AppFS
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Comment:Reduced redundant code
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SHA1: 041086f3fbf180deb7f0498bef34df357e0ac12f
User & Date: rkeene on 2014-09-10 04:01:07
Other Links: manifest | tags
Context
2014-09-10
04:02
Reorganized check-in: 1f01cf90b5 user: rkeene tags: trunk
04:01
Reduced redundant code check-in: 041086f3fb user: rkeene tags: trunk
2014-09-09
08:23
Added a default time to psuedo entries check-in: ef5acff5c9 user: rkeene tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified appfs.c from [799a556739] to [3c07efd857].

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	type *obj, *next; \
	for (obj = head; obj; obj = next) { \
		next = obj->_next; \
		ckfree((void *) obj); \
	} \
}

appfs_free_list_type(site, struct appfs_site)
appfs_free_list_type(package, struct appfs_package)
appfs_free_list_type(children, struct appfs_children)

static int appfs_getsites_cb(void *_head, int columns, char **values, char **names) {
	struct appfs_site **head_p, *obj;

	head_p = _head;

	obj = (void *) ckalloc(sizeof(*obj));
	snprintf(obj->name, sizeof(obj->name), "%s", values[0]);

	if (*head_p == NULL) {
		obj->counter = 0;
	} else {
		obj->counter = (*head_p)->counter + 1;
	}

	obj->_next = *head_p;
	*head_p = obj;

	return(0);
}

static struct appfs_site *appfs_getsites(int *site_count_p) {
	struct appfs_site *head = NULL;
	int sqlite_ret;

	if (site_count_p == NULL) {
		return(NULL);
	}

	sqlite_ret = sqlite3_exec(globalThread.db, "SELECT DISTINCT hostname FROM packages;", appfs_getsites_cb, &head, NULL);
	if (sqlite_ret != SQLITE_OK) {
		APPFS_DEBUG("Call to sqlite3_exec failed.");

		return(NULL);
	}

	if (head != NULL) {
		*site_count_p = head->counter + 1;
	}

	return(head);
}

static int appfs_getindex_cb(void *_head, int columns, char **values, char **names) {
	struct appfs_package **head_p, *obj;

	head_p = _head;

	obj = (void *) ckalloc(sizeof(*obj));

	snprintf(obj->name, sizeof(obj->name), "%s", values[0]);
	snprintf(obj->version, sizeof(obj->version), "%s", values[1]);
	snprintf(obj->sha1, sizeof(obj->sha1), "%s", values[2]);
	obj->os = appfs_convert_os_fromString(values[3]);
	obj->cpuArch = appfs_convert_cpuArch_fromString(values[4]);
	snprintf(obj->os_str, sizeof(obj->os_str), "%s", values[3]);
	snprintf(obj->cpuArch_str, sizeof(obj->cpuArch_str), "%s", values[4]);
	if (values[5][0] == '1') {
		obj->isLatest = 1;
	} else {
		obj->isLatest = 0;
	}

	if (*head_p == NULL) {
		obj->counter = 0;
	} else {
		obj->counter = (*head_p)->counter + 1;
	}

	obj->_next = *head_p;
	*head_p = obj;

	return(0);
}

static struct appfs_package *appfs_getindex(const char *hostname, int *package_count_p) {
	struct appfs_package *head = NULL;
	char *sql;
	int sqlite_ret;

	if (package_count_p == NULL) {
		return(NULL);
	}

	appfs_update_index(hostname);

	sql = sqlite3_mprintf("SELECT package, version, sha1, os, cpuArch, isLatest FROM packages WHERE hostname = %Q;", hostname);
	if (sql == NULL) {
		APPFS_DEBUG("Call to sqlite3_mprintf failed.");

		return(NULL);
	}

	sqlite_ret = sqlite3_exec(globalThread.db, sql, appfs_getindex_cb, &head, NULL);
	sqlite3_free(sql);

	if (sqlite_ret != SQLITE_OK) {
		APPFS_DEBUG("Call to sqlite3_exec failed.");

		return(NULL);
	}

	if (head != NULL) {
		*package_count_p = head->counter + 1;
	}

	return(head);
}

static int appfs_getchildren_cb(void *_head, int columns, char **values, char **names) {
	struct appfs_children **head_p, *obj;

	head_p = _head;

	obj = (void *) ckalloc(sizeof(*obj));









