1 files changed, 106 insertions, 106 deletions

diff --git a/src/mod_rrdtool.c b/src/mod_rrdtool.c
index c7b897a..28003c4 100644
--- a/src/mod_rrdtool.c
+++ b/src/mod_rrdtool.c
@@ -23,7 +23,7 @@
 typedef struct {
 	buffer *path_rrdtool_bin;
 	buffer *path_rrd;
-	
+
 	double requests, *requests_ptr;
 	double bytes_written, *bytes_written_ptr;
 	double bytes_read, *bytes_read_ptr;
@@ -31,84 +31,84 @@ typedef struct {
 
 typedef struct {
 	PLUGIN_DATA;
-	
+
 	buffer *cmd;
 	buffer *resp;
-	
+
 	int read_fd, write_fd;
 	pid_t rrdtool_pid;
-	
+
 	int rrdtool_running;
-	
+
 	plugin_config **config_storage;
 	plugin_config conf;
 } plugin_data;
 
 INIT_FUNC(mod_rrd_init) {
 	plugin_data *p;
-	
+
 	p = calloc(1, sizeof(*p));
-	
+
 	p->resp = buffer_init();
 	p->cmd = buffer_init();
-	
+
 	return p;
 }
 
 FREE_FUNC(mod_rrd_free) {
 	plugin_data *p = p_d;
 	size_t i;
-	
+
 	if (!p) return HANDLER_GO_ON;
-	
+
 	if (p->config_storage) {
 		for (i = 0; i < srv->config_context->used; i++) {
 			plugin_config *s = p->config_storage[i];
-			
+
 			buffer_free(s->path_rrdtool_bin);
 			buffer_free(s->path_rrd);
-			
+
 			free(s);
 		}
 	}
 	buffer_free(p->cmd);
 	buffer_free(p->resp);
-	
+
 	free(p->config_storage);
-	
+
 	if (p->rrdtool_pid) {
 		int status;
 		close(p->read_fd);
 		close(p->write_fd);
-#ifdef HAVE_FORK	
+#ifdef HAVE_FORK
 		/* collect status */
 		waitpid(p->rrdtool_pid, &status, 0);
 #endif
 	}
-	
+
 	free(p);
-	
+
 	return HANDLER_GO_ON;
 }
 
 int mod_rrd_create_pipe(server *srv, plugin_data *p) {
 	pid_t pid;
-	
+
 	int to_rrdtool_fds[2];
 	int from_rrdtool_fds[2];
-#ifdef HAVE_FORK	
+#ifdef HAVE_FORK
 	if (pipe(to_rrdtool_fds)) {
-		log_error_write(srv, __FILE__, __LINE__, "ss", 
+		log_error_write(srv, __FILE__, __LINE__, "ss",
 				"pipe failed: ", strerror(errno));
 		return -1;
 	}
-	
+
 	if (pipe(from_rrdtool_fds)) {
-		log_error_write(srv, __FILE__, __LINE__, "ss", 
+		log_error_write(srv, __FILE__, __LINE__, "ss",
 				"pipe failed: ", strerror(errno));
 		return -1;
 	}
-	
+
 	/* fork, execve */
 	switch (pid = fork()) {
 	case 0: {
@@ -117,33 +117,33 @@ int mod_rrd_create_pipe(server *srv, plugin_data *p) {
 		int argc;
 		int i = 0;
 		char *dash = "-";
-		
+
 		/* move stdout to from_rrdtool_fd[1] */
 		close(STDOUT_FILENO);
 		dup2(from_rrdtool_fds[1], STDOUT_FILENO);
 		close(from_rrdtool_fds[1]);
 		/* not needed */
 		close(from_rrdtool_fds[0]);
-		
+
 		/* move the stdin to to_rrdtool_fd[0] */
 		close(STDIN_FILENO);
 		dup2(to_rrdtool_fds[0], STDIN_FILENO);
 		close(to_rrdtool_fds[0]);
 		/* not needed */
 		close(to_rrdtool_fds[1]);
-		
+
 		close(STDERR_FILENO);
-		
+
 		if (srv->errorlog_mode == ERRORLOG_FILE) {
 			dup2(srv->errorlog_fd, STDERR_FILENO);
 			close(srv->errorlog_fd);
 		}
-		
+
 		/* set up args */
 		argc = 3;
 		args = malloc(sizeof(*args) * argc);
 		i = 0;
-		
+
 		args[i++] = p->conf.path_rrdtool_bin->ptr;
 		args[i++] = dash;
 		args[i++] = NULL;
@@ -152,12 +152,12 @@ int mod_rrd_create_pipe(server *srv, plugin_data *p) {
 		for (i = 3; i < 256; i++) {
 			close(i);
 		}
-		
+
 		/* exec the cgi */
 		execv(args[0], args);
-		
+
 		log_error_write(srv, __FILE__, __LINE__, "sss", "spawing rrdtool failed: ", strerror(errno), args[0]);
-		
+
 		/* */
 		SEGFAULT();
 		break;
@@ -168,19 +168,19 @@ int mod_rrd_create_pipe(server *srv, plugin_data *p) {
 		break;
 	default: {
 		/* father */
-		
+
 		close(from_rrdtool_fds[1]);
 		close(to_rrdtool_fds[0]);
-		
+
 		/* register PID and wait for them asyncronously */
 		p->write_fd = to_rrdtool_fds[1];
 		p->read_fd = from_rrdtool_fds[0];
 		p->rrdtool_pid = pid;
-		
+
 		break;
 	}
 	}
-	
+
 	return 0;
 #else
 	return -1;
@@ -189,19 +189,19 @@ int mod_rrd_create_pipe(server *srv, plugin_data *p) {
 
