389 lines
13 KiB
C
389 lines
13 KiB
C
#include <cmdHandler.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <socket.h>
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#include <logger.h>
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#include <PontCoopScheduler.h>
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#include <wizHelper.h>
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#include <mbusComm.h>
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#include <loopCtrl.h>
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extern const uint8_t CMD_SOCK;
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const uint16_t cmdPort = 23;
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typedef enum {
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CH_INIT,
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CH_LISTEN,
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CH_WAITING,
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CH_BANNER,
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CH_PROMPT,
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CH_RECEIVE,
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CH_DISCONNECT,
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CH_DISCONNECT_WAIT,
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CH_ERROR
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} chState_t;
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typedef bool (*cmdFunc_t)(uint8_t argc, char **args);
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typedef struct {
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bool requiredConfigMode;
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char name[16];
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char help[512];
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cmdFunc_t cmdFunc;
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} cmd_t;
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// clear statistics
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bool clearCmd(uint8_t argc, char **args) {
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t_mbusCommStats zeroedStats = { .requestCnt = 0, .errorCnt = 0 };
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mbusCommSetStats(zeroedStats);
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coloredMsg(LOG_YELLOW, true, "ch cc global statistics cleared");
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return true;
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}
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bool globalStatsCmd(uint8_t argc, char **args) {
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t_mbusCommStats *stats = mbusCommGetStats();
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char buf[256];
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sprintf(buf, \
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"Global statistics\n\r" \
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" Requests: %ld\n\r" \
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" Errors: %ld\n\r",
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stats->requestCnt, stats->errorCnt
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);
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send(CMD_SOCK, (uint8_t*)buf, strlen(buf));
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return true;
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}
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bool mbusCommEnableCmd(uint8_t argc, char **args) {
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bool retCode = true;
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if (argc == 2) {
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if (0 == strcmp("false", args[1])) {
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mbusCommEnable(false);
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coloredMsg(LOG_YELLOW, true, "ch mcec Meterbus communication disabled");
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} else if (0 == strcmp("true", args[1])) {
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mbusCommEnable(true);
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coloredMsg(LOG_YELLOW, true, "ch mcec Meterbus communication enabled");
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} else {
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retCode = false;
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}
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} else {
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retCode = false;
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}
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return retCode;
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}
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bool loopEnableCmd(uint8_t argc, char **args) {
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bool retCode = true;
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if (argc == 2) {
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if (0 == strcmp("false", args[1])) {
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loopDisable();
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coloredMsg(LOG_YELLOW, true, "ch lec loop disabled");
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} else if (0 == strcmp("true", args[1])) {
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loopEnable();
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coloredMsg(LOG_YELLOW, true, "ch lec loop enabled");
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} else {
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retCode = false;
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}
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} else {
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retCode = false;
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}
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return retCode;
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}
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const static cmd_t COMMANDS[] = {
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{ .requiredConfigMode = true, .name = "clear", .cmdFunc = clearCmd,
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.help = \
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"clear ................................ Clears the global Meterbus\n\r" \
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" statistics\n\r" \
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" Required configuration mode\n\r"
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},
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{ .requiredConfigMode = true, .name = "mbusCommEnable", .cmdFunc = mbusCommEnableCmd,
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.help = \
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"mbusCommEnable true|false ............ Enables or disables the Meterbus\n\r" \
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" communication\n\r"
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},
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{ .requiredConfigMode = true, .name = "loopEnable", .cmdFunc = loopEnableCmd,
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.help = \
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"loopEnable true|false ................ Enables or disables the loop.\n\r" \
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" Disable Meterbus communication\n\r" \
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" first if you want to disable the\n\r" \
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" for a longer time, otherwise the\n\r" \
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" request will enable it again\n\r"
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},
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{ .requiredConfigMode = false, .name = "globalStats", .cmdFunc = globalStatsCmd,
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.help = \
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"globalStats .......................... Show the global statistics\n\r" \
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" counters requestCnt and errorCnt\n\r"
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},
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{ .requiredConfigMode = false, .name = "END_OF_CMDS", .help = "",.cmdFunc = NULL }
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};
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// returns 0 to continue waiting for input
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// returns -1 to close the connection
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// returns 1 to toggle to config mode
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// returns 2 to toggle back to default mode
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int8_t cmdExecuteCommand(uint8_t *cmdLine, bool resetConfigMode) {
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const static char HELP_MSG[] = \
