/* 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 "simgrid_lua.h"
+#include <string.h> // memcpy
-#include <stdio.h>
-#include <lauxlib.h>
-#include <lualib.h>
-#include "msg/msg.h"
-#include "xbt.h"
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(lua, bindings, "Lua Bindings");
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(lua,bindings,"Lua Bindings");
+static lua_State *lua_maestro_state;
#define TASK_MODULE_NAME "simgrid.Task"
#define HOST_MODULE_NAME "simgrid.Host"
-// Surf ( bypass XML )
+// Surf (bypass XML)
#define LINK_MODULE_NAME "simgrid.Link"
#define ROUTE_MODULE_NAME "simgrid.Route"
-#undef BYPASS_MODEL
+#define AS_MODULE_NAME "simgrid.AS"
+#define TRACE_MODULE_NAME "simgrid.Trace"
+
+/**
+ * @brief A chunk of memory.
+ *
+ * TODO replace this by a dynar
+ */
+typedef struct s_buffer {
+ char* data;
+ size_t size;
+ size_t capacity;
+} s_buffer_t, *buffer_t;
+
+static const char* value_tostring(lua_State* L, int index);
+static const char* keyvalue_tostring(lua_State* L, int key_index, int value_index);
+static void stack_dump(const char *msg, lua_State* L);
+static int writer(lua_State* L, const void* source, size_t size, void* userdata);
+static void move_value(lua_State* dst, lua_State* src, const char* name);
+static int l_get_from_father(lua_State* L);
+static lua_State *clone_lua_state(lua_State* L);
+static m_task_t check_task(lua_State *L, int index);
+static void register_c_functions(lua_State *L);
/* ********************************************************************************* */
/* helper functions */
/* ********************************************************************************* */
-static void stackDump (const char *msg, lua_State *L) {
+/**
+ * @brief Returns a string representation of a value in the Lua stack.
+ *
+ * This function is for debugging purposes.
+ * It always returns the same pointer.
+ *
+ * @param L the Lua state
+ * @param index index in the stack
+ * @return a string representation of the value at this index
+ */
+static const char* value_tostring(lua_State* L, int index) {
+
+ static char buff[64];
+
+ switch (lua_type(L, index)) {
+
+ case LUA_TNIL:
+ sprintf(buff, "nil");
+ break;
+
+ case LUA_TNUMBER:
+ sprintf(buff, "%.3f", lua_tonumber(L, index));
+ break;
+
+ case LUA_TBOOLEAN:
+ sprintf(buff, "%s", lua_toboolean(L, index) ? "true" : "false");
+ break;
+
+ case LUA_TSTRING:
+ snprintf(buff, 63, "'%s'", lua_tostring(L, index));
+ break;
+
+ case LUA_TFUNCTION:
+ if (lua_iscfunction(L, index)) {
+ sprintf(buff, "C-function");
+ }
+ else {
+ sprintf(buff, "function");
+ }
+ break;
+
+ case LUA_TTABLE:
+ sprintf(buff, "table(%d)", lua_objlen(L, index));
+ break;
+
+ case LUA_TLIGHTUSERDATA:
+ case LUA_TUSERDATA:
+ sprintf(buff, "userdata(%p)", lua_touserdata(L, index));
+ break;
+
+ case LUA_TTHREAD:
+ sprintf(buff, "thread");
+ break;
+ }
+ return buff;
+}
+
+/**
+ * @brief Returns a string representation of a key-value pair.
+ *
+ * This function is for debugging purposes.
+ * It always returns the same pointer.
+ *
+ * @param L the Lua state
+ * @param key_index index of the key
+ * @param value_index index of the value
+ * @return a string representation of the key-value pair
+ */
+static const char* keyvalue_tostring(lua_State* L, int key_index, int value_index) {
+
+ static char buff[64];
+ /* value_tostring also always returns the same pointer */
+ int len = snprintf(buff, 63, "%s -> ", value_tostring(L, key_index));
+ snprintf(buff + len, 63 - len, "%s", value_tostring(L, value_index));
+ return buff;
+}
+
+/**
+ * @brief Dumps the Lua stack for debugging purposes.
+ * @param msg a message to print
+ * @param L a Lua state
+ */
+static void stack_dump(const char* msg, lua_State* L)
+{
char buff[2048];
- char *p=buff;
+ char* p = buff;
int i;
int top = lua_gettop(L);
+// if (1) return;
+
fflush(stdout);
- p+=sprintf(p,"STACK(top=%d): ",top);
+ p[0] = '\0';
for (i = 1; i <= top; i++) { /* repeat for each level */
- int t = lua_type(L, i);
- switch (t) {
- case LUA_TSTRING: /* strings */
- p+=sprintf(p,"`%s'", lua_tostring(L, i));
+ p += sprintf(p, "%s", value_tostring(L, i));
+ p += sprintf(p, " "); /* put a separator */
+ }
+ XBT_INFO("%s%s", msg, buff);
+}
+
+/**
+ * @brief Writes the specified data into a memory buffer.
+ *
+ * This function is a valid lua_Writer that writes into a memory buffer passed
+ * as userdata.
+ *
+ * @param L a lua state
+ * @param source some data
+ * @param sz number of bytes of data
+ * @param user_data the memory buffer to write
+ */
+static int writer(lua_State* L, const void* source, size_t size, void* userdata) {
+
+ buffer_t buffer = (buffer_t) userdata;
+ while (buffer->capacity < buffer->size + size) {
+ buffer->capacity *= 2;
+ buffer->data = xbt_realloc(buffer->data, buffer->capacity);
+ }
+ memcpy(buffer->data + buffer->size, source, size);
+ buffer->size += size;
+
+ return 0;
+}
+
+/**
+ * @brief Pops a value from the stack of a source state and pushes it on the
+ * stack of another state.
+ *
+ * If the value is a table, its content is copied recursively. To avoid cycles,
+ * a table of previsously visited tables must be present at index 1 of dst.
+ * Its keys are pointers to visited tables in src and its values are the tables
+ * already built.
