diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/buffer.c | 2 | ||||
| -rw-r--r-- | src/http.c | 5 | ||||
| -rw-r--r-- | src/main.c | 78 | ||||
| -rw-r--r-- | src/server.c | 160 | ||||
| -rw-r--r-- | src/util.c | 2 |
5 files changed, 167 insertions, 80 deletions
diff --git a/src/buffer.c b/src/buffer.c index 0759f5d..011d1b4 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -59,7 +59,7 @@ void buf_append(struct buffer *buf, const char *str) { void buf_printf(struct buffer *buf, char *fmt, ...) { va_list ap; - size_t len; + ssize_t len; va_start(ap, fmt); len = vsnprintf(buf->data, buf->size, fmt, ap); @@ -97,10 +97,7 @@ static enum parse_result parse_request(struct request *req, const char *request) line = strtok_r(copy, "\r\n", &saveptr); - path = malloc(strlen(line) + 1); - req->method = malloc(strlen(line) + 1); - - if (sscanf(line, "%s %s HTTP/%s", req->method, path, req->http_version) != 3) { + if (sscanf(line, "%ms %ms HTTP/%s", &req->method, &path, req->http_version) != 3) { free(copy); free(path); free(req->method); @@ -1,7 +1,5 @@ #include <stdio.h> #include <cjson/cJSON.h> -#include <sys/socket.h> -#include <netinet/in.h> #include <unistd.h> #include <stdlib.h> #include <stdbool.h> @@ -9,9 +7,11 @@ #include "buffer.h" #include "http.h" +#include "server.h" static struct reply *handle(struct request *req, void *data) { (void)data; + struct reply *ret = malloc(sizeof(struct reply)); cJSON *obj = cJSON_CreateObject(); cJSON_AddStringToObject(obj, "path", req->path); @@ -33,43 +33,6 @@ static struct reply *handle(struct request *req, void *data) { int main(int argc, char **argv) { (void)argc; (void)argv; - int server_fd = 0; - int client_fd = 0; - struct sockaddr_in addr = { - .sin_family = AF_INET, - .sin_addr.s_addr = INADDR_ANY, - .sin_port = htons(45748), - }; - - int addrlen = sizeof(addr); - - if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { - perror("socket failed"); - return EXIT_FAILURE; - } - - int opt = 1; - - if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { - perror("setsockopt failed"); - return EXIT_FAILURE; - } - - if (bind(server_fd, (struct sockaddr*)&addr, addrlen) < 0) { - perror("bind failed"); - return EXIT_FAILURE; - } - - if (listen(server_fd, 16) < 0) { - perror("listen failed"); - return EXIT_FAILURE; - } - - bool running = true; - ssize_t rlen; - char buf[1025]; - struct buffer *request, *reply; - struct reply *rpy; struct http *http = http_init(); @@ -77,40 +40,7 @@ int main(int argc, char **argv) { http_register_handler(http, "GET", "/nyaa", NULL, &handle); http_register_handler(http, "POST", "/nyaa", NULL, &handle); - while (running) { - if ((client_fd = accept(server_fd, - (struct sockaddr*)&addr, (socklen_t*)&addrlen)) < 0) { - perror("accept failed"); - return EXIT_FAILURE; - } - - if ((rlen = read(client_fd, buf, 1024)) < 0) { - perror("read failed"); - return EXIT_FAILURE; - } - - buf[rlen] = '\0'; - request = buf_new(buf); - - while (rlen >= 1024) { - if ((rlen = read(client_fd, buf, 1024)) < 0) { - perror("read failed"); - return EXIT_FAILURE; - } - buf[rlen] = '\0'; - buf_append(request, buf); - } - - printf("%s\n", request->data); + struct server *server = server_init(http); - rpy = http_handle_request(http, request); - reply = http_build_reply(rpy); - free(rpy); - - write(client_fd, reply->data, reply->size); - - buf_del(&request); - - close(client_fd); - } + server_poll(server); } diff --git a/src/server.c b/src/server.c new file mode 100644 index 0000000..66c1ac5 --- /dev/null +++ b/src/server.c @@ -0,0 +1,160 @@ +#include <assert.h> +#include <stdbool.h> +#include <pthread.