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fork from simple sample of mqtt
Dependencies: azure_c_shared_utility azure_umqtt_c iothub_client iothub_mqtt_transport serializer wolfSSL
Fork of simplesample_mqtt by
Revision 32:27328e208674, committed 2017-02-07
- Comitter:
- lrh
- Date:
- Tue Feb 07 07:56:36 2017 +0000
- Parent:
- 31:2d799f24f22a
- Commit message:
- test1
Changed in this revision
diff -r 2d799f24f22a -r 27328e208674 EthernetInterface.lib --- a/EthernetInterface.lib Mon Feb 06 02:43:57 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/users/mbed_official/code/EthernetInterface/#183490eb1b4a
diff -r 2d799f24f22a -r 27328e208674 NTPClient.lib --- a/NTPClient.lib Mon Feb 06 02:43:57 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/users/KKempeneers/code/NTPClient/#537dcd4ff837
diff -r 2d799f24f22a -r 27328e208674 NTPClient/NTPClient.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NTPClient/NTPClient.cpp Tue Feb 07 07:56:36 2017 +0000 @@ -0,0 +1,176 @@ +/* NTPClient.cpp */ +/* Copyright (C) 2012 mbed.org, MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +//Debug is disabled by default +#if 1 +//Enable debug +#define __DEBUG__ +#include <cstdio> +#define DBG(x, ...) std::printf("[NTPClient : DBG]"x"\r\n", ##__VA_ARGS__); +#define WARN(x, ...) std::printf("[NTPClient : WARN]"x"\r\n", ##__VA_ARGS__); +#define ERR(x, ...) std::printf("[NTPClient : ERR]"x"\r\n", ##__VA_ARGS__); + +#else +//Disable debug +#define DBG(x, ...) +#define WARN(x, ...) +#define ERR(x, ...) + +#endif + +#include "NTPClient.h" +#include "UDPSocket.h" +#include "EthernetInterface.h" +#include "mbed.h" //time() and set_time() + +#define NTP_PORT 123 +#define NTP_CLIENT_PORT 0 //Random port +#define NTP_TIMESTAMP_DELTA 2208988800ull //Diff btw a UNIX timestamp (Starting Jan, 1st 1970) and a NTP timestamp (Starting Jan, 1st 1900) + +NTPClient::NTPClient() +{ + +} + +NTPResult NTPClient::setTime(const char* host, uint16_t port, uint32_t timeout) +{ + + DBG("start to create socket"); + EthernetInterface eth; + eth.connect(); + if(m_sock.open(ð)!=0) + { + DBG("unable to create socket");; + } + +#ifdef __DEBUG__ + time_t ctTime; + ctTime = time(NULL); + DBG("Time is set to (UTC): %s", ctime(&ctTime)); +#endif + + //Create & bind socket + DBG("Binding socket"); + + m_sock.set_blocking(false); + m_sock.set_timeout(timeout); + + struct NTPPacket pkt; + SocketAddress sendAddress(host,port); + if(eth.gethostbyname(host, &sendAddress)!= 0) + { + printf("UNABLE TO GET THE HOST"); + m_sock.close(); + return NTP_DNS; + } + + const char *ip = sendAddress.get_ip_address(); + printf("IP address is: %s\n", ip ? ip : "No IP"); + + //Now ping the server and wait for response + DBG("Ping"); + //Prepare NTP Packet: + pkt.li = 0; //Leap Indicator : No warning + pkt.vn = 4; //Version Number : 4 + pkt.mode = 3; //Client mode + pkt.stratum = 0; //Not relevant here + pkt.poll = 0; //Not significant as well + pkt.precision = 0; //Neither this one is + + pkt.rootDelay = 0; //Or this one + pkt.rootDispersion = 0; //Or that one + pkt.refId = 0; //... + + pkt.refTm_s = 0; + pkt.origTm_s = 0; + pkt.rxTm_s = 0; + pkt.txTm_s = htonl( NTP_TIMESTAMP_DELTA + time(NULL) ); //WARN: We are in LE format, network byte order is BE + + pkt.refTm_f = pkt.origTm_f = pkt.rxTm_f = pkt.txTm_f = 0; + + + + //Set timeout, non-blocking and wait using select + int ret = m_sock.sendto( sendAddress, (char*)&pkt, sizeof(NTPPacket) ); + if (ret < 0 ) + { + ERR("Could not send packet"); + m_sock.close(); + return NTP_CONN; + } + + DBG("Pong"); + //Read response + SocketAddress recvAddress; + recvAddress.set_ip_address(sendAddress.get_ip_address()); + recvAddress.set_port(port); + + //do + //{ + ret = m_sock.recvfrom( &recvAddress, (char*)&pkt, sizeof(NTPPacket) ); //FIXME need a DNS Resolver to actually compare the incoming address with the DNS name + if(ret < 0) + { + ERR("Could not receive packet"); + m_sock.close(); + return