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server.cpp
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/* OpenSprinkler Unified (AVR/RPI/BBB/LINUX) Firmware
* Copyright (C) 2015 by Ray Wang ([email protected])
*
* Server functions
* Feb 2015 @ OpenSprinkler.com
*
* This file is part of the OpenSprinkler library
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include "OpenSprinkler.h"
#include "program.h"
// External variables defined in main ion file
#if defined(ARDUINO)
#include "SdFat.h"
extern SdFat sd;
static uint8_t ntpclientportL = 123; // Default NTP client port
extern ulong flow_count;
#else
#include <stdarg.h>
#include <stdlib.h>
#include "etherport.h"
#include "server.h"
extern char ether_buffer[];
extern EthernetClient *m_client;
#endif
extern BufferFiller bfill;
extern char tmp_buffer[];
extern OpenSprinkler os;
extern ProgramData pd;
void write_log(byte type, ulong curr_time);
void schedule_all_stations(ulong curr_time);
void turn_off_station(byte sid, ulong curr_time);
void process_dynamic_events(ulong curr_time);
void check_network(time_t curr_time);
void check_weather(time_t curr_time);
void perform_ntp_sync(time_t curr_time);
void log_statistics(time_t curr_time);
void delete_log(char *name);
void reset_all_stations_immediate();
void reset_all_stations();
void make_logfile_name(char *name);
int available_ether_buffer();
// Define return error code
#define HTML_OK 0x00
#define HTML_SUCCESS 0x01
#define HTML_UNAUTHORIZED 0x02
#define HTML_MISMATCH 0x03
#define HTML_DATA_MISSING 0x10
#define HTML_DATA_OUTOFBOUND 0x11
#define HTML_DATA_FORMATERROR 0x12
#define HTML_RFCODE_ERROR 0x13
#define HTML_PAGE_NOT_FOUND 0x20
#define HTML_NOT_PERMITTED 0x30
#define HTML_REDIRECT_HOME 0xFF
static const prog_uchar html200OK[] PROGMEM =
"HTTP/1.1 200 OK\r\n"
;
static const prog_uchar htmlCacheCtrl[] PROGMEM =
"Cache-Control: max-age=604800, public\r\n"
;
static const prog_uchar htmlNoCache[] PROGMEM =
"Cache-Control: max-age=0, no-cache, no-store, must-revalidate\r\n"
;
static const prog_uchar htmlContentHTML[] PROGMEM =
"Content-Type: text/html\r\n"
;
static const prog_uchar htmlAccessControl[] PROGMEM =
"Access-Control-Allow-Origin: *\r\n"
;
static const prog_uchar htmlContentJSON[] PROGMEM =
"Content-Type: application/json\r\n"
"Connection: close\r\n"
;
static const prog_uchar htmlMobileHeader[] PROGMEM =
"<meta name=\"viewport\" content=\"width=device-width,initial-scale=1.0,minimum-scale=1.0,user-scalable=no\">\r\n"
;
static const prog_uchar htmlReturnHome[] PROGMEM =
"<script>window.location=\"/\";</script>\n"
;
#if defined(ARDUINO)
void print_html_standard_header() {
bfill.emit_p(PSTR("$F$F$F$F\r\n"), html200OK, htmlContentHTML, htmlNoCache, htmlAccessControl);
}
void print_json_header(bool bracket=true) {
bfill.emit_p(PSTR("$F$F$F$F\r\n"), html200OK, htmlContentJSON, htmlAccessControl, htmlNoCache);
if(bracket) bfill.emit_p(PSTR("{"));
}
byte findKeyVal (const char *str,char *strbuf, uint8_t maxlen,const char *key,bool key_in_pgm=false,uint8_t *keyfound=NULL)
{
uint8_t found=0;
uint8_t i=0;
