1 /* Copyright (c) 2007, 2009-2016. 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. */
10 #include "smx_private.h"
12 #include "xbt/sysdep.h"
15 #include "src/surf/xml/platf_private.hpp" // FIXME: KILLME. There must be a better way than mimicking XML here
17 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_deployment, simix, "Logging specific to SIMIX (deployment)");
19 extern int surf_parse_lineno;
21 void SIMIX_init_application()
28 * \brief An application deployer.
30 * Creates the process described in \a file.
31 * \param file a filename of a xml description of the application. This file
34 * \include surfxml.dtd
36 * Here is a small example of such a platform
38 * \include small_deployment.xml
41 void SIMIX_launch_application(const char *file)
43 XBT_ATTRIB_UNUSED int parse_status;
44 xbt_assert(simix_global, "SIMIX_global_init has to be called before SIMIX_launch_application.");
46 SIMIX_init_application();
48 surf_parse_open(file);
50 parse_status = surf_parse();
52 xbt_assert(!parse_status, "Parse error at %s:%d", file,surf_parse_lineno);
55 XBT_ERROR("Unrecoverable error at %s:%d. The full exception stack follows, in case it helps you to diagnose the problem.",
56 file, surf_parse_lineno);
61 // Wrap a main() function into a ActorCodeFactory:
62 static simgrid::simix::ActorCodeFactory toActorCodeFactory(xbt_main_func_t code)
64 return [code](std::vector<std::string> args) {
65 return simgrid::xbt::wrapMain(code, std::move(args));
70 * \brief Registers a #xbt_main_func_t code in a global table.
72 * Registers a code function in a global table.
73 * This table is then used by #SIMIX_launch_application.
74 * \param name the reference name of the function.
75 * \param code the function
77 void SIMIX_function_register(const char *name, xbt_main_func_t code)
79 xbt_assert(simix_global,
80 "SIMIX_global_init has to be called before SIMIX_function_register.");
81 simix_global->registered_functions[name] = toActorCodeFactory(code);
85 * \brief Registers a #xbt_main_func_t code as default value.
87 * 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.
88 * \param code the function
90 void SIMIX_function_register_default(xbt_main_func_t code)
92 xbt_assert(simix_global, "SIMIX_global_init has to be called before SIMIX_function_register.");
93 simix_global->default_function = toActorCodeFactory(code);
97 * \brief Gets a #smx_actor_t code from the global table.
99 * Gets a code function from the global table. Returns nullptr if there are no function registered with the name.
100 * This table is then used by #SIMIX_launch_application.
101 * \param name the reference name of the function.
102 * \return The #smx_actor_t or nullptr.
104 simgrid::simix::ActorCodeFactory& SIMIX_get_actor_code_factory(const char *name)
106 xbt_assert(simix_global,
107 "SIMIX_global_init has to be called before SIMIX_get_actor_code_factory.");
109 auto i = simix_global->registered_functions.find(name);
110 if (i == simix_global->registered_functions.end())
111 return simix_global->default_function;
117 * \brief Bypass the parser, get arguments, and set function to each process
120 void SIMIX_process_set_function(const char *process_host,
121 const char *process_function,
122 xbt_dynar_t arguments,
123 double process_start_time,
124 double process_kill_time)
126 s_sg_platf_process_cbarg_t process;
127 memset(&process,0,sizeof(process));
129 sg_host_t host = sg_host_by_name(process_host);
131 THROWF(arg_error, 0, "Host '%s' unknown", process_host);
132 process.host = sg_host_get_name(host);
134 process.argc = 1 + xbt_dynar_length(arguments);
135 process.argv = (const char**)xbt_new(char *, process.argc + 1);
136 process.argv[0] = xbt_strdup(process_function);
140 xbt_dynar_foreach(arguments, i, arg) {
141 process.argv[i + 1] = xbt_strdup(arg);
143 process.argv[process.argc] = nullptr;
145 // Check we know how to handle this function name:
146 simgrid::simix::ActorCodeFactory& parse_code = SIMIX_get_actor_code_factory(process_function);
147 xbt_assert(parse_code, "Function '%s' unknown", process_function);
149 process.function = process_function;
150 process.host = process_host;
151 process.kill_time = process_kill_time;
152 process.start_time = process_start_time;
153 process.on_failure = SURF_PROCESS_ON_FAILURE_DIE;
154 sg_platf_new_process(&process);
160 void registerFunction(const char* name, ActorCodeFactory factory)
162 simix_global->registered_functions[name] = std::move(factory);