1 /* Copyright (c) 2007, 2009-2015. The SimGrid Team.
2 * All rights reserved. */
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. */
7 #include "smx_private.h"
8 #include "xbt/sysdep.h"
11 #include "src/surf/xml/platf_private.hpp" // FIXME: KILLME. There must be a better way than mimicking XML here
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_deployment, simix,
14 "Logging specific to SIMIX (deployment)");
16 extern int surf_parse_lineno;
18 void SIMIX_init_application(void)
25 * \brief An application deployer.
27 * Creates the process described in \a file.
28 * \param file a filename of a xml description of the application. This file
31 * \include surfxml.dtd
33 * Here is a small example of such a platform
35 * \include small_deployment.xml
38 void SIMIX_launch_application(const char *file)
40 XBT_ATTRIB_UNUSED int parse_status;
41 xbt_assert(simix_global,
42 "SIMIX_global_init has to be called before SIMIX_launch_application.");
44 SIMIX_init_application();
46 surf_parse_open(file);
48 parse_status = surf_parse();
50 xbt_assert(!parse_status, "Parse error at %s:%d", file,surf_parse_lineno);
53 XBT_ERROR("Unrecoverable error at %s:%d. The full exception stack follows, in case it helps you to diagnose the problem.",
54 file, surf_parse_lineno);
59 // Wrap a main() function into a ActorCodeFactory:
60 static simgrid::simix::ActorCodeFactory toActorCodeFactory(xbt_main_func_t code)
62 return [code](simgrid::xbt::args args) {
63 return simgrid::xbt::wrapMain(code, std::move(args));
68 * \brief Registers a #xbt_main_func_t code in a global table.
70 * Registers a code function in a global table.
71 * This table is then used by #SIMIX_launch_application.
72 * \param name the reference name of the function.
73 * \param code the function
75 void SIMIX_function_register(const char *name, xbt_main_func_t code)
77 xbt_assert(simix_global,
78 "SIMIX_global_init has to be called before SIMIX_function_register.");
79 simix_global->registered_functions[name] = toActorCodeFactory(code);
83 * \brief Registers a #xbt_main_func_t code as default value.
85 * Registers a code function as being the default value. This function will get used by SIMIX_launch_application() when there is no registered function of the requested name in.
86 * \param code the function
88 void SIMIX_function_register_default(xbt_main_func_t code)
90 xbt_assert(simix_global, "SIMIX_global_init has to be called before SIMIX_function_register.");
91 simix_global->default_function = toActorCodeFactory(code);
95 * \brief Gets a #smx_process_t code from the global table.
97 * Gets a code function from the global table. Returns nullptr if there are no function registered with the name.
98 * This table is then used by #SIMIX_launch_application.
99 * \param name the reference name of the function.
100 * \return The #smx_process_t or nullptr.
102 simgrid::simix::ActorCodeFactory& SIMIX_get_actor_code_factory(const char *name)
104 xbt_assert(simix_global,
105 "SIMIX_global_init has to be called before SIMIX_get_actor_code_factory.");
107 auto i = simix_global->registered_functions.find(name);
108 if (i == simix_global->registered_functions.end())
109 return simix_global->default_function;
115 * \brief Bypass the parser, get arguments, and set function to each process
118 void SIMIX_process_set_function(const char *process_host,
119 const char *process_function,
120 xbt_dynar_t arguments,
121 double process_start_time,
122 double process_kill_time)
124 s_sg_platf_process_cbarg_t process;
125 memset(&process,0,sizeof(process));
127 sg_host_t host = sg_host_by_name(process_host);
129 THROWF(arg_error, 0, "Host '%s' unknown", process_host);
130 process.host = sg_host_get_name(host);
132 process.argc = 1 + xbt_dynar_length(arguments);
133 process.argv = (const char**)xbt_new(char *, process.argc + 1);
134 process.argv[0] = xbt_strdup(process_function);
138 xbt_dynar_foreach(arguments, i, arg) {
139 process.argv[i + 1] = xbt_strdup(arg);
141 process.argv[process.argc] = nullptr;
143 // Check we know how to handle this function name:
144 simgrid::simix::ActorCodeFactory& parse_code = SIMIX_get_actor_code_factory(process_function);
145 xbt_assert(parse_code, "Function '%s' unknown", process_function);
147 process.function = process_function;
148 process.host = process_host;
149 process.kill_time = process_kill_time;
150 process.start_time = process_start_time;
151 process.on_failure = SURF_PROCESS_ON_FAILURE_DIE;
152 sg_platf_new_process(&process);