const char *kp;
kp=key;
if (key_in_pgm) {
// key is in program memory space
while(*str && *str!=' ' && *str!='\n' && found==0){
if (*str == pgm_read_byte(kp)){
kp++;
if (pgm_read_byte(kp) == '\0'){
str++;
kp=key;
if (*str == '='){
found=1;
}
}
} else {
kp=key;
}
str++;
}
} else {
while(*str && *str!=' ' && *str!='\n' && found==0){
if (*str == *kp){
kp++;
if (*kp == '\0'){
str++;
kp=key;
if (*str == '='){
found=1;
}
}
} else {
kp=key;
}
str++;
}
}
if (found==1){
// copy the value to a buffer and terminate it with '\0'
while(*str && *str!=' ' && *str!='\n' && *str!='&' && i<maxlen-1){
*strbuf=*str;
i++;
str++;
strbuf++;
}
*strbuf='\0';
}
// return the length of the value
if (keyfound) *keyfound = found;
return(i);
}
void rewind_ether_buffer() {
bfill = ether.tcpOffset();
}
void send_packet(bool final=false) {
if(final) {
ether.httpServerReply_with_flags(bfill.position(), TCP_FLAGS_ACK_V|TCP_FLAGS_FIN_V);
} else {
ether.httpServerReply_with_flags(bfill.position(), TCP_FLAGS_ACK_V);
bfill=ether.tcpOffset();
}
}
/* Check available space (number of bytes) in the Ethernet buffer */
int available_ether_buffer() {
return ETHER_BUFFER_SIZE - (int)bfill.position();
}
#else
void print_html_standard_header() {
m_client->write((const uint8_t *)html200OK, strlen(html200OK));
m_client->write((const uint8_t *)htmlContentHTML, strlen(htmlContentHTML));
m_client->write((const uint8_t *)htmlNoCache, strlen(htmlNoCache));
m_client->write((const uint8_t *)htmlAccessControl, strlen(htmlAccessControl));
m_client->write((const uint8_t *)"\r\n", 2);
}
void print_json_header(bool bracket=true) {
m_client->write((const uint8_t *)html200OK, strlen(html200OK));
m_client->write((const uint8_t *)htmlContentJSON, strlen(htmlContentJSON));
m_client->write((const uint8_t *)htmlNoCache, strlen(htmlNoCache));
m_client->write((const uint8_t *)htmlAccessControl, strlen(htmlAccessControl));
if(bracket) m_client->write((const uint8_t *)"\r\n{", 3);
else m_client->write((const uint8_t *)"\r\n", 2);
}
byte findKeyVal (const char *str,char *strbuf, uint8_t maxlen,const char *key,bool key_in_pgm=false,uint8_t *keyfound=NULL)
{
uint8_t found=0;
uint8_t i=0;
const char *kp;
kp=key;
while(*str && *str!=' ' && *str!='\n' && found==0){
if (*str == *kp){
kp++;
if (*kp == '\0'){
str++;
kp=key;
if (*str == '='){
found=1;
}
}
} else {
kp=key;
}
str++;
}
if (found==1){
// copy the value to a buffer and terminate it with '\0'
while(*str && *str!=' ' && *str!='\n' && *str!='&' && i<maxlen-1){
*strbuf=*str;
i++;
str++;
strbuf++;
}
*strbuf='\0';
}
// return the length of the value
if (keyfound) *keyfound = found;
return(i);
}
void BufferFiller::emit_p(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
for (;;) {
char c = *fmt++;
if (c == 0)
break;
if (c != '$') {
*ptr++ = c;
continue;
}
c = *fmt++;
switch (c) {
case 'D':
itoa(va_arg(ap, int), (char*) ptr, 10); // ray
break;
case 'L':
ultoa(va_arg(ap, long), (char*) ptr, 10); // ray
break;
case 'S':
case 'F':
strcpy((char*) ptr, va_arg(ap, const char*));
break;
case 'E': {
byte* s = va_arg(ap, byte*);
char d;