NTP_CONN; + } + //} while( strcmp(sendAddress.get_ip_address(), recvAddress.get_ip_address()) != 0 ); + + if(ret < sizeof(NTPPacket)) //TODO: Accept chunks + { + ERR("Receive packet size does not match"); + m_sock.close(); + return NTP_PRTCL; + } + + if( pkt.stratum == 0) //Kiss of death message : Not good ! + { + ERR("Kissed to death!"); + m_sock.close(); + return NTP_PRTCL; + } + + //Correct Endianness + pkt.refTm_s = ntohl( pkt.refTm_s ); + pkt.refTm_f = ntohl( pkt.refTm_f ); + pkt.origTm_s = ntohl( pkt.origTm_s ); + pkt.origTm_f = ntohl( pkt.origTm_f ); + pkt.rxTm_s = ntohl( pkt.rxTm_s ); + pkt.rxTm_f = ntohl( pkt.rxTm_f ); + pkt.txTm_s = ntohl( pkt.txTm_s ); + pkt.txTm_f = ntohl( pkt.txTm_f ); + + //Compute offset, see RFC 4330 p.13 + uint32_t destTm_s = (NTP_TIMESTAMP_DELTA + time(NULL)); + int64_t offset = ( (int64_t)( pkt.rxTm_s - pkt.origTm_s ) + (int64_t) ( pkt.txTm_s - destTm_s ) ) / 2; //Avoid overflow + DBG("Sent @%ul", pkt.txTm_s); + DBG("Offset: %lld", offset); + //Set time accordingly + set_time( time(NULL) + offset ); + +#ifdef __DEBUG__ + ctTime = time(NULL); + DBG("Time is now (UTC): %s", ctime(&ctTime)); +#endif + + m_sock.close(); + + return NTP_OK; +} +
diff -r 2d799f24f22a -r 27328e208674 NTPClient/NTPClient.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NTPClient/NTPClient.h Tue Feb 07 07:56:36 2017 +0000 @@ -0,0 +1,102 @@ +/* NTPClient.h */ +/* Copyright (C) 2012 mbed.org, MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/** \file +NTP Client header file +*/ + +#ifndef NTPCLIENT_H_ +#define NTPCLIENT_H_ + +#include <cstdint> + +using std::uint8_t; +using std::uint16_t; +using std::uint32_t; + +#include "UDPSocket.h" + +#define NTP_DEFAULT_PORT 123 +#define NTP_DEFAULT_TIMEOUT 4000 + +///NTP client results +enum NTPResult +{ + NTP_DNS, ///<Could not resolve name + NTP_PRTCL, ///<Protocol error + NTP_TIMEOUT, ///<Connection timeout + NTP_CONN, ///<Connection error + NTP_OK = 0, ///<Success +}; + +/** NTP Client to update the mbed's RTC using a remote time server +* +*/ +class NTPClient +{ +public: + /** + Instantiate the NTP client + */ + NTPClient(); + + /**Get current time (blocking) + Update the time using the server host + Blocks until completion + @param host NTP server IPv4 address or hostname (will be resolved via DNS) + @param port port to use; defaults to 123 + @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended) + @return 0 on success, NTP error code (<0) on failure + */ + NTPResult setTime(const char* host, uint16_t port = NTP_DEFAULT_PORT, uint32_t timeout = NTP_DEFAULT_TIMEOUT); //Blocking + +private: + struct NTPPacket //See RFC 4330 for Simple NTP + { + //WARN: We are in LE! Network is BE! + //LSb first + unsigned mode : 3; + unsigned vn : 3; + unsigned li : 2; + + uint8_t stratum; + uint8_t poll; + uint8_t precision; + //32 bits header + + uint32_t rootDelay; + uint32_t rootDispersion; + uint32_t refId; + + uint32_t refTm_s; + uint32_t refTm_f; + uint32_t origTm_s; + uint32_t origTm_f; + uint32_t rxTm_s; + uint32_t rxTm_f; + uint32_t txTm_s; + uint32_t txTm_f; + } __attribute__ ((packed)); + + UDPSocket m_sock; + +}; + + +#endif /* NTPCLIENT_H_ */
diff -r 2d799f24f22a -r 27328e208674 main.c --- a/main.c Mon Feb 06 02:43:57 2017 +0000 +++ b/main.c Tue Feb 07 07:56:36 2017 +0000 @@ -6,7 +6,7 @@ int main(void) { simplesample_mqtt_run(); - + return 0; }
diff -r 2d799f24f22a -r 27328e208674 mbed-os.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Tue Feb 07 07:56:36 2017 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#269f58d75b752a4e67a6a2d8c5c698635ffd6752
diff -r 2d799f24f22a -r 27328e208674 mbed-rtos.lib --- a/mbed-rtos.lib Mon Feb 06 02:43:57 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/users/mbed_official/code/mbed-rtos/#4c105b8d7cae
diff -r 2d799f24f22a -r 27328e208674 mbed.bld --- a/mbed.bld Mon Feb 06 02:43:57 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/6c34061e7c34 \ No newline at end of file