Fri, 20 Mar 2015 16:56:07 +0100
Added support for all 1-wire temperature sensors that are in the Linux kernel source.
/***************************************************************************** * Copyright (C) 2008-2015 * * Michiel Broek <mbroek at mbse dot eu> * * This file is part of the mbsePi-apps * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * mbsePi-apps is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with ThermFerm; see the file COPYING. If not, write to the Free * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *****************************************************************************/ #include "rdconfig.h" #include "thermferm.h" #include "logger.h" #include "devices.h" #include "server.h" #include "lcd-buffer.h" #include "xutil.h" extern int my_shutdown; extern int debug; extern int run_pause; extern int run_hold; extern sys_config Config; extern const char UNITMODE[5][8]; extern const char TEMPSTATE[3][8]; extern const char DEVTYPE[8][6]; extern const char DEVPRESENT[4][6]; extern const char DEVDIR[7][11]; extern const char PROFSTATE[5][6]; int s; /* connected socket */ int ls; /* listen socket */ struct sockaddr_in myaddr_in; /* for local socket address */ struct sockaddr_in peeraddr_in; /* for peer socket address */ struct hostent *hp; #define SS_BUFSIZE 1024 #define SS_TIMEOUT 300 #define MAX_INTERVALS 6 const int GRAPH_INTERVAL[MAX_INTERVALS] = { 0, 1, 5, 15, 30, 60, }; const int GRAPH_DATALINES[MAX_INTERVALS] = { 0, 800, 3200, 12000, 24000, 48000, }; const char MONTH[12][4] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; typedef struct _ls_list { struct _ls_list *next; /* Next record pointer */ char d_name[256]; /* File name */ mode_t mode; /* File mode */ off_t size; /* File size */ time_t mtime; /* File modification time */ } ls_list; void tidy_lslist(ls_list **); void fill_list(ls_list **, char *, mode_t, off_t, time_t); int comp(ls_list **,ls_list **); void sort_list(ls_list **); /* * Send message to client */ int srv_send(const char *format, ...) { char out[SS_BUFSIZE]; va_list va_ptr; if (s == -1) return -1; va_start(va_ptr, format); vsnprintf(out, SS_BUFSIZE-1, format, va_ptr); va_end(va_ptr); if (debug) { syslog(LOG_NOTICE, "send: \"%s\"", out); fprintf(stdout, "send: \"%s\"\n", out); } if (send(s, out, strlen(out), 0) != strlen(out)) { syslog(LOG_NOTICE, "srv_send failed"); return -1; } if (send(s, (char *)"\r\n", 2, 0) != 2) { syslog(LOG_NOTICE, "srv_send failed"); return -1; } return 0; } /* * Update the device inuse counter. */ void device_count(int plus, char *uuid) { devices_list *device; for (device = Config.devices; device; device = device->next) { if (strcmp(device->uuid, uuid) == 0) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif if (plus == TRUE) { device->inuse++; } else { if (device->inuse) device->inuse--; } #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif } } } int delete_Profile(char *uuid) { profiles_list *current = Config.profiles; profiles_list *previous = NULL; prof_step *step, *olds; while (current) { if (strcmp(current->uuid, uuid) == 0) { if (previous == NULL) { Config.profiles = current->next; free(current->uuid); current->uuid = NULL; free(current->name); current->name = NULL; if (current->steps) { for (step = current->steps; step; step = olds) { olds = step->next; free(step); } current->steps = NULL; } free(current); return 1; } else { free(current->uuid); current->uuid = NULL; free(current->name); current->name = NULL; if (current->steps) { for (step = current->steps; step; step = olds) { olds = step->next; free(step); } current->steps = NULL; } previous->next = current->next; free(current); current = previous->next; return 1; } } else { previous = current; current = current->next; } } return 0; } void tidy_lslist(ls_list **lap) { ls_list *tmp, *old; for (tmp = *lap; tmp; tmp = old) { old = tmp->next; free(tmp); } *lap = NULL; } void fill_list(ls_list **lap, char *name, mode_t mode, off_t size, time_t mtime) { ls_list **tmp; for (tmp = lap; *tmp; tmp = &((*tmp)->next)); *tmp = (ls_list *)malloc(sizeof(ls_list)); (*tmp)->next = NULL; strncpy((*tmp)->d_name, name, 256); (*tmp)->mode = mode; (*tmp)->size = size; (*tmp)->mtime = mtime; tmp = &((*tmp)->next); } void sort_list(ls_list **lap) { ls_list *ta, **vector; size_t n = 0, i; if (*lap == NULL) return; for (ta = *lap; ta; ta = ta->next) n++; vector = (ls_list **)malloc(n * sizeof(ls_list *)); i = 0; for (ta = *lap; ta; ta = ta->next) { vector[i++] = ta; } qsort(vector, n, sizeof(ls_list *), (int(*)(const void*, const void*))comp); (*lap) = vector[0]; i = 1; for (ta = *lap; ta; ta = ta->next) { if (i < n) ta->next = vector[i++]; else ta->next = NULL; } free(vector); return; } int comp(ls_list **lsp1, ls_list **lsp2) { return strcmp((*lsp1)->d_name, (*lsp2)->d_name); } /* * ARCHIVE DIR * ARCHIVE GET filename * ARCHIVE LOG filename * ARCHIVE HELP */ int cmd_archive(char *buf) { char *opt, *param, *name = NULL, *filename = NULL, mbits[11], tstr[24]; DIR *dd; FILE *fp; struct dirent entry, *result; ls_list *lsx = NULL, *tmp; struct stat sbuf; struct tm *tbuf; time_t ftime; opt = strtok(buf, " \0"); opt = strtok(NULL, " \0"); if (opt == NULL) { srv_send((char *)"501 Subcommand missing"); return 1; } param = strtok(NULL, "\0"); if (strcmp(opt, (char *)"HELP") == 0) { srv_send((char *)"100 Help text follows:"); srv_send((char *)"Recognized commands:"); srv_send((char *)"ARCHIVE DIR Archived logfiles directory"); srv_send((char *)"ARCHIVE GET filename Archived logfile download"); srv_send((char *)"ARCHIVE LOG filename Archived logfile data in graphsteps"); srv_send((char *)"."); return 0; } if (strcmp(opt, (char *)"DIR") == 0) { if (getenv((char *)"USER") == NULL) { name = xstrcpy((char *)"/root"); } else { name = xstrcpy(getenv((char *)"HOME")); } name = xstrcat(name, (char *)"/.thermferm/log/"); if ((dd = opendir(name))) { for (;;) { if ((readdir_r(dd, &entry, &result)) != 0) { syslog(LOG_NOTICE, "readdir_r: error=%d", errno); break; } if (result == NULL) /* End of directory */ break; if (result->d_name[0] != '.') { filename = xstrcpy(name); filename = xstrcat(filename, result->d_name); if ((stat(filename, &sbuf)) == 0) { fill_list(&lsx, result->d_name, sbuf.st_mode, sbuf.st_size, sbuf.st_mtime); } free(filename); filename = NULL; } } closedir(dd); } else { syslog(LOG_NOTICE, "opendir: \"%s\" error=%d", name, errno); } sort_list(&lsx); srv_send((char *)"212 Archive directory follows:"); for (tmp = lsx; tmp; tmp = tmp->next) { sprintf(mbits, "----------"); if (tmp->mode & S_IRUSR) mbits[1] = 'r'; if (tmp->mode & S_IWUSR) mbits[2] = 'w'; if (tmp->mode & S_IXUSR) mbits[3] = 'x'; if (tmp->mode & S_IRGRP) mbits[4] = 'r'; if (tmp->mode & S_IWGRP) mbits[5] = 'w'; if (tmp->mode & S_IXGRP) mbits[6] = 'x'; if (tmp->mode & S_IROTH) mbits[7] = 'r'; if (tmp->mode & S_IWOTH) mbits[8] = 'w'; if (tmp->mode & S_IXOTH) mbits[9] = 'x'; ftime = tmp->mtime; tbuf = localtime(&ftime); sprintf(tstr, "%02d %s %04d %02d:%02d", tbuf->tm_mday, MONTH[tbuf->tm_mon], tbuf->tm_year+1900, tbuf->tm_hour, tbuf->tm_min); srv_send((char *)"%s,%s,%d,%s", tmp->d_name, mbits, tmp->size, tstr); } srv_send((char *)"."); tidy_lslist(&lsx); free(name); name = NULL; return 1; } if (param == NULL) { srv_send((char *)"502 Parameter missing"); return 1; } if (strcmp(opt, (char *)"GET") == 0) { if (getenv((char *)"USER") == NULL) { name = xstrcpy((char *)"/root"); } else { name = xstrcpy(getenv((char *)"HOME")); } name = xstrcat(name, (char *)"/.thermferm/log/"); name = xstrcat(name, param); if ((fp = fopen(name, "r"))) { char buffer[256]; srv_send((char *)"212 Archive file follows:"); while (fgets(buffer, sizeof(buffer)-1, fp) != NULL) { int i; for (i = 0; i < strlen(buffer); i++) { if (buffer[i] == '\n') buffer[i] = '\0'; if (buffer[i] == '\r') buffer[i] = '\0'; } srv_send(buffer); } srv_send((char *)"."); fclose(fp); } else { srv_send((char *)"440 No such file"); } free(name); name = NULL; return 1; } if (strcmp(opt, (char *)"LOG") == 0) { if (getenv((char *)"USER") == NULL) { name = xstrcpy((char *)"/root"); } else { name = xstrcpy(getenv((char *)"HOME")); } name = xstrcat(name, (char *)"/.thermferm/log/"); name = xstrcat(name, param); if ((fp = fopen(name, "r"))) { char buffer[256], outbuf[256], q[5]; char *date_n, *mode_n, *air_n, *beer_n, *target_n, *heater_n, *cooler_n; char *heater_u, *cooler_u; int lines = 0, heater_l = 0, cooler_l = 0, h = 0, c = 0, heat_used = 0, cool_used = 0, graphstep = 0; srv_send((char *)"212 Logfile list follows:"); while (fgets(buffer, sizeof(buffer)-1, fp) != NULL) { lines++; } fseek(fp, 0L, SEEK_SET); /* * We have counted the lines in the logfile including the header lines. * The header lines should be ignored but there are so few of them, we * just include them in the total. * Now find a reasonable interval of lines to sent to the