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libsearpc/demo/searpc-demo-client.c
2012-01-06 12:33:22 +08:00

118 lines
2.8 KiB
C

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