while ((d = nvm_read_byte(s++)) != 0)
*ptr++ = d;
continue;
}
default:
*ptr++ = c;
continue;
}
ptr += strlen((char*) ptr);
}
*(ptr)=0;
va_end(ap);
}
void rewind_ether_buffer() {
bfill = ether_buffer;
}
void send_packet(bool final=false) {
m_client->write((const uint8_t *)ether_buffer, strlen(ether_buffer));
if (final)
m_client->stop();
else
rewind_ether_buffer();
}
int available_ether_buffer() {
return ETHER_BUFFER_SIZE - (int)bfill.position();
}
#endif
/** Convert a single hex digit character to its integer value */
unsigned char h2int(char c)
{
if (c >= '0' && c <='9'){
return((unsigned char)c - '0');
}
if (c >= 'a' && c <='f'){
return((unsigned char)c - 'a' + 10);
}
if (c >= 'A' && c <='F'){
return((unsigned char)c - 'A' + 10);
}
return(0);
}
/** Decode a url string e.g "hello%20joe" or "hello+joe" becomes "hello joe" */
void urlDecode (char *urlbuf)
{
char c;
char *dst = urlbuf;
while ((c = *urlbuf) != 0) {
if (c == '+') c = ' ';
if (c == '%') {
c = *++urlbuf;
c = (h2int(c) << 4) | h2int(*++urlbuf);
}
*dst++ = c;
urlbuf++;
}
*dst = '\0';
}
/** Check and verify password */
boolean check_password(char *p)
{
if (os.options[OPTION_IGNORE_PASSWORD]) return true;
if (findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("pw"), true)) {
urlDecode(tmp_buffer);
if (os.password_verify(tmp_buffer))
return true;
}
return false;
}
void server_json_stations_attrib(const char* name, int addr)
{
byte *attrib = (byte*)tmp_buffer;
os.station_attrib_bits_load(addr, attrib);
bfill.emit_p(PSTR("\"$F\":["), name);
for(byte i=0;i<os.nboards;i++) {
bfill.emit_p(PSTR("$D"), attrib[i]);
if(i!=os.nboards-1)
bfill.emit_p(PSTR(","));
}
bfill.emit_p(PSTR("],"));
}
void server_json_stations_main()
{
server_json_stations_attrib(PSTR("masop"), ADDR_NVM_MAS_OP);
server_json_stations_attrib(PSTR("ignore_rain"), ADDR_NVM_IGNRAIN);
server_json_stations_attrib(PSTR("masop2"), ADDR_NVM_MAS_OP_2);
server_json_stations_attrib(PSTR("stn_dis"), ADDR_NVM_STNDISABLE);
server_json_stations_attrib(PSTR("stn_seq"), ADDR_NVM_STNSEQ);
#if defined(ARDUINO) // only output stn_spe if it's supported
if (os.status.has_sd) {
server_json_stations_attrib(PSTR("stn_spe"), ADDR_NVM_STNSPE);
}
#else
server_json_stations_attrib(PSTR("stn_spe"), ADDR_NVM_STNSPE);
#endif
bfill.emit_p(PSTR("\"snames\":["));
byte sid;
for(sid=0;sid<os.nstations;sid++) {
os.get_station_name(sid, tmp_buffer);
bfill.emit_p(PSTR("\"$S\""), tmp_buffer);
if(sid!=os.nstations-1)
bfill.emit_p(PSTR(","));
if (available_ether_buffer()<80) {
send_packet();
}
}
bfill.emit_p(PSTR("],\"maxlen\":$D}"), STATION_NAME_SIZE);
delay(1);
}
/** Output stations data */
byte server_json_stations(char *p) {
print_json_header();
server_json_stations_main();
return HTML_OK;
}
/** Output station special attribute */
byte server_json_station_special(char *p) {
#if defined(ARDUINO)
// if no sd card, return false
if (!os.status.has_sd) return HTML_PAGE_NOT_FOUND;
#endif
byte sid;
byte comma=0;
int stepsize=sizeof(StationSpecialData);
StationSpecialData *stn = (StationSpecialData *)tmp_buffer;
print_json_header();
