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libsearpc/searpc-demo-server.c
2011-04-08 20:58:15 +08:00

113 lines
2.8 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "searpc-server.h"
#include "searpc-demo-packet.h"
#define BUFLEN 256
static int
searpc_demo_int__string(const char *str)
{
if (str == NULL)
return -1;
else
return strlen(str);
}
static void
start_rpc_service(void)
{
searpc_server_init();
searpc_server_register_function(searpc_demo_int__string,
"searpc_demo_int__string",
searpc_signature_int__string());
}
int
main(int argc, char *argv[])
{
int listenfd, connfd;
int ret;
struct sockaddr_in client_addr, server_addr;
socklen_t clilen;
char buf[BUFLEN];
packet *pac, *pac_ret;
g_type_init();
start_rpc_service();
listenfd = socket(AF_INET, SOCK_STREAM, 0);
if (listenfd < 0) {
fprintf(stderr, "socket failed: %s\n", strerror(errno));
exit(-1);
}
int on = 1;
if (setsockopt (listenfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0) {
fprintf (stderr, "setsockopt of SO_REUSEADDR error: %s\n", strerror(errno));
exit(-1);
}
memset(&server_addr, 0, sizeof(server_addr));
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = htonl(INADDR_ANY);
server_addr.sin_port = htons(12345);
ret = bind(listenfd, (struct sockaddr *)&server_addr,
sizeof(server_addr));
if (ret < 0) {
fprintf(stderr, "bind failed: %s\n", strerror(errno));
exit(-1);
}
ret = listen(listenfd, 5);
if (ret < 0) {
fprintf(stderr, "listen failed: %s\n", strerror(errno));
exit(-1);
}
while (1) {
clilen = sizeof(client_addr);
connfd = accept(listenfd, (struct sockaddr *)&client_addr, &clilen);
if (connfd < 0) {
fprintf(stderr, "accept failed: %s\n", strerror(errno));
continue;
}
/* read the header packet */
pac = read_packet(connfd, buf);
if (pac == NULL) {
fprintf(stderr, "read packet failed: %s\n", strerror(errno));
exit(-1);
}
gsize ret_len;
int fcall_len = ntohs(pac->length);
/* Execute the RPC function */
char *res = searpc_server_call_function (pac->data, fcall_len, &ret_len);
pac_ret = (packet *)buf;
pac_ret->length = htons((uint16_t)ret_len);
strncpy(pac_ret->data, res, ret_len);
/* send the ret packet */
if (writen (connfd, buf, PACKET_HEADER_LENGTH + ret_len) == -1) {
fprintf (stderr, "write packet failed: %s\n", strerror(errno));
exit(-1);
}
}
return 0;
}