mirror of https://gerrit.osmocom.org/libosmocore
200 lines
4.4 KiB
C
200 lines
4.4 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <string.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/select.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/fsm.h>
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#include <osmocom/ctrl/control_if.h>
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enum {
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DMAIN,
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};
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static void *g_ctx;
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enum test_fsm_states {
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ST_NULL = 0,
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ST_ONE,
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ST_TWO,
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};
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enum test_fsm_evt {
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EV_A,
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EV_B,
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};
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static void test_fsm_null(struct osmo_fsm_inst *fi, uint32_t event, void *data)
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{
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switch (event) {
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case EV_A:
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OSMO_ASSERT(data == (void *) 23);
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osmo_fsm_inst_state_chg(fi, ST_ONE, 0, 0);
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break;
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default:
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OSMO_ASSERT(0);
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break;
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}
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}
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static void test_fsm_one(struct osmo_fsm_inst *fi, uint32_t event, void *data)
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{
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switch (event) {
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case EV_B:
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OSMO_ASSERT(data == (void *) 42);
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osmo_fsm_inst_state_chg(fi,ST_TWO, 1, 2342);
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break;
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default:
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OSMO_ASSERT(0);
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break;
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}
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}
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static int test_fsm_tmr_cb(struct osmo_fsm_inst *fi)
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{
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OSMO_ASSERT(fi->T == 2342);
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OSMO_ASSERT(fi->state == ST_TWO);
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LOGP(DMAIN, LOGL_INFO, "Timer\n");
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exit(0);
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}
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static struct osmo_fsm_state test_fsm_states[] = {
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[ST_NULL] = {
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.in_event_mask = (1 << EV_A),
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.out_state_mask = (1 << ST_ONE),
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.name = "NULL",
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.action = test_fsm_null,
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},
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[ST_ONE]= {
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.in_event_mask = (1 << EV_B),
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.out_state_mask = (1 << ST_TWO),
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.name = "ONE",
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.action= test_fsm_one,
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},
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[ST_TWO]= {
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.in_event_mask = 0,
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.name = "TWO",
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.action = NULL,
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},
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};
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static struct osmo_fsm fsm = {
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.name = "Test_FSM",
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.states = test_fsm_states,
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.num_states = ARRAY_SIZE(test_fsm_states),
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.log_subsys = DMAIN,
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};
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static struct ctrl_handle *g_ctrl;
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static struct ctrl_cmd *exec_ctrl_cmd(const char *cmdstr)
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{
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struct ctrl_cmd *cmd;
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cmd = ctrl_cmd_exec_from_string(g_ctrl, cmdstr);
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OSMO_ASSERT(cmd);
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return cmd;
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}
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static void assert_cmd_reply(const char *cmdstr, const char *expres)
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{
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struct ctrl_cmd *cmd;
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cmd = exec_ctrl_cmd(cmdstr);
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if (strcmp(cmd->reply, expres)) {
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fprintf(stderr, "Reply '%s' doesn't match expected '%s'\n", cmd->reply, expres);
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OSMO_ASSERT(0);
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}
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talloc_free(cmd);
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}
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static struct osmo_fsm_inst *foo(void)
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{
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struct osmo_fsm_inst *fi;
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struct ctrl_cmd *cmd;
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LOGP(DMAIN, LOGL_INFO, "Checking FSM allocation\n");
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fi = osmo_fsm_inst_alloc(&fsm, g_ctx, NULL, LOGL_DEBUG, "my_id");
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OSMO_ASSERT(fi);
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OSMO_ASSERT(fi->fsm == &fsm);
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OSMO_ASSERT(!strncmp(osmo_fsm_inst_name(fi), fsm.name, strlen(fsm.name)));
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OSMO_ASSERT(fi->state == ST_NULL);
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OSMO_ASSERT(fi->log_level == LOGL_DEBUG);
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assert_cmd_reply("GET 1 fsm.Test_FSM.id.my_id.state", "NULL");
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assert_cmd_reply("GET 1 fsm.Test_FSM.id.my_id.timer", "0,0,0");
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/* Try invalid state transition */
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osmo_fsm_inst_dispatch(fi, EV_B, (void *) 42);
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OSMO_ASSERT(fi->state == ST_NULL);
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assert_cmd_reply("GET 1 fsm.Test_FSM.id.my_id.state", "NULL");
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/* Legitimate state transition */
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osmo_fsm_inst_dispatch(fi, EV_A, (void *) 23);
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OSMO_ASSERT(fi->state == ST_ONE);
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assert_cmd_reply("GET 1 fsm.Test_FSM.id.my_id.state", "ONE");
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/* Legitimate transition with timer */
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fsm.timer_cb = test_fsm_tmr_cb;
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osmo_fsm_inst_dispatch(fi, EV_B, (void *) 42);
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OSMO_ASSERT(fi->state == ST_TWO);
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assert_cmd_reply("GET 1 fsm.Test_FSM.id.my_id.state", "TWO");
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cmd = exec_ctrl_cmd("GET 2 fsm.Test_FSM.id.my_id.dump");
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const char *exp = "'Test_FSM(my_id)','my_id','DEBUG','TWO',2342,timeout_sec=";
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OSMO_ASSERT(!strncmp(cmd->reply, exp, strlen(exp)));
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talloc_free(cmd);
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return fi;
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}
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static const struct log_info_cat default_categories[] = {
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[DMAIN] = {
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.name = "DMAIN",
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.description = "Main",
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.enabled = 1, .loglevel = LOGL_DEBUG,
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},
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};
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static const struct log_info log_info = {
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.cat = default_categories,
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.num_cat = ARRAY_SIZE(default_categories),
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};
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int main(int argc, char **argv)
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{
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struct log_target *stderr_target;
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struct osmo_fsm_inst *finst;
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osmo_fsm_log_addr(false);
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log_init(&log_info, NULL);
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stderr_target = log_target_create_stderr();
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log_add_target(stderr_target);
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log_set_print_filename(stderr_target, 0);
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g_ctrl = ctrl_handle_alloc(NULL, NULL, NULL);
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g_ctx = NULL;
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OSMO_ASSERT(osmo_fsm_find_by_name(fsm.name) == NULL);
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osmo_fsm_register(&fsm);
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OSMO_ASSERT(osmo_fsm_find_by_name(fsm.name) == &fsm);
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OSMO_ASSERT(osmo_fsm_inst_find_by_name(&fsm, "my_id") == NULL);
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finst = foo();
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OSMO_ASSERT(osmo_fsm_inst_find_by_id(&fsm, "my_id") == finst);
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OSMO_ASSERT(osmo_fsm_inst_find_by_name(&fsm, "Test_FSM(my_id)") == finst);
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while (1) {
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osmo_select_main(0);
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}
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osmo_fsm_inst_free(finst);
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osmo_fsm_unregister(&fsm);
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exit(0);
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}
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