for(sid=0;sid<os.nstations;sid++) {
if(os.station_attrib_bits_read(ADDR_NVM_STNSPE+(sid>>3))&(1<<(sid&0x07))) {
read_from_file(stns_filename, (char*)stn, stepsize, sid*stepsize);
if (comma) bfill.emit_p(PSTR(","));
else {comma=1;}
bfill.emit_p(PSTR("\"$D\":{\"st\":$D,\"sd\":\"$S\"}"), sid, stn->type, stn->data);
}
}
bfill.emit_p(PSTR("}"));
delay(1);
return HTML_OK;
}
void server_change_stations_attrib(char *p, char header, int addr)
{
byte attrib[MAX_EXT_BOARDS+1];
os.station_attrib_bits_load(addr, attrib);
char tbuf2[3] = {0, 0, 0};
byte bid;
tbuf2[0]=header;
for(bid=0;bid<os.nboards;bid++) {
itoa(bid, tbuf2+1, 10);
if(findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, tbuf2)) {
attrib[bid] = atoi(tmp_buffer);
}
}
os.station_attrib_bits_save(addr, attrib);
}
/**
* Change Station Name and Attributes
* Command: /cs?pw=xxx&s?=x&m?=x&i?=x&n?=x&d?=x
*
* pw: password
* s?: station name (? is station index, starting from 0)
* m?: master operation bit field (? is board index, starting from 0)
* i?: ignore rain bit field
* n?: master2 operation bit field
* d?: disable sation bit field
* q?: station sequeitnal bit field
* p?: station special flag bit field
*/
byte server_change_stations(char *p)
{
byte sid;
char tbuf2[4] = {'s', 0, 0, 0};
// process station names
for(sid=0;sid<os.nstations;sid++) {
itoa(sid, tbuf2+1, 10);
if(findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, tbuf2)) {
urlDecode(tmp_buffer);
os.set_station_name(sid, tmp_buffer);
}
}
server_change_stations_attrib(p, 'm', ADDR_NVM_MAS_OP); // master1
server_change_stations_attrib(p, 'i', ADDR_NVM_IGNRAIN); // ignore rain
server_change_stations_attrib(p, 'n', ADDR_NVM_MAS_OP_2); // master2
server_change_stations_attrib(p, 'd', ADDR_NVM_STNDISABLE); // disable
server_change_stations_attrib(p, 'q', ADDR_NVM_STNSEQ); // sequential
#if defined(ARDUINO) // only parse station special bits if it's supported
if(os.status.has_sd) {
server_change_stations_attrib(p, 'p', ADDR_NVM_STNSPE); // special
}
#else
server_change_stations_attrib(p, 'p', ADDR_NVM_STNSPE); // special
#endif
/* handle special data */
if(findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("sid"), true)) {
sid = atoi(tmp_buffer);
if(sid<0 || sid>os.nstations) return HTML_DATA_OUTOFBOUND;
if(findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("st"), true) &&
findKeyVal(p, tmp_buffer+1, TMP_BUFFER_SIZE, PSTR("sd"), true)) {
int stepsize=sizeof(StationSpecialData);
tmp_buffer[0]-='0';
tmp_buffer[stepsize-1] = 0;
write_to_file(stns_filename, tmp_buffer, strlen(tmp_buffer)+1, stepsize*sid, false);
} else {
return HTML_DATA_MISSING;
}
}
return HTML_SUCCESS;
}
/** Parse one number from a comma separate list */
uint16_t parse_listdata(char **p) {
char* pv;
int i=0;
tmp_buffer[i]=0;
// copy to tmp_buffer until a non-number is encountered
for(pv=(*p);pv<(*p)+10;pv++) {
if ((*pv)=='-' || (*pv)=='+' || ((*pv)>='0'&&(*pv)<='9'))
tmp_buffer[i++] = (*pv);
else
break;
}
tmp_buffer[i]=0;
*p = pv+1;
return (uint16_t)atol(tmp_buffer);
}
/**
* Change run-once program
* Command: /cr?pw=xxx&t=[x,x,x...]
