {
+ case A_surfxml_trace_connect_kind_HOST_AVAIL:
+ xbt_dict_set(trace_connect_list_host_avail,
+ A_surfxml_trace_connect_trace,
+ xbt_strdup(A_surfxml_trace_connect_element), free);
+ break;
+ case A_surfxml_trace_connect_kind_POWER:
+ xbt_dict_set(trace_connect_list_power, A_surfxml_trace_connect_trace,
+ xbt_strdup(A_surfxml_trace_connect_element), free);
+ break;
+ case A_surfxml_trace_connect_kind_LINK_AVAIL:
+ xbt_dict_set(trace_connect_list_link_avail,
+ A_surfxml_trace_connect_trace,
+ xbt_strdup(A_surfxml_trace_connect_element), free);
+ break;
+ case A_surfxml_trace_connect_kind_BANDWIDTH:
+ xbt_dict_set(trace_connect_list_bandwidth,
+ A_surfxml_trace_connect_trace,
+ xbt_strdup(A_surfxml_trace_connect_element), free);
+ break;
+ case A_surfxml_trace_connect_kind_LATENCY:
+ xbt_dict_set(trace_connect_list_latency, A_surfxml_trace_connect_trace,
+ xbt_strdup(A_surfxml_trace_connect_element), free);
+ break;
+ default:
+ xbt_die("Cannot connect trace %s to %s: kind of trace unknown",
+ A_surfxml_trace_connect_trace, A_surfxml_trace_connect_element);
+ break;
+ }
+}
+
+
+/* Init and free parse data */
+
+static void init_data(void)
+{
+ if (!surfxml_bufferstack_stack)
+ surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
+
+ traces_set_list = xbt_dict_new();
+ trace_connect_list_host_avail = xbt_dict_new();
+ trace_connect_list_power = xbt_dict_new();
+ trace_connect_list_link_avail = xbt_dict_new();
+ trace_connect_list_bandwidth = xbt_dict_new();
+ trace_connect_list_latency = xbt_dict_new();
+
+ surfxml_add_callback(STag_surfxml_trace_cb_list, &parse_Stag_trace);
+ surfxml_add_callback(ETag_surfxml_trace_cb_list, &parse_Etag_trace);
+ surfxml_add_callback(STag_surfxml_trace_connect_cb_list,
+ &parse_Stag_trace_connect);
+}
+
+static void free_data(void)
+{
+ xbt_dict_free(&trace_connect_list_host_avail);
+ xbt_dict_free(&trace_connect_list_power);
+ xbt_dict_free(&trace_connect_list_link_avail);
+ xbt_dict_free(&trace_connect_list_bandwidth);
+ xbt_dict_free(&trace_connect_list_latency);
+ xbt_dict_free(&traces_set_list);
+ xbt_dict_free(&random_data_list);
+ xbt_dynar_free(&surfxml_bufferstack_stack);
+}
+
+/* This function acts as a main in the parsing area. */
+void parse_platform_file(const char *file)
+{
+ int parse_status;
+
+
+ surf_parse_reset_callbacks();
+ surf_parse_add_callback_config();
+
+ surfxml_buffer_stack_stack_ptr = 1;
+ surfxml_buffer_stack_stack[0] = 0;
+
+ surf_parse_open(file);
+ init_data();
+ parse_status = surf_parse();
+ free_data();
+ surf_parse_close();
+ xbt_assert(!parse_status, "Parse error in %s", file);
+
+ surf_config_models_create_elms();
+}
+