+ *
+ * TODO: add support of upvalues
+ *
+ * @param src the source state
+ * @param dst the destination state
+ * @param name a name describing the value
+ */
+static void move_value(lua_State* dst, lua_State *src, const char* name) {
+
+ luaL_checkany(src, -1); /* check the value to copy */
+ luaL_checktype(dst, 1, LUA_TTABLE); /* check the presence of a table of
+ previously visited tables */
+
+ XBT_DEBUG("Copying value %s", name);
+
+ stack_dump("src before copying a value (should be ... value): ", src);
+ stack_dump("dst before copying a value (should be visited ...): ", dst);
+
+ switch (lua_type(src, -1)) {
+
+ case LUA_TNIL:
+ lua_pushnil(dst);
break;
- case LUA_TBOOLEAN: /* booleans */
- p+=sprintf(p,lua_toboolean(L, i) ? "true" : "false");
+ case LUA_TNUMBER:
+ lua_pushnumber(dst, lua_tonumber(src, -1));
break;
- case LUA_TNUMBER: /* numbers */
- p+=sprintf(p,"%g", lua_tonumber(L, i));
+ case LUA_TBOOLEAN:
+ lua_pushboolean(dst, lua_toboolean(src, -1));
+ break;
+
+ case LUA_TSTRING:
+ /* no worries about memory: lua_pushstring makes a copy */
+ lua_pushstring(dst, lua_tostring(src, -1));
+ break;
+
+ case LUA_TFUNCTION:
+ /* it's a function that does not exist yet in L2 */
+
+ if (lua_iscfunction(src, -1)) {
+ /* it's a C function: just copy the pointer */
+ XBT_DEBUG("Copying C function '%s'", name);
+ lua_CFunction f = lua_tocfunction(src, -1);
+ lua_pushcfunction(dst, f);
+ }
+ else {
+ /* it's a Lua function: dump it from src */
+ XBT_DEBUG("Dumping Lua function '%s'", name);
+
+ s_buffer_t buffer;
+ buffer.capacity = 64;
+ buffer.size = 0;
+ buffer.data = xbt_new(char, buffer.capacity);
+
+ /* copy the binary chunk from src into a buffer */
+ int error = lua_dump(src, writer, &buffer);
+ xbt_assert(!error, "Failed to dump function '%s' from the source state: error %d",
+ name, error);
+
+ /* load the chunk into dst */
+ error = luaL_loadbuffer(dst, buffer.data, buffer.size, name);
+ xbt_assert(!error, "Failed to load function '%s' from the source state: %s",
+ name, lua_tostring(dst, -1));
+ XBT_DEBUG("Function '%s' successfully dumped from source state.", name);
+ }
break;
case LUA_TTABLE:
- p+=sprintf(p, "Table");
+
+ /* see if this table was already visited */
+ lua_pushlightuserdata(dst, (void*) lua_topointer(src, -1));
+ /* dst: visited ... psrctable */
+ lua_gettable(dst, 1);
+ /* dst: visited ... table/nil */
+ if (lua_istable(dst, -1)) {
+ XBT_DEBUG("Nothing to do: table already visited");
+ /* dst: visited ... table */
+ }
+ else {
+ XBT_DEBUG("First visit of this table");
+ /* dst: visited ... nil */
+ lua_pop(dst, 1);
+ /* dst: visited ... */
+
+ /* first visit: create the new table in dst */
+ lua_newtable(dst);
+ /* dst: visited ... table */
+
+ /* mark the table as visited to avoid infinite recursion */
+ lua_pushlightuserdata(dst, (void*) lua_topointer(src, -1));
+ /* dst: visited ... table psrctable */
+ lua_pushvalue(dst, -2);
+ /* dst: visited ... table psrctable table */
+ lua_settable(dst, 1);
+ /* dst: visited ... table */
+ XBT_DEBUG("Table marked as visited");
+
+ stack_dump("dst after marking the table as visited (should be visited ... table): ", dst);
+
+ /* copy the metatable if any */
+ int has_meta_table = lua_getmetatable(src, -1);
+ /* src: ... table mt? */
+ if (has_meta_table) {
+ XBT_DEBUG("Copying metatable");
+ /* src: ... table mt */
+ move_value(dst, src, "metatable");
+ /* src: ... table
+ dst: visited ... table mt */
+ lua_setmetatable(dst, -2);
+ /* dst: visited ... table */
+ }
+ else {
+ XBT_DEBUG("No metatable");
+ }
+
+ stack_dump("src before traversing the table (should be ... table): ", src);
+ stack_dump("dst before traversing the table (should be visited ... table): ", dst);
+
+ /* traverse the table of src and copy each element */
+ lua_pushnil(src);
+ /* src: ... table nil */
+ while (lua_next(src, -2) != 0) {
+ /* src: ... table key value */
+
+ XBT_DEBUG("Copying table element %s", keyvalue_tostring(src, -2, -1));
+
+ stack_dump("src before copying table element (should be ... table key value): ", src);
+ stack_dump("dst before copying table element (should be visited ... table): ", dst);
+
+ /* copy the key */
+ lua_pushvalue(src, -2);
+ /* src: ... table key value key */
+ XBT_DEBUG("Copying the element key");
+ move_value(dst, src, value_tostring(src, -1));
+ /* src: ... table key value
+ dst: visited ... table key */
+ XBT_DEBUG("Copied the element key");
+
+ /* copy the value */
+ XBT_DEBUG("Copying the element value");
+ move_value(dst, src, value_tostring(src, -1));
+ /* src: ... table key
+ dst: visited ... table key value */
+ XBT_DEBUG("Copied the element value");
+
+ /* set the table element */
+ lua_settable(dst, -3);
+ /* dst: visited ... table */
+
+ /* the key stays on top of src for next iteration */
+ stack_dump("src before next iteration (should be ... table key): ", src);
+ stack_dump("dst before next iteration (should be visited ... table): ", dst);
+ }
+ XBT_DEBUG("Finished traversing the table");
+ }
break;
- default: /* other values */
- p+=sprintf(p, "???");
-/* if ((ptr = luaL_checkudata(L,i,TASK_MODULE_NAME))) {
- p+=sprintf(p,"task");
- } else {
- p+=printf(p,"%s", lua_typename(L, t));
- }*/
+ case LUA_TLIGHTUSERDATA:
+ lua_pushlightuserdata(dst, lua_touserdata(src, -1));
break;
- }
- p+=sprintf(p," "); /* put a separator */
+ case LUA_TUSERDATA:
+ XBT_WARN("Cannot copy a full userdata from the source state.");
+ lua_pushnil(dst);
+ break;
+
+ case LUA_TTHREAD:
+ XBT_WARN("Cannot copy a thread from the source state.");
+ lua_pushnil(dst);
+ break;
}
- INFO2("%s%s",msg,buff);
+
+ /* pop the value from src */
+ lua_pop(src, 1);
+
+ stack_dump("src after copying a value (should be ...): ", src);
+ stack_dump("dst after copying a value (should be visited ... value): ", dst);
+}
+
+/**
+ * @brief Copies a global value from the father state.
+ *
+ * The state L must have a father, i.e. it should have been created by
+ * clone_lua_state().
+ * This function is meant to be an __index metamethod.
+ * Consequently, it assumes that the stack has two elements:
+ * a table (usually the environment of L) and the string key of a value
+ * that does not exist yet in this table. It copies the corresponding global
+ * value from the father state and pushes it on the stack of L.
+ * If the global value does not exist in the father state either, nil is
+ * pushed.
+ *
+ * TODO: make this function thread safe. If the simulation runs in parallel,
+ * several simulated processes may trigger this __index metamethod at the same
+ * time and get globals from maestro.
+ *
+ * @param L the current state
+ * @return number of return values pushed (always 1)
+ */
+static int l_get_from_father(lua_State *L) {
+
+ /* retrieve the father */
+ lua_getfield(L, LUA_REGISTRYINDEX, "simgrid.father_state");
+ lua_State* father = lua_touserdata(L, -1);
+ xbt_assert(father != NULL, "This Lua state has no father");
+ lua_pop(L, 1);
+
+ /* get the global from the father */
+ const char* key = luaL_checkstring(L, 2); /* L: table key */
+ lua_getglobal(father, key); /* father: ... value */
+ XBT_DEBUG("__index of '%s' begins", key);
+
+ /* push the value onto the stack of L */
+ lua_newtable(L); /* L: table key visited */
+ lua_insert(L, 1); /* L: visited table key */
+ move_value(L, father, key); /* father: ...
+ L: visited table key value */
+ lua_remove(L, 1); /* L: table key value */
+
+ /* prepare the return value of __index */
+ lua_pushvalue(L, -1); /* L: table key value value */
+ lua_insert(L, 1); /* L: value table key value */
+
+ /* save the copied value in the table for subsequent accesses */
+ lua_settable(L, -3); /* L: value table */
+ lua_remove(L, 2); /* L: value */
+
+ XBT_DEBUG("__index of '%s' returns %s", key, value_tostring(L, -1));
+
+ return 1;
+}
+
+/**
+ * @brief Creates a new Lua state and get its environment from an existing state.
+ *
+ * The state created is independent from the existing one and has its own
+ * copies of global variables and functions.
+ * However, the global variables and functions are not copied right now from
+ * the original state; they are copied only the first time they are accessed.
+ * This behavior saves time and memory, and is okay for Simgrid's needs.
+ *
+ * @param father an existing state
+ * @return the state created
+ */
+static lua_State* clone_lua_state(lua_State *father) {
+
+ /* create the new state */
+ lua_State *L = luaL_newstate();
+
+ /* set its environment:
+ * - create a table newenv
+ * - create a metatable mt
+ * - set mt.__index = a function that copies the global from the father state
+ * - set mt as the metatable of newenv
+ * - set newenv as the environment of the new state
+ */
+ lua_pushthread(L); /* thread */
+ lua_newtable(L); /* thread newenv */
+ lua_newtable(L); /* thread newenv mt */
+ lua_pushcfunction(L, l_get_from_father); /* thread newenv mt f */
+ lua_setfield(L, -2, "__index"); /* thread newenv mt */
+ lua_setmetatable(L, -2); /* thread newenv */
+ lua_setfenv(L, -2); /* thread */
+ lua_pop(L, 1); /* -- */
+
+ /* open the standard libs (theoretically, this is not necessary) */
+ luaL_openlibs(L);
+
+ /* put a pointer to the father */
+ lua_pushlightuserdata(L, father);
+ lua_setfield(L, LUA_REGISTRYINDEX, "simgrid.father_state");
+
+ XBT_DEBUG("New state created");
+
+ return L;
}
-/** @brief ensures that a userdata on the stack is a task and returns the pointer inside the userdata */
-static m_task_t checkTask (lua_State *L,int index) {
- m_task_t *pi,tk;
- luaL_checktype(L,index,LUA_TTABLE);
- lua_getfield(L,index,"__simgrid_task");
- pi = (m_task_t*)luaL_checkudata(L,-1,TASK_MODULE_NAME);
- if(pi == NULL)
- luaL_typerror(L,index,TASK_MODULE_NAME);
+/**
+ * @brief Ensures that a userdata on the stack is a task
+ * and returns the pointer inside the userdata.
