Merge pull request #1787 from cesanta/zephyr

Update Zephyr examples

examples/zephyr/http-client/CMakeLists.txt

@@ -5,7 +5,7 @@
 
 cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
-project(http_server)
+project(http_client)
 #add_definitions(-DMG_ENABLE_LINES=1)
 add_definitions(-DMG_ENABLE_MBEDTLS=1 -DMG_MBEDTLS_DEBUG_LEVEL=4)
 target_sources(app PRIVATE src/main.c src/mongoose.c)

examples/zephyr/http-client/Makefile

@@ -1,17 +1,59 @@
-PROJECT_DIR ?= /mnt
-ZEPHYR_DIR ?= /zephyrproject
-BOARD ?= nucleo_f746zg
-DOCKER ?= docker run -v $(realpath $(CURDIR)):/mnt mdashnet/zephyr
+MONGOOSE_ROOT ?= $(realpath $(CURDIR)/../../..)
+DOCKER_PROJECT_DIR ?= /workdir
+ZEPHYR_DIR ?= zephyrproject
+PROJECT_NAME = $(notdir $(CURDIR))
+PROJECT_PATH = $(realpath $(CURDIR))
+ZEPHYR_PATH = $(realpath $(CURDIR)/..)/$(ZEPHYR_DIR)
+DOCKER_PROJECT_PATH = $(DOCKER_PROJECT_DIR)/$(PROJECT_NAME)
+DOCKER_ZEPHYR_PATH = $(DOCKER_PROJECT_DIR)/$(ZEPHYR_DIR)
+
+BOARD ?= qemu_x86
+ifeq "$(BOARD)" "qemu_x86"
+OVERLAY ?= -DOVERLAY_CONFIG=overlay-e1000.conf
+else
+OVERLAY ?= 
+endif
+
+SHAREUSB ?= --privileged -v /dev/bus/usb/:/dev/bus/usb
+SHARETUN ?= --cap-add=NET_ADMIN --device /dev/net/tun --net=host
+DOCKER ?= docker run --rm -v $(PROJECT_PATH):$(DOCKER_PROJECT_PATH) -v $(ZEPHYR_PATH):$(DOCKER_ZEPHYR_PATH)
+REPO ?= zephyrprojectrtos/ci
+
 
 example:
 	true
 
 build:
-	cp ../../../mongoose.c ../../../mongoose.h src/
-	$(DOCKER) /bin/sh -c 'cd $(ZEPHYR_DIR) && west build -b $(BOARD) -p auto $(PROJECT_DIR)'
+	cp $(MONGOOSE_ROOT)/mongoose.[c,h] src/
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH)/zephyr && \
+	west build -b $(BOARD) -p auto $(DOCKER_PROJECT_PATH) $(OVERLAY) --build-dir $(DOCKER_PROJECT_PATH)/build'
 
-flash:
-	cd $(ZEPHYR_DIR) && west flash
+run:
+	$(DOCKER) -it $(SHARETUN) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west build -t run --build-dir $(DOCKER_PROJECT_PATH)/build'
 
 clean:
-	rm -rf */*/mongoose.*
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west build -t clean --build-dir $(DOCKER_PROJECT_PATH)/build'
+
+pristine:
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west build -t pristine --build-dir $(DOCKER_PROJECT_PATH)/build'
+
+
+flash:
+	$(DOCKER) $(SHAREUSB) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west flash --build-dir $(DOCKER_PROJECT_PATH)/build'
+
+debug:
+	$(DOCKER) -it $(SHAREUSB) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west debug --build-dir $(DOCKER_PROJECT_PATH)/build'
+
+.PHONY: build flash zephyr clean pristine run
+
+zephyr:
+ifeq ($(wildcard $(ZEPHYR_PATH)/.*),)
+	mkdir $(ZEPHYR_PATH)
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_PROJECT_DIR) && west init ./$(ZEPHYR_DIR)'
+endif
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && west update'

examples/zephyr/http-client/README.md

@@ -0,0 +1 @@
+../README.md

examples/zephyr/http-client/overlay-e1000.conf

@@ -0,0 +1,7 @@
+CONFIG_NET_L2_ETHERNET=y
+CONFIG_NET_QEMU_ETHERNET=y
+CONFIG_ETH_QEMU_IFACE_NAME="tap0"
+
+CONFIG_PCIE=y
+
+#CONFIG_ETHERNET_LOG_LEVEL_DBG=y

examples/zephyr/http-client/prj.conf

@@ -8,6 +8,7 @@ CONFIG_NET_SOCKETS=y
 CONFIG_NET_SOCKETS_POLL_MAX=32
 CONFIG_POSIX_MAX_FDS=32
 CONFIG_NET_CONFIG_SETTINGS=y
+CONFIG_NET_CONNECTION_MANAGER=y
 CONFIG_NET_LOG=y
 
