X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f2ef3bcc89d2ecfdf083257665a7db032a963f91..dff9e15c44ab6340d27215957c56fa72fad246a2:/tools/tesh/tesh.c

diff --git a/tools/tesh/tesh.c b/tools/tesh/tesh.c
index abbaf22177..7b1a4c0a0d 100644
--- a/tools/tesh/tesh.c
+++ b/tools/tesh/tesh.c
@@ -13,494 +13,243 @@
 #pragma hdrstop
 #endif
 
-#include "portable.h"
-#include "xbt/sysdep.h"
-#include "xbt/function_types.h"
-#include "xbt/log.h"
-#include "xbt/str.h"
-
-#include <sys/types.h>
-#include <sys/wait.h>
-
-/**
- ** Buffer code
- **/
-typedef struct {
-  char *data;
-  int used,size;
-} buff_t;
-
-static void buff_empty(buff_t *b) {
-  b->used=0;
-  b->data[0]='\n';
-  b->data[1]='\0';
-}
-static buff_t *buff_new(void) {
-  buff_t *res=malloc(sizeof(buff_t));
-  res->data=malloc(512);
-  res->size=512;
-  buff_empty(res);
-  return res;
-}
-static void buff_free(buff_t *b) {
-  if (b) {
-    if (b->data)
-      free(b->data);
-    free(b);
-  }
-}
-static void buff_append(buff_t *b, char *toadd) {
-  int addlen=strlen(toadd);
-  int needed_space=b->used+addlen+1;
+#include "tesh.h"
+#include "xbt.h"
 
-  if (needed_space > b->size) {
-    b->data = realloc(b->data, needed_space);
-    b->size = needed_space;
-  }
-  strcpy(b->data+b->used, toadd);
-  b->used += addlen;  
-}
-static void buff_chomp(buff_t *b) {
-  while (b->data[b->used] == '\n') {
-    b->data[b->used] = '\0';
-    if (b->used)
-      b->used--;
-  }
-}
+XBT_LOG_NEW_DEFAULT_CATEGORY(tesh, "TEst SHell utility");
 
-static void buff_trim(buff_t* b)
-{
-	trim(b->data," ");
-	b->used = strlen(b->data);
-}
+/*** Options ***/
+int timeout_value = 5;          /* child timeout value */
 