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	type *obj, *next; \
	for (obj = head; obj; obj = next) { \
		next = obj->_next; \
		ckfree((void *) obj); \
	} \
}



appfs_free_list_type(children, struct appfs_children)













































































































static int appfs_getchildren_cb(void *_head, int columns, char **values, char **names) {
	struct appfs_children **head_p, *obj;

	head_p = _head;

	obj = (void *) ckalloc(sizeof(*obj));
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	if (head != NULL) {
		*children_count_p = head->counter + 1;
	}

	return(head);
}

















































































static int appfs_lookup_package_hash_cb(void *_retval, int columns, char **values, char **names) {
	char **retval = _retval;

	*retval = strdup(values[0]);

	return(0);








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	if (head != NULL) {
		*children_count_p = head->counter + 1;
	}

	return(head);
}

struct appfs_sqlite3_query_cb_handle {
	struct appfs_children *head;
	int argc;
	const char *fmt;
};

static int appfs_sqlite3_query_cb(void *_cb_handle, int columns, char **values, char **names) {
	struct appfs_sqlite3_query_cb_handle *cb_handle;
	struct appfs_children *obj;

	cb_handle = _cb_handle;

	obj = (void *) ckalloc(sizeof(*obj));

	switch (cb_handle->argc) {
		case 1:
			snprintf(obj->name, sizeof(obj->name), cb_handle->fmt, values[0]);
			break;
		case 2:
			snprintf(obj->name, sizeof(obj->name), cb_handle->fmt, values[0], values[1]);
			break;
		case 3:
			snprintf(obj->name, sizeof(obj->name), cb_handle->fmt, values[0], values[1], values[2]);
			break;
		case 4:
			snprintf(obj->name, sizeof(obj->name), cb_handle->fmt, values[0], values[1], values[2], values[3]);
			break;
	}

	if (cb_handle->head == NULL) {
		obj->counter = 0;
	} else {
		obj->counter = cb_handle->head->counter + 1;
	}

	obj->_next = cb_handle->head;
	cb_handle->head = obj;

	return(0);
}

static struct appfs_children *appfs_sqlite3_query(char *sql, int argc, const char *fmt, int *results_count_p) {
	struct appfs_sqlite3_query_cb_handle cb_handle;
	int sqlite_ret;

	if (results_count_p == NULL) {
		return(NULL);
	}

	if (sql == NULL) {
		APPFS_DEBUG("Call to sqlite3_mprintf probably failed.");

		return(NULL);
	}

	if (fmt == NULL) {
		fmt = "%s";
	}

	cb_handle.head = NULL;
	cb_handle.argc = argc;
	cb_handle.fmt  = fmt;

	APPFS_DEBUG("SQL: %s", sql);
	sqlite_ret = sqlite3_exec(globalThread.db, sql, appfs_sqlite3_query_cb, &cb_handle, NULL);
	sqlite3_free(sql);

	if (sqlite_ret != SQLITE_OK) {
		APPFS_DEBUG("Call to sqlite3_exec failed.");

		return(NULL);
	}

	if (cb_handle.head != NULL) {
		*results_count_p = cb_handle.head->counter + 1;
	}

	return(cb_handle.head);
}

static int appfs_lookup_package_hash_cb(void *_retval, int columns, char **values, char **names) {
	char **retval = _retval;

	*retval = strdup(values[0]);

	return(0);
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	if (pathinfo->type == APPFS_PATHTYPE_INVALID) {
		return(-ENOENT);
	}

	return(0);
}





























/* Get information about a path, and optionally list children */
static int appfs_get_path_info(const char *_path, struct appfs_pathinfo *pathinfo, struct appfs_children **children) {
	struct appfs_site *sites, *site;
	struct appfs_children *node, *dir_children;
	struct appfs_package *packages, *package;
	appfs_os_t os_val;
	appfs_cpuArch_t cpuArch_val;
	char *hostname, *packagename, *os_cpuArch, *os, *cpuArch, *version;
	char *path, *path_s;
	char *package_hash;

	int sites_count, packages_count, os_cpuArch_count, version_count, files_count;
	int fileinfo_ret;

	if (children) {
		*children = NULL;
	}

	if (_path == NULL) {
		return(-ENOENT);
	}

	if (_path[0] != '/') {
		return(-ENOENT);
	}

	if (_path[1] == '\0') {
		/* Request for the root directory */

		sites = appfs_getsites(&sites_count);






		pathinfo->type = APPFS_PATHTYPE_DIRECTORY;
		pathinfo->typeinfo.dir.childcount = sites_count;
		pathinfo->hostname[0] = '\0';
		pathinfo->time = globalThread.boottime;

		if (children) {
			for (site = sites; site; site = site->_next) {
				node = (void *) ckalloc(sizeof(*node));
				node->_next = *children;
				strcpy(node->name, site->name);
				*children = node;
			}
		}

