mirror of
https://github.com/netfun2000/lcd4linux.git
synced 2026-02-27 09:44:34 +08:00
[lcd4linux @ 2005-05-08 04:32:43 by reinelt]
CodingStyle added and applied git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@547 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
reinelt
@@ -1,4 +1,4 @@
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/* $Id: plugin_proc_stat.c,v 1.25 2005/01/18 06:30:23 reinelt Exp $
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/* $Id: plugin_proc_stat.c,v 1.26 2005/05/08 04:32:45 reinelt Exp $
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*
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* plugin for /proc/stat parsing
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*
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@@ -23,6 +23,9 @@
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*
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*
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* $Log: plugin_proc_stat.c,v $
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* Revision 1.26 2005/05/08 04:32:45 reinelt
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* CodingStyle added and applied
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*
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* Revision 1.25 2005/01/18 06:30:23 reinelt
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* added (C) to all copyright statements
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*
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@@ -151,253 +154,279 @@ static HASH Stat;
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static FILE *stream = NULL;
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static void hash_put1 (const char *key1, const char *val)
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static void hash_put1(const char *key1, const char *val)
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{
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hash_put_delta (&Stat, key1, val);
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hash_put_delta(&Stat, key1, val);
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}
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static void hash_put2 (const char *key1, const char *key2, const char *val)
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static void hash_put2(const char *key1, const char *key2, const char *val)
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{
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char key[32];
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qprintf(key, sizeof(key), "%s.%s", key1, key2);
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hash_put1 (key, val);
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char key[32];
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qprintf(key, sizeof(key), "%s.%s", key1, key2);
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hash_put1(key, val);
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}
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static void hash_put3 (const char *key1, const char *key2, const char *key3, const char *val)
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static void hash_put3(const char *key1, const char *key2, const char *key3, const char *val)
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{
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char key[32];
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qprintf(key, sizeof(key), "%s.%s.%s", key1, key2, key3);
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hash_put1 (key, val);
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char key[32];
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qprintf(key, sizeof(key), "%s.%s.%s", key1, key2, key3);
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hash_put1(key, val);
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}
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static int parse_proc_stat (void)
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static int parse_proc_stat(void)
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{
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int age;
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/* reread every 10 msec only */
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age=hash_age(&Stat, NULL);
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if (age>0 && age<=10) return 0;
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if (stream==NULL) stream=fopen("/proc/stat", "r");
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if (stream==NULL) {
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error ("fopen(/proc/stat) failed: %s", strerror(errno));
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return -1;
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}
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rewind(stream);
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while (!feof(stream)) {
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char buffer[1024];
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if (fgets (buffer, sizeof(buffer), stream) == NULL) break;
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if (strncmp(buffer, "cpu", 3)==0) {
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char *key[] = { "user", "nice", "system", "idle" };
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char delim[] = " \t\n";
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char *cpu, *beg, *end;
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int i;
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cpu=buffer;
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/* skip "cpu" or "cpu0" block */
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if ((end=strpbrk(buffer, delim))!=NULL) *end='\0';
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beg=end?end+1:NULL;
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for (i=0; i<4 && beg!=NULL; i++) {
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while (strchr(delim, *beg)) beg++;
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if ((end=strpbrk(beg, delim))) *end='\0';
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hash_put2 (cpu, key[i], beg);
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beg=end?end+1:NULL;
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}
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}
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int age;
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else if (strncmp(buffer, "page ", 5)==0) {
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char *key[] = { "in", "out" };
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char delim[] = " \t\n";
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char *beg, *end;
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int i;
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for (i=0, beg=buffer+5; i<2 && beg!=NULL; i++) {
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while (strchr(delim, *beg)) beg++;
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if ((end=strpbrk(beg, delim))) *end='\0';
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hash_put2 ("page", key[i], beg);
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beg=end?end+1:NULL;
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}