+ * @param L a Lua state
+ * @param index an index in the Lua stack
+ * @return the task at this index
+ */
+static m_task_t checkTask(lua_State * L, int index)
+{
+ m_task_t *pi, tk;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "__simgrid_task");
+ pi = (m_task_t *) luaL_checkudata(L, -1, TASK_MODULE_NAME);
+ if (pi == NULL)
+ luaL_typerror(L, index, TASK_MODULE_NAME);
tk = *pi;
- if(!tk)
- luaL_error(L,"null Task");
- lua_pop(L,1);
- return tk;
+ if (!tk)
+ luaL_error(L, "null Task");
+ lua_pop(L, 1);
+ return tk;
}
+
/* ********************************************************************************* */
/* wrapper functions */
/* ********************************************************************************* */
/* * * *
* * Constructors * *
* * * */
+
/**
- * Construct an new task with the specified processing amount and amount
+ * @brief Constructs a new task with the specified processing amount and amount
* of data needed.
*
* @param name Task's name
* If 0, then it cannot be transfered with the get() and put() methods.
* This value has to be >= 0.
*/
-static int Task_new(lua_State* L) {
- const char *name=luaL_checkstring(L,1);
- int comp_size = luaL_checkint(L,2);
- int msg_size = luaL_checkint(L,3);
- INFO0("Creating task");
- m_task_t msg_task = MSG_task_create(name,comp_size,msg_size,NULL);
- lua_newtable (L); /* create a table, put the userdata on top of it */
- m_task_t *lua_task = (m_task_t*)lua_newuserdata(L,sizeof(m_task_t));
- *lua_task = msg_task;
- luaL_getmetatable(L,TASK_MODULE_NAME);
- lua_setmetatable(L,-2);
- lua_setfield (L, -2, "__simgrid_task"); /* put the userdata as field of the table */
- /* remove the args from the stack */
- lua_remove(L,1);
- lua_remove(L,1);
- lua_remove(L,1);
- return 1;
-}
-
-static int Task_get_name(lua_State *L) {
- m_task_t tk = checkTask(L,-1);
- lua_pushstring(L,MSG_task_get_name(tk));
+static int Task_new(lua_State * L)
+{
+ XBT_DEBUG("Task new...");
+ const char *name = luaL_checkstring(L, 1);
+ int comp_size = luaL_checkint(L, 2);
+ int msg_size = luaL_checkint(L, 3);
+ m_task_t msg_task = MSG_task_create(name, comp_size, msg_size, NULL);
+ lua_newtable(L); /* create a table, put the userdata on top of it */
+ m_task_t *lua_task = (m_task_t *) lua_newuserdata(L, sizeof(m_task_t));
+ *lua_task = msg_task;
+ luaL_getmetatable(L, TASK_MODULE_NAME);
+ lua_setmetatable(L, -2);
+ lua_setfield(L, -2, "__simgrid_task"); /* put the userdata as field of the table */
+ /* remove the args from the stack */
+ lua_remove(L, 1);
+ lua_remove(L, 1);
+ lua_remove(L, 1);
+ return 1;
+}
+
+static int Task_get_name(lua_State * L)
+{
+ m_task_t tk = checkTask(L, -1);
+ lua_pushstring(L, MSG_task_get_name(tk));
return 1;
}
-static int Task_computation_duration(lua_State *L){
- m_task_t tk = checkTask(L,-1);
- lua_pushnumber(L,MSG_task_get_compute_duration (tk));
+static int Task_computation_duration(lua_State * L)
+{
+ m_task_t tk = checkTask(L, -1);
+ lua_pushnumber(L, MSG_task_get_compute_duration(tk));
return 1;
}
-static int Task_execute(lua_State *L){
- m_task_t tk = checkTask(L,-1);
+static int Task_execute(lua_State * L)
+{
+ m_task_t tk = checkTask(L, -1);
int res = MSG_task_execute(tk);
- lua_pushnumber(L,res);
+ lua_pushnumber(L, res);
return 1;
}
-static int Task_destroy(lua_State *L) {
- m_task_t tk = checkTask(L,-1);
+static int Task_destroy(lua_State * L)
+{
+ m_task_t tk = checkTask(L, -1);
int res = MSG_task_destroy(tk);
- lua_pushnumber(L,res);
+ lua_pushnumber(L, res);
return 1;
}
-static int Task_send(lua_State *L) {
+static int Task_send(lua_State * L)
+{
//stackDump("send ",L);
- m_task_t tk = checkTask(L,-2);
- const char *mailbox = luaL_checkstring(L,-1);
- lua_pop(L,1); // remove the string so that the task is on top of it
- MSG_task_set_data(tk,L); // Copy my stack into the task, so that the receiver can copy the lua task directly
- MSG_error_t res = MSG_task_send(tk,mailbox);
- while (MSG_task_get_data(tk)!=NULL) // Don't mess up with my stack: the receiver didn't copy the data yet
- MSG_process_sleep(0); // yield
-
- if (res != MSG_OK) switch(res) {
- case MSG_TIMEOUT :
- ERROR0("MSG_task_send failed : Timeout");
+ m_task_t tk = checkTask(L, 1);
+ const char *mailbox = luaL_checkstring(L, 2);
+ lua_pop(L, 1); // remove the string so that the task is on top of it
+ MSG_task_set_data(tk, L); // Copy my stack into the task, so that the receiver can copy the lua task directly
+ MSG_error_t res = MSG_task_send(tk, mailbox);
+ while (MSG_task_get_data(tk) != NULL) // Don't mess up with my stack: the receiver didn't copy the data yet
+ MSG_process_sleep(0); // yield
+
+ if (res != MSG_OK)
+ switch (res) {
+ case MSG_TIMEOUT:
+ XBT_DEBUG("MSG_task_send failed : Timeout");
break;
- case MSG_TRANSFER_FAILURE :
- ERROR0("MSG_task_send failed : Transfer Failure");
+ case MSG_TRANSFER_FAILURE:
+ XBT_DEBUG("MSG_task_send failed : Transfer Failure");
break;
- case MSG_HOST_FAILURE :
- ERROR0("MSG_task_send failed : Host Failure ");
+ case MSG_HOST_FAILURE:
+ XBT_DEBUG("MSG_task_send failed : Host Failure ");
break;
- default :
- ERROR0("MSG_task_send failed : Unexpected error , please report this bug");
+ default:
+ XBT_ERROR
+ ("MSG_task_send failed : Unexpected error , please report this bug");
break;
}
return 0;
}
-static int Task_recv(lua_State *L) {
+static int Task_recv_with_timeout(lua_State *L)
+{
m_task_t tk = NULL;
- const char *mailbox = luaL_checkstring(L,-1);
- MSG_error_t res = MSG_task_receive(&tk,mailbox);
-
- lua_State *sender_stack = MSG_task_get_data(tk);
- lua_xmove(sender_stack,L,1); // copy the data directly from sender's stack
- MSG_task_set_data(tk,NULL);
-
- if(res != MSG_OK) switch(res){
- case MSG_TIMEOUT :
- ERROR0("MSG_task_receive failed : Timeout");
- break;
- case MSG_TRANSFER_FAILURE :
- ERROR0("MSG_task_receive failed : Transfer Failure");
- break;
- case MSG_HOST_FAILURE :
- ERROR0("MSG_task_receive failed : Host Failure ");
- break;
- default :
- ERROR0("MSG_task_receive failed : Unexpected error , please report this bug");
- break;
- }
-
+ const char *mailbox = luaL_checkstring(L, -2);
+ int timeout = luaL_checknumber(L, -1);
+ MSG_error_t res = MSG_task_receive_with_timeout(&tk, mailbox, timeout);
+
+ if (res == MSG_OK) {
+ lua_State *sender_stack = MSG_task_get_data(tk);
+ lua_xmove(sender_stack, L, 1); // copy the data directly from sender's stack
+ MSG_task_set_data(tk, NULL);
+ }
+ else {
+ switch (res) {
+ case MSG_TIMEOUT:
+ XBT_DEBUG("MSG_task_receive failed : Timeout");
+ break;
+ case MSG_TRANSFER_FAILURE:
+ XBT_DEBUG("MSG_task_receive failed : Transfer Failure");
+ break;
+ case MSG_HOST_FAILURE:
+ XBT_DEBUG("MSG_task_receive failed : Host Failure ");
+ break;
+ default:
+ XBT_ERROR("MSG_task_receive failed : Unexpected error , please report this bug");
