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add queue to mqtt module

This commit is contained in:
funshine 2015-03-30 00:24:09 +08:00
parent 3dd1ac3739
commit 09750b5653
10 changed files with 458 additions and 253 deletions
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4
app/cjson/strbuf.c
View File

@ -46,7 +46,7 @@ int strbuf_init(strbuf_t *s, int len)
s->reallocs = 0; s->reallocs = 0;
s->debug = 0; s->debug = 0;
s->buf = c_malloc(size); s->buf = (char *)c_malloc(size);
if (!s->buf){ if (!s->buf){
NODE_ERR("not enough memory\n"); NODE_ERR("not enough memory\n");
return -1; return -1;
@ -60,7 +60,7 @@ strbuf_t *strbuf_new(int len)
{ {
strbuf_t *s; strbuf_t *s;
s = c_malloc(sizeof(strbuf_t)); s = (strbuf_t *)c_malloc(sizeof(strbuf_t));
if (!s){ if (!s){
NODE_ERR("not enough memory\n"); NODE_ERR("not enough memory\n");
return NULL; return NULL;

2
app/include/user_version.h
View File

@ -7,6 +7,6 @@
#define NODE_VERSION_INTERNAL 0U #define NODE_VERSION_INTERNAL 0U
#define NODE_VERSION "NodeMCU 0.9.5" #define NODE_VERSION "NodeMCU 0.9.5"
#define BUILD_DATE "build 20150318" #define BUILD_DATE "build 20150330"
#endif /* __USER_VERSION_H__ */ #endif /* __USER_VERSION_H__ */

6
app/libc/c_stdio.h
View File

@ -47,9 +47,9 @@ extern int c_stderr;
#define SEEK_END 2 /* set file offset to EOF plus offset */ #define SEEK_END 2 /* set file offset to EOF plus offset */
#endif #endif
#define c_malloc os_malloc // #define c_malloc os_malloc
#define c_zalloc os_zalloc // #define c_zalloc os_zalloc
#define c_free os_free // #define c_free os_free
extern void output_redirect(const char *str); extern void output_redirect(const char *str);
#define c_puts output_redirect #define c_puts output_redirect

12
app/libc/c_stdlib.h
View File

@ -29,9 +29,9 @@
#define os_realloc(p, s) mem_realloc((p), (s)) #define os_realloc(p, s) mem_realloc((p), (s))
#endif #endif
// #define c_free os_free #define c_free os_free
// #define c_malloc os_malloc #define c_malloc os_malloc
// #define c_zalloc os_zalloc #define c_zalloc os_zalloc
#define c_realloc os_realloc #define c_realloc os_realloc
#define c_abs abs #define c_abs abs
@ -47,9 +47,9 @@
// c_getenv() get env "LUA_INIT" string for lua initialization. // c_getenv() get env "LUA_INIT" string for lua initialization.
const char *c_getenv(const char *__string); const char *c_getenv(const char *__string);
void *c_malloc(size_t __size); // void *c_malloc(size_t __size);
void *c_zalloc(size_t __size); // void *c_zalloc(size_t __size);
void c_free(void *); // void c_free(void *);
// int c_rand(void); // int c_rand(void);
// void c_srand(unsigned int __seed); // void c_srand(unsigned int __seed);