-typedef struct s_signal_entry
+char *testsuite_name;
+static void handle_line(const char *filepos, char *line)
 {
-	const char* name;
-	int number;
-}s_signal_entry_t,* signal_entry_t;
-
-static const s_signal_entry_t signals[] = 
-{
-	{"SIGHUP"	,1},
-	{"SIGINT"	,2},
-	{"SIGQUIT"	,3},
-	{"SIGILL"	,4},
-	{"SIGTRAP"	,5},
-	{"SIGABRT"	,6},
-	{"SIGEMT"	,7},
-	{"SIGFPE"	,8},
-	{"SIGKILL"	,9},
-	{"SIGBUS"	,10},
-	{"SIGSEGV"	,11},
-	{"SIGSYS"	,12},
-	{"SIGPIPE"	,13},
-	{"SIGALRM"	,14},
-	{"SIGTERM"	,15},
-	{"SIGURG"	,16},
-	{"SIGSTOP"	,17},
-	{"SIGTSTP"	,18},
-	{"SIGCONT"	,19},
-	{"SIGCHLD"	,20},
-	{"SIGTTIN"	,21},
-	{"SIGTTOU"	,22},
-	{"SIGIO"	,23},
-	{"SIGXCPU"	,24},
-	{"SIGXFSZ"	,25},
-	{"SIGVTALRM",26},
-	{"SIGPROF"	,27},
-	{"SIGWINCH"	,28},
-	{"SIGINFO"	,29},
-	{"SIGUSR1"	,30},
-	{"SIGUSR2"	,31}
-};
-
-#define SIGMAX 		31
-#define SIGUNKNW	SIGMAX + 1
-
-/* returns the name of the signal from it number */
-const char* 
-signal_name(unsigned int number);
-
-/**
- ** Options
- **/
-int timeout_value = 5; /* child timeout value */
-char* expected_signal=NULL; /* !=NULL if the following command should raise a signal */
-int expected_return=0; /* the exepeted return code of following command */
-int verbose=0; /* wheather we should wine on problems */
-
-/**
- ** Dealing with timeouts
- **/
-int timeouted;
-static void timeout_handler(int sig) {
-  timeouted = 1;
-}
-/**
- ** Dealing with timeouts
- **/
-int brokenpipe;
-static void pipe_handler(int sig) {
-  brokenpipe = 1;
-}
-
-/**
- ** Launching a child
- **/
-buff_t *input;
-buff_t *output_wanted;
-buff_t *output_got;
-
-static void check_output() {
-  if (output_wanted->used==0 
-      && output_got->used==0)
-    return;
-  buff_chomp(output_got);
-  buff_chomp(output_wanted);
-   buff_trim(output_got);
-buff_trim(output_wanted);
-
-  if (   output_got->used != output_wanted->used
-      || strcmp(output_got->data, output_wanted->data)) {
-    fprintf(stderr,"Output don't match expectations\n");
-    fprintf(stderr,">>>>> Expected %d chars:\n%s\n<<<<< Expected\n",
-	    output_wanted->used,output_wanted->data);
-    fprintf(stderr,">>>>> Got %d chars:\n%s\n<<<<< Got\n",
-	    output_got->used,output_got->data);
-    exit(2);
-  }
-  buff_empty(output_wanted);
-  buff_empty(output_got);
-  
-}
-
-static void exec_cmd(char *cmd) {
-  int child_stdin[2];
-  int child_stdout[2];
-
-  if (pipe(child_stdin) || pipe(child_stdout)) {
-    perror("Cannot open the pipes");
-    exit(4);
-  }
-
-  int pid=fork();
-  if (pid<0) {
-    perror("Cannot fork the command");
-    exit(4);
-  }
-
-  if (pid) { /* father */
-    char buffout[4096];
-    int posw,posr;
-    int status;
-    close(child_stdin[0]);
-    fcntl(child_stdin[1], F_SETFL, O_NONBLOCK);
-    close(child_stdout[1]);
-    fcntl(child_stdout[0], F_SETFL, O_NONBLOCK);
-
-    brokenpipe = 0;
-    for (posw=0; posw<input->used && !brokenpipe; ) {
-      int got;
-      //      fprintf(stderr,"Still %d chars to write\n",input->used-posw);
-      got=write(child_stdin[1],input->data+posw,input->used-posw);
-      if (got>0)
-	posw+=got;
-      if (got<0 && errno!=EINTR && errno!=EAGAIN && errno!=EPIPE) {
-	perror("Error while writing input to child");
-	exit(4);
-      }
-      //      fprintf(stderr,"written %d chars so far\n",posw);
-
-      posr=read(child_stdout[0],&buffout,4096);
-      //      fprintf(stderr,"got %d chars\n",posr);
-      if (posr<0 && errno!=EINTR && errno!=EAGAIN) {
-	perror("Error while reading output of child");
-	exit(4);
-      }
-      if (posr>0) {
-	buffout[posr]='\0';      
-	buff_append(output_got,buffout);
-      }
-       
-      if (got <= 0 && posr <= 0)
-	 usleep(100);
-    }
-    input->data[0]='\0';
-    input->used=0;
-    close(child_stdin[1]);
-
-    timeouted = 0;
-    alarm(timeout_value);
-    do {
-      posr=read(child_stdout[0],&buffout,4096);
-      if (posr<0 && errno!=EINTR && errno!=EAGAIN) {
-	perror("Error while reading output of child");
-	exit(4);
-      }
-      if (posr>0) {
-	buffout[posr]='\0';
-	buff_append(output_got,buffout);
-      } else {
-	usleep(100);
-      }
-    } while (!timeouted && posr!=0);
-
-    /* Check for broken pipe */
-    if (brokenpipe && verbose) {
-      fprintf(stderr,"Warning: Child did not consume all its input (I got broken pipe)\n");
-    }
-
-    /* Check for timeouts */
-    if (timeouted) {
-      fprintf(stderr,"Child timeouted (waited %d sec)\n",timeout_value);
-      exit(3);
-    }
-    alarm(0);
-      
-
-    /* Wait for child, and check why it terminated */
-    wait(&status);
-
-    if (WIFSIGNALED(status) && strcmp(signal_name(WTERMSIG(status)),expected_signal)) {
-		fprintf(stderr,"Child got signal %s instead of signal %s\n",signal_name(WTERMSIG(status)), expected_signal);
-		exit(WTERMSIG(status)+4);	
-	}
-	
-    if (!WIFSIGNALED(status) && expected_signal) {
-      fprintf(stderr,"Child didn't got expected signal %s\n",
-	      expected_signal);
-      exit(5);
-    }
-
-    if (WIFEXITED(status) && WEXITSTATUS(status) != expected_return ) {
-      if (expected_return) 
-	fprintf(stderr,"Child returned code %d instead of %d\n",
-		WEXITSTATUS(status), expected_return);
-      else
-	fprintf(stderr,"Child returned code %d\n", WEXITSTATUS(status));
-      exit(40+WEXITSTATUS(status));
-    }
-    expected_return = 0;
-    
-    if(expected_signal){
-    	free(expected_signal);
-    	expected_signal = NULL;
-    }
-
-  } else { /* child */
-
-    close(child_stdin[1]);
-    close(child_stdout[0]);
-    dup2(child_stdin[0],0);
-    close(child_stdin[0]);
-    dup2(child_stdout[1],1);
-    dup2(child_stdout[1],2);
-    close(child_stdout[1]);
-
-    execlp ("/bin/sh", "sh", "-c", cmd, NULL);
-  }
-}
+  /* Search end */
+  xbt_str_rtrim(line + 2, "\n");
+
+  /*
+     DEBUG7("rctx={%s,in={%d,>>%10s<<},exp={%d,>>%10s<<},got={%d,>>%10s<<}}",
+     rctx->cmd,
+     rctx->input->used,        rctx->input->data,
+     rctx->output_wanted->used,rctx->output_wanted->data,
+     rctx->output_got->used,   rctx->output_got->data);
+   */
+  DEBUG2("[%s] %s", filepos, line);
 