*
* pw: password
* t: station water time
*/
byte server_change_runonce(char *p) {
// decode url first
urlDecode(p);
// search for the start of v=[
char *pv;
boolean found=false;
for(pv=p;(*pv)!=0 && pv<p+100;pv++) {
if(strncmp(pv, "t=[", 3)==0) {
found=true;
break;
}
}
if(!found) return HTML_DATA_MISSING;
pv+=3;
// reset all stations and prepare to run one-time program
reset_all_stations_immediate();
byte sid, bid, s;
uint16_t dur;
boolean match_found = false;
for(sid=0;sid<os.nstations;sid++) {
dur=parse_listdata(&pv);
bid=sid>>3;
s=sid&0x07;
// if non-zero duration is given
// and if the station has not been disabled
if (dur>0 && !(os.station_attrib_bits_read(ADDR_NVM_STNDISABLE+bid)&(1<<s))) {
RuntimeQueueStruct *q = pd.enqueue();
if (q) {
q->st = 0;
q->dur = water_time_resolve(dur);
q->pid = 254;
q->sid = sid;
match_found = true;
}
}
}
if(match_found) {
schedule_all_stations(os.now_tz());
return HTML_SUCCESS;
}
return HTML_DATA_MISSING;
}
/**
* Delete a program
* Command: /dp?pw=xxx&pid=xxx
*
* pw: password
* pid:program index (-1 will delete all programs)
*/
byte server_delete_program(char *p) {
if (!findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("pid"), true))
return HTML_DATA_MISSING;
int pid=atoi(tmp_buffer);
if (pid == -1) {
pd.eraseall();
} else if (pid < pd.nprograms) {
pd.del(pid);
} else {
return HTML_DATA_OUTOFBOUND;
}
return HTML_SUCCESS;
}
/**
* Move up a program
* Command: /up?pw=xxx&pid=xxx
*
* pw: password
* pid: program index (must be 1 or larger, because we can't move up program 0)
*/
byte server_moveup_program(char *p) {
if (!findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("pid"), true)) {
return HTML_DATA_MISSING;
}
int pid=atoi(tmp_buffer);
if (!(pid>=1 && pid< pd.nprograms)) return HTML_DATA_OUTOFBOUND;
pd.moveup(pid);
return HTML_SUCCESS;
}
/**
* Change a program
* Command: /cp?pw=xxx&pid=x&v=[flag,days0,days1,[start0,start1,start2,start3],[dur0,dur1,dur2..]]&name=x
*
* pw: password
* pid: program index
* flag: program flag
* start?:up to 4 start times
* dur?: station water time
* name: program name
*/
const prog_char _str_program[] PROGMEM = "Program ";
byte server_change_program(char *p) {
byte i;
ProgramStruct prog;
// parse program index
if (!findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("pid"), true)) {
return HTML_DATA_MISSING;
}
int pid=atoi(tmp_buffer);
if (!(pid>=-1 && pid< pd.nprograms)) return HTML_DATA_OUTOFBOUND;
// parse program name
if (findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("name"), true)) {
urlDecode(tmp_buffer);
strncpy(prog.name, tmp_buffer, PROGRAM_NAME_SIZE);
} else {
strcpy_P(prog.name, _str_program);
itoa((pid==-1)? (pd.nprograms+1): (pid+1), prog.name+8, 10);
}
// do a full string decoding
urlDecode(p);
// parse ad-hoc v=[...
// search for the start of v=[
char *pv;
boolean found=false;
for(pv=p;(*pv)!=0 && pv<p+100;pv++) {
if(strncmp(pv, "v=[", 3)==0) {
found=true;
break;
}
}
if(!found) return HTML_DATA_MISSING;
pv+=3;
// parse headers
*(char*)(&prog) = parse_listdata(&pv);
prog.days[0]= parse_listdata(&pv);
prog.days[1]= parse_listdata(&pv);
// parse start times
pv++; // this should be a '['
for (i=0;i<MAX_NUM_STARTTIMES;i++) {
prog.starttimes[i] = parse_listdata(&pv);
}
pv++; // this should be a ','
pv++; // this should be a '['