571
app/modules/mqtt.c
View File

@ -15,6 +15,7 @@
#include "espconn.h" #include "espconn.h"
#include "mqtt_msg.h" #include "mqtt_msg.h"
#include "msg_queue.h"
static lua_State *gL = NULL; static lua_State *gL = NULL;
@ -27,7 +28,7 @@ static lua_State *gL = NULL;
typedef enum { typedef enum {
MQTT_INIT, MQTT_INIT,
MQTT_CONNECT_SEND, MQTT_CONNECT_SENT,
MQTT_CONNECT_SENDING, MQTT_CONNECT_SENDING,
MQTT_DATA MQTT_DATA
} tConnState; } tConnState;
@ -55,10 +56,7 @@ typedef struct mqtt_state_t
uint16_t message_length_read; uint16_t message_length_read;
mqtt_message_t* outbound_message; mqtt_message_t* outbound_message;
mqtt_connection_t mqtt_connection; mqtt_connection_t mqtt_connection;
msg_queue_t* pending_msg_q;
uint16_t pending_msg_id;
int pending_msg_type;
int pending_publish_qos;
} mqtt_state_t; } mqtt_state_t;
typedef struct lmqtt_userdata typedef struct lmqtt_userdata
@ -75,7 +73,7 @@ typedef struct lmqtt_userdata
uint32_t keep_alive_tick; uint32_t keep_alive_tick;
uint32_t send_timeout; uint32_t send_timeout;
uint8_t secure; uint8_t secure;
uint8_t connected; bool connected; // indicate socket connected, not mqtt prot connected.
ETSTimer mqttTimer; ETSTimer mqttTimer;
tConnState connState; tConnState connState;
}lmqtt_userdata; }lmqtt_userdata;
@ -89,29 +87,37 @@ static void mqtt_socket_disconnected(void *arg) // tcp only
lmqtt_userdata *mud = (lmqtt_userdata *)pesp_conn->reverse; lmqtt_userdata *mud = (lmqtt_userdata *)pesp_conn->reverse;
if(mud == NULL) if(mud == NULL)
return; return;
if(mud->cb_disconnect_ref != LUA_NOREF && mud->self_ref != LUA_NOREF)
{
lua_rawgeti(gL, LUA_REGISTRYINDEX, mud->cb_disconnect_ref);
lua_rawgeti(gL, LUA_REGISTRYINDEX, mud->self_ref); // pass the userdata(client) to callback func in lua
lua_call(gL, 1, 0);
}
mud->connected = 0;
os_timer_disarm(&mud->mqttTimer);
if(pesp_conn->proto.tcp) if(mud->connected){
c_free(pesp_conn->proto.tcp); mud->connected = false;
pesp_conn->proto.tcp = NULL; if(mud->pesp_conn && mud->pesp_conn->proto.tcp)
c_free(mud->pesp_conn->proto.tcp);
mud->pesp_conn->proto.tcp = NULL;
if(mud->pesp_conn) if(mud->pesp_conn)
c_free(mud->pesp_conn); c_free(mud->pesp_conn);
mud->pesp_conn = NULL; // espconn is already disconnected mud->pesp_conn = NULL; // espconn is already disconnected
lua_gc(gL, LUA_GCSTOP, 0); lua_gc(gL, LUA_GCSTOP, 0);
if(mud->self_ref != LUA_NOREF){ if(mud->self_ref != LUA_NOREF){ // TODO: should we unref the client and delete it?
luaL_unref(gL, LUA_REGISTRYINDEX, mud->self_ref); luaL_unref(gL, LUA_REGISTRYINDEX, mud->self_ref);
mud->self_ref = LUA_NOREF; // unref this, and the mqtt.socket userdata will delete it self mud->self_ref = LUA_NOREF; // unref this, and the mqtt.socket userdata will delete it self
} }
lua_gc(gL, LUA_GCRESTART, 0); lua_gc(gL, LUA_GCRESTART, 0);
} }
mud->connected = false;
os_timer_disarm(&mud->mqttTimer);
if(mud->cb_disconnect_ref != LUA_NOREF)
{
lua_rawgeti(gL, LUA_REGISTRYINDEX, mud->cb_disconnect_ref);
if( mud->self_ref != LUA_NOREF)
lua_rawgeti(gL, LUA_REGISTRYINDEX, mud->self_ref); // pass the userdata(client) to callback func in lua
else
lua_pushnil(gL);
lua_call(gL, 1, 0);
}
}
static void mqtt_socket_reconnected(void *arg, sint8_t err) static void mqtt_socket_reconnected(void *arg, sint8_t err)
{ {
NODE_DBG("mqtt_socket_reconnected is called.\n"); NODE_DBG("mqtt_socket_reconnected is called.\n");
@ -135,10 +141,7 @@ static void deliver_publish(lmqtt_userdata * mud, uint8_t* message, int length)
return; return;
lua_rawgeti(gL, LUA_REGISTRYINDEX, mud->cb_message_ref); lua_rawgeti(gL, LUA_REGISTRYINDEX, mud->cb_message_ref);
lua_rawgeti(gL, LUA_REGISTRYINDEX, mud->self_ref); // pass the userdata to callback func in lua lua_rawgeti(gL, LUA_REGISTRYINDEX, mud->self_ref); // pass the userdata to callback func in lua
// expose_array(gL, pdata, len);
// *(pdata+len) = 0;
// NODE_DBG(pdata);
// NODE_DBG("\n");
lua_pushlstring(gL, event_data.topic, event_data.topic_length); lua_pushlstring(gL, event_data.topic, event_data.topic_length);
if(event_data.data_length > 0){ if(event_data.data_length > 0){
lua_pushlstring(gL, event_data.data, event_data.data_length); lua_pushlstring(gL, event_data.data, event_data.data_length);
@ -155,6 +158,7 @@ static void mqtt_socket_received(void *arg, char *pdata, unsigned short len)
uint8_t msg_type; uint8_t msg_type;
uint8_t msg_qos; uint8_t msg_qos;
uint16_t msg_id; uint16_t msg_id;
msg_queue_t *node = NULL;
struct espconn *pesp_conn = arg; struct espconn *pesp_conn = arg;
if(pesp_conn == NULL) if(pesp_conn == NULL)
@ -171,6 +175,7 @@ READPACKET:
mud->mqtt_state.outbound_message = NULL; mud->mqtt_state.outbound_message = NULL;
switch(mud->connState){ switch(mud->connState){
case MQTT_CONNECT_SENDING: case MQTT_CONNECT_SENDING:
case MQTT_CONNECT_SENT:
if(mqtt_get_type(mud->mqtt_state.in_buffer) != MQTT_MSG_TYPE_CONNACK){ if(mqtt_get_type(mud->mqtt_state.in_buffer) != MQTT_MSG_TYPE_CONNACK){
NODE_DBG("MQTT: Invalid packet\r\n"); NODE_DBG("MQTT: Invalid packet\r\n");
mud->connState = MQTT_INIT; mud->connState = MQTT_INIT;
@ -201,16 +206,19 @@ READPACKET:
msg_qos = mqtt_get_qos(mud->mqtt_state.in_buffer); msg_qos = mqtt_get_qos(mud->mqtt_state.in_buffer);
msg_id = mqtt_get_id(mud->mqtt_state.in_buffer, mud->mqtt_state.in_buffer_length); msg_id = mqtt_get_id(mud->mqtt_state.in_buffer, mud->mqtt_state.in_buffer_length);
msg_queue_t *pending_msg = mud->mqtt_state.pending_msg_q;
NODE_DBG("MQTT_DATA: type: %d, qos: %d, msg_id: %d, pending_id: %d\r\n", NODE_DBG("MQTT_DATA: type: %d, qos: %d, msg_id: %d, pending_id: %d\r\n",
msg_type, msg_type,
msg_qos, msg_qos,
msg_id, msg_id,
mud->mqtt_state.pending_msg_id); (pending_msg)?pending_msg->msg_id:0);
switch(msg_type) switch(msg_type)
{ {
case MQTT_MSG_TYPE_SUBACK: case MQTT_MSG_TYPE_SUBACK:
if(mud->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_SUBSCRIBE && mud->mqtt_state.pending_msg_id == msg_id) if(pending_msg && pending_msg->msg_type == MQTT_MSG_TYPE_SUBSCRIBE && pending_msg->msg_id == msg_id){
NODE_DBG("MQTT: Subscribe successful\r\n"); NODE_DBG("MQTT: Subscribe successful\r\n");
msg_destroy(msg_dequeue(&(mud->mqtt_state.pending_msg_q)));
if (mud->cb_suback_ref == LUA_NOREF) if (mud->cb_suback_ref == LUA_NOREF)
break; break;
if (mud->self_ref == LUA_NOREF) if (mud->self_ref == LUA_NOREF)
@ -218,22 +226,34 @@ READPACKET:
lua_rawgeti(gL, LUA_REGISTRYINDEX, mud->cb_suback_ref); lua_rawgeti(gL, LUA_REGISTRYINDEX, mud->cb_suback_ref);
lua_rawgeti(gL, LUA_REGISTRYINDEX, mud->self_ref); lua_rawgeti(gL, LUA_REGISTRYINDEX, mud->self_ref);
lua_call(gL, 1, 0); lua_call(gL, 1, 0);
}
break; break;
case MQTT_MSG_TYPE_UNSUBACK: case MQTT_MSG_TYPE_UNSUBACK:
if(mud->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_UNSUBSCRIBE && mud->mqtt_state.pending_msg_id == msg_id) if(pending_msg && pending_msg->msg_type == MQTT_MSG_TYPE_UNSUBSCRIBE && pending_msg->msg_id == msg_id){
NODE_DBG("MQTT: UnSubscribe successful\r\n"); NODE_DBG("MQTT: UnSubscribe successful\r\n");
msg_destroy(msg_dequeue(&(mud->mqtt_state.pending_msg_q)));
}
break; break;
case MQTT_MSG_TYPE_PUBLISH: case MQTT_MSG_TYPE_PUBLISH:
if(msg_qos == 1) if(msg_qos == 1){
mud->mqtt_state.outbound_message = mqtt_msg_puback(&mud->mqtt_state.mqtt_connection, msg_id); mud->mqtt_state.outbound_message = mqtt_msg_puback(&mud->mqtt_state.mqtt_connection, msg_id);
else if(msg_qos == 2) node = msg_enqueue(&(mud->mqtt_state.pending_msg_q), mud->mqtt_state.outbound_message,
