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Load arbitrary loom names

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This commit is contained in:
Rodrigo Arias 2021-08-02 20:23:57 +02:00
parent b6af567b23
commit 43950a13f1
2 changed files with 60 additions and 12 deletions
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1
emu.h
View File

@ -104,6 +104,7 @@ struct ovni_eproc {
/* State of each loom on post-process */
struct ovni_loom {
size_t nprocs;
char name[HOST_NAME_MAX];
struct ovni_eproc proc[OVNI_MAX_PROC];
};

71
ovni.c
View File

@ -439,7 +439,7 @@ ovni_ev(struct ovni_ev *ev)
}
static int
find_dir_prefix(struct dirent *dirent, const char *prefix, int *num)
find_dir_prefix_str(struct dirent *dirent, const char *prefix, const char **str)
{
const char *p;
@ -457,7 +457,20 @@ find_dir_prefix(struct dirent *dirent, const char *prefix, int *num)
p++;
/* Convert the end to a number */
*str = p;
return 0;
}
static int
find_dir_prefix_int(struct dirent *dirent, const char *prefix, int *num)
{
const char *p;
if(find_dir_prefix_str(dirent, prefix, &p) != 0)
return -1;
/* Convert the suffix string to a number */
*num = atoi(p);
return 0;
@ -507,7 +520,7 @@ load_proc(struct ovni_eproc *proc, int index, int pid, char *procdir)
while((dirent = readdir(dir)) != NULL)
{
if(find_dir_prefix(dirent, "thread", &tid) != 0)
if(find_dir_prefix_int(dirent, "thread", &tid) != 0)
{
err("warning: ignoring bogus directory entry %s\n",
dirent->d_name);
@ -554,7 +567,7 @@ load_loom(struct ovni_loom *loom, int loomid, char *loomdir)
while((dirent = readdir(dir)) != NULL)
{
if(find_dir_prefix(dirent, "proc", &pid) != 0)
if(find_dir_prefix_int(dirent, "proc", &pid) != 0)
{
err("warning: ignoring bogus directory entry %s\n",
dirent->d_name);
@ -586,19 +599,53 @@ load_loom(struct ovni_loom *loom, int loomid, char *loomdir)
int
ovni_load_trace(struct ovni_trace *trace, char *tracedir)
{
int loom, nlooms;
int i;
char path[PATH_MAX];
const char *loom_name;
struct stat st;
DIR *dir;
struct dirent *dirent;
struct ovni_loom *loom;
/* TODO: For now only one loom */
nlooms = 1;
loom = 0;
trace->nlooms = 0;
sprintf(path, "%s/loom.%d", tracedir, loom);
if(load_loom(&trace->loom[loom], loom, path))
if((dir = opendir(tracedir)) == NULL)
{
fprintf(stderr, "opendir %s failed: %s\n",
tracedir, strerror(errno));
return -1;
}
trace->nlooms = nlooms;
while((dirent = readdir(dir)) != NULL)
{
if(find_dir_prefix_str(dirent, "loom", &loom_name) != 0)
{
/* Ignore other files in tracedir */
continue;
}
if(trace->nlooms >= OVNI_MAX_LOOM)
{
err("too many looms for trace %s\n",
tracedir);
abort();
}
i = trace->nlooms;
loom = &trace->loom[i];
/* FIXME: Unsafe */
strcpy(loom->name, loom_name);
sprintf(path, "%s/%s", tracedir, dirent->d_name);
if(load_loom(&trace->loom[i], i, path) != 0)
return -1;
trace->nlooms++;
}
closedir(dir);
return 0;
}