forked from Mirrors/freeswitch
167 lines
4.0 KiB
C
167 lines
4.0 KiB
C
/* A simple standalone XML-RPC server program based on Abyss.
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You can terminate this server in controlled fashion with a SIGTERM
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signal.
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xmlrpc_sample_add_server.c is a server that does the same thing with
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simpler code, but it is not interruptible with SIGTERM.
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*/
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#define _XOPEN_SOURCE 600
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#include <stdlib.h>
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#include <stdio.h>
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#include <signal.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <xmlrpc-c/base.h>
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#include <xmlrpc-c/abyss.h>
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#include <xmlrpc-c/server.h>
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#include <xmlrpc-c/server_abyss.h>
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#include "config.h" /* information about this build environment */
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static void
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dieIfFailed(const char * const description,
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xmlrpc_env const env) {
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if (env.fault_occurred) {
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fprintf(stderr, "%s failed. %s\n", description, env.fault_string);
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exit(1);
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}
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}
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static xmlrpc_server_abyss_t * serverToTerminateP;
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static void
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sigtermHandler(int const signalClass) {
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xmlrpc_env env;
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xmlrpc_env_init(&env);
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xmlrpc_server_abyss_terminate(&env, serverToTerminateP);
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dieIfFailed("xmlrpc_server_abyss_terminate", env);
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xmlrpc_env_clean(&env);
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}
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static void
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setupSigtermHandler(xmlrpc_server_abyss_t * const serverP) {
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struct sigaction mysigaction;
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serverToTerminateP = serverP;
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sigemptyset(&mysigaction.sa_mask);
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mysigaction.sa_flags = 0;
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mysigaction.sa_handler = sigtermHandler;
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sigaction(SIGTERM, &mysigaction, NULL);
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}
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static void
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restoreSigtermHandler(void){
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struct sigaction mysigaction;
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sigemptyset(&mysigaction.sa_mask);
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mysigaction.sa_flags = 0;
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mysigaction.sa_handler = SIG_DFL;
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sigaction(SIGTERM, &mysigaction, NULL);
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}
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static xmlrpc_value *
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sample_add(xmlrpc_env * const envP,
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xmlrpc_value * const paramArrayP,
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void * const serverInfo,
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void * const channelInfo) {
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xmlrpc_int x, y, z;
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/* Parse our argument array. */
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xmlrpc_decompose_value(envP, paramArrayP, "(ii)", &x, &y);
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if (envP->fault_occurred)
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return NULL;
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/* Add our two numbers. */
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z = x + y;
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/* Return our result. */
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return xmlrpc_build_value(envP, "i", z);
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}
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int
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main(int const argc,
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const char ** const argv) {
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struct xmlrpc_method_info3 const methodInfo = {
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.methodName = "sample.add",
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.methodFunction = &sample_add,
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.serverInfo = NULL
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};
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xmlrpc_server_abyss_parms serverparm;
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xmlrpc_server_abyss_t * serverP;
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xmlrpc_registry * registryP;
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xmlrpc_env env;
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xmlrpc_server_abyss_sig * oldHandlersP;
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if (argc-1 != 1) {
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fprintf(stderr, "You must specify 1 argument: The TCP port number "
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"on which to listen for XML-RPC calls. "
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"You specified %d.\n", argc-1);
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exit(1);
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}
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xmlrpc_env_init(&env);
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xmlrpc_server_abyss_global_init(&env);
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dieIfFailed("xmlrpc_server_abyss_global_init", env);
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registryP = xmlrpc_registry_new(&env);
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dieIfFailed("xmlrpc_registry_new", env);
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xmlrpc_registry_add_method3(&env, registryP, &methodInfo);
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dieIfFailed("xmlrpc_registry_add_method2", env);
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serverparm.config_file_name = NULL;
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serverparm.registryP = registryP;
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serverparm.port_number = atoi(argv[1]);
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xmlrpc_server_abyss_create(&env, &serverparm, XMLRPC_APSIZE(port_number),
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&serverP);
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dieIfFailed("xmlrpc_server_abyss_create", env);
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xmlrpc_server_abyss_setup_sig(&env, serverP, &oldHandlersP);
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dieIfFailed("xmlrpc_server_abyss_setup_sig", env);
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setupSigtermHandler(serverP);
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printf("Running XML-RPC server...\n");
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xmlrpc_server_abyss_run_server(&env, serverP);
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dieIfFailed("xmlrpc_server_abyss_run_server", env);
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printf("Server has terminated\n");
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restoreSigtermHandler();
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xmlrpc_server_abyss_restore_sig(oldHandlersP);
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xmlrpc_server_abyss_destroy(serverP);
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xmlrpc_registry_free(registryP);
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xmlrpc_server_abyss_global_term();
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xmlrpc_env_clean(&env);
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return 0;
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}
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