msg_id, MQTT_MSG_TYPE_PUBACK, (int)msg_qos );
}
else if(msg_qos == 2){
mud->mqtt_state.outbound_message = mqtt_msg_pubrec(&mud->mqtt_state.mqtt_connection, msg_id); mud->mqtt_state.outbound_message = mqtt_msg_pubrec(&mud->mqtt_state.mqtt_connection, msg_id);
node = msg_enqueue(&(mud->mqtt_state.pending_msg_q), mud->mqtt_state.outbound_message,
msg_id, MQTT_MSG_TYPE_PUBREC, (int)msg_qos );
}
if(msg_qos == 1 || msg_qos == 2){
NODE_DBG("MQTT: Queue response QoS: %d\r\n", msg_qos);
}
deliver_publish(mud, mud->mqtt_state.in_buffer, mud->mqtt_state.message_length_read); deliver_publish(mud, mud->mqtt_state.in_buffer, mud->mqtt_state.message_length_read);
break; break;
case MQTT_MSG_TYPE_PUBACK: case MQTT_MSG_TYPE_PUBACK:
if(mud->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_PUBLISH && mud->mqtt_state.pending_msg_id == msg_id){ if(pending_msg && pending_msg->msg_type == MQTT_MSG_TYPE_PUBLISH && pending_msg->msg_id == msg_id){
NODE_DBG("MQTT: Publish with QoS = 1 successful\r\n"); NODE_DBG("MQTT: Publish with QoS = 1 successful\r\n");
msg_destroy(msg_dequeue(&(mud->mqtt_state.pending_msg_q)));
if(mud->cb_puback_ref == LUA_NOREF) if(mud->cb_puback_ref == LUA_NOREF)
break; break;
if(mud->self_ref == LUA_NOREF) if(mud->self_ref == LUA_NOREF)
@ -246,15 +266,20 @@ READPACKET:
break; break;
case MQTT_MSG_TYPE_PUBREC: case MQTT_MSG_TYPE_PUBREC:
mud->mqtt_state.outbound_message = mqtt_msg_pubrel(&mud->mqtt_state.mqtt_connection, msg_id); mud->mqtt_state.outbound_message = mqtt_msg_pubrel(&mud->mqtt_state.mqtt_connection, msg_id);
node = msg_enqueue(&(mud->mqtt_state.pending_msg_q), mud->mqtt_state.outbound_message,
msg_id, MQTT_MSG_TYPE_PUBREL, (int)msg_qos );
NODE_DBG("MQTT: Response PUBREL\r\n"); NODE_DBG("MQTT: Response PUBREL\r\n");
break; break;
case MQTT_MSG_TYPE_PUBREL: case MQTT_MSG_TYPE_PUBREL:
mud->mqtt_state.outbound_message = mqtt_msg_pubcomp(&mud->mqtt_state.mqtt_connection, msg_id); mud->mqtt_state.outbound_message = mqtt_msg_pubcomp(&mud->mqtt_state.mqtt_connection, msg_id);
node = msg_enqueue(&(mud->mqtt_state.pending_msg_q), mud->mqtt_state.outbound_message,
msg_id, MQTT_MSG_TYPE_PUBCOMP, (int)msg_qos );
NODE_DBG("MQTT: Response PUBCOMP\r\n"); NODE_DBG("MQTT: Response PUBCOMP\r\n");
break; break;
case MQTT_MSG_TYPE_PUBCOMP: case MQTT_MSG_TYPE_PUBCOMP:
if(mud->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_PUBLISH && mud->mqtt_state.pending_msg_id == msg_id){ if(pending_msg && pending_msg->msg_type == MQTT_MSG_TYPE_PUBLISH && pending_msg->msg_id == msg_id){
NODE_DBG("MQTT: Publish with QoS = 2 successful\r\n"); NODE_DBG("MQTT: Publish with QoS = 2 successful\r\n");
msg_destroy(msg_dequeue(&(mud->mqtt_state.pending_msg_q)));
if(mud->cb_puback_ref == LUA_NOREF) if(mud->cb_puback_ref == LUA_NOREF)
break; break;
if(mud->self_ref == LUA_NOREF) if(mud->self_ref == LUA_NOREF)
@ -266,9 +291,13 @@ READPACKET:
break; break;
case MQTT_MSG_TYPE_PINGREQ: case MQTT_MSG_TYPE_PINGREQ:
mud->mqtt_state.outbound_message = mqtt_msg_pingresp(&mud->mqtt_state.mqtt_connection); mud->mqtt_state.outbound_message = mqtt_msg_pingresp(&mud->mqtt_state.mqtt_connection);
node = msg_enqueue(&(mud->mqtt_state.pending_msg_q), mud->mqtt_state.outbound_message,
msg_id, MQTT_MSG_TYPE_PINGRESP, (int)msg_qos );
NODE_DBG("MQTT: Response PINGRESP\r\n");
break; break;
case MQTT_MSG_TYPE_PINGRESP: case MQTT_MSG_TYPE_PINGRESP:
// Ignore // Ignore
NODE_DBG("MQTT: PINGRESP received\r\n");
break; break;
} }
// NOTE: this is done down here and not in the switch case above // NOTE: this is done down here and not in the switch case above
@ -291,13 +320,17 @@ READPACKET:
break; break;
} }
if(mud->mqtt_state.outbound_message != NULL){ if(node && (mud->mqtt_state.pending_msg_q->next == NULL) && mud->send_timeout == 0){
mud->send_timeout = MQTT_SEND_TIMEOUT;
NODE_DBG("Sent: %d\n", node->msg.length);
if( mud->secure ) if( mud->secure )
espconn_secure_sent(pesp_conn, mud->mqtt_state.outbound_message->data, mud->mqtt_state.outbound_message->length); espconn_secure_sent( pesp_conn, node->msg.data, node->msg.length );
else else
espconn_sent(pesp_conn, mud->mqtt_state.outbound_message->data, mud->mqtt_state.outbound_message->length); espconn_sent( pesp_conn, node->msg.data, node->msg.length );
mud->keep_alive_tick = 0;
mud->mqtt_state.outbound_message = NULL; mud->mqtt_state.outbound_message = NULL;
} }
return; return;
} }
@ -312,9 +345,17 @@ static void mqtt_socket_sent(void *arg)
return; return;
if(!mud->connected) if(!mud->connected)
return; return;
if(mud->connState == MQTT_CONNECT_SENDING){
mud->connState = MQTT_CONNECT_SENT;
}
// call mqtt_sent() // call mqtt_sent()
mud->send_timeout = 0; mud->send_timeout = 0;
if(mud->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_PUBLISH && mud->mqtt_state.pending_publish_qos == 0) {
// qos = 0, publish and forgot.
msg_queue_t *node = mud->mqtt_state.pending_msg_q;
if(node && node->msg_type == MQTT_MSG_TYPE_PUBLISH && node->publish_qos == 0) {
msg_destroy(msg_dequeue(&(mud->mqtt_state.pending_msg_q)));
if(mud->cb_puback_ref == LUA_NOREF) if(mud->cb_puback_ref == LUA_NOREF)
return; return;
if(mud->self_ref == LUA_NOREF) if(mud->self_ref == LUA_NOREF)
@ -360,14 +401,48 @@ void mqtt_socket_timer(void *arg)
{ {
lmqtt_userdata *mud = (lmqtt_userdata*) arg; lmqtt_userdata *mud = (lmqtt_userdata*) arg;
if(mud == NULL)
return;
if(mud->send_timeout > 0){
mud->send_timeout --;
}
if(mud->pesp_conn == NULL){
NODE_DBG("mud->pesp_conn is NULL.\n");
return;
}
if(mud->send_timeout == 0){ // switch to next queued event.
if(mud->connState == MQTT_CONNECT_SENDING){ // MQTT_CONNECT time out.
mud->connState = MQTT_INIT;
if(mud->secure){
espconn_secure_disconnect(mud->pesp_conn);
}
else {
espconn_disconnect(mud->pesp_conn);
}
mud->keep_alive_tick = 0; // not need count anymore
} else if(mud->connState == MQTT_DATA){
msg_queue_t *pending_msg = mud->mqtt_state.pending_msg_q;
if(pending_msg){
mud->send_timeout = MQTT_SEND_TIMEOUT;
if(mud->secure)
espconn_secure_sent(mud->pesp_conn, pending_msg->msg.data, pending_msg->msg.length);
else
espconn_sent(mud->pesp_conn, pending_msg->msg.data, pending_msg->msg.length);
mud->keep_alive_tick = 0;
NODE_DBG("id: %d - qos: %d, length: %d\n", pending_msg->msg_id, pending_msg->publish_qos, pending_msg->msg.length);
}
// no queued event.
}
}
if(mud->connState == MQTT_DATA){ if(mud->connState == MQTT_DATA){
mud->keep_alive_tick ++; mud->keep_alive_tick ++;
if(mud->keep_alive_tick > mud->mqtt_state.connect_info->keepalive){ if(mud->keep_alive_tick > mud->mqtt_state.connect_info->keepalive){
mud->mqtt_state.pending_msg_type = MQTT_MSG_TYPE_PINGREQ;
mud->send_timeout = MQTT_SEND_TIMEOUT; mud->send_timeout = MQTT_SEND_TIMEOUT;
NODE_DBG("\r\nMQTT: Send keepalive packet\r\n"); NODE_DBG("\r\nMQTT: Send keepalive packet\r\n");
mud->mqtt_state.outbound_message = mqtt_msg_pingreq(&mud->mqtt_state.mqtt_connection); mud->mqtt_state.outbound_message = mqtt_msg_pingreq(&mud->mqtt_state.mqtt_connection);
if(mud->secure) if(mud->secure)
espconn_secure_sent(mud->pesp_conn, mud->mqtt_state.outbound_message->data, mud->mqtt_state.outbound_message->length); espconn_secure_sent(mud->pesp_conn, mud->mqtt_state.outbound_message->data, mud->mqtt_state.outbound_message->length);
else else
@ -375,8 +450,6 @@ void mqtt_socket_timer(void *arg)
mud->keep_alive_tick = 0; mud->keep_alive_tick = 0;
} }
} }
if(mud->send_timeout > 0)