-static void run_cmd(char *cmd) {
-  if (cmd[0] == 'c' && cmd[1] == 'd' && cmd[2] == ' ') {
-    int pos = 2;
-    /* Search end */
-    pos = strlen(cmd)-1;
-    while (cmd[pos] == '\n' || cmd[pos] == ' ' || cmd[pos] == '\t')
-      cmd[pos--] = '\0';
-    /* search begining */
-    pos = 2;
-    while (cmd[pos++] == ' ');
-    pos--;
-    //    fprintf(stderr,"Saw cd '%s'\n",cmd+pos);
-    if (chdir(cmd+pos)) {
-      perror("Chdir failed");
-      exit(4);
-    }
-    
-  } else {
-    exec_cmd(cmd);
-  }
-}
-
-static void handle_line(int nl, char *line) {
-  
-  // printf("%d: %s",nl,line);  fflush(stdout);
   switch (line[0]) {
-  case '#': break;
-  case '$': 
-    check_output(); /* Check that last command ran well */
-     
-    printf("[%d] %s",nl,line);
-    fflush(stdout);
-    run_cmd(line+2);
-    break;
-    
-  case '<':
-    buff_append(input,line+2);
+  case '#':
     break;
 
+  case '$':
+    /* further trim useless chars which are significant for in/output */
+    xbt_str_rtrim(line + 2, " \t");
+
+    /* Deal with CD commands here, not in rctx */
+    if (!strncmp("cd ", line + 2, 3)) {
+      char *dir = line + 4;
+
+      if (rctx->cmd)
+        rctx_start();
+
+      /* search beginning */
+      while (*(dir++) == ' ');
+      dir--;
+      VERB1("Saw cd '%s'", dir);
+      if (chdir(dir)) {
+        ERROR2("Chdir to %s failed: %s", dir, strerror(errno));
+        ERROR1("Test suite `%s': NOK (system error)", testsuite_name);
+        rctx_armageddon(rctx, 4);
+      }
+      break;
+    }                           /* else, pushline */
+  case '&':
+  case '<':
   case '>':
-    buff_append(output_wanted,line+2);
-    break;
-
   case '!':
-    if (!strncmp(line+2,"set timeout ",strlen("set timeout "))) {
-      timeout_value=atoi(line+2+strlen("set timeout"));
-      printf("[%d] (new timeout value: %d)\n",
-	     nl,timeout_value);
-
-    } else if (!strncmp(line+2,"expect signal ",strlen("expect signal "))) {
-      expected_signal = strdup(line+2 + strlen("expect signal "));
-      trim(expected_signal," \n");
-	   printf("[%d] (next command must raise signal %s)\n", nl, expected_signal);
-
-    } else if (!strncmp(line+2,"expect return ",strlen("expect return "))) {
-      expected_return = atoi(line+2+strlen("expect return "));
-      printf("[%d] (next command must return code %d)\n",
-	     nl, expected_return);
-       
-    } else if (!strncmp(line+2,"verbose on",strlen("verbose on"))) {
-      verbose = 1;
-      printf("[%d] (increase verbosity)\n", nl);
-       
-    } else if (!strncmp(line+2,"verbose off",strlen("verbose off"))) {
-      verbose = 1;
-      printf("[%d] (decrease verbosity)\n", nl);
-
-    } else {
-      fprintf(stderr,"%d: Malformed metacommand: %s",nl,line);
-      exit(1);
-    }
+    rctx_pushline(filepos, line[0], line + 2 /* pass '$ ' stuff */ );
     break;
 