		appfs_free_list_site(sites);

		return(0);
	}

	path = strdup(_path);
	path_s = path;

	hostname = path + 1;
	packagename = strchr(hostname, '/');

	if (packagename != NULL) {
		*packagename = '\0';
		packagename++;
	}

	snprintf(pathinfo->hostname, sizeof(pathinfo->hostname), "%s", hostname);


	packages = appfs_getindex(hostname, &packages_count);

	if (packages == NULL || packages_count == 0) {
		APPFS_DEBUG("Unable to fetch package index from %s", hostname);

		free(path_s);

		return(-ENOENT);
	}

	if (packagename == NULL) {
		/* Request for a single hostname */
		pathinfo->type = APPFS_PATHTYPE_DIRECTORY;
		pathinfo->typeinfo.dir.childcount = packages_count;
		pathinfo->time = globalThread.boottime;

		if (children) {
			for (package = packages; package; package = package->_next) {
				node = (void *) ckalloc(sizeof(*node));
				node->_next = *children;
				strcpy(node->name, package->name);
				*children = node;
			}
		}

		appfs_free_list_package(packages);

		free(path_s);

		return(0);
	}

	os_cpuArch = strchr(packagename, '/');
	if (os_cpuArch == NULL) {
		/* Request for OS and CPU Arch for a specific package */
		pathinfo->type = APPFS_PATHTYPE_DIRECTORY;
		pathinfo->time = globalThread.boottime;

		os_cpuArch_count = 0;
		for (package = packages; package; package = package->_next) {
			if (strcmp(package->name, packagename) != 0) {
				APPFS_DEBUG("Skipping package named \"%s\", does not match requested package: \"%s\"", package->name, packagename);

				continue;
			}

			os_cpuArch_count++;

			if (children) {
				node = (void *) ckalloc(sizeof(*node));
				node->_next = *children;
				snprintf(node->name, sizeof(node->name), "%s-%s", package->os_str, package->cpuArch_str);
				*children = node;
			}
		}

		appfs_free_list_package(packages);

		free(path_s);

		pathinfo->typeinfo.dir.childcount = os_cpuArch_count;

		return(0);
	}

	*os_cpuArch = '\0';
	os_cpuArch++;

	version = strchr(os_cpuArch, '/');

	if (version != NULL) {
		*version = '\0';
		version++;
	}








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	if (pathinfo->type == APPFS_PATHTYPE_INVALID) {
		return(-ENOENT);
	}

	return(0);
}

static int appfs_get_path_info_sql(char *sql, int argc, const char *fmt, struct appfs_pathinfo *pathinfo, struct appfs_children **children) {
	struct appfs_children *node, *dir_children, *dir_child;
	int dir_children_count = 0;

	dir_children = appfs_sqlite3_query(sql, argc, fmt, &dir_children_count);

	if (dir_children == NULL || dir_children_count == 0) {
		return(-ENOENT);
	}

	/* Request for a single hostname */
	pathinfo->type = APPFS_PATHTYPE_DIRECTORY;
	pathinfo->typeinfo.dir.childcount = dir_children_count;
	pathinfo->time = globalThread.boottime;

	if (children) {
		for (dir_child = dir_children; dir_child; dir_child = dir_child->_next) {
			node = (void *) ckalloc(sizeof(*node));
			node->_next = *children;
			strcpy(node->name, dir_child->name);
			*children = node;
		}
	}

	appfs_free_list_children(dir_children);

	return(0);
}
/* Get information about a path, and optionally list children */
static int appfs_get_path_info(const char *_path, struct appfs_pathinfo *pathinfo, struct appfs_children **children) {

	struct appfs_children *dir_children;

	appfs_os_t os_val;
	appfs_cpuArch_t cpuArch_val;
	char *hostname, *packagename, *os_cpuArch, *os, *cpuArch, *version;
	char *path, *path_s;
	char *package_hash;
	char *sql;
	int files_count;
	int fileinfo_ret, retval;

	if (children) {
		*children = NULL;
	}

	if (_path == NULL) {
		return(-ENOENT);
	}

	if (_path[0] != '/') {
		return(-ENOENT);
	}

	if (_path[1] == '\0') {
		/* Request for the root directory */
		pathinfo->hostname[0] = '\0';

		sql = sqlite3_mprintf("SELECT DISTINCT hostname FROM packages;");

		retval = appfs_get_path_info_sql(sql, 1, NULL, pathinfo, children);