mud->send_timeout --;
} }
// Lua: mqtt.Client(clientid, keepalive, user, pass) // Lua: mqtt.Client(clientid, keepalive, user, pass)
@ -389,8 +462,11 @@ static int mqtt_socket_client( lua_State* L )
c_sprintf(tempid, "%s%x", "NodeMCU_", system_get_chip_id() ); c_sprintf(tempid, "%s%x", "NodeMCU_", system_get_chip_id() );
NODE_DBG(tempid); NODE_DBG(tempid);
NODE_DBG("\n"); NODE_DBG("\n");
size_t il = c_strlen(tempid);
const char *clientId = tempid, *username = NULL, *password = NULL; const char *clientId = tempid, *username = NULL, *password = NULL;
size_t idl = c_strlen(tempid);
size_t unl = 0, pwl = 0;
int keepalive = 0;
int stack = 1; int stack = 1;
unsigned secure = 0; unsigned secure = 0;
int top = lua_gettop(L); int top = lua_gettop(L);
@ -419,125 +495,47 @@ static int mqtt_socket_client( lua_State* L )
luaL_getmetatable(L, "mqtt.socket"); luaL_getmetatable(L, "mqtt.socket");
lua_setmetatable(L, -2); lua_setmetatable(L, -2);
gL = L; // global L for mqtt module.
if( lua_isstring(L,stack) ) // deal with the clientid string if( lua_isstring(L,stack) ) // deal with the clientid string
{ {
clientId = luaL_checklstring( L, stack, &il ); clientId = luaL_checklstring( L, stack, &idl );
stack++; stack++;
} }
// TODO: check the zalloc result.
mud->connect_info.client_id = (uint8_t *)c_zalloc(il+1);
if(!mud->connect_info.client_id){
return luaL_error(L, "not enough memory");
}
c_memcpy(mud->connect_info.client_id, clientId, il);
mud->connect_info.client_id[il] = 0;
mud->mqtt_state.in_buffer = (uint8_t *)c_zalloc(MQTT_BUF_SIZE);
if(!mud->mqtt_state.in_buffer){
return luaL_error(L, "not enough memory");
}
mud->mqtt_state.out_buffer = (uint8_t *)c_zalloc(MQTT_BUF_SIZE);
if(!mud->mqtt_state.out_buffer){
return luaL_error(L, "not enough memory");
}
mud->mqtt_state.in_buffer_length = MQTT_BUF_SIZE;
mud->mqtt_state.out_buffer_length = MQTT_BUF_SIZE;
mud->connState = MQTT_INIT;
mud->connect_info.clean_session = 1;
mud->connect_info.will_qos = 0;
mud->connect_info.will_retain = 0;
mud->keep_alive_tick = 0;
mud->connect_info.keepalive = 0;
mud->mqtt_state.connect_info = &mud->connect_info;
gL = L; // global L for mqtt module.
if(lua_isnumber( L, stack )) if(lua_isnumber( L, stack ))
{ {
mud->connect_info.keepalive = luaL_checkinteger( L, stack); keepalive = luaL_checkinteger( L, stack);
stack++; stack++;
} }
if(mud->connect_info.keepalive == 0){ if(keepalive == 0){
mud->connect_info.keepalive = MQTT_DEFAULT_KEEPALIVE; keepalive = MQTT_DEFAULT_KEEPALIVE;
return 1;
} }
if(lua_isstring( L, stack )){ if(lua_isstring( L, stack )){
username = luaL_checklstring( L, stack, &il ); username = luaL_checklstring( L, stack, &unl );
stack++; stack++;
} }
if(username == NULL) if(username == NULL)
il = 0; unl = 0;
NODE_DBG("lengh username: %d\r\n", il); NODE_DBG("lengh username: %d\r\n", unl);
mud->connect_info.username = (uint8_t *)c_zalloc(il + 1);
if(!mud->connect_info.username){
return luaL_error(L, "not enough memory");
}
c_memcpy(mud->connect_info.username, username, il);
mud->connect_info.username[il] = 0;
if(lua_isstring( L, stack )){ if(lua_isstring( L, stack )){
password = luaL_checklstring( L, stack, &il ); password = luaL_checklstring( L, stack, &pwl );
stack++; stack++;
} }
if(password == NULL) if(password == NULL)
il = 0; pwl = 0;
NODE_DBG("lengh password: %d\r\n", il); NODE_DBG("lengh password: %d\r\n", pwl);
mud->connect_info.password = (uint8_t *)c_zalloc(il + 1);
if(!mud->connect_info.password){
return luaL_error(L, "not enough memory");
}
c_memcpy(mud->connect_info.password, password, il);
mud->connect_info.password[il] = 0;
NODE_DBG("MQTT: Init info: %s, %s, %s\r\n", mud->connect_info.client_id, mud->connect_info.username, mud->connect_info.password);
return 1;
}
// Lua: mqtt.delete( socket )
// call close() first
// socket: unref everything
static int mqtt_delete( lua_State* L )
{
NODE_DBG("mqtt_delete is called.\n");
lmqtt_userdata *mud = (lmqtt_userdata *)luaL_checkudata(L, 1, "mqtt.socket");
luaL_argcheck(L, mud, 1, "mqtt.socket expected");
if(mud==NULL){
NODE_DBG("userdata is nil.\n");
return 0;
}
os_timer_disarm(&mud->mqttTimer);
mud->connected = 0;
if(mud->pesp_conn){ // for client connected to tcp server, this should set NULL in disconnect cb
mud->pesp_conn->reverse = NULL;
if(mud->pesp_conn->proto.tcp)
c_free(mud->pesp_conn->proto.tcp);
mud->pesp_conn->proto.tcp = NULL;
c_free(mud->pesp_conn);
mud->pesp_conn = NULL; // for socket, it will free this when disconnected
}
if(mud->connect_info.will_topic){
c_free(mud->connect_info.will_topic);
mud->connect_info.will_topic = NULL;
}
if(mud->connect_info.will_message){
c_free(mud->connect_info.will_message);
mud->connect_info.will_message = NULL;
}
// TODO: check the zalloc result.
mud->connect_info.client_id = (uint8_t *)c_zalloc(idl+1);
mud->connect_info.username = (uint8_t *)c_zalloc(unl + 1);
mud->connect_info.password = (uint8_t *)c_zalloc(pwl + 1);
mud->mqtt_state.in_buffer = (uint8_t *)c_zalloc(MQTT_BUF_SIZE);
mud->mqtt_state.out_buffer = (uint8_t *)c_zalloc(MQTT_BUF_SIZE);
if(!mud->connect_info.client_id || !mud->connect_info.username || !mud->connect_info.password || !mud->mqtt_state.in_buffer || !mud->mqtt_state.out_buffer){
if(mud->connect_info.client_id) { if(mud->connect_info.client_id) {
c_free(mud->connect_info.client_id); c_free(mud->connect_info.client_id);
mud->connect_info.client_id = NULL; mud->connect_info.client_id = NULL;
@ -558,6 +556,92 @@ static int mqtt_delete( lua_State* L )
c_free(mud->mqtt_state.out_buffer); c_free(mud->mqtt_state.out_buffer);
mud->mqtt_state.out_buffer = NULL; mud->mqtt_state.out_buffer = NULL;
} }
return luaL_error(L, "not enough memory");
}
c_memcpy(mud->connect_info.client_id, clientId, idl);
mud->connect_info.client_id[idl] = 0;
c_memcpy(mud->connect_info.username, username, unl);
mud->connect_info.username[unl] = 0;
c_memcpy(mud->connect_info.password, password, pwl);
mud->connect_info.password[pwl] = 0;
NODE_DBG("MQTT: Init info: %s, %s, %s\r\n", mud->connect_info.client_id, mud->connect_info.username, mud->connect_info.password);
mud->connect_info.clean_session = 1;
mud->connect_info.will_qos = 0;
mud->connect_info.will_retain = 0;
mud->connect_info.keepalive = keepalive;
mud->mqtt_state.in_buffer_length = MQTT_BUF_SIZE;
mud->mqtt_state.out_buffer_length = MQTT_BUF_SIZE;
mud->mqtt_state.pending_msg_q = NULL;
mud->mqtt_state.connect_info = &mud->connect_info;
return 1;
}
// Lua: mqtt.delete( socket )
// call close() first
// socket: unref everything
static int mqtt_delete( lua_State* L )
{
NODE_DBG("mqtt_delete is called.\n");
lmqtt_userdata *mud = (lmqtt_userdata *)luaL_checkudata(L, 1, "mqtt.socket");
luaL_argcheck(L, mud, 1, "mqtt.socket expected");
if(mud==NULL){
NODE_DBG("userdata is nil.\n");
return 0;
}
os_timer_disarm(&mud->mqttTimer);
mud->connected = false;
// ---- alloc-ed in mqtt_socket_connect()
if(mud->pesp_conn){ // for client connected to tcp server, this should set NULL in disconnect cb
mud->pesp_conn->reverse = NULL;
if(mud->pesp_conn->proto.tcp)
c_free(mud->pesp_conn->proto.tcp);
mud->pesp_conn->proto.tcp = NULL;
c_free(mud->pesp_conn);
mud->pesp_conn = NULL; // for socket, it will free this when disconnected
}
// ---- alloc-ed in mqtt_socket_lwt()
if(mud->connect_info.will_topic){
c_free(mud->connect_info.will_topic);
mud->connect_info.will_topic = NULL;
}
if(mud->connect_info.will_message){
c_free(mud->connect_info.will_message);
