295 lines
6.5 KiB
C
295 lines
6.5 KiB
C
/*
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* Copyright 2010 Stefan Lankes, Chair for Operating Systems,
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* RWTH Aachen University
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of MetalSVM.
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*/
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#include <metalsvm/stddef.h>
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#include <metalsvm/stdio.h>
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#include <metalsvm/time.h>
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#include <metalsvm/tasks.h>
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#include <metalsvm/semaphore.h>
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#include <metalsvm/mailbox.h>
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#include <metalsvm/syscall.h>
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#ifdef CONFIG_ROCKCREEK
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#include <asm/icc.h>
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#include <asm/RCCE_lib.h>
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#include <asm/RCCE.h>
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#include <asm/RCCE_lib.h>
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#include <asm/iRCCE.h>
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#include <asm/iRCCE_lib.h>
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#include <asm/SCC_API.h>
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#include <lwip/sockets.h>
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#endif
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static sem_t consuming, producing;
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static mailbox_int32_t mbox;
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static int val = 0;
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static int STDCALL consumer(void* arg)
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{
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int i, m = 0;
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for(i=0; i<5; i++) {
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sem_wait(&consuming);
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kprintf("Consumer got %d\n", val);
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val = 0;
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sem_post(&producing);
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}
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for(i=0; i<5; i++) {
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mailbox_int32_fetch(&mbox, &m);
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kprintf("Got mail %d\n", m);
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}
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return 0;
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}
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static int STDCALL producer(void* arg)
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{
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int i;
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int mail[5] = {1, 2, 3, 4, 5};
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for(i=0; i<5; i++) {
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sem_wait(&producing);
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kprintf("Produce value: current val %d\n", val);
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val = 42;
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sem_post(&consuming);
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}
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for(i=0; i<5; i++) {
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//kprintf("Send mail %d\n", mail[i]);
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mailbox_int32_post(&mbox, mail[i]);
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}
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return 0;
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}
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static int STDCALL foo(void* arg)
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{
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int i;
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if (!arg)
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return 0;
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for(i=0; i<5; i++) {
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kputs((char*) arg);
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sleep(1);
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}
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return 42;
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}
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#ifdef CONFIG_ROCKCREEK
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static int STDCALL ping(void* arg)
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{
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int i;
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for(i=0; i<20; i++) {
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icc_ping(1);
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HALT;
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}
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return 0;
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}
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#endif
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static int STDCALL join_test(void* arg)
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{
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tid_t id, ret;
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int result = -1234;
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create_kernel_task(&id, foo, "Hello from foo2\n");
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kprintf("Wait for child %u\n", id);
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do {
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ret = wait(&result);
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} while(ret != id);
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kprintf("Child %u finished: result = %d\n", id, result);
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return 0;
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}
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void ping_send_now();
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__inline int get_core_no(void)
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{
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unsigned int tmp;
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unsigned int pid;
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unsigned int x,y,z;
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/* Determine the local IP address from the core number in the
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* tile ID register
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*/
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tmp = ReadConfigReg(0xF8000000 + 0x100);
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x = (tmp>>3) & 0x0f; /* bits 06:03 */
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y = (tmp>>7) & 0x0f; /* bits 10:07 */
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z = (tmp ) & 0x07; /* bits 02:00 */
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pid = 12*y + 2*x + z;
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/* Add 1 to the processor ID to avoid *.*.*.0 IP addresses */
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return pid;
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}
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void* server_task(void* e)
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{
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int sockfd, newsockfd, portno, clilen;
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char buffer[256];
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struct sockaddr_in serv_addr, cli_addr;
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int n;
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/* First call to socket() function */
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sockfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
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if (sockfd < 0)
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{
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kprintf("ERROR opening socket");
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return;
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}
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/* Initialize socket structure */
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memset((char *) &serv_addr,0, sizeof(serv_addr));
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portno = 5001;
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serv_addr.sin_family = AF_INET;
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serv_addr.sin_addr.s_addr = INADDR_ANY;
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serv_addr.sin_port = htons(portno);
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kprintf("binding");
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/* Now bind the host address using bind() call.*/
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if (bind(sockfd, (struct sockaddr *) &serv_addr,
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sizeof(serv_addr)) < 0)
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{
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kprintf("ERROR on binding");
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return;
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}
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/* Now start listening for the clients, here process will
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* go in sleep mode and will wait for the incoming connection
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*/
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kprintf("listening");
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listen(sockfd,5);
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clilen = sizeof(cli_addr);
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/* Accept actual connection from the client */
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kprintf("accepting");
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newsockfd = accept(sockfd, (struct sockaddr *)&cli_addr,
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&clilen);
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if (newsockfd < 0)
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{
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kprintf("ERROR on accept");
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return;
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}
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/* If connection is established then start communicating */
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memset(buffer,0,256);
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kprintf("recieving");
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n = read( newsockfd,buffer,255 );
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if (n < 0)
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{
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kprintf("ERROR reading from socket");
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return;
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}
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kprintf("Here is the message: %s\n",buffer);
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/* Write a response to the client */
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kprintf("writing");
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n = write(newsockfd,"I got your message",18);
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if (n < 0)
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{
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kprintf("ERROR writing to socket");
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return;
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}
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return 0;
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}
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void* client_task(void* e)
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{
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char dir[256];
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int sd;
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struct sockaddr_in sin;
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struct sockaddr_in pin;
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struct hostent *hp;
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sleep(1);
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/* fill in the socket structure with host information */
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memset(&pin, 0, sizeof(pin));
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pin.sin_family = AF_INET;
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pin.sin_addr.s_addr = inet_addr("192.168.0.1");
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pin.sin_port = htons(5001);
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/* grab an Internet domain socket */
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if ((sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == -1) {
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kprintf("socketfail");
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return;
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}
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kprintf("connecting with socket nr : %d",sd);
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/* connect to PORT on HOST */
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if (connect(sd,(struct sockaddr *) &pin, sizeof(pin)) == -1) {
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kprintf("connectfail");
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return;
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}
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kprintf("sending");
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/* send a message to the server PORT on machine HOST */
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if (send(sd, "HELLO THERE", strlen("HELLO THERE"), 0) == -1) {
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kprintf("sendfail");
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return;
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}
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kprintf("recieving");
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/* wait for a message to come back from the server */
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if (recv(sd, dir, 256, 0) == -1) {
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kprintf("recvfail");
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return;
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}
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/* spew-out the results and bail out of here! */
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kprintf("%s\n", dir);
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close(sd);
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return NULL;
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}
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int test_init(void)
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{
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if (!get_core_no())
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create_kernel_task(NULL,server_task,NULL);
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else
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create_kernel_task(NULL,client_task,NULL);
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#if 0
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char* argv[] = {"/bin/tests", NULL};
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sem_init(&producing, 1);
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sem_init(&consuming, 0);
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mailbox_int32_init(&mbox);
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create_kernel_task(NULL, foo, "Hello from foo1\n");
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//create_kernel_task(NULL, join_test, NULL);
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//create_kernel_task(NULL, producer, NULL);
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//create_kernel_task(NULL, consumer, NULL);
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//create_kernel_task(NULL, ping, NULL);
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//create_user_task(NULL, "/bin/hello", argv);
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create_user_task(NULL, "/bin/tests", argv);
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//create_user_task(NULL, "/bin/jacobi", argv);
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//create_user_task(NULL, "/bin/jacobi", argv);
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#endif
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return 0;
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}
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