support http api json, to PUT/POST, to 0.9.103

@@ -184,6 +184,14 @@ string SrsConfDirective::arg2()
     return "";
 }
 
+void SrsConfDirective::set_arg0(string value)
+{
+    if (args.size() > 0) {
+        args[0] = value;
+    }
+    args.push_back(value);
+}
+
 SrsConfDirective* SrsConfDirective::at(int index)
 {
     return directives.at(index);
@@ -529,39 +537,24 @@ int SrsConfig::reload()
     
     // merge config: srs_log_tank
     if (!srs_directive_equals(root->get("srs_log_tank"), old_root->get("srs_log_tank"))) {
-        for (it = subscribes.begin(); it != subscribes.end(); ++it) {
-            ISrsReloadHandler* subscribe = *it;
-            if ((ret = subscribe->on_reload_log_tank()) != ERROR_SUCCESS) {
-                srs_error("notify subscribes reload srs_log_tank failed. ret=%d", ret);
+        if ((ret = force_reload_log_tank()) != ERROR_SUCCESS) {
             return ret;
         }
     }
-        srs_trace("reload srs_log_tank success.");
-    }
     
     // merge config: srs_log_level
     if (!srs_directive_equals(root->get("srs_log_level"), old_root->get("srs_log_level"))) {
-        for (it = subscribes.begin(); it != subscribes.end(); ++it) {
-            ISrsReloadHandler* subscribe = *it;
-            if ((ret = subscribe->on_reload_log_level()) != ERROR_SUCCESS) {
-                srs_error("notify subscribes reload srs_log_level failed. ret=%d", ret);
+        if ((ret = force_reload_log_level()) != ERROR_SUCCESS) {
             return ret;
         }
     }
-        srs_trace("reload srs_log_level success.");
-    }
     
     // merge config: srs_log_file
     if (!srs_directive_equals(root->get("srs_log_file"), old_root->get("srs_log_file"))) {
-        for (it = subscribes.begin(); it != subscribes.end(); ++it) {
-            ISrsReloadHandler* subscribe = *it;
-            if ((ret = subscribe->on_reload_log_file()) != ERROR_SUCCESS) {
-                srs_error("notify subscribes reload srs_log_file failed. ret=%d", ret);
+        if ((ret = force_reload_log_file()) != ERROR_SUCCESS) {
             return ret;
         }
     }
-        srs_trace("reload srs_log_file success.");
-    }
     
     // merge config: pithy_print
     if (!srs_directive_equals(root->get("pithy_print"), old_root->get("pithy_print"))) {
@@ -593,6 +586,117 @@ int SrsConfig::reload()
     return ret;
 }
 
+SrsConfDirective* SrsConfig::get_or_create(SrsConfDirective* node, string name)
+{
+    srs_assert(node);
+    
+    SrsConfDirective* conf = node->get(name);
+    
+    if (!conf) {
+        conf = new SrsConfDirective();
+        conf->name = name;
+        node->directives.push_back(conf);
+    }
+    
+    return conf;
+}
+
+bool SrsConfig::set_log_file(string file)
+{
+    if (file == get_log_file()) {
+        return false;
+    }
+    
+    SrsConfDirective* conf = get_or_create(root, "srs_log_file");
+    srs_assert(conf);
+    conf->set_arg0(file);
+    
+    return true;
+}
+
+bool SrsConfig::set_log_tank(string tank)
+{
+    if (get_log_tank_file() && tank != "console") {
+        return false;
+    }
+    if (!get_log_tank_file() && tank == "console") {
+        return false;
+    }
+    
+    SrsConfDirective* conf = get_or_create(root, "srs_log_tank");
+    srs_assert(conf);
+    conf->set_arg0(tank);
+    
+    return true;
+}
+
+bool SrsConfig::set_log_level(string level)
+{
+    if (level == get_log_level()) {
+        return false;
+    }
+    
+    SrsConfDirective* conf = get_or_create(root, "srs_log_level");
+    srs_assert(conf);
+    conf->set_arg0(level);
+    
+    return true;
+}
+
+int SrsConfig::force_reload_log_file()
+{
+    int ret = ERROR_SUCCESS;
+    
+    std::vector<ISrsReloadHandler*>::iterator it;
+    
+    for (it = subscribes.begin(); it != subscribes.end(); ++it) {
+        ISrsReloadHandler* subscribe = *it;
+        if ((ret = subscribe->on_reload_log_file()) != ERROR_SUCCESS) {
+            srs_error("notify subscribes reload srs_log_file failed. ret=%d", ret);
+            return ret;
+        }
+    }
+    srs_trace("reload srs_log_file success.");
+    
+    return ret;
+}
+
+int SrsConfig::force_reload_log_tank()
+{
+    int ret = ERROR_SUCCESS;
+    
+    std::vector<ISrsReloadHandler*>::iterator it;
+    
+    for (it = subscribes.begin(); it != subscribes.end(); ++it) {
+        ISrsReloadHandler* subscribe = *it;
+        if ((ret = subscribe->on_reload_log_tank()) != ERROR_SUCCESS) {
+            srs_error("notify subscribes reload srs_log_tank failed. ret=%d", ret);
+            return ret;
+        }
+    }
+    srs_trace("reload srs_log_tank success.");
+    
+    return ret;
+}
+
+int SrsConfig::force_reload_log_level()
+{
+    int ret = ERROR_SUCCESS;
+    
+    std::vector<ISrsReloadHandler*>::iterator it;
+    
+    for (it = subscribes.begin(); it != subscribes.end(); ++it) {
+        ISrsReloadHandler* subscribe = *it;
+        if ((ret = subscribe->on_reload_log_level()) != ERROR_SUCCESS) {
+            srs_error("notify subscribes reload srs_log_level failed. ret=%d", ret);
+            return ret;
+        }
+    }
+    srs_trace("reload srs_log_level success.");
+    
+    return ret;
+}
+
 int SrsConfig::reload_http_api(SrsConfDirective* old_root)
 {
     int ret = ERROR_SUCCESS;
@@ -1171,13 +1275,13 @@ int SrsConfig::parse_file(const char* filename)
     // TODO: check pid.
     