 CONFIG_LOG=y
@@ -27,4 +28,4 @@ CONFIG_MINIMAL_LIBC_MALLOC_ARENA_SIZE=131072
 
 CONFIG_PRINTK=y
 CONFIG_MBEDTLS_DEBUG=y
-CONFIG_MBEDTLS_DEBUG_LEVEL=4
+CONFIG_MBEDTLS_LOG_LEVEL_DBG=y

examples/zephyr/http-client/src/main.c

@@ -11,6 +11,7 @@ static const char *s_post_data = NULL;     // POST data
 static const int64_t s_timeout_ms = 1500;  // Connect timeout in milliseconds
 struct mg_mgr s_mgr;
 static int s_connected = 0;
+static bool done = false;
 
 // Print HTTP response and signal that we're done
 static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
@@ -54,25 +55,23 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
   }
 }
 
-// We have no valid system time(), and we need it for TLS. Implement it
-time_t time(time_t *tp) {
-  time_t t = s_boot_timestamp + k_uptime_get() / 1000;
+// example system time()-like function
+time_t ourtime(time_t *tp) {
+  time_t t = s_boot_timestamp + mg_millis() / 1000;
   if (tp != NULL) *tp = t;
   return t;
 }
 
-// SNTP callback. Modifies s_boot_timestamp, to make time() correct
+// SNTP callback. Modifies s_boot_timestamp, to make ourtime() correct
 static void sfn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
   if (ev == MG_EV_SNTP_TIME) {
     int64_t t = *(int64_t *) ev_data;
     MG_INFO(("Got SNTP time: %lld ms from epoch", t));
     s_boot_timestamp = (time_t) ((t - mg_millis()) / 1000);
 
-    // We need correct time in order to get HTTPs working, therefore,
-    // making https request from SMTP callback
     if (!s_connected) {
       MG_INFO(("Connecting to    : [%s]", s_url));
-      mg_http_connect(&s_mgr, s_url, fn, NULL);  // Create client connection
+      mg_http_connect(&s_mgr, s_url, fn, &done);  // Create client connection
       s_connected = 1;
     }
   } else if (ev == MG_EV_CLOSE) {
@@ -87,17 +86,33 @@ static void timer_fn(void *arg) {
   if (s_boot_timestamp < 9999) mg_sntp_request(s_sntp_conn);
 }
 
+// Zephyr: Define a semaphore and network management callback to be able to wait
+// until our IP address is ready. The main function will start and block on this
+// semaphore until this event handler releases it when the network is ready
+K_SEM_DEFINE(run, 0, 1);
+
+static void zeh(struct net_mgmt_event_callback *cb, uint32_t mgmt_event,
+                struct net_if *iface) {
+  if (mgmt_event == NET_EVENT_L4_CONNECTED) k_sem_give(&run);
+}
+
 int main(int argc, char *argv[]) {
+  // Zephyr: Register the network management callback and block on the semaphore
+  struct net_mgmt_event_callback ncb;
+  net_mgmt_init_event_callback(&ncb, zeh, NET_EVENT_L4_CONNECTED);
+  net_mgmt_add_event_callback(&ncb);
+  k_sem_take(&run, K_FOREVER);
+
   mg_log_set(MG_LL_DEBUG);
 
   mg_mgr_init(&s_mgr);
   mg_timer_add(&s_mgr, 5000, MG_TIMER_REPEAT | MG_TIMER_RUN_NOW, timer_fn,
                &s_mgr);
 
-  // Start infinite event loop
+  // Start event loop, exit when client is done
   MG_INFO(("Mongoose version : v%s", MG_VERSION));
 