for (i=0;i<os.nstations;i++) {
uint16_t pre = parse_listdata(&pv);
prog.durations[i] = water_time_encode(pre);
}
pv++; // this should be a ']'
pv++; // this should be a ']'
// parse program name
// i should be equal to os.nstations at this point
for(;i<MAX_NUM_STATIONS;i++) {
prog.durations[i] = 0; // clear unused field
}
// process interval day remainder (relative-> absolute)
if (prog.type == PROGRAM_TYPE_INTERVAL && prog.days[1] > 1) {
pd.drem_to_absolute(prog.days);
}
if (pid==-1) {
if(!pd.add(&prog))
return HTML_DATA_OUTOFBOUND;
} else {
if(!pd.modify(pid, &prog))
return HTML_DATA_OUTOFBOUND;
}
return HTML_SUCCESS;
}
void server_json_options_main() {
byte oid;
for(oid=0;oid<NUM_OPTIONS;oid++) {
#if !defined(ARDUINO) // do not send the following parameters for non-Arduino platforms
if (oid==OPTION_USE_NTP || oid==OPTION_USE_DHCP ||
oid==OPTION_STATIC_IP1 || oid==OPTION_STATIC_IP2 || oid==OPTION_STATIC_IP3 || oid==OPTION_STATIC_IP4 ||
oid==OPTION_GATEWAY_IP1 || oid==OPTION_GATEWAY_IP2 || oid==OPTION_GATEWAY_IP3 || oid==OPTION_GATEWAY_IP4)
continue;
#endif
int32_t v=os.options[oid];
if (oid==OPTION_MASTER_OFF_ADJ || oid==OPTION_MASTER_OFF_ADJ_2) {v-=60;}
if (oid==OPTION_STATION_DELAY_TIME) {v=water_time_decode_signed(v);}
#if defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega1284__)
if (oid==OPTION_BOOST_TIME) {
if (os.hw_type==HW_TYPE_AC) continue;
else v<<=2;
}
#else
if (oid==OPTION_BOOST_TIME) continue;
#endif
if (oid==OPTION_SEQUENTIAL_RETIRED) continue;
if (oid==OPTION_DEVICE_ID && os.status.has_hwmac) continue; // do not send DEVICE ID if hardware MAC exists
// each json name takes 5 characters
strncpy_P0(tmp_buffer, op_json_names+oid*5, 5);
bfill.emit_p(PSTR("\"$S\":$D"),
tmp_buffer, v);
if(oid!=NUM_OPTIONS-1)
bfill.emit_p(PSTR(","));
}
bfill.emit_p(PSTR(",\"dexp\":$D,\"mexp\":$D,\"hwt\":$D}"), os.detect_exp(), MAX_EXT_BOARDS, os.hw_type);
delay(1);
}
/** Output Options */
byte server_json_options(char *p) {
print_json_header();
server_json_options_main();
return HTML_OK;
}
void server_json_programs_main() {
bfill.emit_p(PSTR("\"nprogs\":$D,\"nboards\":$D,\"mnp\":$D,\"mnst\":$D,\"pnsize\":$D,\"pd\":["),
pd.nprograms, os.nboards, MAX_NUMBER_PROGRAMS, MAX_NUM_STARTTIMES, PROGRAM_NAME_SIZE);
byte pid, i;
ProgramStruct prog;
for(pid=0;pid<pd.nprograms;pid++) {
pd.read(pid, &prog);
if (prog.type == PROGRAM_TYPE_INTERVAL && prog.days[1] > 1) {
pd.drem_to_relative(prog.days);
}
byte bytedata = *(char*)(&prog);
bfill.emit_p(PSTR("[$D,$D,$D,["), bytedata, prog.days[0], prog.days[1]);
// start times data
for (i=0;i<(MAX_NUM_STARTTIMES-1);i++) {
bfill.emit_p(PSTR("$D,"), prog.starttimes[i]);
}
bfill.emit_p(PSTR("$D],["), prog.starttimes[i]); // this is the last element
// station water time
for (i=0; i<os.nstations-1; i++) {
bfill.emit_p(PSTR("$L,"),(unsigned long)water_time_decode(prog.durations[i]));
}
bfill.emit_p(PSTR("$L],\""),(unsigned long)water_time_decode(prog.durations[i])); // this is the last element
// program name
strncpy(tmp_buffer, prog.name, PROGRAM_NAME_SIZE);
tmp_buffer[PROGRAM_NAME_SIZE] = 0; // make sure the string ends
bfill.emit_p(PSTR("$S"), tmp_buffer);
if(pid!=pd.nprograms-1) {
bfill.emit_p(PSTR("\"],"));
} else {
bfill.emit_p(PSTR("\"]"));
}
// push out a packet if available
// buffer size is getting small