mud->connect_info.will_message = NULL;
}
// ----
//--------- alloc-ed in mqtt_socket_client()
if(mud->connect_info.client_id){
c_free(mud->connect_info.client_id);
mud->connect_info.client_id = NULL;
}
if(mud->connect_info.username){
c_free(mud->connect_info.username);
mud->connect_info.username = NULL;
}
if(mud->connect_info.password){
c_free(mud->connect_info.password);
mud->connect_info.password = NULL;
}
if(mud->mqtt_state.in_buffer){
c_free(mud->mqtt_state.in_buffer);
mud->mqtt_state.in_buffer = NULL;
}
if(mud->mqtt_state.out_buffer){
c_free(mud->mqtt_state.out_buffer);
mud->mqtt_state.out_buffer = NULL;
}
// -------
// free (unref) callback ref // free (unref) callback ref
if(LUA_NOREF!=mud->cb_connect_ref){ if(LUA_NOREF!=mud->cb_connect_ref){
@ -647,11 +731,11 @@ static void socket_dns_found(const char *name, ip_addr_t *ipaddr, void *arg)
} }
} }
// Lua: mqtt:connect( host, port, secure, function(client) ) // Lua: mqtt:lwt( topic, message, qos, retain, function(client) )
static int mqtt_socket_lwt( lua_State* L ) static int mqtt_socket_lwt( lua_State* L )
{ {
uint8_t stack = 1; uint8_t stack = 1;
size_t topicSize, il; size_t topicSize, msgSize;
NODE_DBG("mqtt_socket_lwt.\n"); NODE_DBG("mqtt_socket_lwt.\n");
lmqtt_userdata *mud = NULL; lmqtt_userdata *mud = NULL;
const char *lwtTopic, *lwtMsg; const char *lwtTopic, *lwtMsg;
@ -671,32 +755,40 @@ static int mqtt_socket_lwt( lua_State* L )
} }
stack++; stack++;
lwtMsg = luaL_checklstring( L, stack, &il ); lwtMsg = luaL_checklstring( L, stack, &msgSize );
if (lwtMsg == NULL) if (lwtMsg == NULL)
{ {
return luaL_error( L, "need lwt message"); return luaL_error( L, "need lwt message");
} }
mud->connect_info.will_topic = (uint8_t*) c_zalloc( topicSize + 1 ); mud->connect_info.will_topic = (uint8_t*) c_zalloc( topicSize + 1 );
if(!mud->connect_info.will_topic){ mud->connect_info.will_message = (uint8_t*) c_zalloc( msgSize + 1 );
if(!mud->connect_info.will_topic || !mud->connect_info.will_message){
if(mud->connect_info.will_topic){
c_free(mud->connect_info.will_topic);
mud->connect_info.will_topic = NULL;
}
if(mud->connect_info.will_message){
c_free(mud->connect_info.will_message);
mud->connect_info.will_message = NULL;
}
return luaL_error( L, "not enough memory"); return luaL_error( L, "not enough memory");
} }
c_memcpy(mud->connect_info.will_topic, lwtTopic, topicSize); c_memcpy(mud->connect_info.will_topic, lwtTopic, topicSize);
mud->connect_info.will_topic[topicSize] = 0; mud->connect_info.will_topic[topicSize] = 0;
c_memcpy(mud->connect_info.will_message, lwtMsg, msgSize);
mud->connect_info.will_message[msgSize] = 0;
mud->connect_info.will_message = (uint8_t*) c_zalloc( il + 1 ); if ( lua_isnumber(L, stack) )
if(!mud->connect_info.will_message){ {
return luaL_error( L, "not enough memory"); mud->connect_info.will_qos = lua_tointeger(L, stack);
stack++;
} }
c_memcpy(mud->connect_info.will_message, lwtMsg, il); if ( lua_isnumber(L, stack) )
mud->connect_info.will_message[il] = 0; {
mud->connect_info.will_retain = lua_tointeger(L, stack);
stack++; stack++;
mud->connect_info.will_qos = luaL_checkinteger( L, stack ); }
stack++;
mud->connect_info.will_retain = luaL_checkinteger( L, stack );
NODE_DBG("mqtt_socket_lwt: topic: %s, message: %s, qos: %d, retain: %d\n", NODE_DBG("mqtt_socket_lwt: topic: %s, message: %s, qos: %d, retain: %d\n",
mud->connect_info.will_topic, mud->connect_info.will_topic,
@ -750,7 +842,7 @@ static int mqtt_socket_connect( lua_State* L )
pesp_conn->reverse = mud; pesp_conn->reverse = mud;
pesp_conn->type = ESPCONN_TCP; pesp_conn->type = ESPCONN_TCP;
pesp_conn->state = ESPCONN_NONE; pesp_conn->state = ESPCONN_NONE;
mud->connected = 0; mud->connected = false;
if( (stack<=top) && lua_isstring(L,stack) ) // deal with the domain string if( (stack<=top) && lua_isstring(L,stack) ) // deal with the domain string
{ {
@ -822,7 +914,6 @@ static int mqtt_socket_connect( lua_State* L )
os_timer_disarm(&mud->mqttTimer); os_timer_disarm(&mud->mqttTimer);
os_timer_setfn(&mud->mqttTimer, (os_timer_func_t *)mqtt_socket_timer, mud); os_timer_setfn(&mud->mqttTimer, (os_timer_func_t *)mqtt_socket_timer, mud);
os_timer_arm(&mud->mqttTimer, 1000, 1); os_timer_arm(&mud->mqttTimer, 1000, 1);
return 0; return 0;
} }
@ -897,16 +988,12 @@ static int mqtt_socket_on( lua_State* L )
return 0; return 0;
} }
// Lua: mqtt:subscribe(topic, qos, function()) // Lua: bool = mqtt:subscribe(topic, qos, function())
static int mqtt_socket_subscribe( lua_State* L ) { static int mqtt_socket_subscribe( lua_State* L ) {
NODE_DBG("mqtt_socket_subscribe is called.\n"); NODE_DBG("mqtt_socket_subscribe is called.\n");
typedef struct SUB_STORAGE {
uint32_t length;
uint8_t *data;
struct SUB_STORAGE *next;
} SUB_STORAGE;
uint8_t stack = 1, qos = 0; uint8_t stack = 1, qos = 0;
uint16_t msg_id = 0;
const char *topic; const char *topic;
size_t il; size_t il;
lmqtt_userdata *mud; lmqtt_userdata *mud;
@ -915,97 +1002,92 @@ static int mqtt_socket_subscribe( lua_State* L ) {
luaL_argcheck( L, mud, stack, "mqtt.socket expected" ); luaL_argcheck( L, mud, stack, "mqtt.socket expected" );
stack++; stack++;
if( mud->send_timeout != 0 ) if(!mud->connected){
return luaL_error( L, "sending in process" ); luaL_error( L, "not connected" );
lua_pushboolean(L, 0);
if( !mud->connected ) return 1;
return luaL_error( L, "not connected" ); }
if( lua_istable( L, stack ) ) { if( lua_istable( L, stack ) ) {
NODE_DBG("subscribe table\n"); NODE_DBG("subscribe table\n");
lua_pushnil( L ); /* first key */ lua_pushnil( L ); /* first key */
SUB_STORAGE *first, *last, *curr;
first = (SUB_STORAGE*) c_zalloc(sizeof(SUB_STORAGE));
if( first == NULL )
return luaL_error( L, "not enough memory" );
first->length = 0;
last = first;
first->next = NULL;
while( lua_next( L, stack ) != 0 ) {
curr = (SUB_STORAGE*) c_zalloc(sizeof(SUB_STORAGE));
if( curr == NULL ) uint8_t temp_buffer[MQTT_BUF_SIZE];
return luaL_error( L, "not enough memory" ); uint32_t temp_pos = 0;
while( lua_next( L, stack ) != 0 ) {
topic = luaL_checkstring( L, -2 ); topic = luaL_checkstring( L, -2 );
qos = luaL_checkinteger( L, -1 ); qos = luaL_checkinteger( L, -1 );
mud->mqtt_state.outbound_message = mqtt_msg_subscribe( &mud->mqtt_state.mqtt_connection, topic, qos, &mud->mqtt_state.pending_msg_id ); mud->mqtt_state.outbound_message = mqtt_msg_subscribe( &mud->mqtt_state.mqtt_connection, topic, qos, &msg_id );
NODE_DBG("topic: %s - qos: %d, length: %d\n", topic, qos, mud->mqtt_state.outbound_message->length); NODE_DBG("topic: %s - qos: %d, length: %d\n", topic, qos, mud->mqtt_state.outbound_message->length);
curr->data = (uint8_t*) c_zalloc(mud->mqtt_state.outbound_message->length);
if( curr->data == NULL )
return luaL_error( L, "not enough memory" );
c_memcpy( curr->data, mud->mqtt_state.outbound_message->data, mud->mqtt_state.outbound_message->length );
curr->length = mud->mqtt_state.outbound_message->length; if (temp_pos + mud->mqtt_state.outbound_message->length > MQTT_BUF_SIZE){
curr->next = NULL; lua_pop(L, 1);
last->next = curr; break; // too long message for the outbuffer.
last = curr; }
c_memcpy( temp_buffer + temp_pos, mud->mqtt_state.outbound_message->data, mud->mqtt_state.outbound_message->length );
temp_pos += mud->mqtt_state.outbound_message->length;
lua_pop( L, 1 ); lua_pop( L, 1 );
} }
curr = first; if (temp_pos == 0){
uint32_t ptr = 0; luaL_error( L, "invalid data" );
while( curr != NULL ) { lua_pushboolean(L, 0);
