Mqtt協議IOS移植完1

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MQTTClient.h

#import <Foundation/Foundation.h>@protocol MQTTDelegate <NSObject>/** * @brief 串連server * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void) didConnect: (NSUInteger)code;/** * @brief 與server中斷連線 * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void) didDisconnect;/** * @brief  * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void) didPublish: (NSUInteger)messageId;// FIXME: create MosquittoMessage class/** * @brief  接收訊息 * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void) didReceiveMessage: (NSString*)message topic:(NSString*)topic;/** * @brief  * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void) didSubscribe: (NSUInteger)messageId grantedQos:(NSArray*)qos;/** * @brief  * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void) didUnsubscribe: (NSUInteger)messageId;@end@interface MQTTClient : NSObject{    struct mosquitto      *mosq;    NSString              *host;    unsigned short        port;    NSString              *username;    NSString              *password;    unsigned short        keepAlive;    BOOL                  cleanSession;        id<MQTTDelegate>      delegate;    NSTimer               *timer;}@property (readwrite,retain) NSString             *host;@property (readwrite,assign) unsigned short       port;@property (readwrite,retain) NSString             *username;@property (readwrite,retain) NSString             *password;@property (readwrite,assign) unsigned short       keepAlive;@property (readwrite,assign) BOOL                 cleanSession;@property (readwrite,assign) id<MQTTDelegate>     delegate;/** * @brief 單例模式的設定 * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */+(MQTTClient *)getMQTTInstance;/** * @brief * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */+ (void) initialize;/** * @brief * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */+ (NSString*) version;/** * @brief * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (MQTTClient *) initWithClientId: (NSString*) clientId;/** * @brief * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void) setMessageRetry: (NSUInteger)seconds;/** * @brief    串連server * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void) connect;/** * @brief    串連到主機 * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void) connectToHost: (NSString*)host;/** * @brief * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void) reconnect;/** * @brief * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void) disconnect;/** * @brief * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void)publishString: (NSString *)payload toTopic:(NSString *)topic retain:(BOOL)retain;//- (void)publishMessage/** * @brief * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void)subscribe: (NSString *)topic;/** * @brief * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void)subscribe: (NSString *)topic withQos:(NSUInteger)qos;/** * @brief * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (void)unsubscribe: (NSString *)topic;// This is called automatically when connected- (void) loop: (NSTimer *)timer;@end