+ break;
+ }
+ lua_pushnil(L);
+ }
return 1;
}
+static int Task_recv(lua_State * L)
+{
+ lua_pushnumber(L, -1.0);
+ return Task_recv_with_timeout(L);
+}
+
static const luaL_reg Task_methods[] = {
- {"new", Task_new},
- {"name", Task_get_name},
- {"computation_duration", Task_computation_duration},
- {"execute", Task_execute},
- {"destroy", Task_destroy},
- {"send", Task_send},
- {"recv", Task_recv},
- {0,0}
+ {"new", Task_new},
+ {"name", Task_get_name},
+ {"computation_duration", Task_computation_duration},
+ {"execute", Task_execute},
+ {"destroy", Task_destroy},
+ {"send", Task_send},
+ {"recv", Task_recv},
+ {"recv_timeout", Task_recv_with_timeout},
+ {NULL, NULL}
};
-static int Task_gc(lua_State *L) {
- m_task_t tk=checkTask(L,-1);
- if (tk) MSG_task_destroy(tk);
+
+static int Task_gc(lua_State * L)
+{
+ m_task_t tk = checkTask(L, -1);
+ if (tk)
+ MSG_task_destroy(tk);
return 0;
}
-static int Task_tostring(lua_State *L) {
- lua_pushfstring(L, "Task :%p",lua_touserdata(L,1));
+static int Task_tostring(lua_State * L)
+{
+ lua_pushfstring(L, "Task :%p", lua_touserdata(L, 1));
return 1;
}
static const luaL_reg Task_meta[] = {
- {"__gc", Task_gc},
- {"__tostring", Task_tostring},
- {0,0}
+ {"__gc", Task_gc},
+ {"__tostring", Task_tostring},
+ {NULL, NULL}
};
/**
* Host
*/
-static m_host_t checkHost (lua_State *L,int index) {
- m_host_t *pi,ht;
- luaL_checktype(L,index,LUA_TTABLE);
- lua_getfield(L,index,"__simgrid_host");
- pi = (m_host_t*)luaL_checkudata(L,-1,HOST_MODULE_NAME);
- if(pi == NULL)
- luaL_typerror(L,index,HOST_MODULE_NAME);
+static m_host_t checkHost(lua_State * L, int index)
+{
+ m_host_t *pi, ht;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "__simgrid_host");
+ pi = (m_host_t *) luaL_checkudata(L, -1, HOST_MODULE_NAME);
+ if (pi == NULL)
+ luaL_typerror(L, index, HOST_MODULE_NAME);
ht = *pi;
- if(!ht)
- luaL_error(L,"null Host");
- lua_pop(L,1);
- return ht;
-}
-
-static int Host_get_by_name(lua_State *L)
-{
- const char *name=luaL_checkstring(L,1);
- DEBUG0("Getting Host from name...");
- m_host_t msg_host = MSG_get_host_by_name(name);
- if (!msg_host)
- {
- luaL_error(L,"null Host : MSG_get_host_by_name failled");
- }
- lua_newtable (L); /* create a table, put the userdata on top of it */
- m_host_t *lua_host = (m_host_t*)lua_newuserdata(L,sizeof(m_host_t));
- *lua_host = msg_host;
- luaL_getmetatable(L,HOST_MODULE_NAME);
- lua_setmetatable(L,-2);
- lua_setfield (L, -2, "__simgrid_host"); /* put the userdata as field of the table */
- /* remove the args from the stack */
- lua_remove(L,1);
- return 1;
-}
-
-
-static int Host_get_name(lua_State *L) {
- m_host_t ht = checkHost(L,-1);
- lua_pushstring(L,MSG_host_get_name(ht));
+ if (!ht)
+ luaL_error(L, "null Host");
+ lua_pop(L, 1);
+ return ht;
+}
+
+static int Host_get_by_name(lua_State * L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ XBT_DEBUG("Getting Host from name...");
+ m_host_t msg_host = MSG_get_host_by_name(name);
+ if (!msg_host) {
+ luaL_error(L, "null Host : MSG_get_host_by_name failed");
+ }
+ lua_newtable(L); /* create a table, put the userdata on top of it */
+ m_host_t *lua_host = (m_host_t *) lua_newuserdata(L, sizeof(m_host_t));
+ *lua_host = msg_host;
+ luaL_getmetatable(L, HOST_MODULE_NAME);
+ lua_setmetatable(L, -2);
+ lua_setfield(L, -2, "__simgrid_host"); /* put the userdata as field of the table */
+ /* remove the args from the stack */
+ lua_remove(L, 1);
return 1;
}
-static int Host_number(lua_State *L) {
- lua_pushnumber(L,MSG_get_host_number());
+static int Host_get_name(lua_State * L)
+{
+ m_host_t ht = checkHost(L, -1);
+ lua_pushstring(L, MSG_host_get_name(ht));
return 1;
}
-static int Host_at(lua_State *L)
-{
- int index = luaL_checkinteger(L,1);
- m_host_t host = MSG_get_host_table()[index-1]; // lua indexing start by 1 (lua[1] <=> C[0])
- lua_newtable (L); /* create a table, put the userdata on top of it */
- m_host_t *lua_host = (m_host_t*)lua_newuserdata(L,sizeof(m_host_t));
- *lua_host = host;
- luaL_getmetatable(L,HOST_MODULE_NAME);
- lua_setmetatable(L,-2);
- lua_setfield (L, -2, "__simgrid_host"); /* put the userdata as field of the table */
- return 1;
-
-}
-
-/*****************************************************************************************
- * BYPASS XML SURF Methods *
- ***************************
- ***************************
-******************************************************************************************/
-#include "surf/surfxml_parse.h" /* to override surf_parse and bypass the parser */
-#include "surf/surf_private.h"
-typedef struct t_host_attr
-{
- //platform attribute
- // Mandatory attributes
- const char* id;
- double power_peak;
- // Optional attributes
- double power_scale;
- const char *power_trace;
- int state_initial;
- const char *state_trace;
- //deployment attribute
- const char* function;
- xbt_dynar_t args_list;
-}host_attr,*p_host_attr;
-
-typedef struct t_link_attr
-{
- const char* id;
- double bandwidth;
- double latency;
-}link_attr,*p_link_attr;
-
-typedef struct t_route_attr
-{
- const char *src_id;
- const char *dest_id;
- xbt_dynar_t links_id;
-
-}route_attr,*p_route_attr;
-
-//using xbt_dynar_t :
-static xbt_dynar_t host_list_d ;
-static xbt_dynar_t link_list_d ;
-static xbt_dynar_t route_list_d ;
-
-
-//create resource
-
-/*FIXME : still have to use a dictionary as argument make it possible to
-consider some arguments as optional and removes the importance of the
-parameter order */
-
-static void create_host(const char* id,double power_peak,double power_sc,
- const char* power_tr,int state_init,
- const char* state_tr)
-{
-
- double power_scale = 1.0;
- tmgr_trace_t power_trace = NULL;
- e_surf_resource_state_t state_initial;
- tmgr_trace_t state_trace;
- if(power_sc) // !=0
- power_scale = power_sc;
- if (state_init == 1)
- state_initial = SURF_RESOURCE_ON;
- else
- state_init = SURF_RESOURCE_OFF;
- if(power_tr)
- power_trace = tmgr_trace_new(power_tr);
- else
- power_trace = tmgr_trace_new("");
- if(state_tr)
- state_trace = tmgr_trace_new(state_tr);
- else
- state_trace = tmgr_trace_new("");
- current_property_set = xbt_dict_new();
- surf_host_create_resource(xbt_strdup(id), power_peak, power_scale,
- power_trace, state_initial, state_trace, current_property_set);
-
-}
-
-static int Host_new(lua_State *L)
-{
-
- if(xbt_dynar_is_empty(host_list_d))
- host_list_d = xbt_dynar_new(sizeof(p_host_attr), &xbt_free_ref);
-
- p_host_attr host;
- const char * id;
- const char *power_trace;
- const char *state_trace;
- double power,power_scale;
- int state_initial;
- //get values from the table passed as argument
- if (lua_istable(L,-1)) {
-
- // get Id Value
- lua_pushstring(L,"id");
- lua_gettable(L, -2 );
- id = lua_tostring(L,-1);
- lua_pop(L,1);
-
- // get power value
- lua_pushstring(L,"power");