     // check log
-    std::string log_filename = this->get_srs_log_file();
-    if (get_srs_log_tank_file() && log_filename.empty()) {
+    std::string log_filename = this->get_log_file();
+    if (get_log_tank_file() && log_filename.empty()) {
         ret = ERROR_SYSTEM_CONFIG_INVALID;
         srs_error("must specifies the file to write log to. ret=%d", ret);
         return ret;
     }
-    if (get_srs_log_tank_file()) {
+    if (get_log_tank_file()) {
         srs_trace("write log to file %s", log_filename.c_str());
         srs_trace("you can: tailf %s", log_filename.c_str());
         srs_trace("@see: %s", SRS_WIKI_URL_LOG);
@@ -2293,7 +2397,7 @@ string SrsConfig::get_ingest_input_url(SrsConfDirective* ingest)
     return conf->arg0();
 }
 
-string SrsConfig::get_srs_log_file()
+string SrsConfig::get_log_file()
 {
     srs_assert(root);
     
@@ -2317,7 +2421,7 @@ string SrsConfig::get_ffmpeg_log_dir()
     return conf->arg0();
 }
 
-string SrsConfig::get_srs_log_level()
+string SrsConfig::get_log_level()
 {
     srs_assert(root);
     
@@ -2329,7 +2433,7 @@ string SrsConfig::get_srs_log_level()
     return conf->arg0();
 }
 
-bool SrsConfig::get_srs_log_tank_file()
+bool SrsConfig::get_log_tank_file()
 {
     srs_assert(root);
     

@@ -96,6 +96,7 @@ public:
     std::string arg0();
     std::string arg1(); 
     std::string arg2();
+    void set_arg0(std::string value);
     SrsConfDirective* at(int index);
     SrsConfDirective* get(std::string _name);
     SrsConfDirective* get(std::string _name, std::string _arg0);
@@ -136,6 +137,20 @@ public:
     virtual void unsubscribe(ISrsReloadHandler* handler);
     virtual int reload();
 private:
+    virtual SrsConfDirective* get_or_create(SrsConfDirective* node, std::string name);
+public:
+    /**
+    * dynamic set the config, for instance, for http api to set,
+    * @return ture if config changed and need to reload.
+    */
+    virtual bool set_log_file(std::string file);
+    virtual bool set_log_tank(std::string tank);
+    virtual bool set_log_level(std::string level);
+public:
+    virtual int force_reload_log_file();
+    virtual int force_reload_log_tank();
+    virtual int force_reload_log_level();
+private:
     virtual int reload_http_api(SrsConfDirective* old_root);
     virtual int reload_http_stream(SrsConfDirective* old_root);
     virtual int reload_vhost(SrsConfDirective* old_root);
@@ -231,9 +246,9 @@ public:
     virtual std::string         get_ingest_input_url(SrsConfDirective* ingest);
 // log section
 public:
-    virtual bool                get_srs_log_tank_file();
-    virtual std::string         get_srs_log_level();
-    virtual std::string         get_srs_log_file();
+    virtual bool                get_log_tank_file();
+    virtual std::string         get_log_level();
+    virtual std::string         get_log_file();
     virtual std::string         get_ffmpeg_log_dir();
 // hls section
 private:

@@ -134,6 +134,17 @@ int SrsHttpHandler::do_process_request(SrsSocket* /*skt*/, SrsHttpMessage* /*req
     return ret;
 }
 
+int SrsHttpHandler::response_error(SrsSocket* skt, SrsHttpMessage* req, int code, string desc)
+{
+    std::stringstream ss;
+    ss << JOBJECT_START
+        << JFIELD_ERROR(code) << JFIELD_CONT
+        << JFIELD_STR("desc", desc)
+        << JOBJECT_END;
+    
+    return res_json(skt, req, ss.str());
+}
+
 int SrsHttpHandler::best_match(const char* path, int length, SrsHttpHandlerMatch** ppmatch)
 {
     int ret = ERROR_SUCCESS;
@@ -566,6 +577,26 @@ u_int8_t SrsHttpMessage::method()
     return (u_int8_t)_header.method;
 }
 
+bool SrsHttpMessage::is_http_get()
+{
+    return _header.method == HTTP_GET;
+}
+
+bool SrsHttpMessage::is_http_put()
+{
+    return _header.method == HTTP_PUT;
+}
+
+bool SrsHttpMessage::is_http_post()
+{
+    return _header.method == HTTP_POST;
+}
+
+bool SrsHttpMessage::is_http_delete()
+{
+    return _header.method == HTTP_DELETE;
+}
+
 string SrsHttpMessage::url()
 {
     return _uri->get_url();
@@ -592,6 +623,15 @@ string SrsHttpMessage::body()
     return b;
 }
 
+char* SrsHttpMessage::body_raw()
+{
+    if (_body && !_body->empty()) {
+        return _body->bytes();
+    }
+    
+    return NULL;
+}
+
 int64_t SrsHttpMessage::body_size()
 {
     return (int64_t)_body->size();

@@ -228,9 +228,15 @@ protected:
     */
     virtual bool is_handler_valid(SrsHttpMessage* req, int& status_code, std::string& reason_phrase);
     /**
-    * do the actual process of request.
+    * do the actual process of request., format as, for example:
+    * {"code":0, "data":{}}
     */
     virtual int do_process_request(SrsSocket* skt, SrsHttpMessage* req);
+    /**
+    * response error, format as, for example:
+    * {"code":100, "desc":"description"}
+    */
+    virtual int response_error(SrsSocket* skt, SrsHttpMessage* req, int code, std::string desc);
 // response writer
 public:
     virtual SrsHttpHandler* res_status_line(std::stringstream& ss);
@@ -327,10 +333,15 @@ public:
 public:
     virtual bool is_complete();
     virtual u_int8_t method();
+    virtual bool is_http_get();
+    virtual bool is_http_put();
+    virtual bool is_http_post();
+    virtual bool is_http_delete();
     virtual std::string url();
     virtual std::string path();
     virtual std::string query();
     virtual std::string body();
+    virtual char* body_raw();
     virtual int64_t body_size();
     virtual int64_t content_length();
     virtual SrsHttpHandlerMatch* match();

@@ -123,6 +123,7 @@ SrsApiV1::SrsApiV1()
     handlers.push_back(new SrsApiSystemProcStats());
     handlers.push_back(new SrsApiMemInfos());
     handlers.push_back(new SrsApiAuthors());
+    handlers.push_back(new SrsApiConfigs());
 }
 
 SrsApiV1::~SrsApiV1()
@@ -147,6 +148,7 @@ int SrsApiV1::do_process_request(SrsSocket* skt, SrsHttpMessage* req)
             << JFIELD_STR("self_proc_stats", "the self process stats") << JFIELD_CONT
             << JFIELD_STR("system_proc_stats", "the system process stats") << JFIELD_CONT
             << JFIELD_STR("meminfos", "the meminfo of system") << JFIELD_CONT
+            << JFIELD_STR("configs", "to query or modify the config of srs") << JFIELD_CONT
             << JFIELD_STR("authors", "the primary authors and contributors")
         << JOBJECT_END
         << JOBJECT_END;
@@ -154,6 +156,107 @@ int SrsApiV1::do_process_request(SrsSocket* skt, SrsHttpMessage* req)
     return res_json(skt, req, ss.str());
 }
 
