83 lines
1.7 KiB
C
83 lines
1.7 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include "misc.h"
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#include "net.h"
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#define MODE_SERVER 0
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#define MODE_CLIENT 1
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int parseArgs(struct prog_info *pinfo, int argc, char **argv) {
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pinfo->mode = MODE_SERVER;
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pinfo->client_num = 1;
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pinfo->port = 4711;
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if (argc <= 1) {
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printf("usage: %s [-s|-c <num>] [-p <port>]\n", argv[0]);
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return -1;
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}
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int i;
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for (i=1; i<argc; i++) {
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if (strncmp(argv[i], "-s", 2) == 0) {
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pinfo->mode = MODE_SERVER;
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continue;
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}
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if (strncmp(argv[i], "-c", 2) == 0) {
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pinfo->mode = MODE_CLIENT;
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if (argc <= i+1) {
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printf("client number not specified\n");
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return -2;
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}
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pinfo->client_num = (int)strtol(argv[++i], NULL, 10);
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if (pinfo->client_num <= 0) {
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printf("invalid client number!\n");
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return -3;
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}
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continue;
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}
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if (strncmp(argv[i], "-p", 2) == 0) {
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if (argc <= i+1) {
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printf("port not specified\n");
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return -4;
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}
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pinfo->port = (int)strtol(argv[++i], NULL, 10);
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if (pinfo->port <= 0 || 65536 <= pinfo->port) {
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printf("invalid port number!\n");
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return -5;
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}
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continue;
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}
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printf("unknown argument %s\n", argv[i]);
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return -6;
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}
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return 0;
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}
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void callback(long tst) {
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printf("in callback, tst=%ld\n", tst);
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}
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int main(int argc, char **argv) {
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int ret;
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if ((ret = parseArgs(&prog_info, argc, argv)) == 0) {
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printf("port: %d\n", prog_info.port);
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if (prog_info.mode == MODE_SERVER) {
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printf("runnin in SERVER mode\n");
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ret = run_server(&prog_info);
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} else {
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printf("running in CLIENT mode, using client number %d\n", prog_info.client_num);
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// ...
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ret = run_client(&prog_info, callback);
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}
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}
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return ret;
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}
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