if( curr->length == 0 ) { return 1;
curr = curr->next;
continue;
}
if( ptr + curr->length < mud->mqtt_state.out_buffer_length ) {
c_memcpy( mud->mqtt_state.out_buffer + ptr, curr->data, curr->length );
ptr += curr->length;
}
c_free(curr->data);
c_free(curr);
curr = curr->next;
}
c_free(first);
if( ptr == 0 ) {
return luaL_error( L, "invalid data" );
} }
c_memcpy( mud->mqtt_state.out_buffer, temp_buffer, temp_pos );
mud->mqtt_state.outbound_message->data = mud->mqtt_state.out_buffer; mud->mqtt_state.outbound_message->data = mud->mqtt_state.out_buffer;
mud->mqtt_state.outbound_message->length = ptr; mud->mqtt_state.outbound_message->length = temp_pos;
stack++; stack++;
} else { } else {
NODE_DBG("subscribe string\n"); NODE_DBG("subscribe string\n");
topic = luaL_checklstring( L, stack, &il ); topic = luaL_checklstring( L, stack, &il );
stack++; stack++;
if( topic == NULL ) if( topic == NULL ){
return luaL_error( L, "need topic name" ); luaL_error( L, "need topic name" );
lua_pushboolean(L, 0);
return 1;
}
qos = luaL_checkinteger( L, stack ); qos = luaL_checkinteger( L, stack );
mud->mqtt_state.outbound_message = mqtt_msg_subscribe( &mud->mqtt_state.mqtt_connection, topic, qos, &mud->mqtt_state.pending_msg_id ); mud->mqtt_state.outbound_message = mqtt_msg_subscribe( &mud->mqtt_state.mqtt_connection, topic, qos, &msg_id );
stack++; stack++;
} }
mud->send_timeout = MQTT_SEND_TIMEOUT; if( lua_type( L, stack ) == LUA_TFUNCTION || lua_type( L, stack ) == LUA_TLIGHTFUNCTION ) { // TODO: this will overwrite the previous one.
mud->mqtt_state.pending_msg_type = MQTT_MSG_TYPE_SUBSCRIBE;
mud->mqtt_state.pending_publish_qos = mqtt_get_qos( mud->mqtt_state.outbound_message->data );
if( lua_type( L, stack ) == LUA_TFUNCTION || lua_type( L, stack ) == LUA_TLIGHTFUNCTION ) {
lua_pushvalue( L, stack ); // copy argument (func) to the top of stack lua_pushvalue( L, stack ); // copy argument (func) to the top of stack
if( mud->cb_suback_ref != LUA_NOREF ) if( mud->cb_suback_ref != LUA_NOREF )
luaL_unref( L, LUA_REGISTRYINDEX, mud->cb_suback_ref ); luaL_unref( L, LUA_REGISTRYINDEX, mud->cb_suback_ref );
mud->cb_suback_ref = luaL_ref( L, LUA_REGISTRYINDEX ); mud->cb_suback_ref = luaL_ref( L, LUA_REGISTRYINDEX );
} }
NODE_DBG("Sent: %d\n", mud->mqtt_state.outbound_message->length);
if( mud->secure )
espconn_secure_sent( mud->pesp_conn, mud->mqtt_state.outbound_message->data, mud->mqtt_state.outbound_message->length );
else
espconn_sent( mud->pesp_conn, mud->mqtt_state.outbound_message->data, mud->mqtt_state.outbound_message->length );
return 0; msg_queue_t *node = msg_enqueue( &(mud->mqtt_state.pending_msg_q), mud->mqtt_state.outbound_message,
msg_id, MQTT_MSG_TYPE_SUBSCRIBE, (int)mqtt_get_qos(mud->mqtt_state.outbound_message->data) );
NODE_DBG("topic: %s - id: %d - qos: %d, length: %d\n", topic, node->msg_id, node->publish_qos, node->msg.length);
if(node && (mud->mqtt_state.pending_msg_q->next == NULL) && mud->send_timeout == 0){
mud->send_timeout = MQTT_SEND_TIMEOUT;
NODE_DBG("Sent: %d\n", node->msg.length);
if( mud->secure )
espconn_secure_sent( mud->pesp_conn, node->msg.data, node->msg.length );
else
espconn_sent( mud->pesp_conn, node->msg.data, node->msg.length );
mud->keep_alive_tick = 0;
} }
// Lua: mqtt:publish( topic, payload, qos, retain, function() ) if(!node){
lua_pushboolean(L, 0);
} else {
lua_pushboolean(L, 1); // enqueued succeed.
}
mud->mqtt_state.outbound_message = NULL;
return 1;
}
// Lua: bool = mqtt:publish( topic, payload, qos, retain, function() )
static int mqtt_socket_publish( lua_State* L ) static int mqtt_socket_publish( lua_State* L )
{ {
// NODE_DBG("mqtt_publish is called.\n"); // NODE_DBG("mqtt_publish is called.\n");
@ -1013,35 +1095,31 @@ static int mqtt_socket_publish( lua_State* L )
lmqtt_userdata *mud; lmqtt_userdata *mud;
size_t l; size_t l;
uint8_t stack = 1; uint8_t stack = 1;
uint16_t msg_id = 0;
mud = (lmqtt_userdata *)luaL_checkudata(L, stack, "mqtt.socket"); mud = (lmqtt_userdata *)luaL_checkudata(L, stack, "mqtt.socket");
luaL_argcheck(L, mud, stack, "mqtt.socket expected"); luaL_argcheck(L, mud, stack, "mqtt.socket expected");
stack++; stack++;
if(mud==NULL){ if(mud==NULL){
NODE_DBG("userdata is nil.\n"); NODE_DBG("userdata is nil.\n");
return 0; lua_pushboolean(L, 0);
return 1;
} }
if(mud->pesp_conn == NULL){ if(mud->pesp_conn == NULL){
NODE_DBG("mud->pesp_conn is NULL.\n"); NODE_DBG("mud->pesp_conn is NULL.\n");
return 0; lua_pushboolean(L, 0);
return 1;
} }
if(mud->send_timeout != 0)
return luaL_error( L, "sending in process" );
pesp_conn = mud->pesp_conn; pesp_conn = mud->pesp_conn;
#if 0
char temp[20] = {0};
c_sprintf(temp, IPSTR, IP2STR( &(pesp_conn->proto.tcp->remote_ip) ) );
NODE_DBG("remote ");
NODE_DBG(temp);
NODE_DBG(":");
NODE_DBG("%d",pesp_conn->proto.tcp->remote_port);
NODE_DBG(" sending data.\n");
#endif
const char *topic = luaL_checklstring( L, stack, &l ); const char *topic = luaL_checklstring( L, stack, &l );
stack ++; stack ++;
if (topic == NULL) if (topic == NULL){
return luaL_error( L, "need topic" ); luaL_error( L, "need topic" );
lua_pushboolean(L, 0);
return 1;
}
const char *payload = luaL_checklstring( L, stack, &l ); const char *payload = luaL_checklstring( L, stack, &l );
stack ++; stack ++;
@ -1050,14 +1128,11 @@ static int mqtt_socket_publish( lua_State* L )
uint8_t retain = luaL_checkinteger( L, stack); uint8_t retain = luaL_checkinteger( L, stack);
stack ++; stack ++;
mud->mqtt_state.outbound_message = mqtt_msg_publish(&mud->mqtt_state.mqtt_connection, mud->mqtt_state.outbound_message = mqtt_msg_publish(&mud->mqtt_state.mqtt_connection,
topic, payload, l, topic, payload, l,
qos, retain, qos, retain,
&mud->mqtt_state.pending_msg_id); &msg_id);
mud->mqtt_state.pending_msg_type = MQTT_MSG_TYPE_PUBLISH;
mud->mqtt_state.pending_publish_qos = qos;
mud->send_timeout = MQTT_SEND_TIMEOUT;
if (lua_type(L, stack) == LUA_TFUNCTION || lua_type(L, stack) == LUA_TLIGHTFUNCTION){ if (lua_type(L, stack) == LUA_TFUNCTION || lua_type(L, stack) == LUA_TLIGHTFUNCTION){
lua_pushvalue(L, stack); // copy argument (func) to the top of stack lua_pushvalue(L, stack); // copy argument (func) to the top of stack
if(mud->cb_puback_ref != LUA_NOREF) if(mud->cb_puback_ref != LUA_NOREF)
@ -1065,12 +1140,26 @@ static int mqtt_socket_publish( lua_State* L )
mud->cb_puback_ref = luaL_ref(L, LUA_REGISTRYINDEX); mud->cb_puback_ref = luaL_ref(L, LUA_REGISTRYINDEX);
} }
msg_queue_t *node = msg_enqueue(&(mud->mqtt_state.pending_msg_q), mud->mqtt_state.outbound_message,
msg_id, MQTT_MSG_TYPE_PUBLISH, (int)qos );
if(node && (mud->mqtt_state.pending_msg_q->next == NULL) && mud->send_timeout == 0){
mud->send_timeout = MQTT_SEND_TIMEOUT;
NODE_DBG("Sent: %d\n", node->msg.length);
if( mud->secure ) if( mud->secure )
espconn_secure_sent(pesp_conn, mud->mqtt_state.outbound_message->data, mud->mqtt_state.outbound_message->length); espconn_secure_sent( mud->pesp_conn, node->msg.data, node->msg.length );
else else
espconn_sent(pesp_conn, mud->mqtt_state.outbound_message->data, mud->mqtt_state.outbound_message->length); espconn_sent( mud->pesp_conn, node->msg.data, node->msg.length );
mud->keep_alive_tick = 0;
}
if(!node){
lua_pushboolean(L, 0);
} else {
lua_pushboolean(L, 1); // enqueued succeed.
}
mud->mqtt_state.outbound_message = NULL; mud->mqtt_state.outbound_message = NULL;
return 0; return 1;
} }
// Module function map // Module function map

