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Mqtt support for windows #257

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Mqtt support for windows #257

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2 changes: 2 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -165,6 +165,8 @@ option(ENABLE_SAMPLES "Parameter to enable samples building" ON)
message("ENABLE_PAHO_INSTALLATION=${ENABLE_PAHO_INSTALLATION}")
if(${ENABLE_PAHO_INSTALLATION})
find_library(MQTT paho-mqtt3c)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DPAHO_INC" )
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DPAHO_INC" )
endif()

message("ENABLE_RDKAFKA_INSTALLATION=${ENABLE_RDKAFKA_INSTALLATION}")
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4 changes: 2 additions & 2 deletions gst/elements/CMakeLists.txt
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Expand Up @@ -103,8 +103,8 @@ PRIVATE
gvametapublish
)
if (MQTT)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DPAHO_INC ")
target_link_libraries(${TARGET_NAME} PRIVATE paho-mqtt3a uuid)
target_link_libraries(${TARGET_NAME} PRIVATE ${MQTT}/../paho-mqtt3a.lib uuid)
target_include_directories(${TARGET_NAME} PRIVATE ${MQTT}/../../include)
message("MQTT support will be available in metapublish element")
else()
message("MQTT support will not be available. Ensure required libraries (Paho MQTT) are installed, and rebuild plugin with -DMQTT=1 before attempting to use MQTT")
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14 changes: 12 additions & 2 deletions gst/elements/gvametapublish/c_metapublish_mqtt.c
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Expand Up @@ -5,7 +5,11 @@
******************************************************************************/
#include "c_metapublish_mqtt.h"
#ifdef PAHO_INC
#include <uuid/uuid.h>

#ifndef WIN32
#include<uuid / uuid.h>
#include <sys/random.h>
#endif

GST_DEBUG_CATEGORY_STATIC(gst_gva_meta_publish_debug_category);
#define GST_CAT_DEFAULT gst_gva_meta_publish_debug_category
Expand Down Expand Up @@ -36,10 +40,15 @@ static gboolean metapublish_mqtt_method_start(MetapublishMethod *self, GstGvaMet
mp_mqtt->connection_attempt = 1;
mp_mqtt->sleep_time = 1;
if (!gvametapublish->mqtt_client_id) {
char *uuid = g_malloc(37 * sizeof(char)); // 36 character UUID string plus terminating character
#ifdef WIN32
uuid = "my_client ";
#else
uuid_t binuuid;
uuid_generate_random(binuuid);
char *uuid = g_malloc(37 * sizeof(char)); // 36 character UUID string plus terminating character
uuid_unparse(binuuid, uuid);
#endif // WIN32
printf("** MQTT Client ID is : %s ** \n", uuid);
gvametapublish->mqtt_client_id = uuid;
}
MQTTAsync_create(mp_mqtt->client, gvametapublish->address, gvametapublish->mqtt_client_id,
Expand Down Expand Up @@ -76,6 +85,7 @@ static gboolean metapublish_mqtt_method_publish(MetapublishMethod *self, GstGvaM
message.payload = json_message;
message.payloadlen = (gint)strlen(message.payload);
message.retained = FALSE;
message.qos = 2;
gint c;
// TODO Validate message is JSON
MQTTAsync_responseOptions ro = MQTTAsync_responseOptions_initializer;
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