- lua_gettable(L, -2 );
- power = lua_tonumber(L,-1);
- lua_pop(L,1);
-
- //get power_scale
- lua_pushstring(L,"power_scale");
- lua_gettable(L, -2 );
- power_scale = lua_tonumber(L,-1);
- lua_pop(L,1);
-
- //get power_trace
- lua_pushstring(L,"power_trace");
- lua_gettable(L, -2 );
- power_trace = lua_tostring(L,-1);
- lua_pop(L,1);
-
- //get state initial
- lua_pushstring(L,"state_initial");
- lua_gettable(L, -2 );
- state_initial = lua_tonumber(L,-1);
- lua_pop(L,1);
-
- //get trace state
- lua_pushstring(L,"state_trace");
- lua_gettable(L, -2 );
- state_trace = lua_tostring(L,-1);
- lua_pop(L,1);
-
- } else {
- ERROR0("Bad Arguments to create host, Should be a table with named arguments");
- return -1;
- }
+static int Host_number(lua_State * L)
+{
+ lua_pushnumber(L, MSG_get_host_number());
+ return 1;
+}
+
+static int Host_at(lua_State * L)
+{
+ int index = luaL_checkinteger(L, 1);
+ m_host_t host = MSG_get_host_table()[index - 1]; // lua indexing start by 1 (lua[1] <=> C[0])
+ lua_newtable(L); /* create a table, put the userdata on top of it */
+ m_host_t *lua_host = (m_host_t *) lua_newuserdata(L, sizeof(m_host_t));
+ *lua_host = host;
+ luaL_getmetatable(L, HOST_MODULE_NAME);
+ lua_setmetatable(L, -2);
+ lua_setfield(L, -2, "__simgrid_host"); /* put the userdata as field of the table */
+ return 1;
- host = malloc(sizeof(host_attr));
- host->id = id;
- host->power_peak = power;
- host->power_scale = power_scale;
- host->power_trace = power_trace;
- host->state_initial = state_initial;
- host->state_trace = state_trace;
- host->function = NULL;
- xbt_dynar_push(host_list_d, &host);
-
- return 0;
-
-}
-
-
-static int Link_new(lua_State *L) // (id,bandwidth,latency)
-{
- if(xbt_dynar_is_empty(link_list_d))
- link_list_d = xbt_dynar_new(sizeof(p_link_attr), &xbt_free_ref);
-
- const char* id;
- double bandwidth,latency;
- //get values from the table passed as argument
- if (lua_istable(L,-1)) {
- // get Id Value
- lua_pushstring(L,"id");
- lua_gettable(L, -2 );
- id = lua_tostring(L,-1);
- lua_pop(L,1);
-
- // get bandwidth value
- lua_pushstring(L,"bandwidth");
- lua_gettable(L, -2 );
- bandwidth = lua_tonumber(L,-1);
- lua_pop(L,1);
-
- //get latency value
- lua_pushstring(L,"latency");
- lua_gettable(L, -2 );
- latency = lua_tonumber(L,-1);
- lua_pop(L,1);
-
- } else {
- ERROR0("Bad Arguments to create link, Should be a table with named arguments");
- return -1;
- }
-
- p_link_attr link = malloc(sizeof(link_attr));
- link->id = id;
- link->bandwidth = bandwidth;
- link->latency = latency;
- xbt_dynar_push(link_list_d,&link);
- return 0;
-}
-
-static int Route_new(lua_State *L) // (src_id,dest_id,links_number,link_table)
-{
- if(xbt_dynar_is_empty(route_list_d))
- route_list_d = xbt_dynar_new(sizeof(p_route_attr), &xbt_free_ref);
- int i;
- const char * link_id;
- p_route_attr route = malloc(sizeof(route_attr));
- route->src_id = luaL_checkstring(L,1);
- route->dest_id = luaL_checkstring(L,2);
- route->links_id = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
- lua_pushnil(L);
- while (lua_next(L,3) != 0) {
- link_id = lua_tostring(L, -1);
- xbt_dynar_push(route->links_id, &link_id);
- DEBUG2("index = %f , Link_id = %s \n",lua_tonumber(L, -2),lua_tostring(L, -1));
- lua_pop(L, 1);
- }
- lua_pop(L, 1);
-
- //add route to platform's route list
- xbt_dynar_push(route_list_d,&route);
- return 0;
-}
-
-static int Host_set_function(lua_State *L) //(host,function,nb_args,list_args)
-{
- // look for the index of host in host_list
- const char *host_id = luaL_checkstring(L,1);
- const char* argument;
- unsigned int i;
- p_host_attr p_host;
-
- xbt_dynar_foreach(host_list_d,i,p_host)
- {
- if(p_host->id == host_id)
- {
- p_host->function = luaL_checkstring(L,2);
- p_host->args_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
- // fill the args list
- lua_pushnil(L);
- int j = 0;
- while (lua_next(L,3) != 0) {
- argument = lua_tostring(L, -1);
- xbt_dynar_push(p_host->args_list, &argument);
- DEBUG2("index = %f , Arg_id = %s \n",lua_tonumber(L, -2),lua_tostring(L, -1));
- j++;
- lua_pop(L, 1);
- }
- lua_pop(L, 1);
- return 0;
- }
- }
- ERROR1("Host : %s Not Fount !!",host_id);
- return 1;
}
-/*
- * surf parse bypass platform
- */
-static int surf_parse_bypass_platform()
+static int Host_self(lua_State * L)
+{
+ m_host_t host = MSG_host_self();
+ lua_newtable(L);
+ m_host_t *lua_host =(m_host_t *)lua_newuserdata(L,sizeof(m_host_t));
+ *lua_host = host;
+ luaL_getmetatable(L, HOST_MODULE_NAME);
+ lua_setmetatable(L, -2);
+ lua_setfield(L, -2, "__simgrid_host");
+ return 1;
+}
+
+static int Host_get_property_value(lua_State * L)
+{
+ m_host_t ht = checkHost(L, -2);
+ const char *prop = luaL_checkstring(L, -1);
+ lua_pushstring(L,MSG_host_get_property_value(ht,prop));
+ return 1;
+}
+
+static int Host_sleep(lua_State *L)
{
- char buffer[22];
- unsigned int i,j;
- char* link_id;
+ int time = luaL_checknumber(L, -1);
+ MSG_process_sleep(time);
+ return 1;
+}
- p_host_attr p_host;
- p_link_attr p_link;
- p_route_attr p_route;
+static int Host_destroy(lua_State *L)
+{
+ m_host_t ht = checkHost(L, -1);
+ __MSG_host_destroy(ht);
+ return 1;
+}
- static int AX_ptr = 0;
- static int surfxml_bufferstack_size = 2048;
+/* ********************************************************************************* */
+/* lua_stub_generator functions */
+/* ********************************************************************************* */
- /* FIXME allocating memory for the buffer, I think 2kB should be enough */
- surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
- /* <platform> */
- SURFXML_BUFFER_SET(platform_version, "2");
-#ifndef BYPASS_CPU
- SURFXML_START_TAG(platform);
-#endif
+xbt_dict_t process_function_set;
+xbt_dynar_t process_list;
+xbt_dict_t machine_set;
+static s_process_t process;
- // Add Hosts
- xbt_dynar_foreach(host_list_d,i,p_host)
- {
-
-#ifdef BYPASS_MODEL
- INFO0("Bypass_Cpu");
- create_host(p_host->id,p_host->power,p_host->power_scale,p_host->power_trace,
- p_host->state_initial,p_host->state_trace);
-#else
-
- SURFXML_BUFFER_SET(host_id,p_host->id);
- sprintf(buffer,"%f",p_host->power_peak);
- SURFXML_BUFFER_SET(host_power,buffer);
- SURFXML_BUFFER_SET(host_availability, "1.0");
- SURFXML_BUFFER_SET(host_availability_file, "");
- A_surfxml_host_state = A_surfxml_host_state_ON;
- SURFXML_BUFFER_SET(host_state_file, "");
- SURFXML_BUFFER_SET(host_interference_send, "1.0");
- SURFXML_BUFFER_SET(host_interference_recv, "1.0");
- SURFXML_BUFFER_SET(host_interference_send_recv, "1.0");
- SURFXML_BUFFER_SET(host_max_outgoing_rate, "-1.0");
- SURFXML_START_TAG(host);
- SURFXML_END_TAG(host);
-#endif
- }
-
- //add Links
- INFO0("Start Adding Links");
- xbt_dynar_foreach(link_list_d,i,p_link)
- {
-#ifdef BYPASS_MODEL
-
- INFO0("Bypass_Network");