-  for (;;) mg_mgr_poll(&s_mgr, 1000);
+  while (!done) mg_mgr_poll(&s_mgr, 1000);
   mg_mgr_free(&s_mgr);
 
   return 0;

examples/zephyr/http-server/Makefile

@@ -1,7 +1,13 @@
-PROJECT_DIR ?= /workdir
+MONGOOSE_ROOT ?= $(realpath $(CURDIR)/../../..)
+DOCKER_PROJECT_DIR ?= /workdir
 ZEPHYR_DIR ?= zephyrproject
-BOARD ?= qemu_x86
+PROJECT_NAME = $(notdir $(CURDIR))
+PROJECT_PATH = $(realpath $(CURDIR))
+ZEPHYR_PATH = $(realpath $(CURDIR)/..)/$(ZEPHYR_DIR)
+DOCKER_PROJECT_PATH = $(DOCKER_PROJECT_DIR)/$(PROJECT_NAME)
+DOCKER_ZEPHYR_PATH = $(DOCKER_PROJECT_DIR)/$(ZEPHYR_DIR)
 
+BOARD ?= qemu_x86
 ifeq "$(BOARD)" "qemu_x86"
 OVERLAY ?= -DOVERLAY_CONFIG=overlay-e1000.conf
 else
@@ -10,7 +16,7 @@ endif
 
 SHAREUSB ?= --privileged -v /dev/bus/usb/:/dev/bus/usb
 SHARETUN ?= --cap-add=NET_ADMIN --device /dev/net/tun --net=host
-DOCKER ?= docker run --rm -v $(realpath $(CURDIR)):$(PROJECT_DIR)
+DOCKER ?= docker run --rm -v $(PROJECT_PATH):$(DOCKER_PROJECT_PATH) -v $(ZEPHYR_PATH):$(DOCKER_ZEPHYR_PATH)
 REPO ?= zephyrprojectrtos/ci
 
 
@@ -18,35 +24,36 @@ example:
 	true
 
 build:
-	cp ../../../mongoose.[c,h] src/
-	$(DOCKER) $(REPO) /bin/sh -c 'cd $(PROJECT_DIR)/$(ZEPHYR_DIR)/zephyr && \
-	west build -b $(BOARD) -p auto $(PROJECT_DIR) $(OVERLAY) --build-dir $(PROJECT_DIR)/build'
+	cp $(MONGOOSE_ROOT)/mongoose.[c,h] src/
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH)/zephyr && \
+	west build -b $(BOARD) -p auto $(DOCKER_PROJECT_PATH) $(OVERLAY) --build-dir $(DOCKER_PROJECT_PATH)/build'
 
 run:
-	$(DOCKER) -it $(SHARETUN) $(REPO) /bin/sh -c 'cd $(PROJECT_DIR)/$(ZEPHYR_DIR) && \
-	west build -t run --build-dir $(PROJECT_DIR)/build'
+	$(DOCKER) -it $(SHARETUN) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west build -t run --build-dir $(DOCKER_PROJECT_PATH)/build'
 
 clean:
-	$(DOCKER) $(REPO) /bin/sh -c 'cd $(PROJECT_DIR)/$(ZEPHYR_DIR) && \
-	west build -t clean --build-dir $(PROJECT_DIR)/build'
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west build -t clean --build-dir $(DOCKER_PROJECT_PATH)/build'
 
 pristine:
-	$(DOCKER) $(REPO) /bin/sh -c 'cd $(PROJECT_DIR)/$(ZEPHYR_DIR) && \
-	west build -t pristine --build-dir $(PROJECT_DIR)/build'
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west build -t pristine --build-dir $(DOCKER_PROJECT_PATH)/build'
 
 
 flash:
-	$(DOCKER) $(SHAREUSB) $(REPO) /bin/sh -c 'cd $(PROJECT_DIR)/$(ZEPHYR_DIR) && \
-	west flash --build-dir $(PROJECT_DIR)/build'
+	$(DOCKER) $(SHAREUSB) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west flash --build-dir $(DOCKER_PROJECT_PATH)/build'
 
 debug:
-	$(DOCKER) -it $(SHAREUSB) $(REPO) /bin/sh -c 'cd $(PROJECT_DIR)/$(ZEPHYR_DIR) && \
-	west debug --build-dir $(PROJECT_DIR)/build'
+	$(DOCKER) -it $(SHAREUSB) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west debug --build-dir $(DOCKER_PROJECT_PATH)/build'
 
