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More PPP nitpicks

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This commit is contained in:
Sergey Lyubka 2024-11-28 08:46:32 +00:00
parent fb6dfbcd3c
commit 78900304bf
4 changed files with 19 additions and 7 deletions
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6
examples/arduino/sim800-mqtt/mongoose_config.h
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@ -14,8 +14,6 @@
#define MG_ENABLE_TCPIP_DRIVER_INIT 0
#define MG_ENABLE_TCPIP_PRINT_DEBUG_STATS 0
#define MG_ENABLE_CUSTOM_MILLIS 1
#define MG_ENABLE_CUSTOM_RANDOM 1
#define MG_TLS MG_TLS_BUILTIN
#define MG_IO_SIZE 128
// Enable TLS
// #define MG_TLS MG_TLS_BUILTIN
// #define MG_ENABLE_CUSTOM_RANDOM 1

16
examples/arduino/sim800-mqtt/sim800-mqtt.ino
View File

@ -1,7 +1,7 @@
#include <SoftwareSerial.h>
#include "mongoose.h"
#define MQTT_SERVER "mqtt://broker.hivemq.com:1883"
#define MQTT_SERVER "mqtts://broker.hivemq.com:8883"
#define MQTT_SUB_TOPIC "mg/rx" // Subscribe to this topic
#define MQTT_PUB_TOPIC "mg/tx" // Publish to this topic
@ -15,6 +15,10 @@ static const char *script[] = {
NULL,
};
// Visit https://mongoose.ws/tls/ and copy-paste CA certificate for your server
#define TLS_CA \
""
// We use Serial1 or software serial to communicate with the modem
#define LED_PIN LED_BUILTIN
#define RST_PIN 10
@ -31,6 +35,11 @@ struct mg_tcpip_if mif = {.mac = {2, 0, 1, 2, 3, 5}}; // Network interface
uint64_t mg_millis(void) {
return millis();
}
bool mg_random(void *buf, size_t len) { // For TLS
uint8_t *p = (uint8_t *) buf;
while (len--) *p++ = (unsigned char) (rand() & 255);
return true;
}
void mqtt_publish(const char *message) {
struct mg_mqtt_opts opts = {};
@ -50,6 +59,11 @@ void handle_command(struct mg_str msg) {
}
static void mqtt_ev_handler(struct mg_connection *c, int ev, void *ev_data) {
if (ev == MG_EV_CONNECT && mg_url_is_ssl(MQTT_SERVER)) {
struct mg_tls_opts opts = {};
opts.ca = mg_str(TLS_CA);
mg_tls_init(c, &opts);
}
if (ev == MG_EV_MQTT_OPEN) {
MG_INFO(("%lu CONNECTED to %s", c->id, MQTT_SERVER));
struct mg_mqtt_opts opts = {};

2
mongoose.c
View File

@ -18095,7 +18095,7 @@ static size_t mg_ppp_rx(void *ethbuf, size_t ethlen, struct mg_tcpip_if *ifp) {
case MG_PPP_PROTO_LCP: mg_ppp_handle_lcp(ifp, buf + 4, bufsz - 4); break;
case MG_PPP_PROTO_IPCP: mg_ppp_handle_ipcp(ifp, buf + 4, bufsz - 4); break;
case MG_PPP_PROTO_IP:
MG_DEBUG(("got IP packet of %d bytes", bufsz - 4));
MG_VERBOSE(("got IP packet of %d bytes", bufsz - 4));
memmove(eth + 14, buf + 4, bufsz - 4);
memmove(eth, ifp->mac, 6);
memmove(eth + 6, "\xff\xff\xff\xff\xff\xff", 6);

2
src/drivers/ppp.c
View File

@ -301,7 +301,7 @@ static size_t mg_ppp_rx(void *ethbuf, size_t ethlen, struct mg_tcpip_if *ifp) {
case MG_PPP_PROTO_LCP: mg_ppp_handle_lcp(ifp, buf + 4, bufsz - 4); break;
case MG_PPP_PROTO_IPCP: mg_ppp_handle_ipcp(ifp, buf + 4, bufsz - 4); break;
case MG_PPP_PROTO_IP:
MG_DEBUG(("got IP packet of %d bytes", bufsz - 4));
MG_VERBOSE(("got IP packet of %d bytes", bufsz - 4));
memmove(eth + 14, buf + 4, bufsz - 4);
memmove(eth, ifp->mac, 6);
memmove(eth + 6, "\xff\xff\xff\xff\xff\xff", 6);