- surf_link_create_resouce((char*)p_link->id,p_link->bandwidth,p_link->latency);
-#else
-
- SURFXML_BUFFER_SET(link_id,p_link->id);
- sprintf(buffer,"%f",p_link->bandwidth);
- SURFXML_BUFFER_SET(link_bandwidth,buffer);
- SURFXML_BUFFER_SET(link_bandwidth_file, "");
- sprintf(buffer,"%f",p_link->latency);
- SURFXML_BUFFER_SET(link_latency,buffer);
- SURFXML_BUFFER_SET(link_latency_file, "");
- A_surfxml_link_state = A_surfxml_link_state_ON;
- SURFXML_BUFFER_SET(link_state_file, "");
- A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
- SURFXML_START_TAG(link);
- SURFXML_END_TAG(link);
+void s_process_free(void *process)
+{
+ s_process_t *p = (s_process_t *) process;
+ int i;
+ for (i = 0; i < p->argc; i++)
+ free(p->argv[i]);
+ free(p->argv);
+ free(p->host);
+}
+
+static int gras_add_process_function(lua_State * L)
+{
+ const char *arg;
+ const char *process_host = luaL_checkstring(L, 1);
+ const char *process_function = luaL_checkstring(L, 2);
+
+ if (xbt_dict_is_empty(machine_set)
+ || xbt_dict_is_empty(process_function_set)
+ || xbt_dynar_is_empty(process_list)) {
+ process_function_set = xbt_dict_new();
+ process_list = xbt_dynar_new(sizeof(s_process_t), s_process_free);
+ machine_set = xbt_dict_new();
+ }
+
+ xbt_dict_set(machine_set, process_host, NULL, NULL);
+ xbt_dict_set(process_function_set, process_function, NULL, NULL);
+
+ process.argc = 1;
+ process.argv = xbt_new(char *, 1);
+ process.argv[0] = xbt_strdup(process_function);
+ process.host = strdup(process_host);
+
+ lua_pushnil(L);
+ while (lua_next(L, 3) != 0) {
+ arg = lua_tostring(L, -1);
+ process.argc++;
+ process.argv =
+ xbt_realloc(process.argv, (process.argc) * sizeof(char *));
+ process.argv[(process.argc) - 1] = xbt_strdup(arg);
+
+ XBT_DEBUG("index = %f , arg = %s \n", lua_tonumber(L, -2),
+ lua_tostring(L, -1));
+ lua_pop(L, 1);
+ }
+ lua_pop(L, 1);
+ //add to the process list
+ xbt_dynar_push(process_list, &process);
+ return 0;
+}
+
+
+static int gras_generate(lua_State * L)
+{
+ const char *project_name = luaL_checkstring(L, 1);
+ generate_sim(project_name);
+ generate_rl(project_name);
+ generate_makefile_local(project_name);
+ return 0;
+}
+
+/***********************************
+ * Tracing
+ **********************************/
+static int trace_start(lua_State *L)
+{
+#ifdef HAVE_TRACING
+ TRACE_start();
#endif
- }
-
- // add route
- INFO0("Start Adding routes");
- xbt_dynar_foreach(route_list_d,i,p_route)
- {
-#ifndef BYPASS_MODEL
-
- SURFXML_BUFFER_SET(route_src,p_route->src_id);
- SURFXML_BUFFER_SET(route_dst,p_route->dest_id);
- SURFXML_BUFFER_SET(route_impact_on_src, "0.0");
- SURFXML_BUFFER_SET(route_impact_on_dst, "0.0");
- SURFXML_BUFFER_SET(route_impact_on_src_with_other_recv, "0.0");
- SURFXML_BUFFER_SET(route_impact_on_dst_with_other_send, "0.0");
- SURFXML_START_TAG(route);
-
- xbt_dynar_foreach(p_route->links_id,j,link_id)
- {
- SURFXML_BUFFER_SET(link_c_ctn_id,link_id);
- SURFXML_START_TAG(link_c_ctn);
- SURFXML_END_TAG(link_c_ctn);
-#ifdef BYPASS_MODEL
- surf_add_route_element(link_id);
+ return 1;
+}
+
+static int trace_category(lua_State * L)
+{
+#ifdef HAVE_TRACING
+ TRACE_category(luaL_checkstring(L, 1));
#endif
- }
+ return 1;
+}
- SURFXML_END_TAG(route);
+static int trace_set_task_category(lua_State *L)
+{
+#ifdef HAVE_TRACING
+ TRACE_msg_set_task_category(checkTask(L, -2), luaL_checkstring(L, -1));
#endif
- }
- /* </platform> */
-#ifndef BYPASS_MODEL
- SURFXML_END_TAG(platform);
+ return 1;
+}
+
+static int trace_end(lua_State *L)
+{
+#ifdef HAVE_TRACING
+ TRACE_end();
#endif
+ return 1;
+}
- free(surfxml_bufferstack);
- return 0; // must return 0 ?!!
+// *********** Register Methods ******************************************* //
-}
-/*
- * surf parse bypass application
- */
-static int surf_parse_bypass_application()
-{
- unsigned int i,j;
- p_host_attr p_host;
- char * arg;
- static int AX_ptr;
- static int surfxml_bufferstack_size = 2048;
- /* FIXME ( should be manual )allocating memory to the buffer, I think 2MB should be enough */
- surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
- /* <platform> */
- SURFXML_BUFFER_SET(platform_version, "2");
- SURFXML_START_TAG(platform);
-
- xbt_dynar_foreach(host_list_d,i,p_host)
- {
- if(p_host->function)
- {
- SURFXML_BUFFER_SET(process_host, p_host->id);
- SURFXML_BUFFER_SET(process_function, p_host->function);
- SURFXML_BUFFER_SET(process_start_time, "-1.0");
- SURFXML_BUFFER_SET(process_kill_time, "-1.0");
- SURFXML_START_TAG(process);
- //args
- xbt_dynar_foreach(p_host->args_list,j,arg)
- {
- SURFXML_BUFFER_SET(argument_value,arg);
- SURFXML_START_TAG(argument);
- SURFXML_END_TAG(argument);
- }
- SURFXML_END_TAG(process);
- }
- }
- /* </platform> */
- SURFXML_END_TAG(platform);
- free(surfxml_bufferstack);
- return 0;
-}
-
-//***********Register Methods *******************************************//
/*
* Host Methods
*/
static const luaL_reg Host_methods[] = {
- {"getByName", Host_get_by_name},
- {"name", Host_get_name},
- {"number", Host_number},
- {"at", Host_at},
- // Bypass XML Methods
- {"new", Host_new},
- {"setFunction", Host_set_function},
- {0,0}
+ {"getByName", Host_get_by_name},
+ {"name", Host_get_name},
+ {"number", Host_number},
+ {"at", Host_at},
+ {"self", Host_self},
+ {"getPropValue", Host_get_property_value},
+ {"sleep", Host_sleep},
+ {"destroy", Host_destroy},
+ // Bypass XML Methods
+ {"setFunction", console_set_function},
+ {"setProperty", console_host_set_property},
+ {NULL, NULL}
};
-static int Host_gc(lua_State *L)
+static int Host_gc(lua_State * L)
{
- m_host_t ht = checkHost(L,-1);
- if (ht) ht = NULL;
+ m_host_t ht = checkHost(L, -1);
+ if (ht)
+ ht = NULL;
return 0;
}
-static int Host_tostring(lua_State *L)
+static int Host_tostring(lua_State * L)
{
- lua_pushfstring(L,"Host :%p",lua_touserdata(L,1));
+ lua_pushfstring(L, "Host :%p", lua_touserdata(L, 1));
return 1;
}
static const luaL_reg Host_meta[] = {
- {"__gc", Host_gc},
- {"__tostring", Host_tostring},
- {0,0}
+ {"__gc", Host_gc},
+ {"__tostring", Host_tostring},
+ {0, 0}
};
/*
- * Link Methods
+ * AS Methods
*/
-static const luaL_reg Link_methods[] = {
- {"new",Link_new},
- {0,0}
+static const luaL_reg AS_methods[] = {
+ {"new", console_add_AS},
+ {"addHost", console_add_host},
+ {"addLink", console_add_link},
+ {"addRoute", console_add_route},
+ {NULL, NULL}
};
-/*
- * Route Methods
+
+/**
+ * Tracing Functions
*/
-static const luaL_reg Route_methods[] ={
- {"new",Route_new},
- {0,0}
+static const luaL_reg Trace_methods[] = {
+ {"start", trace_start},
+ {"category", trace_category},
+ {"setTaskCategory", trace_set_task_category},
+ {"finish", trace_end},
+ {NULL, NULL}
};
/*
* Environment related
*/
-extern lua_State *simgrid_lua_state;
+/**
+ * @brief Runs a Lua function as a new simulated process.