if (available_ether_buffer() < 250) {
send_packet();
}
}
bfill.emit_p(PSTR("]}"));
delay(1);
}
/** Output program data */
byte server_json_programs(char *p) {
print_json_header();
server_json_programs_main();
return HTML_OK;
}
/** Output script url form */
byte server_view_scripturl(char *p) {
print_html_standard_header();
bfill.emit_p(PSTR("<form name=of action=cu method=get><table cellspacing=\"12\"><tr><td><b>JavaScript</b>:</td><td><input type=text size=40 maxlength=40 value=\"$E\" name=jsp></td></tr><tr><td>Default:</td><td>$S</td></tr><tr><td><b>Weather</b>:</td><td><input type=text size=40 maxlength=40 value=\"$E\" name=wsp></td></tr><tr><td>Default:</td><td>$S</td></tr><tr><td><b>Password</b>:</td><td><input type=password size=32 name=pw> <input type=submit></td></tr></table></form><script src=https://ui.opensprinkler.com/js/hasher.js></script>"), ADDR_NVM_JAVASCRIPTURL, DEFAULT_JAVASCRIPT_URL, ADDR_NVM_WEATHERURL, DEFAULT_WEATHER_URL);
return HTML_OK;
}
extern ulong flow_count;
void server_json_controller_main() {
byte bid, sid;
ulong curr_time = os.now_tz();
//os.nvm_string_get(ADDR_NVM_LOCATION, tmp_buffer);
bfill.emit_p(PSTR("\"devt\":$L,\"nbrd\":$D,\"en\":$D,\"rd\":$D,\"rs\":$D,\"rdst\":$L,"
"\"loc\":\"$E\",\"wtkey\":\"$E\",\"sunrise\":$D,\"sunset\":$D,\"eip\":$L,\"lwc\":$L,\"lswc\":$L,"
"\"lrun\":[$D,$D,$D,$L],"),
curr_time,
os.nboards,
os.status.enabled,
os.status.rain_delayed,
os.status.rain_sensed,
os.nvdata.rd_stop_time,
ADDR_NVM_LOCATION,
ADDR_NVM_WEATHER_KEY,
os.nvdata.sunrise_time,
os.nvdata.sunset_time,
os.nvdata.external_ip,
os.checkwt_lasttime,
os.checkwt_success_lasttime,
pd.lastrun.station,
pd.lastrun.program,
pd.lastrun.duration,
pd.lastrun.endtime);
#if defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega1284__)
if(os.status.has_curr_sense) {
bfill.emit_p(PSTR("\"curr\":$D,"), os.read_current());
}
#endif
if(os.options[OPTION_SENSOR_TYPE]==SENSOR_TYPE_FLOW) {
bfill.emit_p(PSTR("\"flcrt\":$L,\"flwrt\":$D,"), os.flowcount_rt, FLOWCOUNT_RT_WINDOW);
}
bfill.emit_p(PSTR("\"sbits\":["));
// print sbits
for(bid=0;bid<os.nboards;bid++)
bfill.emit_p(PSTR("$D,"), os.station_bits[bid]);
bfill.emit_p(PSTR("0],\"ps\":["));
// print ps
for(sid=0;sid<os.nstations;sid++) {
unsigned long rem = 0;
byte qid = pd.station_qid[sid];
RuntimeQueueStruct *q = pd.queue + qid;
if (qid<255) {
rem = (curr_time >= q->st) ? (q->st+q->dur-curr_time) : q->dur;
if(rem>65535) rem = 0;
}
bfill.emit_p(PSTR("[$D,$L,$L]"), (qid<255)?q->pid:0, rem, (qid<255)?q->st:0);
bfill.emit_p((sid<os.nstations-1)?PSTR(","):PSTR("]"));
// if available ether buffer is getting small
// send out a packet
if(available_ether_buffer() < 80) {
send_packet();
}
}
if(read_from_file(wtopts_filename, tmp_buffer)) {
bfill.emit_p(PSTR(",\"wto\":{$S}"), tmp_buffer);
}
bfill.emit_p(PSTR("}"));
delay(1);
}
/** Output controller variables in json */
byte server_json_controller(char *p) {
print_json_header();
server_json_controller_main();
return HTML_OK;
}
/** Output homepage */
byte server_home()
{
print_html_standard_header();
bfill.emit_p(PSTR("<!DOCTYPE html>\n<html>\n<head>\n$F</head>\n<body>\n<script>"), htmlMobileHeader);
// send server variables and javascript packets
bfill.emit_p(PSTR("var ver=$D,ipas=$D;</script>\n"),
OS_FW_VERSION, os.options[OPTION_IGNORE_PASSWORD]);