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}
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else if (strncmp(buffer, "swap ", 5)==0) {
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char *key[] = { "in", "out" };
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char delim[] = " \t\n";
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char *beg, *end;
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int i;
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for (i=0, beg=buffer+5; i<2 && beg!=NULL; i++) {
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while (strchr(delim, *beg)) beg++;
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if ((end=strpbrk(beg, delim))) *end='\0';
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hash_put2 ("swap", key[i], beg);
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beg=end?end+1:NULL;
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}
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}
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/* reread every 10 msec only */
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age = hash_age(&Stat, NULL);
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if (age > 0 && age <= 10)
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return 0;
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else if (strncmp(buffer, "intr ", 5)==0) {
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char delim[]=" \t\n";
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char *beg, *end, num[4];
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int i;
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for (i=0, beg=buffer+5; i<17 && beg!=NULL; i++) {
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while (strchr(delim, *beg)) beg++;
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if ((end=strpbrk(beg, delim))) *end='\0';
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if (i==0)
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strcpy(num, "sum");
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else
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qprintf(num, sizeof(num), "%d", i-1);
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hash_put2 ("intr", num, beg);
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beg=end?end+1:NULL;
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}
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}
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else if (strncmp(buffer, "disk_io:", 8)==0) {
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char *key[] = { "io", "rio", "rblk", "wio", "wblk" };
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char delim[] = " ():,\t\n";
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char *dev, *beg, *end, *p;
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int i;
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dev=buffer+8;
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while (dev!=NULL) {
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while (strchr(delim, *dev)) dev++;
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if ((end=strchr(dev, ')'))) *end='\0';
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while ((p=strchr(dev, ','))!=NULL) *p=':';
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beg=end?end+1:NULL;
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for (i=0; i<5 && beg!=NULL; i++) {
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while (strchr(delim, *beg)) beg++;
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if ((end=strpbrk(beg, delim))) *end='\0';
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hash_put3 ("disk_io", dev, key[i], beg);
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beg=end?end+1:NULL;
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}
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dev=beg;
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}
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if (stream == NULL)
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stream = fopen("/proc/stat", "r");
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if (stream == NULL) {
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error("fopen(/proc/stat) failed: %s", strerror(errno));
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return -1;
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}
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else {
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char delim[] = " \t\n";
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char *beg, *end;
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beg=buffer;
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if ((end=strpbrk(beg, delim))) *end='\0';
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beg=end?end+1:NULL;
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if ((end=strpbrk(beg, delim))) *end='\0';
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while (strchr(delim, *beg)) beg++;
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hash_put1 (buffer, beg);
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}
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}
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return 0;
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rewind(stream);
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while (!feof(stream)) {
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char buffer[1024];
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if (fgets(buffer, sizeof(buffer), stream) == NULL)
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break;
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if (strncmp(buffer, "cpu", 3) == 0) {
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char *key[] = { "user", "nice", "system", "idle" };
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char delim[] = " \t\n";
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char *cpu, *beg, *end;
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int i;
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cpu = buffer;
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/* skip "cpu" or "cpu0" block */
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if ((end = strpbrk(buffer, delim)) != NULL)
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*end = '\0';
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beg = end ? end + 1 : NULL;
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for (i = 0; i < 4 && beg != NULL; i++) {
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while (strchr(delim, *beg))
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beg++;
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if ((end = strpbrk(beg, delim)))
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*end = '\0';
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hash_put2(cpu, key[i], beg);
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beg = end ? end + 1 : NULL;
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}
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}
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else if (strncmp(buffer, "page ", 5) == 0) {
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char *key[] = { "in", "out" };
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char delim[] = " \t\n";
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char *beg, *end;