 static int mod_rrdtool_create_rrd(server *srv, plugin_data *p, plugin_config *s) {
 	struct stat st;
-	
+
 	/* check if DB already exists */
 	if (0 == stat(s->path_rrd->ptr, &st)) {
 		/* check if it is plain file */
 		if (!S_ISREG(st.st_mode)) {
-			log_error_write(srv, __FILE__, __LINE__, "sb", 
+			log_error_write(srv, __FILE__, __LINE__, "sb",
 					"not a regular file:", s->path_rrd);
 			return HANDLER_ERROR;
 		}
 	} else {
 		int r ;
 		/* create a new one */
-		
+
 		BUFFER_COPY_STRING_CONST(p->cmd, "create ");
 		buffer_append_string_buffer(p->cmd, s->path_rrd);
 		buffer_append_string(p->cmd, " --step 60 ");
@@ -220,33 +220,33 @@ static int mod_rrdtool_create_rrd(server *srv, plugin_data *p, plugin_config *s)
 		buffer_append_string(p->cmd, "RRA:MIN:0.5:6:700 ");
 		buffer_append_string(p->cmd, "RRA:MIN:0.5:24:775 ");
 		buffer_append_string(p->cmd, "RRA:MIN:0.5:288:797\n");
-		
+
 		if (-1 == (r = write(p->write_fd, p->cmd->ptr, p->cmd->used - 1))) {
-			log_error_write(srv, __FILE__, __LINE__, "ss", 
+			log_error_write(srv, __FILE__, __LINE__, "ss",
 				"rrdtool-write: failed", strerror(errno));
-			
+
 			return HANDLER_ERROR;
 		}
-		
+
 		buffer_prepare_copy(p->resp, 4096);
 		if (-1 == (r = read(p->read_fd, p->resp->ptr, p->resp->size))) {
-			log_error_write(srv, __FILE__, __LINE__, "ss", 
+			log_error_write(srv, __FILE__, __LINE__, "ss",
 				"rrdtool-read: failed", strerror(errno));
-			
+
 			return HANDLER_ERROR;
 		}
-		
+
 		p->resp->used = r;
-		
+
 		if (p->resp->ptr[0] != 'O' ||
 		    p->resp->ptr[1] != 'K') {
-			log_error_write(srv, __FILE__, __LINE__, "sbb", 
+			log_error_write(srv, __FILE__, __LINE__, "sbb",
 				"rrdtool-response:", p->cmd, p->resp);
-			
+
 			return HANDLER_ERROR;
 		}
 	}
-	
+
 	return HANDLER_GO_ON;
 }
 
