MQTTClient
Revision 9:a0e39cea763a, committed 2012-04-05
- Comitter:
- SomeRandomBloke
- Date:
- Thu Apr 05 07:50:30 2012 +0000
- Parent:
- 8:f7afec229461
- Child:
- 10:11cfe2b64069
- Commit message:
- quick fix to a length
Changed in this revision
| MQTTClient.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/MQTTClient.cpp Wed Apr 04 22:00:28 2012 +0000
+++ b/MQTTClient.cpp Thu Apr 05 07:50:30 2012 +0000
@@ -36,8 +36,8 @@
MQTTClient::~MQTTClient() {}
/** Alternative Constructor with parameters
- *
- * Allow object to be constructed with minimum parameters.
+ *
+ * Allow object to be constructed with minimum parameters.
*
* @param server The IP address of the server to connect to
* @param port The TCP/IP port on the server to connect to
@@ -47,6 +47,8 @@
this->port = port;
callback_server = callback;
serverIp = server;
+ this->userName = NULL;
+ this->password = NULL;
connected = false;
sessionOpened = false;
timer.start();
@@ -54,7 +56,7 @@
/** MQTT initialisation method
- *
+ *
* Used when default constructor used and need to specify parameters at runtime
*
* @param server The IP address of the server to connect to
@@ -73,7 +75,7 @@
}
/** A brief description of the function foo
- *
+ *
* More details about the function goes here
* and here
*
@@ -95,7 +97,7 @@
}
/** Send a message of specified size
- *
+ *
* @param msg message string
* @param size Size of the message to send
* @returns value to indicate message sent successfully or not, -1 for error, 1 for success.
@@ -115,9 +117,9 @@
}
/** Start a MQTT session, build CONNECT packet
- *
+ *
* @param id The client name shown on MQTT server.
- * @returns -1 for error, 1 for success
+ * @returns -1 for error, 1 for success
*/
int MQTTClient::open_session(char* id) {
/*variable header*/
@@ -131,7 +133,7 @@
var_header[9] |= (passwordLen > 0 ? 0x40 : 0x00 );
// printf("fixed %d, var %d id %d, username %d, password %d\n",sizeof(fixed_header), sizeof(var_header), sizeof(id), usernameLen, passwordLen );
- char packet[sizeof(fixed_header) + sizeof(var_header) + sizeof(id) + 6 + usernameLen + (usernameLen > 0 ? 2 : 0) + passwordLen + (passwordLen > 0 ? 2 : 0) ];
+ char packet[sizeof(fixed_header) + sizeof(var_header) + sizeof(id) + 6 + usernameLen + (usernameLen > 0 ? 2 : 0) + passwordLen + (passwordLen > 0 ? 2 : 0) ];
memset(packet,0,sizeof(packet));
memcpy(packet,fixed_header,sizeof(fixed_header));
@@ -164,9 +166,9 @@
}
/** Open TCP port, connect to server on given IP address.
- *
+ *
* @param id The client name shown on MQTT server.
- * @returns -1: If connect to server failed. -2: Failed to open session on server. 1: Connection accessed.
+ * @returns -1: If connect to server failed. -2: Failed to open session on server. 1: Connection accessed.
*/
int MQTTClient::connect(char* id) {
clientId = id;
@@ -188,7 +190,7 @@
printf("Error connecting to host [%d]\r\n", (int) err);
return -1;
}
- printf("Connect to host sucessed..\r\n\r\n");
+ printf("Connect to host..\r\n\r\n");
/*Wait TCP connection with server to be established*/
int i = 0;
@@ -210,10 +212,10 @@
while (!sessionOpened) {
Net::poll();
wait(1);
- if (!connected || ++i >30) {
+ if (!connected || ++i >40) {
break;
}
- printf("Wait for session..\r\n");
+ printf("Wait for session %d..\r\n", i);
}
if (!connected) {
return -2;
@@ -226,7 +228,7 @@
*
* @param pub_topic The topic name the massage will be publish on.
* @param msg The massage to be published.
- * @returns -1: Failed to publish message. 1: Publish sucessed.
+ * @returns -1: Failed to publish message. 1: Publish sucessed.
*/
int MQTTClient::publish(char* pub_topic, char* msg) {
uint8_t var_header_pub[strlen(pub_topic)+3];
@@ -259,7 +261,7 @@
}
/** Read data from receive packet
- * Determine what needs to be done with packet.
+ * Determine what needs to be done with packet.
*/
void MQTTClient::read_data() {
char buffer[1024];
@@ -287,15 +289,15 @@
if (callback_server) {
short index = 1;
short multiplier = 1;
- short value = 0;
+ short value = 0;
uint8_t digit;
do {
- digit = buffer[index++];
- value += (digit & 127) * multiplier;
+ digit = buffer[index++];
+ value += (digit & 127) * multiplier;
multiplier *= 128;
} while ((digit & 128) != 0);
printf( "variable length %d, index %d\n", value, index );
-
+
// uint8_t tl = (buffer[2]<<3)+buffer[3];
uint8_t tl = (buffer[index]<<3)+buffer[index+1];
printf("Topic len %d\n",tl);
@@ -332,9 +334,9 @@
}
/** Subscribe to a topic
- *
+ *
* @param topic The topic name to be subscribed.
- * @returns -1: Failed to subscribe to topic. 1: Subscribe sucessed.
+ * @returns -1: Failed to subscribe to topic. 1: Subscribe sucessed.
*/
int MQTTClient::subscribe(char* topic) {
@@ -365,7 +367,7 @@
}
/** Send heartbeat/keep-alive message
- *
+ *
*/
void MQTTClient::live() {
if (connected) {