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-rw-r--r--src/nxt_application.c26
-rw-r--r--src/nxt_application.h3
-rw-r--r--src/nxt_go.c2
-rw-r--r--src/nxt_main.h1
-rw-r--r--src/nxt_main_process.c10
-rw-r--r--src/nxt_php_sapi.c6
-rw-r--r--src/nxt_python_wsgi.c7
7 files changed, 50 insertions, 5 deletions
diff --git a/src/nxt_application.c b/src/nxt_application.c
index d9245688..c1a3bb77 100644
--- a/src/nxt_application.c
+++ b/src/nxt_application.c
@@ -37,6 +37,11 @@ static nxt_http_fields_hash_t *nxt_app_request_fields_hash;
static nxt_application_module_t *nxt_app;
+static uint32_t compat[] = {
+ NXT_VERNUM,
+};
+
+
nxt_int_t
nxt_discovery_start(nxt_task_t *task, void *data)
{
@@ -195,18 +200,29 @@ nxt_discovery_module(nxt_task_t *task, nxt_mp_t *mp, nxt_array_t *modules,
app = dlsym(dl, "nxt_app_module");
if (app != NULL) {
- nxt_log(task, NXT_LOG_NOTICE, "module: %V \"%s\"",
- &app->version, name);
+ nxt_log(task, NXT_LOG_NOTICE, "module: %V %V \"%s\"",
+ &app->type, &app->version, name);
+
+ if (app->compat_length != sizeof(compat)
+ || nxt_memcmp(app->compat, compat, sizeof(compat)) != 0)
+ {
+ nxt_log(task, NXT_LOG_NOTICE, "incompatible module %s", name);
+
+ goto done;
+ }
module = modules->elts;
n = modules->nelts;
for (i = 0; i < n; i++) {
- if (nxt_strstr_eq(&app->version, &module[i].version)) {
+ if (nxt_strstr_eq(&app->type, &module[i].type)
+ && nxt_strstr_eq(&app->version, &module[i].version))
+ {
nxt_log(task, NXT_LOG_NOTICE,
"ignoring %s module with the same "
- "application language version %V as in %s",
- name, &module[i].version, &module[i].file);
+ "application language version %V %V as in %s",
+ name, &module[i].type, &module[i].version,
+ &module[i].file);
goto done;
}
diff --git a/src/nxt_application.h b/src/nxt_application.h
index c8d9998d..7747883b 100644
--- a/src/nxt_application.h
+++ b/src/nxt_application.h
@@ -203,6 +203,9 @@ NXT_EXPORT nxt_int_t nxt_app_msg_read_size(nxt_task_t *task,
struct nxt_app_module_s {
+ size_t compat_length;
+ uint32_t *compat;
+
nxt_str_t type;
nxt_str_t version;
diff --git a/src/nxt_go.c b/src/nxt_go.c
index 1c1961b2..28d681ee 100644
--- a/src/nxt_go.c
+++ b/src/nxt_go.c
@@ -14,6 +14,8 @@ static nxt_int_t nxt_go_run(nxt_task_t *task,
nxt_app_rmsg_t *rmsg, nxt_app_wmsg_t *msg);
nxt_application_module_t nxt_go_module = {
+ 0,
+ NULL,
nxt_string("go"),
nxt_string("go"),
nxt_go_init,
diff --git a/src/nxt_main.h b/src/nxt_main.h
index c7776c8b..15c56727 100644
--- a/src/nxt_main.h
+++ b/src/nxt_main.h
@@ -12,6 +12,7 @@
#define NXT_VERSION "0.1"
+#define NXT_VERNUM 0x00000001
typedef struct nxt_port_s nxt_port_t;
diff --git a/src/nxt_main_process.c b/src/nxt_main_process.c
index 110867ca..4043d026 100644
--- a/src/nxt_main_process.c
+++ b/src/nxt_main_process.c
@@ -1026,6 +1026,16 @@ nxt_app_lang_compare(const void *v1, const void *v2)
lang1 = v1;
lang2 = v2;
+ if (lang1->type.length != lang2->type.length) {
+ return lang1->type.length - lang2->type.length;
+ }
+
+ n = nxt_strncmp(lang1->type.start, lang2->type.start, lang1->type.length);
+
+ if (n != 0) {
+ return n;
+ }
+
length = nxt_min(lang1->version.length, lang2->version.length);
n = nxt_strncmp(lang1->version.start, lang2->version.start, length);
diff --git a/src/nxt_php_sapi.c b/src/nxt_php_sapi.c
index 1e1f4087..5655dcbc 100644
--- a/src/nxt_php_sapi.c
+++ b/src/nxt_php_sapi.c
@@ -167,8 +167,14 @@ nxt_php_str_trim_lead(nxt_str_t *str, u_char t)
}
}
+static uint32_t compat[] = {
+ NXT_VERNUM,
+};
+
NXT_EXPORT nxt_application_module_t nxt_app_module = {
+ sizeof(compat),
+ compat,
nxt_string("php"),
nxt_string(PHP_VERSION),
nxt_php_init,
diff --git a/src/nxt_python_wsgi.c b/src/nxt_python_wsgi.c
index f5c3ebae..fd718a95 100644
--- a/src/nxt_python_wsgi.c
+++ b/src/nxt_python_wsgi.c
@@ -91,7 +91,14 @@ nxt_inline nxt_int_t nxt_python_write_py_str(nxt_python_run_ctx_t *ctx,
PyObject *str, nxt_bool_t flush, nxt_bool_t last);
+static uint32_t compat[] = {
+ NXT_VERNUM,
+};
+
+
NXT_EXPORT nxt_application_module_t nxt_app_module = {
+ sizeof(compat),
+ compat,
nxt_string("python"),
nxt_string(PY_VERSION),
nxt_python_init,