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Kill the XML-level callbacks to AS_open/close and create some at sg_platf level instead
[simgrid.git] / src / surf / surfxml_parseplatf.c
1 /* Copyright (c) 2006, 2007, 2008, 2009, 2010, 2011. The SimGrid Team.
2  * All rights reserved.                                                     */
3
4 /* This program is free software; you can redistribute it and/or modify it
5  * under the terms of the license (GNU LGPL) which comes with this package. */
6
7 #include "xbt/misc.h"
8 #include "xbt/log.h"
9 #include "xbt/str.h"
10 #include "xbt/dict.h"
11 #include "simgrid/platf.h"
12 #include "surf/surfxml_parse_private.h"
13 #include "surf/surf_private.h"
14
15 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
16
17 /*
18  *  Allow the cluster tag to mess with the parsing buffer.
19  * (this will probably become obsolete once the cluster tag do not mess with the parsing callbacks directly)
20  */
21
22 /* This buffer is used to store the original buffer before substituting it by out own buffer. Useful for the cluster tag */
23 static xbt_dynar_t surfxml_bufferstack_stack = NULL;
24 int surfxml_bufferstack_size = 2048;
25
26 static char *old_buff = NULL;
27
28 unsigned int surfxml_buffer_stack_stack_ptr;
29 unsigned int surfxml_buffer_stack_stack[1024];
30
31
32 void surfxml_bufferstack_push(int new)
33 {
34   if (!new)
35     old_buff = surfxml_bufferstack;
36   else {
37     xbt_dynar_push(surfxml_bufferstack_stack, &surfxml_bufferstack);
38     surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
39   }
40 }
41
42 void surfxml_bufferstack_pop(int new)
43 {
44   if (!new)
45     surfxml_bufferstack = old_buff;
46   else {
47     free(surfxml_bufferstack);
48     xbt_dynar_pop(surfxml_bufferstack_stack, &surfxml_bufferstack);
49   }
50 }
51
52 /*
53  * Pass arguments to parsing callback as structures to save some time (and allow callbacks to ignore some)
54  */
55
56 surf_parsing_cluster_arg_t struct_cluster = NULL;
57
58 /*
59  * Trace related stuff
60  */
61
62 xbt_dict_t traces_set_list = NULL;
63 xbt_dict_t trace_connect_list_host_avail = NULL;
64 xbt_dict_t trace_connect_list_power = NULL;
65 xbt_dict_t trace_connect_list_link_avail = NULL;
66 xbt_dict_t trace_connect_list_bandwidth = NULL;
67 xbt_dict_t trace_connect_list_latency = NULL;
68
69 static double trace_periodicity = -1.0;
70 static char *trace_file = NULL;
71 static char *trace_id = NULL;
72
73 static void parse_Stag_trace(void)
74 {
75   trace_id = xbt_strdup(A_surfxml_trace_id);
76   trace_file = xbt_strdup(A_surfxml_trace_file);
77   trace_periodicity = surf_parse_get_double(A_surfxml_trace_periodicity);
78 }
79
80 static void parse_Etag_trace(void)
81 {
82   tmgr_trace_t trace;
83   if (!trace_file || strcmp(trace_file, "") != 0) {
84     trace = tmgr_trace_new(trace_file);
85   } else {
86     if (strcmp(surfxml_pcdata, "") == 0)
87       trace = NULL;
88     else
89       trace =
90           tmgr_trace_new_from_string(trace_id, surfxml_pcdata,
91                                      trace_periodicity);
92   }
93   xbt_dict_set(traces_set_list, trace_id, (void *) trace, NULL);
94   xbt_free(trace_file);
95   trace_file = NULL;
96   xbt_free(trace_id);
97   trace_id = NULL;
98 }
99
100 static void parse_Stag_trace_connect(void)
101 {
102   xbt_assert(xbt_dict_get_or_null
103               (traces_set_list, A_surfxml_trace_connect_trace),
104               "Cannot connect trace %s to %s: trace unknown",
105               A_surfxml_trace_connect_trace,