client. */ for (graphstep = 1; graphstep <= MAX_INTERVALS; graphstep++) { if (lines < GRAPH_DATALINES[graphstep]) { break; } } syslog(LOG_NOTICE, "ARCHIVE LOG %s: lines=%d, interval=%d, graphstep=%d", param, lines, GRAPH_INTERVAL[graphstep], graphstep); while (fgets(buffer, sizeof(buffer)-1, fp) != NULL) { /* * 2014-11-15 18:39,BEER,20.312,19.750,20.0,0,NA,NA,NA,78105,NA,NA */ q[0] = buffer[11]; q[1] = buffer[12]; q[2] = buffer[14]; q[3] = buffer[15]; buffer[strlen(buffer) -1] = '\0'; date_n = strtok(buffer, ",\0"); /* timestamp */ mode_n = strtok(NULL, ",\0"); /* unit mode */ air_n = strtok(NULL, ",\0"); /* air temp */ beer_n = strtok(NULL, ",\0"); /* beer temp */ target_n = strtok(NULL, ",\0"); /* target temp */ heater_n = strtok(NULL, ",\0"); /* current heater state */ cooler_n = strtok(NULL, ",\0"); /* current cooler state */ heater_u = strtok(NULL, ",\0"); /* current fan state */ heater_u = strtok(NULL, ",\0"); /* current door state */ heater_u = strtok(NULL, ",\0"); /* heater use counter */ cooler_u = strtok(NULL, ",\0"); /* cooler use counter */ if (strncmp(mode_n, (char *)"Mode", 4)) { /* * Output a line at the right intervals */ if (((graphstep == 1)) || ((graphstep == 2) && (q[3] == '0' || q[3] == '5')) || ((graphstep == 3) && ((q[2] == '0' && q[3] == '0') || (q[2] == '1' && q[3] == '5') || (q[2] == '3' && q[3] == '0') || (q[2] == '4' && q[3] == '5'))) || ((graphstep == 4) && ((q[2] == '0' && q[3] == '0') || (q[2] == '3' && q[3] == '0'))) || ((graphstep == 5) && (q[2] == '0' && q[3] == '0')) ) { heat_used = cool_used = 0; if (strcmp(heater_u, "NA") && (sscanf(heater_u, "%d", &h) == 1)) { if (h && heater_l) { heat_used = ((h - heater_l) * 100) / (GRAPH_INTERVAL[graphstep] * 60); } } if (strcmp(cooler_u, "NA") && (sscanf(cooler_u, "%d", &c) == 1)) { if (c && cooler_l) { cool_used = ((c - cooler_l) * 100) / (GRAPH_INTERVAL[graphstep] * 60); } } snprintf(outbuf, 255, "%s,%s,%s,%s,%s,%s,%s,%d,%d", date_n, mode_n, air_n, beer_n, target_n, heater_n, cooler_n, heat_used, cool_used); srv_send(outbuf); if (h && strcmp(heater_u, "NA")) heater_l = h; if (c & strcmp(cooler_u, "NA")) cooler_l = c; } } } srv_send((char *)"."); fclose(fp); } else { srv_send((char *)"440 No such file"); } free(name); name = NULL; return 1; } return 0; } int delete_Device(char *uuid) { devices_list *current = Config.devices; devices_list *previous = NULL; while (current) { if (strcmp(current->uuid, uuid) == 0) { if (previous == NULL) { Config.devices = current->next; free(current->uuid); current->uuid = NULL; free(current->address); current->address = NULL; free(current->description); current->description = NULL; free(current->comment); current->comment = NULL; free(current); return 1; } else { free(current->uuid); current->uuid = NULL; free(current->address); current->address = NULL; free(current->description); current->description = NULL; free(current->comment); current->comment = NULL; previous->next = current->next; free(current); current = previous->next; return 1; } } else { previous = current; current = current->next; } } return 0; } /* * DEVICE ADD type * DEVICE DEL uuid * DEVICE LIST * DEVICE GET uuid * DEVICE PUT uuid */ int cmd_device(char *buf) { char *opt, *param, *kwd, *val, ibuf[SS_BUFSIZE]; devices_list *device, *tmpd; socklen_t fromlen; int i, rc, rlen, ival; uuid_t uu; opt = strtok(buf, " \0"); opt = strtok(NULL, " \0"); if (opt == NULL) { srv_send((char *)"501 Subcommand missing"); return 1; } param = strtok(NULL, "\0"); if (strcmp(opt, (char *)"LIST") == 0) { srv_send((char *)"212 Devices list follows:"); for (device = Config.devices; device; device = device->next) { srv_send((char *)"%s,%s,%d,%d,%s,%s", device->uuid, device->address, device->subdevice, device->inuse, device->comment, DEVDIR[device->direction]); } srv_send((char *)"."); return 1; } if (param == NULL) { srv_send((char *)"502 Parameter missing"); return 1; } if (strcmp(opt, (char *)"ADD") == 0) { if ((strcmp(param, (char *)"RC433") == 0) || (strcmp(param, (char *)"DHT") == 0) || (strcmp(param, (char *)"I2C") == 0) || (strcmp(param, (char *)"SPI") == 0)) { device = (devices_list *)malloc(sizeof(devices_list)); device->next = NULL; device->version = 1; device->uuid = malloc(37); uuid_generate(uu); uuid_unparse(uu, device->uuid); for (i = 0; i < 8; i++) { if (strcmp(param, DEVTYPE[i]) == 0) { device->type = i; break; } } device->direction = DEVDIR_UNDEF; device->value = device->offset = device->subdevice = device->inuse = 0; device->present = DEVPRESENT_UNDEF; device->address = xstrcpy((char *)"Enter address here"); device->gpiopin = -1; device->description = xstrcpy((char *)"Describe me here"); device->comment = xstrcpy((char *)"Comment here"); #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif if (Config.devices == NULL) { Config.devices = device; } else { for (tmpd = Config.devices; tmpd; tmpd = tmpd->next) { if (tmpd->next == NULL) { tmpd->next = device; break; } } } #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif syslog(LOG_NOTICE, "Device %s added", device->uuid); srv_send((char *)"211 Device %s added", device->uuid); return 0; } else { srv_send((char *)"503 Parameter error"); return 1; } } if (strcmp(opt, (char *)"DEL") == 0) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif rc = delete_Device(param); #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif if (rc) { syslog(LOG_NOTICE, "Device %s deleted", param); srv_send((char *)"211 Device %s deleted", param); return 0; } else { srv_send((char *)"440 No such device"); return 1; } } if (strcmp(opt, (char *)"GET") == 0) { for (device = Config.devices; device; device = device->next) { if (strcmp(device->uuid, param) == 0) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif int my_value = device->value; int my_timestamp = (int)device->timestamp; #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif srv_send((char *)"213 Device record follows:"); srv_send((char *)"TYPE,%s", DEVTYPE[device->type]); srv_send((char *)"DIRECTION,%s", DEVDIR[device->direction]); srv_send((char *)"VALUE,%d", my_value); srv_send((char *)"OFFSET,%d", device->offset); srv_send((char *)"PRESENT,%s", DEVPRESENT[device->present]); srv_send((char *)"ADDRESS,%s", device->address); srv_send((char *)"SUBDEVICE,%d", device->subdevice); srv_send((char *)"GPIOPIN,%d", device->gpiopin); srv_send((char *)"DESCRIPTION,%s", device->description); srv_send((char *)"INUSE,%d", device->inuse); srv_send((char *)"COMMENT,%s", device->comment); srv_send((char *)"TIMESTAMP,%d", my_timestamp); srv_send((char *)"."); return 1; } } srv_send((char *)"440 No such device"); return 1; } if (strcmp(opt, (char *)"PUT") == 0) { for (device = Config.devices; device; device = device->next) { if (strcmp(device->uuid, param) == 0) { while (1) { memset((char *)&ibuf, 0, SS_BUFSIZE); fromlen = sizeof(peeraddr_in); rlen = recvfrom(s, ibuf, sizeof(ibuf) -1, 0, (struct sockaddr *)&peeraddr_in, &fromlen); if (rlen == -1) { syslog(LOG_NOTICE, "recvfrom(): %s", strerror(errno)); srv_send((char *)"518 recfrom(): %s", strerror(errno)); return 1; } for (i = 0; i < strlen(ibuf); i++) { if (ibuf[i] == '\n') ibuf[i] = '\0'; if (ibuf[i] == '\r') ibuf[i] = '\0'; } for (i = strlen(ibuf) -1; i > 0; i--) { if (ibuf[i] == ' ') ibuf[i] = '\0'; else break; } if (strlen(ibuf)) { if (debug) { syslog(LOG_NOTICE, "recv: \"%s\"", ibuf); fprintf(stdout, "recv: \"%s\"\n", ibuf); } if (strcmp(ibuf, (char *)".") == 0) { srv_send((char *)"219 Accepted Device record"); return 0; } kwd = strtok(ibuf, ",\0"); val = strtok(NULL, "\0"); if (kwd && val) { if (strcmp(kwd, (char *)"TYPE") == 0) { for (i = 0; i < 8; i++) { if (strcmp(val, DEVTYPE[i]) == 0) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif if (device->type != i) syslog(LOG_NOTICE, "Device %s changed type %s to %s", device->uuid, DEVTYPE[device->type], DEVTYPE[i]); device->type = i; #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif break; } } } else if (strcmp(kwd, (char *)"DIRECTION") == 0) { for (i = 0; i < 7; i++) { if (strcmp(val, DEVDIR[i]) == 0) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif if (device->direction != i) syslog(LOG_NOTICE, "Device %s changed direction %s to %s", device->uuid, DEVDIR[device->type], DEVDIR[i]); device->direction = i; #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif break; } } } else if (strcmp(kwd, (char *)"VALUE") == 0) { if (sscanf(val, "%d", &ival) == 1) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif if (device->value != ival) syslog(LOG_NOTICE, "Device %s changed value %d to %d", device->uuid, device->value, ival); device->value = ival; #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif } } else if (strcmp(kwd, (char *)"OFFSET") == 0) { if (sscanf(val, "%d", &ival) == 1) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif if (device->offset != ival) syslog(LOG_NOTICE, "Device %s changed offset %d to %d", device->uuid, device->offset, ival); device->offset = ival; #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif } } else if (strcmp(kwd, (char *)"PRESENT") == 0) { for (i = 0; i < 4; i++) { if (strcmp(val, DEVPRESENT[i]) == 0) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif if (device->present != i) syslog(LOG_NOTICE, "Device %s changed present %s to %s", device->uuid, DEVPRESENT[device->present], DEVPRESENT[i]); device->present = i; #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif break; } } } else if (strcmp(kwd, (char *)"ADDRESS") == 0) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif if (device->address) { if (strcmp(device->address, val)) syslog(LOG_NOTICE, "Device %s changed address `%s' to `%s'", device->uuid, device->address, val); free(device->address); } device->address = xstrcpy(val); #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif } else if (strcmp(kwd, (char *)"SUBDEVICE") == 0) { if (sscanf(val, "%d", &ival) == 1) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif if (device->subdevice != ival) syslog(LOG_NOTICE, "Device %s changed subdevice %d to %d", device->uuid, device->subdevice, ival); device->subdevice = ival; #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif } } else if (strcmp(kwd, (char *)"GPIOPIN") == 0) { if (sscanf(val, "%d", &ival) == 1) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif if (device->gpiopin != ival) syslog(LOG_NOTICE, "Device %s changed gpiopin %d to %d", device->uuid, device->gpiopin, ival); device->gpiopin = ival; #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif } } else if (strcmp(kwd, (char *)"DESCRIPTION") == 0) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif if (device->description) { if (strcmp(device->description, val)) syslog(LOG_NOTICE, "Device %s changed description `%s' to `%s'", device->uuid, device->description, val); free(device->description); } device->description = xstrcpy(val); #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif } else if (strcmp(kwd, (char *)"COMMENT") == 0) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_DEVICES); #endif if (device->comment) { if (strcmp(device->comment, val)) syslog(LOG_NOTICE, "Device %s changed comment `%s' to `%s'", device->uuid, device->comment, val); free(device->comment); } device->comment = xstrcpy(val); #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_DEVICES); #endif } } } } } } srv_send((char *)"440 No such device"); return 1; } srv_send((char *)"504 Subcommand error"); return 1; } /* * GLOBAL GET * GLOBAL PUT */ int cmd_global(char *buf) { char *opt, *kwd, *val, ibuf[SS_BUFSIZE]; int ival, i, rlen; socklen_t fromlen; opt = strtok(buf, " \0"); opt = strtok(NULL, "\0"); if (opt == NULL) { srv_send((char *)"501 Subcommand missing"); return 1; } if (strcmp(opt, (char *)"GET") == 0) { srv_send((char *)"213 Global Settings record follows:"); srv_send((char *)"RELEASE,%s", VERSION); srv_send((char *)"NAME,%s", Config.name); srv_send((char *)"PORT,%d", Config.my_port); srv_send((char *)"TEMPFORMAT,%c", Config.tempFormat); srv_send((char *)"TEMP_ADDRESS,%s", Config.temp_address); srv_send((char *)"TEMP_STATE,%s", TEMPSTATE[Config.temp_state]); srv_send((char *)"TEMP_VALUE,%.1f", Config.temp_value / 1000.0); srv_send((char *)"HUM_ADDRESS,%s", Config.hum_address); srv_send((char *)"HUM_STATE,%s", TEMPSTATE[Config.hum_state]); srv_send((char *)"HUM_VALUE,%.0f", Config.hum_value / 1000.0); #ifdef HAVE_WIRINGPI_H srv_send((char *)"LCD_COLS,%d", Config.lcd_cols); srv_send((char *)"LCD_ROWS,%d", Config.lcd_rows); #endif srv_send((char *)"."); return 1; } if (strcmp(opt, (char *)"PUT") == 0) { while (1) { memset((char *)&ibuf, 0, SS_BUFSIZE); fromlen = sizeof(peeraddr_in); rlen = recvfrom(s, ibuf, sizeof(ibuf) -1, 0, (struct sockaddr *)&peeraddr_in, &fromlen); if (rlen == -1) { syslog(LOG_NOTICE, "recvfrom(): %s", strerror(errno)); srv_send((char *)"518 recfrom(): %s", strerror(errno)); return 1; } for (i = 0; i < strlen(ibuf); i++) { if (ibuf[i] == '\n') ibuf[i] = '\0'; if (ibuf[i] == '\r') ibuf[i] = '\0'; } for (i = strlen(ibuf) -1; i > 0; i--) { if (ibuf[i] == ' ') ibuf[i] = '\0'; else break; } if (strlen(ibuf)) { if (debug) { syslog(LOG_NOTICE, "recv: \"%s\"", ibuf); fprintf(stdout, "recv: \"%s\"\n", ibuf); } if (strcmp(ibuf, (char *)".") == 0) { srv_send((char *)"219 Accepted Global record"); return 0; } kwd = strtok(ibuf, ",\0"); val = strtok(NULL, "\0"); if (kwd) { if (strcmp(kwd, (char *)"NAME") == 0) { if (val && Config.name && strcmp(val, Config.name)) syslog(LOG_NOTICE, "Global name `%s' to `%s'", Config.name, val); if (Config.name) free(Config.name); if (val) Config.name = xstrcpy(val); else Config.name = NULL; } else if (val && (strcmp(kwd, (char *)"PORT") == 0)) { if (sscanf(val, "%d", &ival) == 1) { if (Config.my_port != ival) syslog(LOG_NOTICE, "Global port %d to %d", Config.my_port, ival); Config.my_port = ival; } } else if (val && (strcmp(kwd, (char *)"TEMPFORMAT") == 0)) { if ((val[0] == 'C') || (val[0] == 'F')) { if (Config.tempFormat != val[0]) syslog(LOG_NOTICE, "Global port %c to %c", Config.tempFormat, val[0]); Config.tempFormat = val[0]; } } else if (strcmp(kwd, (char *)"TEMP_ADDRESS") == 0) { if (val && Config.temp_address && (strcmp(val, Config.temp_address))) syslog(LOG_NOTICE, "Global temperature address `%s' to `%s'", Config.temp_address, val); if (Config.temp_address) { device_count(FALSE, Config.temp_address); free(Config.temp_address); } if (val) { Config.temp_address = xstrcpy(val); device_count(TRUE, Config.temp_address); } else Config.temp_address = NULL; } else if (strcmp(kwd, (char *)"HUM_ADDRESS") == 0) { if (val && Config.hum_address && (strcmp(val, Config.hum_address))) syslog(LOG_NOTICE, "Global humidity address `%s' to `%s'", Config.hum_address, val); if (Config.hum_address) { device_count(FALSE, Config.hum_address); free(Config.hum_address); } if (val) { Config.hum_address = xstrcpy(val); device_count(TRUE, Config.hum_address); } else Config.hum_address = NULL; #ifdef HAVE_WIRINGPI_H } else if (val && (strcmp(kwd, (char *)"LCD_COLS") == 0)) { if (sscanf(val, "%d", &ival) == 1) { if (Config.lcd_cols != ival) syslog(LOG_NOTICE, "Global LCD columns %d to %d", Config.lcd_cols, ival); Config.lcd_cols = ival; } } else if (val && (strcmp(kwd, (char *)"LCD_ROWS") == 0)) { if (sscanf(val, "%d", &ival) == 1) { if (Config.lcd_rows != ival) syslog(LOG_NOTICE, "Global LCD rows %d to %d", Config.lcd_rows, ival); Config.lcd_rows = ival; } #endif } } } } } srv_send((char *)"504 Subcommand error"); return 1; } /* * LIST * LIST LOG */ int cmd_list(char *buf) { char *opt, *param, *filename, q[5], buffer[256], outbuf[256]; char *date_n, *mode_n, *air_n, *beer_n, *target_n, *heater_n, *cooler_n; char *heater_u, *cooler_u; int heater_l = 0, cooler_l = 0, h = 0, c = 0, heat_used = 0, cool_used = 0, lines = 0, graphstep = 0; units_list *unit; FILE *fp; opt = strtok(buf, " \0"); opt = strtok(NULL, " \0"); if (opt == NULL) { /* * Default, list available units */ srv_send((char *)"212 Fermenter list follows:"); for (unit = Config.units; unit; unit = unit->next) { srv_send((char *)"%s,%s,%s", unit->uuid, unit->name, UNITMODE[unit->mode]); } srv_send((char *)"."); return 1; } else if (strcmp(opt, (char *)"LOG") == 0) { param = strtok(NULL, "\0"); if (param == NULL) { srv_send((char *)"502 Parameter missing"); return 1; } q[0] = q[1] = q[2] = q[3] = q[4] = 'a'; for (unit = Config.units; unit; unit = unit->next) { if (strcmp(param, unit->uuid) == 0) break; } srv_send((char *)"212 Logfile list follows:"); if (getenv((char *)"USER") == NULL) { filename = xstrcpy((char *)"/root"); } else { filename = xstrcpy(getenv((char *)"HOME")); } filename = xstrcat(filename, (char *)"/.thermferm/log/"); filename = xstrcat(filename, unit->name); filename = xstrcat(filename, (char *)".log"); if ((fp = fopen(filename, "r"))) { /* * Count the lines in the logfile */ lines = 0; while (fgets(buffer, sizeof(buffer)-1, fp) != NULL) { lines++; } fseek(fp, 0L, SEEK_SET); /* * We have counted the lines in the logfile including the header lines. * The header lines should be ignored but there are so few of them, we * just include them in the total. * Now find a reasonable interval of lines to sent to the client. */ for (graphstep = 1; graphstep <= MAX_INTERVALS; graphstep++) { if (lines < GRAPH_DATALINES[graphstep]) { break; } } syslog(LOG_NOTICE, "LIST LOG %s: lines=%d, interval=%d, graphstep=%d", unit->name, lines, GRAPH_INTERVAL[graphstep], graphstep); while (fgets(buffer, sizeof(buffer)-1, fp) != NULL) { /* * 2014-11-15 18:39,BEER,20.312,19.750,20.0,0,NA,NA,NA,78105,NA,NA */ q[0] = buffer[11]; q[1] = buffer[12]; q[2] = buffer[14]; q[3] = buffer[15]; buffer[strlen(buffer) -1] = '\0'; date_n = strtok(buffer, ",\0"); /* timestamp */ mode_n = strtok(NULL, ",\0"); /* unit mode */ air_n = strtok(NULL, ",\0"); /* air temp */ beer_n = strtok(NULL, ",\0"); /* beer temp */ target_n = strtok(NULL, ",\0"); /* target temp */ heater_n = strtok(NULL, ",\0"); /* current heater state */ cooler_n = strtok(NULL, ",\0"); /* current cooler state */ heater_u = strtok(NULL, ",\0"); /* current fan state */ heater_u = strtok(NULL, ",\0"); /* current door state */ heater_u = strtok(NULL, ",\0"); /* heater use counter */ cooler_u = strtok(NULL, ",\0"); /* cooler use counter */ if (strncmp(mode_n, (char *)"Mode", 4)) { /* * Output a line at the right intervals */ if (((graphstep == 1)) || ((graphstep == 2) && (q[3] == '0' || q[3] == '5')) || ((graphstep == 3) && ((q[2] == '0' && q[3] == '0') || (q[2] == '1' && q[3] == '5') || (q[2] == '3' && q[3] == '0') || (q[2] == '4' && q[3] == '5'))) || ((graphstep == 4) && ((q[2] == '0' && q[3] == '0') || (q[2] == '3' && q[3] == '0'))) || ((graphstep == 5) && (q[2] == '0' && q[3] == '0')) ) { heat_used = cool_used = 0; if (strcmp(heater_u, "NA") && (sscanf(heater_u, "%d", &h) == 1)) { if (h && heater_l) { heat_used = ((h - heater_l) * 100) / (GRAPH_INTERVAL[graphstep] * 60); } } if (strcmp(cooler_u, "NA") && (sscanf(cooler_u, "%d", &c) == 1)) { if (c && cooler_l) { cool_used = ((c - cooler_l) * 100) / (GRAPH_INTERVAL[graphstep] * 60); } } snprintf(outbuf, 255, "%s,%s,%s,%s,%s,%s,%s,%d,%d", date_n, mode_n, air_n, beer_n, target_n, heater_n, cooler_n, heat_used, cool_used); srv_send(outbuf); if (h && strcmp(heater_u, "NA")) heater_l = h; if (c & strcmp(cooler_u, "NA")) cooler_l = c; } } } } free(filename); filename = NULL; srv_send((char *)"."); return 1; } srv_send((char *)"504 Subcommand error"); return 1; } /* * PROFILE ADD name Add a new profile * PROFILE DEL uuid Delete profile with uuid * PROFILE LIST List available profiles * PROFILE GET uuid Get profile record * PROFILE PUT uuid Put profile record * PROFILE GETS uuid Get profile steps list * PROFILE PUTS uuid Put profile steps list */ int cmd_profile(char *buf) { char ibuf[SS_BUFSIZE], *sstep, *rest, *targ, *param, *kwd, *val; int i, j, rlen, istep, irest; float ftarg, fval; socklen_t fromlen; char *opt; profiles_list *profile, *tmpp; prof_step *step, *olds; uuid_t uu; opt = strtok(buf, " \0"); opt = strtok(NULL, " \0"); if (opt == NULL) { srv_send((char *)"501 Subcommand missing"); return 1; } if (strcmp(opt, (char *)"LIST") == 0) { /* * Fermenting profiles */ srv_send((char *)"212 Profiles list follows:"); for (profile = Config.profiles; profile; profile = profile->next) { j = 0; for (step = profile->steps; step; step = step->next) j++; srv_send((char *)"%s,%s,%d,%d", profile->uuid, profile->name, j, profile->busy); } srv_send((char *)"."); return 1; } param = strtok(NULL, "\0"); if (param == NULL) { srv_send((char *)"502 Parameter missing"); return 1; } if (strcmp(opt, (char *)"ADD") == 0) { profile = (profiles_list *)malloc(sizeof(profiles_list)); profile->next = NULL; profile->version = 1; profile->uuid = malloc(37); uuid_generate(uu); uuid_unparse(uu, profile->uuid); profile->name = xstrcpy(param); profile->busy = 0; profile->inittemp = 20.0; profile->steps = NULL; if (Config.profiles == NULL) { Config.profiles = profile; } else { for (tmpp = Config.profiles; tmpp; tmpp = tmpp->next) { if (tmpp->next == NULL) { tmpp->next = profile; break; } } } syslog(LOG_NOTICE, "Profile %s added", profile->uuid); srv_send((char *)"211 Profile %s added", profile->uuid); return 0; } else if (strcmp(opt, (char *)"DEL") == 0) { if (delete_Profile(param)) { syslog(LOG_NOTICE, "Profile %s deleted", param); srv_send((char *)"211 Profile %s deleted", param); return 0; } else { srv_send((char *)"440 No such profile"); return 1; } } else if (strcmp(opt, (char *)"GET") == 0) { for (profile = Config.profiles; profile; profile = profile->next) { if (strcmp(profile->uuid, param) == 0) { srv_send((char *)"213 Profile record follows:"); srv_send((char *)"UUID,%s", profile->uuid); srv_send((char *)"NAME,%s", profile->name); srv_send((char *)"INITTEMP,%.1f", profile->inittemp); srv_send((char *)"."); return 1; } } srv_send((char *)"440 No such profile"); return 1; } else if (strcmp(opt, (char *)"PUT") == 0) { for (profile = Config.profiles; profile; profile = profile->next) { if (strcmp(profile->uuid, param) == 0) { while (1) { memset((char *)&ibuf, 0, SS_BUFSIZE); fromlen = sizeof(peeraddr_in); rlen = recvfrom(s, ibuf, sizeof(ibuf) -1, 0, (struct sockaddr *)&peeraddr_in, &fromlen); if (rlen == -1) { syslog(LOG_NOTICE, "recvfrom(): %s", strerror(errno)); srv_send((char *)"518 recfrom(): %s", strerror(errno)); return 1; } for (i = 0; i < strlen(ibuf); i++) { if (ibuf[i] == '\n') ibuf[i] = '\0'; if (ibuf[i] == '\r') ibuf[i] = '\0'; } for (i = strlen(ibuf) -1; i > 0; i--) { if (ibuf[i] == ' ') ibuf[i] = '\0'; else break; } if (strlen(ibuf)) { if (debug) { syslog(LOG_NOTICE, "recv: \"%s\"", ibuf); fprintf(stdout, "recv: \"%s\"\n", ibuf); } if (strcmp(ibuf, (char *)".") == 0) { srv_send((char *)"219 Accepted Profile record"); return 0; } kwd = strtok(ibuf, ",\0"); val = strtok(NULL, "\0"); if (kwd && val) { if (strcmp(kwd, (char *)"NAME") == 0) { if (profile->name) { if (strcmp(profile->name, val)) syslog(LOG_NOTICE, "Profile %s name `%s' to `%s'", profile->uuid, profile->name, val); free(profile->name); } profile->name = xstrcpy(val); } else if (strcmp(kwd, (char *)"INITTEMP") == 0) { if (sscanf(val, "%f", &fval) == 1) { if (profile->inittemp != fval) syslog(LOG_NOTICE, "Profile %s initial temperature %.1f to %.1f", profile->uuid, profile->inittemp, fval); profile->inittemp = fval; } } } } } } } srv_send((char *)"440 No such profile"); return 1; } else if (strcmp(opt, (char *)"GETS") == 0) { for (profile = Config.profiles; profile; profile = profile->next) { if (strcmp(profile->uuid, param) == 0) { srv_send((char *)"215 Profile steps follow:"); for (step = profile->steps; step; step = step->next) { srv_send((char *)"%d,%d,%.1f", step->steptime, step->resttime, step->target); } srv_send((char *)"."); return 1; } } srv_send((char *)"440 No such profile"); return 1; } else if (strcmp(opt, (char *)"PUTS") == 0) { for (profile = Config.profiles; profile; profile = profile->next) { if (strcmp(profile->uuid, param) == 0) { if (profile->steps) { syslog(LOG_NOTICE, "PROFILE PUTS %s erased all old steps", profile->uuid); for (step = profile->steps; step; step = olds) { olds = step->next; free(step); } profile->steps = NULL; } j = 0; while (1) { memset((char *)&ibuf, 0, SS_BUFSIZE); fromlen = sizeof(peeraddr_in); rlen = recvfrom(s, ibuf, sizeof(ibuf) -1, 0, (struct sockaddr *)&peeraddr_in, &fromlen); if (rlen == -1) { syslog(LOG_NOTICE, "recvfrom(): %s", strerror(errno)); srv_send((char *)"518 recfrom(): %s", strerror(errno)); return 1; } else { for (i = 0; i < strlen(ibuf); i++) { if (ibuf[i] == '\n') ibuf[i] = '\0'; if (ibuf[i] == '\r') ibuf[i] = '\0'; } for (i = strlen(ibuf) -1; i > 0; i--) { if (ibuf[i] == ' ') ibuf[i] = '\0'; else break; } if (strlen(ibuf)) { if (debug) { syslog(LOG_NOTICE, "recv: \"%s\"", ibuf); fprintf(stdout, "recv: \"%s\"\n", ibuf); } if (strcmp(ibuf, (char *)".") == 0) { srv_send((char *)"219 Accepted Profile steps"); return 0; } sstep = strtok(ibuf, ",\0"); rest = strtok(NULL, ",\0"); targ = strtok(NULL, "\0"); if ((sscanf(sstep, "%d", &istep) == 1) && (sscanf(rest, "%d", &irest) == 1) && (sscanf(targ, "%f", &ftarg) == 1)) { j++; syslog(LOG_NOTICE, "PROFILE PUTS %s add step %d: steptime=%d resttime=%d target=%.1f", profile->uuid, j, istep, irest, ftarg); step = (prof_step *)malloc(sizeof(prof_step)); step->next = NULL; step->version = 1; step->steptime = istep; step->resttime = irest; step->target = ftarg; if (profile->steps == NULL) { profile->steps = step; } else { for (olds = profile->steps; olds; olds = olds->next) { if (olds->next == NULL) { olds->next = step; break; } } } } } } } } } srv_send((char *)"440 No such profile"); return 1; } srv_send((char *)"504 Subcommand error"); return 1; } #ifdef USE_SIMULATOR int delete_Simulator(char *uuid) { simulator_list *current = Config.simulators; simulator_list *previous = NULL; while (current) { if (strcmp(current->uuid, uuid) == 0) { if (previous == NULL) { Config.simulators = current->next; free(current->uuid); current->uuid = NULL; free(current->name); current->name = NULL; free(current); return 1; } else { free(current->uuid); current->uuid = NULL; free(current->name); current->name = NULL; previous->next = current->next; free(current); current = previous->next; return 1; } } else { previous = current; current = current->next; } } return 0; } /* * SIMULATOR ADD name * SIMULATOR DEL uuid * SIMULATOR LIST * SIMULATOR GET uuid * SIMULATOR PUT uuid */ int cmd_simulator(char *buf) { char *opt, *param, *kwd, *val, ibuf[SS_BUFSIZE]; simulator_list *simulator, *tmps; socklen_t fromlen; int i, rc, rlen, ival; float fval; uuid_t