+ * @param argc number of arguments of the function
+ * @param argv name of the Lua function and array of its arguments
+ * @return result of the function
+ */
+static int run_lua_code(int argc, char **argv)
+{
+ XBT_DEBUG("Run lua code %s", argv[0]);
-static int run_lua_code(int argc,char **argv) {
- DEBUG1("Run lua code %s",argv[0]);
- lua_State *L = lua_newthread(simgrid_lua_state);
- int ref = luaL_ref(simgrid_lua_state, LUA_REGISTRYINDEX); // protect the thread from being garbage collected
+ lua_State *L = clone_lua_state(lua_maestro_state);
int res = 1;
- /* Start the co-routine */
- lua_getglobal(L,argv[0]);
- xbt_assert1(lua_isfunction(L,-1),
- "The lua function %s does not seem to exist",argv[0]);
+ /* start the function */
+ lua_getglobal(L, argv[0]);
+ xbt_assert(lua_isfunction(L, -1),
+ "The lua function %s does not seem to exist", argv[0]);
- // push arguments onto the stack
+ /* push arguments onto the stack */
int i;
- for(i=1;i<argc;i++)
- lua_pushstring(L,argv[i]);
+ for (i = 1; i < argc; i++)
+ lua_pushstring(L, argv[i]);
- // Call the function (in resume)
- xbt_assert2(lua_pcall(L, argc-1, 1, 0) == 0,
- "error running function `%s': %s",argv[0], lua_tostring(L, -1));
+ /* call the function */
+ int err;
+ err = lua_pcall(L, argc - 1, 1, 0);
+ xbt_assert(err == 0, "error running function `%s': %s", argv[0],
+ lua_tostring(L, -1));
/* retrieve result */
if (lua_isnumber(L, -1)) {
res = lua_tonumber(L, -1);
- lua_pop(L, 1); /* pop returned value */
+ lua_pop(L, 1); /* pop returned value */
}
- // cleanups
- luaL_unref(simgrid_lua_state,LUA_REGISTRYINDEX,ref );
- DEBUG1("Execution of lua code %s is over", (argv ? argv[0] : "(null)"));
+ XBT_DEBUG("Execution of Lua code %s is over", (argv ? argv[0] : "(null)"));
+
return res;
}
-static int launch_application(lua_State *L) {
- const char * file = luaL_checkstring(L,1);
+
+static int launch_application(lua_State * L)
+{
+ const char *file = luaL_checkstring(L, 1);
MSG_function_register_default(run_lua_code);
MSG_launch_application(file);
return 0;
}
-#include "simix/simix.h" //FIXME: KILLME when debugging on simix internals become useless
-static int create_environment(lua_State *L) {
- const char *file = luaL_checkstring(L,1);
- DEBUG1("Loading environment file %s",file);
- MSG_create_environment(file);
- smx_host_t *hosts = SIMIX_host_get_table();
- int i;
- for (i=0;i<SIMIX_host_get_number();i++) {
- DEBUG1("We have an host %s", SIMIX_host_get_name(hosts[i]));
- }
+static int create_environment(lua_State * L)
+{
+ const char *file = luaL_checkstring(L, 1);
+ XBT_DEBUG("Loading environment file %s", file);
+ MSG_create_environment(file);
return 0;
}
-static int debug(lua_State *L) {
- const char *str = luaL_checkstring(L,1);
- DEBUG1("%s",str);
+static int debug(lua_State * L)
+{
+ const char *str = luaL_checkstring(L, 1);
+ XBT_DEBUG("%s", str);
return 0;
}
-static int info(lua_State *L) {
- const char *str = luaL_checkstring(L,1);
- INFO1("%s",str);
+
+static int info(lua_State * L)
+{
+ const char *str = luaL_checkstring(L, 1);
+ XBT_INFO("%s", str);
return 0;
}
-static int run(lua_State *L) {
+
+static int run(lua_State * L)
+{
MSG_main();
return 0;
}
-static int clean(lua_State *L) {
+
+static int clean(lua_State * L)
+{
MSG_clean();
return 0;
}
/*
- * Bypass XML Pareser
+ * Bypass XML Parser (lua console)
+ */
+
+/*
+ * Register platform for MSG
+ */
+static int msg_register_platform(lua_State * L)
+{
+ /* Tell Simgrid we dont wanna use its parser */
+ surf_parse = console_parse_platform;
+ surf_parse_reset_callbacks();
+ surf_config_models_setup(NULL);
+ MSG_create_environment(NULL);
+ return 0;
+}
+
+/*
+ * Register platform for Simdag
+ */
+
+static int sd_register_platform(lua_State * L)
+{
+ surf_parse = console_parse_platform_wsL07;
+ surf_parse_reset_callbacks();
+ surf_config_models_setup(NULL);
+ SD_create_environment(NULL);
+ return 0;
+}
+
+/*
+ * Register platform for gras
+ */
+static int gras_register_platform(lua_State * L)
+{
+ /* Tell Simgrid we dont wanna use surf parser */
+ surf_parse = console_parse_platform;
+ surf_parse_reset_callbacks();
+ surf_config_models_setup(NULL);
+ gras_create_environment(NULL);
+ return 0;
+}
+
+/**
+ * Register applicaiton for MSG
*/
-static int register_platform(lua_State *L)
+static int msg_register_application(lua_State * L)
{
- /* Tell Simgrid we dont wanna use its parser*/
- surf_parse = surf_parse_bypass_platform;
- MSG_create_environment(NULL);
- return 0;
+ MSG_function_register_default(run_lua_code);
+ surf_parse = console_parse_application;
+ MSG_launch_application(NULL);
+ return 0;
}
-static int register_application(lua_State *L)
+/*
+ * Register application for gras
+ */
+static int gras_register_application(lua_State * L)
{
- MSG_function_register_default(run_lua_code);
- surf_parse = surf_parse_bypass_application;
- MSG_launch_application(NULL);
- return 0;
+ gras_function_register_default(run_lua_code);
+ surf_parse = console_parse_application;
+ gras_launch_application(NULL);
+ return 0;
}
static const luaL_Reg simgrid_funcs[] = {
- { "create_environment", create_environment},
- { "launch_application", launch_application},
- { "debug", debug},
- { "info", info},
- { "run", run},
- { "clean", clean},
- /* short names */
- { "platform", create_environment},
- { "application", launch_application},
- /* methods to bypass XML parser*/
- { "register_platform",register_platform},
- { "register_application",register_application},
- { NULL, NULL }
+ {"create_environment", create_environment},
+ {"launch_application", launch_application},
+ {"debug", debug},
+ {"info", info},
+ {"run", run},
+ {"clean", clean},
+ /* short names */
+ {"platform", create_environment},
+ {"application", launch_application},
+ /* methods to bypass XML parser */
+ {"msg_register_platform", msg_register_platform},
+ {"sd_register_platform", sd_register_platform},
+ {"msg_register_application", msg_register_application},
+ {"gras_register_platform", gras_register_platform},
+ {"gras_register_application", gras_register_application},
+ /* gras sub generator method */
+ {"gras_set_process_function", gras_add_process_function},
+ {"gras_generate", gras_generate},
+ {NULL, NULL}
};
/* ********************************************************************************* */
/* module management functions */
/* ********************************************************************************* */
-extern const char*xbt_ctx_factory_to_use; /*Hack: let msg load directly the right factory */
+#define LUA_MAX_ARGS_COUNT 10 /* maximum amount of arguments we can get from lua on command line */
-#define LUA_MAX_ARGS_COUNT 10 /* maximum amount of arguments we can get from lua on command line */
+int luaopen_simgrid(lua_State *L); // Fuck gcc: we don't need that prototype
-int luaopen_simgrid(lua_State* L); // Fuck gcc: we don't need that prototype
-int luaopen_simgrid(lua_State* L) {
- //xbt_ctx_factory_to_use = "lua";
+/**
+ * This function is called automatically by the Lua interpreter when some Lua code requires
+ * the "simgrid" module.
