diff options
Diffstat (limited to 'tests/libcgrouptest01.c')
| -rw-r--r-- | tests/libcgrouptest01.c | 730 |
1 files changed, 0 insertions, 730 deletions
diff --git a/tests/libcgrouptest01.c b/tests/libcgrouptest01.c index ae7a6aa..2b1fed3 100644 --- a/tests/libcgrouptest01.c +++ b/tests/libcgrouptest01.c @@ -17,31 +17,6 @@ #include "libcgrouptest.h" #include <errno.h> -/* The messages that may be useful to the user */ -char info[][SIZE] = { - " Parameter nullcgroup\n", /* NULLGRP */ - " Parameter commoncgroup\n", /* COMMONGRP */ - " Parameter not created group\n", /* NOTCRTDGRP */ - " Parameter same cgroup\n", /* SAMEGRP */ - " Task found in group/s\n", /* TASKINGRP */ - " Task not found in group/s\n", /* TASKNOTINGRP */ - " Task not found in all groups\n", /* TASKNOTINANYGRP */ - " group found in filesystem\n", /* GRPINFS */ - " group not found in filesystem\n", /* GRPNOTINFS */ - " group found under both controllers\n", /* GRPINBOTHCTLS */ - " group not found under second controller\n", /* GRPNOTIN2NDCTL */ - " group not found under first controller\n", /* GRPNOTIN1STCTL */ - " group modified under both controllers\n", /* GRPMODINBOTHCTLS */ - " group not modified under second controller\n",/* GRPNOTMODIN2NDCTL */ - " group not modified under any controller\n", /* GRPNOTMODINANYCTL */ - " Group deleted from filesystem\n", /* GRPDELETEDINFS */ - " Group not deleted from filesystem\n", /* GRPNOTDELETEDINFS */ - " Group not deleted globally\n", /* GRPNOTDELETEDGLOBALY */ - /* In case there is no extra info messages to be printed */ - "\n", /* NOMESSAGE */ -}; - - int cpu, memory; int fs_mounted; /* We use mountpoint for single mount. @@ -666,223 +641,6 @@ int main(int argc, char *argv[]) return 0; } - -void test_cgroup_init(int retcode, int i) -{ - int retval; - - retval = cgroup_init(); - if (retval == retcode) - message(i, PASS, "init()\t", retval, info[NOMESSAGE]); - else - message(i, FAIL, "init()\t", retval, info[NOMESSAGE]); -} - -void test_cgroup_attach_task(int retcode, struct cgroup *cgrp, - const char *group1, const char *group2, - int k, int i) -{ - int retval; - char tasksfile[FILENAME_MAX], tasksfile2[FILENAME_MAX]; - /* Check, In case some error is expected due to a negative scenario */ - if (retcode) { - retval = cgroup_attach_task(cgrp); - if (retval == retcode) - message(i, PASS, "attach_task()", retval, info[k]); - else - message(i, FAIL, "attach_task()", retval, info[k]); - - return; - } - - /* Now there is no error and it is a genuine call */ - retval = cgroup_attach_task(cgrp); - if (retval == 0) { /* API returned success, so perform check */ - build_path(tasksfile, mountpoint, - group1, "tasks"); - - if (check_task(tasksfile)) { - if (fs_mounted == 2) { /* multiple mounts */ - build_path(tasksfile2, mountpoint2, - group2, "tasks"); - if (check_task(tasksfile2)) { - message(i, PASS, "attach_task()", - retval, info[TASKINGRP]); - } else { - message(i, FAIL, "attach_task()", - retval, info[TASKNOTINANYGRP]); - } - } else { /* single mount */ - message(i, PASS, "attach_task()", - retval, info[TASKINGRP]); - } - } else { - message(i, FAIL, "attach_task()", retval, - info[TASKNOTINGRP]); - } - } else { - message(i, FAIL, "attach_task()", retval, (char *)"\n"); - } -} - - -struct cgroup *create_new_cgroup_ds(int ctl, const char *grpname, - int value_type, struct cntl_val_t cval, struct uid_gid_t ids, int i) -{ - int retval; - char group[FILENAME_MAX]; - char