uu; opt = strtok(buf, " \0"); opt = strtok(NULL, " \0"); if (opt == NULL) { srv_send((char *)"501 Subcommand missing"); return 1; } param = strtok(NULL, "\0"); if (strcmp(opt, (char *)"LIST") == 0) { srv_send((char *)"212 Simulators list follows:"); for (simulator = Config.simulators; simulator; simulator = simulator->next) { srv_send((char *)"%s,%s", simulator->uuid, simulator->name); } srv_send((char *)"."); return 1; } if (param == NULL) { srv_send((char *)"502 Parameter missing"); return 1; } if (strcmp(opt, (char *)"ADD") == 0) { /* * For now, only one simulator is allowed. */ if (Config.simulators) { srv_send((char *)"441 Maximum simulators reached"); return 1; } simulator = (simulator_list *)malloc(sizeof(simulator_list)); simulator->next = NULL; simulator->version = 1; simulator->uuid = malloc(37); uuid_generate(uu); uuid_unparse(uu, simulator->uuid); simulator->name = xstrcpy(param); simulator->volume_air = 150; simulator->volume_beer = 50; simulator->room_temperature = simulator->air_temperature = simulator->beer_temperature = simulator->s_cool_temp = simulator->s_heat_temp = 20.0; simulator->cooler_temp = -3.0; /* Cooling temperature */ simulator->cooler_time = 720; /* About 12 minutes for the cooler plate */ simulator->cooler_size = 0.8; /* 0.8 square meter cooler plate */ simulator->heater_temp = 150.0; /* Heating temperature */ simulator->heater_time = 3; /* 3 seconds to heat-up */ simulator->heater_size = 0.01; /* 0.01 square meter heater plate */ simulator->heater_state = simulator->cooler_state = 0; simulator->frigo_isolation = 0.002; simulator->s_yeast_heat = 0.0; simulator->s_yeast_started = simulator->s_cool_changed = simulator->s_heat_changed = (int)0; if (Config.simulators == NULL) { Config.simulators = simulator; } else { for (tmps = Config.simulators; tmps; tmps = tmps->next) { if (tmps->next == NULL) { tmps->next = simulator; break; } } } syslog(LOG_NOTICE, "Simulator %s added", simulator->uuid); srv_send((char *)"211 Simulator %s added", simulator->uuid); return 0; } if (strcmp(opt, (char *)"DEL") == 0) { rc = delete_Simulator(param); if (rc) { syslog(LOG_NOTICE, "Simulator %s deleted", param); srv_send((char *)"211 Simulator %s deleted", param); return 0; } else { srv_send((char *)"440 No such simulator"); return 1; } } if (strcmp(opt, (char *)"GET") == 0) { for (simulator = Config.simulators; simulator; simulator = simulator->next) { if (strcmp(simulator->uuid, param) == 0) { srv_send((char *)"213 Simulator record follows:"); srv_send((char *)"NAME,%s", simulator->name); srv_send((char *)"VOLUME_AIR,%d", simulator->volume_air); srv_send((char *)"VOLUME_BEER,%d", simulator->volume_beer); srv_send((char *)"ROOM_TEMPERATURE,%.1f", simulator->room_temperature); srv_send((char *)"AIR_TEMPERATURE,%.3f", simulator->air_temperature); srv_send((char *)"BEER_TEMPERATURE,%.3f", simulator->beer_temperature); srv_send((char *)"COOLER_TEMP,%.1f", simulator->cooler_temp); srv_send((char *)"COOLER_TIME,%d", simulator->cooler_time); srv_send((char *)"COOLER_SIZE,%.3f", simulator->cooler_size); srv_send((char *)"HEATER_TEMP,%.1f", simulator->heater_temp); srv_send((char *)"HEATER_TIME,%d", simulator->heater_time); srv_send((char *)"HEATER_SIZE,%.3f", simulator->heater_size); srv_send((char *)"HEATER_STATE,%d", simulator->heater_state); srv_send((char *)"COOLER_STATE,%d", simulator->cooler_state); srv_send((char *)"FRIGO_ISOLATION,%.3f", simulator->frigo_isolation); srv_send((char *)"."); return 1; } } srv_send((char *)"440 No such simulator"); return 1; } if (strcmp(opt, (char *)"PUT") == 0) { for (simulator = Config.simulators; simulator; simulator = simulator->next) { if (strcmp(simulator->uuid, param) == 0) { while (1) { memset((char *)&ibuf, 0, SS_BUFSIZE); fromlen = sizeof(peeraddr_in); rlen = recvfrom(s, ibuf, sizeof(ibuf) -1, 0, (struct sockaddr *)&peeraddr_in, &fromlen); if (rlen == -1) { syslog(LOG_NOTICE, "recvfrom(): %s", strerror(errno)); srv_send((char *)"518 recfrom(): %s", strerror(errno)); return 1; } for (i = 0; i < strlen(ibuf); i++) { if (ibuf[i] == '\n') ibuf[i] = '\0'; if (ibuf[i] == '\r') ibuf[i] = '\0'; } for (i = strlen(ibuf) -1; i > 0; i--) { if (ibuf[i] == ' ') ibuf[i] = '\0'; else break; } if (strlen(ibuf)) { if (debug) { syslog(LOG_NOTICE, "recv: \"%s\"", ibuf); fprintf(stdout, "recv: \"%s\"\n", ibuf); } if (strcmp(ibuf, (char *)".") == 0) { srv_send((char *)"219 Accepted Simulator record"); return 0; } kwd = strtok(ibuf, ",\0"); val = strtok(NULL, "\0"); if (kwd && val) { if (strcmp(kwd, (char *)"NAME") == 0) { if (simulator->name) { if (strcmp(simulator->name, val)) syslog(LOG_NOTICE, "Simulator %s name `%s' to `%s'", simulator->uuid, simulator->name, val); free(simulator->name); } simulator->name = xstrcpy(val); } else if (strcmp(kwd, (char *)"VOLUME_AIR") == 0) { if (sscanf(val, "%d", &ival) == 1) { if (simulator->volume_air != ival) syslog(LOG_NOTICE, "Simulator %s volume air %d to %d", simulator->uuid, simulator->volume_air, ival); simulator->volume_air = ival; } } else if (strcmp(kwd, (char *)"VOLUME_BEER") == 0) { if (sscanf(val, "%d", &ival) == 1) { if (simulator->volume_beer != ival) syslog(LOG_NOTICE, "Simulator %s volume beer %d to %d", simulator->uuid, simulator->volume_beer, ival); simulator->volume_beer = ival; } } else if (strcmp(kwd, (char *)"ROOM_TEMPERATURE") == 0) { if (sscanf(val, "%f", &fval) == 1) { if (simulator->room_temperature != fval) syslog(LOG_NOTICE, "Simulator %s room temperature %.1f to %.1f", simulator->uuid, simulator->room_temperature, fval); simulator->room_temperature = fval; } } else if (strcmp(kwd, (char *)"AIR_TEMPERATURE") == 0) { if (sscanf(val, "%f", &fval) == 1) { if (simulator->air_temperature != fval) syslog(LOG_NOTICE, "Simulator %s air temperature %.1f to %.1f", simulator->uuid, simulator->air_temperature, fval); simulator->air_temperature = fval; } } else if (strcmp(kwd, (char *)"BEER_TEMPERATURE") == 0) { if (sscanf(val, "%f", &fval) == 1) { if (simulator->beer_temperature != fval) syslog(LOG_NOTICE, "Simulator %s beer temperature %.1f to %.1f", simulator->uuid, simulator->beer_temperature, fval); simulator->beer_temperature = fval; } } else if (strcmp(kwd, (char *)"COOLER_TEMP") == 0) { if (sscanf(val, "%f", &fval) == 1) { if (simulator->cooler_temp != fval) syslog(LOG_NOTICE, "Simulator %s cooler temperature %.1f to %.1f", simulator->uuid, simulator->cooler_temp, fval); simulator->cooler_temp = fval; } } else if (strcmp(kwd, (char *)"COOLER_TIME") == 0) { if (sscanf(val, "%d", &ival) == 1) { if (simulator->cooler_time != ival) syslog(LOG_NOTICE, "Simulator %s cooler time %d to %d", simulator->uuid, simulator->cooler_time, ival); simulator->cooler_time = ival; } } else if (strcmp(kwd, (char *)"COOLER_SIZE") == 0) { if (sscanf(val, "%f", &fval) == 1) { if (simulator->cooler_size != fval) syslog(LOG_NOTICE, "Simulator %s cooler size %.1f to %.1f", simulator->uuid, simulator->cooler_size, fval); simulator->cooler_size = fval; } } else if (strcmp(kwd, (char *)"HEATER_TEMP") == 0) { if (sscanf(val, "%f", &fval) == 1) { if (simulator->heater_temp != fval) syslog(LOG_NOTICE, "Simulator %s heater temperature %.1f to %.1f", simulator->uuid, simulator->heater_temp, fval); simulator->heater_temp = fval; } } else if (strcmp(kwd, (char *)"HEATER_TIME") == 0) { if (sscanf(val, "%d", &ival) == 1) { if (simulator->heater_time != ival) syslog(LOG_NOTICE, "Simulator %s heater time %d to %d", simulator->uuid, simulator->heater_time, ival); simulator->heater_time = ival; } } else if (strcmp(kwd, (char *)"HEATER_SIZE") == 0) { if (sscanf(val, "%f", &fval) == 1) { if (simulator->heater_size != fval) syslog(LOG_NOTICE, "Simulator %s heater size %.1f to %.1f", simulator->uuid, simulator->heater_size, fval); simulator->heater_size = fval; } } else if (strcmp(kwd, (char *)"HEATER_STATE") == 0) { if (sscanf(val, "%d", &ival) == 1) { if (simulator->heater_state != ival) syslog(LOG_NOTICE, "Simulator %s heater state %d to %d", simulator->uuid, simulator->heater_state, ival); simulator->heater_state = ival; } } else if (strcmp(kwd, (char *)"COOLER_STATE") == 0) { if (sscanf(val, "%d", &ival) == 1) { if (simulator->cooler_state != ival) syslog(LOG_NOTICE, "Simulator %s cooler state %d to %d", simulator->uuid, simulator->cooler_state, ival); simulator->cooler_state = ival; } } else if (strcmp(kwd, (char *)"FRIGO_ISOLATION") == 0) { if (sscanf(val, "%f", &fval) == 1) { if (simulator->frigo_isolation != fval) syslog(LOG_NOTICE, "Simulator %s frigo isolation %.1f to %.1f", simulator->uuid, simulator->frigo_isolation, fval); simulator->frigo_isolation = fval; } } } } } } } srv_send((char *)"440 No such simulator"); return 1; } srv_send((char *)"504 Subcommand error"); return 1; } #endif int delete_Unit(char *uuid) { units_list *current = Config.units; units_list *previous = NULL; while (current) { if (strcmp(current->uuid, uuid) == 0) { if (previous == NULL) { Config.units = current->next; free(current->uuid); current->uuid = NULL; free(current->name); current->name = NULL; if (current->air_address) free(current->air_address); current->air_address = NULL; if (current->beer_address) free(current->beer_address); current->beer_address = NULL; if (current->heater_address) free(current->heater_address); current->heater_address = NULL; if (current->cooler_address) free(current->cooler_address); current->cooler_address = NULL; if (current->fan_address) free(current->fan_address); current->fan_address = NULL; if (current->light_address) free(current->light_address); current->light_address = NULL; if (current->door_address) free(current->door_address); current->door_address = NULL; if (current->psu_address) free(current->psu_address); current->psu_address = NULL; if (current->profile) free(current->profile); current->profile = NULL; free(current); return 1; } else { free(current->uuid); current->uuid = NULL; free(current->name); current->name = NULL; if (current->air_address) free(current->air_address); current->air_address = NULL; if (current->beer_address) free(current->beer_address); current->beer_address = NULL; if (current->heater_address) free(current->heater_address); current->heater_address = NULL; if (current->cooler_address) free(current->cooler_address); current->cooler_address = NULL; if (current->fan_address) free(current->fan_address); current->fan_address = NULL; if (current->door_address) free(current->door_address); current->door_address = NULL; if (current->light_address) free(current->light_address); current->light_address = NULL; if (current->psu_address) free(current->psu_address); current->psu_address = NULL; if (current->profile) free(current->profile); current->profile = NULL; previous->next = current->next; free(current); current = previous->next; return 1; } } else { previous = current; current = current->next; } } return 0; } /* * UNIT ADD name * UNIT DEL uuid * UNIT LIST * UNIT GET uuid * UNIT PUT uuid */ int cmd_unit(char *buf) { char *opt, *param = NULL, *kwd, *val, ibuf[SS_BUFSIZE]; units_list *unit, *tmpu; uuid_t uu; socklen_t fromlen; int ival, i, rc, rlen; float fval; opt = strtok(buf, " \0"); opt = strtok(NULL, " \0"); if (opt == NULL) { srv_send((char *)"501 Subcommand missing"); return 1; } param = strtok(NULL, "\0"); if ((strcmp(opt, (char *)"LIST") == 0) && (param == NULL)) { srv_send((char *)"212 Fermenter list follows:"); for (unit = Config.units; unit; unit = unit->next) { srv_send((char *)"%s,%s,%s", unit->uuid, unit->name, UNITMODE[unit->mode]); } srv_send((char *)"."); return 1; } if (param == NULL) { srv_send((char *)"502 Parameter missing"); return 1; } if (strcmp(opt, (char *)"ADD") == 0) { unit = (units_list *)malloc(sizeof(units_list)); unit->next = NULL; unit->version = 1; unit->uuid = malloc(37); uuid_generate(uu); uuid_unparse(uu, unit->uuid); unit->name = xstrcpy(param); unit->air_address = unit->beer_address = unit->heater_address = unit->cooler_address = \ unit->fan_address = unit->door_address = unit->light_address = \ unit->psu_address = unit->profile = NULL; unit->volume = unit->prof_peak_abs = unit->prof_peak_rel = 0.0; unit->air_state = unit->beer_state = 1; unit->air_temperature = unit->beer_temperature = 20000; unit->beer_set = unit->fridge_set = 20.0; unit->heater_state = unit->cooler_state = unit->fan_state = unit->door_state = unit->mode = \ unit->light_state = unit->psu_state = unit->prof_state = 0; unit->heater_delay = unit->cooler_delay = unit->fan_delay = 20; /* 5 minutes delay */ unit->light_delay = 1; /* 15 seconds delay */ unit->heater_wait = unit->cooler_wait = unit->fan_wait = unit->light_wait = 0; unit->heater_usage = unit->cooler_usage = unit->fan_usage = unit->light_usage = 0; unit->temp_set_min = 1.0; unit->temp_set_max = 30.0; unit->idle_rangeH = 1.0; unit->idle_rangeL = -1.0; unit->prof_started = unit->prof_paused = unit->prof_primary_done = (time_t)0; unit->prof_percent = 0; unit->PID_dState = unit->PID_iState = unit->PID_Kp = unit->PID_Kd = unit->PID_Ki = 0.0; /* * Block main process */ run_pause = TRUE; for (;;) { usleep(100000); if (run_hold) break; } if (Config.units == NULL) { Config.units = unit; } else { for (tmpu = Config.units; tmpu; tmpu = tmpu->next) { if (tmpu->next == NULL) { tmpu->next = unit; break; } } } #ifdef HAVE_WIRINGPI_H lcd_buf_reset(); #endif run_pause = FALSE; syslog(LOG_NOTICE, "Unit %s added", unit->uuid); srv_send((char *)"211 Unit %s added", unit->uuid); return 0; } if (strcmp(opt, (char *)"DEL") == 0) { /* * Block main process. */ run_pause = TRUE; for (;;) { usleep(100000); if (run_hold) break; } rc = delete_Unit(param); #ifdef HAVE_WIRINGPI_H lcd_buf_reset(); #endif run_pause = FALSE; if (rc) { syslog(LOG_NOTICE, "Unit %s deleted", param); srv_send((char *)"211 Unit %s deleted", param); return 0; } else { srv_send((char *)"440 No such unit"); return 1; } } if (strcmp(opt, (char *)"GET") == 0) { for (unit = Config.units; unit; unit = unit->next) { if (strcmp(param, unit->uuid) == 0) { srv_send((char *)"213 Unit listing follows:"); srv_send((char *)"NAME,%s", unit->name); srv_send((char *)"UUID,%s", unit->uuid); srv_send((char *)"VOLUME,%2f", unit->volume); srv_send((char *)"AIR_ADDRESS,%s", unit->air_address); srv_send((char *)"AIR_STATE,%s", TEMPSTATE[unit->air_state]); srv_send((char *)"AIR_TEMPERATURE,%.3f", unit->air_temperature / 1000.0); srv_send((char *)"BEER_ADDRESS,%s", MBSE_SS(unit->beer_address)); srv_send((char *)"BEER_STATE,%s", TEMPSTATE[unit->beer_state]); srv_send((char *)"BEER_TEMPERATURE,%.3f", unit->beer_temperature / 1000.0); srv_send((char *)"HEATER_ADDRESS,%s", unit->heater_address); srv_send((char *)"HEATER_STATE,%d", unit->heater_state); srv_send((char *)"HEATER_DELAY,%d", unit->heater_delay); srv_send((char *)"HEATER_USAGE,%d", unit->heater_usage); srv_send((char *)"COOLER_ADDRESS,%s", unit->cooler_address); srv_send((char *)"COOLER_STATE,%d", unit->cooler_state); srv_send((char *)"COOLER_DELAY,%d", unit->cooler_delay); srv_send((char *)"COOLER_USAGE,%d", unit->cooler_usage); srv_send((char *)"FAN_ADDRESS,%s", unit->fan_address); srv_send((char *)"FAN_STATE,%d", unit->fan_state); srv_send((char *)"FAN_DELAY,%d", unit->fan_delay); srv_send((char *)"FAN_USAGE,%d", unit->fan_usage); srv_send((char *)"LIGHT_ADDRESS,%s", unit->light_address); srv_send((char *)"LIGHT_STATE,%d", unit->light_state); srv_send((char *)"LIGHT_DELAY,%d", unit->light_delay); srv_send((char *)"LIGHT_USAGE,%d", unit->light_usage); srv_send((char *)"DOOR_ADDRESS,%s", unit->door_address); srv_send((char *)"DOOR_STATE,%d", unit->door_state); srv_send((char *)"PSU_ADDRESS,%s", unit->psu_address); srv_send((char *)"PSU_STATE,%d", unit->psu_state); srv_send((char *)"MODE,%s", UNITMODE[unit->mode]); srv_send((char *)"FRIDGE_SET,%.1f", unit->fridge_set); srv_send((char *)"BEER_SET,%.1f", unit->beer_set); srv_send((char *)"PROFILE,%s", unit->profile); srv_send((char *)"PROF_STARTED,%d", (int)unit->prof_started); if (unit->prof_state == PROFILE_RUN) { srv_send((char *)"PROF_STATE,%s %d%%", PROFSTATE[unit->prof_state], unit->prof_percent); } else { srv_send((char *)"PROF_STATE,%s", PROFSTATE[unit->prof_state]); } srv_send((char *)"PROF_TARGET,%.3f", unit->prof_target); srv_send((char *)"PROF_PEAK_ABS,%.3f", unit->prof_peak_abs); srv_send((char *)"PROF_PEAK_REL,%.3f", unit->prof_peak_rel); srv_send((char *)"PROF_PRIMARY_DONE,%d", (int)unit->prof_primary_done); srv_send((char *)"TEMP_SET_MIN,%.1f", unit->temp_set_min); srv_send((char *)"TEMP_SET_MAX,%.1f", unit->temp_set_max); srv_send((char *)"IDLE_RANGE_L,%.2f", unit->idle_rangeL); srv_send((char *)"IDLE_RANGE_H,%.2f", unit->idle_rangeH); srv_send((char *)"PID_KP,%.2f", unit->PID_Kp); srv_send((char *)"PID_KI,%.2f", unit->PID_Ki); srv_send((char *)"PID_KD,%.2f", unit->PID_Kd); srv_send((char *)"."); return 1; } } srv_send((char *)"440 No such unit"); return 1; } if (strcmp(opt, (char *)"PUT") == 0) { for (unit = Config.units ; unit; unit = unit->next) { if (strcmp(unit->uuid, param) == 0) { while (1) { memset((char *)&ibuf, 0, SS_BUFSIZE); fromlen = sizeof(peeraddr_in); rlen = recvfrom(s, ibuf, sizeof(ibuf) -1, 0, (struct sockaddr *)&peeraddr_in, &fromlen); if (rlen == -1) { syslog(LOG_NOTICE, "recvfrom(): %s", strerror(errno)); srv_send((char *)"518 recfrom(): %s", strerror(errno)); return 1; } for (i = 0; i < strlen(ibuf); i++) { if (ibuf[i] == '\n') ibuf[i] = '\0'; if (ibuf[i] == '\r') ibuf[i] = '\0'; } for (i = strlen(ibuf) -1; i > 0; i--) { if (ibuf[i] == ' ') ibuf[i] = '\0'; else break; } if (strlen(ibuf)) { if (debug) { syslog(LOG_NOTICE, "recv: \"%s\"", ibuf); fprintf(stdout, "recv: \"%s\"\n", ibuf); } if (strcmp(ibuf, (char *)".") == 0) { srv_send((char *)"219 Accepted Unit record"); return 0; } kwd = strtok(ibuf, ",\0"); val = strtok(NULL, "\0"); if (kwd) { /* * Accept writable data. The client can sent just one line, * but may also sent everything. Simply ignore things we * don't understand. */ if (val && (strcmp(kwd, (char *)"NAME") == 0)) { if (unit->name) { if (strcmp(unit->name, val)) syslog(LOG_NOTICE, "Fermenter unit %s name `%s' to `%s'", unit->uuid, unit->name, val); free(unit->name); } unit->name = xstrcpy(val); } else if (val && (strcmp(kwd, (char *)"VOLUME") == 0)) { if (sscanf(val, "%f", &fval) == 1) { if (unit->volume != fval) syslog(LOG_NOTICE, "Fermenter unit %s volume %.3f to %.3f", unit->uuid, unit->volume, fval); unit->volume = fval; } } else if (strcmp(kwd, (char *)"AIR_ADDRESS") == 0) { if (val && unit->air_address && (strcmp(val, unit->air_address))) syslog(LOG_NOTICE, "Fermenter unit %s air address `%s' to `%s'", unit->uuid, unit->air_address, val); if (unit->air_address) { device_count(FALSE, unit->air_address); free(unit->air_address); } if (val) { unit->air_address = xstrcpy(val); device_count(TRUE, unit->air_address); } else unit->air_address = NULL; } else if (strcmp(kwd, (char *)"BEER_ADDRESS") == 0) { if (val && unit->beer_address && (strcmp(val, unit->beer_address))) syslog(LOG_NOTICE, "Fermenter unit %s beer address `%s' to `%s'", unit->uuid, unit->beer_address, val); if (unit->beer_address) { device_count(FALSE, unit->beer_address); free(unit->beer_address); } if (val) { unit->beer_address = xstrcpy(val); device_count(TRUE, unit->beer_address); } else unit->beer_address = NULL; } else if (strcmp(kwd, (char *)"HEATER_ADDRESS") == 0) { if (val && unit->heater_address && (strcmp(val, unit->heater_address))) syslog(LOG_NOTICE, "Fermenter unit %s heater address `%s' to `%s'", unit->uuid, unit->heater_address, val); if (unit->heater_address) { device_count(FALSE, unit->heater_address); free(unit->heater_address); } if (val) { unit->heater_address = xstrcpy(val); device_count(TRUE, unit->heater_address); } else unit->heater_address = NULL; } else if (val && (strcmp(kwd, (char *)"HEATER_STATE") == 0)) { if ((sscanf(val, "%d", &ival) == 1) && ((ival == 0) || (ival == 100))) { if (unit->heater_state != ival) syslog(LOG_NOTICE, "Fermenter unit %s heater state %d to %d", unit->uuid, unit->heater_state, ival); unit->heater_state = ival; } } else if (val && (strcmp(kwd, (char *)"HEATER_DELAY") == 0)) { if (sscanf(val, "%d", &ival) == 1) { if (unit->heater_delay != ival) syslog(LOG_NOTICE, "Fermenter unit %s heater delay %d to %d", unit->uuid, unit->heater_delay, ival); unit->heater_delay = ival; } } else if (strcmp(kwd, (char *)"COOLER_ADDRESS") == 0) { if (val && unit->cooler_address && (strcmp(val, unit->cooler_address))) syslog(LOG_NOTICE, "Fermenter unit %s cooler address `%s' to `%s'", unit->uuid, unit->cooler_address, val); if (unit->cooler_address) { device_count(FALSE, unit->cooler_address); free(unit->cooler_address); } if (val) { unit->cooler_address = xstrcpy(val); device_count(TRUE, unit->cooler_address); } else unit->cooler_address = NULL; } else if (val && (strcmp(kwd, (char *)"COOLER_STATE") == 0)) { if ((sscanf(val, "%d", &ival) == 1) && ((ival == 0) || (ival == 100))) { if (unit->cooler_state != ival) syslog(LOG_NOTICE, "Fermenter unit %s cooler state %d to %d", unit->uuid, unit->cooler_state, ival); unit->cooler_state = ival; } } else if (val && (strcmp(kwd, (char *)"COOLER_DELAY") == 0)) { if (sscanf(val, "%d", &ival) == 1) { if (unit->cooler_delay != ival) syslog(LOG_NOTICE, "Fermenter unit %s cooler delay %d to %d", unit->uuid, unit->cooler_delay, ival); unit->cooler_delay = ival; } } else if (strcmp(kwd, (char *)"FAN_ADDRESS") == 0) { if (val && unit->fan_address && (strcmp(val, unit->fan_address))) syslog(LOG_NOTICE, "Fermenter unit %s fan address `%s' to `%s'", unit->uuid, unit->fan_address, val); if (unit->fan_address) { device_count(FALSE, unit->fan_address); free(unit->fan_address); } if (val) { unit->fan_address = xstrcpy(val); device_count(TRUE, unit->fan_address); } else unit->fan_address = NULL; } else if (val && (strcmp(kwd, (char *)"FAN_STATE") == 0)) { if ((sscanf(val, "%d", &ival) == 1) && ((ival == 0) || (ival == 100))) { if (unit->fan_state != ival) syslog(LOG_NOTICE, "Fermenter unit %s fan state %d to %d", unit->uuid, unit->fan_state, ival); unit->fan_state = ival; } } else if (val && (strcmp(kwd, (char *)"FAN_DELAY") == 0)) { if (sscanf(val, "%d", &ival) == 1) { if (unit->fan_delay != ival) syslog(LOG_NOTICE, "Fermenter unit %s fan delay %d to %d", unit->uuid, unit->fan_delay, ival); unit->fan_delay = ival; } } else if (strcmp(kwd, (char *)"LIGHT_ADDRESS") == 0) { if (val && unit->light_address && (strcmp(val, unit->light_address))) syslog(LOG_NOTICE, "Fermenter unit %s light address `%s' to `%s'", unit->uuid, unit->light_address, val); if (unit->light_address) { device_count(FALSE, unit->light_address); free(unit->light_address); } if (val) { unit->light_address = xstrcpy(val); device_count(TRUE, unit->light_address); } else unit->light_address = NULL; } else if (val && (strcmp(kwd, (char *)"LIGHT_STATE") == 0)) { if ((sscanf(val, "%d", &ival) == 1) && ((ival == 0) || (ival == 100))) { if (unit->light_state != ival) syslog(LOG_NOTICE, "Fermenter unit %s light state %d to %d", unit->uuid, unit->light_state, ival); unit->light_state = ival; } } else if (val && (strcmp(kwd, (char *)"LIGHT_DELAY") == 0)) { if (sscanf(val, "%d", &ival) == 1) { if (unit->light_delay != ival) syslog(LOG_NOTICE, "Fermenter unit %s light delay %d to %d", unit->uuid, unit->light_delay, ival); unit->light_delay = ival; } } else if (strcmp(kwd, (char *)"DOOR_ADDRESS") == 0) { if (val && unit->door_address && (strcmp(val, unit->door_address))) syslog(LOG_NOTICE, "Fermenter unit %s door address `%s' to `%s'", unit->uuid, unit->door_address, val); if (unit->door_address) { device_count(FALSE, unit->door_address); free(unit->door_address); } if (val) { unit->door_address = xstrcpy(val); device_count(TRUE, unit->door_address); } else unit->door_address = NULL; } else if (strcmp(kwd, (char *)"PSU_ADDRESS") == 0) { if (val && unit->psu_address && (strcmp(val, unit->psu_address))) syslog(LOG_NOTICE, "Fermenter unit %s psu address `%s' to `%s'", unit->uuid, unit->psu_address, val); if (unit->psu_address) { device_count(FALSE, unit->psu_address); free(unit->psu_address); } if (val) { unit->psu_address = xstrcpy(val); device_count(TRUE, unit->psu_address); } else unit->psu_address = NULL; } else if (val && (strcmp(kwd, (char *)"MODE") == 0)) { for (i = 0; i < 5; i++) { if (strcmp(val, UNITMODE[i]) == 0) { /* Initialize log if the unit is turned on */ if ((unit->mode == UNITMODE_OFF) && (i != UNITMODE_OFF)) initlog(unit->name); syslog(LOG_NOTICE, "Fermenter unit %s mode %s to %s", unit->uuid, UNITMODE[unit->mode], UNITMODE[i]); unit->mode = i; /* Allways turn everything off after a mode change */ unit->PID_iState = unit->PID_dState = 0.0; unit->heater_state = unit->cooler_state = unit->fan_state = unit->light_state = 0; unit->heater_wait = unit->cooler_wait = unit->fan_wait = unit->light_wait = 0; device_out(unit->heater_address, unit->heater_state); device_out(unit->cooler_address, unit->cooler_state); device_out(unit->fan_address, unit->fan_state); device_out(unit->light_address, unit->light_state); if (unit->mode == UNITMODE_PROFILE) { /* * Set a sane default until it will be overruled by the * main processing loop. */ unit->prof_target = 20.0; } break; } } } else if (val && (strcmp(kwd, (char *)"FRIDGE_SET") == 0)) { if ((sscanf(val, "%f", &fval) == 1) && (fval >= unit->temp_set_min) && (fval <= unit->temp_set_max)) { if (unit->fridge_set != fval) syslog(LOG_NOTICE, "Fermenter unit %s fridge temperature %.1f to %.1f", unit->uuid, unit->fridge_set, fval); unit->fridge_set = fval; } } else if (val && (strcmp(kwd, (char *)"BEER_SET") == 0)) { if ((sscanf(val, "%f", &fval) == 1) && (fval >= unit->temp_set_min) && (fval <= unit->temp_set_max)) { if (unit->beer_set != fval) syslog(LOG_NOTICE, "Fermenter unit %s beer temperature %.1f to %.1f", unit->uuid, unit->beer_set, fval); unit->beer_set = fval; } } else if (val && (strcmp(kwd, (char *)"PID_KP") == 0)) { if ((sscanf(val, "%f", &fval) == 1) && (fval >= 0.0)) { if (unit->PID_Kp != fval) syslog(LOG_NOTICE, "Fermenter unit %s PID Kp %.2f to %.2f", unit->uuid, unit->PID_Kp, fval); unit->PID_Kp = fval; } } else if (val && (strcmp(kwd, (char *)"PID_KD") == 0)) { if ((sscanf(val, "%f", &fval) == 1) && (fval >= 0.0)) { if (unit->PID_Kd != fval) syslog(LOG_NOTICE, "Fermenter unit %s PID Kd %.2f to %.2f", unit->uuid, unit->PID_Kd, fval); unit->PID_Kd = fval; } } else if (val && (strcmp(kwd, (char *)"PID_KI") == 0)) { if ((sscanf(val, "%f", &fval) == 1) && (fval >= 0.0)) { if (unit->PID_Ki != fval) syslog(LOG_NOTICE, "Fermenter unit %s PID Ki %.2f to %.2f", unit->uuid, unit->PID_Ki, fval); unit->PID_Ki = fval; } } else