   case 'p':
-    printf("[%d] %s",nl,line+2);
+    INFO2("[%s] %s", filepos, line + 2);
+    break;
+  case 'P':
+    CRITICAL2("[%s] %s", filepos, line + 2);
     break;
 
   default:
-    fprintf(stderr,"Syntax error line %d: %s",nl, line);
-    exit(1);
+    ERROR2("[%s] Syntax error: %s", filepos, line);
+    ERROR1("Test suite `%s': NOK (syntax error)", testsuite_name);
+    rctx_armageddon(rctx, 1);
     break;
   }
 }
 
-static int handle_suite(FILE* IN) {
-  int len;
-  char * line = NULL;
-  int line_num=0;
+static void handle_suite(const char *filename, FILE * IN)
+{
+  size_t len;
+  char *line = NULL;
+  int line_num = 0;
+  char file_pos[256];
+
+  xbt_strbuff_t buff = xbt_strbuff_new();
+  int buffbegin = 0;
 
-  buff_t *buff=buff_new();
-  int buffbegin = 0;   
+  rctx = rctx_new();
 
-  while (getline(&line,(size_t*) &len, IN) != -1) {
+  while (getline(&line, &len, IN) != -1) {
     line_num++;
 
     /* Count the line length while checking wheather it's blank */
-    int blankline=1;
-    int linelen = 0;    
+    int blankline = 1;
+    int linelen = 0;
     while (line[linelen] != '\0') {
-      if (line[linelen] != ' ' && line[linelen] != '\t' && line[linelen]!='\n')
-	blankline = 0;
+      if (line[linelen] != ' ' && line[linelen] != '\t'
+          && line[linelen] != '\n')
+        blankline = 0;
       linelen++;
     }
-    
-    if (blankline)
+
+    if (blankline) {
+      if (!rctx->cmd && !rctx->is_empty) {
+        ERROR1("[%d] Error: no command found in this chunk of lines.",
+               buffbegin);
+        ERROR1("Test suite `%s': NOK (syntax error)", testsuite_name);
+        rctx_armageddon(rctx, 1);
+      }
+      if (rctx->cmd)
+        rctx_start();
+
       continue;
+    }
 
     /* Deal with \ at the end of the line, and call handle_line on result */
     int to_be_continued = 0;
-    if (linelen>1 && line[linelen-2]=='\\') {
-      if (linelen>2 && line[linelen-3] == '\\') {
-	/* Damn. Escaped \ */
-	line[linelen-2] = '\n';
-	line[linelen-1] = '\0';
+    if (linelen > 1 && line[linelen - 2] == '\\') {
+      if (linelen > 2 && line[linelen - 3] == '\\') {
+        /* Damn. Escaped \ */
+        line[linelen - 2] = '\n';
+        line[linelen - 1] = '\0';
       } else {
-	to_be_continued = 1;
-	line[linelen-2] = '\0';
-	linelen -= 2;  
-	if (!buff->used)
-	  buffbegin = line_num;
+        to_be_continued = 1;
+        line[linelen - 2] = '\0';
+        linelen -= 2;
+        if (!buff->used)
+          buffbegin = line_num;
       }
     }
 
-    if (buff->used || to_be_continued) { 
-      buff_append(buff,line);
+    if (buff->used || to_be_continued) {
+      xbt_strbuff_append(buff, line);
 
       if (!to_be_continued) {
-	handle_line(buffbegin, buff->data);    
-	buff_empty(buff);
+        snprintf(file_pos, 256, "%s:%d", filename, buffbegin);
+        handle_line(file_pos, buff->data);
+        xbt_strbuff_empty(buff);
       }
-	
+
     } else {
-      handle_line(line_num,line);    
+      snprintf(file_pos, 256, "%s:%d", filename, line_num);
+      handle_line(file_pos, line);
     }
   }
-  check_output(); /* Check that last command ran well */
+  /* Check that last command of the file ran well */
+  if (rctx->cmd)
+    rctx_start();
+
+  /* Wait all background commands */
+
+  rctx_free(rctx);
 
   /* Clear buffers */
   if (line)
     free(line);
-  buff_free(buff);
-  return 1;
-}
+  xbt_strbuff_free(buff);
 