controller_name[FILENAME_MAX], control_file[FILENAME_MAX]; - - strncpy(group, grpname, sizeof(group)); - retval = set_controller(ctl, controller_name, control_file); - if (retval) { - fprintf(stderr, "Setting controller failled\n"); - return NULL; - } - - switch (ctl) { - /* control values are controller specific, so will be set - * accordingly from the config file */ - case CPU: - strncpy(cval.val_string, "260000", sizeof(cval.val_string)); - break; - - case MEMORY: - strncpy(cval.val_string, "7000064", sizeof(cval.val_string)); - break; - - /* To be added for other controllers */ - default: - printf("Invalid controller name passed. Setting control value" - " failed. Dependent tests may fail\n"); - return NULL; - break; - } - - return new_cgroup(group, controller_name, control_file, - value_type, cval, ids, i); -} - - -void test_cgroup_create_cgroup(int retcode, struct cgroup *cgrp, - const char *name, int common, int mpnt, int ign, int i) -{ - int retval; - char path1_group[FILENAME_MAX], path2_group[FILENAME_MAX]; - /* Check, In case some error is expected due to a negative scenario */ - if (retcode) { - retval = cgroup_create_cgroup(cgrp, ign); - if (retval == retcode) - message(i, PASS, "create_cgroup()", retval, - info[NOMESSAGE]); - else - message(i, FAIL, "create_cgroup()", retval, - info[NOMESSAGE]); - - return; - } - - /* Now there is no error and it is a genuine call */ - retval = cgroup_create_cgroup(cgrp, ign); - if (retval) { - message(i, FAIL, "create_cgroup()", retval, info[NOMESSAGE]); - return; - } - - /* Let us now check if the group exist in file system */ - if (!common) { /* group only under one mountpoint */ - if (mpnt == 1) /* group under mountpoint */ - build_path(path1_group, mountpoint, name, NULL); - else /* group under mountpoint2 */ - build_path(path1_group, mountpoint2, name, NULL); - - if (group_exist(path1_group) == 0) - message(i, PASS, "create_cgroup()", retval, - info[GRPINFS]); - else - message(i, FAIL, "create_cgroup()", retval, - info[GRPNOTINFS]); - - } else { /* group under both mountpoints */ - /* Check if the group exists under both controllers */ - build_path(path1_group, mountpoint, name, NULL); - if (group_exist(path1_group) == 0) { - build_path(path2_group, mountpoint2, name, NULL); - - if (group_exist(path2_group) == 0) - message(i, PASS, "create_cgroup()", - retval, info[GRPINBOTHCTLS]); - else - message(i, FAIL, "create_cgroup()", - retval, info[GRPNOTIN2NDCTL]); - } else { - message(i, FAIL, "create_cgroup()", retval, - info[GRPNOTIN1STCTL]); - } - } - - return; -} - -void test_cgroup_delete_cgroup(int retcode, struct cgroup *cgrp, - const char *name, int common, int mpnt, int ign, int i) -{ - int retval; - char path1_group[FILENAME_MAX], path2_group[FILENAME_MAX]; - /* Check, In case some error is expected due to a negative scenario */ - if (retcode) { - retval = cgroup_delete_cgroup(cgrp, ign); - if (retval == retcode) - message(i, PASS, "delete_cgroup()", retval, - info[NOMESSAGE]); - else - message(i, FAIL, "delete_cgroup()", retval, - info[NOMESSAGE]); - - return; - } - - /* Now there is no error and it is a genuine call */ - retval = cgroup_delete_cgroup(cgrp, ign); - if (retval) { - message(i, FAIL, "delete_cgroup()", retval, info[NOMESSAGE]); - return; - } - - /* Let us now check if the group has been deleted from file system */ - if (!common) { /* check only under one mountpoint */ - if (mpnt == 1) /* check group under mountpoint */ - build_path(path1_group, mountpoint, name, NULL); - else /* check group under mountpoint2 */ - build_path(path1_group, mountpoint2, name, NULL); - - if (group_exist(path1_group) == -1) - message(i, PASS, "delete_cgroup()", retval, - info[GRPDELETEDINFS]); - else - message(i, FAIL, "delete_cgroup()", retval, - info[GRPNOTDELETEDINFS]); - - } else { /* check group under both mountpoints */ - /* Check if the group deleted under both controllers */ - build_path(path1_group, mountpoint, name, NULL); - if (group_exist(path1_group) == -1) { - build_path(path2_group, mountpoint2, name, NULL); - - if (group_exist(path2_group) == -1) - message(i, PASS, "delete_cgroup()", - retval, info[GRPDELETEDINFS]); - else - message(i, FAIL, "delete_cgroup()", - retval, info[GRPNOTDELETEDGLOBALY]); - } else { - message(i, FAIL, "delete_cgroup()", retval, - info[GRPNOTDELETEDINFS]); - } - } - -} - void test_cgroup_modify_cgroup(int retcode, struct cgroup *cgrp, const char *name, int which_ctl, int ctl1, int ctl2, int value_type, int i) @@ -994,491 +752,3 @@ void test_cgroup_modify_cgroup(int retcode, struct cgroup *cgrp, return; } - -void get_controllers(const char *name, int *exist) -{ - int hierarchy, num_cgroups, enabled; - FILE *fd; - char subsys_name[FILENAME_MAX]; - fd = fopen("/proc/cgroups", "r"); - if (!fd) - return; - - while (!feof(fd)) { - fscanf(fd, "%s, %d, %d, %d", subsys_name, - &hierarchy, &num_cgroups, &enabled); - if (strncmp(name, subsys_name, sizeof(*name)) == 0) - *exist = 1; - } - - fclose(fd); -} - -static int group_exist(char *path_group) -{ - int ret; - ret = open(path_group, O_DIRECTORY); - if (ret == -1) - return ret; - return 0; -} - -static int set_controller(int controller, char *controller_name, - char *control_file) -{ - switch (controller) { - case MEMORY: - if (memory == 0) - return 1; - - strncpy(controller_name, "memory", FILENAME_MAX); - strncpy(control_file, "memory.limit_in_bytes", FILENAME_MAX); - return 0; - break; - - case CPU: - if (cpu == 0) - return 1; - - strncpy(controller_name, "cpu", FILENAME_MAX); - strncpy(control_file, "cpu.shares", FILENAME_MAX); - return 0; - break; - - case CPUSET: - strncpy(controller_name, "cpuset", FILENAME_MAX); - /* What is the exact control file?? */ - strncpy(control_file, "cpuset.mem_exclusive", FILENAME_MAX); - return 0; - break; - /* Future controllers can be added here */ - - default: - printf("Invalid controller name passed. Setting controller" - " failed. Dependent tests may fail\n"); - return 1; - break; - } -} - -static int group_modified(char *path_control_file, int value_type, - struct cntl_val_t cval) -{ - bool bool_val; - int64_t int64_val; - u_int64_t uint64_val; - char string_val[FILENAME_MAX]; /* Doubt: what should be the size ? */ - FILE *fd; - int error = 1; - - fd = fopen(path_control_file, "r"); - if (!fd) { - fprintf(stderr, "Error in opening %s\n", path_control_file); - fprintf(stderr, "Skipping modified values check....\n"); - return 1; - } - - switch (value_type) { - - case BOOL: - fscanf(fd, "%d", &bool_val); - if (bool_val == cval.val_bool) - error = 0; - break; - case INT64: - fscanf(fd, "%lld", &int64_val); - if (int64_val == cval.val_int64) - error = 0; - break; - case UINT64: - fscanf(fd, "%llu", &uint64_val); - if (uint64_val == cval.val_uint64) - error = 0; - break; - case STRING: - fscanf(fd, "%s", string_val); - if (!strncmp(string_val, cval.val_string, strlen(string_val))) - error = 0; - break; - default: - fprintf(stderr, "Wrong value_type passed " - "in group_modified()\n"); - fprintf(stderr, "Skipping modified values check....