 .PHONY: build flash zephyr clean pristine run
 
-zephyr: 
-ifeq ($(wildcard $(ZEPHYR_DIR)/.*),)
-	$(DOCKER) $(REPO) /bin/sh -c 'cd $(PROJECT_DIR) && west init ./$(ZEPHYR_DIR)'
+zephyr:
+ifeq ($(wildcard $(ZEPHYR_PATH)/.*),)
+	mkdir $(ZEPHYR_PATH)
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_PROJECT_DIR) && west init ./$(ZEPHYR_DIR)'
 endif
-	$(DOCKER) $(REPO) /bin/sh -c 'cd $(PROJECT_DIR)/$(ZEPHYR_DIR) && west update'
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && west update'

examples/zephyr/http-server/overlay-e1000.conf

@@ -0,0 +1,7 @@
+CONFIG_NET_L2_ETHERNET=y
+CONFIG_NET_QEMU_ETHERNET=y
+CONFIG_ETH_QEMU_IFACE_NAME="tap0"
+
+CONFIG_PCIE=y
+
+#CONFIG_ETHERNET_LOG_LEVEL_DBG=y

examples/zephyr/http-server/src/main.c

@@ -43,14 +43,14 @@ static void wcb(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
   }
 }
 
-// We have no valid system time(), and we need it for TLS. Implement it
-time_t time(time_t *tp) {
-  time_t t = s_boot_timestamp + k_uptime_get() / 1000;
+// example system time()-like function
+time_t ourtime(time_t *tp) {
+  time_t t = s_boot_timestamp + mg_millis() / 1000;
   if (tp != NULL) *tp = t;
   return t;
 }
 
-// SNTP callback. Modifies s_boot_timestamp, to make time() correct
+// SNTP callback. Modifies s_boot_timestamp, to make ourtime() correct
 static void sfn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
   if (ev == MG_EV_SNTP_TIME) {
     int64_t t = *(int64_t *) ev_data;

examples/zephyr/http-server/src/mongoose.c

@@ -5614,6 +5614,7 @@ uint64_t mg_millis(void) {
 }
 #endif
 
+
 #ifdef MG_ENABLE_LINES
 #line 1 "src/ws.c"
 #endif

examples/zephyr/mqtt-aws-client/CMakeLists.txt

@@ -5,7 +5,7 @@
 
 cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
-project(http_server)
+project(mqtt_aws_client)
 #add_definitions(-DMG_ENABLE_LINES=1)
 add_definitions(-DMG_ENABLE_MBEDTLS=1 -DMG_MBEDTLS_DEBUG_LEVEL=4)
 target_sources(app PRIVATE src/main.c src/mongoose.c)

examples/zephyr/mqtt-aws-client/Makefile

@@ -1,17 +1,59 @@
-PROJECT_DIR ?= /mnt
-ZEPHYR_DIR ?= /zephyrproject
-BOARD ?= nucleo_f746zg
-DOCKER ?= docker run -v $(realpath $(CURDIR)):/mnt mdashnet/zephyr
+MONGOOSE_ROOT ?= $(realpath $(CURDIR)/../../..)
+DOCKER_PROJECT_DIR ?= /workdir
+ZEPHYR_DIR ?= zephyrproject
+PROJECT_NAME = $(notdir $(CURDIR))
+PROJECT_PATH = $(realpath $(CURDIR))
+ZEPHYR_PATH = $(realpath $(CURDIR)/..)/$(ZEPHYR_DIR)
+DOCKER_PROJECT_PATH = $(DOCKER_PROJECT_DIR)/$(PROJECT_NAME)
+DOCKER_ZEPHYR_PATH = $(DOCKER_PROJECT_DIR)/$(ZEPHYR_DIR)
+
+BOARD ?= qemu_x86
+ifeq "$(BOARD)" "qemu_x86"
+OVERLAY ?= -DOVERLAY_CONFIG=overlay-e1000.conf
+else
+OVERLAY ?= 
+endif
+
+SHAREUSB ?= --privileged -v /dev/bus/usb/:/dev/bus/usb
+SHARETUN ?= --cap-add=NET_ADMIN --device /dev/net/tun --net=host
+DOCKER ?= docker run --rm -v $(PROJECT_PATH):$(DOCKER_PROJECT_PATH) -v $(ZEPHYR_PATH):$(DOCKER_ZEPHYR_PATH)
+REPO ?= zephyrprojectrtos/ci
+
 
