mirror of
https://github.com/haiwen/libsearpc.git
synced 2025-06-24 04:37:04 +00:00
118 lines
2.8 KiB
C
118 lines
2.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <glib-object.h>
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#include "searpc-client.h"
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#include "searpc-demo-packet.h"
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#define BUFLEN 256
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#define MAGIC_STRING "ABCD"
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#ifdef WIN32
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#include <inttypes.h>
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#include <winsock2.h>
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typedef int socklen_t;
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#else
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#endif
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/* define the client-side function */
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SEARPC_CLIENT_DEFUN_INT__STRING(searpc_strlen);
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static char *transport_callback(void *arg, const char *fcall_str,
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size_t fcall_len, size_t *ret_len)
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{
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int fd, ret;
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char buf[BUFLEN];
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packet *pac, *pac_ret;
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fd = (int)(long) arg;
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pac = (packet *)buf;
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/* construct the packet */
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pac->length = htons((uint16_t)fcall_len);
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strncpy(pac->data, fcall_str, fcall_len);
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/* send the packet */
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if ( writen (fd, buf, PACKET_HEADER_LENGTH + fcall_len) == -1) {
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fprintf (stderr, "write failed: %s\n", strerror(errno));
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exit(-1);
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}
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/* read the returned packet */
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pac_ret = read_packet(fd, buf);
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if (pac_ret == NULL) {
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fprintf(stderr, "read packet failed: %s\n", strerror(errno));
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exit(-1);
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}
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*ret_len = ntohs(pac_ret->length);
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return g_strndup(pac_ret->data, *ret_len);
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}
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int
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main(int argc, char *argv[])
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{
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int sockfd, ret;
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char *ret_str;
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struct sockaddr_in servaddr;
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SearpcClient *rpc_client;
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GError *error = NULL;
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g_type_init();
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#ifdef WIN32
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WSADATA wsadata;
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WSAStartup(0x0101, &wsadata);
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#endif
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ret = sockfd = socket(AF_INET, SOCK_STREAM, 0);
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if (ret < 0) {
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fprintf(stderr, "socket failed: %s\n", strerror(errno));
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exit(-1);
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}
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int on = 1;
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if (setsockopt (sockfd, SOL_SOCKET, SO_REUSEADDR, (char*)&on, sizeof(on)) < 0) {
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fprintf (stderr, "setsockopt of SO_REUSEADDR error: %s\n", strerror(errno));
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exit(-1);
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}
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memset(&servaddr, 0, sizeof(servaddr));
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servaddr.sin_family = AF_INET;
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servaddr.sin_port = htons(12345);
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inet_pton(AF_INET, "127.0.0.1", &servaddr.sin_addr);
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ret = connect(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr));
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if (ret < 0) {
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fprintf(stderr, "connect failed: %s\n", strerror(errno));
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exit(-1);
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}
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/* create an rpc_client and supply the transport function. */
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rpc_client = searpc_client_new();
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rpc_client->transport = transport_callback;
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rpc_client->arg = (void *)(long)sockfd;
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/* call the client-side funcion */
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ret = searpc_strlen(rpc_client, "hello searpc", &error);
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if (error != NULL) {
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fprintf(stderr, "error: %s\n", error->message);
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exit(-1);
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} else
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printf("the length of string 'hello searpc' is %d.\n", ret);
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close(sockfd);
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return 0;
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}
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