#include "usg_common.h"
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#include "netdisk.h"
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#include "safe_queue.h"
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#include "login_store.h"
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#include "request_handler.h"
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#include "properties_config.h"
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#include <jsoncpp/json/json.h>
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#include <nng/nng.h>
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#include <nng/protocol/reqrep0/rep.h>
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#include <nng/protocol/reqrep0/req.h>
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using namespace std;
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int work(Netdisk_DownloadRequest drequest);
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PropertiesConfig config("../data/config.txt");
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int WORKERS ;
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std::string localUrl;
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std::string remoteUrl;
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SafeQueue<Netdisk_DownloadRequest> task_queue(10);
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std::map<std::string, Netdisk *> userDeviceMap;
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LoginStore loginStore;
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std::map<std::string, RequestHandleFun> requestHandleFunMap;
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static inline void fatal(const char *func, int rv)
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{
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fprintf(stderr, "%s: %s\n", func, nng_strerror(rv));
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//exit(1);
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}
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int connectAndSend(const char *url, char * str) {
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nng_socket sock;
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int rv;
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size_t sz;
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char *buf;
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if ((rv = nng_req0_open(&sock)) != 0) {
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fatal("nng_socket", rv);
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}
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if ((rv = nng_dial(sock, url, NULL, 0)) != 0) {
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fatal("nng_dial", rv);
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}
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// printf("CLIENT: SENDING DATE REQUEST\n");
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if ((rv = nng_send(sock, str, strlen(str), 0)) != 0) {
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fatal("nng_send", rv);
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}
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if ((rv = nng_recv(sock, &buf, &sz, NNG_FLAG_ALLOC)) != 0) {
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fatal("nng_recv", rv);
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}
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std::cout << buf;
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nng_free(buf, sz);
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nng_close(sock);
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return 0;
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}
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void *worker(void *vargp)
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{
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pthread_detach(pthread_self());
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while (1)
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{
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Netdisk_DownloadRequest request;
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task_queue.pop(request);
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work(request);
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}
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}
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int work(Netdisk_DownloadRequest drequest) {
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Netdisk *netdisk = NULL;
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int rv;
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std::map<std::string, Netdisk *>::iterator userDeviceIter = userDeviceMap.find( drequest.loginUUID);
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if( userDeviceIter != userDeviceMap.end() ) {
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netdisk = userDeviceIter->second;
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}
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Netdisk_LoginInfo loginInfo = loginStore.getLoginInfo(drequest.loginUUID);
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if (netdisk == NULL) {
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if(loginInfo.deviceType == "HC") {
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// std::cout << "new HCNetdisk" << std::endl;
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netdisk = new HCNetdisk();
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userDeviceMap.insert({loginInfo.loginUUID, netdisk});
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} else {
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err_msg(0, "无法识别的设备类型： %s", loginInfo.deviceType.c_str());
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}
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}
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if ( (rv = netdisk->login(loginInfo)) != 0 ) {
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printf("下载登录失败\n");
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}
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std::vector<std::string> files;
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if ( (rv = netdisk->downloadByTime(drequest, &files) ) != 0) {
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printf("下载失败\n");
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}
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Json::Value response;
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Json::Value payload;
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response["rv"] = rv;
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Json::Value filelist;
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for(std::string f : files) {
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filelist.append(f);
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}
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payload["filelist"] = filelist;
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response["payload"] = payload;
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std::string str = response.toStyledString();
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std::cout << "download finished, call back" << std::endl;
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std::cout << str << std::endl;
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connectAndSend(remoteUrl.c_str(), strdup(str.c_str()) );
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return 0;
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}
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void startServer(const char *url) {
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Json::Reader jsonreader;
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Json::Value request;
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nng_socket sock;
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int rv;
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RequestHandleFun handleFun;
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if ((rv = nng_rep0_open(&sock)) != 0) {
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fatal("nng_rep0_open", rv);
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}
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if ((rv = nng_listen(sock, url, NULL, 0)) != 0) {
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printf("url=%s\n", url);
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fatal("nng_listen", rv);
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}
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for (;;) {
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char * buf = NULL;
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size_t sz;
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if ((rv = nng_recv(sock, &buf, &sz, NNG_FLAG_ALLOC)) != 0) {
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fatal("nng_recv", rv);
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}
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jsonreader.parse(buf, request);
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std::string method = request["method"].asString();
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std::map<std::string, RequestHandleFun>::iterator handleFunIter = requestHandleFunMap.find(method);
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if( handleFunIter != requestHandleFunMap.end() ) {
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handleFun = handleFunIter->second;
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handleFun(sock, request);
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} else {
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std::cerr << "Don't support " << method << std::endl;
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}
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// if (method == "login") {
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// handleLogin(sock, request);
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// } else if (method == "downloadByTime") {
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// handleDownloadByTimeAsync(sock, request);
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// } else {
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// std::cerr << "Don't support " << method << std::endl;
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// }
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// Unrecognized command, so toss the buffer.
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nng_free(buf, sz);
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}
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}
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void registRequestHandleFun() {
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requestHandleFunMap.insert({"login", handleLogin});
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requestHandleFunMap.insert({"downloadByTime", handleDownloadByTimeAsync});
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}
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void initThreadPool() {
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pthread_t tid;
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for (int i = 0; i < WORKERS; i++)
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pthread_create(&tid, NULL, worker, NULL);
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}
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int main()
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{
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Netdisk_EnvConfig hcEnvConfig;
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hcEnvConfig.libpath = config.get("hclib");
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HCNetdisk::netdisk_init(&hcEnvConfig);
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WORKERS = config.getInt("workers");
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localUrl = config.get("local_url");
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remoteUrl = config.get("remote_url");
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registRequestHandleFun();
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initThreadPool();
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startServer(localUrl.c_str());
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HCNetdisk::netdisk_deinit();
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}
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