26
app/mqtt/mqtt_msg.c
View File

@ -29,7 +29,7 @@
* *
*/ */
#include <string.h> #include "c_string.h"
#include "mqtt_msg.h" #include "mqtt_msg.h"
#define MQTT_MAX_FIXED_HEADER_SIZE 3 #define MQTT_MAX_FIXED_HEADER_SIZE 3
@ -61,7 +61,7 @@ static int append_string(mqtt_connection_t* connection, const char* string, int
connection->buffer[connection->message.length++] = len >> 8; connection->buffer[connection->message.length++] = len >> 8;
connection->buffer[connection->message.length++] = len & 0xff; connection->buffer[connection->message.length++] = len & 0xff;
memcpy(connection->buffer + connection->message.length, string, len); c_memcpy(connection->buffer + connection->message.length, string, len);
connection->message.length += len; connection->message.length += len;
return len + 2; return len + 2;
@ -121,7 +121,7 @@ static mqtt_message_t* fini_message(mqtt_connection_t* connection, int type, int
void mqtt_msg_init(mqtt_connection_t* connection, uint8_t* buffer, uint16_t buffer_length) void mqtt_msg_init(mqtt_connection_t* connection, uint8_t* buffer, uint16_t buffer_length)
{ {
memset(connection, 0, sizeof(connection)); c_memset(connection, 0, sizeof(connection));
connection->buffer = buffer; connection->buffer = buffer;
connection->buffer_length = buffer_length; connection->buffer_length = buffer_length;
} }
@ -294,7 +294,7 @@ mqtt_message_t* mqtt_msg_connect(mqtt_connection_t* connection, mqtt_connect_inf
variable_header->lengthMsb = 0; variable_header->lengthMsb = 0;
variable_header->lengthLsb = 4; variable_header->lengthLsb = 4;
memcpy(variable_header->magic, "MQTT", 4); c_memcpy(variable_header->magic, "MQTT", 4);
variable_header->version = 4; variable_header->version = 4;
variable_header->flags = 0; variable_header->flags = 0;
variable_header->keepaliveMsb = info->keepalive >> 8; variable_header->keepaliveMsb = info->keepalive >> 8;
@ -305,7 +305,7 @@ mqtt_message_t* mqtt_msg_connect(mqtt_connection_t* connection, mqtt_connect_inf
if(info->client_id != NULL && info->client_id[0] != '\0') if(info->client_id != NULL && info->client_id[0] != '\0')
{ {
if(append_string(connection, info->client_id, strlen(info->client_id)) < 0) if(append_string(connection, info->client_id, c_strlen(info->client_id)) < 0)
return fail_message(connection); return fail_message(connection);
} }
else else
@ -313,10 +313,10 @@ mqtt_message_t* mqtt_msg_connect(mqtt_connection_t* connection, mqtt_connect_inf
if(info->will_topic != NULL && info->will_topic[0] != '\0') if(info->will_topic != NULL && info->will_topic[0] != '\0')
{ {
if(append_string(connection, info->will_topic, strlen(info->will_topic)) < 0) if(append_string(connection, info->will_topic, c_strlen(info->will_topic)) < 0)
return fail_message(connection); return fail_message(connection);
if(append_string(connection, info->will_message, strlen(info->will_message)) < 0) if(append_string(connection, info->will_message, c_strlen(info->will_message)) < 0)
return fail_message(connection); return fail_message(connection);
variable_header->flags |= MQTT_CONNECT_FLAG_WILL; variable_header->flags |= MQTT_CONNECT_FLAG_WILL;
@ -327,7 +327,7 @@ mqtt_message_t* mqtt_msg_connect(mqtt_connection_t* connection, mqtt_connect_inf
if(info->username != NULL && info->username[0] != '\0') if(info->username != NULL && info->username[0] != '\0')
{ {
if(append_string(connection, info->username, strlen(info->username)) < 0) if(append_string(connection, info->username, c_strlen(info->username)) < 0)
return fail_message(connection); return fail_message(connection);
variable_header->flags |= MQTT_CONNECT_FLAG_USERNAME; variable_header->flags |= MQTT_CONNECT_FLAG_USERNAME;
@ -335,7 +335,7 @@ mqtt_message_t* mqtt_msg_connect(mqtt_connection_t* connection, mqtt_connect_inf
if(info->password != NULL && info->password[0] != '\0') if(info->password != NULL && info->password[0] != '\0')
{ {
if(append_string(connection, info->password, strlen(info->password)) < 0) if(append_string(connection, info->password, c_strlen(info->password)) < 0)
return fail_message(connection); return fail_message(connection);
variable_header->flags |= MQTT_CONNECT_FLAG_PASSWORD; variable_header->flags |= MQTT_CONNECT_FLAG_PASSWORD;
@ -351,7 +351,7 @@ mqtt_message_t* mqtt_msg_publish(mqtt_connection_t* connection, const char* topi
if(topic == NULL || topic[0] == '\0') if(topic == NULL || topic[0] == '\0')
return fail_message(connection); return fail_message(connection);
if(append_string(connection, topic, strlen(topic)) < 0) if(append_string(connection, topic, c_strlen(topic)) < 0)
return fail_message(connection); return fail_message(connection);
if(qos > 0) if(qos > 0)
@ -364,7 +364,7 @@ mqtt_message_t* mqtt_msg_publish(mqtt_connection_t* connection, const char* topi
if(connection->message.length + data_length > connection->buffer_length) if(connection->message.length + data_length > connection->buffer_length)
return fail_message(connection); return fail_message(connection);
memcpy(connection->buffer + connection->message.length, data, data_length); c_memcpy(connection->buffer + connection->message.length, data, data_length);
connection->message.length += data_length; connection->message.length += data_length;
return fini_message(connection, MQTT_MSG_TYPE_PUBLISH, 0, qos, retain); return fini_message(connection, MQTT_MSG_TYPE_PUBLISH, 0, qos, retain);
@ -412,7 +412,7 @@ mqtt_message_t* mqtt_msg_subscribe(mqtt_connection_t* connection, const char* to
if((*message_id = append_message_id(connection, 0)) == 0) if((*message_id = append_message_id(connection, 0)) == 0)
return fail_message(connection); return fail_message(connection);
if(append_string(connection, topic, strlen(topic)) < 0) if(append_string(connection, topic, c_strlen(topic)) < 0)
return fail_message(connection); return fail_message(connection);
if(connection->message.length + 1 > connection->buffer_length) if(connection->message.length + 1 > connection->buffer_length)
@ -432,7 +432,7 @@ mqtt_message_t* mqtt_msg_unsubscribe(mqtt_connection_t* connection, const char*
if((*message_id = append_message_id(connection, 0)) == 0) if((*message_id = append_message_id(connection, 0)) == 0)
return fail_message(connection); return fail_message(connection);
if(append_string(connection, topic, strlen(topic)) < 0) if(append_string(connection, topic, c_strlen(topic)) < 0)
return fail_message(connection); return fail_message(connection);
return fini_message(connection, MQTT_MSG_TYPE_SUBSCRIBE, 0, 1, 0); return fini_message(connection, MQTT_MSG_TYPE_SUBSCRIBE, 0, 1, 0);