+SrsApiConfigs::SrsApiConfigs()
+{
+    handlers.push_back(new SrsApiConfigsLogs());
+}
+
+SrsApiConfigs::~SrsApiConfigs()
+{
+}
+
+bool SrsApiConfigs::can_handle(const char* path, int length, const char** /*pchild*/)
+{
+    return srs_path_equals("/configs", path, length);
+}
+
+int SrsApiConfigs::do_process_request(SrsSocket* skt, SrsHttpMessage* req)
+{
+    std::stringstream ss;
+    
+    ss << JOBJECT_START
+        << JFIELD_ERROR(ERROR_SUCCESS) << JFIELD_CONT
+        << JFIELD_ORG("urls", JOBJECT_START)
+            << JFIELD_STR("logs", "the log level, tank and path")
+        << JOBJECT_END
+        << JOBJECT_END;
+    
+    return res_json(skt, req, ss.str());
+}
+
+SrsApiConfigsLogs::SrsApiConfigsLogs()
+{
+}
+
+SrsApiConfigsLogs::~SrsApiConfigsLogs()
+{
+}
+
+bool SrsApiConfigsLogs::can_handle(const char* path, int length, const char** /*pchild*/)
+{
+    return srs_path_equals("/logs", path, length);
+}
+
+bool SrsApiConfigsLogs::is_handler_valid(SrsHttpMessage* req, int& status_code, string& reason_phrase) 
+{
+    if (!req->is_http_get() && !req->is_http_put()) {
+        status_code = HTTP_MethodNotAllowed;
+        reason_phrase = HTTP_MethodNotAllowed_str;
+        
+        return false;
+    }
+    
+    return SrsHttpHandler::is_handler_valid(req, status_code, reason_phrase);
+}
+
+int SrsApiConfigsLogs::do_process_request(SrsSocket* skt, SrsHttpMessage* req)
+{
+    int ret = ERROR_SUCCESS;
+    
+    if (req->is_http_put()) {
+        srs_trace("http api PUT logs, req is: %s", req->body().c_str());
+        
+        SrsJsonAny* json = SrsJsonAny::loads(req->body_raw());
+        SrsAutoFree(SrsJsonAny, json);
+        
+        if (json->is_object()) {
+            SrsJsonObject* o = json->to_object();
+            SrsJsonAny* prop = NULL;
+            if ((prop = o->ensure_property_string("file")) != NULL && _srs_config->set_log_file(prop->to_str())) {
+                if ((ret = _srs_config->force_reload_log_file()) != ERROR_SUCCESS) {
+                    return response_error(skt, req, ret, "reload log file failed");
+                }
+                srs_warn("http api reload log file to %s", prop->to_str().c_str());
+            }
+            if ((prop = o->ensure_property_string("tank")) != NULL && _srs_config->set_log_tank(prop->to_str())) {
+                if ((ret = _srs_config->force_reload_log_tank()) != ERROR_SUCCESS) {
+                    return response_error(skt, req, ret, "reload log tank failed");
+                }
+                srs_warn("http api reload log tank to %s", prop->to_str().c_str());
+            }
+            if ((prop = o->ensure_property_string("level")) != NULL && _srs_config->set_log_level(prop->to_str())) {
+                if ((ret = _srs_config->force_reload_log_level()) != ERROR_SUCCESS) {
+                    return response_error(skt, req, ret, "reload log level failed");
+                }
+                srs_warn("http api reload log level to %s", prop->to_str().c_str());
+            }
+        }
+    }
+    
+    std::stringstream ss;
+    ss << JOBJECT_START
+        << JFIELD_ERROR(ERROR_SUCCESS) << JFIELD_CONT
+        << JFIELD_ORG("data", JOBJECT_START)
+            << JFIELD_STR("tank", (_srs_config->get_log_tank_file()? "file":"console")) << JFIELD_CONT
+            << JFIELD_STR("level", _srs_config->get_log_level()) << JFIELD_CONT
+            << JFIELD_STR("cwd", _srs_config->cwd()) << JFIELD_CONT
+            << JFIELD_STR("file", _srs_config->get_log_file())
+        << JOBJECT_END
+        << JOBJECT_END;
+    
+    return res_json(skt, req, ss.str());
+}
+
 SrsApiVersion::SrsApiVersion()
 {
 }

@@ -76,6 +76,29 @@ protected:
     virtual int do_process_request(SrsSocket* skt, SrsHttpMessage* req);
 };
 