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int i;
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for (i = 0, beg = buffer + 5; i < 2 && beg != NULL; i++) {
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while (strchr(delim, *beg))
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beg++;
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if ((end = strpbrk(beg, delim)))
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*end = '\0';
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hash_put2("page", key[i], beg);
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beg = end ? end + 1 : NULL;
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}
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}
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else if (strncmp(buffer, "swap ", 5) == 0) {
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char *key[] = { "in", "out" };
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char delim[] = " \t\n";
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char *beg, *end;
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int i;
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for (i = 0, beg = buffer + 5; i < 2 && beg != NULL; i++) {
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while (strchr(delim, *beg))
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beg++;
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if ((end = strpbrk(beg, delim)))
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*end = '\0';
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hash_put2("swap", key[i], beg);
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beg = end ? end + 1 : NULL;
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}
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}
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else if (strncmp(buffer, "intr ", 5) == 0) {
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char delim[] = " \t\n";
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char *beg, *end, num[4];
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int i;
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for (i = 0, beg = buffer + 5; i < 17 && beg != NULL; i++) {
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while (strchr(delim, *beg))
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beg++;
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if ((end = strpbrk(beg, delim)))
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*end = '\0';
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if (i == 0)
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strcpy(num, "sum");
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else
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qprintf(num, sizeof(num), "%d", i - 1);
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hash_put2("intr", num, beg);
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beg = end ? end + 1 : NULL;
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}
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}
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else if (strncmp(buffer, "disk_io:", 8) == 0) {
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char *key[] = { "io", "rio", "rblk", "wio", "wblk" };
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char delim[] = " ():,\t\n";
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char *dev, *beg, *end, *p;
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int i;
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dev = buffer + 8;
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while (dev != NULL) {
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while (strchr(delim, *dev))
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dev++;
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if ((end = strchr(dev, ')')))
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*end = '\0';
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while ((p = strchr(dev, ',')) != NULL)
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*p = ':';
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beg = end ? end + 1 : NULL;
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for (i = 0; i < 5 && beg != NULL; i++) {
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while (strchr(delim, *beg))
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beg++;
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if ((end = strpbrk(beg, delim)))
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*end = '\0';
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hash_put3("disk_io", dev, key[i], beg);
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beg = end ? end + 1 : NULL;
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}
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dev = beg;
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}
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}
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else {
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char delim[] = " \t\n";
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char *beg, *end;
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beg = buffer;
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if ((end = strpbrk(beg, delim)))
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*end = '\0';
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beg = end ? end + 1 : NULL;
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if ((end = strpbrk(beg, delim)))
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*end = '\0';
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while (strchr(delim, *beg))
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beg++;
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hash_put1(buffer, beg);
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}
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}
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return 0;
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}
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static void my_proc_stat (RESULT *result, const int argc, RESULT *argv[])
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static void my_proc_stat(RESULT * result, const int argc, RESULT * argv[])
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{
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char *string;
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double number;
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if (parse_proc_stat()<0) {
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SetResult(&result, R_STRING, "");
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return;
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}
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switch (argc) {
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case 1:
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string=hash_get(&Stat, R2S(argv[0]), NULL);
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if (string==NULL) string="";
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SetResult(&result, R_STRING, string);
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break;
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case 2:
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number=hash_get_delta(&Stat, R2S(argv[0]), NULL, R2N(argv[1]));