60
app/mqtt/msg_queue.c Normal file
View File

@ -0,0 +1,60 @@
#include "c_string.h"
#include "c_stdlib.h"
#include "c_stdio.h"
#include "msg_queue.h"
msg_queue_t *msg_enqueue(msg_queue_t **head, mqtt_message_t *msg, uint16_t msg_id, int msg_type, int publish_qos){
if(!head){
return NULL;
}
if (!msg || !msg->data || msg->length == 0){
NODE_DBG("empty message\n");
return NULL;
}
msg_queue_t *node = (msg_queue_t *)c_zalloc(sizeof(msg_queue_t));
if(!node){
NODE_DBG("not enough memory\n");
return NULL;
}
node->msg.data = (uint8_t *)c_zalloc(msg->length);
if(!node->msg.data){
NODE_DBG("not enough memory\n");
c_free(node);
return NULL;
}
c_memcpy(node->msg.data, msg->data, msg->length);
node->msg.length = msg->length;
node->next = NULL;
node->msg_id = msg_id;
node->msg_type = msg_type;
node->publish_qos = publish_qos;
msg_queue_t *tail = *head;
if(tail){
while(tail->next!=NULL) tail = tail->next;
tail->next = node;
} else {
*head = node;
}
return node;
}
void msg_destroy(msg_queue_t *node){
if(!node) return;
if(node->msg.data){
c_free(node->msg.data);
node->msg.data = NULL;
}
c_free(node);
}
msg_queue_t * msg_dequeue(msg_queue_t **head){
if(!head || !*head){
return NULL;
}
msg_queue_t *node = *head; // fetch head.
*head = node->next; // update head.
node->next = NULL;
return node;
}

26
app/mqtt/msg_queue.h Normal file
View File

@ -0,0 +1,26 @@
#ifndef _MSG_QUEUE_H
#define _MSG_QUEUE_H 1
#include "mqtt_msg.h"
#ifdef __cplusplus
extern "C" {
#endif
struct msg_queue_t;
typedef struct msg_queue_t {
struct msg_queue_t *next;
mqtt_message_t msg;
uint16_t msg_id;
int msg_type;
int publish_qos;
} msg_queue_t;
msg_queue_t * msg_enqueue(msg_queue_t **head, mqtt_message_t *msg, uint16_t msg_id, int msg_type, int publish_qos);
void msg_destroy(msg_queue_t *node);
msg_queue_t * msg_dequeue(msg_queue_t **head);
#ifdef __cplusplus
}
#endif
#endif

30
examples/fragment.lua
View File

@ -396,3 +396,33 @@ string.gsub("abc%0Ddef", "%%(%x%x)", ex) print("hello")
v="abc%0D%0Adef" v="abc%0D%0Adef"
pcall(function() print(string.gsub(v, "%%(%x%x)", function(x) return string.char(tonumber(x, 16)) end)) end) pcall(function() print(string.gsub(v, "%%(%x%x)", function(x) return string.char(tonumber(x, 16)) end)) end)
m=mqtt.Client()
m:connect("192.168.18.88",1883)
topic={}
topic["/topic1"]=0
topic["/topic2"]=0
m:subscribe(topic,function(m) print("sub done") end)
m:on("message",function(m,t,pl) print(t..":") if pl~=nil then print(pl) end end )
m:publish("/topic1","hello",0,0)
m:publish("/topic3","hello",0,0) m:publish("/topic4","hello",0,0)
m=mqtt.Client()
m:connect("192.168.18.88",1883)
m:subscribe("/topic1",0,function(m) print("sub done") end)
m:subscribe("/topic2",0,function(m) print("sub done") end)
m:on("message",function(m,t,pl) print(t..":") if pl~=nil then print(pl) end end )
m:publish("/topic1","hello",0,0)
m:publish("/topic3","hello",0,0) m:publish("/topic4","hello",0,0)
m:publish("/topic1","hello1",0,0) m:publish("/topic2","hello2",0,0)
m:publish("/topic1","hello",1,0)
m:subscribe("/topic3",2,function(m) print("sub done") end)
m:publish("/topic3","hello3",2,0)
m=mqtt.Client()
m:connect("192.168.18.88",1883, function(con) print("connected hello") end)
m=mqtt.Client()
m:on("connect",function(m) print("connection") end )
m:connect("192.168.18.88",1883)
m:on("offline",function(m) print("disconnection") end )

2
ld/eagle.app.v6.ld
View File

@ -5,7 +5,7 @@ MEMORY
dport0_0_seg : org = 0x3FF00000, len = 0x10 dport0_0_seg : org = 0x3FF00000, len = 0x10
dram0_0_seg : org = 0x3FFE8000, len = 0x14000 dram0_0_seg : org = 0x3FFE8000, len = 0x14000
iram1_0_seg : org = 0x40100000, len = 0x8000 iram1_0_seg : org = 0x40100000, len = 0x8000
irom0_0_seg : org = 0x40210000, len = 0x5A000 irom0_0_seg : org = 0x40210000, len = 0x60000
} }
PHDRS PHDRS