+ * @param L the Lua state
+ */
+int luaopen_simgrid(lua_State *L)
+{
+ XBT_DEBUG("luaopen_simgrid *****");
- char **argv=malloc(sizeof(char*)*LUA_MAX_ARGS_COUNT);
- int argc=1;
- argv[0] = (char*)"/usr/bin/lua"; /* Lie on the argv[0] so that the stack dumping facilities find the right binary. FIXME: what if lua is not in that location? */
/* Get the command line arguments from the lua interpreter */
- lua_getglobal(L,"arg");
- xbt_assert1(lua_istable(L,-1),"arg parameter is not a table but a %s",lua_typename(L,-1));
- int done=0;
- while (!done) {
- argc++;
- lua_pushinteger(L,argc-2);
- lua_gettable(L,-2);
- if (lua_isnil(L,-1)) {
- done = 1;
- } else {
- xbt_assert1(lua_isstring(L,-1),"argv[%d] got from lua is no string",argc-1);
- xbt_assert2(argc<LUA_MAX_ARGS_COUNT,
- "Too many arguments, please increase LUA_MAX_ARGS_COUNT in %s before recompiling SimGrid if you insist on having more than %d args on command line",
- __FILE__,LUA_MAX_ARGS_COUNT-1);
- argv[argc-1] = (char*)luaL_checkstring(L,-1);
- lua_pop(L,1);
- DEBUG1("Got command line argument %s from lua",argv[argc-1]);
+ char **argv = malloc(sizeof(char *) * LUA_MAX_ARGS_COUNT);
+ int argc = 1;
+ argv[0] = (char *) "/usr/bin/lua"; /* Lie on the argv[0] so that the stack dumping facilities find the right binary. FIXME: what if lua is not in that location? */
+
+ lua_getglobal(L, "arg");
+ /* if arg is a null value, it means we use lua only as a script to init platform
+ * else it should be a table and then take arg in consideration
+ */
+ if (lua_istable(L, -1)) {
+ int done = 0;
+ while (!done) {
+ argc++;
+ lua_pushinteger(L, argc - 2);
+ lua_gettable(L, -2);
+ if (lua_isnil(L, -1)) {
+ done = 1;
+ } else {
+ xbt_assert(lua_isstring(L, -1),
+ "argv[%d] got from lua is no string", argc - 1);
+ xbt_assert(argc < LUA_MAX_ARGS_COUNT,
+ "Too many arguments, please increase LUA_MAX_ARGS_COUNT in %s before recompiling SimGrid if you insist on having more than %d args on command line",
+ __FILE__, LUA_MAX_ARGS_COUNT - 1);
+ argv[argc - 1] = (char *) luaL_checkstring(L, -1);
+ lua_pop(L, 1);
+ XBT_DEBUG("Got command line argument %s from lua", argv[argc - 1]);
+ }
}
+ argv[argc--] = NULL;
+
+ /* Initialize the MSG core */
+ MSG_global_init(&argc, argv);
+ XBT_DEBUG("Still %d arguments on command line", argc); // FIXME: update the lua's arg table to reflect the changes from SimGrid
}
- argv[argc--]=NULL;
- /* Initialize the MSG core */
- MSG_global_init(&argc,argv);
- DEBUG1("Still %d arguments on command line",argc); // FIXME: update the lua's arg table to reflect the changes from SimGrid
+ /* Keep the context mechanism informed of our lua world today */
+ lua_maestro_state = L;
+
+ register_c_functions(L);
+
+ return 1;
+}
+
+/**
+ * Makes the appropriate Simgrid functions available to the Lua world.
+ * @param L a Lua world
+ */
+void register_c_functions(lua_State *L) {
/* register the core C functions to lua */
luaL_register(L, "simgrid", simgrid_funcs);
- /* register the task methods to lua */
- luaL_openlib(L,TASK_MODULE_NAME,Task_methods,0); //create methods table,add it to the globals
- luaL_newmetatable(L,TASK_MODULE_NAME); //create metatable for Task,add it to the Lua registry
- luaL_openlib(L,0,Task_meta,0);// fill metatable
- lua_pushliteral(L,"__index");
- lua_pushvalue(L,-3); //dup methods table
- lua_rawset(L,-3); //matatable.__index = methods
- lua_pushliteral(L,"__metatable");
- lua_pushvalue(L,-3); //dup methods table
- lua_rawset(L,-3); //hide metatable:metatable.__metatable = methods
- lua_pop(L,1); //drop metatable
-
- /* register the hosts methods to lua*/
- luaL_openlib(L,HOST_MODULE_NAME,Host_methods,0);
- luaL_newmetatable(L,HOST_MODULE_NAME);
- luaL_openlib(L,0,Host_meta,0);
- lua_pushliteral(L,"__index");
- lua_pushvalue(L,-3);
- lua_rawset(L,-3);
- lua_pushliteral(L,"__metatable");
- lua_pushvalue(L,-3);
- lua_rawset(L,-3);
- lua_pop(L,1);
-
- /* register the links methods to lua*/
- luaL_openlib(L,LINK_MODULE_NAME,Link_methods,0);
- luaL_newmetatable(L,LINK_MODULE_NAME);
- lua_pop(L,1);
-
- /*register the routes methods to lua*/
- luaL_openlib(L,ROUTE_MODULE_NAME,Route_methods,0);
- luaL_newmetatable(L,LINK_MODULE_NAME);
- lua_pop(L,1);
- /* Keep the context mechanism informed of our lua world today */
- simgrid_lua_state = L;
- return 1;
+ /* register the task methods to lua */
+ luaL_openlib(L, TASK_MODULE_NAME, Task_methods, 0); // create methods table, add it to the globals
+ luaL_newmetatable(L, TASK_MODULE_NAME); // create metatable for Task, add it to the Lua registry
+ luaL_openlib(L, 0, Task_meta, 0); // fill metatable
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, -3); // dup methods table
+ lua_rawset(L, -3); // matatable.__index = methods
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, -3); // dup methods table
+ lua_rawset(L, -3); // hide metatable:metatable.__metatable = methods
+ lua_pop(L, 1); // drop metatable
+
+ /* register the hosts methods to lua */
+ luaL_openlib(L, HOST_MODULE_NAME, Host_methods, 0);
+ luaL_newmetatable(L, HOST_MODULE_NAME);
+ luaL_openlib(L, 0, Host_meta, 0);
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, -3);
+ lua_rawset(L, -3);
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, -3);
+ lua_rawset(L, -3);
+ lua_pop(L, 1);
+
+ /* register the links methods to lua */
+ luaL_openlib(L, AS_MODULE_NAME, AS_methods, 0);
+ luaL_newmetatable(L, AS_MODULE_NAME);
+ lua_pop(L, 1);
+
+ /* register the Tracing functions to lua */
+ luaL_openlib(L, TRACE_MODULE_NAME, Trace_methods, 0);
+ luaL_newmetatable(L, TRACE_MODULE_NAME);
+ lua_pop(L, 1);
}