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"Usage\n\r" \
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"\n\r" \
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"help ................................. Show this help page\n\r" \
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"quit ................................. Terminate the console session\n\r" \
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"enable ............................... Enable configuration mode\n\r" \
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"disable .............................. Disable configuration mode\n\r" \
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;
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const static char GOODBYE_MSG[] = "Good bye\n\r";
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const static char OK_MSG[] = "OK\n\r";
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const static char FAILED_MSG[] = "Failed\n\r";
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const static char REQUIRES_CONFIG_MODE_MGS[] = "Not executed, requires config mode\n\r";
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uint8_t *messageToSend = NULL;
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static bool configMode = false;
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if (resetConfigMode) {
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configMode = false;
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}
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coloredMsg(LOG_YELLOW, false, "ch cec cmdLine is %s", cmdLine);;
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#define MAX_NUM_OF_ARGS 8
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char *args[MAX_NUM_OF_TASKS];
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uint8_t argc = 0;
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char *inCmdLine = (char*)cmdLine;
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do {
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args[argc++] = strtok(inCmdLine, " ");
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inCmdLine = NULL;
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} while (args[argc - 1] != NULL);
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if (argc > 0) {
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argc--;
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}
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char *cmd = args[0];
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int8_t retCode = 0;
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coloredMsg(LOG_YELLOW, false, "ch cec cmd is %s, number of arguments %d", cmd, argc);
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if (0 == strcmp(cmd, "quit")) {
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messageToSend = (uint8_t*)GOODBYE_MSG;
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retCode = -1;
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} else if (0 == strcmp(cmd, "help")) {
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send(CMD_SOCK, (uint8_t*)HELP_MSG, strlen(HELP_MSG));
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uint8_t cmdIdx = 0;
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while (true) {
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cmd_t command = COMMANDS[cmdIdx];
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if (0 == strcmp("END_OF_CMDS", command.name)) {
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break;
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}
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send(CMD_SOCK, (uint8_t*)command.help, strlen(command.help));
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cmdIdx++;
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}
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messageToSend = NULL;
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} else if (0 == strcmp(cmd, "enable")) {
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coloredMsg(LOG_YELLOW, true, "ch cec enable config mode");
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configMode = true;
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retCode = 1;
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} else if (0 == strcmp(cmd, "disable")) {
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coloredMsg(LOG_YELLOW, true, "ch cec disable config mode");
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configMode = false;
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retCode = 2;
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} else {
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uint8_t cmdIdx = 0;
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while (true) {
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cmd_t command = COMMANDS[cmdIdx];
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if (0 == strcmp("END_OF_CMDS", command.name)) {
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break;
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}
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if (0 == strcmp(cmd, command.name)) {
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if (command.requiredConfigMode && !configMode) {
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messageToSend = (uint8_t*)REQUIRES_CONFIG_MODE_MGS;
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} else {
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messageToSend = command.cmdFunc(argc, args) ? (uint8_t*)OK_MSG : (uint8_t*)FAILED_MSG;
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}
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}
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cmdIdx++;
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}
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}
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if (messageToSend) {
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send(CMD_SOCK, messageToSend, strlen((char*)messageToSend));
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}
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return retCode;
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}
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void cmdHandlerEngine(void *handle) {
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static uint8_t receiveBuffer[256];
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static chState_t state = CH_INIT;
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static bool resetConfigMode = false;
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static char banner[] = \
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"MBGW3\n\r" \
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"Type help for usage help\n\r" \
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"or quit to close the connection.\n\r";
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static char *prompt;
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static char defaultPrompt[] = "MBGW3 # ";
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static char elevatedPrompt[] = "MBGW3 (admin) > ";
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int8_t res = 0;
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uint8_t sockState;
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int32_t resultSend;
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int16_t receivedOctets;
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int32_t resultRecv;
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uint8_t resultDisconnect;
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if (isNetworkAvailable()) {
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switch (state) {
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case CH_INIT:
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coloredMsg(LOG_YELLOW, false, "ch che initializing socket");
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res = socket(CMD_SOCK, Sn_MR_TCP, cmdPort, SF_IO_NONBLOCK);
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coloredMsg(LOG_YELLOW, false, "ch che socket returns %d", res);
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if (res == CMD_SOCK) {
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coloredMsg(LOG_YELLOW, false, "ch che socket is initialized");
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state = CH_LISTEN;
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} else {
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state = CH_ERROR;
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}
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break;
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case CH_LISTEN:
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coloredMsg(LOG_YELLOW, false, "ch che listening");
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res = listen(CMD_SOCK);
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coloredMsg(LOG_YELLOW, false, "ch che listen returns %d", res);
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if (res == SOCK_OK) {