		/* The root directory always exists, even if it has no subordinates */
		if (retval != 0) {
			pathinfo->type = APPFS_PATHTYPE_DIRECTORY;
			pathinfo->typeinfo.dir.childcount = 0;

			pathinfo->time = globalThread.boottime;






			retval = 0;
		}




		return(retval);
	}

	path = strdup(_path);
	path_s = path;

	hostname = path + 1;
	packagename = strchr(hostname, '/');

	if (packagename != NULL) {
		*packagename = '\0';
		packagename++;
	}

	snprintf(pathinfo->hostname, sizeof(pathinfo->hostname), "%s", hostname);

	if (packagename == NULL) {
		appfs_update_index(hostname);


		sql = sqlite3_mprintf("SELECT DISTINCT package FROM packages WHERE hostname = %Q;", hostname);

		free(path_s);

		return(appfs_get_path_info_sql(sql, 1, NULL, pathinfo, children));
	}

	os_cpuArch = strchr(packagename, '/');













	if (os_cpuArch != NULL) {

		*os_cpuArch = '\0';

		os_cpuArch++;

	}


	if (os_cpuArch == NULL) {



		appfs_update_index(hostname);







		sql = sqlite3_mprintf("SELECT DISTINCT os, cpuArch FROM packages WHERE hostname = %Q AND package = %Q;", hostname, packagename);












		free(path_s);


		return(appfs_get_path_info_sql(sql, 2, "%s-%s", pathinfo, children));

	}




	version = strchr(os_cpuArch, '/');

	if (version != NULL) {
		*version = '\0';
		version++;
	}
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		cpuArch_val = APPFS_CPU_UNKNOWN;
	}

	os_val = appfs_convert_os_fromString(os);

	if (version == NULL) {
		/* Request for version list for a package on an OS/CPU */
		pathinfo->type = APPFS_PATHTYPE_DIRECTORY;
		pathinfo->time = globalThread.boottime;

		version_count = 0;
		for (package = packages; package; package = package->_next) {
			if (strcmp(package->name, packagename) != 0) {
				APPFS_DEBUG("Skipping package named \"%s\", does not match requested package: \"%s\"", package->name, packagename);

				continue;
			}

			if (package->os != os_val) {
				continue;
			}

			if (package->cpuArch != cpuArch_val) {
				continue;
			}

			version_count++;

			if (children) {
				node = (void *) ckalloc(sizeof(*node));
				node->_next = *children;
				strcpy(node->name, package->version);
				*children = node;
			}
		}

		appfs_free_list_package(packages);

		free(path_s);

		pathinfo->typeinfo.dir.childcount = version_count;

		return(0);
	}

	appfs_free_list_package(packages);

	path = strchr(version, '/');
	if (path == NULL) {
		path = "";
	} else {
		*path = '\0';
		path++;
	}








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		cpuArch_val = APPFS_CPU_UNKNOWN;
	}

	os_val = appfs_convert_os_fromString(os);

	if (version == NULL) {
		/* Request for version list for a package on an OS/CPU */


		appfs_update_index(hostname);







		sql = sqlite3_mprintf("SELECT DISTINCT version FROM packages WHERE hostname = %Q AND package = %Q AND os = %Q and cpuArch = %Q;", hostname, packagename, os, cpuArch);




















		free(path_s);


		return(appfs_get_path_info_sql(sql, 1, NULL, pathinfo, children));

	}



	path = strchr(version, '/');
	if (path == NULL) {
		path = "";
	} else {
		*path = '\0';
		path++;
	}
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	if (package_hash == NULL) {
		free(path_s);

		return(-ENOENT);
	}

	APPFS_DEBUG("  ... which hash a hash of %s", package_hash);



	if (strcmp(path, "") == 0) {
		pathinfo->type = APPFS_PATHTYPE_DIRECTORY;
		pathinfo->time = globalThread.boottime;
	} else {
		fileinfo_ret = appfs_getfileinfo(hostname, package_hash, path, pathinfo);
		if (fileinfo_ret != 0) {








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	if (package_hash == NULL) {
		free(path_s);

		return(-ENOENT);
	}

	APPFS_DEBUG("  ... which hash a hash of %s", package_hash);

	appfs_update_manifest(hostname, package_hash);

	if (strcmp(path, "") == 0) {
		pathinfo->type = APPFS_PATHTYPE_DIRECTORY;
		pathinfo->time = globalThread.boottime;
	} else {
		fileinfo_ret = appfs_getfileinfo(hostname, package_hash, path, pathinfo);
		if (fileinfo_ret != 0) {
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