+class SrsApiConfigs : public SrsHttpHandler
+{
+public:
+    SrsApiConfigs();
+    virtual ~SrsApiConfigs();
+public:
+    virtual bool can_handle(const char* path, int length, const char** pchild);
+protected:
+    virtual int do_process_request(SrsSocket* skt, SrsHttpMessage* req);
+};
+
+class SrsApiConfigsLogs : public SrsHttpHandler
+{
+public:
+    SrsApiConfigsLogs();
+    virtual ~SrsApiConfigsLogs();
+public:
+    virtual bool can_handle(const char* path, int length, const char** pchild);
+protected:
+    virtual bool is_handler_valid(SrsHttpMessage* req, int& status_code, std::string& reason_phrase);
+    virtual int do_process_request(SrsSocket* skt, SrsHttpMessage* req);
+};
+
 class SrsApiVersion : public SrsHttpHandler
 {
 public:

@@ -343,7 +343,10 @@ SrsJsonAny* srs_json_parse_tree_nx_json(const nx_json* node)
 
 SrsJsonAny* SrsJsonAny::loads(char* str)
 {
-    srs_assert(str);
+    if (!str) {
+        return NULL;
+    }
+    
     if (strlen(str) == 0) {
         return NULL;
     }
@@ -430,6 +433,21 @@ SrsJsonAny* SrsJsonObject::get_property(string name)
     return NULL;
 }
 
+SrsJsonAny* SrsJsonObject::ensure_property_string(string name)
+{
+    SrsJsonAny* prop = get_property(name);
+    
+    if (!prop) {
+        return NULL;
+    }
+    
+    if (!prop->is_string()) {
+        return NULL;
+    }
+    
+    return prop;
+}
+
 SrsJsonArray::SrsJsonArray()
 {
     marker = SRS_JSON_Array;

@@ -147,6 +147,7 @@ public:
 public:
     virtual void set(std::string key, SrsJsonAny* value);
     virtual SrsJsonAny* get_property(std::string name);
+    virtual SrsJsonAny* ensure_property_string(std::string name);
 };
 
 class SrsJsonArray : public SrsJsonAny

@@ -88,8 +88,8 @@ int SrsFastLog::initialize()
     
     _srs_config->subscribe(this);
 
-    log_to_file_tank = _srs_config->get_srs_log_tank_file();
-    _level = srs_get_log_level(_srs_config->get_srs_log_level());
+    log_to_file_tank = _srs_config->get_log_tank_file();
+    _level = srs_get_log_level(_srs_config->get_log_level());
     
     return ret;
 }
@@ -202,7 +202,7 @@ int SrsFastLog::on_reload_log_tank()
     int ret = ERROR_SUCCESS;
 
     bool tank = log_to_file_tank;
-    log_to_file_tank = _srs_config->get_srs_log_tank_file();
+    log_to_file_tank = _srs_config->get_log_tank_file();
 
     if (tank) {
         return ret;
@@ -224,7 +224,7 @@ int SrsFastLog::on_reload_log_level()
 {
     int ret = ERROR_SUCCESS;
     
-    _level = srs_get_log_level(_srs_config->get_srs_log_level());
+    _level = srs_get_log_level(_srs_config->get_log_level());
     
     return ret;
 }
@@ -340,7 +340,7 @@ void SrsFastLog::write_log(int& fd, char *str_log, int size, int level)
 
 void SrsFastLog::open_log_file()
 {
-    std::string filename = _srs_config->get_srs_log_file();
+    std::string filename = _srs_config->get_log_file();
     
     if (filename.empty()) {
         return;

@@ -31,15 +31,15 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 int srs_get_log_level(std::string level)
 {
-    if ("verbose" == _srs_config->get_srs_log_level()) {
+    if ("verbose" == _srs_config->get_log_level()) {
         return SrsLogLevel::Verbose;
-    } else if ("info" == _srs_config->get_srs_log_level()) {
+    } else if ("info" == _srs_config->get_log_level()) {
         return SrsLogLevel::Info;
-    } else if ("trace" == _srs_config->get_srs_log_level()) {
+    } else if ("trace" == _srs_config->get_log_level()) {
         return SrsLogLevel::Trace;
-    } else if ("warn" == _srs_config->get_srs_log_level()) {
+    } else if ("warn" == _srs_config->get_log_level()) {
         return SrsLogLevel::Warn;
-    } else if ("error" == _srs_config->get_srs_log_level()) {
+    } else if ("error" == _srs_config->get_log_level()) {
         return SrsLogLevel::Error;
     } else {
         return SrsLogLevel::Trace;

@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR "0"
 #define VERSION_MINOR "9"
-#define VERSION_REVISION "102"
+#define VERSION_REVISION "103"
 #define RTMP_SIG_SRS_VERSION VERSION_MAJOR"."VERSION_MINOR"."VERSION_REVISION
 // server info.
 #define RTMP_SIG_SRS_KEY "srs"