\n"); - error = 0; /* Can not report test result as failure */ - break; - } - fclose(fd); - return error; -} -static int add_control_value(struct cgroup_controller *newcontroller, - char *control_file, char *wr, int value_type, struct cntl_val_t cval) -{ - int retval; - - switch (value_type) { - - case BOOL: - retval = cgroup_add_value_bool(newcontroller, - control_file, cval.val_bool); - snprintf(wr, SIZE, "add_value_bool()"); - break; - case INT64: - retval = cgroup_add_value_int64(newcontroller, - control_file, cval.val_int64); - snprintf(wr, SIZE, "add_value_int64()"); - break; - case UINT64: - retval = cgroup_add_value_uint64(newcontroller, - control_file, cval.val_uint64); - snprintf(wr, SIZE, "add_value_uint64()"); - break; - case STRING: - retval = cgroup_add_value_string(newcontroller, - control_file, cval.val_string); - snprintf(wr, SIZE, "add_value_string()"); - break; - default: - printf("ERROR: wrong value in add_control_value()\n"); - return 1; - break; - } - return retval; -} - -struct cgroup *new_cgroup(char *group, char *controller_name, - char *control_file, int value_type, - struct cntl_val_t cval, struct uid_gid_t ids, int i) -{ - int retval; - char wr[SIZE]; /* Names of wrapper apis */ - struct cgroup *newcgroup; - struct cgroup_controller *newcontroller; - - newcgroup = cgroup_new_cgroup(group); - - if (newcgroup) { - retval = cgroup_set_uid_gid(newcgroup, ids.tasks_uid, - ids.tasks_gid, ids.control_uid, ids.control_gid); - - if (retval) { - snprintf(wr, SIZE, "set_uid_gid()"); - message(i++, FAIL, wr, retval, info[NOMESSAGE]); - } - - newcontroller = cgroup_add_controller(newcgroup, - controller_name); - if (newcontroller) { - retval = add_control_value(newcontroller, - control_file, wr, value_type, cval); - - if (!retval) { - message(i++, PASS, "new_cgroup()", - retval, info[NOMESSAGE]); - } else { - message(i++, FAIL, wr, retval, - info[NOMESSAGE]); - return NULL; - } - } else { - /* Since these wrappers do not return an int so -1 */ - message(i++, FAIL, "add_controller", -1, - info[NOMESSAGE]); - return NULL; - } - } else { - message(i++, FAIL, "new_cgroup", -1, info[NOMESSAGE]); - return NULL; - } - return newcgroup; -} - -int check_fsmounted(int multimnt) -{ - int count = 0; - struct mntent *entry, *tmp_entry = NULL; - /* Need a better mechanism to decide memory allocation size here */ - char entry_buffer[FILENAME_MAX * 4]; - FILE *proc_file = NULL; - int ret = 1; - - tmp_entry = (struct mntent *) malloc(sizeof(struct mntent)); - if (!tmp_entry) { - perror("Error: failled to mallloc for mntent\n"); - ret = 1; - goto error; - } - - proc_file = fopen("/proc/mounts", "r"); - if (!proc_file) { - printf("Error in opening /proc/mounts.\n"); - ret = errno; - goto error; - } - while ((entry = getmntent_r(proc_file, tmp_entry, entry_buffer, - FILENAME_MAX*4)) != NULL) { - if (!strncmp(entry->mnt_type, "cgroup", strlen("cgroup"))) { - count++; - if (multimnt) { - if (count >= 2) { - printf("sanity check pass. %s\n", - entry->mnt_type); - ret = 0; - goto error; - } - } else { - printf("sanity check pass. %s\n", - entry->mnt_type); - ret = 0; - goto error; - } - } - } -error: - if (tmp_entry) - free(tmp_entry); - if (proc_file) - fclose(proc_file); - return ret; -} - -static int check_task(char *tasksfile) -{ - FILE *file; - pid_t curr_tid, tid; - int pass = 0; - - file = fopen(tasksfile, "r"); - if (!file) { - printf("ERROR: in opening %s\n", tasksfile); - printf("Exiting without running other testcases in this set\n"); - exit(1); - } - - curr_tid = cgrouptest_gettid(); - while (!feof(file)) { - fscanf(file, "%u", &tid); - if (tid == curr_tid) { - pass = 1; - break; - } - } - fclose(file); - - return pass; -} - -static inline void message(int num, int pass, const char *api, - int retval, char *extra) -{ - char res[10]; - char buf[2*SIZE]; - if (pass) - strncpy(res, "PASS :", 10); - else - strncpy(res, "FAIL :", 10); - - /* Populate message buffer for the api */ - snprintf(buf, sizeof(buf), "cgroup_%s\t\t Ret Value = ", api); - fprintf(stdout, "TEST%2d:%s %s%d\t%s", num, res, buf, retval, extra); -} - -/* builds the path to target file/group */ -static inline void build_path(char *target, char *mountpoint, - const char *group, const char *file) -{ - strncpy(target, mountpoint, FILENAME_MAX); - - if (group) { - strncat(target, "/", FILENAME_MAX - strlen(target)); - strncat(target, group, FILENAME_MAX - strlen(target)); - } - - if (file) { - strncat(target, "/", FILENAME_MAX - strlen(target)); - strncat(target, file, FILENAME_MAX - strlen(target)); - } -} - -void test_cgroup_compare_cgroup(int ctl1, int ctl2, int i) -{ - int retval; - - struct cntl_val_t cval; - cval.val_int64 = 0; - cval.val_uint64 = 0; - cval.val_bool = 0; - strcpy(cval.val_string, "5000"); - - struct cgroup *cgroup1, *cgroup2; - struct cgroup_controller *controller; - char controller_name[FILENAME_MAX], control_file[FILENAME_MAX]; - char wr[SIZE], extra[] = "in cgroup_compare_cgroup"; - - retval = cgroup_compare_cgroup(NULL, NULL); - if (retval) - message(i++, PASS, "compare_cgroup()", retval, info[NULLGRP]); - else - message(i++, FAIL, "compare_cgroup()", retval, info[NULLGRP]); - - cgroup1 = cgroup_new_cgroup("testgroup"); - cgroup2 = cgroup_new_cgroup("testgroup"); - cgroup_set_uid_gid(cgroup1, 0, 0, 0, 0); - cgroup_set_uid_gid(cgroup2, 0, 0, 0, 0); - - retval = set_controller(ctl1, controller_name, control_file); - - controller = cgroup_add_controller(cgroup1, controller_name); - if (controller) { - retval = add_control_value(controller, - control_file, wr, STRING, cval); - if (retval) - message(i++, FAIL, wr, retval, extra); - } - - controller = cgroup_add_controller(cgroup2, controller_name); - if (controller) { - retval = add_control_value(controller, - control_file, wr, STRING, cval); - if (retval) - message(i++, FAIL, wr, retval, extra); - } - - retval = cgroup_compare_cgroup(cgroup1, cgroup2); - if (retval) - message(i++, FAIL, "compare_cgroup()", retval, info[NOMESSAGE]); - else - message(i++, PASS, "compare_cgroup()", retval, info[NOMESSAGE]); - - /* Test the api by putting diff number of controllers in cgroups */ - retval = set_controller(ctl2, controller_name, control_file); - controller = cgroup_add_controller(cgroup2, controller_name); - if (controller) { - retval = add_control_value(controller, - control_file, wr, STRING, cval); - if (retval) - message(i++, FAIL, wr, retval, extra); - } - - retval = cgroup_compare_cgroup(cgroup1, cgroup2); - if (retval == ECGROUPNOTEQUAL) - message(i++, PASS, "compare_cgroup()", retval, info[NOMESSAGE]); - else - message(i++, FAIL, "compare_cgroup()", retval, info[NOMESSAGE]); - - cgroup_free(&cgroup1); - cgroup_free(&cgroup2); -} - -void test_cgroup_get_cgroup(int ctl1, int ctl2, struct uid_gid_t ids, int i) -{ - struct cgroup *cgroup_filled = NULL, *cgroup_a = NULL, *cgroup_b = NULL; - struct cgroup_controller *controller = NULL; - char controller_name[FILENAME_MAX], control_file[FILENAME_MAX]; - struct cntl_val_t cval = {0, 0, 0, "5000"}; - int ret; - - /* - * No need to test the next 3 scenarios again for Multimnt - * so testing them only under single mount - */ - if (fs_mounted == FS_MOUNTED) { - /* 1. Test with nullcgroup first */ - ret = cgroup_get_cgroup(NULL); - if (ret == ECGROUPNOTALLOWED) - message(i++, PASS, "get_cgroup()", ret, info[NULLGRP]); - else - message(i++, FAIL, "get_cgroup()", ret, info[NULLGRP]); - - /* 2. Test with invalid name filled cgroup(non existing) */ - cgroup_filled = cgroup_new_cgroup("nogroup"); - if (!cgroup_filled) - message(i++, FAIL, "new_cgroup()", 0, info[NOMESSAGE]); - - ret = cgroup_get_cgroup(cgroup_filled); - if (ret) - message(i++, PASS, "get_cgroup()", ret, - info[NOTCRTDGRP]); - else - message(i++, FAIL, "get_cgroup()", ret, - info[NOTCRTDGRP]); - cgroup_free(&cgroup_filled); - - /* 3. - * Test with name filled cgroup. Ensure the group group1 exists - * in the filesystem before calling this test function - */ - cgroup_filled = cgroup_new_cgroup("group1"); - if (!cgroup_filled) - message(i++, FAIL, "new_cgroup()", 0, info[NOMESSAGE]); - - ret = cgroup_get_cgroup(cgroup_filled); - if (!ret) - message(i++, PASS, "get_cgroup()", ret, - info[NOMESSAGE]); - else - message(i++, FAIL, "get_cgroup()", ret, - info[NOMESSAGE]); - } - - /* MULTIMOUNT: Create, get and compare a cgroup under both mounts */ - - /* get cgroup_a ds and create group_a in filesystem */ - cgroup_a = create_new_cgroup_ds(ctl1, "group_a", STRING, cval, ids, 0); - if (fs_mounted == FS_MULTI_MOUNTED) { - /* Create under another controller also */ - ret = set_controller(ctl2, controller_name, control_file); - controller = cgroup_add_controller(cgroup_a, controller_name); - } - test_cgroup_create_cgroup(0, cgroup_a, "group_a", 0, 1, 1, 00); - - /* create group_b ds to be filled by cgroup_get_cgroup */ - cgroup_b = cgroup_new_cgroup("group_a"); - if (!cgroup_b) - message(i++, FAIL, "new_cgroup()", 0, info[NOMESSAGE]); - /* Fill the ds and compare the two */ - ret = cgroup_get_cgroup(cgroup_b); - if (!ret) { - ret = cgroup_compare_cgroup(cgroup_a, cgroup_b); - if (ret == 0) - message(i++, PASS, "get_cgroup()", ret, info[SAMEGRP]); - else - message(i++, FAIL, "get_cgroup()", ret, - info[NOMESSAGE]); - } else { - message(i++, FAIL, "get_cgroup()", ret, info[NOMESSAGE]); - } - - cgroup_free(&cgroup_a); - cgroup_free(&cgroup_b); - cgroup_free(&cgroup_filled); -} - -void test_cgroup_add_free_controller(int i) -{ - struct cgroup *cgroup1 = NULL, *cgroup2 = NULL; - struct cgroup_controller *cgctl1, *cgctl2; - - /* Test with a Null cgroup */ - cgctl1 = cgroup_add_controller(cgroup1, "cpu"); - if (!cgctl1) - message(i++, PASS, "add_controller()", 0, info[NOMESSAGE]); - else - message(i++, FAIL, "add_controller()", -1, info[NOMESSAGE]); - - cgroup1 = cgroup_new_cgroup("testgroup"); - cgctl1 = cgroup_add_controller(cgroup1, "cpuset"); - if (cgctl1) - message(i++, PASS, "add_controller()", 0, info[NOMESSAGE]); - else - message(i++, FAIL, "add_controller()", -1, info[NOMESSAGE]); - - cgctl2 = cgroup_add_controller(cgroup1, "cpu"); - if (cgctl2) - message(i++, PASS, "add_controller()", 0, info[NOMESSAGE]); - else - message(i++, FAIL, "add_controller()", -1, info[NOMESSAGE]); - - cgroup_free(&cgroup1); - cgroup_free_controllers(cgroup2); - -} |