if (strcmp(kwd, (char *)"PROFILE") == 0) { if (unit->prof_state == PROFILE_OFF) { /* * Only change profile if it is not active, else drop this one. */ if (unit->profile && val && strcmp(unit->profile, val)) syslog(LOG_NOTICE, "Fermenter unit %s profile name `%s' to `%s'", unit->uuid, unit->profile, val); if (unit->profile) free(unit->profile); if (val) unit->profile = xstrcpy(val); else unit->profile = NULL; /* * Reset all output devices */ unit->PID_iState = unit->PID_dState = 0.0; unit->heater_state = unit->cooler_state = unit->fan_state = unit->light_state = 0; unit->heater_wait = unit->cooler_wait = unit->fan_wait = unit->light_wait = 0; device_out(unit->heater_address, unit->heater_state); device_out(unit->cooler_address, unit->cooler_state); device_out(unit->fan_address, unit->fan_state); device_out(unit->light_address, unit->light_state); } } else if (val && (strcmp(kwd, (char *)"PROF_STATE") == 0)) { for (i = 0; i < 5; i++) { if (strcmp(val, PROFSTATE[i]) == 0) { switch (i) { case PROFILE_OFF: if (unit->prof_state == PROFILE_DONE) { unit->prof_state = PROFILE_OFF; syslog(LOG_NOTICE, "Fermenter unit %s profile to OFF", unit->uuid); } break; case PROFILE_PAUSE: if (unit->prof_state == PROFILE_RUN) { unit->prof_state = PROFILE_PAUSE; syslog(LOG_NOTICE, "Fermenter unit %s profile PAUSE", unit->uuid); } else if (unit->prof_state == PROFILE_PAUSE) { unit->prof_state = PROFILE_RUN; syslog(LOG_NOTICE, "Fermenter unit %s profile RESUME", unit->uuid); } break; case PROFILE_RUN: if (unit->prof_state == PROFILE_OFF) { unit->prof_state = PROFILE_RUN; unit->prof_started = time(NULL); unit->prof_paused = unit->prof_primary_done = 0; unit->prof_peak_abs = unit->prof_peak_rel = 0.0; syslog(LOG_NOTICE, "Fermenter unit %s profile to RUN", unit->uuid); } break; case PROFILE_DONE: break; /* Command is illegal */ case PROFILE_ABORT: if ((unit->prof_state == PROFILE_RUN) || (unit->prof_state == PROFILE_PAUSE)) { unit->prof_state = PROFILE_OFF; unit->prof_started = 0; syslog(LOG_NOTICE, "Fermenter unit %s profile ABORT", unit->uuid); } break; } break; } } } else if (val && (strcmp(kwd, (char *)"TEMP_SET_MIN") == 0)) { if (sscanf(val, "%f", &fval) == 1) { if (unit->temp_set_min != fval) syslog(LOG_NOTICE, "Fermenter unit %s temperature set minimum %.1f to %.1f", unit->uuid, unit->temp_set_min, fval); unit->temp_set_min = fval; } } else if (val && (strcmp(kwd, (char *)"TEMP_SET_MAX") == 0)) { if (sscanf(val, "%f", &fval) == 1) { if (unit->temp_set_max != fval) syslog(LOG_NOTICE, "Fermenter unit %s temperature set maximum %.1f to %.1f", unit->uuid, unit->temp_set_max, fval); unit->temp_set_max = fval; } } else if (val && (strcmp(kwd, (char *)"IDLE_RANGE_L") == 0)) { if (sscanf(val, "%f", &fval) == 1) { if (unit->idle_rangeL != fval) syslog(LOG_NOTICE, "Fermenter unit %s idle range low %.2f to %.2f", unit->uuid, unit->idle_rangeL, fval); unit->idle_rangeL = fval; } } else if (val && (strcmp(kwd, (char *)"IDLE_RANGE_H") == 0)) { if (sscanf(val, "%f", &fval) == 1) { if (unit->idle_rangeH != fval) syslog(LOG_NOTICE, "Fermenter unit %s idle range high %.2f to %.2f", unit->uuid, unit->idle_rangeH, fval); unit->idle_rangeH = fval; } } } } } } } srv_send((char *)"440 No such unit"); return 1; } srv_send((char *)"504 Subcommand error"); return 1; } void cmd_server(void) { char buf[SS_BUFSIZE]; int i, rlen; socklen_t fromlen; memset((char *)&buf, 0, SS_BUFSIZE); fromlen = sizeof(peeraddr_in); rlen = recvfrom(s, buf, sizeof(buf) -1, 0, (struct sockaddr *)&peeraddr_in, &fromlen); if (rlen == -1) { syslog(LOG_NOTICE, "recvfrom(): %s", strerror(errno)); } else { for (i = 0; i < strlen(buf); i++) { if (buf[i] == '\n') buf[i] = '\0'; if (buf[i] == '\r') buf[i] = '\0'; } for (i = strlen(buf) -1; i > 0; i--) { if (buf[i] == ' ') buf[i] = '\0'; else break; } if (strlen(buf)) { if (debug) { syslog(LOG_NOTICE, "recv: \"%s\"", buf); fprintf(stdout, "recv: \"%s\"\n", buf); } /* * Process commands from the client */ if (strncmp(buf, "ARCHIVE", 7) == 0) { cmd_archive(buf); } else if (strncmp(buf, "DEVICE", 6) == 0) { if (cmd_device(buf) == 0) wrconfig(); } else if (strncmp(buf, "GLOBAL", 6) == 0) { if (cmd_global(buf) == 0) wrconfig(); } else if (strncmp(buf, "HELP", 4) == 0) { srv_send((char *)"100 Help text follows"); srv_send((char *)"Recognized commands:"); srv_send((char *)""); // 12345678901234567890123456789012345678901234567890123456789012345678901234567890 srv_send((char *)"ARCHIVE <CMD> [parameters] Archive commands"); srv_send((char *)"ARCHIVE HELP Archive help screen"); srv_send((char *)"DEVICE ADD type Add new Device type"); srv_send((char *)"DEVICE DEL uuid Delete Device by uuid"); srv_send((char *)"DEVICE LIST List Devices"); srv_send((char *)"DEVICE GET uuid Get Device record by uuid"); srv_send((char *)"DEVICE PUT uuid Put Device record by uuid"); srv_send((char *)"GLOBAL GET Get global settings"); srv_send((char *)"GLOBAL PUT Put global settings"); srv_send((char *)"LIST List all fermenter units"); srv_send((char *)"LIST LOG uuid List logfile data graphsteps"); srv_send((char *)"PING Check if server is alive"); srv_send((char *)"PROFILE uuid,name Profile rename"); srv_send((char *)"PROFILE ADD name Add new Profile with name"); srv_send((char *)"PROFILE DEL uuid Delete Profile by uuid"); srv_send((char *)"PROFILE LIST List available profiles"); srv_send((char *)"PROFILE GET uuid Get Profile record by uuid"); srv_send((char *)"PROFILE PUT uuid Put Profile record by uuid"); srv_send((char *)"PROFILE GETS uuid Profile get steps list"); srv_send((char *)"PROFILE PUTS uuid Profile put steps list"); #ifdef USE_SIMULATOR srv_send((char *)"SIMULATOR ADD name Add a new Simulator with name"); srv_send((char *)"SIMULATOR DEL uuid Delete Simulator by uuid"); srv_send((char *)"SIMULATOR LIST List all Simulators"); srv_send((char *)"SIMULATOR GET uuid Get Simulator record by uuid"); srv_send((char *)"SIMULATOR PUT uuid Put Simulator record by uuid"); #endif srv_send((char *)"UNIT ADD name Add a new Unit with name"); srv_send((char *)"UNIT DEL uuid Delete Unit by uuid"); srv_send((char *)"UNIT LIST List all Units"); srv_send((char *)"UNIT GET uuid Get Unit record by uuid"); srv_send((char *)"UNIT PUT uuid Put Unit record by uuid"); srv_send((char *)"."); } else if (strncmp(buf, "LIST", 4) == 0) { cmd_list(buf); } else if (strncmp(buf, "PING", 4) == 0) { srv_send((char *)"101 PONG"); } else if (strncmp(buf, "PROFILE", 7) == 0) { if (cmd_profile(buf) == 0) wrconfig(); #ifdef USE_SIMULATOR } else if (strncmp(buf, "SIMULATOR", 9) == 0) { if (cmd_simulator(buf) == 0) wrconfig(); #endif } else if (strncmp(buf, "UNIT", 4) == 0) { if (cmd_unit(buf) == 0) wrconfig(); } else { srv_send((char *)"500 Unknown command"); } } } close(s); } #ifdef HAVE_WIRINGPI_H PI_THREAD (my_server_loop) #else void *my_server_loop(void *threadid) #endif { socklen_t addrlen; int optval = 1; syslog(LOG_NOTICE, "Thread my_server_loop started"); if (debug) fprintf(stdout, "Thread my_server_loop started\n"); memset((char *)&myaddr_in, 0, sizeof(struct sockaddr_in)); memset((char *)&peeraddr_in, 0, sizeof(struct sockaddr_in)); myaddr_in.sin_family = AF_INET; myaddr_in.sin_addr.s_addr = INADDR_ANY; myaddr_in.sin_port = htons(Config.my_port); ls = socket(AF_INET, SOCK_STREAM, 0); if (ls == -1) { syslog(LOG_NOTICE, "Can't create listen socket: %s", strerror(errno)); fprintf(stderr, "Can't create listen socket: %s\n", strerror(errno)); return 0; } if (setsockopt(ls, SOL_SOCKET, SO_KEEPALIVE, &optval, sizeof(optval)) == -1) { syslog(LOG_NOTICE, "Can't setsockopt SO_KEEPALIVE socket: %s", strerror(errno)); close(ls); return 0; } if (setsockopt(ls, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)) == -1) { syslog(LOG_NOTICE, "Can't setsockopt SO_REUSEADDR socket: %s", strerror(errno)); close(ls); return 0; } if (bind(ls, (struct sockaddr *)&myaddr_in, sizeof(struct sockaddr_in)) == -1) { syslog(LOG_NOTICE, "Can't bind to listen socket: %s", strerror(errno)); close(ls); return 0; } if (listen(ls, 5) == -1) { syslog(LOG_NOTICE, "Can't listen on listen socket: %s", strerror(errno)); close(ls); return 0; } syslog(LOG_NOTICE, "listen socket created %d", ls); /* * Loop forever until the external shutdown variable is set. */ for (;;) { addrlen = sizeof(struct sockaddr_in); /* * This call will block until a new connection * arrives. Then it will return the address of * the connecting peer, and a new socket * descriptor, s, for that connection. */ s = accept(ls, (struct sockaddr *)&peeraddr_in, &addrlen); if (s == -1) { syslog(LOG_NOTICE, "my_server_loop accept failed %s", strerror(errno)); if (debug) fprintf(stdout, "my_server_loop accept failed %s\n", strerror(errno)); return 0; } cmd_server(); if (my_shutdown) { syslog(LOG_NOTICE, "Thread my_server_loop stopped"); if (debug) fprintf(stdout, "Thread my_server_loop stopped\n"); return 0; } } }