-int main(int argc,char *argv[]) {
+}
 
-  /* Setup the signal handlers */
-  struct sigaction newact,oldact;
-  memset(&newact,0,sizeof(newact));
-  newact.sa_handler=timeout_handler;
-  sigaction(SIGALRM,&newact,&oldact);
+static void parse_environ()
+{
+  char *p;
+  int i;
+  env = xbt_dict_new();
+  for (i = 0; environ[i]; i++) {
+    p = environ[i];
+    char *eq = strchr(p, '=');
+    char *key = bprintf("%.*s", (int) (eq - p), p);
+    xbt_dict_set(env, key, xbt_strdup(eq + 1), xbt_free_f);
+    free(key);
+  }
+}
 
-  newact.sa_handler=pipe_handler;
-  sigaction(SIGPIPE,&newact,&oldact);
-   
-  /* Setup the input/output buffers */
-  input=buff_new();
-  output_wanted=buff_new();
-  output_got=buff_new();
+int main(int argc, char *argv[])
+{
 
-  /* Find the description file */
   FILE *IN;
+  int i;
+
+  /* Ignore pipe issues.
+     They will show up when we try to send data to dead buddies,
+     but we will stop doing so when we're done with provided input */
+  struct sigaction newact;
+  memset(&newact, 0, sizeof(newact));
+  newact.sa_handler = SIG_IGN;
+  sigaction(SIGPIPE, &newact, NULL);
+
+  xbt_init(&argc, argv);
+  rctx_init();
+  parse_environ();
+
+  /* Get args */
+  for (i = 1; i < argc; i++) {
+    if (!strncmp(argv[i], "--cd", strlen("--cd") + 1)) {
+      if (i == argc - 1) {
+        ERROR0("--cd argument requires an argument");
+        exit(1);
+      }
+      if (chdir(argv[i + 1])) {
+        ERROR2("Cannot change directory to %s: %s", argv[i + 1],
+               strerror(errno));
+        exit(1);
+      }
+      INFO1("Change directory to %s", argv[i + 1]);
+      memmove(argv + i, argv + i + 2, argc - i - 1);
+      argc -= 2;
+    }
+  }
 
+  /* Find the description file */
   if (argc == 1) {
-    printf("Test suite from stdin\n");fflush(stdout);
-    handle_suite(stdin);
-    fprintf(stderr,"Test suite from stdin OK\n");
-     
+    INFO0("Test suite from stdin");
+    testsuite_name = xbt_strdup("(stdin)");
+    handle_suite("stdin", stdin);
+    INFO0("Test suite from stdin OK");
+
   } else {
-    int i;
-     
-    for (i=1; i<argc; i++) {
-       printf("Test suite `%s'\n",argv[i]);fflush(stdout);
-       IN=fopen(argv[i], "r");
-       if (!IN) {
-	  perror(bprintf("Impossible to open the suite file `%s'",argv[i]));
-	  exit(1);
-       }
-       handle_suite(IN);
-//       fclose(IN); ->leads to segfault on amd64...
-       fprintf(stderr,"Test suite `%s' OK\n",argv[i]);
+    for (i = 1; i < argc; i++) {
+      char *suitename = xbt_strdup(argv[i]);
+      if (!strcmp("./", suitename))
+        memmove(suitename, suitename + 2, strlen(suitename + 2));
+
+      if (!strcmp(".tesh", suitename + strlen(suitename) - 5))
+        suitename[strlen(suitename) - 5] = '\0';
+
+      INFO1("Test suite `%s'", suitename);
+      testsuite_name = suitename;
+      IN = fopen(argv[i], "r");
+      if (!IN) {
+        perror(bprintf("Impossible to open the suite file `%s'", argv[i]));
+        ERROR1("Test suite `%s': NOK (system error)", testsuite_name);
+        rctx_armageddon(rctx, 1);
+      }
+      handle_suite(suitename, IN);
+      rctx_wait_bg();
+      fclose(IN);
+      INFO1("Test suite `%s' OK", suitename);
+      free(suitename);
     }
   }
-   
-  buff_free(input);
-  buff_free(output_wanted);
-  buff_free(output_got);
-  return 0;  
-}
 
-const char* 
-signal_name(unsigned int number)
-{
-	if(number > SIGMAX)
-		return "SIGUNKNW";
-		
-	/* special case of SIGSEGV and SIGBUS (be conditional of the implementation)*/
-	if((number == SIGBUS) && strcmp("SIGBUS",expected_signal))
-		number = SIGSEGV;
-		
-	return (signals[number - 1].name);
+  rctx_exit();
+  xbt_exit();
+  return 0;
 }