 example:
 	true
 
 build:
-	cp ../../../mongoose.c ../../../mongoose.h src/
-	$(DOCKER) /bin/sh -c 'cd $(ZEPHYR_DIR) && west build -b $(BOARD) -p auto $(PROJECT_DIR)'
+	cp $(MONGOOSE_ROOT)/mongoose.[c,h] src/
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH)/zephyr && \
+	west build -b $(BOARD) -p auto $(DOCKER_PROJECT_PATH) $(OVERLAY) --build-dir $(DOCKER_PROJECT_PATH)/build'
 
-flash:
-	cd $(ZEPHYR_DIR) && west flash
+run:
+	$(DOCKER) -it $(SHARETUN) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west build -t run --build-dir $(DOCKER_PROJECT_PATH)/build'
 
 clean:
-	rm -rf */*/mongoose.*
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west build -t clean --build-dir $(DOCKER_PROJECT_PATH)/build'
+
+pristine:
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west build -t pristine --build-dir $(DOCKER_PROJECT_PATH)/build'
+
+
+flash:
+	$(DOCKER) $(SHAREUSB) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west flash --build-dir $(DOCKER_PROJECT_PATH)/build'
+
+debug:
+	$(DOCKER) -it $(SHAREUSB) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west debug --build-dir $(DOCKER_PROJECT_PATH)/build'
+
+.PHONY: build flash zephyr clean pristine run
+
+zephyr:
+ifeq ($(wildcard $(ZEPHYR_PATH)/.*),)
+	mkdir $(ZEPHYR_PATH)
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_PROJECT_DIR) && west init ./$(ZEPHYR_DIR)'
+endif
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && west update'

examples/zephyr/mqtt-aws-client/README.md

@@ -0,0 +1 @@
+../README.md

examples/zephyr/mqtt-aws-client/overlay-e1000.conf

@@ -0,0 +1,7 @@
+CONFIG_NET_L2_ETHERNET=y
+CONFIG_NET_QEMU_ETHERNET=y
+CONFIG_ETH_QEMU_IFACE_NAME="tap0"
+
+CONFIG_PCIE=y
+
+#CONFIG_ETHERNET_LOG_LEVEL_DBG=y

examples/zephyr/mqtt-aws-client/prj.conf

@@ -8,6 +8,7 @@ CONFIG_NET_SOCKETS=y
 CONFIG_NET_SOCKETS_POLL_MAX=32
 CONFIG_POSIX_MAX_FDS=32
 CONFIG_NET_CONFIG_SETTINGS=y
+CONFIG_NET_CONNECTION_MANAGER=y
 CONFIG_NET_LOG=y
 
 CONFIG_LOG=y
@@ -27,4 +28,4 @@ CONFIG_MINIMAL_LIBC_MALLOC_ARENA_SIZE=131072
 
 CONFIG_PRINTK=y
 CONFIG_MBEDTLS_DEBUG=y
-CONFIG_MBEDTLS_DEBUG_LEVEL=4
+CONFIG_MBEDTLS_LOG_LEVEL_DBG=y

examples/zephyr/mqtt-aws-client/src/main.c

@@ -50,14 +50,14 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
   }
 }
 
-// We have no valid system time(), and we need it for TLS. Implement it
-time_t time(time_t *tp) {
-  time_t t = s_boot_timestamp + k_uptime_get() / 1000;
+// example system time()-like function
+time_t ourtime(time_t *tp) {
+  time_t t = s_boot_timestamp + mg_millis() / 1000;
   if (tp != NULL) *tp = t;
   return t;
 }
 
-// SNTP callback. Modifies s_boot_timestamp, to make time() correct
+// SNTP callback. Modifies s_boot_timestamp, to make ourtime() correct
 static void sfn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
   if (ev == MG_EV_SNTP_TIME) {
     int64_t t = *(int64_t *) ev_data;
@@ -85,7 +85,23 @@ static void timer_fn(void *arg) {
   if (s_boot_timestamp < 9999) mg_sntp_request(s_sntp_conn);
 }
 