bfill.emit_p(PSTR("<script src=\"$E/home.js\"></script>\n</body>\n</html>"), ADDR_NVM_JAVASCRIPTURL);
return HTML_OK;
}
/**
* Change controller variables
* Command: /cv?pw=xxx&rsn=x&rbt=x&en=x&rd=x&sl=x
*
* pw: password
* rsn: reset all stations (0 or 1)
* rbt: reboot controller (0 or 1)
* en: enable (0 or 1)
* rd: rain delay hours (0 turns off rain delay)
* re: remote extension mode
* update: launch update script (for OSPi/OSBo/Linux only)
*/
byte server_change_values(char *p)
{
if (findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("rsn"), true)) {
reset_all_stations();
}
#ifndef ARDUINO
if (findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("update"), true) && atoi(tmp_buffer) > 0) {
//bfill.emit_p(PSTR("Updating..."));
os.update_dev();
}
#endif
#define TIME_REBOOT_DELAY 20
if (findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("rbt"), true) && atoi(tmp_buffer) > 0) {
print_html_standard_header();
//bfill.emit_p(PSTR("Rebooting..."));
send_packet(true);
os.reboot_dev();
}
if (findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("en"), true)) {
if (tmp_buffer[0]=='1' && !os.status.enabled) os.enable();
else if (tmp_buffer[0]=='0' && os.status.enabled) os.disable();
}
if (findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("rd"), true)) {
int rd = atoi(tmp_buffer);
if (rd>0) {
os.nvdata.rd_stop_time = os.now_tz() + (unsigned long) rd * 3600;
os.raindelay_start();
} else if (rd==0){
os.raindelay_stop();
} else return HTML_DATA_OUTOFBOUND;
}
if (findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("re"), true)) {
if (tmp_buffer[0]=='1' && !os.options[OPTION_REMOTE_EXT_MODE]) {
os.options[OPTION_REMOTE_EXT_MODE] = 1;
os.options_save();
} else if(tmp_buffer[0]=='0' && os.options[OPTION_REMOTE_EXT_MODE]) {
os.options[OPTION_REMOTE_EXT_MODE] = 0;
os.options_save();
}
}
return HTML_SUCCESS;
}
// remove spaces from a string
void string_remove_space(char *src) {
char *dst = src;
while(1) {
if (*src != ' ') {
*dst++ = *src;
}
if (*src == 0) break;
src++;
}
}
/**
* Change script url
* Command: /cu?pw=xxx&jsp=x
*
* pw: password
* jsp: Javascript path
*/
byte server_change_scripturl(char *p)
{
#if defined(DEMO)
return HTML_REDIRECT_HOME;
#endif
if (findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("jsp"), true)) {
urlDecode(tmp_buffer);
tmp_buffer[MAX_JAVASCRIPTURL]=0; // make sure we don't exceed the maximum size
// trim unwanted space characters
string_remove_space(tmp_buffer);
nvm_write_block(tmp_buffer, (void *)ADDR_NVM_JAVASCRIPTURL, strlen(tmp_buffer)+1);
}
if (findKeyVal(p, tmp_buffer, TMP_BUFFER_SIZE, PSTR("wsp"), true)) {
urlDecode(tmp_buffer);
tmp_buffer[MAX_WEATHERURL]=0;
string_remove_space(tmp_buffer);
nvm_write_block(tmp_buffer, (void *)ADDR_NVM_WEATHERURL, strlen(tmp_buffer)+1);
}
return HTML_REDIRECT_HOME;
}
/**
* Change options
* Command: /co?pw=xxx&o?=x&loc=x&wtkey=x&ttt=x
*
* pw: password
* o?: option name (? is option index)
* loc: location
* wtkey: weather underground api key
* ttt: manual time (applicable only if ntp=0)
*/
byte server_change_options(char *p)
{
// temporarily save some old options values
bool time_change = false;
bool weather_change = false;
bool network_change = false;
// !!! p and bfill share the same buffer, so don't write
// to bfill before you are done analyzing the buffer !!!