MQTTClient.m

#import "MQTTClient.h"#import "mosquitto.h"@implementation MQTTClient@synthesize host;@synthesize port;@synthesize username;@synthesize password;@synthesize keepAlive;@synthesize cleanSession;@synthesize delegate;/** * @brief 單例模式的設定 * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */static MQTTClient *qttInstance = nil;+(MQTTClient *)getMQTTInstance{    @synchronized(self){if(qttInstance==nil){qttInstance=[[self alloc]init];        }}return qttInstance;}/** * @brief 串連mqtt * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */static void on_connect(struct mosquitto *mosq, void *obj, int rc){    MQTTClient* client = (MQTTClient *)obj;    [[client delegate] didConnect:(NSUInteger)rc];}/** * @brief 斷開與mqtt的串連 * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */static void on_disconnect(struct mosquitto *mosq, void *obj, int rc){    MQTTClient* client = (MQTTClient *)obj;    [[client delegate] didDisconnect];}/** * @brief publish  message * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */static void on_publish(struct mosquitto *mosq, void *obj, int message_id){    MQTTClient* client = (MQTTClient *)obj;    [[client delegate] didPublish:(NSUInteger)message_id];}/** * @brief receive  message * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */static void on_message(struct mosquitto *mosq, void *obj, const struct mosquitto_message *message){    MQTTClient * client = (MQTTClient *)obj;    NSString *topic = [NSString stringWithUTF8String: message->topic];    NSString *payload = [[[NSString alloc] initWithBytes:message->payload                                                  length:message->payloadlen                                                encoding:NSUTF8StringEncoding] autorelease];        // FIXME: create MosquittoMessage class instead    [[client delegate] didReceiveMessage:payload topic:topic];}/** * @brief didSubscribe * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */static void on_subscribe(struct mosquitto *mosq, void *obj, int message_id, int qos_count, const int *granted_qos){    MQTTClient * client = (MQTTClient *)obj;    // FIXME: implement this    [[client delegate] didSubscribe:message_id grantedQos:nil];}/** * @brief  * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */static void on_unsubscribe(struct mosquitto *mosq, void *obj, int message_id){    MQTTClient * client = (MQTTClient *)obj;    [[client delegate] didUnsubscribe:message_id];}/** * @brief  Initialize is called just before the first object is allocated * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */+ (void)initialize{    mosquitto_lib_init();}/** * @brief 版本號碼資訊 * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */+ (NSString*)version{    int major, minor, revision;    mosquitto_lib_version(&major, &minor, &revision);    return [NSString stringWithFormat:@"%d.%d.%d", major, minor, revision];}/** * @brief 設定些參數狀態配置 * * @param [in]　N/A * @param [out]　N/A * @return　void * @note */- (MQTTClient *) initWithClientId: (NSString*) clientId{    if ((self = [super init]))    {        const char* cstrClientId = [clientId cStringUsingEncoding:NSUTF8StringEncoding];        [self setHost: nil];        [self setPort: 1883];        [self setKeepAlive: 60];        [self setCleanSession: YES];                mosq = mosquitto_new(cstrClientId, cleanSession, self);        mosquitto_connect_callback_set(mosq, on_connect);        mosquitto_disconnect_callback_set(mosq, on_disconnect);        mosquitto_publish_callback_set(mosq, on_publish);        mosquitto_message_callback_set(mosq, on_message);        mosquitto_subscribe_callback_set(mosq, on_subscribe);        mosquitto_unsubscribe_callback_set(mosq, on_unsubscribe);        timer = nil;    }    return self;}- (void) connect{    const char *cstrHost = [host cStringUsingEncoding:NSASCIIStringEncoding];    const char *cstrUsername = NULL, *cstrPassword = NULL;        if (username)        cstrUsername = [username cStringUsingEncoding:NSUTF8StringEncoding];        if (password)        cstrPassword = [password cStringUsingEncoding:NSUTF8StringEncoding];        // FIXME: check for errors    mosquitto_username_pw_set(mosq, cstrUsername, cstrPassword);        int ret = mosquitto_connect(mosq, cstrHost, port, keepAlive);        NSLog(@"mqtt-ret-code = %d",ret);    if (ret == 0)    {        NSLog(@"//串連成功   設定ud");    }    else    {                NSLog(@"//串連失敗");    }        // Setup timer to handle network events    // FIXME: better way to do this - hook into iOS Run Loop select() ?
    // or run in seperate thread?    timer = [NSTimer scheduledTimerWithTimeInterval:0.01 // 10ms                                             target:self                                           selector:@selector(loop:)                                           userInfo:nil                                            repeats:YES];}- (void) connectToHost: (NSString*)aHost{    [self setHost:aHost];    [self connect];}- (void) reconnect{    mosquitto_reconnect(mosq);} - (void) disconnect{    mosquitto_disconnect(mosq);}- (void) loop: (NSTimer *)timer{    mosquitto_loop(mosq, 1, 1);}// FIXME: add QoS parameter?
- (void)publishString: (NSString *)payload toTopic:(NSString *)topic retain:(BOOL)retain{    const char* cstrTopic = [topic cStringUsingEncoding:NSUTF8StringEncoding];    const uint8_t* cstrPayload = (const uint8_t*)[payload cStringUsingEncoding:NSUTF8StringEncoding];    mosquitto_publish(mosq, NULL, cstrTopic, [payload length], cstrPayload, 0, retain);}- (void)subscribe: (NSString *)topic{    [self subscribe:topic withQos:0];}- (void)subscribe: (NSString *)topic withQos:(NSUInteger)qos{    const char* cstrTopic = [topic cStringUsingEncoding:NSUTF8StringEncoding];    mosquitto_subscribe(mosq, NULL, cstrTopic, qos);}- (void)unsubscribe: (NSString *)topic{    const char* cstrTopic = [topic cStringUsingEncoding:NSUTF8StringEncoding];    mosquitto_unsubscribe(mosq, NULL, cstrTopic);}- (void) setMessageRetry: (NSUInteger)seconds{    mosquitto_message_retry_set(mosq, (unsigned int)seconds);}- (void) dealloc{    if (mosq)    {        mosquitto_destroy(mosq);        mosq = NULL;    }        if (timer) {        [timer invalidate];        timer = nil;    }        [super dealloc];}// FIXME: how and when to call mosquitto_lib_cleanup() ?@end

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Mqtt協議IOS移植完1