+// Zephyr: Define a semaphore and network management callback to be able to wait
+// until our IP address is ready. The main function will start and block on this
+// semaphore until this event handler releases it when the network is ready
+K_SEM_DEFINE(run, 0, 1);
+
+static void zeh(struct net_mgmt_event_callback *cb, uint32_t mgmt_event,
+                struct net_if *iface) {
+  if (mgmt_event == NET_EVENT_L4_CONNECTED) k_sem_give(&run);
+}
+
 int main(int argc, char *argv[]) {
+  // Zephyr: Register the network management callback and block on the semaphore
+  struct net_mgmt_event_callback ncb;
+  net_mgmt_init_event_callback(&ncb, zeh, NET_EVENT_L4_CONNECTED);
+  net_mgmt_add_event_callback(&ncb);
+  k_sem_take(&run, K_FOREVER);
+
   mg_log_set(MG_LL_DEBUG);
 
   mg_mgr_init(&mgr);

examples/zephyr/websocket-server/CMakeLists.txt

@@ -5,7 +5,7 @@
 
 cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
-project(http_server)
+project(websocket_server)
 #add_definitions(-DMG_ENABLE_LINES=1)
 add_definitions(-DMG_ENABLE_MBEDTLS=1)
 target_sources(app PRIVATE src/main.c src/mongoose.c)

examples/zephyr/websocket-server/Makefile

@@ -1,17 +1,59 @@
-PROJECT_DIR ?= /mnt
-ZEPHYR_DIR ?= /zephyrproject
-BOARD ?= nucleo_f746zg
-DOCKER ?= docker run -v $(realpath $(CURDIR)):/mnt mdashnet/zephyr
+MONGOOSE_ROOT ?= $(realpath $(CURDIR)/../../..)
+DOCKER_PROJECT_DIR ?= /workdir
+ZEPHYR_DIR ?= zephyrproject
+PROJECT_NAME = $(notdir $(CURDIR))
+PROJECT_PATH = $(realpath $(CURDIR))
+ZEPHYR_PATH = $(realpath $(CURDIR)/..)/$(ZEPHYR_DIR)
+DOCKER_PROJECT_PATH = $(DOCKER_PROJECT_DIR)/$(PROJECT_NAME)
+DOCKER_ZEPHYR_PATH = $(DOCKER_PROJECT_DIR)/$(ZEPHYR_DIR)
+
+BOARD ?= qemu_x86
+ifeq "$(BOARD)" "qemu_x86"
+OVERLAY ?= -DOVERLAY_CONFIG=overlay-e1000.conf
+else
+OVERLAY ?= 
+endif
+
+SHAREUSB ?= --privileged -v /dev/bus/usb/:/dev/bus/usb
+SHARETUN ?= --cap-add=NET_ADMIN --device /dev/net/tun --net=host
+DOCKER ?= docker run --rm -v $(PROJECT_PATH):$(DOCKER_PROJECT_PATH) -v $(ZEPHYR_PATH):$(DOCKER_ZEPHYR_PATH)
+REPO ?= zephyrprojectrtos/ci
+
 
 example:
 	true
 
 build:
-	cp ../../../mongoose.c ../../../mongoose.h src/
-	$(DOCKER) /bin/sh -c 'cd $(ZEPHYR_DIR) && west build -b $(BOARD) -p auto $(PROJECT_DIR)'
+	cp $(MONGOOSE_ROOT)/mongoose.[c,h] src/
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH)/zephyr && \
+	west build -b $(BOARD) -p auto $(DOCKER_PROJECT_PATH) $(OVERLAY) --build-dir $(DOCKER_PROJECT_PATH)/build'
 