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SetResult(&result, R_NUMBER, &number);
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break;
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default:
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error ("proc_stat(): wrong number of parameters");
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SetResult(&result, R_STRING, "");
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}
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char *string;
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double number;
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if (parse_proc_stat() < 0) {
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SetResult(&result, R_STRING, "");
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return;
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}
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switch (argc) {
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case 1:
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string = hash_get(&Stat, R2S(argv[0]), NULL);
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if (string == NULL)
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string = "";
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SetResult(&result, R_STRING, string);
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break;
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case 2:
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number = hash_get_delta(&Stat, R2S(argv[0]), NULL, R2N(argv[1]));
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SetResult(&result, R_NUMBER, &number);
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break;
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default:
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error("proc_stat(): wrong number of parameters");
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SetResult(&result, R_STRING, "");
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}
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}
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static void my_cpu (RESULT *result, RESULT *arg1, RESULT *arg2)
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static void my_cpu(RESULT * result, RESULT * arg1, RESULT * arg2)
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{
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char *key;
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int delay;
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double value;
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double cpu_user, cpu_nice, cpu_system, cpu_idle, cpu_total;
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if (parse_proc_stat()<0) {
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SetResult(&result, R_STRING, "");
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return;
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}
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key = R2S(arg1);
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delay = R2N(arg2);
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cpu_user = hash_get_delta(&Stat, "cpu.user", NULL, delay);
|
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cpu_nice = hash_get_delta(&Stat, "cpu.nice", NULL, delay);
|
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cpu_system = hash_get_delta(&Stat, "cpu.system", NULL, delay);
|
||||
cpu_idle = hash_get_delta(&Stat, "cpu.idle", NULL, delay);
|
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char *key;
|
||||
int delay;
|
||||
double value;
|
||||
double cpu_user, cpu_nice, cpu_system, cpu_idle, cpu_total;
|
||||
|
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cpu_total = cpu_user+cpu_nice+cpu_system+cpu_idle;
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||||
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if (strcasecmp(key, "user" )==0) value=cpu_user;
|
||||
else if (strcasecmp(key, "nice" )==0) value=cpu_nice;
|
||||
else if (strcasecmp(key, "system")==0) value=cpu_system;
|
||||
else if (strcasecmp(key, "idle" )==0) value=cpu_idle;
|
||||
else if (strcasecmp(key, "busy" )==0) value=cpu_total-cpu_idle;
|
||||
|
||||
if (cpu_total>0.0)
|
||||
value = 100*value/cpu_total;
|
||||
else
|
||||
value=0.0;
|
||||
if (parse_proc_stat() < 0) {
|
||||
SetResult(&result, R_STRING, "");
|
||||
return;
|
||||
}
|
||||
|
||||
SetResult(&result, R_NUMBER, &value);
|
||||
key = R2S(arg1);
|
||||
delay = R2N(arg2);
|
||||
|
||||
cpu_user = hash_get_delta(&Stat, "cpu.user", NULL, delay);
|
||||
cpu_nice = hash_get_delta(&Stat, "cpu.nice", NULL, delay);
|
||||
cpu_system = hash_get_delta(&Stat, "cpu.system", NULL, delay);
|
||||
cpu_idle = hash_get_delta(&Stat, "cpu.idle", NULL, delay);
|
||||
|
||||
cpu_total = cpu_user + cpu_nice + cpu_system + cpu_idle;
|
||||
|
||||
if (strcasecmp(key, "user") == 0)
|
||||
value = cpu_user;
|
||||
else if (strcasecmp(key, "nice") == 0)
|
||||
value = cpu_nice;
|
||||
else if (strcasecmp(key, "system") == 0)
|
||||
value = cpu_system;
|
||||
else if (strcasecmp(key, "idle") == 0)
|
||||
value = cpu_idle;
|
||||
else if (strcasecmp(key, "busy") == 0)
|
||||
value = cpu_total - cpu_idle;
|
||||
|
||||
if (cpu_total > 0.0)
|
||||
value = 100 * value / cpu_total;
|
||||
else
|
||||
value = 0.0;
|
||||
|
||||
SetResult(&result, R_NUMBER, &value);
|
||||
}
|
||||
|
||||
|
||||
static void my_disk (RESULT *result, RESULT *arg1, RESULT *arg2, RESULT *arg3)
|
||||
static void my_disk(RESULT * result, RESULT * arg1, RESULT * arg2, RESULT * arg3)
|
||||
{
|
||||
char *dev, *key, buffer[32];
|
||||
int delay;
|
||||
double value;
|
||||
|
||||
if (parse_proc_stat()<0) {
|
||||
SetResult(&result, R_STRING, "");
|
||||
return;
|
||||
}
|
||||
|
||||
dev = R2S(arg1);
|
||||
key = R2S(arg2);
|
||||
delay = R2N(arg3);
|
||||
|
||||
qprintf(buffer, sizeof(buffer), "disk_io\\.%s\\.%s", dev, key);
|
||||
value = hash_get_regex(&Stat, buffer, NULL, delay);
|
||||
|
||||
SetResult(&result, R_NUMBER, &value);
|
||||
char *dev, *key, buffer[32];
|
||||
int delay;
|
||||
double value;
|
||||
|
||||
if (parse_proc_stat() < 0) {
|
||||
SetResult(&result, R_STRING, "");
|
||||
return;
|
||||
}
|
||||
|
||||
dev = R2S(arg1);
|
||||
key = R2S(arg2);
|
||||
delay = R2N(arg3);
|
||||
|
||||
qprintf(buffer, sizeof(buffer), "disk_io\\.%s\\.%s", dev, key);
|
||||
value = hash_get_regex(&Stat, buffer, NULL, delay);
|
||||
|
||||
SetResult(&result, R_NUMBER, &value);
|
||||
}
|
||||
|
||||
|
||||
int plugin_init_proc_stat (void)
|
||||
int plugin_init_proc_stat(void)
|
||||
{
|
||||
hash_create(&Stat);
|
||||
AddFunction ("proc_stat", -1, my_proc_stat);
|
||||
AddFunction ("proc_stat::cpu", 2, my_cpu);
|
||||
AddFunction ("proc_stat::disk", 3, my_disk);
|
||||
return 0;
|
||||
hash_create(&Stat);
|
||||
AddFunction("proc_stat", -1, my_proc_stat);
|
||||
AddFunction("proc_stat::cpu", 2, my_cpu);
|
||||
AddFunction("proc_stat::disk", 3, my_disk);
|
||||
return 0;
|
||||
}
|
||||
|
||||
void plugin_exit_proc_stat(void)
|
||||
void plugin_exit_proc_stat(void)
|
||||
{
|
||||
if (stream!=NULL) {
|
||||
fclose (stream);
|
||||
stream=NULL;
|
||||
}
|
||||
hash_destroy(&Stat);
|
||||
if (stream != NULL) {
|
||||
fclose(stream);
|
||||
stream = NULL;
|
||||
}
|
||||
hash_destroy(&Stat);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user