@@ -255,37 +255,37 @@ static int mod_rrdtool_create_rrd(server *srv, plugin_data *p, plugin_config *s)
 static int mod_rrd_patch_connection(server *srv, connection *con, plugin_data *p) {
 	size_t i, j;
 	plugin_config *s = p->config_storage[0];
-	
+
 	PATCH(path_rrdtool_bin);
 	PATCH(path_rrd);
-	
+
 	p->conf.bytes_written_ptr = &(s->bytes_written);
 	p->conf.bytes_read_ptr = &(s->bytes_read);
 	p->conf.requests_ptr = &(s->requests);
-	
+
 	/* skip the first, the global context */
 	for (i = 1; i < srv->config_context->used; i++) {
 		data_config *dc = (data_config *)srv->config_context->data[i];
 		s = p->config_storage[i];
-		
+
 		/* condition didn't match */
 		if (!config_check_cond(srv, con, dc)) continue;
-		
+
 		/* merge config */
 		for (j = 0; j < dc->value->used; j++) {
 			data_unset *du = dc->value->data[j];
-			
+
 			if (buffer_is_equal_string(du->key, CONST_STR_LEN("rrdtool.db-name"))) {
 				PATCH(path_rrd);
 				/* get pointers to double values */
-				
+
 				p->conf.bytes_written_ptr = &(s->bytes_written);
 				p->conf.bytes_read_ptr = &(s->bytes_read);
 				p->conf.requests_ptr = &(s->requests);
 			}
 		}
 	}
-	
+
 	return 0;
 }
 #undef PATCH
@@ -293,85 +293,85 @@ static int mod_rrd_patch_connection(server *srv, connection *con, plugin_data *p
 SETDEFAULTS_FUNC(mod_rrd_set_defaults) {
 	plugin_data *p = p_d;
 	size_t i;
-	
-	config_values_t cv[] = { 
+
+	config_values_t cv[] = {
 		{ "rrdtool.binary",              NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER },
 		{ "rrdtool.db-name",             NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION },
 		{ NULL,                          NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
 	};
-	
+
 	if (!p) return HANDLER_ERROR;
-	
+
 	p->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *));
-	
+
 	for (i = 0; i < srv->config_context->used; i++) {
 		plugin_config *s;
-		
+
 		s = calloc(1, sizeof(plugin_config));
 		s->path_rrdtool_bin = buffer_init();
 		s->path_rrd = buffer_init();
 		s->requests = 0;
 		s->bytes_written = 0;
 		s->bytes_read = 0;
-		
+
 		cv[0].destination = s->path_rrdtool_bin;
 		cv[1].destination = s->path_rrd;
-		
+
 		p->config_storage[i] = s;
-	
+
 		if (0 != config_insert_values_global(srv, ((data_config *)srv->config_context->data[i])->value, cv)) {
 			return HANDLER_ERROR;
 		}
-		
+
 		if (i > 0 && !buffer_is_empty(s->path_rrdtool_bin)) {
 			/* path_rrdtool_bin is a global option */
-			
-			log_error_write(srv, __FILE__, __LINE__, "s", 
+
+			log_error_write(srv, __FILE__, __LINE__, "s",
 					"rrdtool.binary can only be set as a global option.");
-			
+
 			return HANDLER_ERROR;
 		}
-		
+
 	}
-	
+
 	p->conf.path_rrdtool_bin = p->config_storage[0]->path_rrdtool_bin;
 	p->rrdtool_running = 0;
-	
+
 	/* check for dir */
-	
+
 	if (buffer_is_empty(p->conf.path_rrdtool_bin)) {
-		log_error_write(srv, __FILE__, __LINE__, "s", 
+		log_error_write(srv, __FILE__, __LINE__, "s",
 				"rrdtool.binary has to be set");
 		return HANDLER_ERROR;
 	}
-	
+
 	/* open the pipe to rrdtool */
 	if (mod_rrd_create_pipe(srv, p)) {
 		return HANDLER_ERROR;
 	}
-	
+
 	p->rrdtool_running = 1;
-		
+
 	return HANDLER_GO_ON;
 }
 