-flash:
-	cd $(ZEPHYR_DIR) && west flash
+run:
+	$(DOCKER) -it $(SHARETUN) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west build -t run --build-dir $(DOCKER_PROJECT_PATH)/build'
 
 clean:
-	rm -rf */*/mongoose.*
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west build -t clean --build-dir $(DOCKER_PROJECT_PATH)/build'
+
+pristine:
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west build -t pristine --build-dir $(DOCKER_PROJECT_PATH)/build'
+
+
+flash:
+	$(DOCKER) $(SHAREUSB) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west flash --build-dir $(DOCKER_PROJECT_PATH)/build'
+
+debug:
+	$(DOCKER) -it $(SHAREUSB) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && \
+	west debug --build-dir $(DOCKER_PROJECT_PATH)/build'
+
+.PHONY: build flash zephyr clean pristine run
+
+zephyr:
+ifeq ($(wildcard $(ZEPHYR_PATH)/.*),)
+	mkdir $(ZEPHYR_PATH)
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_PROJECT_DIR) && west init ./$(ZEPHYR_DIR)'
+endif
+	$(DOCKER) $(REPO) /bin/sh -c 'cd $(DOCKER_ZEPHYR_PATH) && west update'

examples/zephyr/websocket-server/README.md

@@ -0,0 +1 @@
+../README.md

examples/zephyr/websocket-server/overlay-e1000.conf

@@ -0,0 +1,7 @@
+CONFIG_NET_L2_ETHERNET=y
+CONFIG_NET_QEMU_ETHERNET=y
+CONFIG_ETH_QEMU_IFACE_NAME="tap0"
+
+CONFIG_PCIE=y
+
+#CONFIG_ETHERNET_LOG_LEVEL_DBG=y

examples/zephyr/websocket-server/prj.conf

@@ -8,6 +8,7 @@ CONFIG_NET_SOCKETS=y
 CONFIG_NET_SOCKETS_POLL_MAX=32
 CONFIG_POSIX_MAX_FDS=32
 CONFIG_NET_CONFIG_SETTINGS=y
+CONFIG_NET_CONNECTION_MANAGER=y
 CONFIG_NET_LOG=y
 
 CONFIG_LOG=y

examples/zephyr/websocket-server/src/main.c

@@ -32,19 +32,20 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
   } else if (ev == MG_EV_WS_MSG) {
     // Got websocket frame. Received data is wm->data. Echo it back!
     struct mg_ws_message *wm = (struct mg_ws_message *) ev_data;
+    MG_INFO(("Got wm: %p, data: %p, %d = %*.s", wm, wm->data.ptr, wm->data.len, wm->data.len, wm->data.ptr));
     mg_ws_send(c, wm->data.ptr, wm->data.len, WEBSOCKET_OP_TEXT);
   }
   (void) fn_data;
 }
 
-// We have no valid system time(), and we need it for TLS. Implement it
-time_t time(time_t *tp) {
-  time_t t = s_boot_timestamp + k_uptime_get() / 1000;
+// example system time()-like function
+time_t ourtime(time_t *tp) {
+  time_t t = s_boot_timestamp + mg_millis() / 1000;
   if (tp != NULL) *tp = t;
   return t;
 }
 
-// SNTP callback. Modifies s_boot_timestamp, to make time() correct
+// SNTP callback. Modifies s_boot_timestamp, to make ourtime() correct
 static void sfn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
   if (ev == MG_EV_SNTP_TIME) {
     int64_t t = *(int64_t *) ev_data;
@@ -62,7 +63,23 @@ static void timer_fn(void *arg) {
   if (s_boot_timestamp < 9999) mg_sntp_request(s_sntp_conn);
 }
 
+// Zephyr: Define a semaphore and network management callback to be able to wait
+// until our IP address is ready. The main function will start and block on this
+// semaphore until this event handler releases it when the network is ready
+K_SEM_DEFINE(run, 0, 1);
+
+static void zeh(struct net_mgmt_event_callback *cb, uint32_t mgmt_event,
+                struct net_if *iface) {
+  if (mgmt_event == NET_EVENT_L4_CONNECTED) k_sem_give(&run);
+}
+
 int main(int argc, char *argv[]) {
+  // Zephyr: Register the network management callback and block on the semaphore
+  struct net_mgmt_event_callback ncb;
+  net_mgmt_init_event_callback(&ncb, zeh, NET_EVENT_L4_CONNECTED);
+  net_mgmt_add_event_callback(&ncb);
+  k_sem_take(&run, K_FOREVER);
+
   struct mg_mgr mgr;
 
   mg_mgr_init(&mgr);