forked from Telodendria/Telodendria
Implement basic thread pool with dummy 500 messages.
This commit is contained in:
parent
f950233dbc
commit
9378a4d369
1 changed files with 107 additions and 14 deletions
121
src/HttpServer.c
121
src/HttpServer.c
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@ -25,6 +25,8 @@
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#include <HttpServer.h>
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#include <Queue.h>
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#include <Array.h>
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#include <Util.h>
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#include <pthread.h>
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#include <stdio.h>
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@ -52,6 +54,8 @@ struct HttpServer
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Queue *connQueue;
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pthread_mutex_t connQueueMutex;
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Array *threadPool;
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};
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static int
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@ -107,26 +111,34 @@ HttpServerCreate(unsigned short port, unsigned int nThreads, unsigned int maxCon
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return NULL;
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}
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server = malloc(sizeof(HttpServer));
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server = calloc(1, sizeof(HttpServer));
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if (!server)
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{
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return NULL;
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goto error;
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}
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server->threadPool = ArrayCreate();
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if (!server->threadPool)
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{
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goto error;
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}
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server->connQueue = QueueCreate(maxConnections);
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if (!server->connQueue)
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{
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free(server);
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return NULL;
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goto error;
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}
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if (pthread_mutex_init(&server->connQueueMutex, NULL) != 0)
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{
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goto error;
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}
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pthread_mutex_init(&server->connQueueMutex, NULL);
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server->sd = socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK, 0);
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if (server->sd < 0)
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{
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free(server);
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return NULL;
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goto error;
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}
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sa.sin_family = AF_INET;
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@ -135,16 +147,12 @@ HttpServerCreate(unsigned short port, unsigned int nThreads, unsigned int maxCon
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if (bind(server->sd, (struct sockaddr *) & sa, sizeof(sa)) < 0)
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{
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close(server->sd);
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free(server);
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return NULL;
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goto error;
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}
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if (listen(server->sd, maxConnections) < 0)
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{
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close(server->sd);
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free(server);
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return NULL;
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goto error;
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}
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server->nThreads = nThreads;
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@ -155,6 +163,33 @@ HttpServerCreate(unsigned short port, unsigned int nThreads, unsigned int maxCon
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server->isRunning = 0;
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return server;
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error:
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if (server)
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{
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if (server->connQueue)
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{
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QueueFree(server->connQueue);
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}
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if (server->connQueueMutex)
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{
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pthread_mutex_destroy(&server->connQueueMutex);
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}
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if (server->threadPool)
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{
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ArrayFree(server->threadPool);
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}
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if (server->sd)
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{
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close(server->sd);
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}
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free(server);
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}
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return NULL;
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}
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void
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@ -168,15 +203,46 @@ HttpServerFree(HttpServer * server)
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close(server->sd);
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QueueFree(server->connQueue);
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pthread_mutex_destroy(&server->connQueueMutex);
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ArrayFree(server->threadPool);
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free(server);
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}
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static void *
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HttpServerWorkerThread(void *args)
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{
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HttpServer *server = (HttpServer *) args;
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while (!server->stop)
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{
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FILE *fp = DequeueConnection(server);
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if (!fp)
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{
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/* Block for 1 millisecond before continuting so we don't
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* murder the CPU */
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UtilSleepMillis(1);
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continue;
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}
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fprintf(fp, "HTTP/1.1 500 Internal Server Error\n");
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fprintf(fp, "Server: Telodendria v" TELODENDRIA_VERSION "\n");
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fprintf(fp, "Content-Type: application/json\n");
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fprintf(fp, "\n");
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fprintf(fp, "{}\n");
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fclose(fp);
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}
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return NULL;
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}
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static void *
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HttpServerEventThread(void *args)
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{
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HttpServer *server = (HttpServer *) args;
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struct pollfd pollFds[1];
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FILE *fp;
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size_t i;
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server->isRunning = 1;
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server->stop = 0;
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@ -184,6 +250,27 @@ HttpServerEventThread(void *args)
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pollFds[0].fd = server->sd;
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pollFds[0].events = POLLIN;
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for (i = 0; i < server->nThreads; i++)
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{
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pthread_t *workerThread = malloc(sizeof(pthread_t));
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if (!workerThread)
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{
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/* TODO: Make the event thread return an error to the main
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* thread */
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return NULL;
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}
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if (pthread_create(workerThread, NULL, HttpServerWorkerThread, server) != 0)
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{
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/* TODO: Make the event thread return an error to the main
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* thread */
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return NULL;
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}
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ArrayAdd(server->threadPool, workerThread);
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}
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while (!server->stop)
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{
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struct sockaddr_storage addr;
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@ -209,7 +296,13 @@ HttpServerEventThread(void *args)
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QueueConnection(server, connFd);
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}
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/* Wait on all threads in the thread pool */
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for (i = 0; i < server->nThreads; i++)
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{
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pthread_t *workerThread = ArrayGet(server->threadPool, i);
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pthread_join(*workerThread, NULL);
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free(workerThread);
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}
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while ((fp = DequeueConnection(server)))
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{
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