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include "server.h" +#include "buffer.h" +#include "http.h" + +static bool enqueue(struct fd_queue *queue, int fd) { + if (queue->count == MAX_FD_QUEUE) { + return false; + } + + queue->queue[queue->back] = fd; + queue->count++; + queue->back = (queue->back + 1) % MAX_FD_QUEUE; + + return true; +} + +static int dequeue(struct fd_queue *queue) { + if (queue->count == 0) { + return -1; + } + + int fd = queue->queue[queue->front]; + queue->count--; + queue->front = (queue->front + 1) % MAX_FD_QUEUE; + + return fd; +} + +static void *handle_connection(void *data) { + assert(data); + struct thread_data *tdata = (struct thread_data*)data; + int fd = -1; + char buf[BUFSIZ + 1]; + ssize_t rlen; + struct buffer *request_buf, *reply_buf; + struct reply *reply; + + while(true) { + pthread_mutex_lock(&tdata->lock); + fd = dequeue(&tdata->queue); + if (fd == -1) { + pthread_cond_wait(&tdata->cond, &tdata->lock); + fd = dequeue(&tdata->queue); + } + pthread_mutex_unlock(&tdata->lock); + + printf("got fd %d\n", fd); + + if ((rlen = read(fd, buf, BUFSIZ)) < 0) { + perror("read failed"); + close(fd); + continue; + } + + buf[rlen] = '\0'; + request_buf = buf_new(buf); + + while (rlen >= BUFSIZ) { + if ((rlen = read(fd, buf, BUFSIZ)) < 0) { + perror("read failed"); + close(fd); + continue; + } + buf[rlen] = '\0'; + buf_append(request_buf, buf); + } + + reply = http_handle_request(tdata->http, request_buf); + reply_buf = http_build_reply(reply); + free(reply); + + write(fd, reply_buf->data, reply_buf->size); + + buf_del(&reply_buf); + buf_del(&request_buf); + + close(fd); + } +} + +struct server *server_init(struct http *http) { + struct server *server = malloc(sizeof(struct server)); + + server->server_fd = socket(AF_INET, SOCK_STREAM, 0); + if (server->server_fd < 0) { + perror("socket failure"); + return NULL; + } + + struct sockaddr_in addr = { + .sin_family = AF_INET, + .sin_addr.s_addr = INADDR_ANY, + .sin_port = htons(45748), + }; + + int addrlen = sizeof(addr); + int opt = 1; + + if (setsockopt(server->server_fd, SOL_SOCKET, SO_REUSEADDR, + &opt, sizeof(opt)) < 0) { + perror("setsockopt failed"); + return NULL; + } + + if (bind(server->server_fd, (struct sockaddr*)&addr, addrlen) < 0) { + perror("bind failed"); + return NULL; + } + + if (listen(server->server_fd, 16) < 0) { + perror("listen failed"); + return NULL; + } + + server->addr = addr; + server->addrlen = addrlen; + server->thread_pool_size = THREAD_POOL_NUM; + server->data.http = http; + server->pool = calloc(server->thread_pool_size, sizeof(pthread_t)); + pthread_mutex_init(&server->data.lock, NULL); + pthread_cond_init(&server->data.cond, NULL); + server->data.queue.back = -1; + server->data.queue.front = -1; + server->data.queue.count = 0; + + for (size_t i = 0; i < server->thread_pool_size; i++) { + pthread_create(&server->pool[i], NULL, handle_connection, &server->data); + } + + return server; +} + +void server_poll(struct server *server) { + int client_fd; + + while (true) { + if ((client_fd = accept(server->server_fd, (struct sockaddr*)&server->addr, + (socklen_t*)&server->addrlen)) < 0) { + perror("accept failed"); + return; + } + + printf("connection accepted on fd %d\n", client_fd); + + pthread_mutex_lock(&server->data.lock); + enqueue(&server->data.queue, client_fd); + pthread_cond_signal(&server->data.cond); + pthread_mutex_unlock(&server->data.lock); + + } +} @@ -8,7 +8,7 @@ int vasprintf(char **dest, const char *fmt, va_list ap) { assert(*dest == NULL); - char *buf = NULL; size_t len, size; + char *buf = NULL; ssize_t len, size; va_list ap2; size = 4096; |