106               A_surfxml_trace_connect_element);
107
108   switch (A_surfxml_trace_connect_kind) {
109   case A_surfxml_trace_connect_kind_HOST_AVAIL:
110     xbt_dict_set(trace_connect_list_host_avail,
111                  A_surfxml_trace_connect_trace,
112                  xbt_strdup(A_surfxml_trace_connect_element), free);
113     break;
114   case A_surfxml_trace_connect_kind_POWER:
115     xbt_dict_set(trace_connect_list_power, A_surfxml_trace_connect_trace,
116                  xbt_strdup(A_surfxml_trace_connect_element), free);
117     break;
118   case A_surfxml_trace_connect_kind_LINK_AVAIL:
119     xbt_dict_set(trace_connect_list_link_avail,
120                  A_surfxml_trace_connect_trace,
121                  xbt_strdup(A_surfxml_trace_connect_element), free);
122     break;
123   case A_surfxml_trace_connect_kind_BANDWIDTH:
124     xbt_dict_set(trace_connect_list_bandwidth,
125                  A_surfxml_trace_connect_trace,
126                  xbt_strdup(A_surfxml_trace_connect_element), free);
127     break;
128   case A_surfxml_trace_connect_kind_LATENCY:
129     xbt_dict_set(trace_connect_list_latency, A_surfxml_trace_connect_trace,
130                  xbt_strdup(A_surfxml_trace_connect_element), free);
131     break;
132   default:
133     xbt_die("Cannot connect trace %s to %s: kind of trace unknown",
134             A_surfxml_trace_connect_trace, A_surfxml_trace_connect_element);
135     break;
136   }
137 }
138
139 /* Init and free parse data */
140
141 static void init_data(void)
142 {
143   if (!surfxml_bufferstack_stack)
144     surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
145
146   traces_set_list = xbt_dict_new();
147   trace_connect_list_host_avail = xbt_dict_new();
148   trace_connect_list_power = xbt_dict_new();
149   trace_connect_list_link_avail = xbt_dict_new();
150   trace_connect_list_bandwidth = xbt_dict_new();
151   trace_connect_list_latency = xbt_dict_new();
152
153   surfxml_add_callback(STag_surfxml_trace_cb_list, &parse_Stag_trace);
154   surfxml_add_callback(ETag_surfxml_trace_cb_list, &parse_Etag_trace);
155   surfxml_add_callback(STag_surfxml_trace_connect_cb_list,
156              &parse_Stag_trace_connect);
157
158   /* we care about the ASes while parsing the platf. Incredible, isnt it? */
159   sg_platf_ASclose_add_cb(routing_AS_close);
160   sg_platf_ASopen_add_cb(routing_AS_open);
161 }
162
163 static void free_data(void)
164 {
165   xbt_dict_free(&trace_connect_list_host_avail);
166   xbt_dict_free(&trace_connect_list_power);
167   xbt_dict_free(&trace_connect_list_link_avail);
168   xbt_dict_free(&trace_connect_list_bandwidth);
169   xbt_dict_free(&trace_connect_list_latency);
170   xbt_dict_free(&traces_set_list);
171   xbt_dict_free(&random_data_list);
172   xbt_dynar_free(&surfxml_bufferstack_stack);
173 }
174
175 /* This function acts as a main in the parsing area. */
176 void parse_platform_file(const char *file)
177 {
178   int parse_status;
179
180   surf_parse_reset_callbacks();
181
182   /* Register classical callbacks */
183   surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties_XML);
184   surf_parse_add_callback_config();
185
186   surfxml_buffer_stack_stack_ptr = 1;
187   surfxml_buffer_stack_stack[0] = 0;
188
189   surf_parse_open(file);
190   init_data();
191   parse_status = surf_parse();
192   free_data();
193   surf_parse_close();
194   if (parse_status)
195     xbt_die("Parse error in %s", file);
196
197   surf_config_models_create_elms();
198 }
199