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coloredMsg(LOG_YELLOW, false, "ch che ok, waiting for established");
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state = CH_WAITING;
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} else {
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state = CH_ERROR;
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}
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break;
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case CH_WAITING:
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sockState = getSn_SR(CMD_SOCK);
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if (sockState != SOCK_LISTEN) {
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coloredMsg(LOG_YELLOW, false, "ch che socket state is 0x%02x", sockState);
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}
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if (sockState == SOCK_ESTABLISHED) {
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coloredMsg(LOG_YELLOW, true, "ch che connection is established");
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state = CH_BANNER;
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}
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break;
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case CH_BANNER:
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coloredMsg(LOG_YELLOW, false, "ch che send banner");
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sockState = getSn_SR(CMD_SOCK);
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if (sockState != SOCK_ESTABLISHED) {
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coloredMsg(LOG_YELLOW, true, "ch che sockState is 0x%02x when trying to send banner", sockState);
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state = CH_DISCONNECT;
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} else {
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resultSend = send(CMD_SOCK, (uint8_t*)banner, strlen(banner));
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coloredMsg(LOG_YELLOW, false, "ch che sent banner, send returns 0x%02x", resultSend);
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prompt = defaultPrompt;
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resetConfigMode = true;
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state = CH_PROMPT;
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}
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break;
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case CH_PROMPT:
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coloredMsg(LOG_YELLOW, false, "ch che send prompt");
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sockState = getSn_SR(CMD_SOCK);
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if (sockState != SOCK_ESTABLISHED) {
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coloredMsg(LOG_YELLOW, true, "ch che sockState is 0x%02x when trying to send promt", sockState);
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state = CH_DISCONNECT;
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} else {
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resultSend = send(CMD_SOCK, (uint8_t*)prompt, strlen(prompt));
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coloredMsg(LOG_YELLOW, false, "ch che sent prompt %s, send returns 0x%02x", prompt, resultSend);
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state = CH_RECEIVE;
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}
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break;
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case CH_RECEIVE:
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sockState = getSn_SR(CMD_SOCK);
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if (sockState != SOCK_ESTABLISHED) {
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coloredMsg(LOG_YELLOW, true, "ch che sockState is 0x%02x when trying to receive something", sockState);
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state = CH_DISCONNECT;
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} else {
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receivedOctets = getSn_RX_RSR(CMD_SOCK);
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if (receivedOctets > 0) {
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memset(receiveBuffer, 0, sizeof(receiveBuffer));
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resultRecv = recv(CMD_SOCK, receiveBuffer, sizeof(receiveBuffer));
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coloredMsg(LOG_YELLOW, false, "ch che recv returns 0x%02x", resultRecv);
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if (resultRecv > 0) {
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if ((receiveBuffer[strlen((char*)receiveBuffer) - 1] == 0x0a) ||
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(receiveBuffer[strlen((char*)receiveBuffer) - 1] == 0x0d)) {
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receiveBuffer[strlen((char*)receiveBuffer) - 1] = 0;
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}
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if ((receiveBuffer[strlen((char*)receiveBuffer) - 1] == 0x0a) ||
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(receiveBuffer[strlen((char*)receiveBuffer) - 1] == 0x0d)) {
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receiveBuffer[strlen((char*)receiveBuffer) - 1] = 0;
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}
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coloredMsg(LOG_YELLOW, false, "ch che received: %s", receiveBuffer);
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int8_t resCEC = cmdExecuteCommand(receiveBuffer, resetConfigMode);
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resetConfigMode = false;
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switch (resCEC) {
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case 0:
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state = CH_PROMPT;
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break;
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case -1:
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state = CH_DISCONNECT;
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break;
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case 1:
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prompt = elevatedPrompt;
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state = CH_PROMPT;
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break;
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case 2:
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prompt = defaultPrompt;
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state = CH_PROMPT;
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break;
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}
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}
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}
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}
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break;
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case CH_DISCONNECT:
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coloredMsg(LOG_YELLOW, true, "ch che close our end");
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resultDisconnect = disconnect(CMD_SOCK);
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coloredMsg(LOG_YELLOW, true, "ch che disconnect returns 0x%02x", resultDisconnect);
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state = CH_DISCONNECT_WAIT;
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break;
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case CH_DISCONNECT_WAIT:
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coloredMsg(LOG_YELLOW, false, "ch che waiting after disconnect");
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sockState = getSn_SR(CMD_SOCK);
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coloredMsg(LOG_YELLOW, false, "ch che sockState is 0x%02x", sockState);
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if (sockState == SOCK_CLOSED) {
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coloredMsg(LOG_YELLOW, true, "ch che socket is closed now");
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state = CH_INIT;
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}
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break;
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case CH_ERROR:
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coloredMsg(LOG_YELLOW, true, "ch che error state, will stop here");
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schDel(cmdHandlerEngine, NULL);
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break;
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}
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}
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}
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void cmdHandlerInit() {
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schAdd(cmdHandlerEngine, NULL, 0, 100);
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} |