 TRIGGER_FUNC(mod_rrd_trigger) {
 	plugin_data *p = p_d;
 	size_t i;
-	
+
 	if (!p->rrdtool_running) return HANDLER_GO_ON;
 	if ((srv->cur_ts % 60) != 0) return HANDLER_GO_ON;
-	
+
 	for (i = 0; i < srv->config_context->used; i++) {
 		plugin_config *s = p->config_storage[i];
 		int r;
-		
+
 		if (buffer_is_empty(s->path_rrd)) continue;
-	
+
 		/* write the data down every minute */
-		
+
 		if (HANDLER_GO_ON != mod_rrdtool_create_rrd(srv, p, s)) return HANDLER_ERROR;
-		
+
 		BUFFER_COPY_STRING_CONST(p->cmd, "update ");
 		buffer_append_string_buffer(p->cmd, s->path_rrd);
 		BUFFER_APPEND_STRING_CONST(p->cmd, " N:");
@@ -381,69 +381,69 @@ TRIGGER_FUNC(mod_rrd_trigger) {
 		BUFFER_APPEND_STRING_CONST(p->cmd, ":");
 		buffer_append_long(p->cmd, s->requests);
 		BUFFER_APPEND_STRING_CONST(p->cmd, "\n");
-		
+
 		if (-1 == (r = write(p->write_fd, p->cmd->ptr, p->cmd->used - 1))) {
 			p->rrdtool_running = 0;
-			
-			log_error_write(srv, __FILE__, __LINE__, "ss", 
+
+			log_error_write(srv, __FILE__, __LINE__, "ss",
 					"rrdtool-write: failed", strerror(errno));
-			
+
 			return HANDLER_ERROR;
 		}
-		
+
 		buffer_prepare_copy(p->resp, 4096);
 		if (-1 == (r = read(p->read_fd, p->resp->ptr, p->resp->size))) {
 			p->rrdtool_running = 0;
-			
-			log_error_write(srv, __FILE__, __LINE__, "ss", 
+
+			log_error_write(srv, __FILE__, __LINE__, "ss",
 					"rrdtool-read: failed", strerror(errno));
-			
+
 			return HANDLER_ERROR;
 		}
-		
+
 		p->resp->used = r;
-		
+
 		if (p->resp->ptr[0] != 'O' ||
 		    p->resp->ptr[1] != 'K') {
 			p->rrdtool_running = 0;
-			
-			log_error_write(srv, __FILE__, __LINE__, "sbb", 
+
+			log_error_write(srv, __FILE__, __LINE__, "sbb",
 					"rrdtool-response:", p->cmd, p->resp);
-			
+
 			return HANDLER_ERROR;
 		}
 		s->requests = 0;
 		s->bytes_written = 0;
 		s->bytes_read = 0;
 	}
-	
+
 	return HANDLER_GO_ON;
 }
 
 REQUESTDONE_FUNC(mod_rrd_account) {
 	plugin_data *p = p_d;
-	
+
 	mod_rrd_patch_connection(srv, con, p);
-	
+
 	*(p->conf.requests_ptr)      += 1;
 	*(p->conf.bytes_written_ptr) += con->bytes_written;
 	*(p->conf.bytes_read_ptr)    += con->bytes_read;
-	
+
 	return HANDLER_GO_ON;
 }
 
 int mod_rrdtool_plugin_init(plugin *p) {
 	p->version     = LIGHTTPD_VERSION_ID;
 	p->name        = buffer_init_string("rrd");
-	
+
 	p->init        = mod_rrd_init;
 	p->cleanup     = mod_rrd_free;
 	p->set_defaults= mod_rrd_set_defaults;
-	
+
 	p->handle_trigger      = mod_rrd_trigger;
 	p->handle_request_done = mod_rrd_account;
-	
+
 	p->data        = NULL;
-	
+
 	return 0;
 }